1
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Cuza E, Patriarche G, Serre C, Tissot A. New architecture based on Metal-Organic Frameworks and spin crossover complexes to detect volatile organic compounds. Chemistry 2024:e202400463. [PMID: 38699868 DOI: 10.1002/chem.202400463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 04/12/2024] [Accepted: 05/03/2024] [Indexed: 05/05/2024]
Abstract
We present here the encapsulation of a spin crossover complex C1 [FeII(L)] (L: 4-amino-, 2-(2-pyridinylmethylene)hydrazide) inside MOF-808(Zr), a chemically robust Metal-Organic Framework. The compound C1⊂MOF-808 retains its crystallinity as well as a partial porosity compared to pristine MOF and shows solvatochromism under Volatile Organic compounds (VOCs) sorption associated to a spin state change of the guest complex. More specifically, this compound shows an interesting reversible color change under formaldehyde and formic acid vapor sorption and can therefore be considered as a new kind of optical VOCs chemosensor, opening new doors for developing a broad range of VOCs optical sensors.
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Affiliation(s)
| | | | | | - Antoine Tissot
- Institut des Matériaux Poreux de Paris - UMR 8004 CNRS ENS ESPCI, ENS Département de Chimie, 24 Rue Lhomond, 75005, Paris, FRANCE
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2
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Wen H, Liu Y, Liu S, Peng Z, Wu X, Yuan H, Jiang J, Li B. Heterogeneous Catalysis in Production and Utilization of Formic Acid for Renewable Energy. Small 2024; 20:e2305405. [PMID: 38072804 DOI: 10.1002/smll.202305405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 11/18/2023] [Indexed: 05/03/2024]
Abstract
As the cleanest energy source, hydrogen has been followed with interest by researchers around the world. However, due to the internal low density of hydrogen, it cannot be stored and used efficiently which limits the hydrogen application on a huge scale. Chemical hydrogen storage is considered as a useful method for efficient handling and storage. Due to its excellent safety, formic acid stands out. It is worth noting that the matter and energy conversion is established based on formic acid, which is not referred to in the previous documentation. In this review, the latest development of research on heterogeneous catalysis via production and application of formic acid for energy application is reported. The matter and energy conversion based on formic acid are both discussed systematically. More importantly, with formic acid as the node, biomass energy shows potential to be in a dominant position in the energy conversion process. In addition, the catalytic mechanism is also mentioned. This review can provide the current state in this field and the new inspirations for developing superior catalytic systems.
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Affiliation(s)
- Hao Wen
- College of Chemistry, Zhengzhou University, 100 Science Road, Zhengzhou, 450001, P. R. China
| | - Yanyan Liu
- Institute of Chemical Industry of Forest Products, CAF, National Engineering Lab. for Biomass Chemical Utilization, Nanjing, 210042, P. R. China
- College of Science, Henan Agricultural University, 63 Agriculture Road, Zhengzhou, 450002, P. R. China
| | - Shuling Liu
- College of Chemistry, Zhengzhou University, 100 Science Road, Zhengzhou, 450001, P. R. China
| | - Zhikun Peng
- College of Chemistry, Zhengzhou University, 100 Science Road, Zhengzhou, 450001, P. R. China
| | - Xianli Wu
- College of Chemistry, Zhengzhou University, 100 Science Road, Zhengzhou, 450001, P. R. China
| | - Huiyu Yuan
- School of Materials Science and Engineering, Zhengzhou University, 100 Science Road, Zhengzhou, 450001, P. R. China
| | - Jianchun Jiang
- Institute of Chemical Industry of Forest Products, CAF, National Engineering Lab. for Biomass Chemical Utilization, Nanjing, 210042, P. R. China
| | - Baojun Li
- College of Chemistry, Zhengzhou University, 100 Science Road, Zhengzhou, 450001, P. R. China
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3
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He D, Wang Q, Rong Y, Xin Z, Liu JJ, Li Q, Shen K, Chen Y. Sub-Nanometer Mono-Layered Metal-Organic Frameworks Nanosheets for Simulated Flue Gas Photoreduction. Adv Mater 2024:e2403920. [PMID: 38635463 DOI: 10.1002/adma.202403920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2024] [Revised: 04/09/2024] [Indexed: 04/20/2024]
Abstract
The dilemma between the thickness and accessible active site triggers the design of porous crystalline materials with mono-layered structure for advanced photo-catalysis applications. Here, a kind of sub-nanometer mono-layered nanosheets (Co-MOF MNSs) through the exfoliation of specifically designed Co3 cluster-based metal-organic frameworks (MOFs) is reported. The sub-nanometer thickness and inherent light-sensitivity endow Co-MOF MNSs with fully exposed Janus Co3 sites that can selectively photo-reduce CO2 into formic acid under simulated flue gas. Notably, the production efficiency of formic acid by Co-MOF MNSs (0.85 mmol g-1 h-1) is ≈13 times higher than that of the bulk counterpart (0.065 mmol g-1 h-1) under a simulated flue gas atmosphere, which is the highest in reported works up to date. Theoretical calculations prove that the exposed Janus Co3 sites with simultaneously available sites possess higher activity when compared with single Co site, validating the importance of mono-layered nanosheet morphology. These results may facilitate the development of functional nanosheet materials for CO2 photo-reduction in potential flue gas treatment.
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Affiliation(s)
- Dong He
- Institute of Molecular Engineering and Applied Chemistry, Anhui University of Technology, Ma'anshan, Anhui, 243002, P. R. China
| | - Qian Wang
- Institute of Molecular Engineering and Applied Chemistry, Anhui University of Technology, Ma'anshan, Anhui, 243002, P. R. China
| | - Yan Rong
- Institute of Molecular Engineering and Applied Chemistry, Anhui University of Technology, Ma'anshan, Anhui, 243002, P. R. China
| | - Zhifeng Xin
- Institute of Molecular Engineering and Applied Chemistry, Anhui University of Technology, Ma'anshan, Anhui, 243002, P. R. China
| | - Jing-Jing Liu
- School of Chemistry, South China Normal University, Guangzhou, 510006, P. R. China
| | - Qiang Li
- School of Physics, Southeast University, Nanjing, 21189, China
| | - Kejing Shen
- Institute of Molecular Engineering and Applied Chemistry, Anhui University of Technology, Ma'anshan, Anhui, 243002, P. R. China
| | - Yifa Chen
- School of Chemistry, South China Normal University, Guangzhou, 510006, P. R. China
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Wang H, Zhan W, Jiang S, Deng K, Wang Z, Xu Y, Yu H, Wang L. Heterointerface-Rich Ni 3N/WO 3 Hierarchical Nanoarrays for Efficient Glycerol Oxidation-Assisted Alkaline Hydrogen Evolution. ChemSusChem 2024:e202400624. [PMID: 38616165 DOI: 10.1002/cssc.202400624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 04/12/2024] [Accepted: 04/12/2024] [Indexed: 04/16/2024]
Abstract
Glycerol oxidation-assisted water electrolysis has emerged as a cost-effective way of co-producing green hydrogen and HCOOH. Still, preparing highly selective and stable nickel-based metal electrocatalysts remains a challenge. Herein, heterostructure Ni3N/WO3 nanosheet arrays of bifunctional catalysts with large specific surface areas loaded on nickel foam (denoted as Ni3N/WO3/NF) were synthesized. This catalyst was for glycerol oxidation reaction (GOR) and hydrogen evolution reaction (HER) with excellent catalytic performance, a voltage saving of 267 mV compared to oxygen evolution reaction (OER), and a HER overpotential of 104 mV at 100 mA cm-2. The cell voltage in the assembled GOR//HER hybrid electrolysis system reaches 100 mA cm-2 at 1.50 V, 296 mV lower than the potential required for overall water splitting. This work demonstrates that replacing GOR with OER using a cost-effective and highly active Ni-based bifunctional electrocatalyst can make hybrid water electrolysis an energy-efficient, sustainable, and green strategy for hydrogen production.
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Affiliation(s)
- Hongjing Wang
- State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014, Zhejiang, P.R. China
| | - Wenjie Zhan
- State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014, Zhejiang, P.R. China
| | - Shaojian Jiang
- State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014, Zhejiang, P.R. China
| | - Kai Deng
- State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014, Zhejiang, P.R. China
| | - Ziqiang Wang
- State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014, Zhejiang, P.R. China
| | - You Xu
- State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014, Zhejiang, P.R. China
| | - Hongjie Yu
- State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014, Zhejiang, P.R. China
| | - Liang Wang
- State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014, Zhejiang, P.R. China
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5
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Balasubramanian R, Maprani JJ, Paulson S, Suresh G, Ayyan SM, Vimal Rohan K. Outcome of early emergency intubation and early emergency dialysis in deliberate self-harm with formic acid in a tertiary care center in South India: A retrospective cohort study. Turk J Emerg Med 2024; 24:111-116. [PMID: 38766414 PMCID: PMC11100577 DOI: 10.4103/tjem.tjem_213_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 01/20/2024] [Accepted: 01/21/2024] [Indexed: 05/22/2024] Open
Abstract
OBJECTIVE The objective is to evaluate the outcome of early emergency intubation and early dialysis in formic acid (FA) poisoning and to determine the clinical features associated with its mortality. METHODS It is a retrospective cohort study of 78 patients who presented to the emergency medicine department from July 2008 to June 2015 with alleged history and clinical features of FA poisoning. The outcome of early intubation and early dialysis was studied in terms of 7-day and 30-day mortality. The outcome was compared in severe and not severe groups separately. Severity was graded according to Med-Tu chart used for corrosive poisoning. RESULTS In the severe group (n = 53), early dialysis was done in 15 patients. There was 53% (n = 8) 30-day mortality. In the group where early dialysis was not done there was a significant increase in mortality 92.1% (n = 35). This was statistically significant with a P = 0.003. In a similar fashion 7-day mortality was analyzed in the severe group where mortality was higher when early dialysis was not done. In not severe group early dialysis has minimally decreased the mortality. Early intubation in severe group did not demonstrate any mortality benefit. Patients who were intubated early and not intubated early had equally high mortality. In not severe group, intubation could not make any significant difference in mortality. CONCLUSION In this retrospective study, we observed that early dialysis in the severe group has a better outcome in terms of 7-day and 30-day mortality.
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Affiliation(s)
- Rahul Balasubramanian
- Department of Emergency Medicine, St James Hospital, Chalakudy, Thrissur, Kerala, India
| | - Jobin Jose Maprani
- Department of Emergency Medicine, Amala Institute of Medical Sciences, Thrissur, Kerala, India
| | - Sandra Paulson
- Department of Community Medicine, Amala Institute of Medical Sciences, Thrissur, Kerala, India
| | - G Suresh
- Department of Emergency Medicine, Government Medical College, Kannur, Pariyaram, Kerala, India
| | - S Manu Ayyan
- Department of Emergency Medicine & Trauma, Jawaharlal Institute of Postgraduate Medical Education & Research, Puducherry, India
| | - K Vimal Rohan
- Department of Emergency Medicine, Government Medical College Kannur, Pariyaram, Kerala, India
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Chen W, Chen R, Jiang Y, Wang Y, Zhu Y, Li Y, Li C. In-Induced Electronic Structure Modulations of Bi─O Active Sites for Selective Carbon Dioxide Electroreduction to Liquid Fuel in Strong Acid. Small 2024; 20:e2306795. [PMID: 38095535 DOI: 10.1002/smll.202306795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 10/16/2023] [Indexed: 03/16/2024]
Abstract
The formation of carbonate in neutral/alkaline solutions leads to carbonate crossover, severely reducing carbon dioxide (CO2 ) single pass conversion efficiency (SPCE). Thus, CO2 electrolysis is a prospective route to achieve high CO2 utilization under acidic environment. Bimetallic Bi-based catalysts obtained utilizing metal doping strategies exhibit enhanced CO2 -to-formic acid (HCOOH) selectivity in alkaline/neutral media. However, achieving high HCOOH selectivity remains challenging in acidic media. To this end, Indium (In) doped Bi2O2CO3 via hydrothermal method is prepared for in-situ electroreduction to In-Bi/BiOx nanosheets for acidic CO2 reduction reaction (CO2RR). In doping strategy regulates the electronic structure of Bi, promoting the fast derivatization of Bi2O2CO3 into Bi-O active sites to enhance CO2RR catalytic activity. The optimized Bi2 O2 CO3 -derived catalyst achieves the maximum HCOOH faradaic efficiency (FE) of 96% at 200 mA cm-2 . The SPCE for HCOOH production in acid is up to 36.6%, 2.2-fold higher than the best reported catalysts in alkaline environment. Furthermore, in situ Raman and X-ray photoelectron spectroscopy demonstrate that In-induced electronic structure modulation promotes a rapid structural evolution from nanobulks to Bi/BiOx nanosheets with more active species under acidic CO2 RR, which is a major factor in performance improvement.
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Affiliation(s)
- Wei Chen
- Key Laboratory for Ultrafine Materials of Ministry of Education, Shanghai Engineering Research Center of Hierarchical Nanomaterials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science & Technology, Shanghai, 200237, China
| | - Rongzhen Chen
- Key Laboratory for Ultrafine Materials of Ministry of Education, Shanghai Engineering Research Center of Hierarchical Nanomaterials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science & Technology, Shanghai, 200237, China
| | - Yuhang Jiang
- Key Laboratory for Ultrafine Materials of Ministry of Education, Shanghai Engineering Research Center of Hierarchical Nanomaterials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science & Technology, Shanghai, 200237, China
| | - Yating Wang
- Key Laboratory for Ultrafine Materials of Ministry of Education, Shanghai Engineering Research Center of Hierarchical Nanomaterials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science & Technology, Shanghai, 200237, China
| | - Yihua Zhu
- Key Laboratory for Ultrafine Materials of Ministry of Education, Shanghai Engineering Research Center of Hierarchical Nanomaterials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science & Technology, Shanghai, 200237, China
| | - Yuhang Li
- Key Laboratory for Ultrafine Materials of Ministry of Education, Shanghai Engineering Research Center of Hierarchical Nanomaterials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science & Technology, Shanghai, 200237, China
| | - Chunzhong Li
- Key Laboratory for Ultrafine Materials of Ministry of Education, Shanghai Engineering Research Center of Hierarchical Nanomaterials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science & Technology, Shanghai, 200237, China
- School of Chemical Engineering, East China University of Science & Technology, Shanghai, 200237, China
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7
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He S, Jiang J, Shen YA, Mo L, Bi Y, Wu J, Guo C. Improvement of Solder Joint Shear Strength under Formic Acid Atmosphere at A Low Temperature. Materials (Basel) 2024; 17:1055. [PMID: 38473526 DOI: 10.3390/ma17051055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 02/19/2024] [Accepted: 02/22/2024] [Indexed: 03/14/2024]
Abstract
With the continuous reduction of chip size, fluxless soldering has brought attention to high-density, three-dimensional packaging. Although fluxless soldering technology with formic acid (FA) atmosphere has been presented, few studies have examined the effect of the Pt catalytic, preheating time, and soldering pad on FA soldering for the Sn-58Bi solder. The results have shown that the Pt catalytic can promote oxidation-reduction and the formation of a large pore in the Sn-58Bi/Cu solder joint, which causes a decrease in shear strength. ENIG (electroless nickel immersion gold) improves soldering strength. The shear strength of Sn-58Bi/ENIG increases under the Pt catalytic FA atmosphere process due to the isolation of the Au layer on ENIG. The Au layer protects metal from corrosion and provides a good contact surface for the Sn-58Bi solder. The shear strength of the Sn-58Bi/ENIG joints under a Pt catalytic atmosphere improved by 44.7% compared to using a Cu pad. These findings reveal the improvement of the shear strength of solder joints bonded at low temperatures under the FA atmosphere.
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Affiliation(s)
- Siliang He
- Key Laboratory of Microelectronic Packaging & Assembly Technology of Guangxi Education Department, School of Mechanical & Electrical Engineering, Guilin University of Electronic Technology, Guilin 541004, China
- Institute of Semiconductors, Guangdong Academy of Sciences, Guangzhou 510650, China
| | - Jian Jiang
- Key Laboratory of Microelectronic Packaging & Assembly Technology of Guangxi Education Department, School of Mechanical & Electrical Engineering, Guilin University of Electronic Technology, Guilin 541004, China
| | - Yu-An Shen
- Department of Materials Science and Engineering, Feng Chia University, Taichung 407, Taiwan
| | - Lanqing Mo
- Key Laboratory of Microelectronic Packaging & Assembly Technology of Guangxi Education Department, School of Mechanical & Electrical Engineering, Guilin University of Electronic Technology, Guilin 541004, China
| | - Yuhao Bi
- Key Laboratory of Microelectronic Packaging & Assembly Technology of Guangxi Education Department, School of Mechanical & Electrical Engineering, Guilin University of Electronic Technology, Guilin 541004, China
| | - Junke Wu
- Key Laboratory of Microelectronic Packaging & Assembly Technology of Guangxi Education Department, School of Mechanical & Electrical Engineering, Guilin University of Electronic Technology, Guilin 541004, China
| | - Chan Guo
- Institute of Semiconductors, Guangdong Academy of Sciences, Guangzhou 510650, China
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Wang X, Deng T, Zhou X, Chu L, Zeng X, Zhang S, Guan W, Chen F. A Mixture of Formic Acid, Benzoic Acid, and Essential Oils Enhanced Growth Performance via Modulating Nutrient Uptake, Mitochondrion Metabolism, and Immunomodulation in Weaned Piglets. Antioxidants (Basel) 2024; 13:246. [PMID: 38397844 PMCID: PMC10886008 DOI: 10.3390/antiox13020246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 02/01/2024] [Accepted: 02/06/2024] [Indexed: 02/25/2024] Open
Abstract
This study aimed to evaluate the effects of a complex comprising formic acid, benzoic acid, and essential oils (AO3) on the growth performance of weaned piglets and explore the underlying mechanism. Dietary AO3 supplementation significantly enhanced the average daily gain (ADG) and average daily feed intake (ADFI), while decreasing the feed conversion rate (FCR) and diarrhea rate (p < 0.05). Additionally, AO3 addition altered the fecal microflora composition with increased abundance of f_Prevotellaceae. LPS challenges were further conducted to investigate the detailed mechanism underlying the benefits of AO3 supplementation. The piglets fed with AO3 exhibited a significant increase in villus height and decrease in crypt depth within the jejunum, along with upregulation of ZO-1, occludin, and claudin-1 (p < 0.05) compared with those piglets subjected to LPS. Furthermore, AO3 supplementation significantly ameliorated redox disturbances (T-AOC, SOD, and GSH) and inflammation (TNF-α, IL-1β, IL-6, and IL-12) in both the serum and jejunum of piglets induced by LPS, accompanied by suppressed activation of the MAPK signaling pathway (ERK, JNK, P38) and NF-κB. The LPS challenge downregulated the activation of the AMPK signaling pathway, mRNA levels of electron transport chain complexes, and key enzymes involved in ATP synthesis, which were significantly restored by the AO3 supplementation. Additionally, AO3 supplementation restored the reduced transport of amino acids, glucose, and fatty acids induced by LPS back to the levels observed in the control group. In conclusion, dietary AO3 supplementation positively affected growth performance and gut microbiota composition, also enhancing intestinal barrier integrity, nutrient uptake, and energy metabolism, as well as alleviating oxidative stress and inflammation under LPS stimulation.
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Affiliation(s)
- Xinyu Wang
- State Key Laboratory of Animal Nutrition, Ministry of Agriculture Feed Industry Centre, China Agricultural University, Beijing 100193, China; (X.W.); (X.Z.)
| | - Tanyi Deng
- College of Animal Science and National Engineering Research Center for Pig Breeding Industry, South China Agricultural University, Guangzhou 510642, China; (T.D.); (X.Z.); (L.C.); (S.Z.); (W.G.)
- Guangdong Laboratory of Modern Agriculture in Lingnan, Guangzhou 510642, China
| | - Xuemei Zhou
- College of Animal Science and National Engineering Research Center for Pig Breeding Industry, South China Agricultural University, Guangzhou 510642, China; (T.D.); (X.Z.); (L.C.); (S.Z.); (W.G.)
- Guangdong Laboratory of Modern Agriculture in Lingnan, Guangzhou 510642, China
| | - Licui Chu
- College of Animal Science and National Engineering Research Center for Pig Breeding Industry, South China Agricultural University, Guangzhou 510642, China; (T.D.); (X.Z.); (L.C.); (S.Z.); (W.G.)
- Guangdong Laboratory of Modern Agriculture in Lingnan, Guangzhou 510642, China
| | - Xiangfang Zeng
- State Key Laboratory of Animal Nutrition, Ministry of Agriculture Feed Industry Centre, China Agricultural University, Beijing 100193, China; (X.W.); (X.Z.)
| | - Shihai Zhang
- College of Animal Science and National Engineering Research Center for Pig Breeding Industry, South China Agricultural University, Guangzhou 510642, China; (T.D.); (X.Z.); (L.C.); (S.Z.); (W.G.)
- Guangdong Laboratory of Modern Agriculture in Lingnan, Guangzhou 510642, China
| | - Wutai Guan
- College of Animal Science and National Engineering Research Center for Pig Breeding Industry, South China Agricultural University, Guangzhou 510642, China; (T.D.); (X.Z.); (L.C.); (S.Z.); (W.G.)
- Guangdong Laboratory of Modern Agriculture in Lingnan, Guangzhou 510642, China
| | - Fang Chen
- College of Animal Science and National Engineering Research Center for Pig Breeding Industry, South China Agricultural University, Guangzhou 510642, China; (T.D.); (X.Z.); (L.C.); (S.Z.); (W.G.)
- Guangdong Laboratory of Modern Agriculture in Lingnan, Guangzhou 510642, China
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9
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Bang S, Snoeckx R, Cha MS. Valorization of Glycerol through Plasma-Induced Transformation into Formic Acid. ChemSusChem 2024; 17:e202300925. [PMID: 37811907 DOI: 10.1002/cssc.202300925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 09/28/2023] [Accepted: 10/09/2023] [Indexed: 10/10/2023]
Abstract
To cope with climate change issues, a significant shift is required in worldwide energy sources. Hydrogen and bioenergy are being considered as alternatives toward a carbon neutral society, making formic acid - a hydrogen carrying product of glycerol - of interest for the valorization of glycerol. Here we investigate the plasma-induced transformation of glycerol in an aqueous nanosecond repetitively pulsed discharge reactor. We found that the water content in the aqueous mixture fulfilled a crucial role in both the gas phase (as a source of OH radicals) and the liquid phase (as a promotor of the dissolved OH radical's mobility and reactivity). The formic acid produced was linearly proportional to the specific input energy, and the most cost-effective production of formic acid was found with 10 % v/v glycerol in the aqueous mixture. A plausible reaction pathway was proposed, consisting of the OH radical-driven dehydrogenation and dehydration of glycerol. The results provide a fundamental understanding of plasma-induced transformation of glycerol to formic acid and insights for future practical applications.
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Affiliation(s)
- Seunghwan Bang
- CCRC, Physical Science and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955, Saudi Arabia
| | - Ramses Snoeckx
- CCRC, Physical Science and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955, Saudi Arabia
| | - Min Suk Cha
- CCRC, Physical Science and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955, Saudi Arabia
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10
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Aktary M, Alghamdi HS, Ajeebi AM, AlZahrani AS, Sanhoob MA, Aziz MA, Nasiruzzaman Shaikh M. Hydrogenation of CO 2 into Value-added Chemicals Using Solid-Supported Catalysts. Chem Asian J 2024:e202301007. [PMID: 38311592 DOI: 10.1002/asia.202301007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 01/17/2024] [Accepted: 01/29/2024] [Indexed: 02/06/2024]
Abstract
Reducing CO2 emissions is an urgent global priority. In this context, several mitigation strategies, including CO2 tax and stringent legislation, have been adopted to halt the deterioration of the natural environment. Also, carbon recycling procedures undoubtedly help reduce net emissions into the atmosphere, enhancing sustainability. Utilizing Earth's abundant CO2 to produce high-potential green chemicals and light fuels opens new avenues for the chemical industry. In this context, many attempts have been devoted to converting CO2 as a feedstock into various value-added chemicals, such as CH4 , lower methanol, light olefins, gasoline, and higher hydrocarbons, for numerous applications involving various catalytic reactions. Although several CO2 -conversion methods have been used, including electrochemical, photochemical, and biological approaches, the hydrogenation method allows the reaction to be tuned to produce the targeted compound without significantly altering infrastructure. This review discusses the numerous hydrogenation routes and their challenges, such as catalyst design, operation, and the combined art of structure-activity relationships for the various product formations.
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Affiliation(s)
- Mahbuba Aktary
- Department of Materials Science and Engineering, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia
| | - Huda S Alghamdi
- Interdisciplinary Research Center for Hydrogen Technologies and Carbon Management (IRC-HTCM), King Fahd University of Petroleum and Minerals (KFUPM), Dhahran, 31261, Saudi Arabia
| | - Afnan M Ajeebi
- Interdisciplinary Research Center for Hydrogen Technologies and Carbon Management (IRC-HTCM), King Fahd University of Petroleum and Minerals (KFUPM), Dhahran, 31261, Saudi Arabia
| | - Atif S AlZahrani
- Department of Materials Science and Engineering, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia
- Interdisciplinary Research Center for Renewable Energy and Power Systems (IRC-REPS), King Fahd University of Petroleum and Minerals (KFUPM), Dhahran, 31261, Saudi Arabia
| | - Mohammed A Sanhoob
- Interdisciplinary Research Center for Hydrogen Technologies and Carbon Management (IRC-HTCM), King Fahd University of Petroleum and Minerals (KFUPM), Dhahran, 31261, Saudi Arabia
| | - Md Abdul Aziz
- Interdisciplinary Research Center for Hydrogen Technologies and Carbon Management (IRC-HTCM), King Fahd University of Petroleum and Minerals (KFUPM), Dhahran, 31261, Saudi Arabia
| | - M Nasiruzzaman Shaikh
- Interdisciplinary Research Center for Hydrogen Technologies and Carbon Management (IRC-HTCM), King Fahd University of Petroleum and Minerals (KFUPM), Dhahran, 31261, Saudi Arabia
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11
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Byram PK, Mukherjee M, Rahaman M, Bora H, Kaushal M, Dhara S, Chakravorty N. Bioactive self-assembling silk fibroin-sericin films for skin tissue engineering. Biomed Mater 2024; 19:025009. [PMID: 38194702 DOI: 10.1088/1748-605x/ad1c9d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Accepted: 01/09/2024] [Indexed: 01/11/2024]
Abstract
The quest for an ideal wound dressing material has been a strong motivation for researchers to explore novel biomaterials for this purpose. Such explorations have led to the extensive use of silk fibroin (SF) as a suitable polymer for several applications over the years. Unfortunately, another major silk protein-sericin has not received its due attention yet in spite of having favorable biological properties. In this study, we report an approach of blending SF and silk sericin (SS) without the usage of chemical crosslinkers is made possible by the usage of formic acid which evaporates to induceβ-sheets formation to form cytocompatible films. Raman spectroscopy confirms the presence of SF/SS components in blend and formation ofβ-sheet in films.In situ, gelation kinetics studies were conducted to understand the change in gelation properties with addition of sericin into SF. Methyl thiazolyl tetrazolium and live/dead assays were performed to study cellular attachment, viability and proliferation on SF/SS films. The antibacterial properties of SF/SS films were tested using Gram-negative and Gram-positive bacteria. The re-structured SF/SS films were stable, transparent, show good mechanical properties, antibacterial activity and cytocompatibility, therefore can serve as suitable biomaterial candidates for skin regeneration applications.
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Affiliation(s)
- Prasanna Kumar Byram
- School of Medical Science and Technology, IIT Kharagpur, Kharagpur, West Bengal 721302, India
| | - Mandrita Mukherjee
- School of Medical Science and Technology, IIT Kharagpur, Kharagpur, West Bengal 721302, India
| | - Motiur Rahaman
- School of Medical Science and Technology, IIT Kharagpur, Kharagpur, West Bengal 721302, India
| | - Hema Bora
- School of Medical Science and Technology, IIT Kharagpur, Kharagpur, West Bengal 721302, India
| | - Manish Kaushal
- Department of Chemical Engineering, IIT Kharagpur, Kharagpur, West Bengal 721302, India
| | - Santanu Dhara
- School of Medical Science and Technology, IIT Kharagpur, Kharagpur, West Bengal 721302, India
| | - Nishant Chakravorty
- School of Medical Science and Technology, IIT Kharagpur, Kharagpur, West Bengal 721302, India
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12
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You Y, Chen S, Zhao J, Lin J, Wen D, Sha P, Li L, Bu D, Huang S. Rational Design of S-Scheme Heterojunction toward Efficient Photocatalytic Cellulose Reforming for H 2 and Formic Acid in Pure Water. Adv Mater 2024; 36:e2307962. [PMID: 37805918 DOI: 10.1002/adma.202307962] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 09/28/2023] [Indexed: 10/09/2023]
Abstract
Photocatalytic cellulose reforming usually requires harsh conditions due to its sluggish kinetics. Here, a hollow structural S-scheme heterojunction of ZnSe and oxygen vacancy enriched TiO2 , namely, h-ZnSe/Pt@TiO2 , is designed and fabricated, with which the photocatalytic reforming of cellulose for H2 and formic acid is realized in pure water. H2 and formic acid productivity of 1858 and 372 µmol g-1 h-1 and a steady H2 evolution for 300 h are achieved with α-cellulose. Comparable photocatalytic activity can also be achieved using various cellulose sources. It is experimentally proven that the photogenerated charge transfer follows an S-scheme mechanism, which not only promotes the charge separation but also preserves the higher reductive and oxidative abilities of the ZnSe and TiO2 , respectively. Furthermore, the polyhydroxy species produced during cellulose degradation are favored to adsorb on the oxygen vacancy enriched TiO2 surface, which promotes the photocatalytic reforming process and is accounted to the preservation of formic acid as the major solution-phase product. In addition, sequential reactions of oxidation of aldehydes and elimination of formic acid of the cellulose degradation process are revealed. This work provides a photocatalytic strategy to sustainably produce hydrogen and value-added chemicals from biomass under the most environmentally benign condition, i.e., pure water.
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Affiliation(s)
- Yang You
- School of Materials and Energy, Guangzhou Key Laboratory of Low-Dimensional Materials and Energy Storage Devices, Guangdong University of Technology, Guangzhou, 510006, P. R. China
| | - Shangxian Chen
- School of Materials and Energy, Guangzhou Key Laboratory of Low-Dimensional Materials and Energy Storage Devices, Guangdong University of Technology, Guangzhou, 510006, P. R. China
| | - Jie Zhao
- School of Materials and Energy, Guangzhou Key Laboratory of Low-Dimensional Materials and Energy Storage Devices, Guangdong University of Technology, Guangzhou, 510006, P. R. China
| | - Jianfeng Lin
- School of Materials and Energy, Guangzhou Key Laboratory of Low-Dimensional Materials and Energy Storage Devices, Guangdong University of Technology, Guangzhou, 510006, P. R. China
| | - Donglian Wen
- School of Materials and Energy, Guangzhou Key Laboratory of Low-Dimensional Materials and Energy Storage Devices, Guangdong University of Technology, Guangzhou, 510006, P. R. China
| | - Pengzhan Sha
- School of Materials and Energy, Guangzhou Key Laboratory of Low-Dimensional Materials and Energy Storage Devices, Guangdong University of Technology, Guangzhou, 510006, P. R. China
| | - Libo Li
- School of Chemistry and Chemical Engineering, Guangdong Prov Key Lab Green Chem Prod Technol, South China University of Technology, Guangzhou, 510640, P. R. China
| | - Donglei Bu
- School of Materials and Energy, Guangzhou Key Laboratory of Low-Dimensional Materials and Energy Storage Devices, Guangdong University of Technology, Guangzhou, 510006, P. R. China
| | - Shaoming Huang
- School of Materials and Energy, Guangzhou Key Laboratory of Low-Dimensional Materials and Energy Storage Devices, Guangdong University of Technology, Guangzhou, 510006, P. R. China
- School of Chemistry and Materials Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, China
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13
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Gooding CE, Pinard C, Gries R, Devireddy A, Gries G. Blacklegged ticks, Ixodes scapularis, reduce predation risk by eavesdropping on communication signals of Formica oreas thatching ants. R Soc Open Sci 2024; 11:231355. [PMID: 38179077 PMCID: PMC10762436 DOI: 10.1098/rsos.231355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 12/08/2023] [Indexed: 01/06/2024]
Abstract
Ticks spend most of their life inhabiting leaf litter and detritus where they are protected from sun but preyed upon by ants. Ants secrete chemical communication signals to coordinate group tasks such as nest defence. Ticks that avoid ant semiochemicals-as indicators of ant presence-would reduce predation risk by ants. We tested the hypotheses that: (i) chemical deposits from the thatching ant Formica oreas deter blacklegged ticks, Ixodes scapularis, (ii) deterrent semiochemicals originate from the ants' poison and/or Dufour's gland(s), and (iii) tick-deterrent semiochemicals serve as alarm-recruitment pheromone components in F. oreas. In two-choice olfactometer bioassays, filter paper soiled with ant chemical deposits significantly deterred female and male ticks. Poison and Dufour's gland extracts deterred ticks in combination but not alone. Gas chromatographic-mass spectrometric analyses of gland extracts revealed formic acid as the major constituent in the poison gland and eight hydrocarbons as constituents in the Dufour's gland. Synthetic formic acid and hydrocarbons deterred ticks only when combined. F. oreas workers sprayed both formic acid and hydrocarbons when distressed. A synthetic blend of these compounds elicited alarm-recruitment responses by F. oreas in behavioural bioassays. All results combined indicate that ticks eavesdrop on the ants' communication system.
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Affiliation(s)
- Claire E. Gooding
- Department of Biological Sciences, Simon Fraser University, British Columbia, Canada V5A 1S6
| | - Charlotte Pinard
- Department of Biological Sciences, Simon Fraser University, British Columbia, Canada V5A 1S6
| | - Regine Gries
- Department of Biological Sciences, Simon Fraser University, British Columbia, Canada V5A 1S6
| | - Anand Devireddy
- Department of Biological Sciences, Simon Fraser University, British Columbia, Canada V5A 1S6
| | - Gerhard Gries
- Department of Biological Sciences, Simon Fraser University, British Columbia, Canada V5A 1S6
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14
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Samoylov AN, Barieva AM, Kuznetsova AA. [Pathogenetic basis of optic nerve atrophy in methanol poisoning]. Vestn Oftalmol 2024; 140:91-96. [PMID: 38742504 DOI: 10.17116/oftalma202414002191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
Optic nerve atrophy is a pathomorphological consequence of diseases of the peripheral neuron of the visual pathway, manifested as atrophy of nerve fibers of varying severity. The toxic effect of methanol is mainly associated with formic acid and formaldehyde, which suppress the cytochrome system, inhibit oxidative phosphorylation, and thereby cause a deficiency of adenosine triphosphoric acid, to which brain and retinal tissues are especially susceptible. When formiate accumulates, tissue respiration is disrupted, leading to pronounced tissue hypoxia. As a result of such methanol metabolism, metabolic acidosis occurs. Tissue hypoxia develops in the first few hours as a result of the action of formic acid on the respiratory enzyme chain at the cytochrome oxidase level. Hypoxia and, as a consequence, a decrease in energy supply lead to a disruption of biological oxidation and the development of apoptosis in the optic nerve fibers. Understanding the process of optic nerve atrophy development at the pathogenetic level in methyl alcohol intoxication will help make a correct early diagnosis and prescribe timely treatment.
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Affiliation(s)
| | - A M Barieva
- Kazan State Medical University, Kazan, Russia
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15
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Chi LP, Niu ZZ, Zhang YC, Zhang XL, Liao J, Wu ZZ, Yu PC, Fan MH, Tang KB, Gao MR. Efficient and stable acidic CO 2 electrolysis to formic acid by a reservoir structure design. Proc Natl Acad Sci U S A 2023; 120:e2312876120. [PMID: 38085783 PMCID: PMC10742388 DOI: 10.1073/pnas.2312876120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 10/27/2023] [Indexed: 12/24/2023] Open
Abstract
Electrochemical synthesis of valuable chemicals and feedstocks through carbon dioxide (CO2) reduction in acidic electrolytes can surmount the considerable CO2 loss in alkaline and neutral conditions. However, achieving high productivity, while operating steadily in acidic electrolytes, remains a big challenge owing to the severe competing hydrogen evolution reaction. Here, we show that vertically grown bismuth nanosheets on a gas-diffusion layer can create numerous cavities as electrolyte reservoirs, which confine in situ-generated hydroxide and potassium ions and limit inward proton diffusion, producing locally alkaline environments. Based on this design, we achieve formic acid Faradaic efficiency of 96.3% and partial current density of 471 mA cm-2 at pH 2. When operated in a slim continuous-flow electrolyzer, the system exhibits a full-cell formic acid energy efficiency of 40% and a single pass carbon efficiency of 79% and performs steadily over 50 h. We further demonstrate the production of pure formic acid aqueous solution with a concentration of 4.2 weight %.
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Affiliation(s)
- Li-Ping Chi
- Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China, Hefei230026, China
| | - Zhuang-Zhuang Niu
- Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China, Hefei230026, China
| | - Yu-Cai Zhang
- Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China, Hefei230026, China
| | - Xiao-Long Zhang
- Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China, Hefei230026, China
| | - Jie Liao
- Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China, Hefei230026, China
| | - Zhi-Zheng Wu
- Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China, Hefei230026, China
| | - Peng-Cheng Yu
- Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China, Hefei230026, China
| | - Ming-Hui Fan
- Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China, Hefei230026, China
| | - Kai-Bin Tang
- Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China, Hefei230026, China
| | - Min-Rui Gao
- Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China, Hefei230026, China
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16
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Ai N, Lai C, Hu W, Wang Q, Ren J. Mechanistic Study on the Possibility of Converting Dissociated Oxygen into Formic Acid on χ-Fe 5C 2(510) for Resource Recovery in Fischer-Tropsch Synthesis. Molecules 2023; 28:8117. [PMID: 38138605 PMCID: PMC10745954 DOI: 10.3390/molecules28248117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 11/30/2023] [Accepted: 12/03/2023] [Indexed: 12/24/2023] Open
Abstract
During Fischer-Tropsch synthesis, O atoms are dissociated on the surface of Fe-based catalysts. However, most of the dissociated O would be removed as H2O or CO2, which results in a low atom economy. Hence, a comprehensive study of the O removal pathway as formic acid has been investigated using the combination of density functional theory (DFT) and kinetic Monte Carlo (kMC) to improve the economics of Fischer-Tropsch synthesis on Fe-based catalysts. The results show that the optimal pathway for the removal of dissociated O as formic acid is the OH pathway, of which the effective barrier energy (0.936 eV) is close to that of the CO activation pathway (0.730 eV), meaning that the removal of dissociated O as formic acid is possible. The main factor in an inability to form formic acid is the competition between the formic acid formation pathway and other oxygenated compound formation pathways (H2O, CO2, methanol-formaldehyde); the details are as follows: 1. If the CO is hydrogenated first, then the subsequent reaction would be impossible due to its high effective Gibbs barrier energy. 2. If CO reacts first with O to become CO2, it is difficult for it to be hydrogenated further to become HCOOH because of the low adsorption energy of CO2. 3. When the CO + OH pathway is considered, OH would react easily with H atoms to form H2O due to the hydrogen coverage effect. Finally, the removal of dissociated O to formic acid is proposed via improving the catalyst to increase the CO2 adsorption energy or CO coverage.
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Affiliation(s)
- Ning Ai
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China; (N.A.); (C.L.)
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, China;
- National Demonstration Center for Experimental Chemistry and Chemical Engineering Education, Zhejiang University of Technology, Hangzhou 310014, China;
| | - Changyi Lai
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China; (N.A.); (C.L.)
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, China;
| | - Wanpeng Hu
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, China;
| | - Qining Wang
- National Demonstration Center for Experimental Chemistry and Chemical Engineering Education, Zhejiang University of Technology, Hangzhou 310014, China;
| | - Jie Ren
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, China;
- Key Laboratory for Green Chemical Technology of Ministry of Education, R&D Center for Petrochemical Technology, Tianjin University, Tianjin 300072, China
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17
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Qin ZX, Chen GZ, Bao W, Ma Y, Yang XM, Yi CR, Luo M, Hu J, Liu Z. Magnetic chitin beads (MCB) coated with Vibrio cholerae reveals transcriptome dynamics in adult mice with a complex gut microbiota. Gut Microbes 2023; 15:2274125. [PMID: 37934002 PMCID: PMC10631443 DOI: 10.1080/19490976.2023.2274125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 10/18/2023] [Indexed: 11/08/2023] Open
Abstract
Vibrio cholerae adapts to the host environment by altering gene expression. Because of the complexity of the gut microbiome, current in vivo V. cholerae transcriptome studies have focused on microbiota-undeveloped conditions, neglecting the interaction between the host's commensal gut microbiota and V. cholerae. In this study, we analyzed the transcriptome of fully colonized adult mice in vivo using V. cholerae coated-magnetic chitin beads (vcMCB). This provides a simple yet powerful method for obtaining high-quality RNA from V. cholerae during colonization in mice. The transcriptome of V. cholerae recovered from adult mice infected with vcMCB shows differential expression of several genes when compared to V. cholerae recovered from the infant mouse and infant rabbit model. Some of these genes were also observed to be differentially expressed in previous studies of V. cholera recovered from human infection when compared to V. cholerae grown in vitro. In particular, we confirmed that V. cholerae resists the inhibitory effects of low pH and formic acid from gut microbiota, such as Anaerostipes caccae and Dorea formicigenerans, by downregulating vc1080. We propose that the vc1080 product may protect V. cholerae from formic acid stress through a novel acid tolerance response mechanism. Transcriptomic data obtained using the vcMCB system provide new perspectives on the interaction between V. cholerae and the gut microbiota, and this approach can also be applied to studies of other pathogenic bacteria.
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Affiliation(s)
- Zi-Xin Qin
- Department of Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
| | - Guo-Zhong Chen
- Department of Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
| | - Wei Bao
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
| | - Yao Ma
- Department of Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
| | - Xiao-Man Yang
- Department of Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
| | - Chun-Rong Yi
- Department of Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
| | - Mei Luo
- Department of Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
| | - Jun Hu
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
| | - Zhi Liu
- Department of Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
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18
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Nguyen TL, Peeters J, Müller JF, Perera A, Bross DH, Ruscic B, Stanton JF. Methanediol from cloud-processed formaldehyde is only a minor source of atmospheric formic acid. Proc Natl Acad Sci U S A 2023; 120:e2304650120. [PMID: 37988470 PMCID: PMC10691333 DOI: 10.1073/pnas.2304650120] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 09/07/2023] [Indexed: 11/23/2023] Open
Abstract
Atmospheric formic acid is severely underpredicted by models. A recent study proposed that this discrepancy can be resolved by abundant formic acid production from the reaction (1) between hydroxyl radical and methanediol derived from in-cloud formaldehyde processing and provided a chamber-experiment-derived rate constant, k1 = 7.5 × 10-12 cm3 s-1. High-level accuracy coupled cluster calculations in combination with E,J-resolved two-dimensional master equation analyses yield k1 = (2.4 ± 0.5) × 10-12 cm3 s-1 for relevant atmospheric conditions (T = 260-310 K and P = 0-1 atm). We attribute this significant discrepancy to HCOOH formation from other molecules in the chamber experiments. More importantly, we show that reversible aqueous processes result indirectly in the equilibration on a 10 min. time scale of the gas-phase reaction [Formula: see text] (2) with a HOCH2OH to HCHO ratio of only ca. 2%. Although HOCH2OH outgassing upon cloud evaporation typically increases this ratio by a factor of 1.5-5, as determined by numerical simulations, its in-cloud reprocessing is shown using a global model to strongly limit the gas-phase sink and the resulting production of formic acid. Based on the combined findings in this work, we derive a range of 1.2-8.5 Tg/y for the global HCOOH production from cloud-derived HOCH2OH reacting with OH. The best estimate, 3.3 Tg/y, is about 30 times less than recently reported. The theoretical equilibrium constant Keq (2) determined in this work also allows us to estimate the Henry's law constant of methanediol (8.1 × 105 M atm-1 at 280 K).
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Affiliation(s)
- Thanh Lam Nguyen
- Quantum Theory Project, Department of Chemistry, University of Florida, Gainesville, FL32611
- Quantum Theory Project, Department of Physics, University of Florida, Gainesville, FL32611
| | - Jozef Peeters
- Department of Chemistry, University of Leuven, LeuvenB-3001, Belgium
| | - Jean-François Müller
- Department of Atmospheric Composition, Royal Belgian Institute for Space Aeronomy, BrusselsB-1180, Belgium
| | - Ajith Perera
- Quantum Theory Project, Department of Chemistry, University of Florida, Gainesville, FL32611
- Quantum Theory Project, Department of Physics, University of Florida, Gainesville, FL32611
| | - David H. Bross
- Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, IL60439
| | - Branko Ruscic
- Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, IL60439
| | - John F. Stanton
- Quantum Theory Project, Department of Chemistry, University of Florida, Gainesville, FL32611
- Quantum Theory Project, Department of Physics, University of Florida, Gainesville, FL32611
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Gelman-Tropp S, Kirillov E, Hey-Hawkins E, Gelman D. Hydrogenation of CO 2 by a Bifunctional PC(sp 3 )P Iridium(III) Pincer Complex Equipped with Tertiary Amine as a Functional Group. Chemistry 2023; 29:e202301915. [PMID: 37602815 DOI: 10.1002/chem.202301915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 08/12/2023] [Accepted: 08/16/2023] [Indexed: 08/22/2023]
Abstract
Reversible hydrogen storage in the form of stable and mostly harmless chemical substances such as formic acid (FA) is a cornerstone of a fossil fuels-free economy. In the past, we have reported a primary amine-functionalized bifunctional iridium(III)-PC(sp3 )P pincer complex as a mild and chemoselective catalyst for the additive-free decomposition of neat formic acid. In this manuscript, we report on the successful application of a redesigned complex bearing tertiary amine functionality as a catalyst for mild hydrogenation of CO2 to formic acid. The catalyst demonstrates TON up to 6×104 and TOF up to 1.7×104 h-1 . In addition to the practical value of the catalyst, experimental and computational mechanistic studies provide the rationale for the design of improved next-generation catalysts.
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Affiliation(s)
- Stanislav Gelman-Tropp
- Institute of Chemistry, The Hebrew University, Edmond Safra Campus, Givat Ram, 91904, Jerusalem, Israel
| | - Evgueni Kirillov
- Université de Rennes, CNRS, Institut des Sciences Chimiques de Rennes (ISCR), UMR 6226, 35042, Rennes, France
| | - Evamarie Hey-Hawkins
- Faculty of Chemistry and Mineralogy, Institute of Inorganic Chemistry, Leipzig University, Johannisallee 29, 04103, Leipzig, Germany
| | - Dmitri Gelman
- Institute of Chemistry, The Hebrew University, Edmond Safra Campus, Givat Ram, 91904, Jerusalem, Israel
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20
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Taleb B, Jahjah R, Cornu D, Bechelany M, Al Ajami M, Kataya G, Hijazi A, El-Dakdouki MH. Exploring Hydrogen Sources in Catalytic Transfer Hydrogenation: A Review of Unsaturated Compound Reduction. Molecules 2023; 28:7541. [PMID: 38005261 PMCID: PMC10673347 DOI: 10.3390/molecules28227541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 11/06/2023] [Accepted: 11/07/2023] [Indexed: 11/26/2023] Open
Abstract
Catalytic transfer hydrogenation has emerged as a pivotal chemical process with transformative potential in various industries. This review highlights the significance of catalytic transfer hydrogenation, a reaction that facilitates the transfer of hydrogen from one molecule to another, using a distinct molecule as the hydrogen source in the presence of a catalyst. Unlike conventional direct hydrogenation, catalytic transfer hydrogenation offers numerous advantages, such as enhanced safety, cost-effective hydrogen donors, byproduct recyclability, catalyst accessibility, and the potential for catalytic asymmetric transfer hydrogenation, particularly with chiral ligands. Moreover, the diverse range of hydrogen donor molecules utilized in this reaction have been explored, shedding light on their unique properties and their impact on catalytic systems and the mechanism elucidation of some reactions. Alcohols such as methanol and isopropanol are prominent hydrogen donors, demonstrating remarkable efficacy in various reductions. Formic acid offers irreversible hydrogenation, preventing the occurrence of reverse reactions, and is extensively utilized in chiral compound synthesis. Unconventional donors such as 1,4-cyclohexadiene and glycerol have shown a good efficiency in reducing unsaturated compounds, with glycerol additionally serving as a green solvent in some transformations. The compatibility of these donors with various catalysts, substrates, and reaction conditions were all discussed. Furthermore, this paper outlines future trends which include the utilization of biomass-derived hydrogen donors, the exploration of hydrogen storage materials such as metal-organic frameworks (MOFs), catalyst development for enhanced activity and recyclability, and the utilization of eco-friendly solvents such as glycerol and ionic liquids. Innovative heating methods, diverse base materials, and continued research into catalyst-hydrogen donor interactions are aimed to shape the future of catalytic transfer hydrogenation, enhancing its selectivity and efficiency across various industries and applications.
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Affiliation(s)
- Batoul Taleb
- Platform for Research and Analysis in Environmental Sciences (PRASE), Doctoral School of Science and Technology, Lebanese University, Beirut P.O. Box 6573/14, Lebanon; (B.T.); (R.J.); (M.A.A.); (G.K.); (A.H.)
- Department of Chemistry, Faculty of Science, Beirut Arab University, Debbieh P.O. Box 11-5020, Lebanon
| | - Rabih Jahjah
- Platform for Research and Analysis in Environmental Sciences (PRASE), Doctoral School of Science and Technology, Lebanese University, Beirut P.O. Box 6573/14, Lebanon; (B.T.); (R.J.); (M.A.A.); (G.K.); (A.H.)
| | - David Cornu
- Institut Européen des Membranes (IEM), UMR 5635, University of Montpellier, ENSCM, CNRS, Place Eugène Bataillon, 34095 Montpellier, France;
| | - Mikhael Bechelany
- Institut Européen des Membranes (IEM), UMR 5635, University of Montpellier, ENSCM, CNRS, Place Eugène Bataillon, 34095 Montpellier, France;
- Applied Mathematics and Bioinformatics (CAMB), Gulf University for Science and Technology (GUST), Mubarak Al-Abdullah 32093, Kuwait
| | - Mohamad Al Ajami
- Platform for Research and Analysis in Environmental Sciences (PRASE), Doctoral School of Science and Technology, Lebanese University, Beirut P.O. Box 6573/14, Lebanon; (B.T.); (R.J.); (M.A.A.); (G.K.); (A.H.)
| | - Ghenwa Kataya
- Platform for Research and Analysis in Environmental Sciences (PRASE), Doctoral School of Science and Technology, Lebanese University, Beirut P.O. Box 6573/14, Lebanon; (B.T.); (R.J.); (M.A.A.); (G.K.); (A.H.)
- Institut Européen des Membranes (IEM), UMR 5635, University of Montpellier, ENSCM, CNRS, Place Eugène Bataillon, 34095 Montpellier, France;
| | - Akram Hijazi
- Platform for Research and Analysis in Environmental Sciences (PRASE), Doctoral School of Science and Technology, Lebanese University, Beirut P.O. Box 6573/14, Lebanon; (B.T.); (R.J.); (M.A.A.); (G.K.); (A.H.)
| | - Mohammad H. El-Dakdouki
- Department of Chemistry, Faculty of Science, Beirut Arab University, Debbieh P.O. Box 11-5020, Lebanon
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21
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Fernandes MA, Mota MN, Faria NT, Sá-Correia I. An Evolved Strain of the Oleaginous Yeast Rhodotorula toruloides, Multi-Tolerant to the Major Inhibitors Present in Lignocellulosic Hydrolysates, Exhibits an Altered Cell Envelope. J Fungi (Basel) 2023; 9:1073. [PMID: 37998878 PMCID: PMC10672028 DOI: 10.3390/jof9111073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 10/24/2023] [Accepted: 10/31/2023] [Indexed: 11/25/2023] Open
Abstract
The presence of toxic compounds in lignocellulosic hydrolysates (LCH) is among the main barriers affecting the efficiency of lignocellulose-based fermentation processes, in particular, to produce biofuels, hindering the production of intracellular lipids by oleaginous yeasts. These microbial oils are promising sustainable alternatives to vegetable oils for biodiesel production. In this study, we explored adaptive laboratory evolution (ALE), under methanol- and high glycerol concentration-induced selective pressures, to improve the robustness of a Rhodotorula toruloides strain, previously selected to produce lipids from sugar beet hydrolysates by completely using the major C (carbon) sources present. An evolved strain, multi-tolerant not only to methanol but to four major inhibitors present in LCH (acetic acid, formic acid, hydroxymethylfurfural, and furfural) was isolated and the mechanisms underlying such multi-tolerance were examined, at the cellular envelope level. Results indicate that the evolved multi-tolerant strain has a cell wall that is less susceptible to zymolyase and a decreased permeability, based on the propidium iodide fluorescent probe, in the absence or presence of those inhibitors. The improved performance of this multi-tolerant strain for lipid production from a synthetic lignocellulosic hydrolysate medium, supplemented with those inhibitors, was confirmed.
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Affiliation(s)
- Mónica A. Fernandes
- iBB—Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1, 1049-001 Lisbon, Portugal
- Department of Bioengineering, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1, 1049-001 Lisbon, Portugal
- i4HB—Institute for Health and Bioeconomy, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1, 1049-001 Lisbon, Portugal
| | - Marta N. Mota
- iBB—Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1, 1049-001 Lisbon, Portugal
- Department of Bioengineering, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1, 1049-001 Lisbon, Portugal
- i4HB—Institute for Health and Bioeconomy, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1, 1049-001 Lisbon, Portugal
| | - Nuno T. Faria
- iBB—Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1, 1049-001 Lisbon, Portugal
- Department of Bioengineering, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1, 1049-001 Lisbon, Portugal
- i4HB—Institute for Health and Bioeconomy, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1, 1049-001 Lisbon, Portugal
| | - Isabel Sá-Correia
- iBB—Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1, 1049-001 Lisbon, Portugal
- Department of Bioengineering, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1, 1049-001 Lisbon, Portugal
- i4HB—Institute for Health and Bioeconomy, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1, 1049-001 Lisbon, Portugal
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22
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Jeong S, Ohto T, Nishiuchi T, Nagata Y, Fujita J, Ito Y. Suppression of Methanol and Formate Crossover through Sulfanilic-Functionalized Holey Graphene as Proton Exchange Membranes. Adv Sci (Weinh) 2023; 10:e2304082. [PMID: 37688335 PMCID: PMC10625063 DOI: 10.1002/advs.202304082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 08/04/2023] [Indexed: 09/10/2023]
Abstract
Proton exchange membranes with high proton conductivity and low crossover of fuel molecules are required to realize advanced fuel-cell technology. The selective transportation of protons, which occurs by blocking the transportation of fuel molecules across a proton exchange membrane, is crucial to suppress crossover while maintaining a high proton conductivity. In this study, a simple yet powerful method is proposed for optimizing the crossover-conductivity relationship by pasting sulfanilic-functionalized holey graphenes onto a Nafion membrane. The results show that the sulfanilic-functionalized holey graphenes supported by the membrane suppresses the crossover by 89% in methanol and 80% in formate compared with that in the self-assembled Nafion membrane; an ≈60% reduction is observed in the proton conductivity. This method exhibits the potential for application in advanced fuel cells that use methanol and formic acid as chemical fuels to achieve high energy efficiency.
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Affiliation(s)
- Samuel Jeong
- Institute of Applied PhysicsGraduate School of Pure and Applied SciencesUniversity of Tsukuba1‐1‐1 TennodaiTsukubaIbaraki305‐8571Japan
| | - Tatsuhiko Ohto
- Department of Materials Design Innovation EngineeringNagoya UniversityFuro‐choChikusa‐kuAichi464‐8603Japan
- Graduate School of Engineering ScienceOsaka University1‐3 MachikaneyamaToyonakaOsaka560‐8531Japan
| | - Tomohiko Nishiuchi
- Department of ChemistryGraduate School of ScienceOsaka University1‐1 MachikaneyamaToyonakaOsaka560‐0043Japan
| | - Yuki Nagata
- Max Planck Institute for Polymer ResearchAckermannweg 1055128MainzGermany
| | - Jun‐ichi Fujita
- Institute of Applied PhysicsGraduate School of Pure and Applied SciencesUniversity of Tsukuba1‐1‐1 TennodaiTsukubaIbaraki305‐8571Japan
| | - Yoshikazu Ito
- Institute of Applied PhysicsGraduate School of Pure and Applied SciencesUniversity of Tsukuba1‐1‐1 TennodaiTsukubaIbaraki305‐8571Japan
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23
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Sobhan A, Saedi S, Hoff M, Liang Y, Muthukumarappan K. Evaluation and Improvement of Bio-Based Sustainable Resin Derived from Formic-Acid-Modified Epoxidized Soybean Oil for Packaging Applications. Polymers (Basel) 2023; 15:4255. [PMID: 37959934 PMCID: PMC10650099 DOI: 10.3390/polym15214255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 10/23/2023] [Accepted: 10/27/2023] [Indexed: 11/15/2023] Open
Abstract
Bio-based epoxy resin materials have obtained significant attention in the packaging industry due to concerns about the environmental and economic impacts of traditional petroleum-based plastics. The aim of this research is to improve bio-based resins' properties by investigating varying formic acid contents in the presence of a green catalyst and characterizing their physical, chemical, and mechanical properties for further scaled-up bio-based resin production for industrial packaging applications. The crude soybean oil was epoxidized with formic acid as an oxidizing agent at varying equivalent weights of 10:1 to 10:10 of soybean oil: formic acid in the presence of hydrogen peroxide and choline chloride-oxalic acid as a bi-functional green catalyst. The effect of increasing the amount of formic acid used to epoxidize crude soybean oil was evaluated with infrared (IR) spectroscopy, rheological, and epoxy yield measurements. The results demonstrated that formic acid significantly influenced the epoxidation of soybean oil, leading to a higher conversion of carbon-carbon double bonds, with a selectivity of 98% when the ratio of soybean oil to formic acid was between 10:5 and 10:10. The bio-resin film was formulated using the improved epoxidized soybean oils-from ESO (10:2.5) to ESO (10:10)-and equal amounts of acrylic acid. The results showed that resin films led to an improvement in tensile strength (ca. 180 MPa) and thermal stability at 360 °C. Although further research is necessary, this study provides valuable insights for designing an effective epoxidation process for renewable sources and developing bio-resin materials for future packaging applications.
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24
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Amidi M, Salehi E. Calcined Chitosan/Cellulous Aerogel Modified with Copper Oxide Nanoparticles as an Efficient Sorbent for the Optimized Removal of Formic Acid from Water. ACS Appl Bio Mater 2023; 6:4217-4225. [PMID: 37769283 DOI: 10.1021/acsabm.3c00436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/30/2023]
Abstract
A porous aerogel sorbent was prepared by the carbonization of a biohydrogel consisting of cellulose and chitosan (CS/CE) biopolymers. The adsorbent was also modified with copper oxide nanoparticles to effectively remove formic acid from water in batch mode. Characterization techniques, including scanning electron microscopy, Fourier transform infrared, Brunauer-Emmett-Teller, and X-ray diffraction, were employed to study the prepared sorbents. The concentration of formic acid in the solution was exactly determined by using liquid chromatography. To achieve maximum removal efficiency, important process variables were optimized using a central composite design data-based algorithm. Under optimal conditions, i.e., the initial concentration of 167.98 mg/L, the amount of sorbent equal to 75.28 mg, the contact time of 10.41 min, and the sample volume of 22.56 mL, a maximum acid removal efficiency of 84% was obtained. The Langmuir isotherm model was appropriately fitted to the experimental data, which indicates the chemical interaction of the sorbent active sites with formic acid. An adsorption capacity of 116.28 mg/g was also attained. The adsorption followed a pseudo-second-order kinetic pattern. According to the thermodynamic criteria, the adsorption of formic acid on the copper oxide-modified aerogel was exothermic, entropy-reducing, and favorable at temperatures lower than 290 K. Based on the results, CS/CE hydrogels comprising CuO nanoparticles are promising precursors for synthesizing carbonized aerogel sorbents that are successful in removing formic acid from aqueous environments.
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Affiliation(s)
- Mohammadali Amidi
- Department of Chemical Engineering, Faculty of Engineering, Arak University, Arak 38156-8-8349, Iran
| | - Ehsan Salehi
- Department of Chemical Engineering, Faculty of Engineering, Arak University, Arak 38156-8-8349, Iran
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25
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Nacys A, Simkunaitė D, Balciunaite A, Zabielaite A, Upskuviene D, Levinas R, Jasulaitiene V, Kovalevskij V, Simkunaite-Stanyniene B, Tamasauskaite-Tamasiunaite L, Norkus E. Pt-Coated Ni Layer Supported on Ni Foam for Enhanced Electro-Oxidation of Formic Acid. Materials (Basel) 2023; 16:6427. [PMID: 37834564 PMCID: PMC10573893 DOI: 10.3390/ma16196427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 09/18/2023] [Accepted: 09/25/2023] [Indexed: 10/15/2023]
Abstract
A Pt-coated Ni layer supported on a Ni foam catalyst (denoted PtNi/Nifoam) was investigated for the electro-oxidation of the formic acid (FAO) in acidic media. The prepared PtNi/Nifoam catalyst was studied as a function of the formic acid (FA) concentration at bare Pt and PtNi/Nifoam catalysts. The catalytic activity of the PtNi/Nifoam catalysts, studied on the basis of the ratio of the direct and indirect current peaks (jd)/(jnd) for the FAO reaction, showed values approximately 10 times higher compared to those on bare Pt, particularly at low FA concentrations, reflecting the superiority of the former catalysts for the electro-oxidation of FA to CO2. Ni foams provide a large surface area for the FAO, while synergistic effects between Pt nanoparticles and Ni-oxy species layer on Ni foams contribute significantly to the enhanced electro-oxidation of FA via the direct pathway, making it almost equal to the indirect pathway, particularly at low FA concentrations.
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Affiliation(s)
- Antanas Nacys
- Center for Physical Sciences and Technology (FTMC), LT-10257 Vilnius, Lithuania; (D.S.); (A.B.); (A.Z.); (D.U.); (R.L.); (V.J.); (V.K.); (B.S.-S.); (L.T.-T.)
| | | | | | | | | | | | | | | | | | | | - Eugenijus Norkus
- Center for Physical Sciences and Technology (FTMC), LT-10257 Vilnius, Lithuania; (D.S.); (A.B.); (A.Z.); (D.U.); (R.L.); (V.J.); (V.K.); (B.S.-S.); (L.T.-T.)
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26
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Bernad-Roche M, Marín-Alcalá CM, Vico JP, Mainar-Jaime RC. Salmonella Control in Fattening Pigs through the Use of Esterified Formic Acid in Drinking Water Shortly before Slaughter. Animals (Basel) 2023; 13:2814. [PMID: 37760214 PMCID: PMC10525106 DOI: 10.3390/ani13182814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 08/28/2023] [Accepted: 09/04/2023] [Indexed: 09/29/2023] Open
Abstract
The presence of Salmonella in pig feces is a major source of abattoir and carcass contamination, and one of the main sources of human salmonellosis. This study assessed whether using a form of esterified formic acid (30% formic acid) in drinking water (10 kg/1000 L) 5 days before slaughter could be a helpful strategy to mitigate this public health issue. Thus, 240 pigs from three Salmonella-positive commercial fattening farms were selected. From each farm, 40 pigs were allocated to a control group (CG) and 40 to a treatment group (TG). At the abattoir, fecal samples from both groups were collected for Salmonella detection (ISO 6579-1:2017) and quantification (ISO/TS 6579-2:2012). Salmonella was present in 35% (95% IC = 29.24-41.23) of the samples collected. The prevalence was significantly higher in the CG than in the TG (50% vs. 20%; p < 0.001). In all farms, the TG showed a lower percentage of shedders than the CG. A random-effects logistic model showed that the odds of shedding Salmonella were 5.63 times higher (95% CI = 2.92-10.8) for the CG than for the TG. Thus, the proportion of pigs shedding Salmonella that was prevented in the TG due to the use of this form of organic acid was 82.2%. In addition, a Chi-squared analysis for trends showed that the higher the Salmonella count, the higher the odds of the sample belonging to the CG. These results suggest that adding this type of acid to drinking water 5 days before slaughter could reduce the proportion of Salmonella-shedding pigs and the Salmonella loads in the guts of shedder pigs.
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Affiliation(s)
- María Bernad-Roche
- Departamento de Patología Animal, Facultad de Veterinaria, Instituto Agroalimentario de Aragón-IA2, Universidad de Zaragoza-CITA, 50013 Zaragoza, Spain;
| | - Clara María Marín-Alcalá
- Departamento de Ciencia Animal, Centro de Investigación y Tecnología Agroalimentaria de Aragón, Instituto Agroalimentario de Aragón-IA2, Universidad de Zaragoza-CITA, 50059 Zaragoza, Spain;
| | - Juan Pablo Vico
- IRNASUS-CONICET-Universidad Católica de Córdoba, Facultad de Ciencias Agropecuarias, Universidad Católica de Córdoba, Córdoba 5000, Argentina;
| | - Raúl Carlos Mainar-Jaime
- Departamento de Patología Animal, Facultad de Veterinaria, Instituto Agroalimentario de Aragón-IA2, Universidad de Zaragoza-CITA, 50013 Zaragoza, Spain;
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27
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Liu S, Song L, Liu R, Li L, Yang D, Yuan S, Dai X. Controlled One-Step Synthesis of MOF-on-MOF Cocatalysts for Two-Channel Electrocatalytic Conversion of CO 2 to Formic Acid. Small 2023:e2304808. [PMID: 37501314 DOI: 10.1002/smll.202304808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 07/12/2023] [Indexed: 07/29/2023]
Abstract
The synthesis of efficient and highly selective catalysts and rational reactor design play decisive roles in the industrial application of the electrocatalytic carbon dioxide reduction reaction (CO2 RR). In this study, a dual-metal-organic framework (MOF) copper-based catalytic electrode is designed and prepared in one step by in situ synthesis on a foamed copper substrate. The MOF-on-MOF structure can effectively inhibit the generation of H2 and CO, and further enhance the selectivity of HCOOH. Furthermore, by using cheap and durable poly(tetrafluoroethylene) (PTFE) instead of an expensive and fragile GDE, the optimized reactor design improves the stability and durability of the gas channel and the replaceability of the electrode. The structure-optimized reactor has a maximum Faradaic efficiency of 89.2% in neutral medium, and an average current density of 26.1 mA cm-2 in the flow cell, which has comparable performance to a GDE and can continue to operate stably. The use of PTFE improves the service life of the gas mass transfer channel, and the independent catalytic electrode can provide good catalytic efficiency. These results provide new insights into the reaction mechanism of structurally recombined double MOFs and PTFE-optimized CO2 RR reactor designs, providing technical support for the practical industrial application of the CO2 RR.
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Affiliation(s)
- Shiyu Liu
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China
| | - Liang Song
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China
| | - Rui Liu
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China
| | - Lei Li
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China
| | - Dianhai Yang
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China
| | - Shijie Yuan
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, China
| | - Xiaohu Dai
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, China
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28
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Harkou E, Adamou P, Georgiou K, Hafeez S, Al-Salem SM, Villa A, Manos G, Dimitratos N, Constantinou A. Computational Studies on Microreactors for the Decomposition of Formic Acid for Hydrogen Production Using Heterogeneous Catalysts. Molecules 2023; 28:5399. [PMID: 37513271 PMCID: PMC10383859 DOI: 10.3390/molecules28145399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 07/11/2023] [Accepted: 07/13/2023] [Indexed: 07/30/2023] Open
Abstract
Sustainable alternatives to conventional fuels have emerged recently, focusing on a hydrogen-based economy. The idea of using hydrogen (H2) as an energy carrier is very promising due to its zero-emission properties. The present study investigates the formic acid (FA) decomposition for H2 generation using a commercial 5 wt.% Pd/C catalyst. Three different 2D microreactor configurations (packed bed, single membrane, and double membrane) were studied using computational fluid dynamics (CFD). Parameters such as temperature, porosity, concentration, and flow rate of reactant were investigated. The packed bed configuration resulted in high conversions, but due to catalyst poisoning by carbon monoxide (CO), the catalytic activity decreased with time. For the single and double membrane microreactors, the same trends were observed, but the double membrane microreactor showed superior performance compared with the other configurations. Conversions higher than 80% were achieved, and even though deactivation decreased the conversion after 1 h of reaction, the selective removal of CO from the system with the use of membranes lead to an increase in the conversion afterwards. These results prove that the incorporation of membranes in the system for the separation of CO is improving the efficiency of the microreactor.
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Affiliation(s)
- Eleana Harkou
- Department of Chemical Engineering, Cyprus University of Technology, 57 Corner of Athinon and Anexartisias, Limassol 3036, Cyprus
| | - Panayiota Adamou
- Department of Chemical Engineering, Cyprus University of Technology, 57 Corner of Athinon and Anexartisias, Limassol 3036, Cyprus
| | - Kyproula Georgiou
- Department of Chemical Engineering, Cyprus University of Technology, 57 Corner of Athinon and Anexartisias, Limassol 3036, Cyprus
| | - Sanaa Hafeez
- School of Engineering and Materials Science, Queen Mary University of London, London E14NS, UK
| | - Sultan M Al-Salem
- Environmental & Life Sciences Research Centre, Kuwait Institute for Scientific Research, P.O. Box 24885, Safat 13109, Kuwait
| | - Alberto Villa
- Dipartimento di Chimica, Universitá degli Studi di Milano, via Golgi, 20133 Milan, Italy
| | - George Manos
- Department of Chemical Engineering, University College London, London WCIE7JE, UK
| | - Nikolaos Dimitratos
- Dipartimento di Chimica Industriale "Toso Montanari", Alma Mater Studiorum Università di Bologna, Viale Risorgimento 4, 40136 Bologna, Italy
- Center for Chemical Catalysis-C3, Alma Mater Studiorum Università di Bologna, Viale Risorgimento 4, 40136 Bologna, Italy
| | - Achilleas Constantinou
- Department of Chemical Engineering, Cyprus University of Technology, 57 Corner of Athinon and Anexartisias, Limassol 3036, Cyprus
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29
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Chowdhury R, Young K, Poche T, Jang S. Effect of dual sintering with laser irradiation and thermal treatment on printed copper nanoparticle patterns. Nanotechnology 2023. [PMID: 37437557 DOI: 10.1088/1361-6528/ace6a5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/14/2023]
Abstract
The dual sintering of copper (Cu) nanoparticles (NPs) was introduced to produce conductive patterns suitable for flexible electronics applications. In this method, laser irradiation using a Nd:YAG laser with a wavelength of 1064 nm was performed at laser powers of 400, 600, and 800 mJ. The laser irradiation time was 15 and 30 s for each laser power. After laser irradiation, all of the Cu NP patterns were thermally sintered under formic acid (FA) vapors. The temperature and time for thermal sintering were selected as 260 °C and 15 min, respectively. The resultant physical, chemical, electrical and mechanical properties were evaluated and compared considering the six different dual sintering conditions. The Cu NP patterns sintered using 800 mJ for 30 s showed increased necking and coalescence compared to the other patterns and featured a microstructure with increased density. Despite being oxidized, the Cu NP patterns sintered with 800 mJ for 30 s showed the lowest electrical resistivity of 11.25 μΩ·cm. The surface of every sintered Cu pattern was oxidized, and mechanical hardness increased with increasing laser power. The Cu NP pattern sintered with 800 mJ for 30 s demonstrated the highest hardness of 48.64 N/mm2. After sintering using the six different conditions, the Cu NP patterns exhibited a weight loss of 0.02-3.87 wt%, and their roughness varied in the range of 26.15-74.08 nm. This can be attributed to the effective removal of organic residues and the degree of particle agglomeration. After performing folding tests up to 50 cycles, Cu NP patterns showed an upward trend in resistance with increasing laser power and time. The highest and lowest resistance ratios were observed as 3.97 and 17.24 for the patterns sintered at 400 mJ for 15 s and 800 mJ for 30 s, respectively.
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Affiliation(s)
- Rajib Chowdhury
- University of Louisiana at Lafayette, 241 E Lewis St, Lafayette, Louisiana, 70503-2014, UNITED STATES
| | - Karl Young
- University of Louisiana at Lafayette, 241 E Lewis St, Lafayette, Louisiana, 70503-2014, UNITED STATES
| | - Thomas Poche
- University of Louisiana at Lafayette, 241 E Lewis St, Lafayette, Louisiana, 70503-2014, UNITED STATES
| | - Seonhee Jang
- Department of Mechanical Engineering, University of Louisiana at Lafayette, 241 E Lewis St, Lafayette, Louisiana, 70503-2014, UNITED STATES
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30
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Penchev H, Abdelhamid AE, Ali EA, Budurova D, Grancharov G, Ublekov F, Koseva N, Zaharieva K, El-Sayed AA, Khalil AM. Novel Electrospun Composite Membranes Based on Polyhydroxybutyrate and Poly(vinyl formate) Loaded with Protonated Montmorillonite for Organic Dye Removal: Kinetic and Isotherm Studies. Membranes (Basel) 2023; 13:582. [PMID: 37367786 DOI: 10.3390/membranes13060582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 05/28/2023] [Accepted: 05/31/2023] [Indexed: 06/28/2023]
Abstract
The use of biodegradable polyesters derived from green sources and their combination with natural abundantly layered aluminosilicate clay, e.g., natural montmorillonite, meets the requirements for the development of new sustainable, disposable, and biodegradable organic dye sorbent materials. In this regard, novel electrospun composite fibers, based on poly β-hydroxybutyrate (PHB) and in situ synthesized poly(vinyl formate) (PVF), loaded with protonated montmorillonite (MMT-H) were prepared via electrospinning in the presence of formic acid, a volatile solvent for polymers and a protonating agent for the pristine MMT-Na. The morphology and structure of electrospun composite fibers were investigated through SEM, TEM, AFM, FT-IR, and XRD analyses. The contact angle (CA) measurements showed increased hydrophilicity of the composite fibers incorporated with MMT-H. The electrospun fibrous mats were evaluated as membranes for removing cationic (methylene blue) and anionic (Congo red) dyes. PHB/MMT 20% and PVF/MMT 30% showed significant performance in dye removal compared with the other matrices. PHB/MMT 20% was the best electrospun mat for adsorbing Congo red. The PVF/MMT 30% fibrous membrane exhibited the optimum activity for the adsorption of methylene blue and Congo red dyes.
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Affiliation(s)
- Hristo Penchev
- Institute of Polymers, Bulgarian Academy of Sciences, Acad. G. Bonchev 103A, 1113 Sofia, Bulgaria
| | - Ahmed E Abdelhamid
- Polymers and Pigments Department, National Research Centre, El-Buhouth Str., Giza 12622, Egypt
| | - Eman A Ali
- Polymers and Pigments Department, National Research Centre, El-Buhouth Str., Giza 12622, Egypt
| | - Dessislava Budurova
- Institute of Polymers, Bulgarian Academy of Sciences, Acad. G. Bonchev 103A, 1113 Sofia, Bulgaria
| | - Georgy Grancharov
- Institute of Polymers, Bulgarian Academy of Sciences, Acad. G. Bonchev 103A, 1113 Sofia, Bulgaria
| | - Filip Ublekov
- Institute of Polymers, Bulgarian Academy of Sciences, Acad. G. Bonchev 103A, 1113 Sofia, Bulgaria
| | - Neli Koseva
- Institute of Polymers, Bulgarian Academy of Sciences, Acad. G. Bonchev 103A, 1113 Sofia, Bulgaria
| | - Katerina Zaharieva
- Institute of Mineralogy and Crystallography Acad. I. Kostov, Bulgarian Academy of Sciences, Acad. G. Bonchev 107, 1113 Sofia, Bulgaria
| | - Ahmed A El-Sayed
- Photochemistry Department, National Research Centre, El-Buhouth Str., Giza 12622, Egypt
| | - Ahmed M Khalil
- Photochemistry Department, National Research Centre, El-Buhouth Str., Giza 12622, Egypt
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31
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Yan T, Pan H, Liu Z, Kang P. Phase-Inversion Induced 3D Electrode for Direct Acidic Electroreduction CO 2 to Formic acid. Small 2023; 19:e2207650. [PMID: 36890777 DOI: 10.1002/smll.202207650] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 02/10/2023] [Indexed: 06/08/2023]
Abstract
Direct electrochemical CO2 reduction to formic acid (FA) instead of formate is a challenging task due to the high acidity of FA and competitive hydrogen evolution reaction. Herein, 3D porous electrode (TDPE) is prepared by a simple phase inversion method, which can electrochemically reduce CO2 to FA in acidic conditions. Owing to interconnected channels, high porosity, and appropriate wettability, TDPE not only improves mass transport, but also realizes pH gradient to build higher local pH micro-environment under acidic conditions for CO2 reduction compared with planar electrode and gas diffusion electrode. Kinetic isotopic effect experiments demonstrate that the proton transfer becomes the rate-determining step at the pH of 1.8; however, not significant in neutral solution, suggesting that the proton is aiding the overall kinetics. Maximum FA Faradaic efficiency of 89.2% has been reached at pH 2.7 in a flow cell, generating FA concentration of 0.1 m. Integrating catalyst and gas-liquid partition layer into a single electrode structure by phase inversion method paves a facile avenue for direct production of FA by electrochemical CO2 reduction.
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Affiliation(s)
- Tao Yan
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, P. R. China
| | - Hui Pan
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, P. R. China
| | - Zhikun Liu
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, P. R. China
| | - Peng Kang
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, P. R. China
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32
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Zhang Y, Zhu H, Guo J, Liu W, Qi J, Qingqing G, Li B, Ning P. Resource degradation of pharmacy sludge in sub-supercritical system with high degradation rate of 99% and formic acid yield of 32.44. Environ Technol 2023; 44:2184-2199. [PMID: 34967700 DOI: 10.1080/09593330.2021.2024887] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Accepted: 12/11/2021] [Indexed: 05/30/2023]
Abstract
In response to the social goal of 'carbon peak and carbon neutral' in the 14th Five-Year Plan of China, this article used Enrofloxacin (ENR), a common antibiotic, as a model compound to study the method of efficiently degrading pharmaceutical sludge and simultaneously producing Formic Acid (FA), hydrogen storage energy, in a sub-supercritical system. The Ni/SnO2 bimetallic catalyst, which was prepared by the equal volume impregnation method, was used for the liquid phase catalysis. As shown by the results, when the reaction temperature was 330°C, and the addition amount of H2O2 was 0.38 mL, the degradation rate of antibiotics could reach 99% after the reaction proceeded for 6 h. In terms of the resource utilization, the yield of FA could reach up to 32.44%. The resource utilization efficiency with Ni/SnO2 catalyst in sub-/supercritical reaction was about 2.5 times higher than that without catalyst. The kinetic reaction model was established to explore the reaction rate of the antibiotic degradation process. In addition, the Ea and the frequency factor of the reaction were 6455 J/mol and 5.78, respectively. As shown by characterization, the prepared Ni/SnO2 bimetallic catalyst had good activity and has already passed repeated stability experiments. In short, this method has broad application prospects in antibiotic catalysis and resource degradation.
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Affiliation(s)
- Yuwei Zhang
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, People's Republic of China
- National-Regional Engineering Center for Recovery of Waste Gases from Metallurgical and Chemical Industries, Kunming, People's Republic of China
| | - Hengxi Zhu
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, People's Republic of China
- National-Regional Engineering Center for Recovery of Waste Gases from Metallurgical and Chemical Industries, Kunming, People's Republic of China
| | - Junjiang Guo
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, People's Republic of China
- National-Regional Engineering Center for Recovery of Waste Gases from Metallurgical and Chemical Industries, Kunming, People's Republic of China
| | - Weizhen Liu
- School of Environment and Energy, Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, South China University of Technology, Guangzhou, Guangdong, People's Republic of China
| | - Jiang Qi
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, People's Republic of China
- National-Regional Engineering Center for Recovery of Waste Gases from Metallurgical and Chemical Industries, Kunming, People's Republic of China
| | - Guan Qingqing
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, People's Republic of China
| | - Bin Li
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, People's Republic of China
- National-Regional Engineering Center for Recovery of Waste Gases from Metallurgical and Chemical Industries, Kunming, People's Republic of China
| | - Ping Ning
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, People's Republic of China
- National-Regional Engineering Center for Recovery of Waste Gases from Metallurgical and Chemical Industries, Kunming, People's Republic of China
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Dong D, Yan W, Tao Y, Liu Y, Lu Y, Pan Z. Preparation and Photocatalytic Performance of MoS 2/MoO 2 Composite Catalyst. Materials (Basel) 2023; 16:ma16114030. [PMID: 37297164 DOI: 10.3390/ma16114030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 05/23/2023] [Accepted: 05/26/2023] [Indexed: 06/12/2023]
Abstract
Solar energy is an inexhaustible clean energy providing a key solution to the dual challenges of energy and environmental crises. Graphite-like layered molybdenum disulfide (MoS2) is a promising photocatalytic material with three different crystal structures, 1T, 2H and 3R, each with distinct photoelectric properties. In this paper, 1T-MoS2 and 2H-MoS2, which are widely used in photocatalytic hydrogen evolution, were combined with MoO2 to form composite catalysts using a bottom-up one-step hydrothermal method. The microstructure and morphology of the composite catalysts were studied by XRD, SEM, BET, XPS and EIS. The prepared catalysts were used in the photocatalytic hydrogen evolution of formic acid. The results show that MoS2/MoO2 composite catalysts have an excellent catalytic effect on hydrogen evolution from formic acid. By analyzing the photocatalytic hydrogen production performance of composite catalysts, it suggests that the properties of MoS2 composite catalysts with different polymorphs are distinct, and different content of MoO2 also bring differences. Among the composite catalysts, 2H-MoS2/MoO2 composite catalysts with 48% MoO2 content show the best performance. The hydrogen yield is 960 µmol/h, which is 1.2 times pure 2H-MoS2 and two times pure MoO2. The hydrogen selectivity reaches 75%, which is 22% times higher than that of pure 2H-MoS2 and 30% higher than that of MoO2. The excellent performance of the 2H-MoS2/MoO2 composite catalyst is mainly due to the formation of the heterogeneous structure between MoS2 and MoO2, which improves the migration of photogenerated carriers and reduces the possibilities of recombination through the internal electric field. MoS2/MoO2 composite catalyst provides a cheap and efficient solution for photocatalytic hydrogen production from formic acid.
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Affiliation(s)
- Daoyu Dong
- College of Materials Science and Engineering, Nanjing Tech University, Nanjing 211800, China
| | - Weitao Yan
- College of Materials Science and Engineering, Nanjing Tech University, Nanjing 211800, China
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing 211800, China
| | - Yaqiu Tao
- College of Materials Science and Engineering, Nanjing Tech University, Nanjing 211800, China
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing 211800, China
| | - Yunfei Liu
- College of Materials Science and Engineering, Nanjing Tech University, Nanjing 211800, China
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing 211800, China
| | - Yinong Lu
- College of Materials Science and Engineering, Nanjing Tech University, Nanjing 211800, China
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing 211800, China
| | - Zhigang Pan
- College of Materials Science and Engineering, Nanjing Tech University, Nanjing 211800, China
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing 211800, China
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Tang W, Zhang L, Qiu T, Tan H, Wang Y, Liu W, Li Y. Efficient Conversion of Biomass to Formic Acid Coupled with Low Energy Consumption Hydrogen Production from Water Electrolysis. Angew Chem Int Ed Engl 2023:e202305843. [PMID: 37232089 DOI: 10.1002/anie.202305843] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 05/14/2023] [Accepted: 05/24/2023] [Indexed: 05/27/2023]
Abstract
The development of a new electrolytic water hydrogen production coupling system is the key to realize efficient and low-cost hydrogen production and promote its practical application. Herein, a green and efficient electrocatalytic biomass to formic acid (FA) coupled hydrogen production system has been developed. In such system, carbohydrates such as glucose are oxidized to FA using polyoxometalates (POMs) as the redox anolyte, while H2 is evolved continuously at the cathode. Among them, the yield of glucose to FA is as high as 62.5%, and FA is the only liquid-product. Furthermore, the system requires only 1.22 V to drive a current density of 50 mA·cm-2, and the Faraday efficiency of hydrogen production is close to 100%. Its electrical consumption is only 2.9 kWh·Nm-3(H2), which is only 69% of that of traditional electrolytic water. This work opens up a promising direction for the low-cost hydrogen production coupled with efficient biomass conversion.
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Affiliation(s)
- Wensi Tang
- Northeast Normal University, Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry, CHINA
| | - Lunan Zhang
- Yangzhou University, School of Chemistry and Chemical Engineering, CHINA
| | - Tianyu Qiu
- Northeast Normal University, Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry, CHINA
| | - Huaqiao Tan
- Northeast Normal University, Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry, CHINA
| | - Yonghui Wang
- Northeast Normal University, Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry, CHINA
| | - Wei Liu
- Central South University, School of Chemistry and Chemical Engineering, CHINA
| | - Yangguang Li
- Northeast Normal University, Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry, Renmin Street No. 5268, 130024, Changchun, CHINA
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35
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Gkatziouras C, Solakidou M, Louloudi M. Efficient [Fe-Imidazole@SiO 2] Nanohybrids for Catalytic H 2 Production from Formic Acid. Nanomaterials (Basel) 2023; 13:nano13101670. [PMID: 37242086 DOI: 10.3390/nano13101670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 05/14/2023] [Accepted: 05/16/2023] [Indexed: 05/28/2023]
Abstract
Three imidazole-based hybrid materials, coded as IGOPS, IPS and impyridine@SiO2 nanohybrids, were prepared via the covalent immobilization of N-ligands onto a mesoporous nano-SiO2 matrix for H2 generation from formic acid (FA). BET and HRTEM demonstrated that the immobilization of the imidazole derivative onto SiO2 has a significant effect on the SSA, average pore volume, and particle size distribution. In the context of FA dehydrogenation, their catalytic activity (TONs, TOFs), stability, and reusability were assessed. Additionally, the homologous homogeneous counterparts were evaluated for comparison purposes. Mapping the redox potential of solution Eh vs. SHE revealed that poly-phosphine PP3 plays an essential role in FA dehydrogenation. On the basis of performance and stability, [Fe2+/IGOPS/PP3] demonstrated superior activity compared to other heterogeneous catalysts, producing 9.82 L of gases (VH2 + CO2) with TONs = 31,778, albeit with low recyclability. In contrast, [Fe2+/IPS/PP3] showed the highest stability, retaining considerable performance after three consecutive uses. With VH2 + CO2 = 7.8 L, [Fe2+/impyridine@SiO2/PP3] activity decreased, and it was no longer recyclable. However, the homogeneous equivalent of [Fe2+/impyridine/PP3] was completely inactive. Raman, FT/IR, and UV/Vis spectroscopy demonstrated that the reduced recyclability of [Fe2+/IGOPS/PP3] and [Fe2+/impyridine@SiO2/PP3] nanohybrids is due to the reductive cleavage of their C-O-C bonds during catalysis. An alternative grafting procedure is proposed, applying here to the grafting of IPS, resulting in its higher stability. The accumulation of water derived from substrate's feeding causes the inhibition of catalysis. In the case of [Fe2+-imidazole@SiO2] nanohybrids, simple washing and drying result in their re-activation, overcoming the water inhibition. Thus, the low-cost imidazole-based nanohybrids IGOPS and IPS are capable of forming [Fe2+/IGOPS/PP3] and [Fe2+/IPS/PP3] heterogeneous catalytic systems with high stability and performance for FA dehydrogenation.
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Affiliation(s)
- Christos Gkatziouras
- Laboratory of Biomimetic Catalysis & Hybrid Materials, Department of Chemistry, University of Ioannina, 45110 Ioannina, Greece
| | - Maria Solakidou
- Laboratory of Biomimetic Catalysis & Hybrid Materials, Department of Chemistry, University of Ioannina, 45110 Ioannina, Greece
| | - Maria Louloudi
- Laboratory of Biomimetic Catalysis & Hybrid Materials, Department of Chemistry, University of Ioannina, 45110 Ioannina, Greece
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36
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Feng KW, Li Y. Hydrogen Production from Formic Acid by In Situ Generated Ni/CdS Photocatalytic System under Visible Light Irradiation. ChemSusChem 2023; 16:e202202250. [PMID: 36705939 DOI: 10.1002/cssc.202202250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/27/2023] [Accepted: 01/27/2023] [Indexed: 05/06/2023]
Abstract
Simple and practical noble-metal-free catalyzed hydrogen production from sustainable resources, such as renewable formic acid, is highly desirable. Herein, the development of an efficient photocatalytic hydrogen production from aqueous solution of formic acid using in situ generated Ni/CdS photocatalytic system was described. CdS-Cys (Cys=l-cysteine) quantum dots (QDs) acting as photocatalyst with Ni(OAc)2 as H2 production catalyst precursor, a 94 % yield was obtained within 5 h under visible light irradiation at 50 °C. The average rate of H2 production reached up to 282 μmol mg-1 h-1 with 99.8 % H2 selectivity. Mechanistic studies indicate cooperation of dynamic quenching and static quenching of CdS-Cys QDs by Ni(OAc)2 . Especially, Ni0 , generated in the dynamic quenching, accelerated the electron transfer by acting as an electron outlet and enhancing the stability of CdS to slow down the photocorrosion distinctly, delivering efficient H2 production with high selectivity. Our study will inspire exploration of various efficient non-noble-metal catalysts for practical H2 production from bio-based formic acid.
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Affiliation(s)
- Kai-Wen Feng
- State Key Laboratory of Multiphase Flow in Power Engineering and Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710054, Shaanxi, P. R. China
| | - Yang Li
- State Key Laboratory of Multiphase Flow in Power Engineering and Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710054, Shaanxi, P. R. China
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37
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Strijevskaya A, Yamaguchi A, Shoji S, Ueda S, Hashimoto A, Wen Y, Wardhana AC, Lee JE, Liu M, Abe H, Miyauchi M. Nanophase-Separated Copper-Zirconia Composites for Bifunctional Electrochemical CO 2 Conversion to Formic Acid. ACS Appl Mater Interfaces 2023; 15:23299-23305. [PMID: 37140359 DOI: 10.1021/acsami.3c02874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
A copper-zirconia composite having an evenly distributed lamellar texture, Cu#ZrO2, was synthesized by promoting nanophase separation of the Cu51Zr14 alloy precursor in a mixture of carbon monoxide (CO) and oxygen (O2). High-resolution electron microscopy revealed that the material consists of interchangeable Cu and t-ZrO2 phases with an average thickness of 5 nm. Cu#ZrO2 exhibited enhanced selectivity toward the generation of formic acid (HCOOH) by electrochemical reduction of carbon dioxide (CO2) in aqueous media at a Faradaic efficiency of 83.5% at -0.9 V versus the reversible hydrogen electrode. In situ Raman spectroscopy has revealed that a bifunctional interplay between the Zr4+ sites and the Cu boundary leads to amended reaction selectivity along with a large number of catalytic sites.
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Affiliation(s)
- Anna Strijevskaya
- Department of Materials Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, Meguro, Tokyo, 152-8552, Japan
- Uzbek-Japan Innovation Center of Youth, Tashkent 100095, Uzbekistan
| | - Akira Yamaguchi
- Department of Materials Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, Meguro, Tokyo, 152-8552, Japan
| | - Shusaku Shoji
- Department of Materials Science & Engineering, Cornell University, Ithaca, New York, 14853-1501, United States
| | - Shigenori Ueda
- National Institute for Materials Science, Tsukuba, Ibaraki, 305-0044, Japan
| | - Ayako Hashimoto
- National Institute for Materials Science, Tsukuba, Ibaraki, 305-0044, Japan
- Graduate School of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Ibaraki, 305-8571, Japan
| | - Yu Wen
- National Institute for Materials Science, Tsukuba, Ibaraki, 305-0044, Japan
- Graduate School of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Ibaraki, 305-8571, Japan
| | - Aufandra Cakra Wardhana
- Department of Materials Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, Meguro, Tokyo, 152-8552, Japan
| | - Ji-Eun Lee
- Biofunctional Catalyst Research Team, RIKEN Center for Sustainable Resource Science, Wako, Saitama, 351-0198, Japan
| | - Min Liu
- Hunan Joint International Research Center for Carbon Dioxide Resource Utilization, School of Physical and Electronics, Central South University, Changsha 410083, Public Republic of China
| | - Hideki Abe
- National Institute for Materials Science, Tsukuba, Ibaraki, 305-0044, Japan
- Graduate School of Science and Technology, Saitama University, Saitama 338-8570, Japan
| | - Masahiro Miyauchi
- Department of Materials Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, Meguro, Tokyo, 152-8552, Japan
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38
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Chen M, Wang Y, Jiang L, Cheng Y, Liu Y, Wei Z. Highly Efficient Selective Hydrogenation of Cinnamaldehyde to Cinnamyl Alcohol over CoRe/TiO 2 Catalyst. Molecules 2023; 28:molecules28083336. [PMID: 37110570 PMCID: PMC10142762 DOI: 10.3390/molecules28083336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 04/06/2023] [Accepted: 04/07/2023] [Indexed: 04/29/2023] Open
Abstract
Allylic alcohols typically produced through selective hydrogenation of α,β-unsaturated aldehydes are important intermediates in fine chemical industry, but it is still a challenge to achieve its high selectivity transformation. Herein, we report a series of TiO2-supported CoRe bimetallic catalysts for the selective hydrogenation of cinnamaldehyde (CAL) to cinnamyl alcohol (COL) using formic acid (FA) as a hydrogen donor. The resultant catalyst with the optimized Co/Re ratio of 1:1 can achieve an exceptional COL selectivity of 89% with a CAL conversion of 99% under mild conditions of 140 °C for 4 h, and the catalyst can be reused four times without loss of activity. Meanwhile, the Co1Re1/TiO2/FA system was efficient for the selective hydrogenation of various α,β-unsaturated aldehydes to the corresponding α,β-unsaturated alcohols. The presence of ReOx on the Co1Re1/TiO2 catalyst surface was advantageous to the adsorption of C=O, and the ultrafine Co nanoparticles provided abundant hydrogenation active sites for the selective hydrogenation. Moreover, FA as a hydrogen donor improved the selectivity to α,β-unsaturated alcohols.
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Affiliation(s)
- Mengting Chen
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014, China
| | - Yun Wang
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014, China
| | - Limin Jiang
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014, China
| | - Yuran Cheng
- Key Laboratory of Biomass Chemical Engineering of the Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Yingxin Liu
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014, China
| | - Zuojun Wei
- Key Laboratory of Biomass Chemical Engineering of the Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
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39
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Chen N, Yan J, Hu Y, Hao L, Liu H, Yang H. Study of the mechanism underlying the role of PINK1/Parkin in the formic acid-induced autophagy of PC12 cells. Basic Clin Pharmacol Toxicol 2023; 132:329-342. [PMID: 36598398 DOI: 10.1111/bcpt.13833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 12/27/2022] [Accepted: 01/02/2023] [Indexed: 01/05/2023]
Abstract
This study aimed to explore PINK1/Parkin's role in methanol metabolite formic acid-induced autophagy in PC12 cells and provide a theoretical basis for elucidating methanol-induced neurotoxicity. After treatment with different formic acid concentrations, we observed the morphology and mitochondria of PC12 cells. We used an ultra-micro enzyme kit to detect the mitochondrial Na+ -K+ -ATPase and Ca2+ -Mg2+ -ATPase activities; a JC-1 kit to detect changes in the mitochondrial membrane potential (MMP); MDC staining to detect the autophagy levels; and western blotting to measure the expression levels of the mitochondrial marker protein COX IV and the autophagy-related proteins Beclin1, P62 and LC3II/LC3I, and the mitochondrial and cytoplasmic levels of PINK1, Parkin and P-Parkin. Compared with the control group, the mitochondrial diameters, the mitochondrial Na+ -K+ -ATP and Ca2+ -Mg2+ -ATPase activities, the MMP, and the COX IV expression levels decreased significantly (P < 0.05). The fluorescence signal intensity (indicating autophagy); relative Beclin1 and LC3II/LC3I protein expression levels; and relative mitochondrial PINK1, Parkin and P-Parkin levels increased significantly, and the relative P62 protein expression levels and relative cytoplasmic PINK1, Parkin and P-Parkin levels decreased significantly (P < 0.05) compared with the control group. Thus, formic acid alters mitochondrial morphology, causes mitochondrial dysfunction, affects the PINK/Parkin pathway and, thus, activates the process of mitochondrial autophagy.
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Affiliation(s)
- Nan Chen
- Department of Occupational and Environmental Health, School of Public Health and Management, Ningxia Medical University, Yinchuan, Ningxia, People's Republic of China.,Ningxia Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, Ningxia, People's Republic of China
| | - Jiao Yan
- Xi'an Chang'an District Center for Disease Control and Prevention, Xi'an, Shanxi, People's Republic of China
| | - Yundi Hu
- Department of Occupational and Environmental Health, School of Public Health and Management, Ningxia Medical University, Yinchuan, Ningxia, People's Republic of China.,Ningxia Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, Ningxia, People's Republic of China
| | - Lele Hao
- Department of Occupational and Environmental Health, School of Public Health and Management, Ningxia Medical University, Yinchuan, Ningxia, People's Republic of China.,Ningxia Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, Ningxia, People's Republic of China
| | - Herong Liu
- Department of Occupational and Environmental Health, School of Public Health and Management, Ningxia Medical University, Yinchuan, Ningxia, People's Republic of China.,Ningxia Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, Ningxia, People's Republic of China
| | - Huifang Yang
- Department of Occupational and Environmental Health, School of Public Health and Management, Ningxia Medical University, Yinchuan, Ningxia, People's Republic of China.,Ningxia Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, Ningxia, People's Republic of China
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40
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He S, Xiong B, Xu F, Chen B, Cui Y, Hu C, Yue G, Shen YA. Low-Temperature Transient Liquid Phase Bonding Technology via Cu Porous-Sn58Bi Solid-Liquid System under Formic Acid Atmosphere. Materials (Basel) 2023; 16:2389. [PMID: 36984269 PMCID: PMC10051379 DOI: 10.3390/ma16062389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 03/07/2023] [Accepted: 03/08/2023] [Indexed: 06/18/2023]
Abstract
This study proposes a low-temperature transient liquid phase bonding (TLPB) method using Sn58Bi/porous Cu/Sn58Bi to enable efficient power-device packaging at high temperatures. The bonding mechanism is attributed to the rapid reaction between porous Cu and Sn58Bi solder, leading to the formation of intermetallic compounds with high melting point at low temperatures. The present paper investigates the effects of bonding atmosphere, bonding time, and external pressure on the shear strength of metal joints. Under formic acid (FA) atmosphere, Cu6Sn5 forms at the porous Cu foil/Sn58Bi interface, and some of it transforms into Cu3Sn. External pressure significantly reduces the micropores and thickness of the joint interconnection layer, resulting in a ductile fracture failure mode. The metal joint obtained under a pressure of 10 MPa at 250 °C for 5 min exhibits outstanding bonding mechanical performance with a shear strength of 62.2 MPa.
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Affiliation(s)
- Siliang He
- Guangxi Education Department Key Laboratory of Microelectronic Packaging & Assembly Technology, School of Mechanical & Electrical Engineering, Guilin University of Electronic Technology, Guilin 541004, China; (S.H.)
- Institute of Semiconductors, Guangdong Academy of Sciences, Guangzhou 510650, China
| | - Bifu Xiong
- Guangxi Education Department Key Laboratory of Microelectronic Packaging & Assembly Technology, School of Mechanical & Electrical Engineering, Guilin University of Electronic Technology, Guilin 541004, China; (S.H.)
| | - Fangyi Xu
- Guangxi Education Department Key Laboratory of Microelectronic Packaging & Assembly Technology, School of Mechanical & Electrical Engineering, Guilin University of Electronic Technology, Guilin 541004, China; (S.H.)
| | - Biyang Chen
- Guangxi Education Department Key Laboratory of Microelectronic Packaging & Assembly Technology, School of Mechanical & Electrical Engineering, Guilin University of Electronic Technology, Guilin 541004, China; (S.H.)
| | - Yinhua Cui
- Institute of Semiconductors, Guangdong Academy of Sciences, Guangzhou 510650, China
| | - Chuan Hu
- Institute of Semiconductors, Guangdong Academy of Sciences, Guangzhou 510650, China
| | - Gao Yue
- Guangxi Education Department Key Laboratory of Microelectronic Packaging & Assembly Technology, School of Mechanical & Electrical Engineering, Guilin University of Electronic Technology, Guilin 541004, China; (S.H.)
- Guilin Fuda Co., Ltd., Guilin 541199, China
| | - Yu-An Shen
- Department of Materials Science and Engineering, Feng Chia University, Taichung 407, Taiwan
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Han Y, Chang M, Zhao Z, Niu F, Zhang Z, Sun Z, Zhang L, Hu K. Selective Valorization of Glycerol to Formic Acid on a BiVO 4 Photoanode through NiFe Phenolic Networks. ACS Appl Mater Interfaces 2023; 15:11678-11690. [PMID: 36808942 DOI: 10.1021/acsami.2c20516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The integration of the glycerol oxidation reaction (GOR) with the hydrogen evolution reaction in photoelectrochemical (PEC) cells is a desirable alternative to PEC water splitting since a large quantity of glycerol is easily accessible as the byproduct from the biodiesel industry. However, the PEC valorization of glycerol to the value-added products suffers from low Faradaic efficiency and selectivity, especially in acidic conditions, which is beneficial for hydrogen production. Herein, by loading bismuth vanadate (BVO) with a robust catalyst composed of phenolic ligands (tannic acid) coordinated with Ni and Fe ions (TANF), we demonstrate a modified BVO/TANF photoanode for the GOR with a remarkable Faradaic efficiency of over 94% to value-added molecules in a 0.1 M Na2SO4/H2SO4 (pH = 2) electrolyte. The BVO/TANF photoanode achieved a high photocurrent of 5.26 mA·cm-2 at 1.23 V versus reversible hydrogen electrode under 100 mW/cm2 white light irradiation for formic acid production with 85% selectivity, equivalent to 573 mmol/(m2·h). Transient photocurrent and transient photovoltage techniques and electrochemical impedance spectroscopy along with intensity-modulated photocurrent spectroscopy indicated that the TANF catalyst could accelerate hole transfer kinetics and suppress charge recombination. Comprehensive mechanistic investigations reveal that the GOR is initiated by the photogenerated holes of BVO, while the high selectivity to formic acid is attributed to the selective adsorption of primary hydroxyl groups in glycerol on TANF. This study provides a promising avenue for highly efficient and selective formic acid generation from biomass in acid media via PEC cells.
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Affiliation(s)
- Yiming Han
- Department of Chemistry, Fudan University, Shanghai 200433, P. R. China
| | - Mingwei Chang
- College of Mathematics and Physics, Shanghai University of Electric Power, Shanghai 201306, China
| | - Zijian Zhao
- Department of Chemistry, Fudan University, Shanghai 200433, P. R. China
| | - Fushuang Niu
- Department of Chemistry, Fudan University, Shanghai 200433, P. R. China
| | - Zhenghao Zhang
- Department of Chemistry, Fudan University, Shanghai 200433, P. R. China
| | - Zehui Sun
- Department of Chemistry, Fudan University, Shanghai 200433, P. R. China
| | - Liming Zhang
- Department of Chemistry, Fudan University, Shanghai 200433, P. R. China
| | - Ke Hu
- Department of Chemistry, Fudan University, Shanghai 200433, P. R. China
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Gupte AP, Pierantoni DC, Conti A, Donati L, Basaglia M, Casella S, Favaro L, Corte L, Cardinali G. Renewing Lost Genetic Variability with a Classical Yeast Genetics Approach. J Fungi (Basel) 2023; 9:jof9020264. [PMID: 36836378 PMCID: PMC9958831 DOI: 10.3390/jof9020264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 02/06/2023] [Accepted: 02/13/2023] [Indexed: 02/18/2023] Open
Abstract
Due to their long domestication time course, many industrial Saccharomyces cerevisiae strains are adopted in numerous processes mostly for historical reasons instead of scientific and technological needs. As such, there is still significant room for improvement for industrial yeast strains relying on yeast biodiversity. This paper strives to regenerate biodiversity with the innovative application of classic genetic methods to already available yeast strains. Extensive sporulation was indeed applied to three different yeast strains, specifically selected for their different origins as well as backgrounds, with the aim of clarifying how new variability was generated. A novel and easy method to obtain mono-spore colonies was specifically developed, and, to reveal the extent of the generated variability, no selection after sporulation was introduced. The obtained progenies were then tested for their growth in defined mediums with high stressor levels. A considerable and strain-specific increase in both phenotypic and metabolomic variability was assessed, and a few mono-spore colonies were found to be of great interest for their future exploitation in selected industrial processes.
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Affiliation(s)
- Ameya Pankaj Gupte
- Department of Agronomy Food natural Resources Animals and Environment (DAFNAE), University of Padova, 35020 Legnaro, Italy
| | | | - Angela Conti
- Department of Pharmaceutical Sciences, University of Perugia, 06121 Perugia, Italy
| | - Leonardo Donati
- Department of Pharmaceutical Sciences, University of Perugia, 06121 Perugia, Italy
| | - Marina Basaglia
- Department of Agronomy Food natural Resources Animals and Environment (DAFNAE), University of Padova, 35020 Legnaro, Italy
| | - Sergio Casella
- Department of Agronomy Food natural Resources Animals and Environment (DAFNAE), University of Padova, 35020 Legnaro, Italy
| | - Lorenzo Favaro
- Department of Agronomy Food natural Resources Animals and Environment (DAFNAE), University of Padova, 35020 Legnaro, Italy
- Correspondence: (L.F.); (L.C.)
| | - Laura Corte
- Department of Pharmaceutical Sciences, University of Perugia, 06121 Perugia, Italy
- Correspondence: (L.F.); (L.C.)
| | - Gianluigi Cardinali
- Department of Pharmaceutical Sciences, University of Perugia, 06121 Perugia, Italy
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Vdovenkov F, Bedova E, Kozaderov O. Phase Transformation during the Selective Dissolution of a Cu 85Pd 15 Alloy: Nucleation Kinetics and Contribution to Electrocatalytic Activity. Materials (Basel) 2023; 16:1606. [PMID: 36837236 PMCID: PMC9966359 DOI: 10.3390/ma16041606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 02/12/2023] [Accepted: 02/13/2023] [Indexed: 06/18/2023]
Abstract
This study determined the critical parameters for the morphological development of the electrode surface (the critical potential and the critical charge) during anodic selective dissolution of a Cu-Pd alloy with a volume concentration of 15 at.% palladium. When the critical values were exceeded, a phase transition occurred with the formation of palladium's own phase. Chronoamperometry aided in the determination of the partial rates of copper ionization and phase transformation of palladium under overcritical selective dissolution conditions. The study determined that the formation of a new palladium phase is controlled by a surface diffusion of the ad-atom to the growing three-dimensional nucleus under instantaneous activation of the nucleation centres. We also identified the role of this process in the formation of the electrocatalytic activity of the anodically modified alloy during electro-oxidation of formic acid. This study demonstrated that HCOOH is only oxidated at a relatively high rate on the surface of the Cu85Pd15 alloy, which is subjected to selective dissolution under overcritical conditions. This can be explained by the fact that during selective dissolution of the alloy, a pure palladium phase is formed on its highly developed surface which has prominent catalytic activity towards the electro-oxidation of formic acid. The rate of electro-oxidation of HCOOH on the surface of the anodically modified alloy increased with the growth of the potential and the charge of selective dissolution, which can be used to obtain an electrode palladium electrocatalyst with a set level of electrocatalytic activity towards the anodic oxidation of formic acid.
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Korobova A, Gromov N, Medvedeva T, Lisitsyn A, Kibis L, Stonkus O, Sobolev V, Podyacheva O. Ru Catalysts Supported on Bamboo-like N-Doped Carbon Nanotubes: Activity and Stability in Oxidizing and Reducing Environment. Materials (Basel) 2023; 16:1465. [PMID: 36837095 PMCID: PMC9964624 DOI: 10.3390/ma16041465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/27/2023] [Accepted: 02/07/2023] [Indexed: 06/18/2023]
Abstract
The catalysts with platinum-group metals on nanostructured carbons have been a very active field of research, but the studies were mainly limited to Pt and Pd. Here, Ru catalysts based on nitrogen-doped carbon nanotubes (N-CNTs) have been prepared and thoroughly characterized; Ru loading was kept constant (3 wt.%), while the degree of N-doping was varied (from 0 to 4.8 at.%) to evaluate its influence on the state of supported metal. Using the N-CNTs afforded ultrafine Ru particles (<2 nm) and allowed a portion of Ru to be stabilized in an atomic state. The presence of Ru single atoms in Ru/N-CNTs expectedly increased catalytic activity and selectivity in the formic acid decomposition (FAD) but had no effect in catalytic wet air oxidation (CWAO) of phenol, thus arguing against a key role of single-atom catalysis in the latter case. A remarkable difference between these two reactions was also found in regard to catalyst stability. In the course of FAD, no changes in the support or supported species or reaction rate were observed even at a high temperature (150 °C). In CWAO, although 100% conversions were still achievable in repeated runs, the oxidizing environment caused partial destruction of N-CNTs and progressive deactivation of the Ru surface by carbonaceous deposits. These findings add important new knowledge about the properties and applicability of Ru@C nanosystems.
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Tomsia M, Chełmecka E, Głaz M, Nowicka J. Epiglottis Cartilage, Costal Cartilage, and Intervertebral Disc Cartilage as Alternative Materials in the Postmortem Diagnosis of Methanol Poisoning. Toxics 2023; 11:152. [PMID: 36851027 PMCID: PMC9964933 DOI: 10.3390/toxics11020152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/31/2023] [Accepted: 02/03/2023] [Indexed: 06/18/2023]
Abstract
Alternative materials for postmortem diagnosis in the case of fatal poisonings are much needed when standard materials, such as blood and urine, are unavailable. The study presents a case of fatal mass methanol intoxication resulting from industrial alcohol consumption. The study aimed to determine methanol and formic acid concentrations in epiglottis cartilage, costal cartilage, and intervertebral disc cartilage and to analyze the correlation between their concentrations in cartilage tissues and the femoral blood. Methanol and formic acid concentrations in samples collected from 17 individuals (n = 17) were estimated using gas chromatography with flame ionization detection (GC-FID). Methanol concentration in the costal cartilage correlated with its concentration in the femoral blood (r = 0.871). Similar correlations were found for epiglottis cartilage (r = 0.822) and intervertebral disc cartilage (r = 0.892). Formic acid concentration in the blood correlated only with its concentration in urine (r = 0.784) and the epiglottis (r = 0.538). Cartilage tissue could serve as an alternative material for methanol analyses in postmortem studies. Formic acid, a methanol metabolite, does not meet the requirements for its presence determination in cartilage tissues.
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Affiliation(s)
- Marcin Tomsia
- Department of Forensic Medicine and Forensic Toxicology, Medical University of Silesia, 18 Medyków Street, 40-752 Katowice, Poland
| | - Elżbieta Chełmecka
- Department of Statistics, Department of Instrumental Analysis, Faculty of Pharmaceutical Sciences, Medical University of Silesia, Ostrogórska 30 Street, 41-200 Sosnowiec, Poland
| | - Małgorzata Głaz
- Department of Forensic Medicine and Forensic Toxicology, Medical University of Silesia, 18 Medyków Street, 40-752 Katowice, Poland
| | - Joanna Nowicka
- Department of Forensic Medicine and Forensic Toxicology, Medical University of Silesia, 18 Medyków Street, 40-752 Katowice, Poland
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Nishchakova AD, Bulushev DA, Trubina SV, Stonkus OA, Shubin YV, Asanov IP, Kriventsov VV, Okotrub AV, Bulusheva LG. Highly Dispersed Ni on Nitrogen-Doped Carbon for Stable and Selective Hydrogen Generation from Gaseous Formic Acid. Nanomaterials (Basel) 2023; 13:545. [PMID: 36770506 PMCID: PMC9921425 DOI: 10.3390/nano13030545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 01/23/2023] [Accepted: 01/28/2023] [Indexed: 06/18/2023]
Abstract
Ni supported on N-doped carbon is rarely studied in traditional catalytic reactions. To fill this gap, we compared the structure of 1 and 6 wt% Ni species on porous N-free and N-doped carbon and their efficiency in hydrogen generation from gaseous formic acid. On the N-free carbon support, Ni formed nanoparticles with a mean size of 3.2 nm. N-doped carbon support contained Ni single-atoms stabilized by four pyridinic N atoms (N4-site) and sub-nanosized Ni clusters. Density functional theory calculations confirmed the clustering of Ni when the N4-sites were fully occupied. Kinetic studies revealed the same specific Ni mass-based reaction rate for single-atoms and clusters. The N-doped catalyst with 6 wt% of Ni showed higher selectivity in hydrogen production and did not lose activity as compared to the N-free 6 wt% Ni catalyst. The presented results can be used to develop stable Ni catalysts supported on N-doped carbon for various reactions.
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Affiliation(s)
- Alina D. Nishchakova
- Nikolaev Institute of Inorganic Chemistry SB RAS, 3 Acad. Lavrentiev Ave., 630090 Novosibirsk, Russia
| | - Dmitri A. Bulushev
- Boreskov Institute of Catalysis SB RAS, 5 Acad. Lavrentiev Ave., 630090 Novosibirsk, Russia
| | - Svetlana V. Trubina
- Nikolaev Institute of Inorganic Chemistry SB RAS, 3 Acad. Lavrentiev Ave., 630090 Novosibirsk, Russia
| | - Olga A. Stonkus
- Boreskov Institute of Catalysis SB RAS, 5 Acad. Lavrentiev Ave., 630090 Novosibirsk, Russia
| | - Yury V. Shubin
- Nikolaev Institute of Inorganic Chemistry SB RAS, 3 Acad. Lavrentiev Ave., 630090 Novosibirsk, Russia
| | - Igor P. Asanov
- Nikolaev Institute of Inorganic Chemistry SB RAS, 3 Acad. Lavrentiev Ave., 630090 Novosibirsk, Russia
| | - Vladimir V. Kriventsov
- Boreskov Institute of Catalysis SB RAS, 5 Acad. Lavrentiev Ave., 630090 Novosibirsk, Russia
| | - Alexander V. Okotrub
- Nikolaev Institute of Inorganic Chemistry SB RAS, 3 Acad. Lavrentiev Ave., 630090 Novosibirsk, Russia
| | - Lyubov G. Bulusheva
- Nikolaev Institute of Inorganic Chemistry SB RAS, 3 Acad. Lavrentiev Ave., 630090 Novosibirsk, Russia
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Battellino T, Ogata K, Spicer V, Ishihama Y, Krokhin O. Acetic Acid Ion Pairing Additive for Reversed-Phase HPLC Improves Detection Sensitivity in Bottom-up Proteomics Compared to Formic Acid. J Proteome Res 2023; 22:272-278. [PMID: 36480176 DOI: 10.1021/acs.jproteome.2c00388] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Despite the general acceptance of formic acid as the additive of choice for peptide reversed-phase LC-MS/MS applications, some still argue that the selection of acetic acid represents a better option. To settle this debate, we investigated both the difference in MS sensitivity and chromatographic behavior of peptides between these two systems. This interlaboratory study was performed using different MS setups and C18 separation media employing both 0.1% formic and 0.5% acetic acid as ion pairing modifiers. Relative to formic acid, we find an overall ∼2.2-2.5× increase in MS signal and a slight decrease in RP LC retention (-0.7% acetonitrile on average) for acetic acid conditions. While these two features have opposing effects on peptide detectability, we find that acetic acid produces up to 60% higher peptide ID output depending on the type of sample. The drop in RPLC retention increases with peptide net charge at acidic pH. MS signal is dependent on the difference between the charge of the precursor ion and the charge of the peptide in solution, favoring species with a low pI. Lower peptide retention under acetic acid conditions demonstrates its higher hydrophilicity and, as expected, leads to composition and sequence-dependent character of the observed retention shift.
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Affiliation(s)
- Taylor Battellino
- Department of Chemistry, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada
| | - Kosuke Ogata
- Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto 606-8501, Japan
| | - Victor Spicer
- Manitoba Centre for Proteomics and Systems Biology, Department of Internal Medicine, University of Manitoba, Winnipeg, Manitoba R3E 3P4, Canada
| | - Yasushi Ishihama
- Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto 606-8501, Japan
| | - Oleg Krokhin
- Manitoba Centre for Proteomics and Systems Biology, Department of Internal Medicine, University of Manitoba, Winnipeg, Manitoba R3E 3P4, Canada.,University of Manitoba, Winnipeg, Manitoba R3E 3P4, Canada
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Ruiz-López E, Ribota Peláez M, Blasco Ruz M, Domínguez Leal MI, Martínez Tejada M, Ivanova S, Centeno MÁ. Formic Acid Dehydrogenation over Ru- and Pd-Based Catalysts: Gas- vs. Liquid-Phase Reactions. Materials (Basel) 2023; 16:472. [PMID: 36676208 PMCID: PMC9861380 DOI: 10.3390/ma16020472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 12/28/2022] [Accepted: 12/29/2022] [Indexed: 06/17/2023]
Abstract
Formic acid has recently been revealed to be an excellent hydrogen carrier, and interest in the development of efficient and selective catalysts towards its dehydrogenation has grown. This reaction has been widely explored using homogeneous catalysts; however, from a practical and scalable point of view, heterogeneous catalysts are usually preferred in industry. In this work, formic acid dehydrogenation reactions in both liquid- and vapor-phase conditions have been investigated using heterogeneous catalysts based on mono- or bimetallic Pd/Ru. In all of the explored conditions, the catalysts showed good catalytic activity and selectivity towards the dehydrogenation reaction, avoiding the formation of undesired CO.
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49
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Li H, Huang H, Chen Y, Lai F, Fu H, Zhang L, Zhang N, Bai S, Liu T. High-Entropy Alloy Aerogels: A New Platform for Carbon Dioxide Reduction. Adv Mater 2023; 35:e2209242. [PMID: 36373568 DOI: 10.1002/adma.202209242] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 10/29/2022] [Indexed: 06/16/2023]
Abstract
High-entropy alloy aerogels (HEAAs) combined with the advantages of high-entropy alloys and aerogels are prospective new platforms in catalytic reactions. However, due to the differences in reduction potentials and miscibility behavior of different metals, the realization of HEAAs with a single phase is still a great challenge. Herein, a series of HEAAs is fabricated via the freeze-thaw method as highly active and durable electrocatalysts for the carbon dioxide reduction reaction (CO2 RR). Especially, the PdCuAuAgBiIn HEAAs can achieve Faradaic efficiency (FE) of C1 products almost 100% from -0.7 to -1.1 V versus reversible hydrogen electrode (VRHE ), and a maximum FE for formic acid (FEHCOOH ) of 98.1% at -1.1 VRHE , outperforming PdCuAuAgBiIn high-entropy alloy particles (HEAPs) and Pd metallic aerogels (MAs). Specifically, the current density and FEHCOOH are almost 200 mA cm-2 and 87% in a flow cell. The impressive CO2 RR performance of the PdCuAuAgBiIn HEAAs is attributed to the strong interactions between the different metals and the surface unsaturated sites, which can regulate the electronic structures of different metals and allow the optimal HCOO* intermediate adsorption and desorption onto the catalysts surface to enhance HCOOH production. The work not only provides a facile synthetic strategy to fabricate HEAAs, but also opens the avenue for development of efficient catalysts and beyond.
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Affiliation(s)
- Hanjun Li
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, International Joint Research Laboratory for Nano Energy Composites, Jiangnan University, Wuxi, 214122, China
| | - Honggang Huang
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, International Joint Research Laboratory for Nano Energy Composites, Jiangnan University, Wuxi, 214122, China
| | - Yao Chen
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, International Joint Research Laboratory for Nano Energy Composites, Jiangnan University, Wuxi, 214122, China
| | - Feili Lai
- Department of Chemistry, KU Leuven, Celestijnenlaan 200F, Leuven, 3001, Belgium
| | - Hui Fu
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, International Joint Research Laboratory for Nano Energy Composites, Jiangnan University, Wuxi, 214122, China
| | - Longsheng Zhang
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, International Joint Research Laboratory for Nano Energy Composites, Jiangnan University, Wuxi, 214122, China
| | - Nan Zhang
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, International Joint Research Laboratory for Nano Energy Composites, Jiangnan University, Wuxi, 214122, China
| | - Shuxing Bai
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, China
| | - Tianxi Liu
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, International Joint Research Laboratory for Nano Energy Composites, Jiangnan University, Wuxi, 214122, China
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50
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Cherkasova MN, Laskavy VN, Borovaya TG, Zhukhovitsky VG, Sednev OM. Revisiting the Problem of Finding Effective Sepsis Treatment Solutions. Bull Exp Biol Med 2023; 174:380-384. [PMID: 36723747 PMCID: PMC9890413 DOI: 10.1007/s10517-023-05712-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Indexed: 02/02/2023]
Abstract
We studied the effect of a preparation containing ultralow doses of formic aldehyde on the course of experimental sepsis caused by intraperitoneal injection of two different strains of Pseudomonas aeruginosa (1623 and 5266) to C57BL/6 male mice. Microscopy and quantitative bacteriological tests in the dynamics of the infectious process demonstrated a positive effect of the drug: 100% survival of animals, preserved histological structure of the studied organs (lungs, liver, kidneys, spleen, and adrenal glands), a sharp decrease in the level of contamination of the blood and organ homogenates during the first hours after infection, and complete absence of bacteria in inoculates on day 7 after infection. These findings suggest the effectiveness of ultralow doses of formic acid aldehyde in the composition of the medicinal product in the treatment of experimental sepsis caused by P. aeruginosa strains 1623 and 5266 in mice.
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Affiliation(s)
- M. N. Cherkasova
- grid.415738.c0000 0000 9216 2496N. F. Gamaleya National Research Center of Epidemiology and Microbiology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - V. N. Laskavy
- LLC “Research Institute of Medical and Veterinary Biotechnologies”, Moscow, Russia
| | - T. G. Borovaya
- grid.415738.c0000 0000 9216 2496N. F. Gamaleya National Research Center of Epidemiology and Microbiology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - V. G. Zhukhovitsky
- grid.415738.c0000 0000 9216 2496N. F. Gamaleya National Research Center of Epidemiology and Microbiology, Ministry of Health of the Russian Federation, Moscow, Russia ,grid.465497.dRussian Medical Academy of Continuous Professional Education, Ministry of Health of the Russian Federation, Moscow, Russia
| | - O. M. Sednev
- LLC “Research Institute of Medical and Veterinary Biotechnologies”, Moscow, Russia
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