Review
Chemistry, Multidisciplinary
Huijuan Cui, Yibo Guo, Zhen Zhou
Summary: 3D graphene macrostructures with unique structure, large accessible surface area, and active sites have shown promising potential in electrocatalysis. This review focuses on the latest progress in the field, covering preparation methods, functional modification strategies, and detailed discussion on electrocatalytic performances. Challenges and perspectives are also presented for further exploration of excellent 3D GM-based electrocatalysts.
Article
Chemistry, Physical
Tingjiao Xiao, Qianwu Chen, Wen Zhong, Mingzhi Yang, Feipeng Cai, Weiliang Liu, Manman Ren, Yuanhao Wang
Summary: In this study, a composite of cobalt metal nanoparticles/three-dimensional carbon/reduced graphene oxide was synthesized using corn husk, ZIF-67, and graphene oxide. This composite was used as a modifier for commercial polypropylene to prepare a separator for lithium-sulfur batteries. The electrochemical performance of the composite separator was found to be better than that of the commercial separator due to the synergy effects of the three-dimensional carbon skeleton, reduced graphene oxide, and cobalt metal nanoparticles.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Applied
Muthusankar Ganesan, Ramadhass Keerthika Devi, Ai -Ho Liao, Kuo-Yu Lee, Gopu Gopalakrishnan, Ho-Chiao Chuang
Summary: In this study, a porous 3D flower-like neodymium molybdate nanosheets (pf-NdM NSs) were designed and used as a catalyst for the electrochemical detection of methyl parathion (MP). The proposed catalyst exhibited high electrocatalytic activity and selectivity, resulting in a low detection limit, wide linear range, and good sensitivity. Real sample analysis in tomato juice and paddy grains confirmed the practicality of the sensor.
Article
Chemistry, Physical
Yucheng Lv, Tao Yang, Xinmei Hou, Zhi Fang, Karthikeyan Rajan, Yao Di, Wenkun Peng, Yiqun Deng, Tongxiang Liang
Summary: Yttrium-stabilized zirconia@reduced graphene oxide (YSZ@rGO) nanofibers with uniform porous structure were prepared through electrospinning and thermal reduction process. PEDOT/YSZ@rGO electrode was fabricated by electrodeposition and showed high sensitivity for methyl parathion (MP) detection. The sensor exhibited excellent performance in terms of detection limit, linear detection range, and anti-interference ability, making it suitable for applications in food safety and wastewater monitoring.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Biophysics
Wei Liu, Xingtong Dong, Han Qin, Lei Sui, Jian Wang
Summary: This study investigated the potential application of a three-dimensional porous reduced graphene oxide/hydroxyapatite composite membrane as a guided bone regeneration membrane. The membrane displayed good biocompatibility with MC3T3-E1 and HUVEC cells, enhanced ALP secretion, and promoted in vivo calvarial defect repair. The membrane's porous side and dense side structure show great potential as an ideal GBR membrane.
COLLOIDS AND SURFACES B-BIOINTERFACES
(2021)
Article
Nanoscience & Nanotechnology
Xiao-Ting Jing, Zhejiaji Zhu, Li-Wei Chen, Di Liu, Hui-Zi Huang, Wen-Jing Tian, An-Xiang Yin
Summary: This study reports a rationally modulated nitrogen-doped graphene aerogel matrix (NGA) that can significantly enhance the performance of bismuth nanoplates (BiNPs) in the electrochemical CO2 reduction reaction (CO2RR). The NGA modifies the electronic structure of bismuth and regulates the interface for chemical reaction and mass transfer environments. The Bi/NGAhdrz catalyst exhibits greatly improved CO2RR properties, achieving a high Faradaic efficiency (FE) of 96.4% for formate evolution.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Nanoscience & Nanotechnology
Sascha Morlock, Senthil K. Subramanian, Athina Zouni, Fred Lisdat
Summary: The study focuses on using reduced graphene oxide as an electrode material to construct a three-dimensional structure for semi-artificial photosynthesis. By optimizing electrode preparation and protein immobilization, the performance and thickness of the electrode can be adjusted to achieve higher photocurrents. The operational stability and performance at low illumination intensities have been analyzed and show promising results.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Applied
Wenzhe Li, Tingting Xie, Xingguang Chen, Jian Lu, Ran Qiu, Jiyang Chu, Rui Lin, Guangfa Xie, Dianhui Wu
Summary: An electrochemical sensing platform based on N-rGO/Pd-LaV was developed for simultaneous detection of two pesticides. N-doping enhanced the electron transport and catalytic ability of rGO, and avoided the aggregation of Pd-LaV. The platform exhibited superior charge transfer rate and electrocatalytic ability.
JOURNAL OF FOOD COMPOSITION AND ANALYSIS
(2023)
Article
Chemistry, Multidisciplinary
Hamideh Zolfaghari, Fakhri Yousefi, Mehrorang Ghaedi, Soleiman Mosleh
Summary: In this study, Zr(CUR)/NiCo2S4/CuCo2S4 and Zr(CUR)/CuCo2S4/Ag2S ternary composites were synthesized as efficient photocatalysts and used in a spiral-shaped photocatalytic reactor for degradation of the methyl parathion pesticide. The results showed that the spiral-shaped reactor achieved a higher degradation efficiency compared to the traditional annular reactor under the same conditions.
Article
Chemistry, Multidisciplinary
Elena Madalina Mihai, Iuliana Mihalache, Anca-Ionela Istrate, Cristina Antonela Banciu, Cosmin Romanitan, Oana Brincoveanu, Eugenia Tanasa, Alexandra Banu, Lucia Monica Veca
Summary: By synthesizing and characterizing the TiO2/3D-GF/Ni hybrid, it was found that this nanomaterial could decolorize methyl orange dye by over 90% under simulated sunlight irradiance. Additionally, the efficiency reached 99.5% after three successive cycles.
Article
Materials Science, Multidisciplinary
Jiawei Gong, Hongliang Tang, Meifang Wang, Xueting Lin, Kailong Wang, Jiyang Liu
Summary: In this study, a fast and convenient method for preparing free-standing three-dimensional graphene nanomesh (3D-GNM) with excellent electrocatalytic properties was proposed. The 3D-GNM exhibited well-separated oxidation peaks towards dopamine, uric acid, and ascorbic acid, and showed high sensitivity and selectivity for the determination of these substances in ternary mixture or biological samples.
MATERIALS & DESIGN
(2022)
Article
Chemistry, Analytical
Tian Tao, Yang Zhou, Mingyu Ma, Hanping He, Nan Gao, Zhiwei Cai, Gang Chang, Yunbin He
Summary: The novel graphene electrochemical transistor (GECT) based on zirconia/reduced graphene oxide (ZrO2/rGO) nanocomposites functionalized gate electrode and graphene channel was successfully designed and fabricated for highly sensitive detection of methyl parathion (MP). The sensor exhibited ultra-low detection limit and ultra-wide linear range, showing good selectivity and practicality in Chinese cabbage samples.
SENSORS AND ACTUATORS B-CHEMICAL
(2021)
Article
Materials Science, Multidisciplinary
Shi Liu, Bingjian Li, Yinjie Zhou, Xixi Xu, Rong Yang, Qiuze Wang, Jinchun Li
Summary: The NHGH-0.2 electrode, synthesized with nitrogen doped and hydrogen peroxide etching, exhibits a high specific surface area and hierarchical holey structure, leading to excellent electrochemical performance and cycling stability for capacitive deionization.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2021)
Article
Chemistry, Multidisciplinary
Yubo Zou, Zeyu Chen, Zhiyuan Peng, Chuying Yu, Wenbin Zhong
Summary: The proposed method in this study allows for the preparation of ANF/rHGO and ANF/rHGO/PANI hydrogels with high mechanical properties and thermal stability, demonstrating excellent recoverability and oil absorption capacity, as well as high tensile strength in the obtained films, promising for various applications.
Article
Nanoscience & Nanotechnology
Mohd Salman Siddiqui, Mohammed Aslam
Summary: In this study, l-arginine-functionalized 3D macroporous graphene was synthesized by assembling reduced graphene oxide nanosheets. A soil pH microsensor was fabricated using the 3D graphene/l-arginine structure as a sensing platform and showed an increase in conductivity with an increase in pH. The sensor exhibited high sensitivity and response in detecting pH variations in different types of soil samples and varying concentrations of CaCl2 solution.
ACS APPLIED NANO MATERIALS
(2023)
Article
Engineering, Environmental
Thangavelu Kokulnathan, Tzyy-Jiann Wang, Faheem Ahmed, Thamraa Alshahrani
Summary: In this study, a novel electrochemical electrode material based on a 2D ZnCr layered double hydroxide (LDH)/ tungsten carbide (WC) composite was prepared and investigated for the detection of mesalazine (MSZ). The ZnCr-LDH/WC modified electrode exhibited superior electrocatalytic activity and excellent performance for MSZ detection in human urine and river water samples.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Environmental Sciences
Thangavelu Kokulnathan, Tzyy-Jiann Wang, Thangapandian Murugesan, Allen Joseph Anthuvan, Rishi Ranjan Kumar, Faheem Ahmed, Nishat Arshi
Summary: Pharmaceutical pollution poses a global health threat, making accurate and rapid detection crucial. In this study, a flexible electrochemical sensor based on binder-free zinc oxide nanograins on carbon cloth (ZnO NGs@CC) was synthesized and used for the quantification of hydroxychloroquine (HCQ), a typical pharmaceutical pollutant. The ZnO NGs@CC platform exhibited superior electrochemical performance in HCQ detection, with wide sensing range, low detection limit, high sensitivity, and strong selectivity. The sensor also achieved good recovery rates in biological and environmental samples.
Article
Electrochemistry
Balamurugan Karupppaiah, Anupriya Jeyaraman, Shen -Ming Chen, Yu-Ching Huang
Summary: The construction of highly sensitive electrochemical sensors is crucial for detecting pharmaceutical drugs due to their significant pollution in aqueous systems. In this study, we developed a highly sensitive electrochemical sensor for ronidazole (RNZ), a veterinary antibiotic drug. The electrode was fabricated using cobalt oxide nanorods integrated with hexagonal boron nitride-modified glassy carbon electrode (CoCo2O4 NRs/h-BN/GCE). The electrocatalytic activity of CoCo2O4 NRs/h-BN/GCE was analyzed, and it showed the highest sensitivity for RNZ detection with a low limit of detection (3 nM) and high sensitivity (5.845 mu A mu M-1 cm-2).
ELECTROCHIMICA ACTA
(2023)
Article
Chemistry, Inorganic & Nuclear
Thangavelu Sakthi Priya, Tse-Wei Chen, Shen-Ming Chen, Thangavelu Kokulnathan, Muthumariappan Akilarasan, Syang-Peng Rwei, Jaysan Yu
Summary: An iron diselenide (FeSe2)-modified screen-printed carbon electrode (SPCE) was successfully fabricated for the electrochemical determination of furaltadone (FLD). The FeSe2/SPCE exhibited advantageous physiochemical properties and superior catalytic performance compared to the bare SPCE for FLD sensing. The FeSe2-based platform showed wide linearity, low detection limit, and high sensitivity, making it a highly suitable candidate for real-time glucose level determination.
INORGANIC CHEMISTRY
(2023)
Article
Chemistry, Physical
Thangavelu Kokulnathan, Tzyy-Jiann Wang, Faheem Ahmed, Shalendra Kumar
Summary: A novel hierarchical system of NiFe-layered double hydroxide (LDH)/Mo2C nanocomposite was fabricated through environmentally friendly deep eutectic solvents (DESs) by the solvothermal method and utilized as an electrochemical platform for NO2- detection. The NiFe-LDH/Mo2C modified glassy carbon electrode (GCE) showed superior performance compared to unmodified and other modified GCEs, with a low oxidation potential and wide working range.
JOURNAL OF MOLECULAR LIQUIDS
(2023)
Article
Chemistry, Multidisciplinary
Venkatachalam Vinothkumar, Rajalakshmi Sakthivel, Shen-Ming Chen, Arumugam Sangili, Tae Hyun Kim
Summary: In this study, a Sr@Mn3O4 anchored graphene oxide (GO) electrocatalyst was developed for the detection of nitrofurantoin (NFT). The synergistic activity of Sr@Mn3O4 with GO enhances the specificity and sensitivity of NFT detection. The fabricated Sr@Mn3O4/GO-modified electrode shows a wide dynamic linear range, low limit of detection, and good sensitivity for NFT.
ENVIRONMENTAL SCIENCE-NANO
(2023)
Article
Environmental Sciences
Thangavelu Sakthi Priya, Tse-Wei Chen, Shen-Ming Chen, Thangavelu Kokulnathan, Bih-Show Lou, Wedad A. Al-onazi, Mohamed S. Elshikh, Jaysan Yu
Summary: This study presents a hydrothermal method to prepare perovskite-type potassium niobate (KNbO3) using a deep eutectic solvent (DES), which is utilized as an electrode material for the determination of bisphenol A (BPA). The synthesized KNbO3 is characterized by different microscopic and spectroscopic techniques. The KNbO3-modified electrode exhibits excellent electrocatalytic activity for BPA due to its active sites, large electrochemical surface area, high electrical conductivity, and rapid electron transfer. The fabricated sensor shows a wide detection range, low limit of detection, high sensitivity, and good anti-interference abilities, and it is successfully applied to determine BPA in food samples, demonstrating its practicality. This design provides a new approach to fabricate efficient electrode materials for various electrochemical applications using a DES medium.
Article
Electrochemistry
Tse-Wei Chen, Rasu Ramachandran, Pitchaimani Veerakumar, Shen-Ming Chen, Vishnu Priya Veeraraghavan, Vinitha Mariyappan, Ramanujam Kannan, Paulsamy Raja
Summary: Heterogeneous based functionalized nanocomposite materials have attracted significant attention in energy storage and conversion due to their fast electron transfer process and long life cycles. This review briefly discusses various techniques used for fabricating carbon based nanocomposites, such as sol-gel, hydrothermal, in situ polymerization, and electrochemical methods. Functionalized carbon decorated nanocomposites have become the focus of future energy technologies, especially for their larger electrode surface area, high mechanical strength, excellent electrochemical properties, and rapid electrochemical redox behavior. The advancements in nanoscale based composite devices provide a platform for developing new energy storage technology to meet global energy demands. Finally, the review summarizes the recent advantages of carbon supported composites, which significantly enhance their electrochemical energy storage device properties, including high capacitance and boosted specific capacitive values.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2023)
Review
Biochemistry & Molecular Biology
Selvaganapathy Ganesan, Kalaipriya Ramajayam, Thangavelu Kokulnathan, Arunkumar Palaniappan
Summary: Recent studies have found a high correlation between the concentrations of analytes in sweat and blood, making sweat an attractive medium for disease diagnosis and health monitoring. However, low analyte concentrations in sweat pose a challenge, requiring high-performing sensors. MXenes, a recently developed nanomaterial, show promise as a material of choice for bio-electrochemical sensors due to their tunable electrical properties and biocompatibility. This review discusses the progress in MXene-based sensors and their applications, as well as the challenges and future perspectives in sweat-sensing.
Article
Engineering, Environmental
Tse-Wei Chen, Thangavelu Sakthi Priya, Shen -Ming Chen, Thangavelu Kokulnathan, Faheem Ahmed, Thamraa Alshahrani
Summary: In this study, praseodymium vanadate (PrVO4) was synthesized as an electrode material for the electrochemical sensor of fur-altadone (FLD) detection using green deep eutectic solvents (DES) via the solvothermal method. The PrVO4-modified electrode exhibited excellent electrochemical performance due to its high conductivity, active sites, and fast electron transfer ability. Under optimal experimental conditions, the PrVO4-modified electrode showed a dynamic linear range (0.008-91 μM), trace-level detection limit (0.002 μM), high sensitivity (4.276 μA μM-1 cm-2), and strong selectivity for FLD detection. Practical applicability of the PrVO4-modified electrode was successfully demonstrated for FLD determination in pond water, human urine, and fish samples, indicating its potential for real sample analysis. This work provides useful guidelines for the design and development of electrode materials based on DES for electrochemical sensor applications.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
(2023)
Article
Engineering, Environmental
Thangavelu Kokulnathan, Tzyy-Jiann Wang, Faheem Ahmed, Thamraa Alshahrani
Summary: In this study, unique 3D flower-like zinc-chromium layered double hydroxides (ZnCr-LDHs) were synthesized and utilized as the electrode material for electrochemical detection of Furaltadone (FLD). The ZnCr-LDHs showed superior electrochemical performance compared to conventional materials, with wide linear ranges, low limits of detection and quantitation, high sensitivity, good reproducibility, and anti-interfering ability. The practicality of the ZnCr-LDHs/GCE was successfully demonstrated in the detection of FLD in human-urine and river-water samples.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
(2023)
Review
Engineering, Multidisciplinary
Kalaipriya Ramajayam, Selvaganapathy Ganesan, Purnimajayasree Ramesh, Maya Beena, Thangavelu Kokulnathan, Arunkumar Palaniappan
Summary: Molecularly imprinted polymers (MIPs) have gained attention in sensor development applications due to their biomimetic artificial receptor system inspired by antibody-antigen reactions. They enhance the sensitivity and specificity of optical and electrochemical sensors through precise binding to analytes. This review discusses polymerization chemistries, synthesis strategies, imprinting parameters, recent developments, and applications of MIPs in biomarker detection, environmental monitoring, and bioimaging.
Article
Chemistry, Analytical
Saranvignesh Alagarsamy, Ruspika Sundaresan, Tse-Wei Chen, Shen-Ming Chen, Bih-Show Lou, Balaji Ramachandran, Sayee Kannan Ramaraj, M. Ajmal Ali, Mohamed S. Elshikh, Jaysan Yu
Summary: Research in rare-earth metal molybdates, especially gadolinium molybdate (GdM), has gained interest due to their unique properties. In this study, GdM was synthesized using reduced graphene oxide (RGO). The GdM/RGO nanocomposite was then used for the electrochemical detection of metol (ML), showing excellent electrical properties. The GdM/RGO sensor exhibited a low detection limit and a wide linear range for ML determination.
MICROCHEMICAL JOURNAL
(2023)
Article
Materials Science, Multidisciplinary
Saranvignesh Alagarsamy, Ruspika Sundaresan, Shen-Ming Chen, J. Meena Devi, Narendhar Chandrasekar, Balaji Ramachandran
Summary: Pharmaceutical and personal care products have emerged as a new category of environmental pollution. The detection of drugs from a biological sample remains crucial. Mefenamic acid (MA), an anti-inflammatory drug, is harmful to patients at higher dosages and is recognized as a chemical pollutant. In this study, Dysprosium manganite/carbon nanofiber (DMO/CNF) was prepared for electrochemical detection of MA, showing high selectivity, anti-interference properties, stability, and reproducibility. The proposed DMO/CNF nanocomposite with its enhanced electrochemical performance has promising applications in MA detection.
C-JOURNAL OF CARBON RESEARCH
(2023)
Article
Engineering, Environmental
M. Murugalakshmi, Kadarkarai Govindan, Muthu Umadevi, Carmel B. B. Breslin, Velluchamy Muthuraj
Summary: A series of Sm2O3/xIn(2)S(3) heterostructures were synthesized and utilized as photocatalysts for the degradation of ciprofloxacin and the reduction of hexavalent chromium. The study investigated the impact of various operating conditions on the photocatalytic performances. The Sm2O3/15 wt% In2S3 photocatalyst showed high efficiency in both ciprofloxacin degradation and hexavalent chromium reduction.
ENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY
(2023)
Article
Chemistry, Analytical
Mengmeng Guo, Na Luo, Yueling Bai, Zhenggang Xue, Qingmin Hu, Jiaqiang Xu
Summary: A porous heterostructure WO3-C/In2O3 was designed and prepared for a miniature H2 sensor, which showed higher response value, lower operating temperature, fast response-recovery speed, and low limit of detection.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)
Article
Chemistry, Analytical
Feng Hu, Hui Hu, Yuting Li, Xiaohui Wang, Xiaowen Shi
Summary: Arsenic contamination in water bodies is a significant health risk. This study developed a chitosan-catechol modified electrode for rapid and accurate detection of trace amounts of arsenic. The modified electrode demonstrated good detection capability and resistance to ionic interference, making it suitable for in situ detection.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)
Article
Chemistry, Analytical
Yantao Zhang, Qian Liu, Tao Tian, Chunhua Xu, Pengli Yang, Lianju Ma, Yi Hou, Hui Zhou, Yongjun Gan
Summary: In this study, a lysosome-targeting buffering fluorogenic probe (Lyso-BFP) was designed and synthesized, demonstrating excellent photostability, pH specificity, and responsiveness to lysosomal acidification in living cells. The performance of Lyso-BFP in pH sensing was attributed to the inhibition of the photo-induced electron transfer process. Lyso-BFP allowed for wash-free imaging and long-term real-time monitoring of lysosome pH changes based on its off-on fluorescence behavior and buffer strategy.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)
Article
Chemistry, Analytical
Wei Cai, Wenbo Sun, Jiayue Wang, Xiaokui Huo, Xudong Cao, Xiangge Tian, Xiaochi Ma, Lei Feng
Summary: In this study, a near-infrared fluorescent probe HCBG was developed for imaging of alpha-GLC. HCBG exhibited excellent selectivity and sensitivity towards alpha-GLC in complex bio-samples, and showed good cell permeability for in situ real-time imaging. Through the high-throughput screening system established by HCBG, a natural alpha-GLC inhibitor was successfully isolated and identified. This study provides a novel fluorescence visualization tool for discovering and exploring the biological functions of diabetes-related gut microbiota, and a high-throughput screening approach for alpha-GLC inhibitor.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)
Article
Chemistry, Analytical
Trey W. Pittman, Xi Zhang, Chamindie Punyadeera, Charles S. Henry
Summary: Heart failure is a growing epidemic and a significant clinical and public health problem. Researchers have developed a portable and affordable diagnostic device for heart failure that can be used at the point-of-care, providing a valid alternative to current diagnostics approaches.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)
Article
Chemistry, Analytical
Anders O. Tjell, Barbara Jud, Roland Schaller-Ammann, Torsten Mayr
Summary: An optical hydrogen peroxide sensor based on catalytic degradation and the detection of produced oxygen is presented. The sensor offers higher resolution and better sensitivity at lower H2O2 concentrations. By removing O2 from the sample solution, a more sensitive O2 sensor can be used for measurement. The sensor has been successfully applied in a flow-through cell to measure H2O2 concentration in different flow rates.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)
Article
Chemistry, Analytical
Seong Jae Kim, Ji-hun Jeong, Gaabhin Ryu, Yoon Sick Eom, Sanha Kim
Summary: Surface-enhanced Raman spectroscopy (SERS) is a high-sensitivity, label-free detection method with various analytical applications. Researchers have developed a hydrophobic SERS substrate based on engineered carbon nanotube arrays (CNT-SERS) and studied the role of structural design at both micro and nanoscales. The substrate demonstrated controlled self-enrichment capability and enhanced sensitivity, with a significant increase in the SERS signal. The study also proposed a theoretical model and a concentration strategy inspired by plants for analyte deposition on microarrays.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)
Article
Chemistry, Analytical
Dan Zhao, Renjun Jiang, Xiaoqiang Liu, Subbiah Alwarappan
Summary: In this study, a novel ternary composite material was constructed by assembling cerium vanadate nanorods on reduced graphene oxide-microcrystalline cellulose nanosheets, and it was used for real-time monitoring of the concentration of superoxide anions in vivo. The ternary composite showed excellent conductivity, large surface area, and abundant active sites, leading to a wider linear range, high sensitivity, low detection limit, and fast response time for superoxide anion detection.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)
Article
Chemistry, Analytical
Tengfei Wang, Liwen Wang, Guang Wu, Dating Tian
Summary: In this study, a covalent organic framework material TaTp-COF with porous and uniform spheres was successfully prepared via hydrothermal reaction, and it was found to significantly enhance the aggregation-induced emission (AIE) of berberine. The unique emission properties of berberine on TaTp-COF were studied and utilized for the sensitive detection of berberine.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)
Article
Chemistry, Analytical
Lin Li, Yilei Ding, Lei Xu, Shuoran Chen, Guoliang Dai, Pengju Han, Lixin Lu, Changqing Ye, Yanlin Song
Summary: In this study, a novel TTI based on a ratiometric fluorescent nanosensor is designed, which has the advantages of high accuracy and low cost. Experimental and theoretical investigations confirm its pH responsiveness and demonstrate its good sensitivity and reliability. By monitoring the total volatile basic nitrogen, this TTI can accurately predict food spoilage and can be adaptively modified for different types of food. The TTI based on this nanosensor enables visual monitoring of food quality.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)
Article
Chemistry, Analytical
Fangju Chen, Xueting Wang, Wei Chen, Chenwen Shao, Yong Qian
Summary: Lung cancer is the second most common malignant tumor worldwide. Drug resistance in lung cancer leads to treatment failure and recurrence in majority of patients. This study developed a fluorescent prodrug that can be activated in cancer cells to release drugs, and its signal can be tracked by imaging. It shows a unique autophagy-driven ferroptosis effect, indicating its potential for targeting drug-resistant cancer cells.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)
Article
Chemistry, Analytical
Weichao Li, Qiming Yuan, Zhangcheng Xia, Xiaoxue Ma, Lifang He, Ling Jin, Xiangfeng Chu, Kui Zhang
Summary: This study developed a high-performance gas sensor for formaldehyde detection by modifying ZnSnO3 with ZnO QDs and SnO2 QDs. The modified sensor showed improved sensing response and lower working temperature. The presence of ZnO QDs formed rich heterojunctions, increased surface area, and provided oxygen deficiency for formaldehyde sensing reaction, thus enhancing the sensor performance. This research provides an alternative method to enhance the sensing properties of MOS by QDs modification.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)
Article
Chemistry, Analytical
Joung-Il Moon, Eun Jung Choi, Younju Joung, Jin-Woo Oh, Sang-Woo Joo, Jaebum Choo
Summary: A novel nanoplasmonic substrate was developed for biomedical applications, which showed strong hot spots for detecting biomarkers at low concentrations. The substrate, called AuNPs@M13, was made by immobilizing 60 nm gold nanoparticles onto the surface of an M13 bacteriophage scaffold. It demonstrated higher sensitivity and lower limit of detection compared to commercially available assays.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)
Article
Chemistry, Analytical
Ning Li, Ya Zhang, Ying Xu, Xiaofang Liu, Jian Chen, Mei Yang, Changjun Hou, Danqun Huo
Summary: The molecular subtype of breast cancer guides treatment and drug selection. Invasive tests can promote cancer cell metastasis, so the development of high-performance, low-cost diagnostic tools for cancer prognosis is crucial. Liquid biopsy techniques enable noninvasive, real-time, dynamic, multicomponent, quantitative, and long-term observations at the cellular, genetic, and molecular levels. A Cu-Zr metal-organic framework (MOF) nanoenzyme with monatomic Cu attachment has been synthesized and proven to have high catalytic performance. The sensor constructed using this nanoenzyme shows potential for accurate classification of breast cancer serum samples.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)
Article
Chemistry, Analytical
Jeongmin Kim, Hyemin Kim, Seunghyun Park, Hyeonaug Hong, Yong Jae Kim, Jiyong Lee, Jaeho Kim, Seung-Woo Cho, Wonhyoung Ryu
Summary: This study presents a method to fabricate independently functioning microneedle (MN) electrodes with narrow intervals for high precision electrochemical sensing. The optimized mixture of photocurable polymer and single-wall carbon nanotubes was used to mold single composite MNs, which were then attached to pre-patterned electrodes. Plasma etching and electropolymerization were performed to enhance the electrochemical activity, and Prussian blue and glucose oxidase were electrodeposited on the MNs for glucose detection. The MN electrodes showed good sensitivity and linearity, and the feasibility of glucose detection was demonstrated in an in vivo mouse study.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)
