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Lee SY, Tan YH, Lau SY, Mubarak NM, Tan YY, Tan IS, Lee YH, Ibrahim ML, Karri RR, Khalid M, Chan YS, Adeoye JB. A state-of-the-art review of metal oxide nanoflowers for wastewater treatment: Dye removal. ENVIRONMENTAL RESEARCH 2024; 259:119448. [PMID: 38942255 DOI: 10.1016/j.envres.2024.119448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 06/06/2024] [Accepted: 06/18/2024] [Indexed: 06/30/2024]
Abstract
Dye wastewater consists of high solids concentrations, heavy metals, minor contaminants, dissolved chemical oxygen demand, and microorganisms. Nanoflowers are nanoparticles that resemble flowers when viewed at a microscopic level. Inorganic metal oxide nanoflowers have been discovered to be a potential source for overcoming this situation. Their flower-like features give them a higher surface area to volume ratio and porosity structure, which can absorb a significant amount of dye. The metal oxide nanoflower synthesized from different synthesis methods is used to compare which one is cost-effective and capable of generating a large scale of nanoflower. This review has demonstrated outstanding dye removal efficiency by applying inorganic nanoflowers to dye removal. Since both adsorption and photocatalytic reactions enhance the dye degradation process, complete dye degradation could be achieved. Meanwhile, the inorganic metal oxide nanoflowers' exemplary reusability characteristics with negligible performance drop further prove that this approach is highly sustainable and may help to save costs. This review has proven the momentum of obtaining high dye removal efficiency in wastewater treatment to conclude that the metal oxide nanoflower study is worth researching.
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Affiliation(s)
- Sing Ying Lee
- Department of Chemical and Energy Engineering, Faculty of Engineering and Science, Curtin University Malaysia, CDT 250, 98009, Miri, Sarawak, Malaysia
| | - Yie Hua Tan
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Gadong, BE1410, Brunei Darussalam.
| | - Sie Yon Lau
- Department of Chemical and Energy Engineering, Faculty of Engineering and Science, Curtin University Malaysia, CDT 250, 98009, Miri, Sarawak, Malaysia
| | - Nabisab Mujawar Mubarak
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Gadong, BE1410, Brunei Darussalam; Department of Chemistry, School of Chemical Engineering and Physical Sciences, Lovely Professional University, Jalandhar, Punjab, India
| | - Yee Yong Tan
- Department of Civil and Construction Engineering, Faculty of Engineering and Science, Curtin University Malaysia, CDT 250, 98009, Miri, Sarawak, Malaysia
| | - Inn Shi Tan
- Department of Chemical and Energy Engineering, Faculty of Engineering and Science, Curtin University Malaysia, CDT 250, 98009, Miri, Sarawak, Malaysia
| | - Yeong Huei Lee
- Department of Civil and Construction Engineering, Faculty of Engineering and Science, Curtin University Malaysia, CDT 250, 98009, Miri, Sarawak, Malaysia
| | - Mohd Lokman Ibrahim
- School of Chemistry and Environment, Faculty of Applied Sciences, Universiti Teknologi MARA, 40450, Shah Alam, Selangor, Malaysia; Centre of Nanomaterials Research, Institute of Sciences, Universiti Teknologi MARA, 40450, Shah Alam, Selangor, Malaysia
| | - Rama Rao Karri
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Gadong, BE1410, Brunei Darussalam
| | - Mohammad Khalid
- Sunway Centre for Electrochemical Energy and Sustainable Technology (SCEEST), School of Engineering and Technology, Sunway University, No. 5, Jalan Universiti, Bandar Sunway, 47500 Selangor Darul Ehsan, Malaysia; Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India; Centre of Research Impact and Outcome, Chitkara University, Punjab, 140401, India
| | - Yen San Chan
- Department of Chemical and Energy Engineering, Faculty of Engineering and Science, Curtin University Malaysia, CDT 250, 98009, Miri, Sarawak, Malaysia
| | - John Busayo Adeoye
- Department of Chemical and Energy Engineering, Faculty of Engineering and Science, Curtin University Malaysia, CDT 250, 98009, Miri, Sarawak, Malaysia
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2
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Çelikoğlu U, Çelikoğlu E, Khan MN, Kaplan A. Eco-benevolent synthesis of ZnO-NPs and ZnO-MFs from Inula oculus-christi L. (Asteraceae) with effective antioxidant, antimicrobial, DNA cleavage, and decolorization efficiencies. Bioprocess Biosyst Eng 2024:10.1007/s00449-024-03075-4. [PMID: 39223356 DOI: 10.1007/s00449-024-03075-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2024] [Accepted: 08/05/2024] [Indexed: 09/04/2024]
Abstract
As a result of the changes occurring globally in recent years, millions of people are facing challenging and even life-threatening diseases such as cancer and the COVID-19 pandemic, among others. This phenomenon has spurred researchers towards developing and implementing innovative and environmentally friendly scientific methods, merging disciplines with significant technological potential, such as nanotechnology with medicinal plants. Therefore, the focus of this research is to synthesize zinc nanoparticles (ZnO-NPs) and microflowers (ZnO-MFs) using extracts of the medicinal plant I. oculus christi prepared in n-hexane and methanol as new bioreduction and capping agents through a simple and environmentally friendly chemical approach. Optical, thermal, and morphological structural analyses of ZnO-NPs and ZnO-MFs were conducted using Ultraviolet-Visible (UV-Vis) spectroscopy, Fourier Transform Infrared (FT-IR) spectroscopy, Thermogravimetric Analysis (TGA), and Field Emission Scanning Electron Microscopy (FE-SEM). Metabolic profiles of extracts from different plant parts were analyzed using Gas Chromatography-Mass Spectrometry (GC-MS) and supported by visualization of contents through Principal Component Analysis (PCA), hierarchical cluster analysis heatmaps, and Pearson correlation graphs. Interestingly, ZnO-NPs and ZnO-MFs exhibited strong antioxidant properties and demonstrated particularly potent antimicrobial activity against Micrococcus luteus NRRL B-4375, Escherichia coli ATCC 25922, and Candida albicans ATCC 10231 strains compared to standard antibiotics. Furthermore, ZnO-NPs and ZnO-MFs showed excellent plasmid DNA-cleavage activity of pBR322 with increasing doses. The photocatalytic performance of the synthesized ZnO-NPs and ZnO-MFs was evaluated for methylene blue (MB), congo red (CR), and safranin-O (SO) dyes, demonstrating remarkable color removal efficiency. Overall, the results provide a promising avenue for the green synthesis of ZnO-NPs and ZnO-MFs using I. oculus-christi L. inflorescence and pappus extracts, potentially revolutionizing biopharmaceutical and catalytic applications in these fields.
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Affiliation(s)
- Umut Çelikoğlu
- Department of Chemistry, Faculty of Science and Letters, Amasya University, 05100, Amasya, Türkiye.
- Central Research and Application Laboratory, Amasya University, 05100, Amasya,, Türkiye.
| | - Emine Çelikoğlu
- Central Research and Application Laboratory, Amasya University, 05100, Amasya,, Türkiye
- Department of Biology, Faculty of Science and Letters, Amasya University, 05100, Amasya, Türkiye
| | | | - Alevcan Kaplan
- Department of Crop and Animal Production, Sason Vocational School, Batman University, 72060, Batman, Türkiye
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3
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Yang W, Sun H, Cui Z, Chen L, Ji Y, Lu F, Liu Y. Spatially sequential co-immobilization of phosphorylases in tiny environments and its application in the synthesis of glucosyl glycerol. Int J Biol Macromol 2024; 279:135139. [PMID: 39208907 DOI: 10.1016/j.ijbiomac.2024.135139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 08/13/2024] [Accepted: 08/26/2024] [Indexed: 09/04/2024]
Abstract
2-O-(α-d-glucopyranosyl)-sn-glycerol (2-αGG) has been applied in the food industry due to its numerous physiological benefits. The synthesis of 2-αGG can be achieved through a cascade catalytic reaction involving sucrose phosphorylase (SP) and 2-O-α-glucosylglycerol phosphorylase (GGP). However, the low substrate transfer rates between free enzymes have hindered the efficiency of 2-αGG synthesis. To address this issue, a novel technology was developed to prepare sequential multi-enzyme nanoflowers via chemical crosslinking and protein assembly, thus overcoming diffusion limitations. Specifically, spatially sequential co-immobilized enzymes, referred to as SP-GGP@Cap, were created through the targeted assembly of Bifidobacterium adolescentis SP and Marinobacter adhaerens GGP on Ca2+. This assembly was facilitated by the spontaneous protein reaction between SpyTag and SpyCatcher. Compared to free SP-GGP, SP-GGP@Cap demonstrated improved thermal and pH stability. Moreover, SP-GGP@Cap enhanced the biosynthesis of 2-αGG, achieving a relative concentration of 98 %. Additionally, it retained the ability to catalyze the substrate to yield 61 % relative concentration of 2-αGG even after ten cycles of recycling. This study presents a strategy for the spatially sequential co-immobilization of multiple enzymes in a confined environment and provides an exceptional biocatalyst for the potential industrial production of 2-αGG.
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Affiliation(s)
- Wenhua Yang
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Key Laboratory of Industrial Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, PR China
| | - Hui Sun
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Key Laboratory of Industrial Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, PR China
| | - Zhihan Cui
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Key Laboratory of Industrial Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, PR China
| | - Lei Chen
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Key Laboratory of Industrial Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, PR China
| | - Yuan Ji
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Key Laboratory of Industrial Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, PR China
| | - Fuping Lu
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Key Laboratory of Industrial Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, PR China
| | - Yihan Liu
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Key Laboratory of Industrial Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, PR China.
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4
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Patil PD, Karvekar A, Salokhe S, Tiwari MS, Nadar SS. When nanozymes meet enzyme: Unlocking the dual-activity potential of integrated biocomposites. Int J Biol Macromol 2024; 271:132357. [PMID: 38772461 DOI: 10.1016/j.ijbiomac.2024.132357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 05/10/2024] [Accepted: 05/11/2024] [Indexed: 05/23/2024]
Abstract
Integrating enzymes and nanozymes in various applications is a topic of significant interest. The researchers have explored the encapsulation of enzymes using diverse nanostructures to create nanomaterial-enzyme hybrids. These nanomaterials introduce unique properties that contribute to the additional activity along with the stabilization of enzymes in immobilized form, enabling a cascade of second-order reactions. This review centers on dual-activity nanozymes, providing insights into their applications in biosensors and biocatalysis. These applications leverage the enhanced catalytic activity and stability offered by dual-activity nanozymes. These nanozymes find promising applications in fields like bioremediation, offering eco-friendly solutions for mitigating environmental pollution while showing potential in medical diagnostics. The review delves into various techniques for creating enzyme-nanozyme hybrid catalysts, including adsorption, encapsulation, and incorporation methods. The review also addresses the challenges that must be overcome, such as overlapping catalytic surfaces and disparities in reaction rates in multi-enzyme cascade reactions. It concludes by presenting strategies to tackle these issues and offers insights into the field's promising future, suggesting that machine learning may drive further advancements in enzyme-nanozyme integration. This comprehensive exploration illuminates the present and charts a promising course for future innovations in the seamless integration of enzymes and nanozymes, heralding a new era of catalytic possibilities.
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Affiliation(s)
- Pravin D Patil
- Department of Basic Science & Humanities, Mukesh Patel School of Technology Management & Engineering, SVKM's NMIMS, Mumbai, Maharashtra 400056, India
| | - Aparna Karvekar
- Department of Biotechnology Engineering, Kolhapur Institute of Technology's College of Engineering, Kolhapur 416 234, India
| | - Sakshi Salokhe
- Department of Biotechnology Engineering, Kolhapur Institute of Technology's College of Engineering, Kolhapur 416 234, India
| | - Manishkumar S Tiwari
- Department of Data Science, Mukesh Patel School of Technology Management & Engineering, SVKM's NMIMS, Mumbai, Maharashtra 400056, India
| | - Shamraja S Nadar
- Department of Chemical Engineering, Institute of Chemical Technology, Matunga (E), Mumbai 400019, India.
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5
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Pol R, Rahaman A, Diwakar M, Pable A, Jagtap S, Barvkar VT, Jadhav UU. Antioxidant peptide nanohybrid: a new perspective to immobilize bioactive peptides from milk industry wastewater. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:38723-38742. [PMID: 37454376 DOI: 10.1007/s11356-023-28735-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 07/06/2023] [Indexed: 07/18/2023]
Abstract
In this study, dairy industry wastewater was collected and used as a protein source. The proteins were converted into powder form using lyophilization. The proteins were digested using Bacillus subtilis (B. subtilis) NCIM 2724. The maximum degree of hydrolysis (DH) of protein was observed at pH of 7, 30 °C incubation temperature, 120 rpm shaking speed, and 96 h incubation. The tris-glycine sodium dodecyl sulfate-polyacrylamide (tris-glycine-SDS) gel electrophoresis showed the disappearance of large molecular weight proteins due to the proteolytic action of B. subtilis. The resulting digest was fractionated using a 3 kDa membrane filter. The antioxidant activity of the obtained fractions was evaluated. Antioxidant activity of digest and filtrate was found to be 12.78% (±0.040) and 49% (±0.025), respectively, at a concentration of 50 mg/mL. The 3 kDa filtrate was subjected to liquid chromatography-mass spectrometry (LCMS) analysis. Bioinformatics tools were used to predict the sequences of antioxidant peptides. Furthermore, the 3 kDa filtrate was used for the synthesis of antioxidant nanohybrid. Scanning electron microscopy (SEM)-energy dispersive spectroscopy (EDS) confirmed the nanohybrid formation and encapsulation of peptides. The antioxidant nanohybrid showed enhanced antioxidant activity compared to the free peptide solution. The dairy industry has a significant environmental impact due to high water use and waste generation. This study addresses an important issue of recycling protein-containing wastewater and the potential to be used for converting these proteins into antioxidant peptides. Such practices will help to reduce environmental impact and sustainably operate the industry.
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Affiliation(s)
- Rushikesh Pol
- Department of Microbiology, Savitribai Phule Pune University, Pune, Maharashtra, India
| | - Alisha Rahaman
- Department of Microbiology, Savitribai Phule Pune University, Pune, Maharashtra, India
| | - Manasi Diwakar
- Department of Microbiology, Savitribai Phule Pune University, Pune, Maharashtra, India
| | - Anupama Pable
- Department of Microbiology, Savitribai Phule Pune University, Pune, Maharashtra, India
| | - Shweta Jagtap
- Department of Electronic and Instrumentation Science, Savitribai Phule Pune University, Pune, Maharashtra, India
| | - Vitthal T Barvkar
- Department of Botany, Savitribai Phule Pune University, Pune, Maharashtra, India
| | - Umesh U Jadhav
- Department of Microbiology, Savitribai Phule Pune University, Pune, Maharashtra, India.
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6
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Kumari R, Mendki N, Chandra P. Smartphone-Integrated Automated Sensor Employing Electrochemically Engineered 3D Bimetallic Nanoflowers for Hydrogen Peroxide Quantification in Milk. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:11146-11159. [PMID: 38739881 DOI: 10.1021/acs.langmuir.4c00726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
Hydrogen peroxide (H2O2), one of the reactive oxygen species in living beings, serves as a regulator of various cellular processes. However, excessive peroxide concentrations are linked to oxidative stress and promptly disrupt cellular components, leading to several pathological conditions in the body. Moreover, it is extremely reactive and has a limited lifetime; thus, H2O2 sensing remains a prominent focus of research. Enzymatic sensing probes were widely employed to detect H2O2 in the recent past; however, they are susceptible to intrinsic chemical and thermal instabilities, which decrease the reliability and durability of the surface. This research was designed to come up with a feasible solution to this problem. Herein, a novel nonenzymatic peroxidase-mimic three-dimensional (3D) bimetallic nanoflower has been synergistically engineered for quick sensing of H2O2. The sensor platform showed minimal resistance or enhanced charge transfer properties as well as remarkable analytical capability, having a broad linear range between 0.01 and 1 nM and a detection limit of 1.46 ± 0.07 pM. The probe responded to changes in H2O2 concentration in just 2.10 ± 0.02 s, making it a quick sensing platform for H2O2 tracking. This peroxidase-mimic nanozyme probe showed minimal sensitivity to interferants often seen in real-world sample matrices and possessed good recoveries ranging from 92.88 to 99.09% in milk samples. Further, a facile and user-friendly smartphone application (APP) named "HPeroxide-Check" was developed and integrated into the sensor to check the milk adulteration by detecting H2O2. It processes the current output obtained from the sensing interface and provides real-time peroxide concentrations in milk. The entire procedure of fabricating the probe is a single, highly robust step that takes only 10 min and is coupled with a smartphone APP, highlighting the sensor's quick manufacturing and deployment for automated H2O2 monitoring in industrial and point-of-care settings.
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Affiliation(s)
- Rohini Kumari
- Laboratory of Bio-Physio Sensors and Nanobioengineering, School of Biochemical Engineering, Indian Institute of Technology (BHU), Varanasi221005, Uttar Pradesh, India
| | - Nachiket Mendki
- Laboratory of Bio-Physio Sensors and Nanobioengineering, School of Biochemical Engineering, Indian Institute of Technology (BHU), Varanasi221005, Uttar Pradesh, India
| | - Pranjal Chandra
- Laboratory of Bio-Physio Sensors and Nanobioengineering, School of Biochemical Engineering, Indian Institute of Technology (BHU), Varanasi221005, Uttar Pradesh, India
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7
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Abdelmoneim A, Elfayoumi MAK, Abdel-Wahab MS, Al-Enizi AM, Lee JK, Tawfik WZ. Enhanced solar-driven photoelectrochemical water splitting using nanoflower Au/CuO/GaN hybrid photoanodes. RSC Adv 2024; 14:16846-16858. [PMID: 38784418 PMCID: PMC11114097 DOI: 10.1039/d4ra01931h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Accepted: 05/08/2024] [Indexed: 05/25/2024] Open
Abstract
Harnessing solar energy for large-scale hydrogen fuel (H2) production shows promise in addressing the energy crisis and ecological degradation. This study focuses on the development of GaN-based photoelectrodes for efficient photoelectrochemical (PEC) water splitting, enabling environmentally friendly H2 production. Herein, a novel nanoflower Au/CuO/GaN hybrid structure was successfully synthesized using a combination of methods including successive ionic layer adsorption and reaction (SILAR), RF/DC sputtering, and metal-organic chemical vapour deposition (MOCVD) techniques. Structural, morphological, and optical characteristics and elemental composition of the prepared samples were analyzed using X-ray diffraction (XRD), scanning electron microscopy (SEM), UV-Vis spectroscopy, and energy-dispersive X-ray (EDX) spectroscopy, respectively. PEC and electrochemical impedance measurements were performed for all samples. The nanoflower Au/CuO/GaN hybrid structure exhibited the highest photocurrent density of ∼4 mA cm-2 at 1.5 V vs. RHE in a Na2SO4 electrolyte with recorded moles of H2 of about 3246 μmol h-1 cm-2. By combining these three materials in a unique structure, we achieved improved performance in the conversion of solar energy into chemical energy. The nanoflower structure provides a large surface area and promotes light absorption while the Au, CuO, and GaN components contribute to efficient charge separation and transfer. This study presents a promising strategy for advancing sustainable H2 production via efficient solar-driven water splitting.
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Affiliation(s)
- Alhoda Abdelmoneim
- Department of Physics, Faculty of Science, Beni-Suef University Beni-Suef 62511 Egypt
| | - M A K Elfayoumi
- Department of Physics, Faculty of Science, Beni-Suef University Beni-Suef 62511 Egypt
| | - Mohamed Sh Abdel-Wahab
- Materials Science and Nanotechnology Department, Faculty of Postgraduate Studies for Advanced Sciences, Beni-Suef University Beni-Suef 62511 Egypt
| | - Abdullah M Al-Enizi
- Department of Chemistry, College of Science, King Saud University P. O. Box 2455 Riyadh 11451 Saudi Arabia
| | - June Key Lee
- Department of Materials Science and Engineering, Chonnam National University Gwangju 61186 Republic of Korea
| | - Wael Z Tawfik
- Department of Physics, Faculty of Science, Beni-Suef University Beni-Suef 62511 Egypt
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8
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Wen Y, Song N, Peng Y, Wu W, Lin Q, Cui M, Li R, Yu Q, Wu S, Liang Y, Tian W, Meng Y. Radiofrequency enhances drug release from responsive nanoflowers for hepatocellular carcinoma therapy. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2024; 15:569-579. [PMID: 38887527 PMCID: PMC11181167 DOI: 10.3762/bjnano.15.49] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Accepted: 04/29/2024] [Indexed: 06/20/2024]
Abstract
Hepatocellular carcinoma (HCC) is the sixth most common malignant tumor and the third leading cause of cancer death worldwide. Most patients are diagnosed at an advanced stage, and systemic chemotherapy is the preferred treatment modality for advanced HCC. Curcumin (CUR) is a polyphenolic antineoplastic drug with low toxicity obtained from plants. However, its low bioavailability and poor solubility limit its functionality. In this study, radiofrequency- (RF) enhanced responsive nanoflowers (NFs), containing superparamagnetic ferric oxide nanoclusters (Fe3O4 NCs), - CUR layer, - and MnO2 (CUR-Fe@MnO2 NFs), were verified to have a thermal therapeutic effect. Transmission electron microscopy was used to characterize the CUR-Fe@MnO2 NFs, which appeared flower-like with a size of 96.27 nm. The in vitro experimental data showed that RF enhanced the degradation of CUR-Fe@MnO2 NFs to release Mn2+ and CUR. The cytotoxicity test results indicated that after RF heating, the CUR-Fe@MnO2 NFs significantly suppressed HCC cell proliferation. Moreover, CUR-Fe@MnO2 NFs were effective T 1/T 2 contrast agents for molecular magnetic resonance imaging due to the release of Mn2+ and Fe3O4 NCs.
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Affiliation(s)
- Yanyan Wen
- School of Public Health, Shanxi Medical University, Taiyuan, Shanxi 030001, China
| | - Ningning Song
- College of Medical Imaging, Shanxi Medical University, Taiyuan, Shanxi, 030001, China
- Department of Radiology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, Shanxi 030009, China
| | - Yueyou Peng
- Department of Radiology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, Shanxi 030009, China
| | - Weiwei Wu
- School of Public Health, Shanxi Medical University, Taiyuan, Shanxi 030001, China
| | - Qixiong Lin
- The Ninth Clinical Medical School of Shanxi Medical University, Taiyuan, Shanxi 030009, China
| | - Minjie Cui
- College of Medical Imaging, Shanxi Medical University, Taiyuan, Shanxi, 030001, China
- Department of Radiology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, Shanxi 030009, China
| | - Rongrong Li
- College of Medical Imaging, Shanxi Medical University, Taiyuan, Shanxi, 030001, China
- Department of Radiology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, Shanxi 030009, China
| | - Qiufeng Yu
- Department of Radiology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, Shanxi 030009, China
- Department of Medical Imaging, Changzhi Medical College, Changzhi, Shanxi, 046000, China
| | - Sixue Wu
- Academy of Medical Sciences, Shanxi Medical University, Taiyuan, Shanxi 030001, China
| | - Yongkang Liang
- Department of Radiology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, Shanxi 030009, China
- Department of Medical Imaging, Changzhi Medical College, Changzhi, Shanxi, 046000, China
| | - Wei Tian
- Department of General Surgery, Shanxi Cardiovascular Hospital, Taiyuan, Shanxi 030024, China
| | - Yanfeng Meng
- Department of Radiology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, Shanxi 030009, China
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Cetinkaya A, Yusufbeyoglu S, Kaya SI, Kilic AB, Atici EB, Ozkan SA. Plant-based zinc nanoflowers assisted molecularly imprinted polymer for the design of an electrochemical sensor for selective determination of abrocitinib. Mikrochim Acta 2024; 191:322. [PMID: 38730044 PMCID: PMC11087364 DOI: 10.1007/s00604-024-06404-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2024] [Accepted: 05/01/2024] [Indexed: 05/12/2024]
Abstract
The first electrochemical sensor application in the literature is described for the sensitive and selective determination of the selective Janus kinase (JAK)-1 inhibitor abrocitinib (ABR). ABR is approved by the U.S. Food and Drug Administration (FDA) for the treatment of atopic dermatitis. The molecularly imprinted polymer (MIP)-based sensor was designed to incorporate zinc nanoflower (ZnNFs)-graphene oxide (GO) conjugate (ZnNFs@GO), synthesized from the root methanolic extract (RME) of the species Alkanna cappadocica Boiss. et Bal. to improve the porosity and effective surface area of the glassy carbon electrode (GCE). Furthermore, the MIP structure was prepared using ABR as a template molecule, 4-aminobenzoic acid (4-ABA) as a functional monomer, and other additional components. Scanning electron microscopy (SEM), X-ray diffraction (XRD), and Fourier transform infrared spectroscopy (FTIR) were used to characterize the surface and structure of the synthesized nanomaterial and MIP-based surface. Among the electrochemical methods, cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) were preferred for detailed electrochemical characterization, and differential pulse voltammetry (DPV) was preferred for all other electrochemical measurements using 5.0 mM [Fe(CN)6]3-/4- solution as the redox probe. The MIP-based sensor, which was the result of a detailed optimization phase, gave a linear response in the 1.0 × 10-13 - 1.0 × 10-12 M range in standard solution and serum sample. The obtained limit of detection (LOD) and limit of quantification (LOQ) values and recovery studies demonstrated the sensitivity, accuracy, and applicability of the sensor. Selectivity, the most important feature of the MIP-based sensor, was verified by imprinting factor calculations using ibrutinib, ruxolitinib, tofacitinib, zonisamide, and acetazolamide.
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Affiliation(s)
- Ahmet Cetinkaya
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, Ankara, 06560, Turkey
| | - Sadi Yusufbeyoglu
- Department of Pharmaceutical Botany, Gulhane Faculty of Pharmacy, University of Health Sciences, Ankara, Turkey
| | - S Irem Kaya
- Department of Analytical Chemistry, Gulhane Faculty of Pharmacy, University of Health Sciences, Ankara, Turkey
| | - Ayse Baldemir Kilic
- Department of Pharmaceutical Botany, Gulhane Faculty of Pharmacy, University of Health Sciences, Ankara, Turkey
| | - Esen Bellur Atici
- DEVA Holding A.S., Research&Development Center, Tekirdag, 59510, Turkey
| | - Sibel A Ozkan
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, Ankara, 06560, Turkey.
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10
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Jangra N, Kawatra A, Datten B, Gupta S, Gulati P. Recent trends in targeted delivery of smart nanocarrier-based microbial enzymes for therapeutic applications. Drug Discov Today 2024; 29:103915. [PMID: 38340953 DOI: 10.1016/j.drudis.2024.103915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 01/19/2024] [Accepted: 02/05/2024] [Indexed: 02/12/2024]
Abstract
Smart carrier-based immobilization has widened the use of enzymes for the treatment of several disorders. Large surface areas, tunable morphology, and surface modification ability aid the targeted and controlled release of therapeutic enzymes from such formulations. Smart nanocarriers, such as polymeric carriers, liposomes, and silica have also increased the stability, half-life, and permeability of these enzymes. In this review, summarize recent advances in the smart immobilization of microbial enzymes and their development as precision nanomedicine for the treatment of cancer, thrombosis, phenylketonuria (PKU), and wound healing. We also discuss the challenges and measures to be adopted for the successful clinical translation of these formulations.
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Affiliation(s)
- Nikita Jangra
- Medical Microbiology and Bioprocess Technology Laboratory, Department of Microbiology, Maharshi Dayanand University, Rohtak, Haryana, India
| | - Anubhuti Kawatra
- Medical Microbiology and Bioprocess Technology Laboratory, Department of Microbiology, Maharshi Dayanand University, Rohtak, Haryana, India
| | - Bharti Datten
- Medical Microbiology and Bioprocess Technology Laboratory, Department of Microbiology, Maharshi Dayanand University, Rohtak, Haryana, India
| | - Shefali Gupta
- Department of Industrial Microbiology, Sam Higginbottom University of Agriculture Technology and Sciences (SHUATS), Allahabad, Uttar Pradesh
| | - Pooja Gulati
- Medical Microbiology and Bioprocess Technology Laboratory, Department of Microbiology, Maharshi Dayanand University, Rohtak, Haryana, India.
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11
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Mostafavi M, Poor MB, Habibi Z, Mohammadi M, Yousefi M. Hyperactivation of lipases by immobilization on superhydrophobic graphene quantum dots inorganic hybrid nanoflower. Int J Biol Macromol 2024; 254:127817. [PMID: 37918587 DOI: 10.1016/j.ijbiomac.2023.127817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 10/22/2023] [Accepted: 10/30/2023] [Indexed: 11/04/2023]
Abstract
Various nanoflowers are synthesized for enzyme immobilization. In order to increase the activity of nanoflowers, in this study, 3D flower-like structured organic-inorganic hybrid nanoflowers (hNFs) with various lipases Rhizomucor miehei lipase (RML), Candida antarctica lipase B (CALB), Humicola insolens lipase (HIL), Thermomyces lanuginosus lipase (TLL), Eversa® Transform 2.0 (ET) a genetically modified enzyme derived of TLL and graphene quantum dots (GQDs) were prepared and characterized.Lipase hNFs [lipase-(Cu/Co)3(PO4)2] and lipase@GQDs hNFs [lipase@GQDs-(Cu/Co)3(PO4)2] were straightforwardly prepared through mixing with metal ion (Cu2+or Co2+) aqueous solutions with or without GQDs. The ET@GQDs-(Cu)3(PO4)2 hNFs demonstrated 687 % higher activity than ET-(Cu)3(PO4)2 hNFs and 650 % higher activity than the free ET. Similar results were also observed with other lipase hybrid nanoflowers. For example, TLL@GQDs-(Cu)3(PO4)2 hNFs exhibited a 557 % higher activity than TLL-(Cu)3(PO4)2 hNFs and a 463 % higher activity than free TLL. Additionally, TLL@GQDs-(Co)3(PO4)2 hNFs showed a 141 % higher activity than TLL-(Co)3(PO4)2 hNFs and a 304 % higher activity than free TLL. Upon examining pH and thermal stability, it was revealed that lipase@GQDs hNFs exhibited higher activity compared to free lipase and other hNFs without GQDs. The effect of metal ions, enzyme concentrations and amount of GQDs on the morphology and enzyme activity of the lipase-hNFs was examined.
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Affiliation(s)
- Mostafa Mostafavi
- Department of Pure Chemistry, Faculty of Chemistry, Shahid Beheshti University, G.C., Tehran, Iran
| | - Mahtab Beihaghi Poor
- Department of Pure Chemistry, Faculty of Chemistry, Shahid Beheshti University, G.C., Tehran, Iran
| | - Zohreh Habibi
- Department of Pure Chemistry, Faculty of Chemistry, Shahid Beheshti University, G.C., Tehran, Iran.
| | - Mehdi Mohammadi
- Bioprocess Engineering Department, Institute of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Maryam Yousefi
- Nanobiotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, Iran.
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12
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Holyavka MG, Goncharova SS, Redko YA, Lavlinskaya MS, Sorokin AV, Artyukhov VG. Novel biocatalysts based on enzymes in complexes with nano- and micromaterials. Biophys Rev 2023; 15:1127-1158. [PMID: 37975005 PMCID: PMC10643816 DOI: 10.1007/s12551-023-01146-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Accepted: 09/08/2023] [Indexed: 11/19/2023] Open
Abstract
In today's world, there is a wide array of materials engineered at the nano- and microscale, with numerous applications attributed to these innovations. This review aims to provide a concise overview of how nano- and micromaterials are utilized for enzyme immobilization. Enzymes act as eco-friendly biocatalysts extensively used in various industries and medicine. However, their widespread adoption faces challenges due to factors such as enzyme instability under different conditions, resulting in reduced effectiveness, high costs, and limited reusability. To address these issues, researchers have explored immobilization techniques using nano- and microscale materials as a potential solution. Such techniques offer the promise of enhancing enzyme stability against varying temperatures, solvents, pH levels, pollutants, and impurities. Consequently, enzyme immobilization remains a subject of great interest within both the scientific community and the industrial sector. As of now, the primary goal of enzyme immobilization is not solely limited to enabling reusability and stability. It has been demonstrated as a powerful tool to enhance various enzyme properties and improve biocatalyst performance and characteristics. The integration of nano- and microscale materials into biomedical devices is seamless, given the similarity in size to most biological systems. Common materials employed in developing these nanotechnology products include synthetic polymers, carbon-based nanomaterials, magnetic micro- and nanoparticles, metal and metal oxide nanoparticles, metal-organic frameworks, nano-sized mesoporous hydrogen-bonded organic frameworks, protein-based nano-delivery systems, lipid-based nano- and micromaterials, and polysaccharide-based nanoparticles.
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Affiliation(s)
- M. G. Holyavka
- Voronezh State University, Voronezh, 394018 Russia
- Sevastopol State University, Sevastopol, 299053 Russia
| | | | - Y. A. Redko
- Voronezh State University, Voronezh, 394018 Russia
| | - M. S. Lavlinskaya
- Voronezh State University, Voronezh, 394018 Russia
- Sevastopol State University, Sevastopol, 299053 Russia
| | - A. V. Sorokin
- Voronezh State University, Voronezh, 394018 Russia
- Sevastopol State University, Sevastopol, 299053 Russia
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13
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Lee SJ, Jang H, Lee DN. Recent advances in nanoflowers: compositional and structural diversification for potential applications. NANOSCALE ADVANCES 2023; 5:5165-5213. [PMID: 37767032 PMCID: PMC10521310 DOI: 10.1039/d3na00163f] [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: 03/14/2023] [Accepted: 08/02/2023] [Indexed: 09/29/2023]
Abstract
In recent years, nanoscience and nanotechnology have emerged as promising fields in materials science. Spectroscopic techniques like scanning tunneling microscopy and atomic force microscopy have revolutionized the characterization, manipulation, and size control of nanomaterials, enabling the creation of diverse materials such as fullerenes, graphene, nanotubes, nanofibers, nanorods, nanowires, nanoparticles, nanocones, and nanosheets. Among these nanomaterials, there has been considerable interest in flower-shaped hierarchical 3D nanostructures, known as nanoflowers. These structures offer advantages like a higher surface-to-volume ratio compared to spherical nanoparticles, cost-effectiveness, and environmentally friendly preparation methods. Researchers have explored various applications of 3D nanostructures with unique morphologies derived from different nanoflowers. The nanoflowers are classified as organic, inorganic and hybrid, and the hybrids are a combination thereof, and most research studies of the nanoflowers have been focused on biomedical applications. Intriguingly, among them, inorganic nanoflowers have been studied extensively in various areas, such as electro, photo, and chemical catalysis, sensors, supercapacitors, and batteries, owing to their high catalytic efficiency and optical characteristics, which arise from their composition, crystal structure, and local surface plasmon resonance (LSPR). Despite the significant interest in inorganic nanoflowers, comprehensive reviews on this topic have been scarce until now. This is the first review focusing on inorganic nanoflowers for applications in electro, photo, and chemical catalysts, sensors, supercapacitors, and batteries. Since the early 2000s, more than 350 papers have been published on this topic with many ongoing research projects. This review categorizes the reported inorganic nanoflowers into four groups based on their composition and structure: metal, metal oxide, alloy, and other nanoflowers, including silica, metal-metal oxide, core-shell, doped, coated, nitride, sulfide, phosphide, selenide, and telluride nanoflowers. The review thoroughly discusses the preparation methods, conditions for morphology and size control, mechanisms, characteristics, and potential applications of these nanoflowers, aiming to facilitate future research and promote highly effective and synergistic applications in various fields.
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Affiliation(s)
- Su Jung Lee
- Ingenium College of Liberal Arts (Chemistry), Kwangwoon University Seoul 01897 Korea
| | - Hongje Jang
- Department of Chemistry, Kwangwoon University Seoul 01897 Korea
| | - Do Nam Lee
- Ingenium College of Liberal Arts (Chemistry), Kwangwoon University Seoul 01897 Korea
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14
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Haydar MS, Kundu S, Kundu S, Mandal P, Roy S. Zinc oxide nano-flowers improve the growth and propagation of mulberry cuttings grown under different irrigation regimes by mitigating drought-related complications and enhancing zinc uptake. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 202:107910. [PMID: 37531852 DOI: 10.1016/j.plaphy.2023.107910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Revised: 06/21/2023] [Accepted: 07/24/2023] [Indexed: 08/04/2023]
Abstract
Silkworm larvae mainly consume mulberry leaves; therefore, mulberry cultivation is important for the production of raw silk. Drought stress and micronutrient deficiency (Zn) are known to affect the propagation of mulberry cuttings. In this purview, the current investigation attempted to inspect the efficacy of different concentrations of zinc oxide nano-flower (ZnNFs) applied through both soil admixture and foliar spray on the propagation of mulberry cuttings grown under deficit irrigation regimes. The overall results demonstrated that the ZnNF-treated plant cuttings were well-adapted to drought stress and performed better in comparison to the control set. Out of the tested concentrations - ZnNF-10 (applied as 10 mg/kg soil and 10 ppm as foliar spray thrice) was found to be optimum, showing relatively better initial root establishment, the emergence of leaves, and survival and sprouting percentage. Further studies also confirmed an improvement in the accumulation of photosynthetic pigments, carbohydrates, and protein content even under extreme drought conditions. Most importantly, the ZnNF-10 treatment contributed to ROS detoxification and cell membrane protection by enhancing the pool of antioxidant enzymes. The study further demonstrated that ZnNF-10 application enhanced zinc content by 147.50%, 179.49%, and 171.99% in root, shoot, and leaves of the treated cuttings; thereby, improving the bioaccumulation factor of the plant parts. All of these interactive phenomena led to an increment in shoot height, biomass, leaf area, and leaf number of cuttings. These findings, therefore, indicated that ZnNFs can be developed as a promising nano-fertilizer for mulberry growth facilitating Zn uptake and mitigation of drought-induced complications.
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Affiliation(s)
- Md Salman Haydar
- Nanobiology and Phytotherapy Laboratory, Department of Botany, University of North Bengal, Siliguri, West Bengal, 734013, India; Plant Biochemistry Laboratory, Department of Botany, University of North Bengal, Siliguri, West Bengal, 734013, India.
| | - Sudipta Kundu
- Nanobiology and Phytotherapy Laboratory, Department of Botany, University of North Bengal, Siliguri, West Bengal, 734013, India.
| | - Sourav Kundu
- Nanobiology and Phytotherapy Laboratory, Department of Botany, University of North Bengal, Siliguri, West Bengal, 734013, India.
| | - Palash Mandal
- Nanobiology and Phytotherapy Laboratory, Department of Botany, University of North Bengal, Siliguri, West Bengal, 734013, India.
| | - Swarnendu Roy
- Plant Biochemistry Laboratory, Department of Botany, University of North Bengal, Siliguri, West Bengal, 734013, India.
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15
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Singh A, Chaurasia D, Khan N, Singh E, Chaturvedi Bhargava P. Efficient mitigation of emerging antibiotics residues from water matrix: Integrated approaches and sustainable technologies. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 328:121552. [PMID: 37075921 DOI: 10.1016/j.envpol.2023.121552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 03/14/2023] [Accepted: 04/01/2023] [Indexed: 05/03/2023]
Abstract
The prevalence of antibiotic traces in the aquatic matrices is a concern due to the emanation of antibiotic resistance which requires a multifaceted approach. One of the potential sources is the wastewater treatment plants with a lack of advance infrastructure leading to the dissemination of contaminants. Continuous advancements in economic globalization have facilitated the application of several conventional, advanced, and hybrid techniques for the mitigation of rising antibiotic traces in the aquatic matrices that have been thoroughly scrutinized in the current paper. Although the implementation of existing mitigation techniques is associated with several limiting factors and barriers which require further research to enhance their removal efficiency. The review further summarizes the application of the microbial processes to combat antibiotic persistence in wastewater establishing a sustainable approach. However, hybrid technologies are considered as most efficient and environmental-benign due to their higher removal efficacy, energy-efficiency, and cost-effectiveness. A brief elucidation has been provided for the mechanism responsible for lowering antibiotic concentration in wastewater through biodegradation and biotransformation. Overall, the current review presents a comprehensive approach for antibiotic mitigation using existing methods however, policies and measures should be implemented for continuous monitoring and surveillance of antibiotic persistence in aquatic matrices to reduce their potential risk to humans and the environment.
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Affiliation(s)
- Anuradha Singh
- Aquatic Toxicology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India
| | - Deepshi Chaurasia
- Aquatic Toxicology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India
| | - Nawaz Khan
- Aquatic Toxicology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India
| | - Ekta Singh
- Aquatic Toxicology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India
| | - Preeti Chaturvedi Bhargava
- Aquatic Toxicology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India.
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16
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Ferreira R, Morawski FM, Pessanha EC, de Lima SLS, da Costa DS, Ribeiro GAC, Vaz J, Mouta R, Tanaka AA, Liu L, da Silva MIP, Tofanello A, Vitorino HA, da Silva AGM, Garcia MAS. Facile Gram-Scale Synthesis of NiO Nanoflowers for Highly Selective and Sensitive Electrocatalytic Detection of Hydrazine. ACS OMEGA 2023; 8:11978-11986. [PMID: 37033825 PMCID: PMC10077530 DOI: 10.1021/acsomega.2c07638] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 02/07/2023] [Indexed: 06/01/2023]
Abstract
The design and development of efficient and electrocatalytic sensitive nickel oxide nanomaterials have attracted attention as they are considered cost-effective, stable, and abundant electrocatalytic sensors. However, although innumerable electrocatalysts have been reported, their large-scale production with the same activity and sensitivity remains challenging. In this study, we report a simple protocol for the gram-scale synthesis of uniform NiO nanoflowers (approximately 1.75 g) via a hydrothermal method for highly selective and sensitive electrocatalytic detection of hydrazine. The resultant material was characterized by scanning electron microscopy, X-ray photoelectron spectroscopy, and X-ray diffraction. For the production of the modified electrode, NiO nanoflowers were dispersed in Nafion and drop-cast onto the surface of a glassy carbon electrode (NiO NF/GCE). By cyclic voltammetry, it was possible to observe the excellent performance of the modified electrode toward hydrazine oxidation in alkaline media, providing an oxidation overpotential of only +0.08 V vs Ag/AgCl. In these conditions, the peak current response increased linearly with hydrazine concentration ranging from 0.99 to 98.13 μmol L-1. The electrocatalytic sensor showed a high sensitivity value of 0.10866 μA L μmol-1. The limits of detection and quantification were 0.026 and 0.0898 μmol L-1, respectively. Considering these results, NiO nanoflowers can be regarded as promising surfaces for the electrochemical determination of hydrazine, providing interesting features to explore in the electrocatalytic sensor field.
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Affiliation(s)
- Rayse
M. Ferreira
- Departamento
de Química, Centro de Ciências Exatas e Tecnologia, Universidade Federal do Maranhão (UFMA), Av. dos Portugueses, 1966 - Vila
Bacanga, 65080-805 São Luís, MA, Brazil
| | - Franciele M. Morawski
- Departamento
de Química, Universidade Federal
de Santa Catarina (UFSC), Eng. Agronômico Andrei Cristian Ferreira, s/n - Trindade, 88040-900 Florianópolis, SC, Brazil
| | - Emanuel C. Pessanha
- Departamento
de Engenharia Química e de Materiais - DEQM, Pontifícia Universidade Católica do Rio de Janeiro
(PUC-Rio), R. Marquês de São Vicente, 225 - Gávea, 22453-900 Rio de Janeiro, RJ, Brazil
| | - Scarllett L. S. de Lima
- Departamento
de Engenharia Química e de Materiais - DEQM, Pontifícia Universidade Católica do Rio de Janeiro
(PUC-Rio), R. Marquês de São Vicente, 225 - Gávea, 22453-900 Rio de Janeiro, RJ, Brazil
| | - Diana S. da Costa
- Departamento
de Química, Centro de Ciências Exatas e Tecnologia, Universidade Federal do Maranhão (UFMA), Av. dos Portugueses, 1966 - Vila
Bacanga, 65080-805 São Luís, MA, Brazil
| | - Geyse A. C. Ribeiro
- Departamento
de Química, Centro de Ciências Exatas e Tecnologia, Universidade Federal do Maranhão (UFMA), Av. dos Portugueses, 1966 - Vila
Bacanga, 65080-805 São Luís, MA, Brazil
| | - João Vaz
- Departamento
de Química, Centro de Ciências Exatas e Tecnologia, Universidade Federal do Maranhão (UFMA), Av. dos Portugueses, 1966 - Vila
Bacanga, 65080-805 São Luís, MA, Brazil
| | - Rodolpho Mouta
- Departamento
de Física, Universidade Federal do
Ceará (UFC), Av. Mister Hull, s/n − Pici, 60455-760 Fortaleza, CE, Brazil
| | - Auro A. Tanaka
- Departamento
de Química, Centro de Ciências Exatas e Tecnologia, Universidade Federal do Maranhão (UFMA), Av. dos Portugueses, 1966 - Vila
Bacanga, 65080-805 São Luís, MA, Brazil
| | - Liying Liu
- Centro
Brasileiro de Pesquisas Físicas, Rua Dr. Xavier Sigaud, 150 - Urca, 22290-180 Rio de Janeiro, RJ, Brazil
| | - Maria I. P. da Silva
- Departamento
de Engenharia Química e de Materiais - DEQM, Pontifícia Universidade Católica do Rio de Janeiro
(PUC-Rio), R. Marquês de São Vicente, 225 - Gávea, 22453-900 Rio de Janeiro, RJ, Brazil
| | - Aryane Tofanello
- Center for
Natural and Human Sciences (CCNH), Universidade
Federal do ABC (UFABC), Av. dos Estados, 5001, - Bangú, 09210-170 Santo André, SP, Brazil
| | - Hector A. Vitorino
- Centro
de Investigación en Biodiversidad para la Salud, Universidad Privada Norbert Wiener, Jirón Larrabure y Unanue 110, Lima 15108, Perú
| | - Anderson G. M. da Silva
- Departamento
de Engenharia Química e de Materiais - DEQM, Pontifícia Universidade Católica do Rio de Janeiro
(PUC-Rio), R. Marquês de São Vicente, 225 - Gávea, 22453-900 Rio de Janeiro, RJ, Brazil
| | - Marco A. S. Garcia
- Departamento
de Química, Centro de Ciências Exatas e Tecnologia, Universidade Federal do Maranhão (UFMA), Av. dos Portugueses, 1966 - Vila
Bacanga, 65080-805 São Luís, MA, Brazil
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17
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Liu M, Yuan J, Wang G, Ni N, Lv Q, Liu S, Gong Y, Zhao X, Wang X, Sun X. Shape programmable T1- T2 dual-mode MRI nanoprobes for cancer theranostics. NANOSCALE 2023; 15:4694-4724. [PMID: 36786157 DOI: 10.1039/d2nr07009j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The shape effect is an important parameter in the design of novel nanomaterials. Engineering the shape of nanomaterials is an effective strategy for optimizing their bioactive performance. Nanomaterials with a unique shape are beneficial to blood circulation, tumor targeting, cell uptake, and even improved magnetism properties. Therefore, magnetic resonance imaging (MRI) nanoprobes with different shapes have been extensively focused on in recent years. Different from other multimodal imaging techniques, dual-mode MRI can provide imaging simultaneously by a single instrument, which can avoid differences in penetration depth, and the spatial and temporal resolution of multiple imaging devices, and ensure the accurate matching of spatial and temporal imaging parameters for the precise diagnosis of early tumors. This review summarizes the latest developments of nanomaterials with various shapes for T1-T2 dual-mode MRI, and highlights the mechanism of how shape intelligently affects nanomaterials' longitudinal or transverse relaxation, namely sphere, hollow, core-shell, cube, cluster, flower, dumbbell, rod, sheet, and bipyramid shapes. In addition, the combination of T1-T2 dual-mode MRI nanoprobes and advanced therapeutic strategies, as well as possible challenges from basic research to clinical transformation, are also systematically discussed. Therefore, this review will help others quickly understand the basic information on dual-mode MRI nanoprobes and gather thought-provoking ideas to advance the subfield of cancer nanomedicine.
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Affiliation(s)
- Menghan Liu
- School of Chemistry and Pharmaceutical Engineering, Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan 250000, China.
| | - Jia Yuan
- School of Chemistry and Pharmaceutical Engineering, Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan 250000, China.
| | - Gongzheng Wang
- Department of Radiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, China.
| | - Nengyi Ni
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 117585, Singapore
| | - Qian Lv
- School of Chemistry and Pharmaceutical Engineering, Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan 250000, China.
| | - Shuangqing Liu
- School of Chemistry and Pharmaceutical Engineering, Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan 250000, China.
| | - Yufang Gong
- School of Chemistry and Pharmaceutical Engineering, Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan 250000, China.
| | - Xinya Zhao
- Department of Radiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, China.
| | - Ximing Wang
- Department of Radiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, China.
| | - Xiao Sun
- School of Chemistry and Pharmaceutical Engineering, Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan 250000, China.
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18
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Nanozymes and nanoflower: Physiochemical properties, mechanism and biomedical applications. Colloids Surf B Biointerfaces 2023; 225:113241. [PMID: 36893662 DOI: 10.1016/j.colsurfb.2023.113241] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 02/08/2023] [Accepted: 03/03/2023] [Indexed: 03/07/2023]
Abstract
Natural enzymes possess several drawbacks which limits their application in industries, wastewater remediation and biomedical field. Therefore, in recent years researchers have developed enzyme mimicking nanomaterials and enzymatic hybrid nanoflower which are alternatives of enzyme. Nanozymes and organic inorganic hybrid nanoflower have been developed which mimics natural enzymes functionalities such as diverse enzyme mimicking activities, enhanced catalytic activities, low cost, ease of preparation, stability and biocompatibility. Nanozymes include metal and metal oxide nanoparticles mimicking oxidases, peroxidases, superoxide dismutase and catalases while enzymatic and non-enzymatic biomolecules were used for preparing hybrid nanoflower. In this review nanozymes and hybrid nanoflower have been compared in terms of physiochemical properties, common synthetic routes, mechanism of action, modification, green synthesis and application in the field of disease diagnosis, imaging, environmental remediation and disease treatment. We also address the current challenges facing nanozyme and hybrid nanoflower research and the possible way to fulfil their potential in future.
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19
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Qiao M, Liu Y, Wei M. Dual-signal output fluorescent aptasensor based on DNA programmability and gold nanoflowers for multiple mycotoxins detection. Anal Bioanal Chem 2023; 415:277-288. [PMID: 36376716 DOI: 10.1007/s00216-022-04403-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 10/04/2022] [Accepted: 10/25/2022] [Indexed: 11/16/2022]
Abstract
Herein, a dual-signal output fluorescent aptamer sensor was constructed for the simultaneous detection of aflatoxin B1 (AFB1) and ochratoxin A (OTA) using the specific recognition ability of aptamers and the programmability of DNA. A functional capture probe (cDNA) was designed with the black hole quenching motif BHQ1 labeled at the 5' end and biotin (bio) labeled at the 3' end. The fluorescent dye Cy3-labeled aflatoxin B1 aptamer (AFB1-Apt) and the carboxyfluorescein FAM-labeled ochratoxin A aptamer (OTA-Apt) were used as two fluorescent probes. The cDNA is anchored to the quenching material gold nanoflowers (AuNFs) by the action of streptavidin (SA) and biotin. Its ends can be complementarily paired with two fluorescent probe bases to form a double-stranded structure. The fluorescence of Cy3 was quenched by AuNFs, and the fluorescence of FAM was quenched by BHQ1 through the fluorescence energy resonance transfer (FRET) effect, forming a fluorescence quenching system. Due to the high affinity of the target and the aptamer, the structure of the aptamer probe changes and detaches from the sensor when AFB1 and OTA are present, resulting in enhanced fluorescence. Under optimal conditions, the linear range of AFB1 was 0.1-100 ng/mL (R2 = 0.996), the limit of detection (LOD) was as low as 0.014 ng/mL, and the limit of quantification (LOQ) was 0.046 ng/mL. The linear range of OTA was 0.1-100 ng/mL (R2 = 0.995), the limit of detection (LOD) was as low as 0.027 ng/mL, and the limit of quantification (LOQ) was 0.089 ng/mL. The sensor had high accuracy in detecting both AFB1 and OTA in real sample analysis. The results of the t test show that there is no significant difference between the results of this study and the high-performance liquid phase (HPLC) method, indicating that the prepared sensor can be used as a potential platform for multiple mycotoxins detection.
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Affiliation(s)
- Mengxiang Qiao
- College of Food Science and Technology, Henan Key Laboratory of Cereal and Oil Food Safety Inspection and Control, Henan University of Technology, Zhengzhou, 450001, People's Republic of China
| | - Yong Liu
- College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, People's Republic of China
| | - Min Wei
- College of Food Science and Technology, Henan Key Laboratory of Cereal and Oil Food Safety Inspection and Control, Henan University of Technology, Zhengzhou, 450001, People's Republic of China.
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Taranova NA, Bulanaya AA, Zherdev AV, Dzantiev BB. Triple Enhancement for Sensitive Immunochromatographic Assay: A Case Study for Human Fatty Acid-Binding Protein Detection. BIOSENSORS 2022; 12:1166. [PMID: 36551132 PMCID: PMC9775130 DOI: 10.3390/bios12121166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 11/29/2022] [Accepted: 12/12/2022] [Indexed: 06/17/2023]
Abstract
The work considers a combination of three enhancing approaches for immunochromatographic assay (ICA) and the integration of their impacts into changes of the limit of detection (LOD). Human fatty acid binding protein (FABP), an early biomarker of acute myocardial infarction, was the target analyte. Starting from the common ICA protocol with an LOD equal to 11.2 ng/mL, three approaches were realized: (1) replacement of spherical gold nanoparticles with gold nanoflowers having a branched surface (20-fold lowering the LOD); (2) enhanced labeling of immune complexes via nanoparticle aggregates (15-fold lowering); (3) in-situ growth of bound nanoparticles by reduction of gold salts (3-fold lowering). Single and combined implementations of these approaches have been studied. It has been shown that the LOD decrease for combined approaches is close to the multiplied contribution of each of them. The final LOD for FABP was 0.05 ng/mL, which is 220 times lower than the LOD for the common ICA protocol. The efficiency of the enhanced ICA with three combined approaches was confirmed by testing human serum samples for FABP presence and content. The development presents a new efficient technique for rapid sensitive detection of FABP for medical diagnostics. Moreover, the demonstrated multiple enhancements could be applied for various demanded analytes.
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21
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Shi H, Shi C, Jia Z, Zhang L, Wang H, Chen J. Titanium dioxide-based anode materials for lithium-ion batteries: structure and synthesis. RSC Adv 2022; 12:33641-33652. [PMID: 36505712 PMCID: PMC9682492 DOI: 10.1039/d2ra05442f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 11/08/2022] [Indexed: 11/24/2022] Open
Abstract
Lithium-ion batteries (LIBs) have high energy density, long life, good safety, and environmental friendliness, and have been widely used in large-scale energy storage and mobile electronic devices. As a cheap and non-toxic anode material for LIBs, titanium dioxide (TiO2) has a good application prospect. However, its poor electrical conductivity leads to unsatisfactory electrochemical performance, which limits its large-scale application. In this review, the structure of three TiO2 polymorphs which are widely investigated are briefly described, then the preparation and electrochemical performance of TiO2 with different morphologies, such as nanoparticles, nanowires, nanotubes, and nanospheres, and the related research on the TiO2 composite materials with carbon, silicon, and metal materials are discussed. Finally, the development trend of TiO2-based anode materials for LIBs has been briefly prospected.
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Affiliation(s)
- Huili Shi
- College of Chemistry and Chemical Engineering, Guizhou University Guiyang 550025 China
| | - Chaoyun Shi
- College of Chemistry and Chemical Engineering, Guizhou University Guiyang 550025 China
| | - Zhitong Jia
- College of Chemistry and Chemical Engineering, Guizhou University Guiyang 550025 China
| | - Long Zhang
- College of Chemistry and Chemical Engineering, Guizhou University Guiyang 550025 China
| | - Haifeng Wang
- College of Material and Metallurgy, Guizhou University Guiyang 550025 China
| | - Jingbo Chen
- College of Chemistry and Chemical Engineering, Guizhou University Guiyang 550025 China
- Collaborative Innovation Center of Guizhou Province for Efficient Utilization of Phosphorus and Fluorine Resources, Guizhou University Guiyang 550025 China
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22
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Şaylan M, Demirel R, Ayyıldız MF, Chormey DS, Çetin G, Bakırdere S. Nickel hydroxide nanoflower-based dispersive solid-phase extraction of copper from water matrix. ENVIRONMENTAL MONITORING AND ASSESSMENT 2022; 195:133. [PMID: 36409393 DOI: 10.1007/s10661-022-10653-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Accepted: 10/07/2022] [Indexed: 06/16/2023]
Abstract
In this work, a dispersive solid-phase extraction method based on Ni(OH)2 nanoflowers (Ni(OH)2-NFs-DSPE) was developed to separate and preconcentrate copper ions from tap water samples for determination by flame atomic absorption spectrometry (FAAS). Ni(OH)2-NFs was synthesized using a homogeneous precipitation technique and used as sorbent for copper preconcentration. X-ray diffraction, scanning electron microscopy, and Fourier-transform infrared spectroscopy were used to characterize the synthesized sorbent. All experimental variables were carefully optimized to achieve a high enhancement factor of 107.5-folds with respect to the detection sensitivity of the conventional FAAS. The proposed method's analytical parameters including LOD, LOQ, and linear range were determined as 1.33 μg/L, 4.42 μg/L, and 3.0-40 μg/L, respectively. To assess the applicability and reliability of the developed method, optimal conditions were applied to tap water samples and satisfactory percent recoveries (94-103%) were obtained for the samples spiked at 20 and 30 μg/L. This validated the accuracy and feasibility of the developed method to real samples. The developed method can be described as a simple, efficient, and rapid analytical approach for the accurate determination of trace copper ions in water samples.
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Affiliation(s)
- Meltem Şaylan
- Department of Chemistry, Yıldız Technical University, 34220, Istanbul, Turkey
- Department of Pharmacy, İstanbul Health and Technology University, Seyitnizam Street, No: 85, Istanbul, Turkey
| | - Rabia Demirel
- Department of Chemistry, Yıldız Technical University, 34220, Istanbul, Turkey
| | | | - Doste Selali Chormey
- Neutec Pharmaceutical, Yıldız Technical University Teknopark, 34220, Istanbul, Turkey
| | - Gülten Çetin
- Department of Chemistry, Yıldız Technical University, 34220, Istanbul, Turkey.
| | - Sezgin Bakırdere
- Department of Chemistry, Yıldız Technical University, 34220, Istanbul, Turkey.
- Turkish Academy of Sciences (TÜBA), Vedat Dalokay Street, No: 112, 06670, Cankaya, 06690, Ankara, Turkey.
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Arvind Ahire S, Ashok Bachhav A, Bhavsing Pawar T, Sonu Jagdale B, Vitthal Patil A, Bhimrao Koli P. The augmentation of nanotechnology era: A concise review on fundamental concepts of nanotechnology and applications in material science and technology. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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Anboo S, Lau SY, Kansedo J, Yap P, Hadibarata T, Jeevanandam J, Kamaruddin AH. Recent advancements in enzyme-incorporated nanomaterials: Synthesis, mechanistic formation, and applications. Biotechnol Bioeng 2022; 119:2609-2638. [PMID: 35851660 PMCID: PMC9543334 DOI: 10.1002/bit.28185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 06/21/2022] [Accepted: 07/15/2022] [Indexed: 11/09/2022]
Abstract
Over the past decade, nanotechnology has been developed and employed across various entities. Among the numerous nanostructured material types, enzyme-incorporated nanomaterials have shown great potential in various fields, as an alternative to biologically derived as well as synthetically developed hybrid structures. The mechanism of incorporating enzyme onto a nanostructure depends on several factors including the method of immobilization, type of nanomaterial, as well as operational and environmental conditions. The prospects of enzyme-incorporated nanomaterials have shown promising results across various applications, such as biocatalysts, biosensors, drug therapy, and wastewater treatment. This is due to their excellent ability to exhibit chemical and physical properties such as high surface-to-volume ratio, recovery and/or reusability rates, sensitivity, response scale, and stable catalytic activity across wide operating conditions. In this review, the evolution of enzyme-incorporated nanomaterials along with their impact on our society due to its state-of-the-art properties, and its significance across different industrial applications are discussed. In addition, the weakness and future prospects of enzyme-incorporated nanomaterials were also discussed to guide scientists for futuristic research and development in this field.
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Affiliation(s)
- Shamini Anboo
- Department of Chemical EngineeringFaculty of Engineering and Science, Curtin University MalaysiaMiriSarawakMalaysia
| | - Sie Yon Lau
- Department of Chemical EngineeringFaculty of Engineering and Science, Curtin University MalaysiaMiriSarawakMalaysia
| | - Jibrail Kansedo
- Department of Chemical EngineeringFaculty of Engineering and Science, Curtin University MalaysiaMiriSarawakMalaysia
| | - Pow‐Seng Yap
- Department of Civil EngineeringXi'an Jiaotong‐Liverpool UniversitySuzhouChina
| | - Tony Hadibarata
- Department of Chemical EngineeringFaculty of Engineering and Science, Curtin University MalaysiaMiriSarawakMalaysia
| | | | - Azlina H. Kamaruddin
- School of Chemical EngineeringUniversiti Sains MalaysiaSeberang Perai SelatanPenangMalaysia
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Synthesis of hybrid nanoflowers using extract of Ascoseira mirabilis, a large brown parenchymatous macroalga endemic to the Antarctic Ocean, as the organic component and evaluation of their antimicrobial, catalytic, and antioxidant activities. APPLIED NANOSCIENCE 2022. [DOI: 10.1007/s13204-022-02618-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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26
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Development of sensitive and portable immunosensors based on signal amplification probes for monitoring the mercury(II) ions. Biosens Bioelectron 2022; 217:114676. [PMID: 36126556 DOI: 10.1016/j.bios.2022.114676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 08/18/2022] [Accepted: 08/28/2022] [Indexed: 11/02/2022]
Abstract
Mercury ion (Hg2+) as a major environmental pollutant threatens human health even at very low concentrations, so it is essential to monitor mercury residues in food. In this study, Hg2+ was conjugated with protein carrier using 1-(4-Isothiocyanobenzyl) ethylenediamine N, N, N', N'-tetraacetic acid (ITCBE) as a bifunctional chelator. 7A1 monoclonal antibody (mAb) against Hg2+-ITCBE with high affinity (7.3 × 109 L/moL) and good specificity was obtained by cell fusion technology and performed to establish immunosensors. Immunochromatographic test strip using colloidal gold nanoparticles (AuNP with an average diameter of 18 nm) as signal reporter showed low sensitivity. Signal amplification probes including larger multi-branched gold nanoflowers (AuNF) and latex microspheres (LM) were employed to enhance the sensitivity of immunosensors. The visible limit of detection (vLOD) of the AuNF- and LM-based strip were determined to be 50 ng/mL and 25 ng/mL respectively, showing more sensitive than that of AuNP-based strip (200 ng/mL). Quantitative analysis showed that AuNF-based strip exhibited lower quantitative limit of detection (qLOD) (0.44 ng/mL) which was 20-fold lower than that of AuNP-based strip (8.92 ng/mL) for determination of Hg2+, and LM-based strip (0.49 ng/mL) was 18 times as sensitive as AuNP-based strip. In summary, the developed immunosensors using AuNF and LM as signal amplification probes exhibited excellent sensitivity and provided portable, on-site detection for Hg2+.
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Lee SJ, Jang H, Lee DN. Inorganic Nanoflowers—Synthetic Strategies and Physicochemical Properties for Biomedical Applications: A Review. Pharmaceutics 2022; 14:pharmaceutics14091887. [PMID: 36145635 PMCID: PMC9505446 DOI: 10.3390/pharmaceutics14091887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 08/30/2022] [Accepted: 09/02/2022] [Indexed: 11/29/2022] Open
Abstract
Nanoflowers, which are flower-shaped nanomaterials, have attracted significant attention from scientists due to their unique morphologies, facile synthetic methods, and physicochemical properties such as a high surface-to-volume ratio, enhanced charge transfer and carrier immobility, and an increased surface reaction efficiency. Nanoflowers can be synthesized using inorganic or organic materials, or a combination of both (called a hybrid), and are mainly used for biomedical applications. Thus far, researchers have focused on hybrid nanoflowers and only a few studies on inorganic nanoflowers have been reported. For the first time in the literature, we have consolidated all the reports on the biomedical applications of inorganic nanoflowers in this review. Herein, we review some important inorganic nanoflowers, which have applications in antibacterial treatment, wound healing, combinatorial cancer therapy, drug delivery, and biosensors to detect diseased conditions such as diabetes, amyloidosis, and hydrogen peroxide poisoning. In addition, we discuss the recent advances in their biomedical applications and preparation methods. Finally, we provide a perspective on the current trends and potential future directions in nanoflower research. The development of inorganic nanoflowers for biomedical applications has been limited to date. Therefore, a diverse range of nanoflowers comprising inorganic elements and materials with composite structures must be synthesized using ecofriendly synthetic strategies.
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Affiliation(s)
- Su Jung Lee
- Ingenium College of Liberal Arts (Chemistry), Kwangwoon University, Seoul 01897, Korea
| | - Hongje Jang
- Department of Chemistry, Kwangwoon University, Seoul 01897, Korea
- Correspondence: (H.J.); (D.N.L.)
| | - Do Nam Lee
- Ingenium College of Liberal Arts (Chemistry), Kwangwoon University, Seoul 01897, Korea
- Correspondence: (H.J.); (D.N.L.)
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28
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Chakraborty A, Ruzimuradov O, Gupta RK, Cho J, Prakash J. TiO 2 nanoflower photocatalysts: Synthesis, modifications and applications in wastewater treatment for removal of emerging organic pollutants. ENVIRONMENTAL RESEARCH 2022; 212:113550. [PMID: 35654159 DOI: 10.1016/j.envres.2022.113550] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 05/17/2022] [Accepted: 05/19/2022] [Indexed: 06/15/2023]
Abstract
Titanium dioxide (TiO2) has been considered as one of the most promising photocatalysts nanomaterials and is being used in a variety of fields of energy and environment under sunlight irradiation via photocatalysis. Highly efficient photocatalytic materials require the design of the proper structure with excellent morphology, interfacial structures, optical and surface properties, etc. Which are the key points to realize effective light-harvesting for photocatalytic applications. Hierarchical TiO2 based nanoflower structures (i.e., 3D nanostructures) possess such characteristics and have attracted much attention in recent years. The uniqueness of TiO2 nanoflowers (NFs) with a coarse texture and arranged structures demonstrates higher photocatalytic activity. This review deals with the hydrothermal synthesis of 3D TiO2 NFs and effect of shape/size as well as various key synthesis parameters to improve their optoelectronic and photocatalytic properties. Furthermore, to improve their photocatalytic properties, various strategies such as doping engineering and heterojunction/nanocomposite formation with other functional nanomaterials have been discussed followed by their potential applications in photocatalytic degradation of various emerging pollutants discharged into the wastewater from various sources. Importance of such 3D nanoarchitecutres and future research in other fields of current interest in environments are discussed.
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Affiliation(s)
- Anirban Chakraborty
- Department of Chemistry, National Institute of Technology Durgapur, Durgapur, 713209, West Bengal, India
| | - Olim Ruzimuradov
- Department of Natural and Mathematic Sciences, Turin Polytechnic University in Tashkent, Malaya Kolsevaya 17, Tashkent, 100095, Uzbekistan
| | - Raju Kumar Gupta
- Department of Chemical Engineering, Indian Institute of Technology Kanpur, Kanpur, 208016, India
| | - Junghyun Cho
- Department of Mechanical Engineering & Materials Science and Engineering Program, State University of New York (SUNY), Binghamton, NY, 13902-6000, USA
| | - Jai Prakash
- Department of Chemistry, National Institute of Technology Hamirpur, Hamirpur, 177005, Himachal Pradesh, India.
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29
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Gutiérrez de la Rosa SY, Muñiz Diaz R, Villalobos Gutiérrez PT, Patakfalvi R, Gutiérrez Coronado Ó. Functionalized Platinum Nanoparticles with Biomedical Applications. Int J Mol Sci 2022; 23:9404. [PMID: 36012670 PMCID: PMC9409011 DOI: 10.3390/ijms23169404] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Revised: 08/15/2022] [Accepted: 08/17/2022] [Indexed: 12/21/2022] Open
Abstract
Functionalized platinum nanoparticles have been of considerable interest in recent research due to their properties and applications, among which they stand out as therapeutic agents. The functionalization of the surfaces of nanoparticles can overcome the limits of medicine by increasing selectivity and thereby reducing the side effects of conventional drugs. With the constant development of nanotechnology in the biomedical field, functionalized platinum nanoparticles have been used to diagnose and treat diseases such as cancer and infections caused by pathogens. This review reports on physical, chemical, and biological methods of obtaining platinum nanoparticles and the advantages and disadvantages of their synthesis. Additionally, applications in the biomedical field that can be utilized once the surfaces of nanoparticles have been functionalized with different bioactive molecules are discussed, among which antibodies, biodegradable polymers, and biomolecules stand out.
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Affiliation(s)
| | | | | | | | - Óscar Gutiérrez Coronado
- Centro Universitario de los Lagos, Universidad de Guadalajara, Lagos de Moreno 47460, Jalisco, Mexico
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30
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Mokhtar HE, Xu A, Xu Y, Fadlalla MH, Wang S. Preparation of Monoclonal Antibody against Deoxynivalenol and Development of Immunoassays. Toxins (Basel) 2022; 14:toxins14080533. [PMID: 36006195 PMCID: PMC9415657 DOI: 10.3390/toxins14080533] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 07/27/2022] [Accepted: 07/28/2022] [Indexed: 11/16/2022] Open
Abstract
Fusarium toxins are the largest group of mycotoxins, which contain more than 140 known secondary metabolites of fungi. Deoxynivalenol (DON) is one of the most important compounds of this class due to its high toxicity and its potential to harm mankind and animals and a widespread contaminant of agricultural commodities, such as wheat, corn, barley, oats, bread, and biscuits. Herein, a hybridoma cell 8G2 secreting mAb against DON was produced by fusing the splenocytes with a tumor cell line Sp2/0. The obtained mAb had a high affinity (2.39 × 109 L/mol) to DON. An indirect competitive Enzyme-Linked Immunosorbent Assay (ic-ELISA) showed that the linear range for DON detection was 3.125–25 μg/mL, and the minimum inhibitory concentration (IC50) was 18.125 μg/mL with a limit of detection (LOD) of 7.875 μg/mL. A colloidal gold nanoparticle (AuNP) with 20 nm in diameter was synthesized for on-site detection of DON within 10 min with vLOD of 20 μg/mL. To improve the limit of detection, the gold nanoflower (AuNF) with a larger size (75 nm) was used to develop the AuNF-based strip with vLOD of 6.67 μg/mL. Compared to the vLOD of a convectional AuNP-based strip, the AuNF-based strip was three times lower. Herein, three immunoassay methods (ic-ELISA and AuNP/AuNF-based strips) were successfully developed, and these methods could be applied for the DON detection in agricultural products.
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31
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Ju C, Liang B, Xu Q, Qu H, Zhang A. Determination of Escherichia coli O157:H7 Using a Flower-like Concanavalin A Copper (II) Phosphate Nanocomposite as a Probe for Lateral Flow Biosensing. ANAL LETT 2022. [DOI: 10.1080/00032719.2022.2098311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Affiliation(s)
| | | | - Qingbo Xu
- Jilin FAW General Hospital, Changchun, China
| | - Haili Qu
- Jilin FAW General Hospital, Changchun, China
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Tuning Immobilized Commercial Lipase Preparations Features by Simple Treatment with Metallic Phosphate Salts. Molecules 2022; 27:molecules27144486. [PMID: 35889359 PMCID: PMC9320038 DOI: 10.3390/molecules27144486] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 07/07/2022] [Accepted: 07/12/2022] [Indexed: 01/27/2023] Open
Abstract
Four commercial immobilized lipases biocatalysts have been submitted to modifications with different metal (zinc, cobalt or copper) phosphates to check the effects of this modification on enzyme features. The lipase preparations were Lipozyme®TL (TLL-IM) (lipase from Thermomyces lanuginose), Lipozyme®435 (L435) (lipase B from Candida antarctica), Lipozyme®RM (RML-IM), and LipuraSelect (LS-IM) (both from lipase from Rhizomucor miehei). The modifications greatly altered enzyme specificity, increasing the activity versus some substrates (e.g., TLL-IM modified with zinc phosphate in hydrolysis of triacetin) while decreasing the activity versus other substrates (the same preparation in activity versus R- or S- methyl mandelate). Enantiospecificity was also drastically altered after these modifications, e.g., LS-IM increased the activity versus the R isomer while decreasing the activity versus the S isomer when treated with copper phosphate. Regarding the enzyme stability, it was significantly improved using octyl-agarose-lipases. Using all these commercial biocatalysts, no significant positive effects were found; in fact, a decrease in enzyme stability was usually detected. The results point towards the possibility of a battery of biocatalysts, including many different metal phosphates and immobilization protocols, being a good opportunity to tune enzyme features, increasing the possibilities of having biocatalysts that may be suitable for a specific process.
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Sethulekshmi AS, Appukuttan S, Joseph K, Aprem AS, Sisupal SB. MoS 2 based nanomaterials: Advanced antibacterial agents for future. J Control Release 2022; 348:158-185. [PMID: 35662576 DOI: 10.1016/j.jconrel.2022.05.047] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 05/23/2022] [Accepted: 05/26/2022] [Indexed: 02/08/2023]
Abstract
Bacterial infections are yet another serious threat to human health. Misuse or overuse of conventional antibiotics has led to the arrival of various super resistant bacteria along with many serious side effects to human body. In this exigent circumstance, the use of nanomaterial based antibacterial agents is one of the most appropriate solutions to fight against bacteria thereby causing an inhibition to bacterial proliferation. Recent studies show that, due to the large surface area, high biocompatibility, strong near-infrared (NIR) absorption and low cytotoxicity, molybdenum disulphide (MoS2), an extraordinary member in the transition metal dichalcogenides (TMDs) is extensively explored in the obliteration of many drug resistant bacteria, photothermal therapy and drug delivery. MoS2 based nanomaterials can effectively prevent bacterial growth through many mechanisms. Through this review, we have tried to provide an inclusive knowledge on the recent progress of antibacterial studies in MoS2 based nanomaterials including MoS2 nanosheets, nanoflowers, quantum dot (QD), hybrid nanocomposites and polymer nanocomposites. Moreover, toxicity of MoS2 based nanomaterials is described at the end of the review.
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Affiliation(s)
- A S Sethulekshmi
- Department of Chemistry, Amrita Vishwa Vidyapeetham, Amritapuri, Kollam, Kerala, India
| | - Saritha Appukuttan
- Department of Chemistry, Amrita Vishwa Vidyapeetham, Amritapuri, Kollam, Kerala, India..
| | - Kuruvilla Joseph
- Department of Chemistry, Indian Institute of Space Science and Technology, Valiyamala PO, Kerala, India.
| | - Abi Santhosh Aprem
- Corporate R&D Centre, HLL Lifecare Ltd. Akkulam, Trivandrum, Kerala, India.
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Mohire SS, Yadav GD. Bimetallic Cu–Ni Nanometal Supported over Mesocellular Silica Foam As a Novel Catalyst for One-Pot Synthesis of Benzimidazole in DMF As a Bifunctional Reagent. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c01344] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Shalaka S. Mohire
- Department of Chemical Engineering, Institute of Chemical Technology, Nathalal Parekh Marg, Matunga, Mumbai 400 019, India
| | - Ganapati D. Yadav
- Department of Chemical Engineering, Institute of Chemical Technology, Nathalal Parekh Marg, Matunga, Mumbai 400 019, India
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Bor E, Koca Caliskan U, Anlas C, Durbilmez GD, Bakirel T, Ozdemir N. Synthesis of Persea americana extract based hybrid nanoflowers as a new strategy to enhance hyaluronidase and gelatinase inhibitory activity and the evaluation of their toxicity potential. INORG NANO-MET CHEM 2022. [DOI: 10.1080/24701556.2022.2072342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Emrah Bor
- Faculty of Pharmacy, Department of Pharmacognosy, Gazi University, Ankara, Turkey
| | - Ufuk Koca Caliskan
- Faculty of Pharmacy, Department of Pharmacognosy, Gazi University, Ankara, Turkey
- Faculty of Pharmacy, Department of Pharmacognosy, Duzce University, Duzce, Turkey
| | - Ceren Anlas
- Faculty of Veterinary Medicine, Department of Pharmacology and Toxicology, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | | | - Tulay Bakirel
- Faculty of Veterinary Medicine, Department of Pharmacology and Toxicology, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Nalan Ozdemir
- Department of Chemistry, Faculty of Science, Erciyes University, Kayseri, Turkey
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Zhu CY, Li FL, Zhang YW, Gupta RK, Patel SKS, Lee JK. Recent Strategies for the Immobilization of Therapeutic Enzymes. Polymers (Basel) 2022; 14:polym14071409. [PMID: 35406282 PMCID: PMC9003532 DOI: 10.3390/polym14071409] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 03/18/2022] [Accepted: 03/23/2022] [Indexed: 02/04/2023] Open
Abstract
Therapeutic enzymes play important roles in modern medicine due to their high affinity and specificity. However, it is very expensive to use them in clinical medicine because of their low stability and bioavailability. To improve the stability and effectiveness of therapeutic enzymes, immobilization techniques have been employed to enhance the applications of therapeutic enzymes in the past few years. Reported immobilization techniques include entrapment, adsorption, and covalent attachment. In addition, protein engineering is often used to improve enzyme properties; however, all methods present certain advantages and limitations. For carrier-bound immobilization, the delivery and release of the immobilized enzyme depend on the properties of the carrier and enzyme. In this review, we summarize the advantages and challenges of the current strategies developed to deliver therapeutic enzymes and provide a future perspective on the immobilization technologies used for therapeutic enzyme delivery.
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Affiliation(s)
- Chen-Yuan Zhu
- School of Pharmacy, Jiangsu University, Zhenjiang 212013, China; (C.-Y.Z.); (F.-L.L.)
| | - Fei-Long Li
- School of Pharmacy, Jiangsu University, Zhenjiang 212013, China; (C.-Y.Z.); (F.-L.L.)
| | - Ye-Wang Zhang
- School of Pharmacy, Jiangsu University, Zhenjiang 212013, China; (C.-Y.Z.); (F.-L.L.)
- Correspondence: (Y.-W.Z.); (S.K.S.P.); (J.-K.L.); Tel.: +82-2-450-3505 (J.-K.L.)
| | - Rahul K. Gupta
- Department of Chemical Engineering, Konkuk University, Seoul 05029, Korea;
| | - Sanjay K. S. Patel
- Department of Chemical Engineering, Konkuk University, Seoul 05029, Korea;
- Correspondence: (Y.-W.Z.); (S.K.S.P.); (J.-K.L.); Tel.: +82-2-450-3505 (J.-K.L.)
| | - Jung-Kul Lee
- Department of Chemical Engineering, Konkuk University, Seoul 05029, Korea;
- Correspondence: (Y.-W.Z.); (S.K.S.P.); (J.-K.L.); Tel.: +82-2-450-3505 (J.-K.L.)
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Development of Immunochromatographic Strip for Detection of αB-VxXXIVA-Conotoxin Based on 5E4 Monoclonal Antibody. Toxins (Basel) 2022; 14:toxins14030191. [PMID: 35324688 PMCID: PMC8953961 DOI: 10.3390/toxins14030191] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 02/22/2022] [Accepted: 02/28/2022] [Indexed: 01/19/2023] Open
Abstract
Given the application of αB-VxXXIVA-conotoxin (αB-CTX) in analgesics and cancer chemotherapeutics, and its threat to humans, it is urgent to develop a rapid, effective and accurate method for the analysis and detection of αB-CTX in real shellfish and medicine drug samples. In the present study, two different immunochromatographic strips were established for αB-CTX detection, based on the monoclonal antibody 5E4 against αB-CTX, and the visual limits of detection (vLOD) for the colloidal gold nanoparticles-based strip (AuNPs-based strip) and nanoflowers-based strip (AuNFs-based strip) were 4 μg/mL and 1.5 μg/mL, respectively. The developed AuNPs-/AuNFs-based strips have good specificity and accuracy, and the detection results were analyzed in less than 10 min, without using an instrument. In view of the excellent repeatability and usability, the established methods could be applied to detect and analyze the content of αB-CTX in real samples.
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Abdullah FH, Bakar NHHA, Bakar MA. Current advancements on the fabrication, modification, and industrial application of zinc oxide as photocatalyst in the removal of organic and inorganic contaminants in aquatic systems. JOURNAL OF HAZARDOUS MATERIALS 2022; 424:127416. [PMID: 34655867 DOI: 10.1016/j.jhazmat.2021.127416] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 09/08/2021] [Accepted: 09/30/2021] [Indexed: 06/13/2023]
Abstract
Industrial wastewaters contain hazardous contaminants that pollute the environment and cause socioeconomic problems, thus demanding the employment of effective remediation procedures such as photocatalysis. Zinc oxide (ZnO) nanomaterials have emerged to be a promising photocatalyst for the removal of pollutants in wastewater owing to their excellent and attractive characteristics. The dynamic tunable features of ZnO allow a wide range of functionalization for enhanced photocatalytic efficiency. The current review summarizes the recent advances in the fabrication, modification, and industrial application of ZnO photocatalyst based on the analysis of the latest studies, including the following aspects: (1) overview on the properties, structures, and features of ZnO, (2) employment of dopants, heterojunction, and immobilization techniques for improved photodegradation performance, (3) applicability of suspended and immobilized photocatalytic systems, (4) application of ZnO hybrids for the removal of various types of hazardous pollutants from different wastewater sources in industries, and (5) potential of bio-inspired ZnO hybrid nanomaterials for photocatalytic applications using renewable and biodegradable resources for greener photocatalytic technologies. In addition, the knowledge gap in this field of work is also highlighted.
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Affiliation(s)
- F H Abdullah
- Nanoscience Research Laboratory, School of Chemical Sciences, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia.
| | - N H H Abu Bakar
- Nanoscience Research Laboratory, School of Chemical Sciences, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia.
| | - M Abu Bakar
- Nanoscience Research Laboratory, School of Chemical Sciences, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia
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Akshaykranth A, Jayarambabu N, Venkatappa Rao T, Rakesh Kumar R, Srinivasa Rao L. Antibacterial activity study of ZnO incorporated biodegradable poly (lactic acid) films for food packaging applications. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-022-04126-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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40
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A fluorescent aptasensor for Pb2+ detection based on gold nanoflowers and RecJf exonuclease-induced signal amplification. Anal Chim Acta 2022; 1192:339329. [DOI: 10.1016/j.aca.2021.339329] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 11/24/2021] [Indexed: 11/22/2022]
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41
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da Costa FP, Cipolatti EP, Furigo Junior A, Oliveira Henriques R. Nanoflowers: A New Approach of Enzyme Immobilization. CHEM REC 2022; 22:e202100293. [PMID: 35103373 DOI: 10.1002/tcr.202100293] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 01/17/2022] [Indexed: 01/15/2023]
Abstract
Enzymes are biocatalysts known for versatility, selectivity, and brand operating conditions compared to chemical catalysts. However, there are limitations to their large-scale application, such as the high costs of enzymes and their low stability under extreme reaction conditions. Immobilization techniques can efficiently solve these problems; nevertheless, most current methods lead to a significant loss of enzymatic activity and require several steps of activation and functionalization of the supports. In this context, a new form of immobilization has been studied: forming organic-inorganic hybrids between metal phosphates as inorganic parts and enzymes as organic parts. Compared to traditional immobilization methods, the advantages of these nanomaterials are high surface area, simplicity of synthesis, high stability, and catalytic activity. The current study presents an overview of organic-inorganic hybrid nanoflowers and their applications in enzymatic catalysis.
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Affiliation(s)
- Felipe Pereira da Costa
- Department of Chemical Engineering and Food Engineering, Federal University of Santa Catarina - UFSC, Florianópolis, SC 88010-970
| | - Eliane Pereira Cipolatti
- Department of Chemical Engineering, Federal Rural University of Rio de Janeiro - UFRRJ, Seropédica, RJ 23890-000, Brazil
| | - Agenor Furigo Junior
- Department of Chemical Engineering and Food Engineering, Federal University of Santa Catarina - UFSC, Florianópolis, SC 88010-970
| | - Rosana Oliveira Henriques
- Department of Chemical Engineering and Food Engineering, Federal University of Santa Catarina - UFSC, Florianópolis, SC 88010-970
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42
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Green synthesis of adsorbent nanoflowers for efficient removal of toxins. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-021-02020-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Abstract
This study describes a world of new carbon “fullerene” allotropes that may be synthesized by molten carbonate electrolysis using greenhouse CO2 as the reactant. Beyond the world of conventional diamond, graphite and buckyballs, a vast array of unique nanocarbon structures exist. Until recently, CO2 was thought to be unreactive. Here, we show that CO2 can be transformed into distinct nano-bamboo, nano-pearl, nano-dragon, solid and hollow nano-onion, nano-tree, nano-rod, nano-belt and nano-flower morphologies of carbon. The capability to produce these allotropes at high purity by a straightforward electrolysis, analogous to aluminum production splitting of aluminum oxide, but instead nanocarbon production by splitting CO2, opens an array of inexpensive unique materials with exciting new high strength, electrical and thermal conductivity, flexibility, charge storage, lubricant and robustness properties. Commercial production technology of nanocarbons had been chemical vapor deposition, which is ten-fold more expensive, generally requires metallo-organics reactants and has a highly carbon-positive rather than carbon-negative footprint. Different nanocarbon structures were prepared electrochemically by variation of anode and cathode composition and architecture, electrolyte composition, pre-electrolysis processing and current ramping and current density. Individual allotrope structures and initial growth mechanisms are explored by SEM, TEM, HAADF EDX, XRD and Raman spectroscopy.
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Hierarchical multi-metal-doped mesoporous NiO-silica nanoparticles towards a viable platform for Li-ion battery electrode application. KOREAN J CHEM ENG 2022. [DOI: 10.1007/s11814-021-1003-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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45
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Tryfon P, Kamou NN, Mourdikoudis S, Karamanoli K, Menkissoglu-Spiroudi U, Dendrinou-Samara C. CuZn and ZnO Nanoflowers as Nano-Fungicides against Botrytis cinerea and Sclerotinia sclerotiorum: Phytoprotection, Translocation, and Impact after Foliar Application. MATERIALS (BASEL, SWITZERLAND) 2021; 14:7600. [PMID: 34947215 PMCID: PMC8708589 DOI: 10.3390/ma14247600] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 12/01/2021] [Accepted: 12/07/2021] [Indexed: 12/31/2022]
Abstract
Inorganic nanoparticles (INPs) have dynamically emerged in plant protection. The uptake of INPs by plants mostly depends on the size, chemical composition, morphology, and the type of coating on their surface. Herein, hybrid ensembles of glycol-coated bimetallic CuZn and ZnO nanoparticles (NPs) have been solvothermally synthesized in the presence of DEG and PEG, physicochemically characterized, and tested as nano-fungicides. Particularly, nanoflowers (NFs) of CuZn@DEG and ZnO@PEG have been isolated with crystallite sizes 40 and 15 nm, respectively. Organic coating DEG and PEG (23% and 63%, respectively) was found to protect the NFs formation effectively. The CuZn@DEG and ZnO@PEG NFs revealed a growth inhibition of phytopathogenic fungi Botrytis cinerea and Sclerotinia sclerotiorum in a dose-dependent manner with CuZn@DEG NFs being more efficient against both fungi with EC50 values of 418 and 311 μg/mL respectively. Lettuce (Lactuca sativa) plants inoculated with S. sclerotiorum were treated with the NFs, and their antifungal effect was evaluated based on a disease index. Plants sprayed with ZnO@PEG NFs showed a relatively higher net photosynthetic (4.70 μmol CO2 m-2s-1) and quantum yield rate (0.72) than with CuZn@DEG NFs (3.00 μmol CO2 m-2s-1 and 0.68). Furthermore, the penetration of Alizarin Red S-labeled NFs in plants was investigated. The translocation from leaves to roots through the stem was evident, while ZnO@PEG NFs were mainly trapped on the leaves. In all cases, no phytotoxicity was observed in the lettuce plants after treatment with the NFs.
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Affiliation(s)
- Panagiota Tryfon
- Laboratory of Inorganic Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;
| | - Nathalie N. Kamou
- Pesticide Science Laboratory, Faculty of Agriculture Forestry and Natural Environment, School of Agriculture, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;
| | - Stefanos Mourdikoudis
- Biophysics Group, Department of Physics and Astronomy, University College London, London WC1E 6BT, UK;
- UCL Healthcare Biomagnetics and Nanomaterials Laboratories, 21 Albemarle Street, London W1S 4BS, UK
| | - Katerina Karamanoli
- Laboratory of Agricultural Chemistry, Faculty of Agriculture, School of Agriculture, Forestry and Natural Environment, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;
| | - Urania Menkissoglu-Spiroudi
- Pesticide Science Laboratory, Faculty of Agriculture Forestry and Natural Environment, School of Agriculture, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;
| | - Catherine Dendrinou-Samara
- Laboratory of Inorganic Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;
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Roychoudhury P, Golubeva A, Dąbek P, Gloc M, Dobrucka R, Kurzydłowski K, Witkowski A. Diatom Mediated Production of Fluorescent Flower Shaped Silver-Silica Nanohybrid. MATERIALS (BASEL, SWITZERLAND) 2021; 14:7284. [PMID: 34885439 PMCID: PMC8658300 DOI: 10.3390/ma14237284] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 11/19/2021] [Accepted: 11/25/2021] [Indexed: 11/16/2022]
Abstract
Fabrication of flower-like nanostructures are gaining attention because of their high surface/volume ratio and extensive adsorption capacity. In the present investigation, flower-shaped, autofluorescent silver-silica (Ag-SiO2) hybrid nanoparticles have been fabricated exploiting diatoms as a source of nanosilica. Two different species of Gedaniella including G. flavovirens and G. mutabilis showed their efficacy in synthesizing fluorescent Ag-SiO2 nanoflowers (NFs) and nanospheres (NSs) against 9 mM silver nitrate solution, respectively. The biogenic nanoconjugate (Ag-SiO2) was characterized by Uv-vis spectroscopy, energy dispersive X-ray spectroscopy (EDS), scanning (SEM) and transmission (TEM) electron microscopy. Production of Ag-SiO2 hybrid nanoparticle was confirmed by observing both Ag and Si signals from a single nanoparticle in an EDS study. The broad and single absorption band at ~420 nm in Uv-vis spectroscopy confirmed proper miscibility and production of hybrid nanoparticles. The Ag-SiO2 nanohybrids revealed autofluorescent property under the blue light region (excitation ~450-490 nm). SEM images of particles synthesized by G. flavovirens revealed the production of microscopic flower shaped Ag-SiO2 particles with several layers of petals. A TEM study confirmed that the synthesized Ag-SiO2 NFs are variable in size with 100-500 nm in diameter. Decolorization of methylene blue after exposure to Ag-SiO2 particles confirmed catalytic activity of synthesized nanostructures. This eco-friendly method provides a new dimension in nanobiotechnology for biogenesis of such hierarchical nanostructure in a cost-effective way.
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Affiliation(s)
- Piya Roychoudhury
- Institute of Marine and Environmental Sciences, University of Szczecin, Mickiewicza 16a, 70-383 Szczecin, Poland; (A.G.); (P.D.); (A.W.)
| | - Aleksandra Golubeva
- Institute of Marine and Environmental Sciences, University of Szczecin, Mickiewicza 16a, 70-383 Szczecin, Poland; (A.G.); (P.D.); (A.W.)
| | - Przemysław Dąbek
- Institute of Marine and Environmental Sciences, University of Szczecin, Mickiewicza 16a, 70-383 Szczecin, Poland; (A.G.); (P.D.); (A.W.)
| | - Michał Gloc
- Faculty of Materials Science and Engineering, Warsaw University of Technology, Wołoska 141, 02-507 Warsaw, Poland; (M.G.); or (R.D.)
| | - Renata Dobrucka
- Faculty of Materials Science and Engineering, Warsaw University of Technology, Wołoska 141, 02-507 Warsaw, Poland; (M.G.); or (R.D.)
- Department of Industrial Products and Packaging Quality, Institute of Quality Science, Poznań University of Economics and Business, al. Niepodległości 10, 61-875 Poznań, Poland
| | - Krzysztof Kurzydłowski
- Faculty of Mechanical Engineering, Białystok University of Technology, Wiejska 45c, 15-351 Białystok, Poland;
| | - Andrzej Witkowski
- Institute of Marine and Environmental Sciences, University of Szczecin, Mickiewicza 16a, 70-383 Szczecin, Poland; (A.G.); (P.D.); (A.W.)
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Silver Flowerlike Structures for Surface-Enhanced Raman Spectroscopy. NANOMATERIALS 2021; 11:nano11123184. [PMID: 34947532 PMCID: PMC8706669 DOI: 10.3390/nano11123184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Revised: 11/18/2021] [Accepted: 11/22/2021] [Indexed: 11/16/2022]
Abstract
Micro- and nanoflowers are a class of materials composed of particles with high surface-to-volume ratio. They have been extensively studied in the last decade due to simple preparation protocols and promising applications in biosensing, as drug delivery agents, for water purification, and so on. Flowerlike objects, due to their highly irregular surface, may act also as plasmonic materials, providing resonant coupling between optical waves and surface plasmon excitations. This fact allows us to infer the possibility to use micro- and nanoflowers as effective surface-enhanced Raman scattering (SERS) substrate materials. Here, we report on the design and Raman enhancement properties of silver flowerlike structures, deposited on aluminum surface. A simple and cost-effective fabrication method is described, which leads to SERS substrates of high developed surface area. The morphology of the silver flowers on a nanoscale is characterized by self-organized quasiperiodic stacks of nanosheets, which act as plasmonic cavity resonators. The substrates were tested against rhodamine-6G (R6G) water solutions of concentration varying between 10−3 M and 10−7 M. Optimal SERS enhancement factors of up to 105 were established at R6G concentrations in the 10−6–10−7 M range.
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48
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Li J, Jin Y, Wang Y, Zhao Y, Su H. Detecting Pb 2+by a 'turn-on' fluorescence sensor based on DNA functionalized magnetic nanocomposites. NANOTECHNOLOGY 2021; 33:075603. [PMID: 34399416 DOI: 10.1088/1361-6528/ac1dd3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 08/16/2021] [Indexed: 06/13/2023]
Abstract
Sensitive and selective detection of the lead ion (Pb2+) plays an important role in terms of both human health and environmental protection, as the heavy metal is fairly ubiquitous and highly toxic. The highly stable fluorescence biosensor is composed of Fe3O4@TiO2core-shell nanocomposites, functionalized with a carboxyl fluorescein labeled DNA. The morphology, physical and chemical properties of the sensing nanomaterials were studied by transmission electron microscopy, FT-IR spectroscopy (FT-IR), x-ray powder diffraction and vibrating sample magnetometer. UV-visible and fluorescence spectroscopy were used to characterize the fluorescein functionalized magnetic nanoparticles. The performance of Pb2+detection displayed an excellent linearity (R2 = 0.995) in the range of 10-10to 5 × 10-9ppm with a detection limit of 10-10ppm, based on the optimization of the fabrication process and aptamers' specification. The fluorescence biosensor has an accurate response, excellent recoveries and high adsorbent capacities. It was successfully applied for the determination of Pb2+in contaminated water and serum samples; the detection of limit in both media were 10-10ppm. These features ensure the potential use of aptamer functionalized magnetic nanocomposites as a new class of non-toxic biocompatible sensors for biological and environmental applications.
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Affiliation(s)
- Jiayi Li
- Beijing Key Laboratory of Bioprocess, Beijing University of Chemical Technology (BUCT), 15 BeiSanhuan East Road, ChaoYang District, Beijing, 100029, People's Republic of China
| | - Yu Jin
- Beijing Key Laboratory of Bioprocess, Beijing University of Chemical Technology (BUCT), 15 BeiSanhuan East Road, ChaoYang District, Beijing, 100029, People's Republic of China
| | - Yaoqiang Wang
- Beijing Key Laboratory of Bioprocess, Beijing University of Chemical Technology (BUCT), 15 BeiSanhuan East Road, ChaoYang District, Beijing, 100029, People's Republic of China
| | - Yilin Zhao
- Beijing Key Laboratory of Bioprocess, Beijing University of Chemical Technology (BUCT), 15 BeiSanhuan East Road, ChaoYang District, Beijing, 100029, People's Republic of China
| | - Haijia Su
- Beijing Key Laboratory of Bioprocess, Beijing University of Chemical Technology (BUCT), 15 BeiSanhuan East Road, ChaoYang District, Beijing, 100029, People's Republic of China
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Gulmez C, Altinkaynak C, Turk M, Ozdemir N, Atakisi O. Hemoglobin-Inorganic Hybrid Nanoflowers with Different Metal Ions as Potential Oxygen Carrying Systems. Chem Biodivers 2021; 19:e202100683. [PMID: 34813152 DOI: 10.1002/cbdv.202100683] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Accepted: 11/23/2021] [Indexed: 01/13/2023]
Abstract
Protein-inorganic hybrid nanoflowers have tremendous potential in bionanotechnology due to their simple method of preparation, high stability and superior properties. Considering these features, the present study was designed to investigate the artificial blood substitution potentials of hemoglobin-inorganic hybrid nanoflowers. In this context, hemoglobin-inorganic hybrid nanoflowers (Cu-NF, Co-NF and Zn-NF) were synthesized using with different metal ions (copper, cobalt and zinc), then their oxygen carrying capacity, the hemolytic studies, in vitro oxidant/antioxidant capacity levels and oxidative stress index were reported for the first time. The present findings have revealed that Zn-NF had significant oxygen content and artificial oxygen carriers (AOC), as well as a significantly low percent hemolysis rate and a safe standard value. Also, hemolysis rate decreased along with the increases in hemoglobin content coupled with increments in nanoflower concentrations. The percentage hemolysis rate was lower than all nanoflowers at low free hemoglobin concentration, but hemolysis rates also increased with increments in concentration. The results showed that in general, Zn-NF stands out with its high total antioxidant capacity and low total oxidant capacity and oxidative stress index. The obtained results showed that Cu-NF and Co-NF, especially Zn-NF might be considered as a potential superior artificial oxygen carrier. Therefore, this nanoflower system might be act as an efficient material as a blood substitute in the near future.
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Affiliation(s)
- Canan Gulmez
- Department of Pharmacy Services, Tuzluca Vocational High School, Igdir University, Igdir, 76000, Turkey
| | - Cevahir Altinkaynak
- Department of Plant and Animal Production, Avanos Vocational School, Nevsehir Haci Bektas Veli University, 50500, Nevsehir, Turkey
| | - Merve Turk
- Department of Chemistry, Faculty of Science, Erciyes University, 38039, Kayseri, Turkey
| | - Nalan Ozdemir
- Department of Chemistry, Faculty of Science, Erciyes University, 38039, Kayseri, Turkey
| | - Onur Atakisi
- Department of Chemistry, Faculty Science and Letter, Kafkas University, 36000, Kars, Turkey
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50
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Güven OC, Kar M, Koca FD. Synthesis of Cherry Stalk Extract Based Organic@Inorganic Hybrid Nanoflowers as a Novel Fenton Reagent: Evaluation of Their Antioxidant, Catalytic, and Antimicrobial Activities. J Inorg Organomet Polym Mater 2021. [DOI: 10.1007/s10904-021-02160-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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