Bioelectrochemistry最新文献_第8页

Development of a highly efficient DNA-based biosensor using a functionalized MoS₂/polypyrrole nanocomposite for mitomycin C determination 基于功能化MoS 2 /聚吡咯纳米复合材料的高效dna生物传感器的开发用于丝裂霉素C的测定。

IF 4.5 2区化学

Bioelectrochemistry Pub Date : 2026-03-01 Epub Date: 2025-09-13 DOI: 10.1016/j.bioelechem.2025.109111

Afsaneh Mousa Pour , Zahra Garkani-Nejad , Hadi Mahmoudi-Moghaddam

{"title":"Development of a highly efficient DNA-based biosensor using a functionalized MoS₂/polypyrrole nanocomposite for mitomycin C determination","authors":"Afsaneh Mousa Pour , Zahra Garkani-Nejad , Hadi Mahmoudi-Moghaddam","doi":"10.1016/j.bioelechem.2025.109111","DOIUrl":"10.1016/j.bioelechem.2025.109111","url":null,"abstract":"<div><div>In this study, plate-like Eu<sup>3+</sup>-doped MoS₂ nanoparticles (PL-Eu<sup>3+</sup>-doped MoS₂ NPs) were successfully synthesized via a simple hydrothermal method and characterized using energy-dispersive X-ray spectroscopy (EDX), field-emission scanning electron microscopy (FESEM), and X-ray diffraction (XRD). Subsequently, a novel electrochemical DNA biosensor was developed by modifying pencil graphite electrodes (PGEs) with the synthesized nanocomposite and polypyrrole (PPy) for the sensitive detection of mitomycin C (MC). The interaction between double-stranded DNA (ds-DNA) and MC was thoroughly investigated using differential pulse voltammetry (DPV), spectrophotometry, and molecular docking methods. The decrease in the oxidation peak currents of adenine base in an acetate buffer solution (pH 4.80) was employed as a reliable indicator of the interaction event. The constructed biosensor (ds-DNA/PL-Eu<sup>3+</sup>-doped MoS₂/PGE) exhibited a linear response toward MC concentrations ranging from 1 to 75 μg/mL, achieving a low detection limit of 0.8 μg/mL. The sensor's performance was further validated in real sample analyses, demonstrating excellent recovery values between 97 % and 104 %, thereby confirming its potential for practical applications in biomedical and environmental monitoring. UV/Vis spectroscopic data combined with molecular docking analyses indicated substantial interaction between mitomycin and DNA, with evidence supporting groove binding as the predominant binding mode.</div></div>","PeriodicalId":252,"journal":{"name":"Bioelectrochemistry","volume":"168 ","pages":"Article 109111"},"PeriodicalIF":4.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145102490","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Bioelectrochemical characterization of a biogas-producing microbial electrolysis cell (MEC): advantages and limitations of electroanalytical techniques 产气微生物电解池（MEC）的生物电化学表征：电分析技术的优点和局限性

IF 4.5 2区化学

Bioelectrochemistry Pub Date : 2026-03-01 Epub Date: 2025-09-30 DOI: 10.1016/j.bioelechem.2025.109128

Ariadna Segundo-Aguilar , Gabriel Trejo , Eligio P. Rivero , Fernando F. Rivera , Bibiana Cercado

{"title":"Bioelectrochemical characterization of a biogas-producing microbial electrolysis cell (MEC): advantages and limitations of electroanalytical techniques","authors":"Ariadna Segundo-Aguilar , Gabriel Trejo , Eligio P. Rivero , Fernando F. Rivera , Bibiana Cercado","doi":"10.1016/j.bioelechem.2025.109128","DOIUrl":"10.1016/j.bioelechem.2025.109128","url":null,"abstract":"<div><div>Electroanalytical techniques can be used to provide new insights into the electrochemical response of microbial bioelectrodes with some limitations due to complex interphase biofilm-electrode. In this work, characterization techniques, including open-circuit voltage, cyclic voltammetry, and electrochemical impedance spectroscopy, were applied to the bioanode, while chronoamperometry was used for the MEC with nine combinations of applied voltage and biomass content for anodic biogas production.</div><div>The open-circuit potential was characteristic of the bioanode at −0.4 V ± 0.02 V vs. Ag/AgCl; the cumulative charge evolution allowed differentiation of operation conditions, reaching a total charge between 30C and 170C. Three distinct profiles were found among the voltammograms including oxidation peaks, oxidation waves and no faradaic signals. The charge transfer resistance estimated via electrochemical impedance spectroscopy only allowed differentiation of the final from the initial conditions. A nonlinear correlation was found between electrochemical parameters and biogas volume and its composition. This work presents a method for the systematic electroanalysis of bioelectrodes and provides information on their behavior under different biomass and applied voltage conditions.</div></div>","PeriodicalId":252,"journal":{"name":"Bioelectrochemistry","volume":"168 ","pages":"Article 109128"},"PeriodicalIF":4.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145262282","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Electrolytically generated size-tunable micro-nano bubbles toward high-efficiency antibacterial applications in vitro 电解生成尺寸可调微纳气泡的体外高效抗菌应用

IF 4.5 2区化学

Bioelectrochemistry Pub Date : 2026-03-01 Epub Date: 2025-09-19 DOI: 10.1016/j.bioelechem.2025.109117

Qiang Mao , Kai Wei , Tianyu Li , Jiasheng Zhu , Huarui Han , Kan Hu , Changchang Ma , Sheng Feng

{"title":"Electrolytically generated size-tunable micro-nano bubbles toward high-efficiency antibacterial applications in vitro","authors":"Qiang Mao , Kai Wei , Tianyu Li , Jiasheng Zhu , Huarui Han , Kan Hu , Changchang Ma , Sheng Feng","doi":"10.1016/j.bioelechem.2025.109117","DOIUrl":"10.1016/j.bioelechem.2025.109117","url":null,"abstract":"<div><div>Bacterial contamination in water poses severe threats to global water safety, particularly in drinking water. Micro-nano bubbles (MNBs) have attracted significant interest for antibacterial applications due to their high efficiency and environmental friendliness. In this study, size-tunable MNBs were electrochemically fabricated using TiO<sub>2</sub> nanotube arrays (TNTAs) as electrodes. A strong positive correlation (R<sup>2</sup> = 0.965) was established between the pore diameter of TNTAs and the size of the generated MNBs, enabling precise control over bubble dimensions. Crucially, bactericidal efficiency was found to be negatively correlated with MNB size, with the smallest MNBs achieving exceptional inactivation rates of 98.8 % for <em>Escherichia coli (E. coli)</em> and 98.0 % for <em>Staphylococcus aureus (S. aureus)</em>. Mechanistic studies revealed that smaller MNBs generate higher concentrations of hydroxyl radicals (•OH) upon collapse, which are primarily responsible for the enhanced antibacterial activity. This work establishes a clear structure–activity relationship: electrode pore size dictates MNB size, which in turn determines •OH generation and antibacterial performance. These findings provide a scientific basis for developing efficient, environmentally friendly disinfection technologies.</div></div>","PeriodicalId":252,"journal":{"name":"Bioelectrochemistry","volume":"168 ","pages":"Article 109117"},"PeriodicalIF":4.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145118230","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Biofunctionalized reduced (graphene quantum dots-graphene oxide) nanohybrid modified screen printed electrode for electrochemical detection of thyroid stimulating hormone 生物功能化还原（石墨烯量子点-氧化石墨烯）纳米杂化修饰的丝网印刷电极用于促甲状腺激素的电化学检测

IF 4.5 2区化学

Bioelectrochemistry Pub Date : 2026-03-01 Epub Date: 2025-10-17 DOI: 10.1016/j.bioelechem.2025.109141

Sudesh Yadav , Vikash Sharma , Rohit Kumar , Gajjala Sumana , Rajesh

{"title":"Biofunctionalized reduced (graphene quantum dots-graphene oxide) nanohybrid modified screen printed electrode for electrochemical detection of thyroid stimulating hormone","authors":"Sudesh Yadav , Vikash Sharma , Rohit Kumar , Gajjala Sumana , Rajesh","doi":"10.1016/j.bioelechem.2025.109141","DOIUrl":"10.1016/j.bioelechem.2025.109141","url":null,"abstract":"<div><div>A selective and sensitive surface modified screen printed carbon electrode (SPCE) with reduced (graphene quantum dots-graphene oxide), r(GQD/GO) nanohybrid, is reported for the electrochemical detection of thyroid stimulating hormone (TSH). TSH specific monoclonal antibody was immobilized on r(GQD/GO)/SPCE by wet method to obtain a bioelectrode. The bioelectrode was characterized with microscopic, spectroscopic and electrochemical techniques and the differential pulse voltammetry (DPV) measurement was used for the detection of TSH in phosphate buffer saline 0.1 M PBS (pH 7.4; 0.1 M KCl). The bioelectrode showed a linear DPV response at 0.16 V to TSH over the concentration range of 1 nIU mL<sup>−1</sup>-100 μIU mL<sup>−1</sup> with a lowest detection limit of 0.18 nIU mL<sup>−1</sup> and sensitivity of 2.15 μA per decade of TSH concentration. The biosensing response with potential interferents indicates that the sensing platform is highly specific for the detection of TSH. The wide range of DPV response with good sensitivity and specificity make this bioelectrode potentially useful for abnormal upper and lower TSH level detection pertaining to both hypo and hyperthyroidism.</div></div>","PeriodicalId":252,"journal":{"name":"Bioelectrochemistry","volume":"168 ","pages":"Article 109141"},"PeriodicalIF":4.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145320919","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A flow-based diagnostic approach for early inflammation detection in clinical settings 一种基于血流的诊断方法，用于临床早期炎症检测

IF 4.5 2区化学

Bioelectrochemistry Pub Date : 2026-03-01 Epub Date: 2025-11-04 DOI: 10.1016/j.bioelechem.2025.109159

Rui S. Gomes , Lucía Guillade , Andrés da Silva-Candal , Elías Ferreiro-Vila , Bruno K. Rodiño-Janeiro , Miguel A. Correa-Duarte , Susana G. Guerreiro , Ruben Fernandes , Daniela S. Oliveira , Joana R.L. Guerreiro , Felismina T.C. Moreira

{"title":"A flow-based diagnostic approach for early inflammation detection in clinical settings","authors":"Rui S. Gomes , Lucía Guillade , Andrés da Silva-Candal , Elías Ferreiro-Vila , Bruno K. Rodiño-Janeiro , Miguel A. Correa-Duarte , Susana G. Guerreiro , Ruben Fernandes , Daniela S. Oliveira , Joana R.L. Guerreiro , Felismina T.C. Moreira","doi":"10.1016/j.bioelechem.2025.109159","DOIUrl":"10.1016/j.bioelechem.2025.109159","url":null,"abstract":"<div><div>Interleukin-6 (IL-6) is an important cytokine that plays a significant role in tumour growth and angiogenesis in various malignant tumours. Here, an integrated fluidic immunosensor capable of detecting the concentration of IL-6 protein in fetal bovine serum (FBS) samples using an electrochemical method in a fluidic biochip fabricated on screen-printed carbon electrodes (SPCEs) is presented.</div><div>To improve the performance of the immunosensor, the SPCEs was modified with multi-walled carbon nanotubes-poly(allylamine hydrochloride)/gold nanoparticles (MWCNTs-PAH/AuNPs), which improves antibody IL-6 attachment and electron transfer efficiency. The morphological and structural properties of the nanocomposites were characterised by scanning electron microscopy (SEM) and Raman spectroscopy, while electrochemical properties were evaluated using cyclic voltammetry (CV) and square wave voltammetry (SWV). Under optimal conditions, the immunosensor exhibited a linear detection range for IL-6 protein from 0.001 to 0.1 ng mL<sup>−1</sup>, with a limit of detection 0.05 pg mL<sup>−1</sup>. Tests were performed to assess reproducibility, stability and selectivity for IL-6 in FBS samples. This immunosensor provides a sensitive, minimally invasive and simple method for the determination of clinical IL-6 protein levels. Compared to the traditional IL-6 protein batch sensor method, the approach provided by this integrated fluidic immunosensor higher sensitivity, reproducibility and faster detection.</div></div>","PeriodicalId":252,"journal":{"name":"Bioelectrochemistry","volume":"168 ","pages":"Article 109159"},"PeriodicalIF":4.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145525598","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Cascade redox cycling amplification enabled by COF-confined Co3O4 for enhanced immunosensing 通过cof约束的Co3O4实现级联氧化还原循环扩增，增强免疫感知。

IF 4.5 2区化学

Bioelectrochemistry Pub Date : 2026-03-01 Epub Date: 2025-09-25 DOI: 10.1016/j.bioelechem.2025.109125

Jie Zhang , Ning Chen , Shujun Wang , Xiaofei Sun , Shuangna Wang , Ping Wang , Yueyun Li , Qing Liu , Jongnam Park , Feng Tang

{"title":"Cascade redox cycling amplification enabled by COF-confined Co3O4 for enhanced immunosensing","authors":"Jie Zhang , Ning Chen , Shujun Wang , Xiaofei Sun , Shuangna Wang , Ping Wang , Yueyun Li , Qing Liu , Jongnam Park , Feng Tang","doi":"10.1016/j.bioelechem.2025.109125","DOIUrl":"10.1016/j.bioelechem.2025.109125","url":null,"abstract":"<div><div>Herein, an enzyme-free and highly efficient sandwich-type electrochemical immunosensor for cTnI detection was developed using covalent organic framework (COF) confined Co<sub>3</sub>O<sub>4</sub> nanoparticles (NPs) as the signal probe and enhancing the sensitivity with electrochemical-chemical-chemical (ECC) redox cycle amplification (RCA) strategy. The multifunctional COF, with high surface area and rich nitrogen, serves not only as a substrate material but also as a scaffold for Co<sup>2+</sup> entrapment, enabling the confined growth and uniform distribution of ultrafine Co<sub>3</sub>O<sub>4</sub> NPs as signal amplification platform, thereby providing abundant catalytic active sites for ECC redox cycling reactions. COF confined Co<sub>3</sub>O<sub>4</sub> NPs with variable valence states (Co<sup>3+</sup>/Co<sup>2+</sup>) serve as a redox-active electrode material that can enhance the current signal substantially. The ECC redox cycle is triggered by the redox reaction between Co<sup>3+</sup> at the electrode and electroactive hydroquinone (HQ), while HQ was regenerated by the reducing agent tris (2-carboxyethyl) phosphine (TCEP), resulting in a significant amplification of the current signal for cTnI analysis. The constructed immunosensor exhibited excellent performance with a wide linear range from 1 fg mL<sup>−1</sup> to 100 ng mL<sup>−1</sup>, and a low detection limit of 0.88 fg mL<sup>−1</sup>. Furthermore, the immunosensor successfully applied to detected cTnI in human serum, proving its clinical potential.</div></div>","PeriodicalId":252,"journal":{"name":"Bioelectrochemistry","volume":"168 ","pages":"Article 109125"},"PeriodicalIF":4.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145197689","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

High sensitivity perovskite-tagged nanobody electrochemiluminescent immunosensor for spike (S1) protein biomarker-based persistent viral reservoir detection 高灵敏度钙钛矿标记纳米体电化学发光免疫传感器，用于基于刺突（S1）蛋白生物标志物的持久性病毒库检测。

IF 4.5 2区化学

Bioelectrochemistry Pub Date : 2026-03-01 Epub Date: 2025-10-12 DOI: 10.1016/j.bioelechem.2025.109137

Jaymi January , Olivier Zwaenepoel , Nelia Sanga , Jan Gettemans , Emmanuel Iwuoha

{"title":"High sensitivity perovskite-tagged nanobody electrochemiluminescent immunosensor for spike (S1) protein biomarker-based persistent viral reservoir detection","authors":"Jaymi January , Olivier Zwaenepoel , Nelia Sanga , Jan Gettemans , Emmanuel Iwuoha","doi":"10.1016/j.bioelechem.2025.109137","DOIUrl":"10.1016/j.bioelechem.2025.109137","url":null,"abstract":"<div><div>Persistent viral reservoirs (PVR) of SARS-CoV-2 (or long COVID-19) and latent COVID-19 disease have been of great concern to clinicians. Several studies have identified spike protein (S1) as a definitive biomarker for the early detection of persistent viral reservoirs and latent COVID-19. A novel sandwich-format electrochemical immunosensor integrating a nanocomposite material was engineered for rapid and sensitive latent COVID-19 detection. The platform structure, AuSPE||strep|Nb<sub>1</sub>|BSA|biotin|S1|strep-LiSmZrO<sub>3</sub>-Nb<sub>2</sub> + BSA (AuSPE = gold screen-printed electrode, strep = streptavidin-thiol, Nb<sub>1</sub> = primary nanobody, Nb<sub>2</sub> = secondary nanobody, BSA = bovine serum albumin, and spike (S1) protein = S1), featured a disposable AuSPE modified with strep to anchor a biotinylated camelid Nb<sub>1</sub> specific to the spike protein. A Nb<sub>2</sub> conjugated to streptavidin-labelled LiSmZrO<sub>3</sub> perovskite completed the sandwich complex, enhancing both affinity and signal transduction. Electrochemical responses of the sensor were studied via electrochemiluminescent (ECL) signal transduction. The S1-sensitive sandwich immunosensor had a detection range of 0–1000 pg mL<sup>−1</sup> with a limit of detection of 0.04 pg mL<sup>−1</sup> via ECL. As feasibility studies, commercial spike protein in buffered solutions and human serum, highlighting the potential for the immunosensor to be used in SARS-CoV-2 patients and PVRs. The nanobody sandwich immunosensor showed excellent stability, selectivity, sensitivity, and reproducibility. The immunosensor serves as a broad PVR for a SARS-CoV-2 screening tool, detecting elevated S1 levels to enable early, targeted diagnostics.</div></div>","PeriodicalId":252,"journal":{"name":"Bioelectrochemistry","volume":"168 ","pages":"Article 109137"},"PeriodicalIF":4.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145306497","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Exploration and advances in enzymatic electrochemical biosensors for in vivo detection of brain glutamate 脑谷氨酸体内检测酶法电化学生物传感器的探索与进展。

IF 4.5 2区化学

Bioelectrochemistry Pub Date : 2026-03-01 Epub Date: 2025-11-03 DOI: 10.1016/j.bioelechem.2025.109161

R. Divya Mohan , Shashanka Rajendrachari , Habdias de Araujo Silva Neto , A. Santhy , R. Rejithamol

引用次数: 0

Magnetized electrochemically active bacteria-based whole-cell biosensors for real-time sensing of water toxicity 用于水毒性实时传感的磁化电化学活性细菌全细胞生物传感器

IF 4.5 2区化学

Bioelectrochemistry Pub Date : 2026-03-01 Epub Date: 2025-09-23 DOI: 10.1016/j.bioelechem.2025.109119

Hongyu Zhao , Yanhong Ge , Jing Wu , Bo Cao , Yue Yi , Beizhen Xie , Hong Liu

{"title":"Magnetized electrochemically active bacteria-based whole-cell biosensors for real-time sensing of water toxicity","authors":"Hongyu Zhao , Yanhong Ge , Jing Wu , Bo Cao , Yue Yi , Beizhen Xie , Hong Liu","doi":"10.1016/j.bioelechem.2025.109119","DOIUrl":"10.1016/j.bioelechem.2025.109119","url":null,"abstract":"<div><div>Real-time sensing of water toxicity is essential for environmental health monitoring. However, devising an electrochemically active biofilm-based biosensor for water toxicity assaying usually requires cumbersome culture techniques to immobilize electrochemically active bacteria (EAB) on the electrode, which results in poor timeliness of water quality early-warning. Herein, we developed magnetized electrochemically active bacteria (MEAB)-based whole-cell biosensors (WCBs) for real-time sensing of water toxicity. The results showed that artificial MEAB biofilm could be magnetically constructed in one step within 5 s, which greatly simplified the fabrication process of artificial electrochemically active biofilm. By correlating quantifiable bioelectrical signal with MEAB cell activity, the MEAB-based WCBs enabled detection of Hg<sup>2+</sup>, trichloroacetic acid (TCAA), avermectin (AVM), Cr<sup>6+</sup>, and chlortetracycline hydrochloride (CTC) in synthetic water samples within 30min. The estimated detection limit for Hg<sup>2+</sup>, TCAA, AVM, Cr<sup>6+</sup>, and CTC reached 50.4 ± 1.6, 54.7 ± 1.5, 62.8 ± 2.0, 66.8 ± 1.6, and 73.3 ± 2.2 μg L<sup>−1</sup> with optimal biomass, respectively. As proof-of-concept applications, the MEAB-based WCBs not only achieved accurate detection of 0.1 mg L<sup>−1</sup> toxicants in real water samples but also successfully sensed comprehensive toxicity of agricultural wastewater within 30 min. This study provides a new strategy for real-time sensing of water toxicity.</div></div>","PeriodicalId":252,"journal":{"name":"Bioelectrochemistry","volume":"168 ","pages":"Article 109119"},"PeriodicalIF":4.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145154998","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Microbial electrosynthesis of acetic acid from carbon dioxide using a bimetallic-granular activated carbon cathode 用双金属颗粒活性炭阴极从二氧化碳中电合成乙酸的微生物研究

IF 4.5 2区化学

Bioelectrochemistry Pub Date : 2026-03-01 Epub Date: 2025-11-01 DOI: 10.1016/j.bioelechem.2025.109158

Sadaf Shakeel , Mohammad Zain Khan , Mariya Shakeel

{"title":"Microbial electrosynthesis of acetic acid from carbon dioxide using a bimetallic-granular activated carbon cathode","authors":"Sadaf Shakeel , Mohammad Zain Khan , Mariya Shakeel","doi":"10.1016/j.bioelechem.2025.109158","DOIUrl":"10.1016/j.bioelechem.2025.109158","url":null,"abstract":"<div><div>Development of highly stable, conductive, biocompatible and cost-effective cathode is crucial for scaling up microbial electrosynthesis (MES). Bimetallic cathodes have gain importance in recent times due wide application. Current study utilized a bimetallic (nickel and iron) impregnated granular activated carbon (Ni-Fe-GAC) cathode in microbial electrosynthesis. Ni-Fe-GAC cathode was prepared via treating GACs in a mixed solution of nickel chloride and iron sulphate. Deposition of metals on GAC facilitates the improved electron transfer and biofilm formation on the GAC surface, giving 1.4 times higher acetate production than plain GAC (control). Scanning electron microscopy (SEM) confirmed the well adaptation of anaerobic microbes on the surface of Ni-Fe-GAC cathode. Linear sweep voltammetry (LSV) confirmed the better electrochemical performance of Ni-Fe-GAC cathode. A regeneration test was also conducted via acid washing to remove metals from Ni-Fe-GAC followed by reloading. Regeneration successfully restored cathode performance, making Ni-Fe-GAC suitable for long-term application.</div></div>","PeriodicalId":252,"journal":{"name":"Bioelectrochemistry","volume":"168 ","pages":"Article 109158"},"PeriodicalIF":4.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145463040","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0