Analytical Chemistry News

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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A Method Combining a kit with Bionic e-Eye for Rapid Detection of Diarrhetic Shellfish Poisoning on site

RSC - Anal. Methods latest articles - Wed, 05/02/2018 - 07:08
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00676H, PaperXianxin Qiu, Longjie Zhong, Ying Gan, Kaiqi Su, Shihui Hu, Ping Wang
Okadaic acid was a kind of fat-soluble Diarrhetic Shellfish Poisoning existed extensively in shellfish. The rapid detection of contaminated shellfish by toxin on site was a serious problem so far....
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Determination of Cu2+ and biothiols by the novel red fluorescent hybrid nanoparticles

RSC - Anal. Methods latest articles - Wed, 05/02/2018 - 01:00
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00614H, PaperLing Zhang, Zizhun Wang, Jiaze Hou, Lulu Lei, Jiao Li, Juan Bai, Hui Huang, Yongxin Li
The red fluorescent hybrid nanoparticles (NPG@PFBD) have been designed and synthesized successfully. The NPG@PFBD nanoparticles are composed of fluorescent semiconducting polymer (PFBD) and n-propyl gallate (NPG). Because of the coordination...
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Determination of polycyclic aromatic hydrocarbons with molecular mass 302 in Standard Reference Material 1597a by reversed-phase liquid chromatography and stop-flow fluorescence detection

RSC - Anal. Methods latest articles - Tue, 05/01/2018 - 13:54
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00760H, PaperHugh Hayes, Walter Brent Wilson, Lane Sander, Stephen A. Wise, Andres Campiglia
The identification of isomeric polycyclic aromatic hydrocarbons (PAHs) in complex samples via reversed-phase liquid chromatography (RPLC) with fluorescence detection (FL) is normally based on matching the chromatographic retention times of...
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Determination of alkyl ammonium ionic liquid cations by hydrophilic interaction liquid chromatography and its application in analysis of environmental water

RSC - Anal. Methods latest articles - Tue, 05/01/2018 - 07:46
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00720A, PaperZi-qiang Fan, Hong Yu, Yaqi Cai
In this study, an analytical method of hydrophilic interaction liquid chromatography combined with indirect ultraviolet detection for the determination of alkyl ammonium ionic liquid cations was developed and it was...
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ICT based chemodosimeter for selective dual channel sensing of cyanide in aqueous solution

RSC - Anal. Methods latest articles - Tue, 05/01/2018 - 01:43
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00818C, PaperP Raja Lakshmi, R Manivannan, P Jayasudha, Kuppanagounder Elango
Using intramolecular charge transfer (ICT) transition as a signaling mechanism, a quinoline-benzothiazolium hybrid was designed, synthesized and developed as a dual channel (colorimetric/turn-on fluorimetric) sensor for cyanide in aq. HEPES...
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Engineered Nanocomposite for Sensitive and Selective Detection of Mercury in Environmental Water Samples

RSC - Anal. Methods latest articles - Mon, 04/30/2018 - 11:26
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00618K, PaperIbrahim Abdullah, Nashaat Ahmed, mona ali, Fawzy Ragab, Marwa Abdel-Wareth, Nageh Allam
We report on a novel carbon-based nanocomposite made of reduced graphene oxide/titania nanotubes (RGO/TNT) with excellent conductivity and absorptivity for the sensitive electrochemical determination of Hg(II) as water pollutant. Field...
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Fast determination of cocaine and some common adulterants in seized cocaine samples by capillary electrophoresis with capacitively coupled contactless conductivity detection

RSC - Anal. Methods latest articles - Mon, 04/30/2018 - 09:25
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00795K, PaperEduardo Mathias Richter, Mariana Cardoso Marra, Brenda Maria de Castro Costa, Rodrigo Alejandro Abarza Munoz, Mario Henrique Santana, Adriano Otavio Maldaner, Elvio Dias Botelho, Wendell Karlos Tomazelli Coltro
The determination of cocaine and common adulterants in seized cocaine samples can be used to identify their possible production area and traffic routes. In this paper, capillary electrophoresis with capacitively...
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Basalt fibers coated with nano-calcium carbonate for in-tube solid-phase microextraction and online analysis of estrogens coupled with high-performance liquid chromatography

RSC - Anal. Methods latest articles - Mon, 04/30/2018 - 08:25

Anal. Methods, 2018, Advance Article
DOI: 10.1039/C7AY02979A, PaperXiuqin Wang, Juanjuan Feng, Jiaqing Feng, Yu Tian, Chuannan Luo, Min Sun
Estrogens have caused many serious problems due to their serious effects on the environment and organisms.
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A novel EI-GC/MS method for the accurate quantification of anti-aging compound oleoylethanolamine in C. elegans

RSC - Anal. Methods latest articles - Mon, 04/30/2018 - 05:22

Anal. Methods, 2018, Advance Article
DOI: 10.1039/C8AY00396C, Paper Open Access &nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Andrea Annibal, Ozlem Karalay, Christian Latza, Adam Antebi
A novel GC-MS method for the quantification of oleoylethanolamine in C. elegans.
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Development and validation of an analytical robust method to quantify both Etoposide and Prodigiosin in polymeric nanoparticles by reverse-phase high-performance liquid chromatography

RSC - Anal. Methods latest articles - Thu, 04/26/2018 - 23:17
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00030A, PaperMona Mohammad Agwa, Fatma Elzahraa Mohamed Elessawy, Ahmed Abd Elrehim Hussein, Maha Adel Eldemellawy, Ahmed Osman Elzoghby, Mo H. Abd El-Salam, Ahmed Ibrahim Eldiwany
The objective of this work was to develop and validate a rapid Reversed-Phase High-Performance Liquid Chromatography method for the quantification of etoposide (ETP) and prodigiosin (PRO) content in nanoparticles delivery...
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Application of HPLC-DAD and Spectrophotometric Continuous Wavelet Transform Methods for Simultaneous Determination of Amoxicillin and Diclofenac in Their Pure and Capsule Dosage Forms.

RSC - Anal. Methods latest articles - Thu, 04/26/2018 - 23:17
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00621K, Paperebrahim aboelmagd, Fathy Salama, Khalid Abdelsalam Attia, Ahmed Abdelhalim Mohamed, Ahmed El-olemy
Two methods have been developed and validated for simultaneous determination of amoxicillin sodium and diclofenac sodium in their pure and combined pharmaceutical dosage forms. The first method was HPLC-DAD, the...
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Direct and Ultrasensitive Fluorescent Detection of PETN Vapor Based on a Fuorene-dimer Probe Via a Synergic Backbone and Side-chain Tuning

RSC - Anal. Methods latest articles - Thu, 04/26/2018 - 00:49
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00726H, PaperAo Liu, Huan Liu, xin peng, Jinlan JIA, Yanyan Fu, Qingguo He, Huimin Cao, Jiangong Cheng
Pentaerythritol tetranitrate (PETN), a major component in plastic explosives, poses a major threat to public safety and has extremely low saturated vapor pressure (7.17 ppt) and is hardly to be...
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Highly selective preconcentration of ultra-trace amounts of lead ions in real water and food samples by dispersive solid phase extraction using modified magnetic graphene oxide as a novel sorbent

RSC - Anal. Methods latest articles - Wed, 04/25/2018 - 06:51

Anal. Methods, 2018, Advance Article
DOI: 10.1039/C8AY00176F, PaperS. Akbarzade, M. Chamsaz, G. H. Rounaghi
A simple dispersive solid-phase extraction method coupled with atomic absorption spectrometry detection was developed for selective separation of ultra-trace of lead ion using graphene oxide modified such as the pseudo imprinted polymer sorbent in real samples.
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Characterisation of illicit ecstasy and diazepam tablets by colorant identification

RSC - Anal. Methods latest articles - Tue, 04/24/2018 - 06:25

Anal. Methods, 2018, Advance Article
DOI: 10.1039/C7AY02921G, PaperL. Sharrenbroch, A. Tough, K. H. Matthews
Ecstasy and diazepam are two commonly abused drugs with a high potential for dependence.
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Isothermal single base extension based lateral flow biosensor and electrochemical assay for gene point mutation detection

RSC - Anal. Methods latest articles - Mon, 04/23/2018 - 23:21
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00746B, PaperNing SUN, Qi Guo, Xiaomei Li, jitao chen, Xiaowen Liu, Kwok-yin Wong, zhiyuan fang
Gene point mutations are commonly associated with the development of cancer and other diseases. The rapid and accurate detection of mutation is increasingly needed in personalized therapeutic regimes. In this...
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Dual-quenching Strategy for Determination of ATP based on aptamer and Exonuclease I-assisted Electrochemiluminescence resonance energy transfer

RSC - Anal. Methods latest articles - Mon, 04/23/2018 - 22:19
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00465J, PaperHeng-Yu Xu, Long-Sheng Jin, Ning Xu, Jing-Ru Chen, Mei-Sheng Wu
We report a dual-quenching strategy for highly sensitive detection of adenosine triphosphate (ATP) using electrochemiluminescence (ECL) recovery based on the exonuclease-assisted decreasing amount of both ferrocene and ECL-RET acceptor (Au...
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Label-free and sensitive detection of uracil-DNA glycosylase using exponential real-time rolling circle amplification

RSC - Anal. Methods latest articles - Mon, 04/23/2018 - 22:19
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00742J, PaperYuan Xu, Yunxi Cui, Qiuge Zhao, An-na Tang, Deming Kong
Sensitive valuation of the Uracil-DNA glycosylase (UDG) activity is greatly significant in both fundamental biochemical process studies and disease prognoses. In this study, a plain but sensitive UDG activity-sensing strategy...
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Development of Novel Enantioselective HPLC Methods for Determination of Optical Purity of N[small alpha]-Fmoc / Boc Amino acid Derivatives (N[small alpha]-PADs) of Natural and Unnatural Amino Acids: Analytical Strategy to Key Starting Materials of...

RSC - Anal. Methods latest articles - Mon, 04/23/2018 - 11:12
Anal. Methods, 2018, Accepted Manuscript
DOI: 10.1039/C8AY00502H, PaperYagnakirankumar Komaravolu, Dama Venugopala Rao, Maringanti T Chary
Control of chiral purity of N[small alpha] -Fmoc/Boc amino acid derivatives (N[small alpha]-PADs) used in the manufacturing of therapeutic peptides is an important material quality attributes to reduce the risk of undesired...
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