Analytical Chemistry News

A Colorimetric Method for Cysteine Determination based on the Peroxidase-like Activity of Ficin

RSC - Anal. Methods latest articles - Thu, 05/10/2018 - 04:23
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00707A, PaperZili Huang, Yufang Yang, Yijuan Long, Hu-Zhi Zheng
The concentration of L-cysteine (L-Cys) provides important information for specific physiological function and disease diagnosis. In this work, we provided a facile colorimetric approach for L-Cys detection with high sensitivity...
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Click chemistry-based core-shell molecularly imprinted polymers for the determination of pyrimethamine in fish and plasma samples

RSC - Anal. Methods latest articles - Thu, 05/10/2018 - 04:23
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00876K, PaperShuyi Huang, Manli Guo, Lei Tan, jiean Tan, Jinyi Wu, Youwen Tang, Yong Liang
This paper demonstrates the development and validation of a high-performance liquid chromatography (HPLC) method (HPLC) for the determination of pyrimethamine in fish and plasma samples using core-shell molecularly imprinted polymers...
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Preparation of a two-photon fluorescent probe with a large turn-on signal for imaging hypochlorous acid in living tissues

RSC - Anal. Methods latest articles - Wed, 05/09/2018 - 23:12
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00607E, CommunicationKai Zhou, Mingguang Ren, Li Wang, Zihong Li, Weiying Lin
We have rationally constructed a new two-photon fluorescent hypochlorous acid probe (TP-HA). The probe TP-HA displayed a fluorescence enhancement (~16-fold) to HOCl with high sensitivity and selectivity. The new probe...
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A PET based fluorescent chemosensor with real time application in monitoring formaldehyde emission from plywood

RSC - Anal. Methods latest articles - Wed, 05/09/2018 - 09:36
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00514A, PaperAnkita Gangopadhyay, Kalipada Maiti, Syed Samim Ali, Ajoy Kumar Pramanik, Uday Narayan Guria, Sandip Kumar Samanta, Ripon Sarkar, Pallab Datta, Ajit Kumar Mahapatra
An easily synthesized (7-nitrobenz-2-oxa-1,3-diazole) NBD piperazine conjugate, NPC has been successfully employed for the fluorogenic sensing of the hazardous substance, formaldehyde (FA) based on the popular inhibition of photoinduced electron...
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Occurrence of neonicotinoids in waste water from Bucharest treatment plant

RSC - Anal. Methods latest articles - Wed, 05/09/2018 - 06:34
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00510A, PaperVASILE ION IANCU, Gabriel Lucian Radu
A sensitive and selective method SPE-LC-MS/MS for the detection of widely used neonicotinoids (nitenpyram, thiamethoxam, clothianidin, acetamiprid, dinotefuran, imidacloprid) in waste water was developed. Chromatographic method provided good separation of...
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A new hollow fiber liquid/solid phase microextraction with Al2O3 nanoparticles as adsorbent for extraction of ginsenosides in an oral liquid

RSC - Anal. Methods latest articles - Tue, 05/08/2018 - 08:14
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00566D, PaperYadan He, Yingqin Wei, Xinjie Sun, Guowei Zhou, Juan Zheng
A new microextraction enhancement technique for extraction of ginsenosides in Chinese compound formula containing Panacis quinquefolii Radix was realized by hollow fiber-liquid/solid phase microextraction with Al2O3 as adsorbent in this...
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Photodegradation kinetics of lisdexamfetamine dimesylate and structure elucidation of its degradation products by LC-ESI-QTOF

RSC - Anal. Methods latest articles - Tue, 05/08/2018 - 08:14

Anal. Methods, 2018, Advance Article
DOI: 10.1039/C8AY00413G, PaperGraciela Carlos, Jeferson Segalin, Louise Jank, Eloisa Comiran, Marcella Herbstrith de Oliveira, Pedro Eduardo Froehlich
Herein, we investigate the photodegradation of lisdexamfetamine (LDX) in an aqueous solution.
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1H NMR, 1H-1H 2D TOCSY and GC-MS analyses for the identification of olive oil on Early Bronze Age pottery from Castelluccio (Noto, Italy)

RSC - Anal. Methods latest articles - Mon, 05/07/2018 - 11:27
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00420J, PaperDavide Tanasi, Enrico Greco, Radwan Ebna Noor, Stephanie Feola, Vasantha Kumar, Anita Crispino, Ioannis Gelis
The development of analytical research in recent decades, at the edge between analytical chemistry and archaeology, provides new methods for the study of organic residues that are usually highly sensitive...
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PAHs in toasted bread: determining using Microwave-assisted extraction and dispersive liquid-liquid microextraction followed by High-performance liquid chromatography

RSC - Anal. Methods latest articles - Fri, 05/04/2018 - 16:49
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00475G, PaperMansour Mahmoudpour, Zahra Pilevar, Fardin Javanmardi, Faran Taram, Mir-Michael Mousavi
In the present study, a fast, simple and efficient method for determination of PAHs in toasted bread was developed using Microwave-Assisted Extraction (MAE) and Dispersive Liquid-Liquid MicroExtraction (DLLME) was performed...
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Limits of Detection for Aluminum-Based Alloys by Spatially Resolved Single- and Double-Pulse Laser-Induced Breakdown Spectroscopy

RSC - Anal. Methods latest articles - Fri, 05/04/2018 - 05:35
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00596F, PaperDuixiong Sun, Yunyun Ma, Yonqiang Wang, Maogeng Su, Quanfang Lu, Chenzhong Dong
A comparative study of laser-induced breakdown spectroscopy (LIBS) with the spatially resolved single- and double-pulse configurations is performed to investigate the capability of simultaneous multi-element detection in aluminum-based alloys. The...
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A visual detection of Bisphenol A based on peroxidase-like activity of hemin-graphene composites and aptamer

RSC - Anal. Methods latest articles - Thu, 05/03/2018 - 22:28
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00677F, PaperZhengwei Xiong, Haixia Zhong, Shuang Zheng, Pengxi Deng, Ning Li, WEN YUN, Lizhu Yang
A fast and visible colorimetric method for Bisphenol A (BPA) detection was developed by using the hemin-functionalized reduced graphene oxide (H-rGO) composites and aptamer. Aptamer can be stably adsorbed on...
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Lead isotope ratios in lead-glazed ceramics determined by laser ablation multi-collector inductively coupled plasma mass spectrometry for discriminating purpose

RSC - Anal. Methods latest articles - Thu, 05/03/2018 - 22:28
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00750K, PaperChunlei Zong, Zhian Bao, Wangli Ran, Xue Ling, Lu Chen, Kai-Yun Chen, Honglin Yuan
The potential of laser ablation multi-collector inductively coupled plasma mass spectrometry (LA-MC-ICP-MS) for the determination of Pb isotopes of lead-glazed ceramics has been investigated. In order to obtain good precision...
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Ultrasensitive nanowire-based detection of HCVcoreAg in the serum using a microwave generator

RSC - Anal. Methods latest articles - Thu, 05/03/2018 - 10:56
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00495A, PaperKristina Malsagova, Tatyana Pleshakova, Rafael Galiullin, Anna Kaysheva, Ivan Shumov, Mikhail Ilnitsky, Vladimir Popov, Alexander Gluhov, Alexander Archakov, Yuri Ivanov
The possibility of application of a nanowire field-effect transistor biosensor, coupled with a microwave generator, for the detection of a hepatitis C protein marker - core antigen of the hepatitis...
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On-chip Valves-assisted Microfluidic Chip for Quantitative and Multiplexed Detection of Biomarkers

RSC - Anal. Methods latest articles - Thu, 05/03/2018 - 10:56
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00682B, PaperBinfeng Hu, Yong Liu, Jinqi Deng, Lei Mou, Xingyu Jiang
This work develops a microfluidic chip integrated with on-chip valves for quantitative detection of biomarkers. The sandwich-structured microfluidic chip consists of a top fluidic layer embedded with zigzag channel, a...
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Dual Polarity MALDI Imaging Mass Spectrometry Reveals Spatial Lipid Localizations at High-Spatial Resolutions in Rat Small Intestine

RSC - Anal. Methods latest articles - Thu, 05/03/2018 - 09:55
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00645H, Communication Open Access &nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Ibrahim Kaya, Stefan Lange, Eva Jennische, Per Malmberg
The small intestine plays important roles in lipid metabolism integrated with homeostatic processes including glucose metabolism, energy utilization and growth and inflammation. Therefore, knowledge of the spatial distribution maps of...
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An Efficient Method for the Synthesis of Polymer Brush via Click Chemistry and its Ultrasensitive Electrochemical Detection of AFP

RSC - Anal. Methods latest articles - Thu, 05/03/2018 - 08:54
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00583D, PaperDongcheng Yang, Jing Wang, Hou Chen, Hui Xu, Wenxiang Wang, Huawei Yang, Donglei Wei, Liangjiu Bai
A sensitive sandwich-type electrochemical immunosensor based on polyacrylonitrile-g-poly(hydroxyethyl methacrylate) (PAN-g-PHEMA)/graphene oxide (GO) composites was prepared for the ultrasensitive detection of tumor markers (alpha fetal protein, AFP as a model). The...
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Quercetin-coated Fe3O4 nanoparticles sensors based on low-filed NMR for determination and removal of Pb2+ and Cu2+ in biological samples

RSC - Anal. Methods latest articles - Thu, 05/03/2018 - 05:51
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00598B, PaperWeina Jiang, Shilong Yang, Xu Sun, Wen Lu, Dong Jiang, Li Xu, Hai-Jun Xu, Buhong Gao, Mengtao Ma, Fuliang Cao
In this paper, we develop quercetin-coated Fe3O4 nanoparticles (QMNPS) as sensor for detection and removal of Pb2+ and Cu2+ based on low-filed NMR. QMNPS were characterized by TEM, FTIR and...
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Target Regulated Photo Induced Electron Transfer of DNA-Cu Nanoparticles and its application for the detection of Hepatitis B gene

RSC - Anal. Methods latest articles - Wed, 05/02/2018 - 23:23
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00722E, PaperQiang Xie, Dongmin Shi, Jing Wan, Guangfeng Wang, Xiaojun Zhang
Despite of the distinct features of poly thymine (T)-templated copper nanoparticles (polyT-Cu NPs) as fluorescent probes for various biosensors, most of the reported methods usually required labeling with an appropriate...
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Clinical analysis and quantitation of MB-102, a novel fluorescence tracer agent, in human plasma

RSC - Anal. Methods latest articles - Wed, 05/02/2018 - 10:10
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00576A, PaperJeng-Jong Shieh, Ivan R. Riley, Richard Dorshow
A rapid analytical method for the quantitation of MB-102 (a fluorescent tracer agent) in human plasma using HPLC with fluorescence detection has been developed and validated. This new plasma sample...
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Outstanding Reviewers for Analytical Methods in 2017

RSC - Anal. Methods latest articles - Wed, 05/02/2018 - 07:08

Anal. Methods, 2018, Advance Article
DOI: 10.1039/C8AY90052C, Editorial
We would like to take this opportunity to highlight the Outstanding Reviewers for Analytical Methods in 2017, as selected by the editorial team for their significant contribution to the journal.
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