Article
Chemistry, Multidisciplinary
Qian Zhang, Panpan Li, Jun Wu, Yi Peng, Huan Pang
Summary: 2D metal-organic frameworks (MOFs) have shown great promise as electrochemical sensing materials. In this study, a simple hydrothermal synthesis method was used to prepare pyridine-regulated lamellar Ni-MOFs with ultrathin and well-defined 2D morphology. Compared with bulk MOFs, the 2D lamellar Ni-MOF exhibited higher surface area and active site density, leading to improved electrochemical glucose sensing performance.
Article
Chemistry, Analytical
Xiaofeng Wei, Jialei Guo, Huiting Lian, Xiangying Sun, Bin Liu
Summary: A portable, robust, and user-friendly electrochemical analytical chip for nonenzymatic quantitative detection of glucose was developed in this study, with the advantages of low cost, high environment tolerance, ease of production. The chip has great potential for rapid on-site analysis in personalized diagnostic and disease prevention.
SENSORS AND ACTUATORS B-CHEMICAL
(2021)
Article
Engineering, Chemical
Xuanze Li, Wenyan Tian, Caichao Wan, Sulai Liu, Xinyi Liu, Jiahui Su, Huayun Chai, Yiqiang Wu
Summary: In this study, a new ternary composite was developed by integrating highly conductive polypyrrole and active nanoflower-like nickel-cobalt layered double hydroxide on a pore-rich cellulose nanofibril aerogel substrate. This composite exhibited outstanding glucose sensing performance, including high sensitivity, short response time, wide linear range, strong immunity to interference, and good long-term stability. It also showed a high recovery rate when determining blood glucose levels, indicating its potential for high-performance blood glucose sensing.
FRONTIERS OF CHEMICAL SCIENCE AND ENGINEERING
(2023)
Article
Chemistry, Analytical
Yu-Ting Wu, Po-Kai Tsao, Kuan-Jung Chen, Yu-Chi Lin, Sofiannisa Aulia, Ling-Yu Chang, Kuo-Chuan Ho, Chih-Yu Chang, Hitoshi Mizuguchi, Min-Hsin Yeh
Summary: This study proposes a novel Ni-based layered double hydroxide as an electrocatalyst in lactate sensors to address the instability of enzymes in biosensors. By incorporating secondary transition metal Co, the sensitivity of lactate oxidation was increased, leading to improved performance of NiCo LDH-modified electrodes in the concentration range of 5 to 25 mM.
SENSORS AND ACTUATORS B-CHEMICAL
(2021)
Article
Chemistry, Physical
Thangavelu Kokulnathan, Tzyy-Jiann Wang, Faheem Ahmed, Nishat Arshi
Summary: The development of highly-efficient electrocatalysts is crucial for detecting carbendazim (CDM) residue in the environment. In this study, nickel cobalt-layered double hydroxide (NiCo-LDH) was synthesized and used to modify the glassy carbon electrode (GCE) for the electrochemical detection of CDM. The NiCo-LDH exhibited strong electrochemical activity towards CDM sensing, with favorable analytical performance and potential application in real-time analysis.
SURFACES AND INTERFACES
(2023)
Article
Chemistry, Multidisciplinary
Wenhui Wang, Hongwei Yan, Utkarsh Anand, Utkur Mirsaidov
Summary: The study reveals the process of MOF nanoparticles converting into LDH nanostructures using liquid-phase transmission electron microscopy. The findings show that maintaining comparable etching and growth rates is crucial for forming hollow nanostructures with the shape of underlying MOF NP template.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2021)
Article
Engineering, Electrical & Electronic
Tianheng Sun, Xin Cheng, Dongzhi Zhang
Summary: This study reported a low-cost, highly sensitive nonenzymatic glucose sensor based on CuCo2O4 nanoparticles. The CuCo2O4 nanoparticles were synthesized using oxalic acid and sodium hydroxide, and exhibited superior glucose sensing performance compared to NaOH-assisted CuCo2O4. The sensor showed good selectivity, repeatability, and long-term stability.
IEEE SENSORS JOURNAL
(2022)
Article
Engineering, Electrical & Electronic
Shuai Chen, Dongzhi Zhang, Yan Yang, Xiaoshuang Song
Summary: A high sensitivity, low cost non-enzymatic glucose sensor was successfully developed on a printed circuit board substrate, showing excellent sensor performance and application prospects.
IEEE SENSORS JOURNAL
(2021)
Article
Environmental Sciences
Hessamaddin Sohrabi, Ehsan Dezhakam, Ehsan Nozohouri, Mir Reza Majidi, Yasin Orooji, Yeojoon Yoon, Alireza Khataee
Summary: This article provides an overview of different types and applications of glucose analysis methods, including traditional chromatography, spectroscopy, and electrochemical analysis. It also discusses the utilization of nanomaterials in sensor design. Additionally, the article highlights the current limitations and future challenges in glucose analysis.
Article
Chemistry, Analytical
Lanjie Lei, Chao Zhao, Xiaofei Zhu, Shuai Yuan, Xing Dong, Yinxiu Zuo, Hong Liu
Summary: The study presents a nonenzymatic electrochemical sensor for wearable glucose monitoring, which demonstrates acceptable selectivity and reliability for continuous glucose detection up to 30 days, as well as good biocompatibility. A fully integrated wearable glucose monitoring system with wireless connectivity to a smartphone has been developed.
Article
Nanoscience & Nanotechnology
Anindita Chakraborty, Himadri Acharya
Summary: A CoAl-LDH/Cu-(tpa) MOF nanocomposite with excellent dye adsorption performance was successfully synthesized, following pseudo first order kinetics and Langmuir isotherm model during the adsorption process. The endothermic nature of energy adsorption was demonstrated, along with good regeneration capabilities and potential application in wastewater treatment for selective removal of anionic dyes.
ACS APPLIED NANO MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Kijun Kim, Jinwoo Kim, Youn-Sang Bae
Summary: The study systematically investigates a series of ZIF-Zn(x)Co1-x materials and demonstrates that Zn2+ and Co2+ combination in a metal-organic framework (MOF) provides a promising platform for developing a glucose sensor with good sensitivity and chemical stability. ZIF-Zn0.5Co0.5 is selected as the optimal glucose-sensing material due to its high Co2+ content and well-preserved crystallinity and porosity. ZIF-Zn0.5Co0.5 exhibits superior electrocatalytic glucose-sensing performance and excellent selectivity for glucose.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2022)
Review
Materials Science, Multidisciplinary
Chaohui He, Muhammad Asif, Qingqing Liu, Fei Xiao, Hongfang Liu, Bao Yu Xia
Summary: This review briefly introduces the fundamentals and development of glucose sensors and discusses the modification strategies of noble metal (NM) nanomaterials and their applications in enzyme-free glucose detection from the perspective of surface construction and interface modification. The challenges and opportunities for noble metal materials in electrochemical nonenzymatic glucose detection are also proposed.
ADVANCED MATERIALS TECHNOLOGIES
(2023)
Article
Chemistry, Analytical
Wei Jiao, Guiyan Ding, Lu Wang, Ying Liu, Tianrong Zhan
Summary: The synthesis of PANI/CoAl-LDH composite through ultrasonic mixing results in an electrode with excellent electrocatalytic activity. The sensor demonstrates accuracy in detecting carbaryl and isoprocarb pesticides in real vegetable samples, with high selectivity and stability.
Article
Chemistry, Physical
Chengcheng Qi, Yuhua Luo, Yongping Dong
Summary: The study focuses on the electrochemical sensing of single atoms and their catalytic performance. Fe1Se1/NC, a dual single-atom catalyst, showed significantly enhanced electrocatalytic activity for H2O2 reduction and can be used for H2O2 detection. This work provides a novel design of dual-atom catalysts for excellent electrochemical sensing applications.
APPLIED SURFACE SCIENCE
(2023)
Article
Chemistry, Multidisciplinary
Quanduo Liang, Zhenzhen Shen, Xiguang Sun, Dehai Yu, Kewei Liu, Samuel M. M. Mugo, Wei Chen, Dong Wang, Qiang Zhang
Summary: This article proposes a strategy to address the tradeoff between modulus mismatch and transparency-electron conductivity in conventional implantable probes, by using polypyrrole-decorated microgels as cross-linkers to generate conductive and transparent hydrogels. The biomimetic electrode demonstrated a prolonged capacity for simultaneous optogenetic neuromodulation and recording of brain neural signals in the hippocampus of rat brains, and realized an intriguing brain-machine interaction involving signal input, neural signal generation, and limb behavior control.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Analytical
Altaf Hussain, Xiaohui Zhang, Yulin Shi, Fuad Abduro Bushira, Tesfaye Hailemariam Barkae, Kaixiang Ji, Yiran Guan, Wei Chen, Guobao Xu
Summary: In this study, Fe and Fe/Ni-MOFs nanorices were prepared by a solvothermal method and then calcined to obtain 1D Fe2O3 and Ni0.4Fe2.6O4 nanorices. It was found that Ar-annealed Ni0.4Fe2.6O4 nanorices have higher Ovs concentrations and smaller sizes. Among the synthesized nanorices, the Ar-Ni0.4Fe2.6O4 nanorices show higher sensitivity to diethylamine, low detection limit, wide dynamic response, high stability, and faster response/recovery time.
ANALYTICAL CHEMISTRY
(2023)
Article
Chemistry, Inorganic & Nuclear
Yue Zhang, Pengkun Xia, Hui Fan, Xiaohui Gao, Fangping Ouyang, Wei Chen
Summary: A glucose sensor with high sensitivity and low detection limit was successfully constructed using CoO-400 nanoneedles, which exhibit a larger electrochemical active surface area, beneficial electronic structure, favorable lattice distortion, and abundant active sites. The glucose sensor shows superior performance in terms of sensitivity, detection limit, anti-interference ability, stability, repeatability, and reproducibility.
DALTON TRANSACTIONS
(2023)
Article
Electrochemistry
Wentao Xu, Kefeng Wu, Yanhua Wu, Qian Guo, Fangfang Fan, Anmei Li, Linjuan Yang, Fuqin Zheng, Youjun Fan, Wei Chen
Summary: This study reports an efficient self-supporting electrocatalyst consisting of NiMoO4 nanorods modified by MoOy with internal oxygen vacancies and epitaxially grown NiTex. This catalyst achieves low overpotential and low Tafel slope in alkaline electrolyte, showing sustainable durability. Additionally, an electrolytic cell system assembled with this catalyst demonstrates extraordinary performance in alkaline electrolyte.
ELECTROCHIMICA ACTA
(2023)
Article
Electrochemistry
Fangfang Fan, Qiulan Huang, Rajkumar Devasenathipathy, Xinglan Peng, Fan Yang, Xiaotian Liu, Limin Wang, Du -Hong Chen, Youjun Fan, Wei Chen
Summary: This research presents a facile strategy to construct a nanomaterial with controllable composition and structure for oxygen reduction and evolution reactions in rechargeable Zn-air batteries. The nanomaterial consists of Co, CoxP, and a hollow N-doped carbon shell. The relationship between activity and shell thickness was studied. By adjusting the phosphorous content, the nanomaterial showed superior bifunctional oxygen electrocatalytic activity. In addition, it exhibited excellent performance in a practical Zn-air battery.
ELECTROCHIMICA ACTA
(2023)
Article
Chemistry, Physical
Zhengrong Wang, Limin Wang, Karuppasamy Kohila Rani, Muhammad Waqas, Dujuan Huang, Qiulan Huang, Xiaotian Liu, Zhongyun Yang, Xinglan Peng, Du -Hong Chen, Wei Chen, Youjun Fan
Summary: Cost-effective fabrication of highly active PtNiCu catalysts for direct methanol fuel cells is crucial to alleviate pollution and energy crisis. This study presents the synthesis of ternary PtNiCu catalysts by hydrogen reduction method, which show excellent activity for methanol oxidation reaction (MOR). The electronic structure near Pt surface is optimized by alloying transition metals such as Ni and Cu, and the prepared PtNiCu catalysts outperform binary PtNi, PtCu, and Pt catalysts on multi-walled carbon nanotubes (MWCNTs) for MOR.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Physical
Fangfang Fan, Yanxing Hui, Rajkumar Devasenathipathy, Xinglan Peng, Qiulan Huang, Wentao Xu, Fan Yang, Xiaotian Liu, Limin Wang, Du-Hong Chen, Youjun Fan, Wei Chen
Summary: In this study, bifunctional oxygen electrocatalysts consisting of cobalt-molybdenum-based bimetallic carbide and cobalt nanoparticles embedded N-doped carbon nanocages were synthesized. The prepared catalyst exhibits excellent activity and stability, with a low overpotential for oxygen evolution reaction and high half-wave potential for oxygen reduction reaction. Moreover, it demonstrates remarkable performance in rechargeable Zn-air batteries, including high open-circuit voltage, power density, specific capacity, and charge-discharge cycle stability. This work provides a new strategy for the integration and active-adjustment of bifunctional catalysts and their potential applications in water splitting and other catalytic reactions.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Chemistry, Physical
Xinjie Tong, Ziwei Zhang, Zhongying Fang, Jinhan Guo, Yue Zheng, Xiaolong Liang, Rupeng Liu, Leting Zhang, Wei Chen
Summary: Electrocatalytic synthesis of ammonia is a significant reaction that has attracted attention due to its mild reaction conditions and various applications. In this study, defect-rich PdMoCu trimetallic nanosheets were synthesized and found to exhibit excellent electrocatalytic activity for the nitrate reduction reaction (NO3RR) to ammonia. The nanosheets showed high selectivity, stability, and a Faraday efficiency of 56.95% at an optimal potential of -0.6 V.
JOURNAL OF PHYSICAL CHEMISTRY C
(2023)
Article
Nanoscience & Nanotechnology
Qin Yang, Wenjing Yang, Zhen Wang, Rong Chen, Mingzi Li, Chuanjian Qin, Dahang Gao, Wei Chen
Summary: This research reports a method of using betaine and metal ions to construct high-conductive hydrogels, and successfully prepares PAA-Al3+/betaine hydrogels with high toughness and antifreezing property. The hydrogel exhibits excellent mechanical properties, conductivity, transparency, and low cytotoxicity, and can be used for motion detection and information recognition.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Physical
Xuan Liu, Jianying Wang, Zhongying Fang, Shuaiqi Gong, Dengke Gong, Wei Chen, Deli Wu, Zuofeng Chen
Summary: An ultrafast electro-corrosion method is developed to activate Ni foam as an efficient electrocatalyst for recycling PBT waste plastic. The treated Ni foam (T-NF) shows enhanced activity, characterized by the integrated Ni2+/Ni3+ peak area which is increased by 150 times. The T-NF electrode exhibits excellent catalytic activity for 1,4-butanediol oxidation, leading to the electrocatalytic reforming of PBT hydrolysate into succinate with a high Faraday efficiency of 93%.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Chemistry, Analytical
Dujuan Huang, Xinyu Wu, Muhammad Waqas, Ruixiang Wang, Limin Wang, Qiulan Huang, Xinglan Peng, Du -Hong Chen, Youjun Fan, Wei Chen
Summary: Tailoring the electronic structure of Pt-based catalysts by introducing Ni can enhance the efficiency and stability of methanol oxidation reaction. The electronic environment of Pt atoms can be further improved by alloying different atomic content of Ni. The PtNi alloy nanoparticles supported on PEDOT-MWCNTs exhibited excellent catalytic performance in methanol oxidation reaction, surpassing traditional Pt nanoparticles dispersed on PEDOTMWCNTs, MWCNTs, and commercial carbon black.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2023)
Article
Chemistry, Analytical
Altaf Hussain, Baohua Lou, Fuad Abduro Bushira, Shiyu Xia, Fangshuo Liu, Yiran Guan, Wei Chen, Guobao Xu
Summary: In this study, CuO nanoellipsoids with outstanding sensing properties were successfully synthesized for accurate detection of low-concentration DEA at room temperature. The CuO nanoellipsoids exhibited ultra-low detection limit, excellent selectivity and sensitivity, exceptional long-term stability and repeatability, and fast response/recovery time. The exceptional performance of CuO nanoellipsoids was attributed to their high porosity, 1D nanostructure, unsaturated metal sites, and abundant oxygen vacancies.
ANALYTICAL CHEMISTRY
(2023)
Article
Chemistry, Physical
Xiaotian Liu, Congcong Huang, Muhammad Waqas, Limin Wang, Dujuan Huang, Qiulan Huang, Zhongyun Yang, Youjun Fan, Cheng Hou, Wei Chen
Summary: By using DES as a solvent and co-reagent, stable Pt nanoparticles were prepared, offering superior catalytic activity and high stability in methanol oxidation reaction. The relationship between doping content and catalytic performance was also revealed, providing a new strategy for other catalytic reactions.
MOLECULAR CATALYSIS
(2023)
Article
Chemistry, Inorganic & Nuclear
Xiaoqu Wang, Limin Wang, Karuppasamy Kohila Rani, Xinglan Peng, Yu Ning, Xiaotian Liu, Youjun Fan, Du-Hong Chen, Wei Chen
Summary: This study fabricates heterogeneous and hollow microspheres for enhancing the catalytic kinetics of the oxygen evolution reaction (OER). The prepared samples exhibit lower overpotential and higher electrocatalytic performance in OER. This work provides a method for the assembly of nanoparticles and the construction of heterojunctions.
INORGANIC CHEMISTRY FRONTIERS
(2023)