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Promoting effect of TiVC MXene on cathodic electrogenerated chemiluminescence of Ru(bpy)32+ and its application in the sensitive detection of sulfite Microchim. Acta (IF 5.7) Pub Date : 2024-03-18 Haifeng Yao, Xinyi Wang, Yongping Dong, Mingfu Ye
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Novel immunosensor based on electrochemiluminescence inner filter effect and static quenching between fibrillary Ag-MOGs and SiO2@PANI@AuNPs for enabling the sensitive detection of neuron-specific enolase Microchim. Acta (IF 5.7) Pub Date : 2024-03-16
Abstract Metal-organic gels (MOGs) are unique supramolecular gels that are convenient to synthesize. In this work, a cathodic electrochemiluminescence (ECL) system based on Ag-MOGs as a luminophore and K2S2O8 as a co-reactor was developed. The ECL spectrum of the Ag-MOGs overlapped significantly with the strong UV-Vis spectrum of the SiO2@PANI@AuNPs, which effectively quenched the ECL luminescence
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Fabrication strategies for chiral self-assembly surface Microchim. Acta (IF 5.7) Pub Date : 2024-03-16 Xiaohui Niu, Mei Yuan, Rui Zhao, Luhua Wang, Yongqi Liu, Hongfang Zhao, Hongxia Li, Xing Yang, Kunjie Wang
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Chiral hydroxyl-controlled covalent organic framework-modified stationary phase for chromatographic enantioseparation Microchim. Acta (IF 5.7) Pub Date : 2024-03-16
Abstract Chiral covalent organic frameworks (CCOFs) possess a superior chiral recognition environment, abundant pore configuration, and favorable physicochemical stability. In the post-synthetic chiral modification of COFs, research usually focused on increasing the density of chiral sites as much as possible, and little attention has been paid to the influence of the density of chiral sites on the
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Preparation of 3D flexible SERS substrates by mixing gold nanorods in hydrogels for the detection of malachite green and crystal violet Microchim. Acta (IF 5.7) Pub Date : 2024-03-16
Abstract A simple and cost-effective fabrication method of gold nanorods (AuNRs) nanoparticles hybridized with polyvinyl alcohol hydrogel (AuNR/PVA) for SERS substrate is described. The AuNR/PVA achieves the control of inter-particle nanogap by modulating the density of gold nanorods, and inter-particle nanogap by the spatial deformation of the hydrogel, and the reduction of the gap between the AuNRs
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Single-holed cobalt − nitrogen − carbon hollow structure with oxidase-mimicking activity for the chemiluminescence determination of β − galactosidase activity Microchim. Acta (IF 5.7) Pub Date : 2024-03-15 Duo Lu, Mantang Ge, Fangying Qian, Jiagen Lv, Jianxiu Du
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Bi2WO6/TiO2-based visible light-driven photoelectrochemical enzyme biosensor for glucose measurement Microchim. Acta (IF 5.7) Pub Date : 2024-03-15 Xiaotian Wang, Dongliang Li, Weihua Wang, Sabira Kozykan, Zilong Liang, Qiujie Ma, Xiaoqin Yu
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Reusable graphite-based electrochemical sensors for L-dopa and dopamine detection Microchim. Acta (IF 5.7) Pub Date : 2024-03-14 Rodrigo Vieira Blasques, Jéssica Santos Stefano, Vinicius Aparecido Oliani Pedro da Silva, Laís Canniatti Brazaca, Bruno Campos Janegitz
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Dual-emission ciprofloxacin-gold nanoclusters enable ratiometric sensing of Cu2+, Al3+, and Hg2+ Microchim. Acta (IF 5.7) Pub Date : 2024-03-14
Abstract An innovative triple optical sensor is presented that utilizes gold nanoclusters (GNCs) stabilized with ciprofloxacin (CIP) and bovine serum albumin (BSA). The sensor is designed to identify three critical metal ions, namely Cu2+, Al3+, and Hg2+. Under 360 nm excitation, the synthesized CIP-BSA-GNCs demonstrate dual fluorescence emission with peaks at 448 nm (blue) and 612 nm (red). The red
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Dispersive hierarchically porous composites based on defective MOFs as mixed-mode stationary phases for chromatographic separation Microchim. Acta (IF 5.7) Pub Date : 2024-03-14 Tiantian Si, Shuai Wang, Yong Guo, Xiaojing Liang, Rong Rong
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Metal oxide-based gas sensor array for VOCs determination in complex mixtures using machine learning Microchim. Acta (IF 5.7) Pub Date : 2024-03-13 Shivam Singh, Sajana S, Poornima Varma, Gajje Sreelekha, Chandranath Adak, Rajendra P. Shukla, Vinayak B. Kamble
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Peroxidase-like activity and mechanism of gold nanoparticle-modified Ti3C2 MXenes for the construction of H2O2 and ampicillin colorimetric sensors Microchim. Acta (IF 5.7) Pub Date : 2024-03-13 Shuqi Zhang, Qiang Peng, Nian Jiang, Cairong Qiao, Shuaiwen Li, Wanqing Yue
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Bimetallic FeOx-TiO2@Carbon hybrid structure materials with notable peroxidase enzyme mimics applied to one-step colorimetric detection of glucose Microchim. Acta (IF 5.7) Pub Date : 2024-03-12 Guang Liu, Xiaomei Mu, Lu Liu, Shulin Zhao, Jianniao Tian
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Highly flexible copper tape decorated with Ag nanoarrays as ultrasensitive SERS platforms for multi-hazardous pollutant sensing Microchim. Acta (IF 5.7) Pub Date : 2024-03-12 Mohamed Shameer, Kabali Vijai Anand, Soumya Columbus, Hussain Alawadhi, Kais Daoudi, Mounir Gaidi, Kasivelu Govindaraju
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A smartphone-integrated aptasensor for pesticide detection using gold-decorated microparticles Microchim. Acta (IF 5.7) Pub Date : 2024-03-12 Ana M. Ulloa-Gomez, Jose F. Waimin, Ya-Ching Yu, Alec Lucas, Lia A. Stanciu
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Immobilization of controlled Pu:Am ratio on actinide-specific affinity monolith support developed in capillary and coupled to inductively coupled plasma mass spectrometry Microchim. Acta (IF 5.7) Pub Date : 2024-03-12 Sandra Barhoum, Marta Garcia-Cortes, Marine Boudias, Mohamed Guerrouache, Hélène Isnard, Erwan Dupuis, Benjamin Carbonnier, Anne Van der Meeren, Carole Bresson
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Fluorescence/electrochemical dual-mode strategy for Golgi protein 73 detection based on molybdenum disulfide/ferrocene/palladium nanoparticles and nitrogen-doped graphene quantum dots Microchim. Acta (IF 5.7) Pub Date : 2024-03-09 Guiyin Li, Ruijie Yan, Wei Chen, Runqiang Wu, Jintao Liang, Jiejing Chen, Zhide Zhou
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Electrospun of functionalized mesoporous UiO-66 as the selective coating of solid phase microextraction Arrow for the determination of nine alkylphenols Microchim. Acta (IF 5.7) Pub Date : 2024-03-08 Peixun Yang, Xiaoyan Zhu, Hangzhen Lan, Yichun Wu, Daodong Pan
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Identification of medium- and mechanism-related pitfalls towards improved performance and applicability of electrochemical mercury(II) aptasensors Microchim. Acta (IF 5.7) Pub Date : 2024-03-08 Anna Szymczyk, Martyna Popiołek, Jakub Krzemiński, Marcin Olszewski, Robert Ziółkowski, Elżbieta Malinowska
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Dual-mode sensing strategy based on carbon dots for sensitive and selective detection of molybdate ions Microchim. Acta (IF 5.7) Pub Date : 2024-03-07 Hui-Hui Zeng, Ren-Xiu Huang, Ming-Qiang Jiang, Fang Liu, Wei-Guo Shi, Lin Chen
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Selective adsorption and identification of penicillin G sodium in milk by molecularly imprinted polymer doped carbon dot Microchim. Acta (IF 5.7) Pub Date : 2024-03-07 Yi Xu, Haiping Wang, Qingyan Bai, Shujuan Ma, Chunmiao Bo, Junjie Ou
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Piezoelectric biosensors: shedding light on principles and applications Microchim. Acta (IF 5.7) Pub Date : 2024-03-07
Abstract The three decades of experience with piezoelectric devices applied in the field of bioanalytical chemistry are shared. After introduction to principles and suitable measuring approaches, active and passive methods based on oscillators and impedance analysis, respectively, the focus is directed towards biosensing approaches. Immunosensing examples are provided, followed by other affinity sensing
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Tailoring plasmonic sensing strategies for the rapid and sensitive detection of hypochlorite in swimming water samples Microchim. Acta (IF 5.7) Pub Date : 2024-03-07 Zubi Sadiq, Muna Al-Kassawneh, Seyed Hamid Safiabadi Tali, Sana Jahanshahi-Anbuhi
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Design of sonochemical assisted synthesis of Zr-MOF/g-C3N4-modified electrode for ultrasensitive detection of antipsychotic drug chlorpromazine from biological samples Microchim. Acta (IF 5.7) Pub Date : 2024-03-07 M. A. Ashkar, S. Kutti Rani, N. Vasimalai, Chih-Yu Kuo, Kareem Yusuf, Mani Govindasamy
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Smartphone-assisted hydrogel platform based on BSA-CeO2 nanoclusters for dual-mode determination of acetylcholinesterase and organophosphorus pesticides Microchim. Acta (IF 5.7) Pub Date : 2024-03-07 Yin Dai, Wei Xu, Xinyi Wen, Huizhu Fan, Qing Zhang, Jun Zhang, Hongsong Zhang, Wanying Zhu, Junli Hong
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A non-residue surface modification strategy for active-targeting fluorescent silica nanoparticles to cellular organelles Microchim. Acta (IF 5.7) Pub Date : 2024-03-06 Zeyu Zhang, Xiaoai Zhang, Qiaowen Zheng, Junying Zhang, Maosheng Zhang, Xu-dong Wang
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MOFs@POMs-derived bimetallic oxide Fe2(MoO4)3 nanoparticles for sensitive colorimetric detection of salicylic acid in aspirin Microchim. Acta (IF 5.7) Pub Date : 2024-03-05 Hong Han, Yuhan Ji, Xin Zhao, Ling Yin, Xiangyi Liu, Jingquan Sha
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Polydopamine functionalized dendritic fibrous silica nanoparticles as a generic platform for nucleic acid-based biosensing Microchim. Acta (IF 5.7) Pub Date : 2024-03-05 Xiaoting Xue, Helena Persson, Lei Ye
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A novel electrochemical immunosensor for sensitive detection of depression marker Apo-A4 based on bipyridine-functionalized covalent organic frameworks Microchim. Acta (IF 5.7) Pub Date : 2024-03-05 Yan Chen, Min Guo, Zixia Wang, Xiaohui Mo, Fangdi Hu, Yongling Du
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Point-of-care detection of Monkeypox virus clades using high-performance upconversion nanoparticle-based lateral flow assay Microchim. Acta (IF 5.7) Pub Date : 2024-03-05 Birui Jin, Chuan Ma, Chuyao Zhang, Huiling Yin, Guoxu Zhao, Jie Hu, Zedong Li
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CTAB-Co-MOFs@AuPt NPs as signal probes for the electrochemical detection of carcinoembryonic antigen 15–3 Microchim. Acta (IF 5.7) Pub Date : 2024-03-04 Tingting Zhang, Yan Ma, Ruifen Tian, Yuzhong Zhang
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Point-of-care dengue detection: polydopamine-modified electrode for rapid NS1 protein testing for clinical samples Microchim. Acta (IF 5.7) Pub Date : 2024-03-04
Abstract Early diagnosis of dengue infection by detecting the dengue virus non-structural protein 1 (DENV-NS1) is important to the patients to initiate speedy treatment. Enzyme-linked immunosorbent assay (ELISA)-based NS1 detection and RT-PCR are time-consuming and too complex to be employed in remote areas of dengue-endemic countries. Meanwhile, those of NS1 rapid test by lateral flow assay suffer
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A smartphone sensing platform for the sensitive and selective detection of clothianidin based on MIP-functionalized lanthanide MOF Microchim. Acta (IF 5.7) Pub Date : 2024-03-04 Hui Cao, Yiyi Han, Zixin Chen, Xiner Ding, Tai Ye, Min Yuan, Jinsong Yu, Xiuxiu Wu, Liling Hao, Fengqin Yin, Fei Xu
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Exonuclease III-propelled DNAzyme walker: an electrochemical strategy for microRNA diagnostics Microchim. Acta (IF 5.7) Pub Date : 2024-03-04 Dengke Li, Qiuyan Huang, Kun Wang
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Development of a flow injection chemiluminescence immunoassay based on DES-mediated CuCo2O4 nanoenzyme for ultrasensitive detection of zearalenone in foods Microchim. Acta (IF 5.7) Pub Date : 2024-03-04 Xinziwei Zeng, Jiao Li, Lingyun Xu, Anping Deng, Jianguo Li
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Digital light processing 3D printing of microfluidic devices targeting high-pressure liquid-phase separations Microchim. Acta (IF 5.7) Pub Date : 2024-03-02 Ali Amini, Thomas Themelis, Heidi Ottevaere, Jelle De Vos, Sebastiaan Eeltink
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In vitro drug screening models derived from different PC12 cell lines for exploring Parkinson’s disease based on electrochemical signals of catecholamine neurotransmitters Microchim. Acta (IF 5.7) Pub Date : 2024-03-01 Yu Zhong, Meng-Meng Liu, Ji-Cheng Li, Tai-Cheng Lu, Xia Cao, Yuan-Jie Yang, Yun Lei, Ai-Lin Liu
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A smartphone-based colorimetric assay using Cu-tannic acid nanosheets (Cu-TA NShs) as a laccase-mimicking nanozyme for visual detection of quercetin in vegetables Microchim. Acta (IF 5.7) Pub Date : 2024-02-29 Kowsar Davoodi-Rad, Ardeshir Shokrollahi, Faezeh Shahdost-Fard, Kamal Azadkish, Elham Madani-Nejad
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Photoelectrochemical sensor based on AuNPs@WO3@TpPa-1-COF for quantification of DNA methylation levels Microchim. Acta (IF 5.7) Pub Date : 2024-02-29
Abstract A “signal-off” photoelectrochemical (PEC) sensing platform has been designed for the ultrasensitive detection of DNA methylation levels and multiple methylated sites. The platform employs tungsten trioxide and TpPa-1-COF loaded by gold nanoparticle (AuNPs@WO3@TpPa-1-COF) composite material as the photoactive component and p-type reduced graphene (rGO) as an efficient quencher. The PEC signal
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Evaluation of highly adsorptive Guefoams (multifunctional guest-containing foams) as a potential sorbent for determination of volatile organic compounds (VOCs) by means of thermal desorption Microchim. Acta (IF 5.7) Pub Date : 2024-02-29 Raquel Sánchez, Ana Beltrán Sanahuja, Lucila Paola Maiorano Lauría, José Luis Todolí, José Miguel Molina Jordá
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Development of highly sensitive electrochemical immunosensor using PPy-MoS2-based nanocomposites modified with 90 MeV C6+ ion beams Microchim. Acta (IF 5.7) Pub Date : 2024-02-28
Abstract The evaluation of electrochemical sensing activity of hydrothermally derived PPy-MoS2-based nanocomposites subjected to 90 MeV C6+ ion beam with fluence ranging, 1.0 × 1010–1.0 × 1013 ions/cm2, is reported. Cross-linking, chain scissioning, and ion track formation could occur in the irradiated systems, as revealed from Fourier transform infrared (FTIR) spectroscopy and field emission scanning
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Microfluidic chip immunoassay based on rolling circle amplification and G-quadruplex/Thioflavin T for multiplex detection of CTX I Microchim. Acta (IF 5.7) Pub Date : 2024-02-28 Hao Jiang, Xuefei Lv, Shuyu Lu, Yue Yu, Anyi Li, Xiaoqiong Li, Yulin Deng
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Design and synthesis of nano-iron oxyhydroxide-based molecularly imprinted electrochemical sensors for trace-level carbendazim detection in actual samples Microchim. Acta (IF 5.7) Pub Date : 2024-02-28 Dong Yang, Xuhua Li, Xiangyu Li, Jifan Chen, Ting Zhang, Ting Lian, Haihua Wang
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Gold nanoparticle-based selective and efficient spectrophotometric assay for the insecticide methamidophos Microchim. Acta (IF 5.7) Pub Date : 2024-02-28 Abu Talha, Daim Asif Raja, Dilshad Hussain, Muhammad Imran Malik
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Zinc nitride quantum dots as an efficient probe for simultaneous fluorescence detection of Cu2+ and Mn2+ ions in water samples Microchim. Acta (IF 5.7) Pub Date : 2024-02-27 Pooja Dharni Dhar Singh, Z. V. P. Murthy, Suresh Kumar Kailasa
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Development of a SERS aptasensor for the determination of L-theanine using a noble metal nanoparticle-magnetic nanospheres composite Microchim. Acta (IF 5.7) Pub Date : 2024-02-27 Wei Zhang, De Zhang, Pu Wang, Xiaoming Li, Zhetao Wang, Qiang Chen, Jie Huang, Zhi Yu, Fei Guo, Pei Liang
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Enantiomeric analysis of chiral phenyl aromatic compounds by coated capillary electrochromatography based on a MOF-on-MOF stationary phase Microchim. Acta (IF 5.7) Pub Date : 2024-02-27
Abstract Chiral phenyl aromatic compounds (CPACs) are widely used in drug development, food/cosmetic production, and other organic synthesis processes, and their different enantiomers have distinct physiological activities and application differences. A double-layer metal–organic framework composite (MOF-on-MOF) was obtained by in situ synthesis of chiral metal–organic framework (CMOM-3S) on the surface
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Advancing 3D printed microfluidics with computational methods for sweat analysis Microchim. Acta (IF 5.7) Pub Date : 2024-02-27
Abstract The intricate tapestry of biomarkers, including proteins, lipids, carbohydrates, vesicles, and nucleic acids within sweat, exhibits a profound correlation with the ones in the bloodstream. The facile extraction of samples from sweat glands has recently positioned sweat sampling at the forefront of non-invasive health monitoring and diagnostics. While extant platforms for sweat analysis exist
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Oxygen vacancy–rich Fe2(MoO4)3 combined with MWCNTs for electrochemical sensors of fentanyl and its analogs Microchim. Acta (IF 5.7) Pub Date : 2024-02-27
Abstract Hundreds of thousands of people dying from the abuse of fentanyl and its analogs. Hence, the development of an efficient and highly accurate detection method is extremely relevant and challenging. Therefore, we proposed the introduction of oxygen defects into Fe2(MoO4)3 nanoparticles for improving the catalyst performance and combining it with multi-walled carbon nanotubes (MWCNTs) for electrochemical
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Mg2+- or Ca2+-regulated aptamer adsorption on polydopamine-coated magnetic nanoparticles for fluorescence detection of ochratoxin A Microchim. Acta (IF 5.7) Pub Date : 2024-02-26 Wei Yang, Lanxiu Ni, Mingzhen Zhu, Xiaobo Zhang, Liang Feng
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Copper-zinc nanoparticle-decorated nitrogen-doped carbon composite for electrochemical determination of triclosan Microchim. Acta (IF 5.7) Pub Date : 2024-02-26 Jie Zhou, Yaru Li, Yan Li, Jing Lan, Zongshan Zhao, Rongguang Shi
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Preparation of surface molecular imprinting fluorescent sensor based on magnetic porous silica for sensitive and selective determination of catechol Microchim. Acta (IF 5.7) Pub Date : 2024-02-26
Abstract A magnetic fluorescent molecularly imprinted sensor was successfully prepared and implemented to determine catechol (CT). Fe3O4 nanoparticles were synthesized by the solvothermal technique and mesoporous Fe3O4@SiO2@mSiO2 imprinted carriers were prepared by coating nonporous and mesoporous SiO2 shells on the surface of the Fe3O4 subsequently. The magnetic surface molecularly imprinted fluorescent
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2D MOF-enhanced SPR detector based on tunable supramolecular probes for direct and sensitive detection of DOX in serum Microchim. Acta (IF 5.7) Pub Date : 2024-02-23
Abstract Therapeutic drug monitoring of doxorubicin (DOX) is important to study pharmacokinetics in patients undergoing chemotherapy for reduction of side effects and improve patient survival by rationally controlling the dose of DOX. A fast and ultra-sensitive surface plasmon resonance (SPR) detector without sample pre-handling was developed for DOX monitoring. First, the two-dimensional metal–organic
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Biosensor for ATP detection via aptamer-modified PDA@POSS nanoparticles synthesized in a microfluidic reactor Microchim. Acta (IF 5.7) Pub Date : 2024-02-23
Abstract This study introduces aptamer-functionalized polyhedral oligomeric silsesquioxane (POSS) nanoparticles for adenosine triphosphate (ATP) detection where the POSS nanoparticles were synthesized in a one-step, continuous flow microfluidic reactor utilizing thermal polymerization. A microemulsion containing POSS monomers was generated in the microfluidic reactor which was designed to prevent clogging
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An enzyme-free sensor based on La-doped CoFe-layered double hydroxide decorated on reduced graphene oxide for sensitive electrochemical detection of urea Microchim. Acta (IF 5.7) Pub Date : 2024-02-22 Simin Khataee, Gholamrez Dehghan, Zohreh Shaghaghi, Alireza Khataee
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Molecularly imprinted electrochemiluminescence sensor based on a novel luminol derivative for detection of human serum albumin via click reaction Microchim. Acta (IF 5.7) Pub Date : 2024-02-22 Wei Li, Guangyan Liu, Fang He, Shili Hou
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Eco-friendly spark-generated CoxOy nanoparticle-modified graphite screen-printed sensing surfaces for the determination of H2O2 in energy drinks Microchim. Acta (IF 5.7) Pub Date : 2024-02-22 Maria Siampani, Alexandros Ch. Lazanas, Konstantinos Spyrou, Mamas I. Prodromidis
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Fluorimetric determination of tetracycline antibiotics in animal derived foods using boron and nitrogen co-doped ceria-based nanoparticles Microchim. Acta (IF 5.7) Pub Date : 2024-02-20 Qianji Li, Pengfei Fan, Zejia Hao, Shanhong Ni, Qian Wu, Lei Li
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Progress of ligand-modified agarose microspheres for protein isolation and purification Microchim. Acta (IF 5.7) Pub Date : 2024-02-20 Chongdi Qi, Lei Chen
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T790M mutation upconversion fluorescence biosensor via mild ATRP strategy and site-specific DNA cleavage of restriction endonuclease Microchim. Acta (IF 5.7) Pub Date : 2024-02-20 Yanju Liu, Liang Guo, Mengyuan Hou, Haiyang Gao, Yuanmeng Ke, Huaixia Yang, Fuchun Si