Chem & Bio Engineering最新文献_第2页

Robust Oxygen Evolution on Ni-Doped MoO₃: Overcoming Activity-Stability Trade-Off in Alkaline Water Splitting. ni掺杂MoO3的稳健析氧：克服碱性水裂解的活性-稳定性权衡。

Chem & Bio Engineering Pub Date : 2025-02-12 eCollection Date: 2025-04-24 DOI: 10.1021/cbe.4c00160

Ankit Kumar Verma, Shahan Atif, Abhisek Padhy, Tej S Choksi, Prabeer Barpanda, Ananth Govind Rajan

{"title":"Robust Oxygen Evolution on Ni-Doped MoO3: Overcoming Activity-Stability Trade-Off in Alkaline Water Splitting.","authors":"Ankit Kumar Verma, Shahan Atif, Abhisek Padhy, Tej S Choksi, Prabeer Barpanda, Ananth Govind Rajan","doi":"10.1021/cbe.4c00160","DOIUrl":"https://doi.org/10.1021/cbe.4c00160","url":null,"abstract":"Electrochemical water splitting using earth-abundant materials is crucial for enabling green hydrogen production and energy storage. In recent years, molybdenum trioxide (MoO3), a semiconducting material, has been proposed as a candidate catalyst for the oxygen evolution reaction (OER). Here, we advance nickel (Ni) doping of MoO3 as a strategy to increase the activity and stability of the material during alkaline electrochemical water splitting, thereby overcoming the typical activity-stability trade-off encountered with OER catalysts. The instability of MoO3 in alkaline media can be mitigated by doping with Ni, whose oxide is stable under such conditions. Using density functional theory (DFT) with Hubbard corrections, we show that Ni doping reduces the thermodynamic OER overpotential on the MoO3 basal plane to 0.64 V. Experiments demonstrate that Ni-doped MoO3 requires an overpotential of 0.34 V for an OER current density of 10 mA/cm2 (and 0.56 V at 100 mA/cm2), as opposed to a value of 0.40 V for pure MoO3. Further, Ni-doped MoO3 exhibits a lower Tafel slope of 74.8 mV/dec, compared to 98.3 mV/dec for the pristine material under alkaline conditions. While Mo leaches in alkaline conditions, X-ray photoelectron spectroscopy reveals enhanced stability with Ni doping. Overall, our work advances Ni-doped MoO3 as a promising water-splitting electrocatalyst and provides new insights into its OER mechanism and stability in alkaline media. More generally, the work sheds light on choosing a dopant to increase a material's activity and stability, which will also find applications in other catalytic materials.","PeriodicalId":100230,"journal":{"name":"Chem & Bio Engineering","volume":"2 4","pages":"241-252"},"PeriodicalIF":0.0,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12035564/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144061299","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Robust Oxygen Evolution on Ni-Doped MoO3: Overcoming Activity–Stability Trade-Off in Alkaline Water Splitting ni掺杂MoO3的稳健析氧：克服碱性水裂解的活性-稳定性权衡

Chem & Bio Engineering Pub Date : 2025-02-11 DOI: 10.1021/cbe.4c0016010.1021/cbe.4c00160

Ankit Kumar Verma, Shahan Atif, Abhisek Padhy, Tej S. Choksi, Prabeer Barpanda and Ananth Govind Rajan*,

{"title":"Robust Oxygen Evolution on Ni-Doped MoO3: Overcoming Activity–Stability Trade-Off in Alkaline Water Splitting","authors":"Ankit Kumar Verma, Shahan Atif, Abhisek Padhy, Tej S. Choksi, Prabeer Barpanda and Ananth Govind Rajan*, ","doi":"10.1021/cbe.4c0016010.1021/cbe.4c00160","DOIUrl":"https://doi.org/10.1021/cbe.4c00160https://doi.org/10.1021/cbe.4c00160","url":null,"abstract":"Electrochemical water splitting using earth-abundant materials is crucial for enabling green hydrogen production and energy storage. In recent years, molybdenum trioxide (MoO3), a semiconducting material, has been proposed as a candidate catalyst for the oxygen evolution reaction (OER). Here, we advance nickel (Ni) doping of MoO3 as a strategy to increase the activity and stability of the material during alkaline electrochemical water splitting, thereby overcoming the typical activity-stability trade-off encountered with OER catalysts. The instability of MoO3 in alkaline media can be mitigated by doping with Ni, whose oxide is stable under such conditions. Using density functional theory (DFT) with Hubbard corrections, we show that Ni doping reduces the thermodynamic OER overpotential on the MoO3 basal plane to 0.64 V. Experiments demonstrate that Ni-doped MoO3 requires an overpotential of 0.34 V for an OER current density of 10 mA/cm2 (and 0.56 V at 100 mA/cm2), as opposed to a value of 0.40 V for pure MoO3. Further, Ni-doped MoO3 exhibits a lower Tafel slope of 74.8 mV/dec, compared to 98.3 mV/dec for the pristine material under alkaline conditions. While Mo leaches in alkaline conditions, X-ray photoelectron spectroscopy reveals enhanced stability with Ni doping. Overall, our work advances Ni-doped MoO3 as a promising water-splitting electrocatalyst and provides new insights into its OER mechanism and stability in alkaline media. More generally, the work sheds light on choosing a dopant to increase a material’s activity and stability, which will also find applications in other catalytic materials.","PeriodicalId":100230,"journal":{"name":"Chem & Bio Engineering","volume":"2 4","pages":"241–252 241–252"},"PeriodicalIF":0.0,"publicationDate":"2025-02-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/cbe.4c00160","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143863159","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Advances in Cell Separation: Harnessing DNA Nanomaterials for High-Specificity Recognition and Isolation. 细胞分离的进展：利用DNA纳米材料进行高特异性识别和分离。

Chem & Bio Engineering Pub Date : 2025-01-31 eCollection Date: 2025-03-27 DOI: 10.1021/cbe.4c00185

Huimin Bao, Yao Yao, Wenqi Tang, Dayong Yang

{"title":"Advances in Cell Separation: Harnessing DNA Nanomaterials for High-Specificity Recognition and Isolation.","authors":"Huimin Bao, Yao Yao, Wenqi Tang, Dayong Yang","doi":"10.1021/cbe.4c00185","DOIUrl":"10.1021/cbe.4c00185","url":null,"abstract":"Advancements in cell separation are essential for understanding cellular phenotypes and functions, with implications for both research and therapeutic applications. This review examines the evolution of cell separation techniques, categorizing them into physical and affinity-based methods, with a primary focus on the latter due to its high specificity. Among affinity techniques, DNA nanomaterials have emerged as powerful tools for biomolecular recognition owing to their unique properties and diverse range of nanostructures. We discuss various DNA nanomaterials, including linear aptamers, multivalent DNA constructs, DNA origami, and DNA hydrogels and their roles in cell recognition and separation. Each section highlights the distinctive characteristics of these DNA nanostructures, providing examples from recent studies that demonstrate their applications in cell isolation and release. We also compare the four DNA nanomaterials, outlining their individual contributions and identifying the remaining challenges and opportunities for further development. We conclude that DNA nanotechnology holds great promise as a transformative solution for cell separation, particularly in the context of personalized therapeutics.","PeriodicalId":100230,"journal":{"name":"Chem & Bio Engineering","volume":"2 3","pages":"171-181"},"PeriodicalIF":0.0,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11955853/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143766262","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Advances in Cell Separation: Harnessing DNA Nanomaterials for High-Specificity Recognition and Isolation 细胞分离的进展：利用DNA纳米材料进行高特异性识别和分离

Chem & Bio Engineering Pub Date : 2025-01-31 DOI: 10.1021/cbe.4c0018510.1021/cbe.4c00185

Huimin Bao, Yao Yao, Wenqi Tang and Dayong Yang*,

{"title":"Advances in Cell Separation: Harnessing DNA Nanomaterials for High-Specificity Recognition and Isolation","authors":"Huimin Bao, Yao Yao, Wenqi Tang and Dayong Yang*, ","doi":"10.1021/cbe.4c0018510.1021/cbe.4c00185","DOIUrl":"https://doi.org/10.1021/cbe.4c00185https://doi.org/10.1021/cbe.4c00185","url":null,"abstract":"Advancements in cell separation are essential for understanding cellular phenotypes and functions, with implications for both research and therapeutic applications. This review examines the evolution of cell separation techniques, categorizing them into physical and affinity-based methods, with a primary focus on the latter due to its high specificity. Among affinity techniques, DNA nanomaterials have emerged as powerful tools for biomolecular recognition owing to their unique properties and diverse range of nanostructures. We discuss various DNA nanomaterials, including linear aptamers, multivalent DNA constructs, DNA origami, and DNA hydrogels and their roles in cell recognition and separation. Each section highlights the distinctive characteristics of these DNA nanostructures, providing examples from recent studies that demonstrate their applications in cell isolation and release. We also compare the four DNA nanomaterials, outlining their individual contributions and identifying the remaining challenges and opportunities for further development. We conclude that DNA nanotechnology holds great promise as a transformative solution for cell separation, particularly in the context of personalized therapeutics.","PeriodicalId":100230,"journal":{"name":"Chem & Bio Engineering","volume":"2 3","pages":"171–181 171–181"},"PeriodicalIF":0.0,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/cbe.4c00185","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143703768","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Hydrogen Peroxide Producing Titania-Silica Supraparticles as Tailorable Photocatalysts for Flow Chemistry Reactions in Microfluidic Reactors. 过氧化氢生成二氧化钛-二氧化硅超粒子作为微流控反应器流动化学反应的光催化剂。

Chem & Bio Engineering Pub Date : 2025-01-16 eCollection Date: 2025-03-27 DOI: 10.1021/cbe.4c00154

Bettina Herbig, Egzon Cermjani, Doris Hanselmann, Angelika Schmitt, Christoph Deckers, Thomas H Rehm, Karl Mandel, Susanne Wintzheimer

{"title":"Hydrogen Peroxide Producing Titania-Silica Supraparticles as Tailorable Photocatalysts for Flow Chemistry Reactions in Microfluidic Reactors.","authors":"Bettina Herbig, Egzon Cermjani, Doris Hanselmann, Angelika Schmitt, Christoph Deckers, Thomas H Rehm, Karl Mandel, Susanne Wintzheimer","doi":"10.1021/cbe.4c00154","DOIUrl":"10.1021/cbe.4c00154","url":null,"abstract":"The development of hybrid catalysts for cascade reactions that demonstrate high efficiency and longevity strongly relies on the precise arrangement of the individual components within such a material. This guarantees both their proximity for enhanced interaction and, at the same time, sufficient separation avoiding mutual harm. Before the acutal design of a usually very complex hybrid catalyst, it is essential to study and understand the impact of structural characteristics on catalytic activities of each catalytically active constituent separately. This study thus focuses on a comprehensive structure-activity analysis of the component within a highly customizable TiO2-SiO2 material, which produces H2O2 photocatalytically. The tailorable design of the hybrid material is achieved through the utilization of the spray-drying process. The H2O2 productivity of the obtained so-called TiO2-SiO2 supraparticles is demonstrated in both a batch and a flow reactor, marking a crucial step toward their future application as hybrid catalysts in photoassisted cascade reactions.","PeriodicalId":100230,"journal":{"name":"Chem & Bio Engineering","volume":"2 3","pages":"199-209"},"PeriodicalIF":0.0,"publicationDate":"2025-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11955856/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143766245","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Hydrogen Peroxide Producing Titania-Silica Supraparticles as Tailorable Photocatalysts for Flow Chemistry Reactions in Microfluidic Reactors 过氧化氢生成二氧化钛-二氧化硅超粒子作为微流控反应器流动化学反应的光催化剂

Chem & Bio Engineering Pub Date : 2025-01-16 DOI: 10.1021/cbe.4c0015410.1021/cbe.4c00154

Bettina Herbig*, Egzon Cermjani, Doris Hanselmann, Angelika Schmitt, Christoph Deckers, Thomas H. Rehm, Karl Mandel and Susanne Wintzheimer,

{"title":"Hydrogen Peroxide Producing Titania-Silica Supraparticles as Tailorable Photocatalysts for Flow Chemistry Reactions in Microfluidic Reactors","authors":"Bettina Herbig*, Egzon Cermjani, Doris Hanselmann, Angelika Schmitt, Christoph Deckers, Thomas H. Rehm, Karl Mandel and Susanne Wintzheimer, ","doi":"10.1021/cbe.4c0015410.1021/cbe.4c00154","DOIUrl":"https://doi.org/10.1021/cbe.4c00154https://doi.org/10.1021/cbe.4c00154","url":null,"abstract":"The development of hybrid catalysts for cascade reactions that demonstrate high efficiency and longevity strongly relies on the precise arrangement of the individual components within such a material. This guarantees both their proximity for enhanced interaction and, at the same time, sufficient separation avoiding mutual harm. Before the acutal design of a usually very complex hybrid catalyst, it is essential to study and understand the impact of structural characteristics on catalytic activities of each catalytically active constituent separately. This study thus focuses on a comprehensive structure–activity analysis of the component within a highly customizable TiO2-SiO2 material, which produces H2O2 photocatalytically. The tailorable design of the hybrid material is achieved through the utilization of the spray-drying process. The H2O2 productivity of the obtained so-called TiO2-SiO2 supraparticles is demonstrated in both a batch and a flow reactor, marking a crucial step toward their future application as hybrid catalysts in photoassisted cascade reactions.","PeriodicalId":100230,"journal":{"name":"Chem & Bio Engineering","volume":"2 3","pages":"199–209 199–209"},"PeriodicalIF":0.0,"publicationDate":"2025-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/cbe.4c00154","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143703764","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Dual Function Materials Enabling Human Space Flight: Carbon Dioxide Capture and Conversion for Life Support on Crewed Missions. 实现人类太空飞行的双重功能材料：用于宇航员任务生命支持的二氧化碳捕获和转换。

Chem & Bio Engineering Pub Date : 2025-01-14 eCollection Date: 2025-03-27 DOI: 10.1021/cbe.4c00162

Jonathan D Wells, Grace A Belancik

{"title":"Dual Function Materials Enabling Human Space Flight: Carbon Dioxide Capture and Conversion for Life Support on Crewed Missions.","authors":"Jonathan D Wells, Grace A Belancik","doi":"10.1021/cbe.4c00162","DOIUrl":"10.1021/cbe.4c00162","url":null,"abstract":"Carbon dioxide removal is important for keeping astronauts alive in space, where CO2 can accumulate to harmful or even deadly levels in cabin air if untreated. Additionally, on Earth, CO2 direct air capture is an important technology for reversing the harmful impacts of rising anthropogenic atmospheric CO2 concentrations. In both scenarios, captured CO2 needs to be dealt with, potentially via reaction into a more desirable final product such as renewable hydrocarbons or water. One potential solution is utilizing combined solid sorbents and catalysts in one material, known as dual function material (DFM). In this work, DFMs are used to capture and convert CO2 from spacecraft cabin air into water as a form of recycling, which is necessary for enabling a longer duration human spaceflight. DFM is studied with CO2 concentrations relevant to cabin air conditions for astronauts (1500 to 3000 ppm of CO2) both with and without moisture present. DFM CO2 capacity increases by nearly a factor of 4 and uptake rates by 10 with more realistic moist inlet air compared to dry cabin air. The wet capacity of DFM is comparable to state-of-the-art sorbents in use on the International Space Station (ISS) now; however, ISS systems must dry cabin air before CO2 capture since they lose CO2 capacity with a wet air inlet. DFM shows promise to save significant mass, size, power, and complexity for a CO2 removal and conversion system, which could help enable longer duration human space missions.","PeriodicalId":100230,"journal":{"name":"Chem & Bio Engineering","volume":"2 3","pages":"192-198"},"PeriodicalIF":0.0,"publicationDate":"2025-01-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11955851/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143766264","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Dual Function Materials Enabling Human Space Flight: Carbon Dioxide Capture and Conversion for Life Support on Crewed Missions 实现人类太空飞行的双重功能材料：用于宇航员任务生命支持的二氧化碳捕获和转换

Chem & Bio Engineering Pub Date : 2025-01-14 DOI: 10.1021/cbe.4c0016210.1021/cbe.4c00162

Jonathan D. Wells, and , Grace A. Belancik*,

{"title":"Dual Function Materials Enabling Human Space Flight: Carbon Dioxide Capture and Conversion for Life Support on Crewed Missions","authors":"Jonathan D. Wells,  and , Grace A. Belancik*, ","doi":"10.1021/cbe.4c0016210.1021/cbe.4c00162","DOIUrl":"https://doi.org/10.1021/cbe.4c00162https://doi.org/10.1021/cbe.4c00162","url":null,"abstract":"Carbon dioxide removal is important for keeping astronauts alive in space, where CO2 can accumulate to harmful or even deadly levels in cabin air if untreated. Additionally, on Earth, CO2 direct air capture is an important technology for reversing the harmful impacts of rising anthropogenic atmospheric CO2 concentrations. In both scenarios, captured CO2 needs to be dealt with, potentially via reaction into a more desirable final product such as renewable hydrocarbons or water. One potential solution is utilizing combined solid sorbents and catalysts in one material, known as dual function material (DFM). In this work, DFMs are used to capture and convert CO2 from spacecraft cabin air into water as a form of recycling, which is necessary for enabling a longer duration human spaceflight. DFM is studied with CO2 concentrations relevant to cabin air conditions for astronauts (1500 to 3000 ppm of CO2) both with and without moisture present. DFM CO2 capacity increases by nearly a factor of 4 and uptake rates by 10 with more realistic moist inlet air compared to dry cabin air. The wet capacity of DFM is comparable to state-of-the-art sorbents in use on the International Space Station (ISS) now; however, ISS systems must dry cabin air before CO2 capture since they lose CO2 capacity with a wet air inlet. DFM shows promise to save significant mass, size, power, and complexity for a CO2 removal and conversion system, which could help enable longer duration human space missions.","PeriodicalId":100230,"journal":{"name":"Chem & Bio Engineering","volume":"2 3","pages":"192–198 192–198"},"PeriodicalIF":0.0,"publicationDate":"2025-01-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/cbe.4c00162","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143703763","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Polythiophene-Based Nonmetal Electrocatalyst with Biocompatibility to Boost Efficient CO2 Conversion 具有生物相容性的多噻吩基非金属电催化剂促进高效二氧化碳转化

Chem & Bio Engineering Pub Date : 2025-01-13 DOI: 10.1021/cbe.4c0015610.1021/cbe.4c00156

Xianghai Bian, Yang Ye, Sulin Ni, Bin Yang, Yang Hou, Lecheng Lei, Min Yao* and Zhongjian Li*,

{"title":"Polythiophene-Based Nonmetal Electrocatalyst with Biocompatibility to Boost Efficient CO2 Conversion","authors":"Xianghai Bian, Yang Ye, Sulin Ni, Bin Yang, Yang Hou, Lecheng Lei, Min Yao* and Zhongjian Li*, ","doi":"10.1021/cbe.4c0015610.1021/cbe.4c00156","DOIUrl":"https://doi.org/10.1021/cbe.4c00156https://doi.org/10.1021/cbe.4c00156","url":null,"abstract":"In a hybrid microbial–inorganic catalysis system, H2 evolution reaction (HER) electrocatalysts are coupled with microorganisms to achieve the highly efficient conversion of CO2 to value-added chemicals using H2 as an electron mediator. However, currently developed HER electrocatalysts suffer from poor biocompatibility, hindering the performance of the system. This study presents a N- and Si-doped polythiophene nanocomposite (PTh-NSi) as a nonmetal HER electrocatalyst with biocompatibility for use in a hybrid microbial–inorganic catalysis system. By coupling PTh-NSi with Ralstonia eutropha H16, conversion of CO2 to poly-β-hydroxybutyrate with a maximum yield of 662.99 ± 27.46 mg/L was achieved. The PTh-NSi electrocatalyst demonstrated HER performance in bacterial media, minimal reactive oxygen species production, and no heavy metal ion leaching, ensuring biocompatibility with R. eutropha H16. The interactions between PTh-NSi and R. eutropha H16 were revealed. This work highlights an approach to designing biocompatible catalysts for hybrid microbial–inorganic catalysis systems, offering the potential for sustainable CO2 conversion.","PeriodicalId":100230,"journal":{"name":"Chem & Bio Engineering","volume":"2 4","pages":"229–240 229–240"},"PeriodicalIF":0.0,"publicationDate":"2025-01-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/cbe.4c00156","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143863093","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Polythiophene-Based Nonmetal Electrocatalyst with Biocompatibility to Boost Efficient CO₂ Conversion. 具有生物相容性的多噻吩基非金属电催化剂促进高效二氧化碳转化。

Chem & Bio Engineering Pub Date : 2025-01-13 eCollection Date: 2025-04-24 DOI: 10.1021/cbe.4c00156

Xianghai Bian, Yang Ye, Sulin Ni, Bin Yang, Yang Hou, Lecheng Lei, Min Yao, Zhongjian Li

{"title":"Polythiophene-Based Nonmetal Electrocatalyst with Biocompatibility to Boost Efficient CO2 Conversion.","authors":"Xianghai Bian, Yang Ye, Sulin Ni, Bin Yang, Yang Hou, Lecheng Lei, Min Yao, Zhongjian Li","doi":"10.1021/cbe.4c00156","DOIUrl":"https://doi.org/10.1021/cbe.4c00156","url":null,"abstract":"In a hybrid microbial-inorganic catalysis system, H2 evolution reaction (HER) electrocatalysts are coupled with microorganisms to achieve the highly efficient conversion of CO2 to value-added chemicals using H2 as an electron mediator. However, currently developed HER electrocatalysts suffer from poor biocompatibility, hindering the performance of the system. This study presents a N- and Si-doped polythiophene nanocomposite (PTh-NSi) as a nonmetal HER electrocatalyst with biocompatibility for use in a hybrid microbial-inorganic catalysis system. By coupling PTh-NSi with Ralstonia eutropha H16, conversion of CO2 to poly-β-hydroxybutyrate with a maximum yield of 662.99 ± 27.46 mg/L was achieved. The PTh-NSi electrocatalyst demonstrated HER performance in bacterial media, minimal reactive oxygen species production, and no heavy metal ion leaching, ensuring biocompatibility with R. eutropha H16. The interactions between PTh-NSi and R. eutropha H16 were revealed. This work highlights an approach to designing biocompatible catalysts for hybrid microbial-inorganic catalysis systems, offering the potential for sustainable CO2 conversion.","PeriodicalId":100230,"journal":{"name":"Chem & Bio Engineering","volume":"2 4","pages":"229-240"},"PeriodicalIF":0.0,"publicationDate":"2025-01-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12035563/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144035898","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0