51
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Wenzel F, Hamzehlou S, Gonzalez de San Roman E, Aguirre M, Leiza JR. Modeling the Kinetics and Microstructure of a Thermally Initiated Thiol‐Ene Polymerization. MACROMOL REACT ENG 2021. [DOI: 10.1002/mren.202100034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Fabian Wenzel
- POLYMAT and Kimika Aplikatua Saila Kimika Fakultatea University of the Basque Country UPV‐EHU Joxe Mari Korta Zentroa Tolosa Hiribidea 72 Donostia‐San Sebastian 20018 Spain
| | - Shaghayegh Hamzehlou
- POLYMAT and Kimika Aplikatua Saila Kimika Fakultatea University of the Basque Country UPV‐EHU Joxe Mari Korta Zentroa Tolosa Hiribidea 72 Donostia‐San Sebastian 20018 Spain
| | - Estibaliz Gonzalez de San Roman
- POLYMAT and Kimika Aplikatua Saila Kimika Fakultatea University of the Basque Country UPV‐EHU Joxe Mari Korta Zentroa Tolosa Hiribidea 72 Donostia‐San Sebastian 20018 Spain
| | - Miren Aguirre
- POLYMAT and Kimika Aplikatua Saila Kimika Fakultatea University of the Basque Country UPV‐EHU Joxe Mari Korta Zentroa Tolosa Hiribidea 72 Donostia‐San Sebastian 20018 Spain
| | - Jose R. Leiza
- POLYMAT and Kimika Aplikatua Saila Kimika Fakultatea University of the Basque Country UPV‐EHU Joxe Mari Korta Zentroa Tolosa Hiribidea 72 Donostia‐San Sebastian 20018 Spain
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52
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Suzuki S, Kamoshita A, Kohno JY. Chemical Reactions at the Interface Periphery of Colliding Droplets Studied by Raman Image Analysis. J Phys Chem A 2021; 125:9161-9166. [PMID: 34641683 DOI: 10.1021/acs.jpca.1c06163] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Chemical reactions at the interface of reactive solutions are of importance for a full understanding of solution reactions. We investigate the chemical reaction induced by the collision of two droplets. The extent of the reaction is measured by analyzing spectra and images of the Raman scattered light emerging from the interface of the colliding droplets of H2SO4 and NH3 aqueous solutions. The obtained product concentration is lower than that expected from a simple diffusion model. The result indicates that a fresh interface is produced at the periphery of the mixing region of the colliding droplets. This study provides the basis to extend this method to measure rapid chemical reactions at the interface of colliding droplets.
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Affiliation(s)
- Shuhei Suzuki
- Department of Chemistry, Faculty of Science, Gakushuin University, 1-5-1 Mejiro, Toshima-ku, Tokyo 171-8588, Japan
| | - Aya Kamoshita
- Department of Chemistry, Faculty of Science, Gakushuin University, 1-5-1 Mejiro, Toshima-ku, Tokyo 171-8588, Japan
| | - Jun-Ya Kohno
- Department of Chemistry, Faculty of Science, Gakushuin University, 1-5-1 Mejiro, Toshima-ku, Tokyo 171-8588, Japan
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53
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Seki T, Yu X, Zhang P, Yu CC, Liu K, Gunkel L, Dong R, Nagata Y, Feng X, Bonn M. Real-time study of on-water chemistry: Surfactant monolayer-assisted growth of a crystalline quasi-2D polymer. Chem 2021. [DOI: 10.1016/j.chempr.2021.07.016] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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54
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Yin GW, Wu SL, Yan JH, Zhang PF, Yang MM, Li L, Xu Z, Yang KF, Xu LW. Swollen-induced in-situ encapsulation of chiral silver catalysts in cross-linked polysiloxane elastomers: Homogeneous reaction and heterogeneous separation. MOLECULAR CATALYSIS 2021. [DOI: 10.1016/j.mcat.2021.111901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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55
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Pellerite MJ, Lomeda JR. Characterizing Cation Chemistry for Anion Exchange Membranes- para-Alkyl-Substituted Benzyltetramethylimidazolium and Benzyltrimethylammonium Salts in Base. J Org Chem 2021; 86:13481-13490. [PMID: 34543574 DOI: 10.1021/acs.joc.1c01563] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Base stability and degradation of imidazolium-functional materials have been a focus of research on anion exchange membranes for electrochemical devices. Despite extensive work, mechanistic questions can cloud efforts to correlate results from model compounds and polymeric membranes. Here, we report an NMR study of behavior in aqueous KOH of benzyltetramethylimidazolium and benzyltrimethylammonium salts with and without para-alkyl-substitution to probe whether base attack at the alkyl substituent plays a role in the reaction pathways. In all cases, the major products from the imidazolium salts are consistent with hydrolytic ring fragmentation as the principal mode of decomposition. Also, relative decomposition kinetics for both types of salts provided no conclusive evidence for a change in reaction mechanism upon introduction of the alkyl substituent. While our data do not rule out base attack at the alkyl group in the cases where rate differences were noted, these differences appear to be better attributed to reaction medium effects of submicrometer oil phase droplets arising from salt aggregation.
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Affiliation(s)
- Mark J Pellerite
- Corporate Research Laboratories 3M Company 3M Center, Saint Paul, Minnesota 55144, United States
| | - Jay R Lomeda
- Corporate Research Laboratories 3M Company 3M Center, Saint Paul, Minnesota 55144, United States
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56
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Jiang H, Hu X, Li Y, Yang C, Ngai T. Engineering proteinaceous colloidosomes as enzyme carriers for efficient and recyclable Pickering interfacial biocatalysis. Chem Sci 2021; 12:12463-12467. [PMID: 34603677 PMCID: PMC8480340 DOI: 10.1039/d1sc03693a] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Accepted: 08/17/2021] [Indexed: 01/02/2023] Open
Abstract
Despite Pickering interfacial biocatalysis being a popular topic in biphasic biocatalysis, the development of water-in-oil (w/o) emulsion systems stabilized by single particles remains a challenge. For the first time, hydrophobized proteinaceous colloidosomes with magnetic-responsiveness are developed to function as both an enzyme carrier and emulsifier, achieving a breakthrough in protein-based w/o Pickering bioconversion. Enzyme-loaded protein colloidosomes are synthesized by a facile and mild method via emulsion templating. This system exhibits superior catalytic activity to other systems at the oil–water interface. Besides, feasible enzyme recovery and reusability ensure that this novel system can be employed as an efficient and eco-friendly recyclable platform. Engineering proteinaceous colloidosomes with magnetic-responsiveness are designed as both enzyme carrier and emulsifier, achieving a breakthrough in protein-based w/o Pickering interfacial biocatalysis.![]()
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Affiliation(s)
- Hang Jiang
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University Wuxi 214122 P. R. China
| | - Xiaofeng Hu
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University Wuxi 214122 P. R. China
| | - Yunxing Li
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University Wuxi 214122 P. R. China
| | - Cheng Yang
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University Wuxi 214122 P. R. China
| | - To Ngai
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University Wuxi 214122 P. R. China .,Department of Chemistry, The Chinese University of Hong Kong Shatin, N. T. Hong Kong P. R. China
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57
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Zhang Y, Huang Z, Cai Z, Ye Y, Li Z, Qin F, Xiao J, Zhang D, Guo Q, Song Y, Yang J. Magnetic-actuated "capillary container" for versatile three-dimensional fluid interface manipulation. SCIENCE ADVANCES 2021; 7:7/34/eabi7498. [PMID: 34407930 PMCID: PMC8373135 DOI: 10.1126/sciadv.abi7498] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 06/29/2021] [Indexed: 06/01/2023]
Abstract
Fluid interfaces are omnipresent in nature. Engineering the fluid interface is essential to study interfacial processes for basic research and industrial applications. However, it remains challenging to precisely control the fluid interface because of its fluidity and instability. Here, we proposed a magnetic-actuated "capillary container" to realize three-dimensional (3D) fluid interface creation and programmable dynamic manipulation. By wettability modification, 3D fluid interfaces with predesigned sizes and geometries can be constructed in air, water, and oils. Multiple motion modes were realized by adjusting the container's structure and magnetic field. Besides, we demonstrated its feasibility in various fluids by performing selective fluid collection and chemical reaction manipulations. The container can also be encapsulated with an interfacial gelation reaction. Using this process, diverse free-standing 3D membranes were produced, and the dynamic release of riboflavin (vitamin B2) was studied. This versatile capillary container will provide a promising platform for open microfluidics, interfacial chemistry, and biomedical engineering.
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Affiliation(s)
- Yiyuan Zhang
- Department of Mechanical and Materials Engineering, University of Western Ontario, London, Ontario N6A 5B9, Canada
| | - Zhandong Huang
- Department of Mechanical and Materials Engineering, University of Western Ontario, London, Ontario N6A 5B9, Canada.
| | - Zheren Cai
- Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences (ICCAS), Beijing Engineering Research Center of Nanomaterials for Green Printing Technology, Beijing National Laboratory for Molecular Sciences (BNLMS), Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Yuqing Ye
- School of Biomedical Engineering, University of Western Ontario, London, Ontario N6A 5B9, Canada
| | - Zheng Li
- Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences (ICCAS), Beijing Engineering Research Center of Nanomaterials for Green Printing Technology, Beijing National Laboratory for Molecular Sciences (BNLMS), Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Feifei Qin
- Chair of Building Physics, Department of Mechanical and Process Engineering, ETH Zürich (Swiss Federal Institute of Technology in Zürich), Zürich 8092, Switzerland
| | - Junfeng Xiao
- Department of Mechanical and Materials Engineering, University of Western Ontario, London, Ontario N6A 5B9, Canada
| | - Dongxing Zhang
- Shenzhen Institute for Advanced Study, University of Electronic Science and Technology of China, Shenzhen 518000, P. R. China
| | - Qiuquan Guo
- Shenzhen Institute for Advanced Study, University of Electronic Science and Technology of China, Shenzhen 518000, P. R. China
| | - Yanlin Song
- Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences (ICCAS), Beijing Engineering Research Center of Nanomaterials for Green Printing Technology, Beijing National Laboratory for Molecular Sciences (BNLMS), Beijing 100190, P. R. China
| | - Jun Yang
- Department of Mechanical and Materials Engineering, University of Western Ontario, London, Ontario N6A 5B9, Canada.
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58
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Xing JY, Li S, Ma LJ, Gao HM, Liu H, Lu ZY. Understanding of supramolecular emulsion interfacial polymerization in silico. J Chem Phys 2021; 154:184903. [PMID: 34241008 DOI: 10.1063/5.0047824] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The composition and structure of a membrane determine its functionality and practical application. We study the supramolecular polymeric membrane prepared by supramolecular emulsion interfacial polymerization (SEIP) on the oil-in-water droplet via the computer simulation method. The factors that may influence its structure and properties are investigated, such as the degree of polymerization and molecular weight distribution (MWD) of products in the polymeric membranes. We find that the SEIP can lead to a higher total degree of polymerization as compared to the supramolecular interfacial polymerization (SIP). However, the average chain length of products in the SEIP is lower than that of the SIP due to its obvious interface curvature. The stoichiometric ratio of reactants in two phases will affect the MWD of the products, which further affects the performance of the membranes in practical applications, such as drug release rate and permeability. Besides, the MWD of the product by SEIP obviously deviates from the Flory distribution as a consequence of the curvature of reaction interface. In addition, we obtain the MWD for the emulsions whose size distribution conforms to the Gaussian distribution so that the MWD may be predicted according to the corresponding emulsion size distribution. This study helps us to better understand the controlling factors that may affect the structure and properties of supramolecular polymeric membranes by SEIP.
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Affiliation(s)
- Ji-Yuan Xing
- State Key Laboratory of Supramolecular Structure and Materials, Institute of Theoretical Chemistry, Jilin University, Changchun 130023, China
| | - Sheng Li
- College of Chemistry, Jilin University, Changchun 130023, China
| | - Li-Jun Ma
- Key Laboratory of Theoretical Chemistry of Environment Ministry of Education, School of Chemistry, South China Normal University, Guangzhou 510006, China
| | - Hui-Min Gao
- State Key Laboratory of Supramolecular Structure and Materials, Institute of Theoretical Chemistry, Jilin University, Changchun 130023, China
| | - Hong Liu
- Key Laboratory of Theoretical Chemistry of Environment Ministry of Education, School of Chemistry, South China Normal University, Guangzhou 510006, China
| | - Zhong-Yuan Lu
- State Key Laboratory of Supramolecular Structure and Materials, Institute of Theoretical Chemistry, Jilin University, Changchun 130023, China
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59
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Zheng G, Gao Q, Jiang Y, Lu L, Li J, Zhang X, Zhao H, Fan P, Cui Y, Gu F, Wang Y. Instrumentation-Compact Digital Microfluidic Reaction Interface-Extended Loop-Mediated Isothermal Amplification for Sample-to-Answer Testing of Vibrio parahaemolyticus. Anal Chem 2021; 93:9728-9736. [PMID: 34228918 DOI: 10.1021/acs.analchem.1c00917] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Vibrio parahaemolyticus is usually spread via consumption of contaminated seafood and causes vibriosis. By combination of digital microfluidic (DMF) and loop-mediated isothermal amplification (LAMP), we provided an automated instrumentation-compact DMF-LAMP device for sample-to-answer detection of V. parahaemolyticus. For the first time, how much the proper mixing might facilitate the DMF-LAMP process is explored. The results illustrated that increasing the number of flow configurations and decreasing the fluid-reversibility will extend the interfacial surface available for diffusion-based mass transfer within a droplet microreactor, thus contributing to the overall amplification reaction rate. Noticeably, the DMF-LAMP amplification plateau time is shortened by proper mixing, from 60 min in static mixing and traditional bulk LAMP to 30 min in 2-electrode mixing and 15 min in 3-electrode mixing. The device achieved much higher detection sensitivity (two copies per reaction) than previously reported devices. V. parahaemolyticus from spiked shrimps is detected by Q-tip sampling associated with 3-electrode mixing DMF-LAMPs. The detectable signal occurs within only 3 min at a higher concentration and, at most, is delayed to 18 min, with a detection limit of <0.23 × 103 CFU/g. Thus, the developed DMF-LAMP device demonstrates potential for being used as a sample-to-answer system with a quick analysis time, high sensitivity, and sample-to-answer format.
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Affiliation(s)
- Guoxia Zheng
- Medical school, Dalian University, Dalian 116622, China.,Chemical and Environmental Engineering Institute, Dalian University, Dalian 116622, China
| | - Qian Gao
- Medical school, Dalian University, Dalian 116622, China
| | - Youwei Jiang
- Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China
| | - Ling Lu
- Medical school, Dalian University, Dalian 116622, China
| | - Jianfeng Li
- Jiangsu Celyee Cell Technology, Research Institute Co., Nanjing 210000, China
| | - Xingcai Zhang
- Department of Physics, School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Hongyu Zhao
- Chemical and Environmental Engineering Institute, Dalian University, Dalian 116622, China
| | - Panpan Fan
- Medical school, Dalian University, Dalian 116622, China
| | - Yutong Cui
- Chemical and Environmental Engineering Institute, Dalian University, Dalian 116622, China
| | - Furong Gu
- Chemical and Environmental Engineering Institute, Dalian University, Dalian 116622, China
| | - Yunhua Wang
- Medical school, Dalian University, Dalian 116622, China
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60
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Nemoto T, Sakai T, Okada T. Unimodal sized silica nanocapsules produced through water-in-oil emulsions prepared by sequential irradiation of kilo- and submega-hertz ultrasounds. RSC Adv 2021; 11:22921-22928. [PMID: 35480436 PMCID: PMC9034346 DOI: 10.1039/d1ra03384k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 06/23/2021] [Indexed: 12/17/2022] Open
Abstract
This study investigates the regulation of the size of 100 nm hollow-sphere silica particles using surfactant-free water-in-oil (W/O) emulsion. First, water droplets were dispersed in soybean oil via sequential ultrasound irradiation (28 kHz → 200 kHz → 950 kHz). A precursor of hollow silica particles was prepared using hydrolysis and polymerization of methylsilyl trichloride into a stable W/O emulsion. The final structure/morphology of the silica particles was influenced by the volume ratio of water/soybean oil, the cycle number of the sequential ultrasound irradiation, and the amount of organosilane added to the emulsion. The emulsion was stabilized by Ostwald ripening, as the size distribution at 5/103 (water/oil = v/v) was a bimodal split between a water droplet size of a few μm and some with a size of a few tens of nm. The most appropriate cycle number was 3 in this system. Further cycling to 5 resulted in a broad and bimodal size distribution of the final particles due to rapid coalescence of water droplets. Subsequent hydrolysis of methylsilyl trichloride consumed water with diminishing large droplets, forming fine and unimodal (0.12 ± 0.02 μm) hollow silica particles. Very fine and uniform-sized hollow particles (0.08 ± 0.01 μm) were successfully produced by decreasing the volume ratio to 1/103 (water/oil) because of a transparent stable emulsion as a homogeneous template of the hollow structures. Silica nanocapsules were prepared using water droplets dispersed in soybean oil via sequential ultrasound irradiation (28 kHz → 200 kHz → 950 kHz).![]()
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Affiliation(s)
- Takahiro Nemoto
- Department of Materials Chemistry, Faculty of Engineering, Shinshu University 4-17-1, Wakasato Nagano 380-8553 Japan +81-26-269-5424 +81-26-269-5414
| | - Toshio Sakai
- Department of Materials Chemistry, Faculty of Engineering, Shinshu University 4-17-1, Wakasato Nagano 380-8553 Japan +81-26-269-5424 +81-26-269-5414
| | - Tomohiko Okada
- Department of Materials Chemistry, Faculty of Engineering, Shinshu University 4-17-1, Wakasato Nagano 380-8553 Japan +81-26-269-5424 +81-26-269-5414.,Research Initiative for Supra-Materials, Shinshu University 4-17-1, Wakasato Nagano 380-8553 Japan
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61
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Liu C, Yang J, Guo B, Agarwal S, Greiner A, Xu Z. Interfacial Polymerization at the Alkane/Ionic Liquid Interface. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202103555] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Chang Liu
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization Key Laboratory of Adsorption and Separation Materials & Technologies of Zhejiang Province Department of Polymer Science and Engineering Zhejiang University Hangzhou 310027 China
| | - Jing Yang
- College of Material Chemistry and Chemical Engineering Hangzhou Normal University Hangzhou 310036 China
| | - Bian‐Bian Guo
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization Key Laboratory of Adsorption and Separation Materials & Technologies of Zhejiang Province Department of Polymer Science and Engineering Zhejiang University Hangzhou 310027 China
| | - Seema Agarwal
- Macromolecular Chemistry and Bavarian Polymer Institute University of Bayreuth Universitatsstrasse 30 95440 Bayreuth Germany
| | - Andreas Greiner
- Macromolecular Chemistry and Bavarian Polymer Institute University of Bayreuth Universitatsstrasse 30 95440 Bayreuth Germany
| | - Zhi‐Kang Xu
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization Key Laboratory of Adsorption and Separation Materials & Technologies of Zhejiang Province Department of Polymer Science and Engineering Zhejiang University Hangzhou 310027 China
- College of Chemical and Biological Engineering Zhejiang University Hangzhou 310027 China
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62
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Lee JW, Jang YS, Park JM, Park CP. Synthesis of
gem
‐Dichlorocyclopropanes Using Liquid–Liquid Slug Flow. B KOREAN CHEM SOC 2021. [DOI: 10.1002/bkcs.12346] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Jong Won Lee
- Graduate School of Analytical Science and Technology (GRAST) Chungnam National University Daejeon 34134 Republic of Korea
| | - Yea Seul Jang
- Graduate School of Analytical Science and Technology (GRAST) Chungnam National University Daejeon 34134 Republic of Korea
| | - Jong Min Park
- Graduate School of Analytical Science and Technology (GRAST) Chungnam National University Daejeon 34134 Republic of Korea
| | - Chan Pil Park
- Graduate School of Analytical Science and Technology (GRAST) Chungnam National University Daejeon 34134 Republic of Korea
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63
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Ma H, Hua Y, Hou Z, Gao F, Zhang X, Shao M, Ma T, Liu M, Li T, Xu J. Adsorption-Reaction Processes Between Gelatin and PDMS-E Emulsion Droplets. ACS OMEGA 2021; 6:13915-13925. [PMID: 34095683 PMCID: PMC8173617 DOI: 10.1021/acsomega.1c01789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Accepted: 05/06/2021] [Indexed: 06/12/2023]
Abstract
In this work, the effects of droplet size and reaction time on the adsorption-reaction processes between gelatin and α-[3-(2,3-epoxypropoxy) propyl]-ω-butyl-polydimethylsiloxane (PDMS-E) emulsion droplets were studied. Gelatin molecules were only physically adsorbed on the surface of the PDMS-E droplet in the 0-75 min range, which was unrelated to the droplet size (100-1000 nm). For the small-size droplets (<410 nm), the physical adsorption proceeded over 75 min followed by agglomeration. For middle-size droplets (410-680 nm), the physical adsorption finished at 125 min; subsequently, the nucleophilic reaction between the primary amino group and the epoxy group began to happen, and globular-like or core-shell colloidal particles were formed. For large-size droplets (>680 nm), the nucleophilic reaction occurred at 75 min and produced core-shell or multi-layered colloidal particles. In a word, the physical absorption or nucleophilic reaction between gelatin and PDMS-E emulsion droplets could be controlled by controlling the droplet size and reaction time. Furthermore, the soft tissue paper coated with large-size droplets exhibited excellent resistance to water permeability and flame-resistant performance, which were carried out by water resistance and flammability tests.
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Affiliation(s)
- Huijun Ma
- Shandong
Provincial Key Laboratory of Molecular Engineering, School of Mathematics
and Statistics, Qilu University of Technology Library, Qilu University of Technology (Shandong Academy of
Sciences), Jinan 250353, P. R. China
| | - Yuai Hua
- Shandong
Provincial Key Laboratory of Molecular Engineering, School of Mathematics
and Statistics, Qilu University of Technology Library, Qilu University of Technology (Shandong Academy of
Sciences), Jinan 250353, P. R. China
| | - Zhaosheng Hou
- Shandong
Provincial Key Laboratory of Molecular Engineering, School of Mathematics
and Statistics, Qilu University of Technology Library, Qilu University of Technology (Shandong Academy of
Sciences), Jinan 250353, P. R. China
- College
of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250100, P. R. China
| | - Feng Gao
- Shandong
Provincial Key Laboratory of Molecular Engineering, School of Mathematics
and Statistics, Qilu University of Technology Library, Qilu University of Technology (Shandong Academy of
Sciences), Jinan 250353, P. R. China
| | - Xiao Zhang
- Shandong
Provincial Key Laboratory of Molecular Engineering, School of Mathematics
and Statistics, Qilu University of Technology Library, Qilu University of Technology (Shandong Academy of
Sciences), Jinan 250353, P. R. China
| | - Mingxia Shao
- Shandong
Provincial Key Laboratory of Molecular Engineering, School of Mathematics
and Statistics, Qilu University of Technology Library, Qilu University of Technology (Shandong Academy of
Sciences), Jinan 250353, P. R. China
| | - Tiange Ma
- Shandong
Provincial Key Laboratory of Molecular Engineering, School of Mathematics
and Statistics, Qilu University of Technology Library, Qilu University of Technology (Shandong Academy of
Sciences), Jinan 250353, P. R. China
| | - Mingxia Liu
- Department
of Blood Transfusion, Shandong Provincial
Hospital Affiliated to Shandong First Medical University, Jinan 250021, P. R. China
| | - Tianduo Li
- Shandong
Provincial Key Laboratory of Molecular Engineering, School of Mathematics
and Statistics, Qilu University of Technology Library, Qilu University of Technology (Shandong Academy of
Sciences), Jinan 250353, P. R. China
| | - Jing Xu
- Shandong
Provincial Key Laboratory of Molecular Engineering, School of Mathematics
and Statistics, Qilu University of Technology Library, Qilu University of Technology (Shandong Academy of
Sciences), Jinan 250353, P. R. China
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64
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Nieves E, Vite G, Kozina A, Olguin LF. Ultrasound-assisted production and optimization of mini-emulsions in a microfluidic chip in continuous-flow. ULTRASONICS SONOCHEMISTRY 2021; 74:105556. [PMID: 33915482 PMCID: PMC8093933 DOI: 10.1016/j.ultsonch.2021.105556] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 04/03/2021] [Accepted: 04/12/2021] [Indexed: 05/10/2023]
Abstract
The use of ultrasound to generate mini-emulsions (50 nm to 1 μm in diameter) and nanoemulsions (mean droplet diameter < 200 nm) is of great relevance in drug delivery, particle synthesis and cosmetic and food industries. Therefore, it is desirable to develop new strategies to obtain new formulations faster and with less reagent consumption. Here, we present a polydimethylsiloxane (PDMS)-based microfluidic device that generates oil-in-water or water-in-oil mini-emulsions in continuous flow employing ultrasound as the driving force. A Langevin piezoelectric attached to the same glass slide as the microdevice provides enough power to create mini-emulsions in a single cycle and without reagents pre-homogenization. By introducing independently four different fluids into the microfluidic platform, it is possible to gradually modify the composition of oil, water and two different surfactants, to determine the most favorable formulation for minimizing droplet diameter and polydispersity, employing less than 500 µL of reagents. It was found that cavitation bubbles are the most important mechanism underlying emulsions formation in the microchannels and that degassing of the aqueous phase before its introduction to the device can be an important factor for reduction of droplet polydispersity. This idea is demonstrated by synthetizing solid polymeric particles with a narrow size distribution starting from a mini-emulsion produced by the device.
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Affiliation(s)
- Erick Nieves
- Laboratorio de Biofisicoquímica, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad de México 04510, Mexico
| | - Giselle Vite
- Instituto de Química, Universidad Nacional Autónoma de México, P. O. Box 70-213, Mexico City, Mexico
| | - Anna Kozina
- Instituto de Química, Universidad Nacional Autónoma de México, P. O. Box 70-213, Mexico City, Mexico
| | - Luis F Olguin
- Laboratorio de Biofisicoquímica, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad de México 04510, Mexico.
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65
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Abiev RS, Galushko AS. Bubbles size and mass transfer in a pulsating flow type apparatus with gas-liquid mixture. J Flow Chem 2021. [DOI: 10.1007/s41981-021-00177-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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66
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Liu C, Yang J, Guo BB, Agarwal S, Greiner A, Xu ZK. Interfacial Polymerization at the Alkane/Ionic Liquid Interface. Angew Chem Int Ed Engl 2021; 60:14636-14643. [PMID: 34010463 PMCID: PMC8252436 DOI: 10.1002/anie.202103555] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Indexed: 11/09/2022]
Abstract
Polymerization at the liquid–liquid interface has attracted much attention for synthesizing ultrathin polymer films for molecular sieving. However, it remains a major challenge to conduct this process outside the alkane–water interface since it not only suffers water‐caused side reactions but also is limited to water‐soluble monomers. Here, we report the interfacial polymerization at the alkane/ionic liquid interface (IP@AILI) where the ionic liquid acts as the universal solvent for diversified amines to synthesize task‐specific polyamide nanofilms. We propose that IP@AILI occurs when acyl chloride diffuses from the alkane into the ionic liquid instead of being triggered by the diffusion of amines as in the conventional alkane–water system, which is demonstrated by thermodynamic partitioning and kinetic monitoring. The prepared polyamide nanofilms with precisely adjustable pore sizes display unprecedented permeability and selectivity in various separation processes.
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Affiliation(s)
- Chang Liu
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Key Laboratory of Adsorption and Separation Materials & Technologies of Zhejiang Province, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Jing Yang
- College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou, 310036, China
| | - Bian-Bian Guo
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Key Laboratory of Adsorption and Separation Materials & Technologies of Zhejiang Province, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Seema Agarwal
- Macromolecular Chemistry and Bavarian Polymer Institute, University of Bayreuth, Universitatsstrasse 30, 95440, Bayreuth, Germany
| | - Andreas Greiner
- Macromolecular Chemistry and Bavarian Polymer Institute, University of Bayreuth, Universitatsstrasse 30, 95440, Bayreuth, Germany
| | - Zhi-Kang Xu
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Key Laboratory of Adsorption and Separation Materials & Technologies of Zhejiang Province, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China.,College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
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67
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Ku KH, McDonald BR, Vijayamohanan H, Zentner CA, Nagelberg S, Kolle M, Swager TM. Dynamic Coloration of Complex Emulsions by Localization of Gold Rings Near the Triphase Junction. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2007507. [PMID: 33605015 DOI: 10.1002/smll.202007507] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 01/06/2021] [Indexed: 06/12/2023]
Abstract
Multiphase microscale emulsions are a material platform that can be tuned and dynamically configured by a variety of chemical and physical phenomena, rendering them inexpensive and broadly programmable optical transducers. Interface engineering underpins many of these sensing schemes but typically focuses on manipulating a single interface, while engineering of the multiphase junctions of complex emulsions remains underexplored. Herein, multiphilic triblock copolymer surfactants are synthesized and assembled at the triphase junction of a dynamically reconfigurable biphasic emulsion. Tailoring the linear structure and composition of the polymer surfactants provides affinity to each phase of the complex emulsion (hydrocarbon, fluorocarbon, and continuous water phase), yielding selective localization of polymers around the triphase junction. Conjugation of these polymers with gold nanoparticles, forming structured rings, affords a dynamic reflected isotropic structural color that tracks with emulsion morphology, demonstrating the uniquely enabling nature of a functionalized triphase interface. This color is the result of interference of light along the internal hydrocarbon/fluorocarbon interface, with the gold nanoparticles scattering and redirecting light into total internal reflection competent paths. Thus, the functionalization of the triphase junction renders complex emulsions colorimetric sensors, a powerful tool toward sensitive and simple sensing platforms.
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Affiliation(s)
- Kang Hee Ku
- Department of Chemistry, Massachusetts Institute of Technology (MIT), 77 Massachusetts Ave., Cambridge, MA, 02139, USA
- Department of Chemical Engineering and Applied Chemistry, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Benjamin R McDonald
- Department of Chemistry, Massachusetts Institute of Technology (MIT), 77 Massachusetts Ave., Cambridge, MA, 02139, USA
| | - Harikrishnan Vijayamohanan
- Department of Chemistry, Massachusetts Institute of Technology (MIT), 77 Massachusetts Ave., Cambridge, MA, 02139, USA
| | - Cassandra A Zentner
- Department of Chemistry, Massachusetts Institute of Technology (MIT), 77 Massachusetts Ave., Cambridge, MA, 02139, USA
| | - Sara Nagelberg
- Department of Mechanical Engineering, Massachusetts Institute of Technology (MIT), 77 Massachusetts Ave., Cambridge, MA, 02139, USA
| | - Mathias Kolle
- Department of Mechanical Engineering, Massachusetts Institute of Technology (MIT), 77 Massachusetts Ave., Cambridge, MA, 02139, USA
| | - Timothy M Swager
- Department of Chemistry, Massachusetts Institute of Technology (MIT), 77 Massachusetts Ave., Cambridge, MA, 02139, USA
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68
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Zhu J, Zhang H, Wang C, Chen L, Zhu Q, Zhang Y, Ji D, Yang J, Cao Y, Li J. Nanostructure strengthened nanofilms self-regulating synthesize along with the oil-water interface to fabricate macroscopic nanomaterials. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2020.126114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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69
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Gu PY, Xie G, Kim PY, Chai Y, Wu X, Jiang Y, Xu QF, Liu F, Lu JM, Russell TP. Surfactant-Induced Interfacial Aggregation of Porphyrins for Structuring Color-Tunable Liquids. Angew Chem Int Ed Engl 2021; 60:2871-2876. [PMID: 33111473 DOI: 10.1002/anie.202012742] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Indexed: 12/13/2022]
Abstract
Locking nonequilibrium shapes of liquids into targeted architectures by interfacial jamming of nanoparticles is an emerging area in material science. 5,10,15,20-tetrakis(4-sulfonatophenyl) porphyrin (H6 TPPS) shows three different aggregation states that present an absorption imaging platform to monitor the assembly and jamming of supramolecular polymer surfactants (SPSs) at the liquid/liquid interface. The interfacial interconversion of H6 TPPS, specifically H4 TPPS2- dissolved in water, from J- to an H-aggregation was induced by strong electrostatic interactions with amine-terminated polystyrene dissolved in toluene at the water/toluene interface. This resulted in color-tunable liquids due to interfacial jamming of the SPSs formed between H4 TPPS2- and amine-terminated polystyrene. However, the formed SPSs cannot lock in nonequilibrium shapes of liquids. In addition, a self-wrinkling behavior was observed when amphiphilic triblock copolymers of PS-block-poly(2-vinylpyridine)-block-poly(ethylene oxide) were used to interact with H4 TPPS2- . Subsequently, the SPSs formed can lock in nonequilibrium shapes of liquids.
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Affiliation(s)
- Pei-Yang Gu
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation, Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215123, China.,Materials Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA
| | - Ganhua Xie
- Materials Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA
| | - Paul Y Kim
- Materials Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA
| | - Yu Chai
- Materials Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA.,Molecular Foundry, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA
| | - Xuefei Wu
- Materials Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA.,Polymer Science and Engineering Department, University of Massachusetts, Amherst, MA, 01003, USA.,Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Yufeng Jiang
- Materials Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA
| | - Qing-Feng Xu
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation, Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215123, China
| | - Feng Liu
- Department of Physics and Astronomy, Collaborative Innovation Center of IFSA (CICIFSA), Shanghai Jiaotong University, Shanghai, 200240, P. R. China
| | - Jian-Mei Lu
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation, Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215123, China
| | - Thomas P Russell
- Materials Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA.,Polymer Science and Engineering Department, University of Massachusetts, Amherst, MA, 01003, USA.,Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
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70
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Sipa K, Kowalewska K, Leniart A, Walcarius A, Herzog G, Skrzypek S, Poltorak L. Electrochemically assisted polyamide deposition at three-phase junction. Electrochem commun 2021. [DOI: 10.1016/j.elecom.2020.106910] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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71
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Zhang Y, Ettelaie R, Binks BP, Yang H. Highly Selective Catalysis at the Liquid–Liquid Interface Microregion. ACS Catal 2021. [DOI: 10.1021/acscatal.0c04604] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Yabin Zhang
- School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China
| | - Rammile Ettelaie
- Food Colloids Group, School of Food Science and Nutrition, University of Leeds, Leeds LS2 9JT, U.K
| | | | - Hengquan Yang
- School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China
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72
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Abstract
Bio-based lignin-like building blocks were synthesized and transformed into polyurethane nanocarriers by interfacial polymerization in a miniemulsion. The nanocarriers were degradable by fungal enzymes and might be used for agrochemical delivery.
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Affiliation(s)
- Sebastian J. Beckers
- Max-Planck-Institut für Polymerforschung (MPIP), Ackermannweg 10, 55128 Mainz, Germany
| | - Jochen Fischer
- IBWF gGmbH, Institute for Biotechnology and Drug Research, Erwin-Schrödinger-Str. 56, 67663 Kaiserslautern, Germany
| | - Frederik R. Wurm
- Sustainable Polymer Chemistry, Department of Molecules and Materials, MESA+ Institute for Nanotechnology, Faculty of Science and Technology, Universiteit Twente, PO Box 217, 7500 AE Enschede, The Netherlands
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73
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Beckers S, Peil S, Wurm FR. Pesticide-Loaded Nanocarriers from Lignin Sulfonates-A Promising Tool for Sustainable Plant Protection. ACS SUSTAINABLE CHEMISTRY & ENGINEERING 2020; 8:18468-18475. [PMID: 33381356 PMCID: PMC7756456 DOI: 10.1021/acssuschemeng.0c05897] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 11/10/2020] [Indexed: 05/04/2023]
Abstract
Lignin is a promising feedstock in sustainable formulations for agrochemicals not only because of its biodegradability but also because the biopolymer occurs naturally in the cell wall of plants and therefore is renewable and abundant. We used different lignin sulfonates to prepare stable aqueous dispersions of lignin nanocarriers loaded with agrochemicals by interfacial cross-linking in a direct miniemulsion. Despite the differences in structure and functionality, different lignin sulfonates were successfully methacrylated and degrees of methacrylation (>70%) were achieved. The resulting methacrylated lignin sulfonates were water-soluble and exhibited interfacial activity; they were used as reactive surfactants to stabilize oil droplets (cyclohexane or olive or rapeseed oil) loaded with a dithiol cross-linker [EDBET, 2,2'-(ethylenedioxy)bis(ethylthiol)] and a hydrophobic cargo (the fluorescent dye 1,3,5,7-tetramethyl-8-phenyl-4,4-difluoroboradiazaindacene or the commercial fungicides prothioconazole and pyraclostrobin). After the addition of a water-soluble base, the thia-Michael addition was initiated at the droplet interface and produced lignin sulfonate nanocarriers with a core-shell structure within oily core and a cross-linked shell. Nanocarriers with diameters of ca. 200-300 nm were prepared; encapsulation efficiencies between 65 and 90% were achieved depending on the cargo. When the amount of the cross-linker was varied, the resulting lignin nanocarriers allowed a controlled release of loaded cargo by diffusion over a period of several days. The strategy proves the potential of lignin sulfonates as a feedstock for delivery systems for advanced plant protection.
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Affiliation(s)
- Sebastian Beckers
- Max-Planck-Institut
für Polymerforschung, Ackermannweg 10, 55128 Mainz, Germany
| | - Stefan Peil
- Max-Planck-Institut
für Polymerforschung, Ackermannweg 10, 55128 Mainz, Germany
| | - Frederik R. Wurm
- Max-Planck-Institut
für Polymerforschung, Ackermannweg 10, 55128 Mainz, Germany
- Sustainable
Polymer Chemistry Group, MESA+ Institute for Nanotechnology, Faculty
of Science and Technology, Universiteit
Twente, P.O. Box 217, 7500
AE Enschede, The Netherlands
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74
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Gu P, Xie G, Kim PY, Chai Y, Wu X, Jiang Y, Xu Q, Liu F, Lu J, Russell TP. Surfactant‐Induced Interfacial Aggregation of Porphyrins for Structuring Color‐Tunable Liquids. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202012742] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Pei‐Yang Gu
- College of Chemistry, Chemical Engineering and Materials Science Collaborative Innovation Center of Suzhou Nano Science and Technology Soochow University Suzhou 215123 China
- Materials Sciences Division Lawrence Berkeley National Laboratory 1 Cyclotron Road Berkeley CA 94720 USA
| | - Ganhua Xie
- Materials Sciences Division Lawrence Berkeley National Laboratory 1 Cyclotron Road Berkeley CA 94720 USA
| | - Paul Y. Kim
- Materials Sciences Division Lawrence Berkeley National Laboratory 1 Cyclotron Road Berkeley CA 94720 USA
| | - Yu Chai
- Materials Sciences Division Lawrence Berkeley National Laboratory 1 Cyclotron Road Berkeley CA 94720 USA
- Molecular Foundry Lawrence Berkeley National Laboratory 1 Cyclotron Road Berkeley CA 94720 USA
| | - Xuefei Wu
- Materials Sciences Division Lawrence Berkeley National Laboratory 1 Cyclotron Road Berkeley CA 94720 USA
- Polymer Science and Engineering Department University of Massachusetts Amherst MA 01003 USA
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering Beijing University of Chemical Technology Beijing 100029 China
| | - Yufeng Jiang
- Materials Sciences Division Lawrence Berkeley National Laboratory 1 Cyclotron Road Berkeley CA 94720 USA
| | - Qing‐Feng Xu
- College of Chemistry, Chemical Engineering and Materials Science Collaborative Innovation Center of Suzhou Nano Science and Technology Soochow University Suzhou 215123 China
| | - Feng Liu
- Department of Physics and Astronomy Collaborative Innovation Center of IFSA (CICIFSA) Shanghai Jiaotong University Shanghai 200240 P. R. China
| | - Jian‐Mei Lu
- College of Chemistry, Chemical Engineering and Materials Science Collaborative Innovation Center of Suzhou Nano Science and Technology Soochow University Suzhou 215123 China
| | - Thomas P. Russell
- Materials Sciences Division Lawrence Berkeley National Laboratory 1 Cyclotron Road Berkeley CA 94720 USA
- Polymer Science and Engineering Department University of Massachusetts Amherst MA 01003 USA
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering Beijing University of Chemical Technology Beijing 100029 China
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75
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Zhang F, Fan J, Wang S. Grenzflächenpolymerisation: Von der Chemie zu funktionellen Materialien. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201916473] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Feilong Zhang
- CAS Key Laboratory of Bio-inspired Materials and Interfacial Science CAS Center for Excellence in Nanoscience Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Jun‐bing Fan
- CAS Key Laboratory of Bio-inspired Materials and Interfacial Science CAS Center for Excellence in Nanoscience Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Shutao Wang
- CAS Key Laboratory of Bio-inspired Materials and Interfacial Science CAS Center for Excellence in Nanoscience Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
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76
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Beckers SJ, Wetherbee L, Fischer J, Wurm FR. Fungicide-loaded and biodegradable xylan-based nanocarriers. Biopolymers 2020; 111:e23413. [PMID: 33306838 PMCID: PMC7816251 DOI: 10.1002/bip.23413] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 11/26/2020] [Accepted: 11/30/2020] [Indexed: 01/05/2023]
Abstract
The delivery of agrochemicals is typically achieved by the spraying of fossil-based polymer dispersions, which might accumulate in the soil and increase microplastic pollution. A potentially sustainable alternative is the use of biodegradable nano- or micro-formulations based on biopolymers, which can be degraded selectively by fungal enzymes to release encapsulated agrochemicals. To date, no hemicellulose nanocarriers for drug delivery in plants have been reported. Xylan is a renewable and abundant feedstock occurring naturally in high amounts in hemicellulose - a major component of the plant cell wall. Herein, xylan from corncobs was used to produce the first fungicide-loaded xylan-based nanocarriers by interfacial polyaddition in an inverse miniemulsion using toluene diisocyanate (TDI) as a crosslinking agent. The nanocarriers were redispersed in water and the aqueous dispersions were proven to be active in vitro against several pathogenic fungi, which are responsible for fungal plant diseases in horticulture or agriculture. Besides, empty xylan-based nanocarriers stimulated the growth of fungal mycelium, which indicated the degradation of xylan in the presence of the fungi, and underlined the degradation as a trigger to release a loaded agrochemical. This first example of crosslinked xylan-based nanocarriers expands the library of biodegradable and biobased nanocarriers for agrochemical release and might play a crucial role for future formulations in plant protection.
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Affiliation(s)
- Sebastian J. Beckers
- Physical Chemistry of PolymersMax‐Planck‐Institut für PolymerforschungMainzGermany
| | - Luc Wetherbee
- Physical Chemistry of PolymersMax‐Planck‐Institut für PolymerforschungMainzGermany
| | - Jochen Fischer
- IBWF gGmbHInstitute for Biotechnology and Drug ResearchKaiserslauternGermany
| | - Frederik R. Wurm
- Sustainable Polymer Chemistry Group, MESA+ Institute for Nanotechnology, Faculty of Science and TechnologyUniversiteit TwenteEnschedeThe Netherlands
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77
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Ramya S, Nataraj D, Krishnan S, Premkumar S, Thrupthika T, Sangeetha A, Senthilkumar K, Thangadurai TD. Aggregation induced emission behavior in oleylamine acetone system and its application to get improved photocurrent from In 2S 3 quantum dots. Sci Rep 2020; 10:19712. [PMID: 33184365 PMCID: PMC7661720 DOI: 10.1038/s41598-020-76703-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 09/22/2020] [Indexed: 11/09/2022] Open
Abstract
Blue emission giving nanoscale molecular clusters of Oleylamine-Acetone system was formed by an aging assisted hydrogen bond formation between the interacting molecular systems, at room temperature. The as-formed nanoscale molecular clusters were found to be self-assembled into flower-like aggregates and shifted the emission wavelength to red colour depicting an exciton delocalization in the aggregate system. Interestingly aging process has also produced imine type binding between Oleylamine and Acetone due to the condensation reaction. The experimental conditions and formation mechanism of hydrogen bond assisted Oleylamine-Acetone molecular aggregates and imine bond assisted Oleylamine-Acetone is elaborated in this paper in a systematic experimental approach with suitable theory. Finally we have introduced this Acetone assisted aging process in In2S3 QD system prepared with Oleylamine as functional molecules. It was found that the aging process has detached Oleylamine from QD surface and as a consequence In2S3 QD embedded Oleylamine-Acetone aggregates was obtained. When this In2S3 QD embedded molecular cluster system was used as an active layer in a photo conductor device then a maximum photo current value of the order of milli Ampere was obtained. The surfactant molecules normally inhibit the charge transport between QD systems and as a result it is always problematic to have the functional molecules in the QD based transport devices. Our approach has a solution to this problem and the present paper discusses the outcome of the results in detail.
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Affiliation(s)
- Subramaniam Ramya
- Quantum Materials and Devices Laboratory, Department of Physics, Bharathiar University, Coimbatore, Tamil Nadu, 641046, India
| | - Devaraj Nataraj
- Quantum Materials and Devices Laboratory, Department of Physics, Bharathiar University, Coimbatore, Tamil Nadu, 641046, India.
- UGC-CPEPA Centre for Advanced Studies in Physics for the Development of Solar Energy Materials and Devices, Department of Physics, Bharathiar University, Coimbatore, Tamil Nadu, 641046, India.
| | - Sangameswaran Krishnan
- Molecular Quantum Mechanics Laboratory, Department of Physics, Bharathiar University, Coimbatore, Tamil Nadu, 641046, India
| | - Sellan Premkumar
- Quantum Materials and Devices Laboratory, Department of Physics, Bharathiar University, Coimbatore, Tamil Nadu, 641046, India
- School of Chemistry and Chemical Engineering, Tiangong University, Tianjin, 300387, China
- School of Material Science and Engineering, Tiangong University, Tianjin, 300387, China
| | - Thankappan Thrupthika
- Quantum Materials and Devices Laboratory, Department of Physics, Bharathiar University, Coimbatore, Tamil Nadu, 641046, India
| | - Arumugam Sangeetha
- Quantum Materials and Devices Laboratory, Department of Physics, Bharathiar University, Coimbatore, Tamil Nadu, 641046, India
| | - Kittusamy Senthilkumar
- Molecular Quantum Mechanics Laboratory, Department of Physics, Bharathiar University, Coimbatore, Tamil Nadu, 641046, India
| | - T Daniel Thangadurai
- Department of Nanoscience and Technology, Sri Ramakrishna Engineering College, Coimbatore, Tamil Nadu, 641022, India
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78
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Amadei F, Thoma J, Czajor J, Kimmle E, Yamamoto A, Abuillan W, Konovalov OV, Chushkin Y, Tanaka M. Ion-Mediated Cross-linking of Biopolymers Confined at Liquid/Liquid Interfaces Probed by In Situ High-Energy Grazing Incidence X-ray Photon Correlation Spectroscopy. J Phys Chem B 2020; 124:8937-8942. [PMID: 32876453 DOI: 10.1021/acs.jpcb.0c07056] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
As manifested in biological cell membranes, the confinement of chemical reactions at the 2D interfaces significantly improves the reaction efficacy. The interface between two liquid phases is used in various key processes in industries, such as in food emulsification and floatation. However, monitoring the changes in the mechanics and dynamics of molecules confined at the liquid/liquid interfaces still remains a scientific challenge because it is nontrivial to access the interface buried under a liquid phase. Herein, we report the in situ monitoring of the cross-linking of polyalginate mediated by Ca2+ ions at the oil/water interface by grazing incidence X-ray photon correlation spectroscopy (GIXPCS). We first optimized the reaction conditions with the aid of interfacial shear rheology and then performed GIXPCS using a high-energy synchrotron X-ray beam (22 keV) that guarantees sufficiently high transmittance through the oil phase. The intensity autocorrelation functions implied that the formation of a percolated network of polyalginate is accompanied by increasing relaxation time. Moreover, the relaxation rate scales linearly with the momentum transfer parallel to the interface, suggesting that the process is driven by hyperdiffusive propagation but not by Brownian diffusion. Our data indicated that high-energy GIXPCS has potential for in situ monitoring of changes in the dynamics of polymers confined between two liquid phases.
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Affiliation(s)
- Federico Amadei
- Physical Chemistry of Biosystems, Institute of Physical Chemistry, Heidelberg University, Heidelberg 69120, Germany
| | - Judith Thoma
- Physical Chemistry of Biosystems, Institute of Physical Chemistry, Heidelberg University, Heidelberg 69120, Germany
| | - Julian Czajor
- Physical Chemistry of Biosystems, Institute of Physical Chemistry, Heidelberg University, Heidelberg 69120, Germany
| | - Esther Kimmle
- Physical Chemistry of Biosystems, Institute of Physical Chemistry, Heidelberg University, Heidelberg 69120, Germany
| | - Akihisa Yamamoto
- Center for Integrative Medicine and Physics, Institute for Advanced Study, Kyoto University, Kyoto 606-8501, Japan
| | - Wasim Abuillan
- Physical Chemistry of Biosystems, Institute of Physical Chemistry, Heidelberg University, Heidelberg 69120, Germany
| | - Oleg V Konovalov
- European Synchrotron Radiation Facility, CS 40220, Grenoble 38043, France
| | - Yuriy Chushkin
- European Synchrotron Radiation Facility, CS 40220, Grenoble 38043, France
| | - Motomu Tanaka
- Physical Chemistry of Biosystems, Institute of Physical Chemistry, Heidelberg University, Heidelberg 69120, Germany.,Center for Integrative Medicine and Physics, Institute for Advanced Study, Kyoto University, Kyoto 606-8501, Japan
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79
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Zhang F, Fan JB, Wang S. Interfacial Polymerization: From Chemistry to Functional Materials. Angew Chem Int Ed Engl 2020; 59:21840-21856. [PMID: 32091148 DOI: 10.1002/anie.201916473] [Citation(s) in RCA: 94] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Indexed: 11/07/2022]
Abstract
Interfacial polymerization, where a chemical reaction is confined at the liquid-liquid or liquid-air interface, exhibits a strong advantage for the controllable fabrication of films, capsules, and fibers for use as separation membranes and electrode materials. Recent developments in technology and polymer chemistry have brought new vigor to interfacial polymerization. Here, we consider the history of interfacial polymerization in terms of the polymerization types: interfacial polycondensation, interfacial polyaddition, interfacial oxidative polymerization, interfacial polycoordination, interfacial supramolecular polymerization, and some others. The accordingly emerging functional materials are highlighted, as well as the challenges and opportunities brought by new technologies for interfacial polymerization. Interfacial polymerization will no doubt keep on developing and producing a series of fascinating functional materials.
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Affiliation(s)
- Feilong Zhang
- CAS Key Laboratory of Bio-inspired Materials and Interfacial Science, CAS Center for Excellence in Nanoscience, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Jun-Bing Fan
- CAS Key Laboratory of Bio-inspired Materials and Interfacial Science, CAS Center for Excellence in Nanoscience, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Shutao Wang
- CAS Key Laboratory of Bio-inspired Materials and Interfacial Science, CAS Center for Excellence in Nanoscience, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
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80
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Ceriani C, Ghiglietti E, Sassi M, Mattiello S, Beverina L. Taming Troublesome Suzuki–Miyaura Reactions in Water Solution of Surfactants by the Use of Lecithin: A Step beyond the Micellar Model. Org Process Res Dev 2020. [DOI: 10.1021/acs.oprd.0c00285] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Chiara Ceriani
- Department of Materials Science, University of Milano-Bicocca, Via R. Cozzi 55, Milano 20125, Italy
| | - Erika Ghiglietti
- Department of Materials Science, University of Milano-Bicocca, Via R. Cozzi 55, Milano 20125, Italy
| | - Mauro Sassi
- Department of Materials Science, University of Milano-Bicocca, Via R. Cozzi 55, Milano 20125, Italy
| | - Sara Mattiello
- Department of Materials Science, University of Milano-Bicocca, Via R. Cozzi 55, Milano 20125, Italy
| | - Luca Beverina
- Department of Materials Science, University of Milano-Bicocca and INSTM, Via R. Cozzi 55, Milano 20125, Italy
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81
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Pd/[C2NH2mim][Br] Thin Film Versus Pd/[C8mim][Cl] or Pd/[C8mim][BF4]: Catalytic Applications in Electrooxidation of Methanol, p-Nitrophenol Reduction and C–C Coupling Reaction. J Inorg Organomet Polym Mater 2020. [DOI: 10.1007/s10904-020-01514-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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82
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Gao P, Yang X, Tartakovsky AM. Learning Coarse-Grained Potentials for Binary Fluids. J Chem Inf Model 2020; 60:3731-3745. [PMID: 32668158 DOI: 10.1021/acs.jcim.0c00337] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
For a multiple-fluid system, CG models capable of accurately predicting the interfacial properties as a function of curvature are still lacking. In this work, we propose a new probabilistic machine learning (ML) model for learning CG potentials for binary fluids. The water-hexane mixture is selected as a typical immiscible binary liquid-liquid system. We develop a new CG force field (FF) using the Shinoda-DeVane-Klein (SDK) FF framework and compute parameters in this CG FF using the proposed probabilistic ML method. It is shown that a standard response-surface approach does not provide a unique set of parameters, as it results in a loss function with multiple shallow minima. To address this challenge, we develop a probabilistic ML approach where we compute the probability density function (PDF) of parameters that minimize the loss function. The PDF has a well-defined peak corresponding to a unique set of parameters in the CG FF that reproduces the desired properties of a liquid-liquid interface. We compare the performance of the new CG FF with several existing FFs for the water-hexane mixture, including two atomistic and three CG FFs with respect to modeling the interface structure and thermodynamic properties. It is demonstrated that the new FF significantly improves the CG model prediction of both the interfacial tension and structure for the water-hexane mixture.
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Affiliation(s)
- Peiyuan Gao
- Advanced Computing, Mathematics, and Data Division, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Xiu Yang
- Department of Industrial and Systems Engineering, Lehigh University, Bethlehem, Pennsylvania 18015, United States
| | - Alexandre M Tartakovsky
- Advanced Computing, Mathematics, and Data Division, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
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83
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Rastgar S, Teixeira Santos K, Angelucci CA, Wittstock G. Catalytic Activity of Alkali Metal Cations for the Chemical Oxygen Reduction Reaction in a Biphasic Liquid System Probed by Scanning Electrochemical Microscopy. Chemistry 2020; 26:10882-10890. [PMID: 32460434 PMCID: PMC7496973 DOI: 10.1002/chem.202001967] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 05/24/2020] [Indexed: 12/01/2022]
Abstract
Chemical reduction of dioxygen in organic solvents for the production of reactive oxygen species or the concomitant oxidation of organic substrates can be enhanced by the separation of products and educts in biphasic liquid systems. Here, the coupled electron and ion transfer processes is studied as well as reagent fluxes across the liquid|liquid interface for the chemical reduction of dioxygen by decamethylferrocene (DMFc) in a dichloroethane-based organic electrolyte forming an interface with an aqueous electrolyte containing alkali metal ions. This interface is stabilized at the orifice of a pipette, across which a Galvani potential difference is externally applied and precisely adjusted to enforce the transfer of different alkali metal ions from the aqueous to the organic electrolyte. The oxygen reduction is followed by H2 O2 detection in the aqueous phase close to the interface by a microelectrode of a scanning electrochemical microscope (SECM). The results prove a strong catalytic effect of hydrated alkali metal ions on the formation rate of H2 O2 , which varies systematically with the acidity of the transferred alkali metal ions in the organic phase.
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Affiliation(s)
- Shokoufeh Rastgar
- Carl von Ossietzky University of OldenburgChemistry Department261111OldenburgGermany
| | - Keyla Teixeira Santos
- Carl von Ossietzky University of OldenburgChemistry Department261111OldenburgGermany
- Federal University of ABCCenter for Natural and Human SciencesAv. dos Estados 500109210-580Santo André/SPBrazil
| | - Camilo Andrea Angelucci
- Federal University of ABCCenter for Natural and Human SciencesAv. dos Estados 500109210-580Santo André/SPBrazil
| | - Gunther Wittstock
- Carl von Ossietzky University of OldenburgChemistry Department261111OldenburgGermany
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84
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Redox-active, luminescent coordination nanosheet capsules containing magnetite. Sci Rep 2020; 10:13818. [PMID: 32796883 PMCID: PMC7429495 DOI: 10.1038/s41598-020-70715-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Accepted: 07/13/2020] [Indexed: 11/09/2022] Open
Abstract
Two-dimensional coordination nanosheets (CONASHs) are grown at the spherical liquid–liquid interface of a dichloromethane droplet in water to form zero-dimensional nano- and micro-capsules using a simple dropping method, a syringe-pump method, and an emulsion method. Reaction of 1,3,5-tris[4-(4′-2,2′:6′,2″-terpyridyl)phenyl]benzene (1) with Fe(BF4)2 affords electrochromic Fe(tpy)2 CONASH capsules and that of ligand 1 with ZnSO4 does photoluminescent Zn2(μ-O2SO2)2(tpy)2 CONASH capsules. Fe(tpy)2 CONASH capsules containing magnetite particles were produced by the syringe-pump method by adding magnetite to the aqueous phase, with the assembly and dispersion of the magnetite-containing CONASH capsules being easily controlled with a magnet. This indicates that physicochemically functional CONASH capsules are suitable for incorporating other functional materials to develop hybrid systems.
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85
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Muñoz‐Espí R, Landfester K. Low-Temperature Miniemulsion-Based Routes for Synthesis of Metal Oxides. Chemistry 2020; 26:9304-9313. [PMID: 32441349 PMCID: PMC7496421 DOI: 10.1002/chem.202001246] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Indexed: 11/26/2022]
Abstract
The use of miniemulsions containing chemical precursors in the disperse phase is a versatile method to produce nanoparticles and nanostructures of different chemical nature, including not only polymers, but also a variety of inorganic materials. This Minireview focuses on materials in which nanostructures of metal oxides are synthesized in processes that involve the miniemulsion technique in any of the steps. This includes in the first place those approaches in which the spaces provided by nanodroplets are directly used to confine precipitation reactions that lead eventually to oxides. On the other hand, miniemulsions can also be used to form functionalized polymer nanoparticles that can serve either as supports or as controlling agents for the synthesis of metal oxides. Herein, the description of essential aspects of the methods is combined with the most representative examples reported in the last years for each strategy.
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Affiliation(s)
- Rafael Muñoz‐Espí
- Institute of Materials Science (ICMUV)Universitat de Valènciac/ Catedràtic José Beltrán 246980PaternaSpain
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86
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Bielski R, Witczak ZJ, Newport JFL. Carbohydrate-Based Micro/Nanocapsules With Controlled External Surface for Medical Applications. Front Chem 2020; 8:545. [PMID: 32676496 PMCID: PMC7333594 DOI: 10.3389/fchem.2020.00545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Accepted: 05/27/2020] [Indexed: 11/26/2022] Open
Abstract
Micro/nanocapsules would have many more applications if we were able to controllably populate their surface with various chemical moieties. The present review introduces a novel variant of interfacial polymerization (IP) as a very robust method of manufacturing reservoir micro/nanocapsules equipped with several different functionalities on the capsules' surface. We call the method—IPCESCO (Interfacial Polymerization for Capsules' External Surface Control). As always in IP, the capsules' forming reaction is between monomers dissolved in opposite phases (oil or water) and takes place at the interface. Each monomer carries two or more functionalities reacting with functional groups of the monomer dissolved in the other phase. IPCESCO requires that one or both monomers are additionally equipped with (protected) functional groups interfering neither with the payload nor with the polymer formation. These additional groups end up everywhere in the polymeric shell but most importantly they are present on the external surface of capsules. These “handles” allow for the introduction of various moieties onto the capsules' surface. Since carbohydrate chemists developed a plurality of protecting and deprotecting methods for various functional groups such as aldehyde and hydroxyl, modified mono, and oligosaccharides are particularly well-suited to act as monomers in IPCESCO. The article discusses possible monomers and their synthesis, the transformation of protected reactive groups on the external capsules' surface into the desired functionalities, the control of the number of moieties on the surface and the capsules surface's architecture. The most important application of the novel encapsulation technology is in drug delivery. Possible surface units facilitating capsules' transport in the body, delivery to specific locations and mechanisms of capsules rupture are also addressed. Other applications of novel capsules include an ultra-sensitive quantitation and removal of pathogens, transport of nutrients in plants, detection of various antigens and other parameters in single cells.
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Affiliation(s)
- Roman Bielski
- Department of Pharmaceutical Sciences, Wilkes University, Wilkes Barre, PA, United States
| | - Zbigniew J Witczak
- Department of Pharmaceutical Sciences, Wilkes University, Wilkes Barre, PA, United States
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87
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Alkanawati M, da Costa Marques R, Mailänder V, Landfester K, Thérien-Aubin H. Polysaccharide-Based pH-Responsive Nanocapsules Prepared with Bio-Orthogonal Chemistry and Their Use as Responsive Delivery Systems. Biomacromolecules 2020; 21:2764-2771. [PMID: 32530606 PMCID: PMC7467571 DOI: 10.1021/acs.biomac.0c00492] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 06/09/2020] [Indexed: 12/22/2022]
Abstract
Bio-orthogonal reactions have become an essential tool to prepare biomaterials; for example, in the synthesis of nanocarriers, bio-orthogonal chemistry allows circumventing common obstacles related to the encapsulation of delicate payloads or the occurrence of uncontrolled side reactions, which significantly limit the range of potential payloads to encapsulate. Here, we report a new approach to prepare pH-responsive nanocarriers using dynamic bio-orthogonal chemistry. The reaction between a poly(hydrazide) crosslinker and functionalized polysaccharides was used to form a pH-responsive hydrazone network. The network formation occurred at the interface of aqueous nanodroplets in miniemulsion and led to the production of nanocapsules that were able to encapsulate payloads of different molecular weights. The resulting nanocapsules displayed low cytotoxicity and were able to release the encapsulated payload, in a controlled manner, under mildly acidic conditions.
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Affiliation(s)
| | - Richard da Costa Marques
- Max
Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
- Department
of Dermatology, University Medical Center
of the Johannes Gutenberg University Mainz, Langenbeckstr. 1, Mainz 55131, Germany
| | - Volker Mailänder
- Max
Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
- Department
of Dermatology, University Medical Center
of the Johannes Gutenberg University Mainz, Langenbeckstr. 1, Mainz 55131, Germany
| | - Katharina Landfester
- Max
Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
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88
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Kowalewska K, Sipa K, Leniart A, Skrzypek S, Poltorak L. Electrochemistry at the liquid–liquid interface rediscovers interfacial polycondensation of nylon-6,6. Electrochem commun 2020. [DOI: 10.1016/j.elecom.2020.106732] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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89
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All-aqueous emulsions as miniaturized chemical reactors in the food and bioprocess technology. Curr Opin Food Sci 2020. [DOI: 10.1016/j.cofs.2020.06.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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90
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Ng YM, Mat Yusuf SNA, Chiu HI, Lim V. Redox-Sensitive Linear and Cross-Linked Cystamine-Based Polymers for Colon-Targeted Drug Delivery: Design, Synthesis, and Characterisation. Pharmaceutics 2020; 12:pharmaceutics12050461. [PMID: 32443633 PMCID: PMC7284438 DOI: 10.3390/pharmaceutics12050461] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 04/22/2020] [Accepted: 04/23/2020] [Indexed: 12/14/2022] Open
Abstract
Cystamine-based polymers may help to achieve controlled and targeted drug delivery to the colon due to their susceptibility to breakage of the disulfide linkage in the low redox potential environment of the colon. In this study, two linear cystamine-based polymers with similar repeating units (LP1 and LP2) and a cross-linked cystamine-based polymer (BP) were synthesised and their kinetics and the various physical conditions underlying cystamine-based polymerisation were evaluated. In brief, N1,N6-bis(2-(tritylthio)ethyl)adipamide (2) was synthesised from the reaction of triphenylmethanol and cysteamine. Next, the trityl group of 2 was removed with trifluoroacetic acid and triethylsilane before proceeding to oxidative polymerisation of the end product, N1,N6-bis(2-mercaptoethyl)adipamide (3) to LP1. The Schotten-Bauman reaction was applied to synthesise LP2 and BP from the reaction of cystamine with adipoyl chloride or trimesoyl chloride. Scanning electron microscopy, energy-dispersive X-ray spectroscopy, and mapping showed that oxygen, nitrogen, sulfur, and carbon were homogenously distributed in the polymers, with LP2 and BP having less porous morphologies compared to LP1. Results of zinc-acetic acid reduction showed that all polymers began to reduce after 15 min. Moreover, all synthesised polymers resisted stomach and small intestine conditions and only degraded in the presence of bacteria in the colon environment. Thus, these polymers have great potential for drug delivery applications. LP2 and BP, which were synthesised using the Schotten-Bauman reaction, were more promising than LP1 for colon-targeted drug delivery.
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Affiliation(s)
- Yoke Mooi Ng
- Integrative Medicine Cluster, Advanced Medical and Dental Institute, Universiti Sains Malaysia, Bertam, Kepala Batas 13200, Penang, Malaysia; (Y.M.N.); (S.N.A.M.Y.); (H.I.C.)
| | - Siti Nur Aishah Mat Yusuf
- Integrative Medicine Cluster, Advanced Medical and Dental Institute, Universiti Sains Malaysia, Bertam, Kepala Batas 13200, Penang, Malaysia; (Y.M.N.); (S.N.A.M.Y.); (H.I.C.)
- Department of Chemical Engineering Technology, Faculty of Engineering Technology, UniCITI Alam Campus, Universiti Malaysia Perlis, Padang Besar 02100, Perlis, Malaysia
| | - Hock Ing Chiu
- Integrative Medicine Cluster, Advanced Medical and Dental Institute, Universiti Sains Malaysia, Bertam, Kepala Batas 13200, Penang, Malaysia; (Y.M.N.); (S.N.A.M.Y.); (H.I.C.)
| | - Vuanghao Lim
- Integrative Medicine Cluster, Advanced Medical and Dental Institute, Universiti Sains Malaysia, Bertam, Kepala Batas 13200, Penang, Malaysia; (Y.M.N.); (S.N.A.M.Y.); (H.I.C.)
- Correspondence: ; Tel.: +604-5622427
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91
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Fine tuning of surface properties of SiO2 nanoparticles for the regulation of Pickering emulsions. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.124603] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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92
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Affiliation(s)
- Cuong Minh Quoc Le
- Université de Haute-Alsace, CNRS, IS2M UMR7361, F-68100 Mulhouse, France
- Université de Strasbourg, 67034 Strasbourg Cedex 2, France
| | - Marc Schmutz
- Institut Charles Sadron, CNRS, UPR 22, University of Strasbourg, 23 Rue du Loess, BP 84047, 67034 Strasbourg Cedex 2, France
| | - Abraham Chemtob
- Université de Haute-Alsace, CNRS, IS2M UMR7361, F-68100 Mulhouse, France
- Université de Strasbourg, 67034 Strasbourg Cedex 2, France
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93
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In-situ preparation of hollow cellulose nanocrystals/zeolitic imidazolate framework hybrid microspheres derived from Pickering emulsion. J Colloid Interface Sci 2020; 572:160-169. [PMID: 32240789 DOI: 10.1016/j.jcis.2020.03.076] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 02/27/2020] [Accepted: 03/22/2020] [Indexed: 12/14/2022]
Abstract
In situ interfacial growth of nanoparticles induced by a Pickering emulsion is recognized as a practical method for the fabrication of hollow composites. Herein, hybrid hollow microspheres were prepared using cellulose nanocrystals (CNCs) emulsified water-dodecane system as a template. The hybrid microspheres were composed of zeolitic imidazolate framework-8 (ZIF-8) shells and CNCs surface-layers. ZIF-8 crystals formed and grew at the oil-water interface with a low ligand/metal ion molar ratio. The composite microspheres owned rich porous structure with a high surface area of 1240 m2 g-1 and performed obvious hydrophilicity owing to the role of CNCs layers. The two characters offered CNCs/ZIF-8 composite materials with very prominent adsorption capacity towards dyes (1060.2 mg g-1 for malachite green). Carbonization of CNCs/ZIF-8 composite materials afford ZIF-8 based materials more effective removal of methylene blue from water under sunlight, owing to the photocatalytic role of ZnO remained in carbonized product. This research paves the way to realize a variety of hollow CNCs/ZIFs hybrid materials for different application purposes.
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94
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Deringer T, Drummer D. The influence of mold temperature on thermoset in-mold forming. JOURNAL OF POLYMER ENGINEERING 2020. [DOI: 10.1515/polyeng-2019-0322] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractA new process, called thermoset in-mold forming, for combining thermoset master forming and thermoset forming in one mold is in development. A pre-impregnated continuous-fiber reinforced sheet based on epoxy (prepreg) is formed in the injection molding machine, followed by instantaneous overmolding of a short-fiber reinforced epoxy compound in one step. Compared with conventional processes in which thermoset injection molding, prepreg compression molding, and hence curing of the materials are separated, the new process allows for the combination in one step and simultaneous curing of both components. The result is a hybrid component, which features a continuous-fiber reinforced part for higher mechanical performance and a short-fiber reinforced part with high design freedom for integration of additional functions. For a successful combination of both materials in one process, it is essential to investigate the bond strength between them in relation to the processing parameters and their influence on the degree of cure. This paper analyzes the influence of the mold temperature in this process on curing degree, bond strength, and the processing viscosity.
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Affiliation(s)
- Tim Deringer
- Institute of Polymer Technology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Am Weichselgarten 9, 91058 Erlangen, Germany
| | - Dietmar Drummer
- Institute of Polymer Technology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Am Weichselgarten 9, 91058 Erlangen, Germany
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95
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Shi W, Chen X, Li B, Weitz DA. Spontaneous Creation of Anisotropic Polymer Crystals with Orientation-Sensitive Birefringence in Liquid Drops. ACS APPLIED MATERIALS & INTERFACES 2020; 12:3912-3918. [PMID: 31909961 DOI: 10.1021/acsami.9b17308] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
It remains a grand challenge to prepare anisotropic crystal superstructures with sensitive optical properties in polymer science and materials field. This study demonstrates that semicrystalline polymers develop into anisotropic hollow spherulitic crystals spontaneously at interfaces of liquid drops. In contrast to conventional spherulites with centrosymmetric optics and grain boundaries, these anisotropic spherulitic crystals have vanished boundary defects, tunable aspect ratios, and noncentrosymmetric, orientation-sensitive birefringence. The experimental finding is elaborated in poly(l-lactic acid) crystals and is further verified in a broad class of semicrystalline polymers, irrespective of molecular chirality, chemical constitution, or interfacial modification. The facile methods and general mechanism revealed in this study shed light on developing new types of optical microdevices and synthesis of anisotropic semicrystalline particles from liquid emulsions.
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Affiliation(s)
- Weichao Shi
- Key Laboratory of Functional Polymer Materials (Ministry of Education) , Nankai University , Tianjin 300071 , China
- Institute of Polymer Chemistry, College of Chemistry , Nankai University , Tianjin 300071 , China
| | - Xiaotong Chen
- Key Laboratory of Functional Polymer Materials (Ministry of Education) , Nankai University , Tianjin 300071 , China
- Institute of Polymer Chemistry, College of Chemistry , Nankai University , Tianjin 300071 , China
| | - Baihui Li
- Key Laboratory of Functional Polymer Materials (Ministry of Education) , Nankai University , Tianjin 300071 , China
- Institute of Polymer Chemistry, College of Chemistry , Nankai University , Tianjin 300071 , China
| | - David A Weitz
- John A. Paulson School of Engineering and Applied Sciences , Harvard University , Cambridge , Massachusetts 02138 , United States
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96
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Li C, Li Q, Kaneti YV, Hou D, Yamauchi Y, Mai Y. Self-assembly of block copolymers towards mesoporous materials for energy storage and conversion systems. Chem Soc Rev 2020; 49:4681-4736. [DOI: 10.1039/d0cs00021c] [Citation(s) in RCA: 170] [Impact Index Per Article: 42.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
This paper reviews the progress in the field of block copolymer-templated mesoporous materials, including synthetic methods, morphological and pore size control and their potential applications in energy storage and conversion devices.
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Affiliation(s)
- Chen Li
- School of Chemistry and Chemical Engineering
- Frontiers Science Center for Transformative Molecules
- Shanghai Key Laboratory of Electrical Insulation and Thermal Ageing
- Shanghai Jiao Tong University
- Shanghai 200242
| | - Qian Li
- School of Chemistry and Chemical Engineering
- Frontiers Science Center for Transformative Molecules
- Shanghai Key Laboratory of Electrical Insulation and Thermal Ageing
- Shanghai Jiao Tong University
- Shanghai 200242
| | - Yusuf Valentino Kaneti
- International Center for Materials Nanoarchitectonics (WPI-MANA)
- National Institute for Materials Science (NIMS)
- Ibaraki 305-0044
- Japan
| | - Dan Hou
- School of Chemistry and Chemical Engineering
- Frontiers Science Center for Transformative Molecules
- Shanghai Key Laboratory of Electrical Insulation and Thermal Ageing
- Shanghai Jiao Tong University
- Shanghai 200242
| | - Yusuke Yamauchi
- School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology (AIBN)
- The University of Queensland
- Brisbane
- Australia
- Key Laboratory of Marine Chemistry Theory and Technology
| | - Yiyong Mai
- School of Chemistry and Chemical Engineering
- Frontiers Science Center for Transformative Molecules
- Shanghai Key Laboratory of Electrical Insulation and Thermal Ageing
- Shanghai Jiao Tong University
- Shanghai 200242
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97
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Sahraeian T, Kulyk DS, Badu-Tawiah AK. Droplet Imbibition Enables Nonequilibrium Interfacial Reactions in Charged Microdroplets. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:14451-14457. [PMID: 31622104 DOI: 10.1021/acs.langmuir.9b02439] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
A droplet imbibition experiment is proposed to study interfacial effects, which appears to be the main factor influencing reaction acceleration in charged microdroplets produced by electrospray ionization (ESI). One reagent is deposited onto the surface of rapidly moving microdroplets containing the second reagent to be reacted. In this manner, reactions are hindered from reaching equilibrium and monitored in real time by mass spectrometry. We demonstrated this phenomenon using Katritzky chemistry, which is known to proceed either by the solvent-stabilized 2H-pyran intermediate or via the surface-active pseudobase intermediate. Comparisons with reactions performed using ESI show obvious surface effects in favor of the droplet imbibition experiment. By keeping reactant mole ratio constant, it was demonstrated that similar interfacial effects observed in the droplet imbibition experiment can be reached by allowing ESI microdroplets containing premixed reagents to traverse a distance >16 mm. At such spray distance, molecular diffusion and droplet lifetime become comparable allowing reactants to be enriched at droplet surface. Reactions were also conducted in rapid mixing, theta capillary-based droplets, which showed markedly reduced yields compared with the interfacial droplet imbibition experiment.
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Affiliation(s)
- Taghi Sahraeian
- Department of Chemistry and Biochemistry , The Ohio State University , Columbus , Ohio 43210 , United States
| | - Dmytro S Kulyk
- Department of Chemistry and Biochemistry , The Ohio State University , Columbus , Ohio 43210 , United States
| | - Abraham K Badu-Tawiah
- Department of Chemistry and Biochemistry , The Ohio State University , Columbus , Ohio 43210 , United States
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98
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Artusio F, Ferri A, Gigante V, Massella D, Mazzarino I, Sangermano M, Barresi A, Pisano R. Synthesis of high payload nanohydrogels for the ecapsulation of hydrophilic molecules via inverse miniemulsion polymerization: caffeine as a case study. Drug Dev Ind Pharm 2019; 45:1862-1870. [PMID: 31549528 DOI: 10.1080/03639045.2019.1672714] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The association of an active principle with a nanocarrier is known to improve its stability and protect it from external factors. Nevertheless, loading of nanoparticles with highly hydrophilic substances like caffeine remains a tricky issue. In the present study, inverse miniemulsion systems were successfully coupled to UV radiation to synthesize polymeric nanohydrogels for drug delivery. The proper choice of the continuous and dispersed phase chemical composition led to the entrapment of active principle into the miniemulsion droplets. Our confinement-based strategy enabled unprecedented caffeine encapsulation efficiency inside 100-nm particles. Dimensional, thermal, and spectroscopic characterizations were carried out to investigate both unloaded and loaded nanohydrogels. Furthermore, in vitro release studies evaluated caffeine release kinetics from nanohydrogels by means of dialysis tests. It was demonstrated that controlled and sustained release occurred within the first 50 hours. Experimental data were found to fit the Higuchi model suggesting that the active principle release is diffusion controlled.
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Affiliation(s)
- Fiora Artusio
- Department of Applied Science and Technology, Politecnico di Torino, Torino, Italy
| | - Ada Ferri
- Department of Applied Science and Technology, Politecnico di Torino, Torino, Italy
| | - Valeria Gigante
- Department of Applied Science and Technology, Politecnico di Torino, Torino, Italy
| | - Daniele Massella
- Department of Applied Science and Technology, Politecnico di Torino, Torino, Italy
| | - Italo Mazzarino
- Department of Applied Science and Technology, Politecnico di Torino, Torino, Italy
| | - Marco Sangermano
- Department of Applied Science and Technology, Politecnico di Torino, Torino, Italy
| | - Antonello Barresi
- Department of Applied Science and Technology, Politecnico di Torino, Torino, Italy
| | - Roberto Pisano
- Department of Applied Science and Technology, Politecnico di Torino, Torino, Italy
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Sakamoto R, Fukui N, Maeda H, Matsuoka R, Toyoda R, Nishihara H. The Accelerating World of Graphdiynes. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1804211. [PMID: 31222848 DOI: 10.1002/adma.201804211] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Revised: 03/27/2019] [Indexed: 05/08/2023]
Abstract
Graphdiyne (GDY), a 2D allotrope of graphene, is first synthesized in 2010 and has attracted attention as a new low-dimensional carbon material. This work surveys the literature on GDYs. The history of GDYs is summarized, including their relationship with 2D graphyne carbons and yearly publication trends. GDY is a molecule-based nanosheet woven from a molecular monomer, hexaethynylbenzene; thus, it is synthesized by bottom-up approaches, which allow rich variation via monomer design. The GDY family and the synthetic procedures are also described. Highly developed π-conjugated electronic structures are common important features in GDY and graphene; however, the coexistence of sp and sp2 carbons differentiates GDY from graphene. This difference gives rise to unique physical properties, such as high conductivity and large carrier mobility. Next, the theoretical and experimental studies of these properties are described in detail. A wide variety of applications are proposed for GDYs, including electrocatalysts and energy devices, which exploit the carbon-rich nature, porous framework, and expanded π-electron system of these compounds. Finally, potential uses are discussed.
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Affiliation(s)
- Ryota Sakamoto
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
- JST-PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan
| | - Naoya Fukui
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Hiroaki Maeda
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Ryota Matsuoka
- Faculty of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8571, Japan
| | - Ryojun Toyoda
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Hiroshi Nishihara
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
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Xing JY, Xue YH, Lu ZY, Liu H. In-Depth Analysis of Supramolecular Interfacial Polymerization via a Computer Simulation Strategy. Macromolecules 2019. [DOI: 10.1021/acs.macromol.9b01033] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ji-Yuan Xing
- State Key Laboratory of Supramolecular Structure and Materials, Institute of Theoretical Chemistry, Jilin University, Changchun 130023, China
| | - Yao-Hong Xue
- Information Science School, Guangdong University of Finance and Economics, Guangzhou 510320, China
| | - Zhong-Yuan Lu
- State Key Laboratory of Supramolecular Structure and Materials, Institute of Theoretical Chemistry, Jilin University, Changchun 130023, China
| | - Hong Liu
- State Key Laboratory of Supramolecular Structure and Materials, Institute of Theoretical Chemistry, Jilin University, Changchun 130023, China
- Key Laboratory of Theoretical Chemistry of Environment Ministry of Education, School of Chemistry, South China Normal University, Guangzhou 510006, China
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