Analytical Chemistry News

A novel chemiluminescent immunochromatographic assay strip for rapid detection of mercury ion

RSC - Anal. Methods latest articles - Tue, 03/28/2017 - 11:37
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY00231A, PaperXiaomei Wang, F. Liu, Qian Shao, Zhengrong Yin, Limin Wang, Zhifeng Fu
Mercuric ion (Hg2+) has been long regarded as one of the most hazardous environmental pollutants with serious toxic effect on environmental safety and human health. In the present work, an...
The content of this RSS Feed (c) The Royal Society of Chemistry

Electrochemiluminescent detection of glyphosate using electrodes modified with self-assembled monolayer

RSC - Anal. Methods latest articles - Tue, 03/28/2017 - 09:35
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY00506G, PaperGabriela Marzari, Maria V. Cappellari, Gustavo Marcelo Morales, Fernando Fungo
The use of glyphosate (GlyP) in agriculture causes environmental and health concerns to the modern society. Even today, its quantification remains as an analytical challenge. Therefore, it is required the...
The content of this RSS Feed (c) The Royal Society of Chemistry

Iron-core/carbon-shell nanoparticles with intrinsic peroxidase activity: new platform for mimetic glucose detection

RSC - Anal. Methods latest articles - Tue, 03/28/2017 - 09:35
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY00598A, PaperNatalya Surgutskaya, Marina E Trusova, Galina B. Slepchenko, Artem S. Minin, Alexandra Gennadevna Pershina, Anatoly Yermakov, Mikhail Uimin, Pavel S Postnikov
Artificial enzymatic mimics based on nanoparticles have become a powerful tool for improvement of analytical performance in detection of important bioactive compounds. For the first time the intrinsic peroxidase-like activity...
The content of this RSS Feed (c) The Royal Society of Chemistry

Identification of Mango Maturity Level by the Analysis of Volatiles Based on Long Optical-Path FTIR Spectroscopy and Molecular Sieve

RSC - Anal. Methods latest articles - Tue, 03/28/2017 - 09:35
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY00149E, PaperLeizi Jiao, Daming Dong, Pengcheng Han, Xiande Zhao, Xiaofan Du
Quality and shelf life of mangoes are closely related to the maturity level. The volatiles of mango vary with the maturity level. On the basis of our previous results in...
The content of this RSS Feed (c) The Royal Society of Chemistry

Quantification of Amine Value in Aliphatic Amine Epoxy Hardeners by a Reaction-based Headspace Gas Chromatographic Technique

RSC - Anal. Methods latest articles - Tue, 03/28/2017 - 09:35
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY00516D, PaperWei-Qi Xie, Yi-Xian Gong, Kong-Xian Yu
This paper reports an automated method for quantifying amine value in aliphatic amine epoxy hardeners by a reaction-based headspace gas chromatography. After aliphatic amine epoxy hardeners reacted with hydrochloric acid...
The content of this RSS Feed (c) The Royal Society of Chemistry

A portable urine analyzer based on colorimetric detection

RSC - Anal. Methods latest articles - Tue, 03/28/2017 - 09:35
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY00780A, PaperJiancheng Ye, Nan Li, Ying Lu, Jing Cheng, Youchun Xu
Urine examination is a basic program in routine check up that can reveal multiple parameters about our health and thus has significant meaning. However, the instruments for urine analysis in...
The content of this RSS Feed (c) The Royal Society of Chemistry

Preparation of iron porphyrin-based polymer monolithic column via atom transfer radical polymerization for separation of proteins and small molecules

RSC - Anal. Methods latest articles - Tue, 03/28/2017 - 09:35
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY00472A, PaperZhen Wei, Doudou Zhang, Cheng Li, Ligai Bai, Haiyan Liu, Hongyuan Yan
A novel iron porphyrin-based polymer monolithic column (50 [times] 4.6 mm i.d.) was prepared via atom transfer radical polymerization for separation of proteins from complex bio-matrix, taking advantages of specific...
The content of this RSS Feed (c) The Royal Society of Chemistry

A sensitive and selective electrochemiluminescent sensor for Dopamine based on the inhibition of Dual-Stabilizers-Capped CdS Quantum Dots electrochemiluminescence

RSC - Anal. Methods latest articles - Tue, 03/28/2017 - 08:35
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY00295E, PaperXuemei Yang, Mingli Wang, Minli Yang, Rui Jiang
An electrochemiluminescence (ECL) sensor with dual-stabilizers-capped CdS quantum dots (QDs) as ECL emitter was constructed and used for determination of Dopamine(DA). The dual-stabilizers-capped CdS QDs were covalently immobilized onto p-aminobenzoic...
The content of this RSS Feed (c) The Royal Society of Chemistry

New Insights into Supercritical Fluid Chromatography for Chiral Separations

RSC - Anal. Methods latest articles - Tue, 03/28/2017 - 08:35
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY00452D, Technical NoteHermes Licea Perez, Christopher A Evans
Bioanalysis of stereoisomers represents a great challenge, as chromatographic separation is not feasible using conventional reversed or normal phase chromatography. Supercritical fluid chromatography in combination with chiral stationary phases has...
The content of this RSS Feed (c) The Royal Society of Chemistry

Simultaneous Determination of Glyoxal, Methylglyoxal and Diacetyl in Beverages Using Vortex-Assisted Liquid-Liquid Microextraction Coupled with HPLC- DAD

RSC - Anal. Methods latest articles - Tue, 03/28/2017 - 05:35
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY00180K, PaperTing-Ting Feng, Xian-Bing Xu, ming du, Mingqian Tan, Lei Qin, Bei-Wei Zhu
The detection of [small alpha]-dicarbonyl compounds including glyoxal (GO), methylglyoxal (MGO) and diacetyl (DA) level in beverages could effectively evaluate the degree of sugar degradation. In this study, a rapid and...
The content of this RSS Feed (c) The Royal Society of Chemistry

Amino-functionalized graphene oxide/neutral alumina nanocomposite based solid-phase extraction coupled with ion chromatography-mass spectrometry for the determination of trace haloacetic acids in drinking water

RSC - Anal. Methods latest articles - Fri, 03/24/2017 - 10:52
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY00583K, PaperZhixiong Zhong, Gongke Li, Yijuan Shao, Binghui Zhu, Zhe Liu, Jianchao Deng, Jingtian Mo
An efficient solid-phase extraction strategy was developed for the extraction and enrichment of ten haloacetic acids from drinking water. Amino-functionalized graphene oxide nanocomposite was synthesized and used as a sorbent....
The content of this RSS Feed (c) The Royal Society of Chemistry

Determination of Fragrance Ingredients in Fish by Ultrasound-Assisted Extraction Followed by Purge & Trap

RSC - Anal. Methods latest articles - Thu, 03/23/2017 - 05:41
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY00017K, Paper Open Access &nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Chang-Er Long Chen, Karin Lofstrand, Margaretha Adolfsson-Erici, Matthew MacLeod
Fragrance materials are widely used in household and personal care products in applications that can lead to emissions to the aquatic environment. Assessing the potential for fragrance materials to bioaccumulate...
The content of this RSS Feed (c) The Royal Society of Chemistry

Sensitive Validated Voltammetric Determination of Apixaban Using Multiwalled Carbon nanotubes Modified Carbon Paste Electrode: Application To Drug Product And Biological sample.

RSC - Anal. Methods latest articles - Thu, 03/23/2017 - 04:41
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY00244K, PaperMohamed Rizk, Maha Sultan, Elham Taha, Ali Kamal Attia, youmna mosaad Abduallah
Sensitive, accurate and precise voltammetric method was developed and validated for determination of a selective factor Xa inhibitor Apixaban in drug substance using multi-walled carbon nanotubes modified carbon paste electrode...
The content of this RSS Feed (c) The Royal Society of Chemistry

A diagnostic test for cocaine and benzoylecgonine in urine and oral fluid using portable mass spectrometry

RSC - Anal. Methods latest articles - Wed, 03/22/2017 - 11:35

Anal. Methods, 2017, 9,1839-1847
DOI: 10.1039/C6AY02006B, Paper Open Access &nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Mahado Ismail, Mark Baumert, Derek Stevenson, John Watts, Roger Webb, Catia Costa, Fiona Robinson, Melanie Bailey
Surface mass spectrometry methods can be difficult to use effectively with low cost, portable mass spectrometers.
The content of this RSS Feed (c) The Royal Society of Chemistry

Improved assessment of accuracy and performance indicators in paper-based ELISA

RSC - Anal. Methods latest articles - Wed, 03/22/2017 - 09:35
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY00505A, PaperThiago Mazzu-Nascimento, Giorgio Gianini Morbioli, Luis Aparecido Milan, Diego Furtado Silva, Fabiana Cristina Donofrio, Carlos Alberto Mestriner, Emanuel Carrilho
Paper-based devices are an excellent match for low-cost Point-of-Care Testing (POCT) tools. Their user-friendliness, portability, and short time of analysis, coupled with easiness for local manufacture make these devices the...
The content of this RSS Feed (c) The Royal Society of Chemistry

Bioluminescent detection of tick-borne encephalitis virus in native ticks

RSC - Anal. Methods latest articles - Wed, 03/22/2017 - 07:35
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY00535K, PaperAlexander N Kudryavtsev, Ludmila P Burakova, Ludmila Frank
The one-step bioluminescent immunoassay of tick-borne encephalitis virus (TBEV) in natural ticks based on hybrid protein 14D5а-Rm7 was developed. Recombinant Ca2+-dependent coelenterazine-binding protein was shown to be a more convenient...
The content of this RSS Feed (c) The Royal Society of Chemistry

Trans fatty acid determination by capillary zone electrophoresis: the art state and applications

RSC - Anal. Methods latest articles - Wed, 03/22/2017 - 07:35
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY00193B, Critical ReviewTatiane Lima Amorim Prado, Marcone Augusto Leal de Oliveira
A review taking into account the literature reports covering alternative methods for trans fatty acid (TFA) determination, expressed in elaidic acid (EA), using capillary zone electrophoresis is presented. The manuscript...
The content of this RSS Feed (c) The Royal Society of Chemistry

An advanced conjugation strategy for the preparation of quantum dot-antibody immunoprobes

RSC - Anal. Methods latest articles - Wed, 03/22/2017 - 05:34

Anal. Methods, 2017, Advance Article
DOI: 10.1039/C6AY03322A, PaperVeronika Dvorakova, Michaela Cadkova, Vladimira Datinska, Karel Kleparnik, Frantisek Foret, Zuzana Bilkova, Lucie Korecka
An advanced site-specific conjugation strategy for the preparation of quantum dot-based antibody probes applicable in various immunoassays from fluorescence to electrochemical biosensors is described.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry

Magnetic iron oxide nanoparticles for the collection and direct measurement of adsorbed alpha-emitting radionuclides from environmental waters by liquid scintillation analysis

RSC - Anal. Methods latest articles - Tue, 03/21/2017 - 05:26
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY00247E, PaperMatthew J O'Hara, R Shane Addleman
Radioactive contamination, be it from accidental or intentional release, can create an urgent need to assess water and food supplies, the environment, and monitor human health. In the event of...
The content of this RSS Feed (c) The Royal Society of Chemistry

Determination of 43 prohibited glucocorticoids in cosmetic products using a simultaneous LC-MS/MS method

RSC - Anal. Methods latest articles - Tue, 03/21/2017 - 05:26
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C6AY03065C, PaperNam Sook Kim, Geum Joo Yoo, Jihyune Lee, Hyung-Jun Park, Sooyeul Cho, Dong Woo Shin, Younglim Kim, Sun Young Baek
Recently, prohibited glucocorticoids (GCs) have been detected in commercial cosmetic products; they have been illegally added for enhancing certain pharmacological efficacy and for making illegal profits. Therefore, the health of...
The content of this RSS Feed (c) The Royal Society of Chemistry

Pages