Article
Chemistry, Analytical
Huanhuan Zhang, Wei Wei, Tiyue Tao, Xinlei Li, Xiaohong Xia, Yuwen Bao, Manon Lourenco, Kevin Homewood, Zhongbing Huang, Yun Gao
Summary: Constructing a heterojunction of hierarchical and porous NiO/TiO2 layers is effective for improving gas sensing properties. The hydrogen sensor designed in this study consists of NiO nanowalls with exposed (111) facets on top and (002) oriented TiO2 nanorod arrays at the bottom. The heterojunction-induced high energy crystal surfaces and surface depletion region enable the sensor to have a wide detection range and a higher response to hydrogen. The optimized size of the pores between the walls provides excellent interference prevention from CO.
SENSORS AND ACTUATORS B-CHEMICAL
(2023)
Article
Engineering, Electrical & Electronic
Ya-Hui Chuai, Dian-Cheng Su, Dan Yue, Yu Bai
Summary: Molecular beam epitaxy was used to prepare highly sensitive low-temperature sensors for noxious gases using p-type semiconductor CuAlO2 thin films. The CuAlO2 films displayed excellent response to NO gas with short response and recovery time. The films have potential applications in human health and environmental monitoring.
SENSORS AND ACTUATORS A-PHYSICAL
(2022)
Article
Chemistry, Physical
Moonjeong Jang, Juyeon Lee, Se Yeon Park, Jiyun Lee, Kyung Min Lee, Wooseok Song, Sung Myung, Sun Sook Lee, Ha-Kyun Jung, Yun Chan Kang, Sang Kyu Kwak, Ki-Seok An
Summary: This study presents a novel method to enhance the sensing performance of ZnO thin films using a gas-selective layer, achieving effective enhancement of sensing performance under ambient conditions through intermolecular interactions between gas molecules and polymers.
APPLIED SURFACE SCIENCE
(2021)
Article
Chemistry, Physical
Shu Zhu, Qingyin Tian, Guoguang Wu, Wengang Bian, Na Sun, Xin Wang, Chunjie Li, Yucai Zhang, Hongrui Dou, Chengyi Gong, Xiangqing Dong, Jianping Sun, Yunzhu An, Qiang Jing, Bo Liu
Summary: In this study, a dense WO3 thin film was prepared using a simple metal organic decomposition method and calcining procedure, and a H2 gas sensor was fabricated on its surface. The sensor exhibited high sensitivity and low detection limit at an optimal operating temperature of 160 degrees C. It showed good stability and linear behavior with response values that remained consistent even after more than half a year. The homogeneous and optimal distribution of PdO nanoparticles in the WO3 film is believed to be the main reason for the sensor's improved performance. The results suggest that this structure-based H2 sensor has great potential for practical applications.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Article
Materials Science, Multidisciplinary
Vernica Verma, N. K. Pandey, Ajeet Singh, Peramjeet Singh, Priya Gupta, B. C. Yadav
Summary: This study reports the fabrication of a novel biphasic LPG sensor that operates at room temperature. The Cu6Sn5:SnO2 nanocomposite thin films were synthesized through a hydrothermal route, and their microstructural details were determined using XRD. The films exhibited enhanced sensitivity and quick response and recovery time for LPG sensing at room temperature, with the Cu6Sn5 dominant phase nanocomposite showing improved performance. The improved performance may be attributed to the formation of a crystalline structure.
MATERIALS CHEMISTRY AND PHYSICS
(2022)
Article
Physics, Multidisciplinary
Payal Patial, Nupur Aggarwal, Manish Deshwal, Haewon Byeon, Hitendra Kumar Lautre, Naveen Kumar
Summary: Transparent and crack-free ZnO thin films were prepared on a silicon substrate using spin coating technique, and the effect of variable thickness on their properties was analyzed. The crystallographic structure of the films was characterized using X-ray diffraction, and it was found that a thickness of 155 nm resulted in the best gas sensing performance.
Article
Chemistry, Analytical
Inyalot Jude Tadeo, Rajasekar Parasuraman, Arun M. Umarji
Summary: The article introduces the synthesis, characterization, and gas sensing properties of V2O5 thin films prepared at different temperatures using ultrasonic nebulization. The V2O5-Qu-350 thin films exhibited the highest response towards ethanol and NO2, showing potential for detecting these gases in various environments.
SENSORS AND ACTUATORS B-CHEMICAL
(2021)
Article
Engineering, Environmental
Yajie Zhang, Yadong Jiang, Zaihua Duan, Yingwei Wu, Qiuni Zhao, Bohao Liu, Qi Huang, Zhen Yuan, Xian Li, Huiling Tai
Summary: In this study, In2O3/MoS2 composite sensor was synthesized to improve the sensitivity and selectivity of NO2 detection at room temperature.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Physics, Condensed Matter
Y. Vijayakumar, P. Nagaraju, T. Sreekanth, Uppula Rushidhar, P. S. Reddy
Summary: V2O5 has been synthesized using chemical spray pyrolysis technique, with studies conducted on its structural, morphological, optical, and electrical properties. It was found that an increase in precursor volume affects the crystallinity and optical band gap of the thin films. Gas sensing investigations revealed the selectivity of the film towards various volatile organic vapours.
SUPERLATTICES AND MICROSTRUCTURES
(2021)
Article
Nanoscience & Nanotechnology
Yudai Yamashita, Kaori Takayanagi, Kazuhiro Gotoh, Kaoru Toko, Noritaka Usami, Takashi Suemasu
Summary: The study found that Zn1-xGexOy films can serve as excellent interlayers for BaSi2, providing high photoresponsivity and effective surface passivation, thereby reducing carrier recombination rate.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Engineering, Electrical & Electronic
Yu-Shien Shiah, Kihyung Sim, Yuhao Shi, Katsumi Abet, Shigenori Ueda, Masato Sasase, Junghwan Kim, Hideo Hosono
Summary: This study successfully fabricated ultrastable thin-film transistors with mobilities of 70 cm(2) (V s)(-1) by understanding the origins of instability in high-mobility amorphous oxide transistors. The research identified the sensitivity of amorphous oxide semiconductors to externally introduced impurities and defects, and explained the mechanism of how carbon-monoxide-related impurities affect the stability of high-mobility indium tin zinc oxide transistors.
NATURE ELECTRONICS
(2021)
Article
Materials Science, Multidisciplinary
Kishan Lal Kumawat, Pius Augustine, Deependra Kumar Singh, Saluru Baba Krupanidhi, Karuna Kar Nanda
Summary: In this study, a p-n heterojunction based on two-dimensional MoS2 and CuO was integrated, achieving self-powered and broadband photodetection at an illumination of 12.5 μW/cm². The device exhibited enhanced photoresponse at a reverse bias of -1.0 V, attributed to the built-in electric voltage and rectifying diode characteristics of the MoS2/CuO heterostructure.
JOURNAL OF MATERIALS CHEMISTRY C
(2022)
Article
Chemistry, Analytical
Youngbo Choi, Yoonseung Lee, Surin Hong
Summary: Trace amounts of volatile organic compounds (VOCs) were detected in Au chip interfaces modified with mesoporous SiO2 nanomaterials using a surface plasmon resonance (SPR) technique. The sensors modified with specific ligands showed high sensitivity and selectivity to the target gas molecules.
SENSORS AND ACTUATORS B-CHEMICAL
(2022)
Article
Engineering, Environmental
Qi Liu, Qiqi Sun, Chuangyu Wei, Xiyou Li, Sirong Yu, Jianfeng Li, Yanli Chen
Summary: This study demonstrates the production of a flexible n-n heterojunction film as an electrochemical identification layer for wearable gas sensors, showing good responses to several gases. The uniform and compact structure of the heterojunction films provides excellent mechanical flexibility and suppresses the penetration of gases, leading to fast recovery speed.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Sukhwinder Singh, Jyotirmoy Deb, Utpal Sarkar, Sandeep Sharma
Summary: The research team developed a MoS2/MoO3 composite with enhanced surface properties using a two-step approach, which exhibited superior sensing characteristics as a gas sensor in detecting NH3 under extreme working conditions. The synergistic effect of heterostructure formation between the base materials contributed to the selective response of the composite towards NH3 gas in humid environments.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2021)
Article
Chemistry, Multidisciplinary
Amar M. Patil, Sunil Moon, Youngho Seo, Sanjib B. Roy, Arti A. Jadhav, Deepak P. Dubal, Keonwook Kang, Seong Chan Jun
Summary: This study demonstrates the unique core-shell architecture of metal organic framework derived N-S codoped carbon@CoxSy micropetals decorated with Nb-incorporated cobalt molybdate nanosheets, which significantly improves the electrochemical performance of high-energy-density battery-type materials. The optimized electrode exhibits a high specific capacity and excellent cycle stability. A flexible quasi-solid-state supercapacitor with a layer-by-layer deposited reduced graphene oxide/Ti3C2TX anode also achieves high specific energy and capacity retention over 10,000 charge-discharge cycles.
Article
Materials Science, Multidisciplinary
Helapiyumi Weerathunga, Thu Trang Do, Hong Duc Pham, Robert Jones, Jennifer MacLeod, TaeYoung Kim, Deepak Dubal
Summary: A freestanding, ultra-flexible, and washable joule heater was developed using a biocompatible poly(styrene-isoprene-styrene) (SIBS) polymer as binder and carbon black (CB) as heating material. The heater exhibited a minimum resistivity and conductivity of 26 m omega cm and 7.4 S cm(-1), respectively. It also demonstrated excellent stability and performance even after mechanical property tests such as bending, repetitive bending, twisting, and washing.
ADVANCED MATERIALS TECHNOLOGIES
(2023)
Article
Chemistry, Physical
Mahesh Y. Chougale, Muhammad Umair Khan, Jungmin Kim, Jordan Cosgrove, Rayyan Ali Shaukat, Qazi Muhammad Saqib, Maniram Banjade, Swapnil R. Patil, Cameron Brown, Deepak Dubal, Jinho Bae
Summary: This study investigates the use of snake ecdysis as advanced electronic materials for energy harvesting, sensing, and storage applications. The snake ecdysis exhibits high porosity, flexibility, piezo-sensitivity, and tribopositivity, making it suitable for developing high-performance piezoelectric and triboelectric devices. The results demonstrate the potential of snake ecdysis for sustainable self-driven electronic devices.
Article
Chemistry, Multidisciplinary
Ved Prakash Joshi, Bhanuprakash Sahoo, Nitish Kumar, Prakash Kumar Pathak, Dharitri Rath, Rahul R. Salunkhe
Summary: To improve the energy density of supercapacitors, the use of an advanced pseudo-capacitive electrode in an asymmetric device configuration is feasible and effective. In this study, hierarchical honeycomb-like morphology with controlled Ni/Co molar ratios of NiCo2O4 (NCO) coatings on flexible stainless-steel substrates were synthesized. The fabricated asymmetric supercapacitor delivered high specific energy and power and exhibited excellent cycling stability.
Article
Green & Sustainable Science & Technology
Chinmayee Padwal, Hong Duc Pham, Linh Thi My Hoang, Sagadevan Mundree, Deepak Dubal
Summary: Biomass, such as agricultural waste, is a sustainable source for electrode materials production in energy storage systems. The pre-treatment of biomass is crucial for determining material quality and device performance. Traditional methods using aggressive chemicals pose environmental and health risks. This study introduces deep eutectic solvents (DES) as green, inexpensive, and effective solvents for rice-husk biomass pre-treatment. The results show that DES efficiently removes inorganic impurities while preserving organic content. DES-treated rice-husk is then transformed into silicon/carbon nanocomposites, which exhibit excellent electrochemical properties for lithium-ion batteries.
SUSTAINABLE MATERIALS AND TECHNOLOGIES
(2023)
Article
Materials Science, Multidisciplinary
Baliram Nadekar, Girish S. Gund, Yogesh B. Khollam, Shoyebmohamad F. Shaikh, Dattatray S. Wavhal, Deepak P. Dubal, Pravin More
Summary: With the rapid growth in the manufacturing industry, the emission of hazardous volatile organic compounds (VOCs) has increased, leading to a demand for highly sensitive, selective, and stable gas sensors. We have addressed the issues associated with chemoresistive alcohol sensors by using iodine-doped polyvinyl acetate (IPVAc) films, which offer benefits like low power consumption, ease of manufacture, and long-term stability. These films demonstrated high selectivity for alcohols over other VOCs and stable sensitivity performance over a wide temperature range. Therefore, plasma-polymerized IPVAc films can be applied for highly selective, sensitive, and stable VOC sensing applications.
ACS APPLIED POLYMER MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
R. Patil, N. Kumar, S. Bhattacharjee, B. M. Matsagar, P. -C. Han, K. C. W. Wu, R. R. Salunkhe, A. Bhaumik, S. Dutta
Summary: In this study, a novel strategy for accessing CZIF-70 0 with metallic nickel sites encapsulated by multiwalled nanotube shells was presented. The electrochemical performance and chemical fixation capability of CO2 of this material was found to be superior. The coexistence of nickel and cobalt in CZIF-70 0 improves the electronic transportation capability and enhances the capacitance and CO2 reduction.
MATERIALS TODAY CHEMISTRY
(2023)
Article
Green & Sustainable Science & Technology
M. Barclay, K. Firestein, X. Wang, N. Motta, D. Dubal, K. Ostrikov
Summary: Non-thermal atmospheric pressure plasma is used to assist the synthesis of high specific capacitance MnO2 supercapacitor materials, with the addition of plasma-activated water (PAW) providing an efficient approach and promoting hydration of electrode materials. The use of PAW improves both the specific capacitance and cycle stability of the electrodes.
MATERIALS TODAY SUSTAINABILITY
(2023)
Article
Nanoscience & Nanotechnology
Ved Prakash Joshi, Nitish Kumar, Prakash Kumar Pathak, Mohaseen S. Tamboli, Nguyen Tam Nguyen Truong, Chang Duk Kim, Ramchandra S. Kalubarme, Rahul R. Salunkhe
Summary: In this study, one-dimensional, mixed-phase MnO2 nanorods are synthesized using ionic liquid as a structure-directing agent. These MnO2 nanorods show a significant increase in capacity and high reversibility in zinc-ion batteries, suggesting their potential use as high-performance and durable electrode materials suitable for large-scale applications.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Multidisciplinary
Jinhu Wang, Reza Abazari, Soheila Sanati, Aleksander Ejsmont, Joanna Goscianska, Yingtang Zhou, Deepak P. P. Dubal
Summary: Urea oxidation reaction (UOR) is a promising alternative to water oxidation for green hydrogen production. A water-stable fluorinated Cu(II) metalorganic framework (Cu-FMOF-NH2) was developed as a resistant, low-cost, and environmentally friendly electrocatalyst. Cu-FMOF-NH2 exhibited superior performance to other catalysts, including commercial RuO2 catalyst, achieving high current density at low voltage.
Article
Energy & Fuels
Sambhaji S. Kumbhar, Shraddha B. Bhosale, Sachin S. Pujari, Vinod V. Patil, Nitish Kumar, Rahul R. Salunkhe, Chandrakant D. Lokhande, Umakant M. Patil
Summary: The surface area of cobalt vanadium oxide (CVO) material, which contributes to enhanced charge-storing ability, is controlled through changing growth dynamics. The resulting hydrous cobalt vanadium oxide nanoparticles thin film electrodes show altered surface area and high specific capacitance (Cs) of 793 F g(-1) at 0.5 A g(-1). Aqueous and solid-state hybrid supercapacitor devices constructed using CVO1:1 demonstrate high Cs and specific energy (SE), indicating their potential in electrochemical energy storage.
Article
Energy & Fuels
Shraddha B. Bhosale, Sambhaji S. Kumbhar, Sachin S. Pujari, Vinod V. Patil, Nitish Kumar, Rahul R. Salunkhe, Chandrakant D. Lokhande, Jayavant L. Gunjakar, Umakant M. Patil
Summary: This study focuses on the facile synthesis of nickel vanadate (NV) thin film electrodes using the successive ionic layer adsorption and reaction (SILAR) method without the use of electro-inert binders. By controlling the rinsing and adsorption/reaction time, the surface area, mesoporous structure, and surface morphology of the NV films were tuned. The optimized NV thin film exhibited high specific capacity and energy, making it suitable for hybrid energy storage devices.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Green & Sustainable Science & Technology
Hong Duc Pham, Syam G. Krishnan, Tony Wang, Joseph F. S. Fernando, Chinmayee Padwal, Dmitri V. Golberg, Deepak P. Dubal
Summary: Due to the rapid expansion of the portable electronics and electric vehicles market, the demand for rechargeable batteries is huge and may lead to a shortage of critical minerals, particularly nickel. This study successfully upcycled nickel oxide (NiO) material from spent nickel-metal hydride batteries to develop sustainable electrodes for lithium-ion batteries and supercapacitors. The recycled NiO showed promising capacity as a cathode material, exhibiting excellent rate capability and cycle life in traditional electrolytes. This upcycling process offers a potential solution for future generation energy storage devices and sustainable supply of critical minerals, contributing to a clean environment.
SUSTAINABLE MATERIALS AND TECHNOLOGIES
(2023)
Article
Green & Sustainable Science & Technology
Somnath Khaladkar, Girish Gund, Oshnik Maurya, Bhavesh Sinha, Paresh Salame, Deepak Dubal, Rajendra Deshmukh, Archana Kalekar
Summary: A unique architecture of NiSe nanoparticles decorated on reduced graphene oxide (rGO) has been developed, which significantly improves the electrochemical performance of NiSe. The hybrid supercapacitor based on NiSe/rGO demonstrates a high energy density and good cyclic stability, making it a promising candidate for high-performance hybrid supercapacitors.
ADVANCED ENERGY AND SUSTAINABILITY RESEARCH
(2023)
Article
Chemistry, Physical
Amira Y. Ahmed, Dattatray S. Dhawale, Tarek A. Kandiel
Summary: In this study, a simple solution-based method was developed to deposit transparent iron-incorporated nickel hydroxide electrocatalysts on conductive glass substrates for the oxygen evolution reaction (OER). The incorporation of iron into the nickel hydroxide greatly influenced the transmittance and electrocatalytic activity of the electrodes. The optimized iron-incorporated nickel hydroxide electrode demonstrated excellent stability and significantly lower overpotential compared to benchmark OER catalysts, offering a cost-effective and highly active option for solar fuel production.
SUSTAINABLE ENERGY & FUELS
(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)
