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Enzyme-activated anchoring of peptide probes onto plasma membranes for selectively lighting up target cells

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Analyst, 2020, Advance Article
DOI: 10.1039/D0AN00487A, Paper
Julan Xia, Sujuan Sun, Xianhua Wu, Yan Huang, Chunyang Lei, Zhou Nie
Enzyme-activated membrane insertion peptide probes were developed for selectively lighting up target cells.
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A portable electrochemiluminescence bipolar electrode array for the visualized sensing of Cas9 activity

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Analyst, 2020, Advance Article
DOI: 10.1039/D0AN00678E, Paper
Rui Guo, Shanwen Hu, Zonghua Wang
A new type of closed BPE-ECL system based on an Au electric circuit at a portable substrate is designed for the visualized sensing of Cas9 Activity in the CRISPR/Cas9 system.
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Correction: Gold alloy-based nanozyme sensor arrays for biothiol detection

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Analyst, 2020, Advance Article
DOI: 10.1039/D0AN90044C, Correction
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Junshu Lin, Quan Wang, Xiaoyu Wang, Yunyao Zhu, Xi Zhou, Hui Wei
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Portable surface-enhanced Raman scattering analysis performed with microelectrode-templated silver nanodendrites

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Analyst, 2020, Accepted Manuscript
DOI: 10.1039/D0AN00484G, Paper
Joshua Raveendran, Aristides Docoslis
Using a handheld Raman spectrometer, we demonstrate how silver nanodendritic substrates formed on microelectrode platforms can be used for ultrasensitive detection of target analytes, such as cocaine and melamine. The...
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A polypyrrole-coated eightfold-helical Wells–Dawson POM-based Cu-FKZ framework for enhanced colorimetric sensing

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Analyst, 2020, Advance Article
DOI: 10.1039/D0AN00402B, Paper
Qian Li, Mingqi Xu, Xiao Li, Shuxian Li, Liran Hou, Yuhao Chen, Jingquan Sha
A new Wells–Dawson-type CuFKZP2W18-based hybrid compound containing eightfold helical chains is reported, and its CuFKZP2W18/PPy(15%) composite exhibits excellent peroxidase-like catalytic activity.
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A signal cascade amplification strategy based on RT-PCR triggering of G-quadruplex DNAzyme for a novel electrochemical detection of viable Cronobacter sakazakii

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Analyst, 2020, Accepted Manuscript
DOI: 10.1039/D0AN00270D, Paper
Yuanyuan Yuan, Xianyong Wu, Zhanmin Liu, QIqi Ning, Liqiang Fu, Sujuan Wu
Cronobacter sakazakii is an important opportunistic food-borne pathogen, and it can cause severe diseases with main symptoms including neonatal meningitis, necrotizing enterocolitis, and sepsis. For the achievement of practical and...
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iso-μmGene: Isothermal amplification-based portable microfluidic system for simple, reliable and flexibly multiplexed Genetic identification and quantification

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Analyst, 2020, Accepted Manuscript
DOI: 10.1039/D0AN00560F, Paper
Runtao Zhong, Shilin Liu, Guohao Zhang, Mengyu Wang, Yeqing Sun
Simple, reliable and flexibly multiplexed genetic identification and quantification of microbial pathogens is in urgent need for early disease diagnosis and timely treatment. This study presented an isothermal amplification-based portable...
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A traceless clean-up method coupled with gas chromatography and mass spectrometry for analyzing polycyclic aromatic hydrocarbons in complex plant leaf matrices

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Analyst, 2020, 145,3266-3273
DOI: 10.1039/D0AN00128G, Paper
Xiangzi Jin, Han Yeong Kaw, Huijie Li, Zhao Wang, Jinhua Zhao, Xiangfan Piao, Donghao Li, Dongri Jin, Miao He
This study developed a traceless clean-up method by combining solid phase extraction (SPE) with gas purge–microsyringe extraction (GP–MSE) to purify sample extracts for the determination of polycyclic aromatic hydrocarbons (PAHs) in plant leaves.
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Accelerated non-crosslinking assembly of DNA-functionalized nanoparticles in alcoholic solvents: for application in the identification of clear liquors

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Analyst, 2020, 145,3229-3235
DOI: 10.1039/D0AN00029A, Paper
Luyang Wang, Guoqing Wang, Yali Shi, Lan Zhang, Ran An, Tohru Takarada, Mizuo Maeda, Xingguo Liang
Accelerated aggregation of DNA-functionalized gold nanoparticles is discovered in alcoholic solvents upon adding full-match DNA and is potentially useful for the identification of Baijiu.
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Label-free analytical performances of a peptide-based QCM biosensor for trypsin

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Analyst, 2020, 145,3329-3338
DOI: 10.1039/D0AN00308E, Paper
Zong-Mu Dong, Lu Cheng, Ping Zhang, Guang-Chao Zhao
Peptide chains that can be specifically hydrolyzed by trypsin were synthesized and fabricated with Au NPs-MCA on a QCM electrode for the sensitive quantification of trypsin in a complex matrix.
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A disposable molecularly imprinted electrochemical sensor for the ultra-trace detection of the organophosphorus insecticide phosalone employing monodisperse Pt-doped UiO-66 for signal amplification

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Analyst, 2020, 145,3245-3256
DOI: 10.1039/D0AN00278J, Paper
Liping Xu, Jiebin Li, Jiajia Zhang, Junyong Sun, Tian Gan, Yanming Liu
A disposable electrochemical sensor was fabricated based on monodisperse Pt-doped UiO-66 and a mesoporous molecularly imprinted polymer to specifically detect phosalone.
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Electrochemiluminescence analysis of tryptophan in aqueous solutions based on its reaction with tetraphenylborate anions

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Analyst, 2020, 145,3364-3369
DOI: 10.1039/D0AN00229A, Paper
Yuriy Zholudov, Natalia Lysak, Dmytro Snizhko, Olena Reshetniak, Guobao Xu
A pulsed electrogenerated chemiluminescence is observed upon the oxidation of tryptophan amino acid in aqueous solutions with a tetraphenylborate co-reactant.
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An SDS-PAGE based method for the quantification of carbon black in biological samples

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Analyst, 2020, 145,3370-3375
DOI: 10.1039/D0AN00046A, Paper
Keyang Liu, Bin Wan
Quantification of Carbon Black (CB) in bio-samples was made available through SDS-PAGE gel electrophoresis.
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An ultrasensitive electrochemiluminescence aptasensor for the detection of diethylstilbestrol based on the enhancing mechanism of the metal–organic framework NH2-MIL-125(Ti) in a 3,4,9,10-perylenetetracarboxylic acid/K2S2O8 system

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Published On ::

Analyst, 2020, 145,3306-3312
DOI: 10.1039/D0AN00212G, Paper
Jingxian Li, Xueling Shan, Ding Jiang, Zhidong Chen
A novel electrochemiluminescence (ECL) aptasensor based on PTCA/NH2-MIL-125 for the determination of diethylstilbestrol.
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An electrochemical sensor based on enzyme-free recycling amplification for sensitive and specific detection of miRNAs from cancer cells

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Analyst, 2020, 145,3353-3358
DOI: 10.1039/D0AN00275E, Paper
Lili Jiang, Yuling Yang, Yuhong Lin, Ziyi Chen, Chao Xing, Chunhua Lu, Huanghao Yang, Shusheng Zhang
A catalyzed hairpin assembly and binding-induced formation of the DNA three-way junction for ultrasensitive electrochemical detection of diverse miRNAs is reported.
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Antibody free ELISA-like assay for the detection of transcription factors based on double-stranded DNA thermostability

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Analyst, 2020, 145,3339-3344
DOI: 10.1039/C9AN02631B, Paper
Yue Sun, Zhiyan Li, Choiwan Lau, Jianzhong Lu
Transcription factors (TFs) play critical roles in gene expression regulation and disease development. Herein we report a chemiluminescence assay for the detection of transcription factor based on double-stranded DNA thermostability.
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Trace manganese detection via differential pulse cathodic stripping voltammetry using disposable electrodes: additively manufactured nanographite electrochemical sensing platforms

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Analyst, 2020, 145,3424-3430
DOI: 10.1039/D0AN00018C, Paper
Open Access
Diego P. Rocha, Christopher W. Foster, Rodrigo A. A. Munoz, Gary A. Buller, Edmund M. Keefe, Craig E. Banks
Additive manufacturing is a promising technology for the rapid and economical fabrication of portable electroanalytical devices.
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Highly sensitive and selective optosensing of quercetin based on novel complexation with yttrium ions

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Analyst, 2020, 145,3376-3384
DOI: 10.1039/D0AN00117A, Paper
Nguyen Ngoc Nghia, Bui The Huy, Yong-Ill Lee
A simple and fast method was developed for the determination of quercetin using a Arduino-based portable device.
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An ionic-based carbon dot for enantioselective discrimination of nonaromatic amino alcohols

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Analyst, 2020, 145,3395-3400
DOI: 10.1039/D0AN00399A, Paper
Datong Wu, Fei Pan, Li Gao, Yongxin Tao, Yong Kong
An ionic chiral carbon dot was designed and synthesized for the chiral recognition of nonaromatic amino alcohols.
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Why ammonium detection is particularly challenging but insightful with ionophore-based potentiometric sensors – an overview of the progress in the last 20 years

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Analyst, 2020, 145,3188-3210
DOI: 10.1039/D0AN00327A, Critical Review
Open Access
María Cuartero, Noemi Colozza, Bibiana M. Fernández-Pérez, Gastón A. Crespo
An overview of ionophore-based electrodes for ammonium sensing critically analyzing contributions in the last 20 years and with focus in analytical applications.
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Time-resolved in situ monitoring of photocatalytic reactions by probe electrospray ionization mass spectrometry

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Analyst, 2020, 145,3313-3319
DOI: 10.1039/D0AN00305K, Paper
Zhongbao Han, Xiaoyu Gu, Shirong Wang, Liyan Liu, Ying Wang, Zhen Zhao, Zhan Yu
We report the application of PESI-MS to in situ monitoring of photocatalytic reactions of cationic dyes in suspensions in real-time.
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Paper-based platforms with coulometric readout for ascorbic acid determination in fruit juices

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Analyst, 2020, 145,3431-3439
DOI: 10.1039/D0AN00477D, Paper
Estefanía Nunez-Bajo, M. Teresa Fernández-Abedul
Paper-based electrochemical platforms with coulometric readout are employed for fast and low cost determination of ascorbic acid in commercial juice samples.
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Recent developments of nanoenzyme-based colorimetric sensors for heavy metal detection and the interaction mechanism

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Analyst, 2020, 145,3173-3187
DOI: 10.1039/D0AN00339E, Critical Review
Zhengquan Yan, Hua Yuan, Qi Zhao, Lin Xing, Xiaoyu Zheng, Weiguo Wang, Yulei Zhao, Yang Yu, Lei Hu, Wenli Yao
This work highlights the application and interaction mechanism of metal nanoparticles, metal oxides, metal sulfides, graphene-based nanomaterials and G-quadruplex, etc. in nanoenzyme-based colorimetric sensors.
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Novel ratiometric electrochemical sensor for no-wash detection of fluorene-9-bisphenol based on combining CoN nanoarrays with molecularly imprinted polymers

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Analyst, 2020, 145,3320-3328
DOI: 10.1039/D0AN00345J, Paper
Zhaoyi Liu, Yong Zhang, Bing Li, Xiang Ren, Hongmin Ma, Qin Wei
A ratiometric molecularly imprinted polymers electrochemical sensor was fabricated based on the direct electrochemical oxidation of BHPF on CoN nanoarray electrode.
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Rapid detection of 21 β-lactams using an immunochromatographic assay based on the mutant BlaR-CTD protein from Bacillus Licheniformis

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Analyst, 2020, 145,3257-3265
DOI: 10.1039/D0AN00421A, Paper
Yue Li, Xinxin Xu, Liqiang Liu, Hua Kuang, Liguang Xu, Chuanlai Xu
In this study, a gold immunochromatographic assay (GICA) based on a penicillin receptor protein (PBP) is proposed to simultaneously detect penicillin, cephalosporin, and carbapenem antibiotics in milk and chicken.
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Colorimetric identification of lanthanide ions based on two carboxylic acids as an artificial tongue

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Analyst, 2020, 145,3359-3363
DOI: 10.1039/D0AN00357C, Paper
Chi Zhang, Juan Huang, Wei Wei, Zhengbo Chen
We report a colorimetric array, which consists of two carboxylic acids (quinolinic acid (QA), tannic acid (TCA)) as the sensor element and Eriochrome Black T (EBT) as the colorimetric signal readout.
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Synthesis of a manganese dioxide nanorod-anchored graphene oxide composite for highly sensitive electrochemical sensing of dopamine

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Analyst, 2020, 145,3283-3288
DOI: 10.1039/D0AN00348D, Paper
Juan Li, Huifang Shen, Suhua Yu, Geshan Zhang, Chuanli Ren, Xiaoya Hu, Zhanjun Yang
A novel manganese dioxide nanorod-anchored graphene oxide (MnO2 NRs/GO) composite was synthesized by a simple hydrothermal method for the development of a highly sensitive electrochemical sensor for dopamine.
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Nano-crystalline cellulose-coated magnetic nanoparticles for affinity adsorption of glycoproteins

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Analyst, 2020, 145,3407-3413
DOI: 10.1039/D0AN00442A, Paper
Jiaying Zhang, Xiangyu Feng, Jing Wang, Guozhen Fang, Jifeng Liu, Shuo Wang
A new core–shell structured nanomaterial based on Fe3O4 nanoparticles and 2,3-dialdehyde nanocrystalline cellulose (DAC) coatings and its high efficiency in the preconcentration of glycoproteins were described in this work.
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Removing interference-based effects from infrared spectra – interference fringes re-revisited

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Analyst, 2020, 145,3385-3394
DOI: 10.1039/D0AN00062K, Paper
Thomas G. Mayerhöfer, Susanne Pahlow, Uwe Hübner, Jürgen Popp
Substantial refractive index mismatches between substrate and layers lead to undulating baselines and changes of band intensity, shape and position. For proper spectrum interpretation, all of these effects must be removed.
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Detection and classification of fentanyl and its precursors by surface-enhanced Raman spectroscopy

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Analyst, 2020, 145,3440-3446
DOI: 10.1039/C9AN02568E, Paper
Rustin Mirsafavi, Martin Moskovits, Carl Meinhart
An analytical technique combining partial least squares-discriminant analysis, surface-enhanced Raman spectroscopy (SERS), and microfluidics for the detection and classification of fentanyl and its chemical precursors.
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Direct embedding and versatile placement of electrodes in 3D printed microfluidic-devices

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Analyst, 2020, 145,3274-3282
DOI: 10.1039/D0AN00240B, Paper
Andre D. Castiaux, Emily R. Currens, R. Scott Martin
In this paper, we describe how PolyJet 3D printing technology can be used to fully integrate electrode materials into microfluidic devices during the print process.
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Selective ratiometric red-emission detection of In3+ in aqueous solutions and in live cells using a fluorescent peptidyl probe and metal chelating agent

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Analyst, 2020, Advance Article
DOI: 10.1039/D0AN00288G, Paper
Joohee Park, Hyeongseok Yu, See-Hyoung Park, Keun-Hyeung Lee
A ratiometric fluorescent detection method for In3+ in aqueous buffered solution, ground water, and live cells was developed.
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Recent advances in nanomaterial-enhanced enzyme-linked immunosorbent assays

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Analyst, 2020, Accepted Manuscript
DOI: 10.1039/D0AN00597E, Critical Review
Lu Gao, Qianfan Yang, Peng Wu, Feng Li
Despite serving as a gold standard for protein analysis, the classic enzyme-linked immunosorbent assay (ELISA) is currently challenged by the ever-increasing needs of sensitivity and simplicity. Towards the ongoing needs,...
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Quantitative toxicological study of dose-dependent arsenic-induced cells via synchrotron-based STXM and FTIR measurement

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Analyst, 2020, Accepted Manuscript
DOI: 10.1039/D0AN00346H, Paper
Huiqiang Liu, Junshan Xiu, Yunyan Liu, Bengyi Wang, Yanling Xue, Min Chen, Te Ji
Inorganic arsenic (iAs) is a well-known naturally occurring metalloid with abundant hazards in our environment, especially being a human carcinogen through arsenic contaminated drinking water. The iAs-related contamination is usually...
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A highly efficient preconcentration route for rapid and sensitive detection of endotoxin based on an electrochemical biosensor

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Analyst, 2020, Accepted Manuscript
DOI: 10.1039/D0AN00315H, Paper
Wenrui Ma, Lulu Liu, Yi Xu, Li Wang, Li Chen, Sheng Yan, Lingling Shui, Zhijun Wang, Shunbo Li
An impedimetric aptasensor for detection of endotoxin in a microfluidic chip was proposed, in which the Apt/AuNPs/SPCE sensing surface was fabricated in screen-printed electrode with good biological activity and stability....
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FRET based fluorescent ratiometric probes for rapid detection of endogenous hydrogen sulphide in living cells

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Analyst, 2020, Accepted Manuscript
DOI: 10.1039/D0AN00531B, Paper
Yuming Zhang, Yuncong Chen, Bai Yang, Xueling Xue, Weijiang He, Zijian Guo
Real time monitor of hydrogen sulphide (H2S) level change is of crucial importance for the study of its complicated roles in physiology. Herein, we developed a FRET strategy for designing...
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Laser-induced graphene hybrid photoelectrode for enhanced photoelectrochemical detection of glucose

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Analyst, 2020, Advance Article
DOI: 10.1039/D0AN00252F, Paper
Hui Li, Chengxiang Guo, Changchun Liu, Lei Ge, Feng Li
The in situ and synchronous fabrication of Ni0/NiO–CdS–graphene hybrid photoelectrodes is developed using a facile and scalable direct-laser-writing method for photoelectrochemical detection of glucose.
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In situ amplified photothermal immunoassay for neuron-specific enolase with enhanced sensitivity using Prussian blue nanoparticle-loaded liposomes

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Analyst, 2020, Advance Article
DOI: 10.1039/D0AN00417K, Paper
Li-Juan Zhi, Ai-Li Sun, Dianping Tang
Methods based on prussian blue nanoparticles (PBNPs) have been reported for photothermal immunoassays in analytical nanoscience fields but most suffer from low sensitivity and are not beneficial for routine use.
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An electrochemical biosensor based on methylene blue-loaded nanocomposites as signal-amplifying tags to detect pathogenic bacteria

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Analyst, 2020, Advance Article
DOI: 10.1039/D0AN00470G, Paper
Shengjun Bu, Kuiyu Wang, Zhongyi Li, Chengyu Wang, Zhuo Hao, Wensen Liu, Jiayu Wan
Synthesis of new methylene blue–magainin I organic–inorganic nanocomposites as electrochemical signal labels for the detection of bacteria.
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Liquid-crystal-based immunosensor for detection of cardiac troponin I

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Analyst, 2020, Accepted Manuscript
DOI: 10.1039/D0AN00425A, Paper
Chunli Xia, dong Zhou, yueming Su, guangkai Zhou, Lishuang Yao, Weimin sun, yongjun Liu
Cardiac troponin I (cTnI) is one of the most sensitive and specific markers of myocardial cell injury, which can detect even minor myocardia damage. It is recognized as the main...
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Naked-Eye Sensing of Phytic Acid at Sub-Nanomolar Level in 100% Water Medium by Charge Transfer Complex Derived from off-the-shelf Ingredients

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Published On ::

Analyst, 2020, Accepted Manuscript
DOI: 10.1039/D0AN00671H, Paper
Nilanjan Dey
Naked-eye sensing of phytic acid, one of the most abundant antinutrients, was achieved in 100% water medium using charge transfer complex, comprised of pyranine and methyl viologen. Since both the...
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A homogeneous photoelectrochemical hydrogen sulfide sensor based on the electronic transfer mediated by tetrasulfophthalocyanine

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Published On ::

Analyst, 2020, Advance Article
DOI: 10.1039/D0AN00302F, Paper
Xinyang Wang, Huanan Zhao, Zhonghui Chen, Fang Luo, Longhua Guo, Bin Qiu, Zhenyu Lin, Jian Wang
A homogeneous photoelectrochemical sensor for H2S detection based on the electronic transfer mediated by [Fe(III)PcS4]+ was developed with an un-modified photoelectrode.
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Portable and field-deployed surface plasmon resonance and plasmonic sensors

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Analyst, 2020, Advance Article
DOI: 10.1039/D0AN00316F, Critical Review
Jean-Francois Masson
Plasmonic sensors are portable devices that can be employed in situ for the detection of analytes in environmental sciences, clinical diagnostics, infectious diseases, food, and industrial applications.
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Tetrahedral DNA Nanostructure-decorated Electrochemical Platform for Simple and Ultrasensitive EGFR Genotyping of Plasma ctDNA

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Published On ::

Analyst, 2020, Accepted Manuscript
DOI: 10.1039/D0AN00591F, Paper
Xuyao Wang, Jianping Wu, Weilin Mao, Xia He, Liming Ruan, Junlan Zhu, Peng Shu, Zhenqi Zhang, Bitao Jiang, Xingguo Zhang
Genotyping of the epidermal growth factor receptor (EGFR) mutation status is of great importance in the screening of appropriate advanced non-small cell lung carcinoma (NSCLC) patients to receive superior tyrosine...
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A novel turn-on fluorescent sensor for sensitive detection of glutathione via gold nanoclusters preparation based on controllable ligand-induced etching

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Published On ::

Analyst, 2020, Accepted Manuscript
DOI: 10.1039/D0AN00807A, Paper
Yun Chen, Xiawei Dong, Youkun Zheng, Yi-Han Wang, Zengchao Guo, Hui Jiang, Xuemei Wang
In this study, we report a facile one-pot chemical etching approach to simply and rapidly prepare gold nanoclusters capped with luminol (Lum-AuNCs) in alkaline aqueous solution at room temperature. A...
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Magnetic molecularly imprinted conducting polymer for determination of praziquantel enantiomers in milk

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Analyst, 2020, Accepted Manuscript
DOI: 10.1039/D0AN00703J, Paper
Tienne Nascimento, Camilla Fonseca Silva, Hanna L Oliveira, Ricky Cássio Santos da Silva, Clébio Soares Nascimento, Keyller Bastos Borges
A new selective adsorbent based on magnetic molecularly imprinted conducting polymer was firstly synthetized and applied to the magnetic solid phase extraction (MSPE) for the determination of PZQ enantiomers in...
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A paper-supported sandwich immunosensor based on upconversion luminescence resonance energy transfer for the visual and quantitative determination of a cancer biomarker in human serum

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Published On ::

Analyst, 2020, Accepted Manuscript
DOI: 10.1039/C9AN02307K, Paper
Mengyuan He, Ning Shang, Lin Shen, Zhi-hong Liu
In this paper, a paper-supported analytical device based on a sandwich immunoreaction and luminescence resonance energy transfer (LRET) was reported for the visual and quantitative determination of a cancer biomarker,...
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An Integrated Microfluidic Platform for Selective and Real-Time Detection of Thrombin Biomarkers using a Graphene FET

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Analyst, 2020, Accepted Manuscript
DOI: 10.1039/D0AN00251H, Paper
Niazul Islam Khan, Mohammad Mousazadehkasin, Sujoy Ghosh, John G. Tsavalas, Edward Song
Lab-on-a-chip technology offers an ideal platform for low-cost, reliable, and easy-to-use diagnostics of key biomarkers needed for early screening of diseases and other health concerns. In this work, a graphene...
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Rapid on-site and naked-eye detection of common nitro pesticides with ionic liquids

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Analyst, 2020, Advance Article
DOI: 10.1039/D0AN00452A, Paper
Kovida, Vikas Sharma, Apurba Lal Koner
Rapid ‘in-field’ detection of environmentally hazardous organophosphorus and nitro-containing pesticides is highly essential due to the lethal effects caused by the inhibition of the activity of acetylcholinesterase (AChE).
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Core–shell magnetic microporous covalent organic framework with functionalized Ti(IV) for selective enrichment of phosphopeptides

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Analyst, 2020, Advance Article
DOI: 10.1039/D0AN00038H, Paper
Fengjuan Ding, Yameng Zhao, Haiyan Liu, Weibing Zhang
We fabricated a core-shell magnetic Ti4+-functionalized covalent organic framework composite to selectively capture phosphopeptides in biosamples. This method is applicable to achieve rapid, selective and efficient phosphopeptide analysis.
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