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Enhanced response and recovery observed in CNTs gas sensor using ZnO/HfO2 bilayer memristor heater Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-07 Mohsin Ali, Doowon Lee, Ibtisam Ahmad, Myoungsu Chae, Kyeong Heon Kim, Hee–Dong Kim
In carbon nanotubes (CNTs) based gas sensors, external energy sources are used to enhance the response and recovery characteristics, However, they have significant energy consumption and are constrained by size limitations. In this work, to solve them, we propose a ZnO/HfO2 bilayer–memristor heater (MH) embedded CNTs gas sensor. Firstly, when tuning the thickness of ZnO in the MH, we observed a thickness
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One-Step Process for Ultrasensitive Detection of Mercuric Ions using Nanoparticle Formation and Single-Entity Electrochemistry Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-07 Abinaya Ganesh, Gowrisankar Aruchamy, Kyungsoon Park, Byung-Kwon Kim
Mercuric ions (Hg2+) are common heavy-metal ions that pose a significant threat to human health due to their high toxicity. The detection of excessive concentrations of Hg2+ is critical and requires highly sensitive electrochemical techniques. A novel electrochemical sensing technique was employed for the detection of Hg2+. This study emphasizes the use of single-entity electrochemistry (SEE) for the
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Universal, Sensitive, and Visual Sandwich-type Biosensor Based on Nanogold-catalyzed Reduction and its Application for Detecting C-Reactive Protein in Serum by a Portable Colorimeter Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-07 Runhui Zhang, Huaze Shao, Xiumei Hu, Yongshi Liang, Hanren Chen, Shiquan Zheng, Lihong Liu
We proposed a low-cost, high sensitive and universal point-of-care testing method of different dimension biomarkers based on the target-mediated catalytic reduction suppression of double-sequence aptamers-modified gold nanoparticles (dsApts@AuNPs) and NaBH4 on the organic dyes (T-AAND). Herein, carcinoembryonic antigen, alpha-fetoprotein, C-reactive protein (CRP), thrombin, lipopolysaccharide, Staphylococcus
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Aptamer-directed tyramide signal amplification for ultrasensitive detection of small extracellular vesicles for temporally heterogenous colorectal cancer Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-07 Byung Seok Cha, Eun Sung Lee, Junhyeong Kim, Jinseo Son, Doyeon Kim, Seokjoon Kim, Ki Soo Park
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Multicolor visual biosensor based on dual-functional aptamer-mediated gold nanorod etching for point-of-care testing of β-lactoglobulin Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-08 Chunyan Sun, Qiqi Dang, Xinyue Ma, Rui Jin, Zheng Liu, Peitong Yu, Hongxia Li, Yuting Ji, Junyang Wang
β-Lactoglobulin (BLG) is considered the main sensitizing protein that causes milk allergy and has become one of the hot spots in food safety research. Here, a simple multicolor visualization sensing strategy was constructed by hemin/G-quadruplex (G4) DNAzyme and 3,3′,5,5′-tetramethylbenzidine (TMB)-mediated etching of gold nanorods (GNRs). A dual-functional aptamer enlg2-pl3 was used as the recognition
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Machine learning-assisted three-dimensional fluorescence for heavy metal multi-sensing Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-07 Jiao Chen, Xiaolong Xiong, Jingru Ye, Xinjia Shuai, Jun Zhou, Qingqing Liu, Chengzhi Huang, Hui Liu
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Efficient handy DNA Extraction from Fungal Spores Using Modified ZnO Nano-Rices for Rapid Pathogen Detection Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-07 Huifang Liu, Sun Min Lim, Kelun Zhang, Jaekwan Shin, Bonhan Koo, Chang Ock Park, Sung-Han Kim, Yong Shin
Pathogen infections present a significant threat to human health due to their widespread presence and high transmissibility. Historical evidence underscores the importance of timely pathogen identification and appropriate treatment, not only for individual health recovery but also for the broader impact on human development. In this study, we introduced the homobifunctional imidoester-modified ZnO
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Tunable membrane penetration-directed signal amplification for electrochemical determination of matrix metalloproteinase-2 in cancer diagnosis Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-07 Guozhang Zhou, Yizhang Wu, Yulin Xiong, Yue Cao, Wensheng Liu, Kai Zhang, Jing Zhao, Ming Tu
Cancer is now a leading cause of human death worldwide and discovering an underlying cancer risk is essential to enhance the survival rates of the patients. Herein, we report a facile and sensitive electrochemical biosensing method for the determination of matrix metalloproteinase-2 (MMP-2), a potential indicator in most solid tumors. The core of the method is the use of a well-designed peptide probe
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Mussel-inspired washable, fatigue-resistant, and environmental-friendly smart textile for monitoring NH3 Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-06 Pengfei Tang, Yongjie Liu, Youhong Tang, Hongping Zhang, Qingyuan Wang
Smart textile-based wearable devices show promising application prospects for detecting NH3 concentrations in environmental and health monitoring. However, mechanical loads and aqueous environments during use can damage the interface between the textile fiber and the sensing layer, posing a challenge to the reliable performance of textile-based sensors. Herein, inspired by the adhesion chemistry of
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Nanopore Characterization of DNA–COR–DNA Duplex and the Sensitive Detection of Coralyne Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-06 Ting Li, Shaojiao Song, Wei Lu, Yu Cao, Xin Zheng, Qiuyue Zhao, Hailong Wang
Owing to the high selectivity and binding affinity of coralyne (COR) with deoxyribonucleic acid (DNA)/ribonucleic acid, COR has been confirmed as an effective anticancer drug. However, a direct and sensitive detection assay for a DNA–COR–DNA structure with a portable instrument has not been reported because of the lack of a high-resolution sensor that can identify DNA–COR interaction at a single-molecule
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Ultra-large Stokes-shifted NIR fluorescent probes for the diagnosis and treatment of rheumatoid arthritis via metal-free tracking of carbon monoxide Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-06 Wenping Dong, Mo Ma, Jingkang Li, Dejiang Gao, Pinyi Ma, Daqian Song
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Antibodies Functionalized Magnetic Fe-Metal-Organic Framework Based Biosensor for Electrochemical Detection of Tetanus NeuroToxin Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-06 Sarita Devi, Soraya Riedel, Sarah Döring, Lukas Hiller, Archana Kaliyaraj Selva Kumar, Sabine Flemig, Chandan Singh, Zoltán Konthur, Vasile-Dan Hodoroaba, Rudolf J. Schneider
This work presents a metal-organic framework (MOF)-integrated microfluidic flow-cell (MFC) based immunodetection of the tetanus toxoid (TT) using electrochemical technique for the first time. The magnetic property of Fe-MOF helped to hold them on the working electrode at detection zone of MFC surpassing the requirement of additional conjugation chemistry, whereas the conductive property was utilized
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Aggregation-Induced-Emission Compounds and their Cucurbit[8]uril Self-Assemblies as Fluorescence Sensor Array for the Identification and Discrimination of Bacteria Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-06 Hong-Ling Yi, Qing Tang, Jian-hang Hu, Zhu Tao, Ying Huang
Bacterial infections are often harmful to human health. Thus, to guide the clinical diagnosis of bacteria, it is necessary to distinguish different bacterial species in mixed samples. In this study, two positively charged aggregation-induced emission compounds (AIEgens) TPE-P and BTP-P with good solubility were synthesized. Then, cucurbit[8]uril (Q[8]) interacted with TPE-P and BTP-P to form TPE-P@Q[8]
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UiO-66@TiO2/Au heterojunction-like SERS substrate based on adsorption-induced aggregation for detection of thiamethoxam and triazophos in apple juice Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-05 Shengqiao Gao, Qingyi Wei, Hongbin Pu
Heterojunction-like substrates have drawn significant attention in surface enhanced Raman spectroscopy (SERS) owing to their multi-enhancement characteristics. In this study, the core-shell architectures of UiO-66@ TiO2 were fabricated for capture and enrichment of organophosphorus pesticides (OPs) in solution. After absorption of OPs, the SERS-active nanoparticles of Au were assembled on the core-shell
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Self-powered photoelectrochemical aptasensor based on in situ topological conversion of Bi2O2S/Bi2S3 for sensitive detection of fumonisin B1 Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-05 Na Song, Jingui Chen, Xiaoran Yang, Xiang Ren, Jinhui Feng, Huan Wang, Hongmin Ma, Qin Wei
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Dissolved Oxygen-Induced Highly Efficient Chemiluminescence of Acridinium Sulfonamide-Functionalized MnFe2O4 Nanoparticles for Sensitive Detection of Ascorbic Acid Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-05 Chao Hu, Jiangnan Shu, Wei Nie, Yisha Wang, Hua Cui
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Crosstalk-free two-channel visualization and precise assessment of autophagy-regulated hepatic ischemia-reperfusion injury by a two-photon fluorescent probe Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-05 Qing Chang, Qi Wang, Jingyu Zhang, Yan Fang, Jiale Ou, Huimin Zhou, Xianyun Xu, Qi Chen, Yan Feng, Xiangming Meng
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Research on the coil-shaped element made of α-Fe2O3 doped MWCNTs for the simultaneous measurement of gas and gap at room temperature Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-05 Luheng Wang, Maoyuan Nan, Xisi Long
The coil-shaped element based on α-Fe2O3 doped multi-walled carbon nanotubes (MWCNTs) is fabricated by sputtering and spraying technology for simultaneously measuring the gap and ethanol vapor at room temperature. The experimental results show that with the increase of spraying time, the gas response properties of MWCNTs-based coil-shaped elements change from p-type to n-type, while the gas response
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Hydrogel-polymer hybrid actuator with soft lattice skeleton for excellent connectivity Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-01 Haruna Kozuki, Koki Yoshida, Hiroki Yasuga, Yuta Kurashina
Soft actuators, which integrate stimuli-responsive hydrogels with flexible polymers, have been extensively studied to develop in vivo soft robots for drug delivery systems and non-invasive treatments. However, conventional bilayer actuators, consisting of hydrogel and polymer layers, pose a challenge: the necessity for chemical modification to connect the two layers imposes limitations on the selection
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Light/ultrasound enhance peroxidase activity of BaTiO3/graphdiyne/Au nanozyme for colorimetric detection of E. coli O157:H7 Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-02 Di Zhang, Haoxin Li, Kai Wang, Yujian Sun, Chenguang Wang, Yingying Wang, Qiang Bai, Tianzhi Yu, Zhugen Yang, Ning Sui, Lina Wang
In the past two decades, nanozymes have garnered increasing interest, however, their catalytic activity and efficacy still lag significantly behind that of natural enzymes, posing limitations on their utility in bioanalytical applications. In this study, we introduced a novel BaTiO3/graphdiyne/Au (BGA) nanozyme that leverages surface plasmon resonance and piezoelectric effects to concurrently respond
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Bifunctional strategy based on MoS2/N,S-CQDs/Bi2S3 nanocomposite photosensitive materials: Ultrasensitive detection of prostate antigens and preliminary design of a portable detector Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-04 Yongxue Li, Runuo Wang, Chunling Mao, Qian Hang, Longshan Zhao
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Multi-component gas sensing via spectral feature engineering Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-01 Mohamed Sy, Sarah Aamir, Aamir Farooq
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Optimizing surface states to elevate xylene gas sensing characteristics in ZnCo2O4 microspheres Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-01 Chenlu Hu, Rui Jiang, Yanxu Feng, Jie Huo, Bosen Zhang, Shuangming Wang, Jing Cao
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An intelligent sensing array for thermal runaway characteristic gas concentration prediction based on SACNN-Mamba Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-04 Meng Tang, Xin Zhang, Chang Zhang, Tongbin Chen, Xinxin Yan, Jie Zou, Wanlei Gao, Qinghui Jin, Jiawen Jian
To address the issue of cross-sensitivity when using gas signals for early warning of thermal runaway, an efficient algorithm based on the intelligent sensing array is proposed. The algorithmic model introduced in this paper is a fusion model that incorporates a feature self-attention module, a 1DCNN, and a Mamba module, aiming to enhance the regression prediction accuracy of the intelligent sensing
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Electrical and fluorescent sensing-based dual-functional detection strategy for ultrasensitive antibiotics analysis Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-04 Xiaojie Wei, Tian Tao, Ziwei Ye, Qiuju Li, Zhuo Li, Shun Mao
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Hydrophobicity-promoted humidity-resistant ethanol sensors based on PTFE/Au/WO3 composite films Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-04 Xiaojie Zhu, Xueting Chang, Yingchang Jiang, Weixiang Gao, Shibin Sun
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Sensitive and Reversible Sensing of Oxygen Based on Transition Metals Doped Quasi-2D Layered Perovskites with 4T1→6A1 Luminescence Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-03 Fangyuan Lin, Xuelian Liu, Min Ye, Jingwen Jin, Xi Chen
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Seeing is Believing: Facile Amphiphilic AIEgen Unveils Selective and Ultrafast Wash-Free Dead Cell Imaging Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-03 Kaixin Yang, Yuxin Yang, Leilei Si, Weihan Guo, Guosheng Zhang, Guomin Xia, Hongming Wang
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Improved ensemble learning enhanced serum fingerprinting spectroscopy for lung cancer diagnosis Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-03 Zhejun Yang, Ren Zhang, Chenlei Cai, Hua Zhang, Hui Chen, Jilie Kong
The early diagnosis of lung cancer is crucial for improving patient prognosis, and liquid biopsy plays an important role in early lung cancer screening. In the field of liquid biopsy, label-free Surface-Enhanced Raman Scattering (SERS) possesses its unique advantages as it can provide comprehensive information about the insights into the chemical makeup of serum. However, the nonuniform SERS substrates
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Bioorthogonal Raman and IR probes for live cell metabolomics: A library Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-01-30 Wiktoria Korona, Barbara Orzechowska, Kacper Siąkała, Anna Maria Nowakowska, Anna Pieczara, Szymon Buda, Robert Pawlowski, Jacek Mlynarski, Malgorzata Baranska
Vibrational techniques using bioorthogonal Raman and infrared (IR) probes that emit unique spectral signals in the silent region (2800–1800 cm⁻¹) have gained considerable attention across various fields of biomedicine. Labeled Raman and infrared microscopies are proving to be highly beneficial in studying the dynamics of metabolic processes within single living cells. Disruption or deregulation of
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Harnessing a multifunctional far-red fluorescence platform for high-performance biological sensing and imaging Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-01-31 Zi Yi Xu, Jia Shan Xia, Rong Wang, Qi Xiao, Hong Qun Luo, Tao Deng, Nian Bing Li
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Target-activated CRISPR/Cas12a recognize multifunctional G-quadruplex and dual fluorescent indicators enable rapid non-extraction analysis of circulating tumor DNA in breast cancer Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-01 Xin Zhao, Weijing Liu, Runlian Qu, Xin Jiang, Jie Chen, Piaopiao Chen
A simple, efficient, and cost-effective method for identifying extremely low levels of circulating tumor DNA (ctDNA) is crucial for the diagnosis and monitoring of cancer. Herein, we designed a label-free and one-pot assay for accurate detection of ctDNA with the combination of the clustered regularly interspaced short palindromic repeats (CRISPR)/Cas12a system, G-quadruplex (G4), and dual-signal reporters
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Anionic heptamethine cyanine as reactive sulfur species-activated probe: Application of NIR-II fluorescence imaging for in vivo visualization of glutathione Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-01 Yu Liu, Deyang Kong, Junzheng Song, Zhao Wang, Yurong Guo, Lei Yu, Xing Gao, Yen Leng Pak, Jibin Song, Juyoung Yoon
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Line excitation SERS spectroscopy using laser-induced graphene coated with silver nanoparticles Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-03 Jiajun Li, Yunyun Mu, Guanwei Tao, Xinping Zhang
We report a line excitation scheme for surface enhanced Raman scattering (SERS) using a graphene substrate deposited with silver nanoparticles (AgNPs). Direct laser writing was employed for producing laser-induced graphene (LIG) layer on polyimide and electrochemical reaction was used to grow AgNPs onto the surface of LIG. In addition to the local-field enhancement on the plasmonic hotspots, the graphene-based
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Thianthrene-based heavy metal-free oxygen analytes exhibiting room temperature phosphorescence and high sensitivity for low oxygen concentration Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-02 Lukas Dvylys, Rasa Keruckiene, Matas Guzauskas, Shi-Wei Chu, Juozas V. Grazulevicius
In this work, we present two very sensitive new heavy metal-free thianthrene-based oxygen analytes. Experimental results in combination with theoretical calculations, confirm that both the compounds display room-temperature phosphorescence, with a significant difference in intensity observed in air and oxygen-free environments. The compounds show long emission lifetimes reaching up to 27.08 ms. This
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Preparation of multimeric peptide-MHC with SpyCatcher modules for antigen-specific T cell detection Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-03 Xiangyao Wang, Mengyu Zhang, Enli Zhang, Qiwei Wang, Yiqing Guo, Dingfan Xu, Congran Yue, Haozhe Cui, Zhiming Zhao, Sheng Ye, Si Liu
Peptide-major histocompatibility complex (pMHC) multimers, most commonly used in streptavidin-based tetrameric form, are exceptional for detecting, isolating, and analyzing antigen-specific T cells. However, classical pMHC tetramer staining methods may not detect fully functional T-cells with lower-affinity T-cell receptors (TCRs), which are common in antitumor and autoimmune responses. This limitation
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Disposable microfluidic chip embedded core/shell nylon6/protein corona immunofiber mats for analysis of circulating tumor cell attachment behavior in preclinical trials Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-01-30 I‑Ting Peng, Chih-Chia Cheng, Hui-Ling Hsu, Feng-Ping Lin, Chien-Hsing Lu, Jem-Kun Chen
When body fluids come into contact with a fibrous mat, proteins spontaneously adsorb onto the surface, forming a protein corona that masks the original antibody on the surface and significantly reduces the targeting performance. Nylon6 (N6) containing curcumin and a cross-linked protein corona hydrogel were used as the shell and core, respectively, to prepare protein corona-camouflaged immunofiber
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Sustainable electrochemical sensors from cork-derived laser induced graphene: Non-enzymatic glucose detection in urine Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-01-29 Michele Setti, Eoghan Vaughan, Richard Murray, Labrini Sygellou, Aidan J. Quinn, Mauro Riccò, Daniele Pontiroli, Daniela Iacopino
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A target-triggering strategy for self-powered biosensor based on chemical nanogenerator Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-03 Xinqi Luo, Hanxiao Chen, Ge Ling, Wenbo Yue, Bingbing Xie, Kexin Guo, Jing Xu
The self-powered sensing platform uses redox reactions to convert chemical nanogenerators into electrical energy, powering the system for target detection. In this work, a multi-dimensional hollow C@SnO2 nanocomposite is designed as the electrode substrate and combined with the catalytic hairpin assembly (CHA) amplification strategy. This platform enables highly sensitive detection of the breast cancer
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Harnessing Ag-Decorated Electrospun Ta-doped CeO2 Nanofibers for Superior Acetone Detection with Unparalleled Humidity Resistance Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-01 Xinge Wang, Wenjian Zhang, Haiqing Jiang, Xukun Wang, Zhen Miao, Wei Wei, Yuhao Zhang, Yuan Lin, Tianyu Wu, Guo Liu, Meixia Su, Yan Ding, Kun Tao, Jinyuan Zhou, Erqing Xie, Juan Li, Zhenxing Zhang
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Development of a compact and efficient FAIMS ionization source based on UV-LED photoelectric effect Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-01 Mengchao Jin, Shaomin Liu, Han Wang, Youjiang Liu, Jianhui Ji, Jie Sheng, Shenglai Zhen, Chilai Chen
A compact photoelectric effect ionization source for high-field asymmetric waveform ion mobility spectrometry (FAIMS) based on UV-LED was proposed in this paper. Ambient air and three electronegative compounds (SF6, NO2, and SO2) were selected as samples to verify the effectiveness of the proposed method, and the effects of the emission electrode material, light source, relative humidity, repeller
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PEI doped In2O3 nanospheres based gas sensor for high-performance formaldehyde detection Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-01 Xiaoxue Ma, Degen Chen, Weichao Li, Lifang He, Ling Jin, Jian Zhang, Kui Zhang
Doping metal oxides with proper polymers would be another effective strategy to address their gas sensing shortcomings, such as low sensitivity and unsatisfactory detection limits in certain applications. Herein, polyethyleneimine (PEI) with its high thermal stability and special functional groups was employed to dope In2O3 using a facile hydrothermal method followed by calcination. The resultant In2O3/PEI
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High-sensitivity flexible meta-surface for terahertz-based breast cancer differentiation: Study in cellular and fresh tissue Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-01-28 Mengyang Cong, Wei Song, Zhongquan Zhang, Jianfeng Qiu
Breast cancer is one of the most prevalent malignant tumors affecting women. Breast-conserving surgery (BCS) emerges as a secure and effective surgical approach. Terahertz (THz) technology proves advantageous in achieving real-time cancer edge detection during BCS, thanks to its label-free, non-ionizing, and real-time capabilities. In the THz frequency range, breast cancer tissue and normal tissue
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Electrochemical oxidation of triticonazole on boron-doped diamond-based electrodes for analysis of real matrices Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-01-27 Renáta Šelešovská, Oleksandr Matvieiev, Romana Sokolová, Marian Vojs, Karolina Schwarzová-Pecková
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Magnetic organoiridium nanocatalysts activate fluorescence biosensors Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-01-27 Li-Jun Zhao, Qing Zhou, Na Zhou, Shixin Zhang, Yue Yang, Chao Shi, Yanhong Li, Feng Luan, Chunyuan Tian, Peng Xiao, Xuming Zhuang
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RGO@In2O3 based flexible gas sensor: Efficient monitoring of trace NO2 gas at room temperature Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-01-28 Wenyuan Yang, Yangyang Huo, Tianqi Wang, Xintong Liu, Dan Li, Hui Yu, Xiangting Dong, Ying Yang
In the realm of modern reinforced concrete, the harmful gases released during industrial production pose a significant threat to human health, thus the demand for wearable gas sensors is increasing day by day. However, creating a portable flexible sensor for detecting nitrogen dioxide under room temperature conditions and ensuring outstanding gas sensing performance remains a challenge. To address
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Ppb-level photoacoustic sensor system for SF6 decomposition component HF using fuzzy c-means algorithm based on baseline correction Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-01-30 Mu Liang, Xuechao Du, Mengya Lu, Shen Tian, Yingying Qiao, Yang Gao, Pengbo Chen, Mingqi Jiao, Lei Li, Chongxin Shan
In this paper, we present for the first time a photoacoustic sensor that uses a fuzzy c-means algorithm based on baseline correction to detect HF gas in the presence of an SF6 background. This algorithm was proposed to address the issue of unstable amplitude of the second harmonic signal detected by photoacoustic sensors in the near-infrared region due to the weak absorption intensity of gases. The
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Development of a miniaturized current type H2 gas sensor based on Nafion and Pt-Pd/C sensing electrode Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-02-01 Hongcan Zhang, Lingchu Huang, Yuanlin Li, Yongshun Liu, Xishuang Liang, Geyu Lu
In this manuscript, a miniaturized current type gas sensor based on the membrane electrode assemble (MEA) composed of Nafion and Pt-Pd/C sensing electrode has been developed to realize the effective detection of H2 at room temperature. The newly designed sensor is significantly smaller than current common gas sensors, and the structure of the sensor and test fixture has been redesigned. The miniature
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Effective detection of kanamycin residues by target recycling-based enzyme-free signal dual amplification electrochemical aptasensor Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-01-30 Guochao Chen, Lingzhi Wang, Huan Liu, Lei Wang, Changyuan Yu, Hao Li
Abuse of kanamycin is still present in livestock and poultry farming, thereby causing serious damage to the human body through food chain. Therefore, it is necessary to effectively detect kanamycin in animal sourced food. Here, four different versions of electrochemical aptasensors were developed for efficient detection of kanamycin; especially, a target recycling-based enzyme-free signal dual amplification
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Design an efficient molecularly imprinted photoelectrochemical sensor for detection of butyl benzyl phthalate Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-01-28 Rong Nie, Dongyun Liao, Wenjun Yan, Wenting Liang, Jianhui Zhi, Yujing Guo, Chuan Dong, Lifang Fan
In this study, a visible light-driven and efficient molecularly imprinted photoelectrochemical (PEC) sensor was constructed for highly selective and ultrasensitive detection of butyl benzyl phthalate (BBP) based on carbon nitride quantum dots decorated TiO2 nanorods (CN QDs/TiO2 NRs) as photoactive material, and polydopamine (PDA) molecularly imprinted polymer (MIP) as recognition element. CN QDs/TiO2
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Quartz crystal tuning fork enhanced spectroscopy with self-calibration algorithms Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-01-27 Junya Du, Siyuan Xia, Keren Cheng, Minghui Zhang, Jingsong Li
In this paper, a gas sensing technique based on quartz crystal tuning fork (QCTF) enhanced spectroscopy was reported with self-calibration algorithms by combing two key factors of resonant frequency and quality factor. To demonstrate this proposed gas sensing technique, methane (CH4) was selected as the target gas, a gas sensor system based on near-infrared distributed feedback (DFB) diode laser near
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Real-time nitric oxide and inflammation sensing in 2D osteoarthritis models: microsensor design and application Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-01-31 Laura Belcastro, Paolo Antonacci, Gaia Rocchitta, Christoph M. Sprecher, Andrea J. Vernengo, Pier Andrea Serra, Fabiana Arduini, Sibylle Grad, Valentina Basoli
Nitric oxide (NO), a key metabolite released during inflammation, can be a reliable biomarker for conditions such as trauma, infection or during inflammation. Standard NO detection methods, including electron paramagnetic resonance (EPR) and indirect detection of nitrites as NO derivatives, using Griess assay, are limited in their ability to provide real-time monitoring, a critical feature for studying
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Region-specific control of lipid membrane fusion using an open-space fluidic online mixing system Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-01-26 Huan Luo, Nahoko Kasai, Kanta Tsumoto, Chenhan Peng, Hizuru Nakajima, Shungo Kato, Hulie Zeng, Katsumi Uchiyama, Sifeng Mao
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An automated scanning contactless conductivity detection device for microfluidic isoelectric focusing Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-01-27 Haozheng Dai, Youli Tian, Zhimin Tao, Ke-Er Chen, Weiwen Liu, Qiang Zhang, Chengxi Cao
Isoelectric focusing (IEF) is widely used for protein separation and enrichment, with various methods available for detecting focused protein bands. While conventional capacitively coupled contactless conductivity detection (C4D) reduced costs and enhanced portability by eliminating optical equipment, it still required an additional mobilization step due to its single-point detection method. To address
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Novel samarium-based metal-organic frameworks with antenna effect-induced electrochemiluminescence for acetamiprid assay Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-01-29 Xiaoge Peng, Ying He, Kejun Tan, Ruo Yuan, Shihong Chen
Lanthanide metal-organic frameworks (Ln-MOFs) have emerged as promising electrochemiluminescence (ECL) luminophores on account of their distinctive luminescence performances. However, currently reported Ln-MOFs-based ECL luminophores are mainly limited to terbium-based MOFs (Tb-MOFs) and europium-based MOFs (Eu-MOFs). This work innovatively developed samarium-based MOFs (Sm-MOFs) as ECL luminophores
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Detection and classification of glucose solution concentration and blood sugar levels at the fingertip using a novel planar microwave sensor and deep learning techniques Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-01-25 Supakorn Harnsoongnoen, Saksun Srisai, Pongsathorn Kongkeaw, Benjaporn Buranrat
This research introduces an omega-shaped resonator coupled split-ring resonator (OSR-SRR) microwave sensor designed for non-invasive glucose monitoring in solutions and fingertip samples. Enhanced with machine learning, the sensor detects glucose levels for non-diabetic and diabetic individuals. Fabricated via PCB processes, the sensor’s performance was characterized by reflection coefficient (S11)
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Long-lived ratiometric phosphorescence probe and portable device for cholesterol sensing in serum without background fluorescence Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-01-27 Yawen Gao, Qianqian Jiang, Wanqing Liang, Cheng Zhang, Kui Zhang, Zhongping Zhang
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Modulation of ZnFe2O4 material growth using NiO nanoparticles for highly sensitive response to n-butanol Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-01-27 Boyang Jiang, Jing Cao, Kaihua Zhang, Quan Chen, Panxiang Ma
In this paper, NiO was used to modulate the growth of ZnFe2O4 materials to achieve a highly sensitive response to n-butanol. The obtained material NZF-8 has a very high response value (129.9) for n-butanol at 100 ppm at 240 ℃, which is 22.8 times higher than the response of ordinary ZnFe2O4 (5.7) at the same temperature. It is shown that the amount of nanoscale NiO moderator has a great influence on
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Enhanced detection of abrin: Unraveling AP lyase activity and pioneering innovative assays for advanced biosecurity applications Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-01-30 Tingting Liu, Lina Dong, Jing Lv, Bin Ji, Susu Xia, Jiaxin Li, Jing Wang, Jinglin Wang, Jian Zhang, Lihua Tan, Han Jin, Shan Gao, Lin Kang, Wenwen Xin
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Ultrasensitive electrochemiluminescence biosensor for ochratoxin A detection based on the synergistic amplification of DNA network and silver nanoclusters Sens. Actuators B Chem. (IF 8.0) Pub Date : 2025-01-27 Longsheng Jin, Qinqiang Zhu, Wenqing Xia, Ziying Xiao, Meisheng Wu
A novel electrochemiluminescence biosensor for detecting ochratoxin A (OTA) was developed employing a three-dimensional DNA network as a template to synthesize silver nanoclusters (Ag NCs) catalysts. The recognition reaction took place on the surface of glassy carbon bead (GCB), which was coated with an adjustable layer of Au nanoparticles (NPs) to facilitate biomolecular interactions. OTA triggered