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Effect of mobile phase composition in analysis of aggregates of antibody drug conjugates (ADCs) using size exclusion chromatography

Thu, 12/14/2017 - 18:51
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY02696J, CommunicationRabin Neupane, Malin Kallsten, Fredrik Lehmann, Jonas Bergquist
In this study, the effect of mobile phase composition for size exclusion chromatography (SEC) on antibody drug conjugates (ADCs) aggregate analysis was investigated. The use of organic components as well...
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Dengue serotyping with a label-free DNA sensor

Thu, 12/14/2017 - 06:29

Anal. Methods, 2018, Advance Article
DOI: 10.1039/C7AY02131C, PaperS. K. Chan, Y. S. Choong, D. Perera, T. S. Lim
Detection of dengue target by generation of silver nanoclusters using cocktail probes and single probe assay.
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A new wipe-sampling instrument for measuring the collection efficiency of trace explosives residues

Thu, 12/14/2017 - 04:28

Anal. Methods, 2018, Advance Article
DOI: 10.1039/C7AY02694C, PaperElizabeth[space]L. Robinson, Edward Sisco, Matthew E. Staymates, Jeffrey A. Lawrence
Trace explosives detection, a crucial component of many security screening environments, commonly employs wipe-sampling.
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Optimizing the process of reference selection for correlation optimised warping (COW) and interval correlation shifting (icoshift) analysis: automating the chromatographic alignment procedure

Wed, 12/13/2017 - 09:05

Anal. Methods, 2018, Advance Article
DOI: 10.1039/C7AY02340E, PaperKeshav Kumar
The present work introduces an automated procedure for generating the reference chromatogram for subsequent correlation optimised warping (COW) and interval correlation shifting (icoshift) analysis.
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Synthesis of water-soluble fluorescent carbon dots from Setcreasea purpurea boom and its application for Br2 detection

Wed, 12/13/2017 - 09:05

Anal. Methods, 2018, Advance Article
DOI: 10.1039/C7AY02631E, PaperHaoying Zhai, Baozhan Zheng, Feng Yang, Meina Wang, Dan Xiao
Fluorescent carbon dots (CDs) were successfully synthesized via pyrolysis of Setcreasea purpurea boom, providing a simple and convenient method for the preparation of CDs without using toxic or expensive materials.
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Provenance classification of nephrite jades using multivariate LIBS: a comparative study

Wed, 12/13/2017 - 06:02

Anal. Methods, 2018, Advance Article
DOI: 10.1039/C7AY02643A, PaperJianlong Yu, Zongyu Hou, Sahar Sheta, Jian Dong, Wen Han, Taijin Lu, Zhe Wang
Provenance classification of nephrite jades is important since the unit price of jade changes drastically with its geological origin.
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Plasmonic nanograting enhanced fluorescence for protein microarray analysis of carcinoembryonic antigen (CEA)

Wed, 12/13/2017 - 06:02

Anal. Methods, 2018, Advance Article
DOI: 10.1039/C7AY02232H, PaperChang Liu, Fanling Meng, Baogang Wang, Lei Zhang, Xiaoqiang Cui
The plasmonic nanograting substrate is demonstrated as a superior promising candidate for developing high-throughput protein microarray platforms.
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Chemistry of extracting high-contrast invisible fingerprints from transparent and colored substrates using a novel phosphorescent label

Wed, 12/13/2017 - 05:01

Anal. Methods, 2018, Advance Article
DOI: 10.1039/C7AY02713C, PaperG. Swati, Swati Bishnoi, Paramjeet Singh, Naina Lohia, Vishnu V. Jaiswal, M. K. Dalai, D. Haranath
Conventional fluorescent powders for developing latent fingerprints show characteristics of complicated operation, auto-fluorescence interference and high toxicity. To overcome these issues, we report a facile methodology to extract high contrast fingerprints on non-porous and porous substrates using a phosphorescent label.
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Chiroplasmonic assemblies of gold nanoparticles as a novel method for sensitive detection of alpha-fetoprotein

Tue, 12/12/2017 - 19:56
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY02452E, PaperXiaohui Xiong, Xinping Shi, Liu Yuanjian, Lixia Lu, Jingjing You
Staphylococcal food poisoning is one of the most commonly erupted foodborne illness that results from the consumption of foods containing staphylococcal enterotoxins (SEs) produced by enterotoxinogenic strains of Staphylococcus aureus....
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Micro-sensors based on hypha-templated coaxial microfibers

Tue, 12/12/2017 - 10:42

Anal. Methods, 2018, Advance Article
DOI: 10.1039/C7AY02318A, PaperLi Zhihua, Shi Jiyong, Huang Xiaowei, Zou Xiaobo, Hu Xuetao, Zhou Xucheng, Haroon Elrasheid Tahir
Coaxial microfibers were fabricated with hypha of Penicillium as versatile template, and their applicability to prepare micro-sensors was demonstrated.
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An ultrasensitive electrochemiluminescent D-alanine biosensor based on the synergetic catalysis of a hemin-functionalized composite and gold-platinum nanowires

Tue, 12/12/2017 - 05:28

Anal. Methods, 2018, Advance Article
DOI: 10.1039/C7AY02483E, PaperXia Lin, Shu Zhu, Qiao Xia, Jiao Ma, Yingzi Fu
Herein, an ultrasensitive and stereo-selective electrochemiluminescent (ECL) biosensor based on ECL signal amplification of luminol by the synergetic catalysis of a hemin-functionalized composite and gold-platinum nanowires (Au-PtNWs) has been designed for the detection of D-alanine (D-Ala).
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Determination of methylmercury in sediment and cyanobacteria samples: method validation and application to methylation investigation

Tue, 12/12/2017 - 05:28

Anal. Methods, 2018, Advance Article
DOI: 10.1039/C7AY02415K, PaperLouise Aparecida Mendes, Maione Wittig Franco, Francisco Antonio Rodrigues Barbosa, Paula Iannarelli Aires de Carvalho, Jorge Carvalho de Lena, Claudia Carvalhinho Windmoller
The aim of this work was to validate methods for methylmercury (CH3Hg+) determination in sediments and cyanobacteria.
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Carrier-mediated solvent bar microextraction coupled with HPLC-DAD for the quantitative analysis of the hydrophilic antihypertensive peptide VLPVPR in human plasma

Tue, 12/12/2017 - 05:28

Anal. Methods, 2018, Advance Article
DOI: 10.1039/C7AY01927K, PaperJinlin Wang, Panwei Weng, Jing Zhou, Xu Zhang, Shufen Cui
Aliquat-336, an anion carrier, facilitates the extraction of hydrophilic VLPVPR peptide by Solvent-Bar-Micro-Extraction, achieving sensitive peptide analysis in biological samples.
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Enhanced peroxidase-like activity of Mo-doped ceria nanoparticles for sensitive colorimetric detection of glucose

Tue, 12/12/2017 - 05:28

Anal. Methods, 2018, Advance Article
DOI: 10.1039/C7AY02459B, PaperXue Jiao, Wanyi Liu, Di Wu, Wenhao Liu, Hongjie Song
Ultra-small nanoparticles of Mo-doped ceria (Mo/CeO2 NPs) possess enhanced peroxidase-like catalytic activity and these enzyme mimics are used here for the successful quantitative determination of blood glucose via a colorimetric method.
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Enhanced microchip electrophoresis separations combined with electrochemical detection utilizing a capillary embedded in polystyrene

Tue, 12/12/2017 - 05:28

Anal. Methods, 2018, Advance Article
DOI: 10.1039/C7AY02505J, PaperBenjamin T. Mehl, R. Scott Martin
A polystyrene-PDMS device utilizing an embedded fused silica capillary and electrochemical detection was used for improved efficiency separations of catecholamines.
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Paper spray mass spectrometry for high-throughput quantification of nicotine and cotinine

Tue, 12/12/2017 - 05:28

Anal. Methods, 2018, Advance Article
DOI: 10.1039/C7AY02204B, PaperJames E. Keating, John T. Minges, Scott H. Randell, Gary[space]L. Glish
The rapid release of new tobacco products requires high-throughput quantitative methods to support tobacco research.
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An external reference 1H qNMR method (PULCON) for characterization of high purity cocaine seizures

Tue, 12/12/2017 - 05:28

Anal. Methods, 2018, Advance Article
DOI: 10.1039/C7AY02343J, PaperL. E. C. Benedito, A. O. Maldaner, A. L. Oliveira
An external reference 1H qNMR method is developed and validated for the determination of three major alkaloids - cocaine, cis-cinnamoylcocaine and trans-cinnamoylcocaine - in high purity cocaine seizures.
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A detection and confirmation strategy for screening of veterinary drugs in honey by liquid chromatography coupled quadrupole time-of-flight mass spectrometry

Tue, 12/12/2017 - 05:28

Anal. Methods, 2018, Advance Article
DOI: 10.1039/C7AY02440A, PaperZhibin Wang, Yan Li, Qiaoying Chang, Jian Kang, Guo-Fang Pang
A strategy for the quantification and confirmation of 40 multi-class veterinary drugs in honey by QuEChERS combined with liquid chromatography coupled quadrupole time-of-flight mass spectrometry is described.
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An electrochemiluminescence sensor based on CdSe@CdS functionalized MoS2 and hemin/G-quadruplex-based DNAzyme biocatalytic precipitation for sensitive detection of Pb(II)

Tue, 12/12/2017 - 05:28

Anal. Methods, 2018, Advance Article
DOI: 10.1039/C7AY02334K, PaperXiao-Li Du, Tian-Fang Kang, Li-Ping Lu, Shui-Yuan Cheng
A novel electrochemiluminescence biosensor based on CdSe@CdS quantum dots functionalized MoS2 modified electrode was developed for sensitive detection of Pb(II) using HRP-mimicking DNAzyme biocatalytic reaction.
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A comparison of structural-functional equation models to identify fatty acids on three common gas chromatography columns

Tue, 12/12/2017 - 05:28

Anal. Methods, 2018, Advance Article
DOI: 10.1039/C7AY02456H, PaperA. T. L. Wotherspoon, K. L. Reeves, J. Crawford
Reported herein is a series of new structural-functional relationship equations which provide relevant structural information of unknown fatty acid methyl esters (double-bonds, chain-length, and omega-bond position) based upon temperature induced shifts in equivalent chain length's (ECLs).
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