Article
Chemistry, Analytical
Tian Tao, Nan Gao, Hanping He, Rui Zhou, Bo Tu, Zhiwei Cai, Gang Chang, Yunbin He, Xiaoxu Ji
Summary: A novel graphene electrochemical transistor (GECT) sensor based on Au-PEDOT/rGO nanocomposites is proposed for ultra-sensitive detection of acetaminophen (AP). The sensor demonstrates high sensitivity and stability, enabling accurate determination of AP in human non-invasive and pharmaceutical products.
ANALYTICA CHIMICA ACTA
(2022)
Article
Chemistry, Analytical
Zhenfei Chen, Yan Zhang, Yongqiang Yang, Xuerong Shi, Lu Zhang, Guangwen Jia
Summary: A high-performance nitrogen-doped holey graphene electrochemical sensor has been successfully developed for the determination of the organophosphorus pesticide methyl parathion. The sensor showed ultralow detection limits and a wide linear range, with pyrrolic-N in the N-HG playing a critical role in enhancing electron transfer and electrocatalysis. The sensor exhibited excellent selectivity, accuracy, and satisfactory recoveries for real samples, indicating great potential for applications in environmental analysis and bio-sensing.
SENSORS AND ACTUATORS B-CHEMICAL
(2021)
Article
Engineering, Electrical & Electronic
Shuigen Li, Xiangyu Xie, Jianxia Zheng, Quanping Xu, Rong Li, Minghui Xiong, Jian Xiong
Summary: In this paper, a low temperature and high pressure hydrothermal reaction system was designed. Urea was used as the reducing agent and nitrogen source for graphene oxide (GO), as well as the ammonium source for NH4NiPO4. Ammonium dihydrogen phosphate served as both the ammonium and phosphorus source, while nickel nitrate was used as the nickel ion source. The NH4NiPO4@rGO powder was characterized using various techniques, and a smooth modified layer of NH4NiPO4@rGO/GCE was prepared. The electrochemical properties of NH4NiPO4@rGO/GCE were evaluated, confirming its high sensitivity to glucose, low detection limits, wide linear range, stability, and selectivity towards glucose.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2023)
Article
Electrochemistry
Narumon Wannasri, Pikaned Uppachai, Nuttaya Butwong, Sakwiboon Jantrasee, Illyas Md Isa, Sirinuch Loiha, Supalax Srijaranai, Siriboon Mukdasai
Summary: A novel nonenzymatic electrochemical sensor for detecting methyl parathion was developed using copper oxide nanoparticle-deposited waste coffee grounds activated carbon. The sensor showed high selectivity, sensitivity, stability, and low cost, making it a promising tool for MP detection.
JOURNAL OF APPLIED ELECTROCHEMISTRY
(2022)
Article
Chemistry, Analytical
Baojun Long, Yuanmeng Zhao, Peiyu Cao, Wen Wei, Yan Mo, Juejing Liu, Cheng-Jun Sun, Xiaofeng Guo, Changsheng Shan, Ming-Hua Zeng
Summary: The researchers designed a catalyst composed of single-atom Pt supported on Ni(OH)(2) nanoplates/nitrogen-doped graphene for constructing an electrochemical nonenzymatic glucose sensor. The catalyst exhibited low anode peak potential and high sensitivity, with excellent selectivity, short response time, and high stability. The improved performance of the catalyst was attributed to the stronger binding strength of glucose on the single-atom Pt active centers and their surrounding Ni atoms, as well as the fast electron transfer ability of the conductive graphene.
ANALYTICAL CHEMISTRY
(2022)
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
Chemistry, Analytical
Shuying Yang, Yahui Wang, Qinglin Sheng
Summary: A hierarchical nanocomposite consisting of NiCo2O4 nanorods and NiCo2O4 nanoparticles was successfully prepared and used as a working electrode to examine the electrochemical behavior of glucose. The results showed improved sensitivity and suitability of the prepared sensor for glucose analysis, with optimal parameters such as potential, linear range, limit of detection, stability and repeatability.
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, Analytical
Shuo Duan, Xuyue Wu, Zaixi Shu, Anhong Xiao, Bo Chai, Fuwei Pi, Jiahua Wang, Huang Dai, Xiaodan Liu
Summary: An electrochemical sensor based on UiO-66(Zr) loaded curcumin (CCM) was designed for the sensitive detection of methyl parathion (MP). The electrode exhibited a wide linear range, low detection limit, excellent reproducibility and stability. It also showed outstanding sensing capabilities in the electrochemical detection of MP in vegetables and fruits samples.
MICROCHEMICAL JOURNAL
(2023)
Article
Chemistry, Physical
Hongyuan Zhao, Huina Ma, Xiaoguang Li, Binbin Liu, Runqiang Liu, Sridhar Komarneni
Summary: The electrode sensor prepared with halloysite/multi-walled carbon nanotubes nanocomposite showed excellent performance in detecting methyl parathion, with a low detection limit and good detection effect.
APPLIED CLAY SCIENCE
(2021)
Article
Chemistry, Analytical
Gilberto J. Silva Junior, Jessica Soares Guimaraes Selva, Anandhakumar Sukeri, Josue M. Goncalves, Matias Regiart, Mauro Bertotti
Summary: In this work, nanoporous gold (NPG) was prepared using three different approaches, with the combined method showing the most surface defects, largest electrochemical surface area, and highest sensitivity for the detection of methyl parathion. The NPG(A+B) sensor demonstrated excellent selectivity, reproducibility, and repeatability for MP detection, with a linear behavior in the concentration range of 5-50 ng mL(-1) and a low limit of detection (LOD) of 0.6 ng mL(-1).
Article
Engineering, Environmental
Ruixia Li, Minghui Shang, Taotao Zhe, Mingyan Li, Feier Bai, Zhihao Xu, Tong Bu, Fan Li, Li Wang
Summary: In this study, a new electrochemical sensor based on N-doped carbon hollow nanospheres modified with Sn/MoC Schottky junction (Sn/MoC@NC) was designed for detecting methyl parathion (MP). The structure and physicochemical properties of Sn/MoC@NC were characterized using various microscopy, spectroscopic, and electrochemical techniques. The experimental results demonstrated that the sensor had a calibration curve for current and MP concentration (0.05-10 μg/mL), with a sensitivity of 9.02 μA μM-1 cm-2 and a detection limit of 8.9 ng/mL. The constructed sensor exhibited excellent selectivity, repeatability, and stability for MP detection in grapes and tap water.
JOURNAL OF HAZARDOUS MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Kamrun Nahar Fatema, Chang-Sung Lim, Yin Liu, Kwang-Youn Cho, Chong-Hun Jung, Won-Chun Oh
Summary: In this study, a novel nanocomposite of silver doped ZrO2 combined graphene-based mesoporous silica (ZrO2-Ag-G-SiO2) was synthesized using a low-cost and self-assembly strategy. The synthesized material was characterized using various techniques and showed promising electrocatalytic performance for glucose detection in urine samples.
Article
Environmental Sciences
Davalasab Ilager, Nagaraj P. Shetti, Yann Foucaud, Michael Badawi, Tejraj M. Aminabhavi
Summary: By utilizing GO and g-C3N4 nanohybrid electrode assembly, trace level detection of MP and CBZ was successfully achieved in this study. The complete voltammetric behavior and influence of pH were investigated, revealing the significance of this method in agricultural and environmental domains.
Article
Spectroscopy
Xiangchuan Wu, Jinhui Wei, Chengyuan Wu, Guangping Lv, Lina Wu
Summary: In this study, ZrO2/CeO2/PAA nanocomposites with phosphatase-like activity were synthesized, enhancing the activity of CeO2 nanorods by adding ZrO2. Coating the nanocomposites with PAA improved dispersion, stability, and robustness. The nanocomposites showed excellent adaptability in a wide pH range and were used for the detection of methyl parathion.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2021)
Article
Chemistry, Physical
Wenyu Fang, Kuan Kuang, Haoran Wei, Xinglin Xiao, Yue Chen, Mingkai Li, Yunbin He
Summary: This study proposes three 2D nanomaterials with excellent thermoelectric performance and high photocatalytic activity. These materials exhibit negative Poisson's ratios and high thermal stability, resulting in outstanding thermoelectric properties at different temperatures. Additionally, they also possess high photocatalytic water splitting activity, indicating promising applications in the field of clean energy.
Article
Chemistry, Physical
Wenyu Fang, Haoran Wei, Xinglin Xiao, Yue Chen, Kuan Kuang, Mingkai Li, Yunbin He
Summary: In this work, three novel two-dimensional materials, KTlO, RbTlO, and CsTlO, were proposed for potential applications in thermoelectric materials. Based on first principles calculations, these monolayers were found to possess high stability and suitable band gaps. They exhibited anisotropic carrier mobilities, large Seebeck coefficients, high conductivities, and power factors. The research results indicate that these materials have promising applications in the fields of microelectronic devices and thermoelectric materials.
APPLIED SURFACE SCIENCE
(2022)
Article
Chemistry, Physical
Yuqi Zhou, Shuaibing Gao, Jie Huang, Meng Shen, Shenglin Jiang, Yunbin He, Qingfeng Zhang
Summary: In this study, novel La3+ and Ta5+ co-substituted AgNbO3 ceramics were developed, which enhanced antiferroelectric phase stability and refined polarization-electric field loops by decreasing the tolerance factor, reducing the polarizability of B-site cations, and increasing local structure heterogeneity. The addition of La3+ and Ta5+ also reduced grain sizes and increased the band gap, contributing to increased energy storage capacity. The resulting (Ag0.88La0.04)(Nb0.96Ta0.04)O3 ceramics demonstrated a high recoverable energy density of 6.79 J/cm3 and large efficiency of 82.1%, surpassing many recently reported AgNbO3 based ceramics in overall energy storage properties.
JOURNAL OF MATERIOMICS
(2023)
Article
Chemistry, Physical
Wenyu Fang, Kuan Kuang, Xinglin Xiao, Haoran Wei, Yue Chen, Mingkai Li, Yunbin He
Summary: Two-dimensional materials, MgAl2Se4 and MgIn2Se4, possess low thermal conductivity and high electrical properties, showing potential applications in nanoelectronics and thermoelectric devices.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Materials Science, Multidisciplinary
Yingxiang Li, Zebin Zhou, Hang Pan, Jian Chen, Yuchao Wang, Qiulin Qu, Dongjiu Zhang, Mingkai Li, Yinmei Lu, Yunbin He
Summary: A self-driven solar-blind ultraviolet photodetector (SBUVPD) was developed by depositing a b-Ga2O3 thin film on a commercially available fluorine doped tin oxide (FTO) substrate using pulsed laser deposition, with multi-layer graphene (MLG) as the top electrode. The introduction of MLG significantly enhanced the photocurrent and responsivity of the photodetector. The device exhibited excellent detection performance, delivering a high photocurrent of 31 nA towards 250 nm-light with an ultra-fast response speed and a maximum responsivity of 9.2 mA/W.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2023)
Article
Nanoscience & Nanotechnology
Shuang Yan, Gaochen Yang, Huanfeng He, Qi Liu, Qingqi Peng, Jian Chen, Mingkai Li, Yinmei Lu, Yunbin He
Summary: In this study, Hf0.5Zr0.5O2/beta-Ga2O3 heterojunction-based self-driven solar-blind UV photodetectors were constructed by combining ferroelectric Hf0.5Zr0.5O2 material with Ga2O3. The optimized device with a HfZrO2 layer thickness of 10 nm showed remarkable responsivity and detectivity, outperforming single Ga2O3-based devices. The device's performance could be adjusted by varying the poling states of HfZrO2 and showed significant enhancement in the upward poling state.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Materials Science, Multidisciplinary
Shuaibing Gao, Yue Huang, Ying Jiang, Meng Shen, Haitao Huang, Shenglin Jiang, Yunbin He, Qingfeng Zhang
Summary: In this study, Ce4+ and Ta5+ co-modified (Ag0.96Ce0.01)(Nb1-xTax)O3 relaxor antiferroelectric (AFE) ceramics were designed to improve the energy storage properties of silver niobate (AgNbO3). The co-doping strategy not only suppressed the ferrielectric behavior and enhanced the relaxor degree, but also improved the breakdown strength and discharge properties of the ceramics. The resulting ceramic exhibited an ultrahigh recoverable energy density, large power density, and stable discharge capacity over a wide temperature range.
Article
Chemistry, Physical
Yue Chen, Wenyu Fang, Fengxin Liu, Kuan Kuang, Xinglin Xiao, Haoran Wei, Mingkai Li, Yunbin He
Summary: Based on first-principles calculations, the properties and characteristics of Au contacts on different SnO2 interfaces were investigated. The Schottky barrier height (SBH) was found to strongly depend on the interface structure and the presence of oxygen vacancies (VO) in the SnO2 layer. Additionally, doping with low-valence elements can alter the contact properties. The modulation effect of SBH is mainly caused by the rearrangement of interfacial potentials and results in different SBH values.
APPLIED SURFACE SCIENCE
(2023)
Article
Chemistry, Physical
Pan Huang, Lufeng Chen, Daotian Shi, Qi Liu, Jian Chen, Mingkai Li, Yinmei Lu, Jinming Guo, Yunbin He
Summary: In this study, high-quality beta-Ga2O3 thin films were heteroepitaxially grown on MgO(100) substrates using pulsed laser deposition, and highly-sensitive solar-blind ultraviolet photodetectors were achieved. The beta-Ga2O3 films were single-phase, (100)-oriented, and atomically-smooth with unique columnar nanodomains of 8-12 nm width.
APPLIED SURFACE SCIENCE
(2023)
Article
Chemistry, Multidisciplinary
Biqi He, Kuan Kuang, Guoliang Tong, Junjie Tang, Sheng Cao, Zixian Yu, Mingkai Li, Yunbin He, Junnian Chen
Summary: Halide mixing in 3D perovskites can modulate their structural and charge transport properties, resulting in improved electrical properties and device performance. In this study, bromine (Br) mixing in (NMPDA)Pb2I6 perovskitoid was investigated, and it was found that the halide ordered structure with specific Br sites led to enhanced ion migration activation energy, reduced defect states density, and improved carrier mobility-lifetime product. The photodetector based on the mixed halide perovskite showed superior performance compared to other perovskites.
Article
Chemistry, Physical
Zhenhao Fan, Shuaibing Gao, Yunfei Chang, Dawei Wang, Xin Zhang, Haitao Huang, Yunbin He, Qingfeng Zhang
Summary: Current polymer nanocomposites for energy storage suffer from low discharged energy density and efficiency at high temperature. To solve this problem, polyetherimide (PEI) nanocomposites filled with core-shell structured nanoparticles are developed, which consist of a PLZST antiferroelectric core and an Al2O3 shell. The PLZST core provides a wide temperature range of low remnant electric displacement, improving the electric displacement-electric field loops of the nanocomposites. The Al2O3 shell with similar dielectric constant to the PEI matrix and high thermal conductivity enhances breakdown strength and suppresses conduction loss, resulting in an ultrahigh discharged energy density of 10.20 J cm(-3) at 150 degrees C and a large efficiency of 83.5%.
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
Article
Materials Science, Multidisciplinary
Yingying Cheng, Jiaxing Mao, Hongyi Zhu, Yanhui Dong, Jian Chen, Mingkai Li, Yinmei Lu, Yunbin He
Summary: In this study, a strategy for constructing Ga2O3/BFMO heterojunction-based photodetectors was proposed to enhance responsivity and detectivity by utilizing the built-in electric field and ferroelectric depolarization electric field for carrier separation. The fabricated photodetector exhibited tunable performance under zero bias, with higher performance observed in the upward poling state and under weak light illumination.
JOURNAL OF MATERIALS CHEMISTRY C
(2023)
Article
Chemistry, Multidisciplinary
Biqi He, Kuan Kuang, Bing Xu, Junjie Tang, Sheng Cao, Zixian Yu, Mingkai Li, Yunbin He, Junnian Chen
Summary: A one-dimensional hybrid lead bromide perovskitoid based on hexamethonium has been developed for broadband red emission. The unique structure results in intriguingly red emission peaking at 692 nm, with a PLQY of around 6.24%. Spectroscopic and computational studies reveal the origin of the red emission.
CHEMICAL COMMUNICATIONS
(2023)
Article
Chemistry, Physical
Jie Huang, Xu Hou, Shuaibing Gao, Yuqi Zhou, Haitao Huang, Yunbin He, Qingfeng Zhang
Summary: In this study, fine-grained AgNbO3 AFE ceramics were fabricated by hydrothermal methods and showed ultra-high recoverable energy density and large energy efficiency. Compared with traditional solid-state reaction methods, hydrothermally synthesized AgNbO3 ceramics exhibited better capacitive properties and discharge characteristics, with a shorter synthesis time.
JOURNAL OF MATERIALS CHEMISTRY A
(2022)
Article
Chemistry, Multidisciplinary
Xia Dacheng, Zhou Rui, Tu Bo, Cai Zhiwei, Gao Nan, Ji Xiaoxu, Chang Gang, Ren Xiaoming, He Yunbin
Summary: In this work, Au nanowires array was prepared through a seed-mediated soft template growth method, and modified with silver nanoparticles to form Ag/Au nanowires array as a SERS substrate. The SERS substrate showed high sensitivity, excellent signal homogeneity, and good stability, with a low detection limit for malachite green in water. Moreover, the substrate can be recycled due to the removal of adsorbed molecules without affecting the SERS performance.
CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
(2022)
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)
