Analytical Chemistry News

An efficient grafting technique for producing molecularly imprinted film via reversible addition-fragmentation chain transfer polymerization

RSC - Anal. Methods latest articles - Sun, 08/13/2017 - 23:41
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01623A, PaperYang Wang, Shaoqin Jiao, Xiaoli Chen, Tianxin Wei
An efficient approach to obtaining molecularly imprinted polymer (MIP) film for detection of 17[small beta]-Estradiol (E2) with water-compatible property, using a reversible addition-fragmentation chain transfer (RAFT) by photo-initiated is described. 2-methyl-2-[(dodecylsulfanylthiocarbonyl)sulfanyl]propanoic...
The content of this RSS Feed (c) The Royal Society of Chemistry

Colorimetric sensor for highly sensitive and selective detection of copper ion

RSC - Anal. Methods latest articles - Sun, 08/13/2017 - 23:41
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01335C, PaperQi Gao, Ling Ji, Qiaoning Wang, Kun Yin, Jinhua Li, Lingxin Chen
Copper ion (Cu2+), as a type of essential element, plays important roles in various metabolic processes of organisms. However, excessive intake of Cu2+ can induce a series of diseases, such...
The content of this RSS Feed (c) The Royal Society of Chemistry

The electrochemical sensor of dopamine based on polydopamine modified reduced graphene oxide anchored with tin dioxide and gold nanoparticles

RSC - Anal. Methods latest articles - Fri, 08/11/2017 - 00:25
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY00991G, PaperHong Zhao, Xiaoqing Cui, Xian Fang, Zeng xi Li, Hongxuan Ren
In the present work, polydopamine (PDA) modified reduced graphene oxide (pRGO)/SnO2/Au nanoparticles (NPs) were synthesized. The process is that SnO2/AuNPs was prepared through the redox reaction between reductive stannous (II)...
The content of this RSS Feed (c) The Royal Society of Chemistry

Multi-residue analysis of selected pharmaceuticals in wastewater samples by stir-bar sorptive extraction followed by liquid desorption and liquid chromatography-mass spectrometry

RSC - Anal. Methods latest articles - Thu, 08/10/2017 - 19:22
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01310H, PaperAnita Klancar, Robert Roskar, Matic Zakotnik, Jurij Trontelj
New organic pollutants such as pharmaceuticals have been recently classified as emerging pollutants. These are chemically active compounds and may pose a risk to environmental organisms as well as to...
The content of this RSS Feed (c) The Royal Society of Chemistry

Analysis of the Surface Functional Groups of Organic Nanoparticles Formed in Furfural Vapour Photonucleation using Rupture Event Scanning Technique

RSC - Anal. Methods latest articles - Wed, 08/09/2017 - 22:39
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01437F, PaperGalina Dultseva, Sergey Dubtsov, Fedor N. Dultsev, Tatyana Kobzeva, Denis Nekrasov
The surface functional groups of organic nanoparticles formed in furfural photonucleation were identified with the help of rupture event scanning. The presence of carboxylic groups on the surface of particles...
The content of this RSS Feed (c) The Royal Society of Chemistry

Electrochemical enantiorecognition of tryptophan enantiomers based on multi-walled carbon nanotubes-hydroxyethyl chitosan composite film

RSC - Anal. Methods latest articles - Wed, 08/09/2017 - 19:36
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01775H, PaperZhenliang Li, Zunli Mo, Ruibin Guo, Shujuan Meng, Ruijuan Wang, Huhu Gao, Xiaohui Niu
A novel chiral electrochemical sensor based on hydroxyethyl chitosan (HECS) covalently binding with the carboxylic multi-walled carbon nanotubes (MWCNTs-COOH) was fabricated for discrimination of tryptophan (Trp) enantiomers, HECS preferably combined...
The content of this RSS Feed (c) The Royal Society of Chemistry

Coupling solid-phase microextractions and surface-enhanced Raman scattering: Towards a point-of-need tool for hepatic cancer screening

RSC - Anal. Methods latest articles - Wed, 08/09/2017 - 05:24
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01689A, CommunicationJennifer H Granger, Aleksander Skuratovsky, Jill E Shea, Courtney L Scaife, Qun Li, Sean Wang, Marc Poter
A method for performing rapid, highly portable immunoassays at low limits of detection (LoD) has been developed by combining solid-phase microextraction membranes, gold nanoparticle labels, and surface-enhanced Raman scattering. The...
The content of this RSS Feed (c) The Royal Society of Chemistry

Rapid and sensitive detection of E. coli O157:H7 based on antimicrobial peptide functionalized magnetic nanoparticles and urease-catalyzed signal amplification

RSC - Anal. Methods latest articles - Tue, 08/08/2017 - 22:19
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01643C, PaperZhaohui Qiao, Chunyang Lei, Yingchun Fu, Yanbin Li
The development of rapid and sensitive detection of foodborne pathogens could effectively prevent or reduce the outbreaks of foodborne diseases. Herein, a simple, rapid, and sensitive detection of E. coli...
The content of this RSS Feed (c) The Royal Society of Chemistry

Coral 129I/127I measurement method using ICP-MS and AMS with carrier addition

RSC - Anal. Methods latest articles - Tue, 08/08/2017 - 22:19
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01458A, PaperAngel T., VII Bautista, Yasuto Miyake, Hiroyuki Matsuzaki, Fernando P. Siringan
Iodine-129 in coral cores provide historical records of human nuclear activities, establish or confirm coral age models, and trace environmental processes. During the time of this writing, the only published...
The content of this RSS Feed (c) The Royal Society of Chemistry

Aqueous Synthesis of CdTe Quantum Dots by Hydride Generation for Visual Detection of Silver on Quantum Dots Immobilized Paper

RSC - Anal. Methods latest articles - Tue, 08/08/2017 - 21:19
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01705G, PaperKe Huang, Rui Dai, Wenqing Deng, Ling Lin, Ai Zhang, Xin Yuan
A novel visual detection method was developed for silver using CdTe quantum dots (QDs) immobilized paper. CdTe QDs was synthesized in aqueous solution by hydride generation (HG) for the first...
The content of this RSS Feed (c) The Royal Society of Chemistry

Amino Acid Profiling from Fingerprints, Novel Methodology Using UPLC-MS

RSC - Anal. Methods latest articles - Tue, 08/08/2017 - 20:19
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01603D, Technical NoteWard van Helmond, Chris-Jan Kuijpers, Elise van Diejen, Jincey Spiering, Brent Maagdelijn, Marcel de Puit
Fingermark evidence is extensively used in criminal investigations. Hence, there have been many investigations into the chemical compounds present in fingerprint deposits. In this technical note we describe the analysis...
The content of this RSS Feed (c) The Royal Society of Chemistry

Photocatalytic and Antibacterial Biomimetic ZnO Nanoparticles

RSC - Anal. Methods latest articles - Mon, 08/07/2017 - 21:00
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01468F, PaperNishant Kumar, Akhshay Singh Bhadwal, Mayank Garg, Reema Sharma, Suman Singh, Boris Mizaikoff
The synthesis of nanoscale materials has gained considerable attention due to their excellent properties also in photocatalysis and as antimicrobials. More recently, bio-reduction mediated synthesis of such nanostructures has emerged...
The content of this RSS Feed (c) The Royal Society of Chemistry

Ultrasensitive and selective colorimetric detection of acetamiprid pesticide based on the enhanced peroxidase-like activity of gold nanoparticles

RSC - Anal. Methods latest articles - Mon, 08/07/2017 - 21:00
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01451A, PaperWenping Yang, Yuangen Wu, Han Tao, Jing Zhao, Huayun Chen, Shuyi Qiu
This paper reports a new colorimetric aptasensor for the detection of acetamiprid pesticides with high sensitivity and selectivity based on the enhanced peroxidase-like activity of gold nanoparticles (AuNPs). The aptasensor...
The content of this RSS Feed (c) The Royal Society of Chemistry

Emulsification liquid-liquid microextraction based on deep eutectic solvents: an extraction method for the determination of sulfonamides in water samples

RSC - Anal. Methods latest articles - Mon, 08/07/2017 - 07:47

Anal. Methods, 2017, Advance Article
DOI: 10.1039/C7AY01332A, PaperLingling Liu, Tao Zhu
In this study, a simple, inexpensive and sensitive method named emulsification liquid-liquid microextraction based on deep eutectic solvents (ELLME-DES) was used for the extraction of sulfonamides (SAs) from water samples, including sulfadiazine (SDZ), sulfamerazine (SMR), sulfametoxydiazine (SDD) and sulfamethoxazole (SMX).
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

Fast gradient normal-phase high pressure liquid chromatography for rapid baseline separation of nine vitamin E homologues in palm tocotrienol rich fraction (TRF)

RSC - Anal. Methods latest articles - Sun, 08/06/2017 - 22:40
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY00924K, PaperOon Hock Tan, Emily Hui Peng Tan, Hong Ing Ooi
A rapid, accurate and precise normal-phase high pressure liquid chromatographic method was developed and validated for simultaneous determination of nine vitamin E homologues comprised of [small alpha]-tocomonoenol, [small alpha]-, [small beta]-, [gamma]-, [small delta]-tocopherols...
The content of this RSS Feed (c) The Royal Society of Chemistry

Ionic liquid based in-situ solvent formation microextraction followed by on-line phase separation coupled with cold vapor-atomic absorption spectrometry for mercury determination in seafood samples

RSC - Anal. Methods latest articles - Sun, 08/06/2017 - 22:40
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01270E, PaperSaeideh Molaei, Shahram Seidi, Abolfazl Saleh, Vanik gholipour
An ionic liquid based in-situ solvent formation microextraction (IL-ISFME) followed by on-line phase separation coupled to cold vapor-atomic absorption spectrometry (CV-AAS) was introduced based on using a homemade in-line filter...
The content of this RSS Feed (c) The Royal Society of Chemistry

Tuning the Aggregation/Disaggregation Behaviours of ZnSe Quantum Dots for High-Sensitivity Fluorescent Rutin Sensor

RSC - Anal. Methods latest articles - Sun, 08/06/2017 - 22:40
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01480E, PaperYurong Tang, Shuguang Yan, Hang Ye, Fenglan Zheng, Liu Feng, Feng Liu, Xulong Li
The design of quantum dots as a new sensing platform is very important for developing high-sensitivity fluorescent sensors. However, achieving new strategy is still a great challenge. Here, a new...
The content of this RSS Feed (c) The Royal Society of Chemistry

A non-enzymatic ethanol sensor based on a nanostructured catalytic disposable electrode

RSC - Anal. Methods latest articles - Fri, 08/04/2017 - 07:28

Anal. Methods, 2017, Advance Article
DOI: 10.1039/C7AY01078H, PaperMarta M. Pereira Silva Neves, M. Begona Gonzalez-Garcia, Pablo Bobes-Limenes, Alejandro Perez-Junquera, David Hernandez-Santos, Francisco Jose Vidal-Iglesias, Jose Solla-Gullon, Pablo Fanjul-Bolado
Disposable screen-printed carbon electrodes modified with platinum nanoparticles were employed in the electrocatalytic detection of ethanol. The developed non-enzymatic ethanol sensor was applied to real samples.
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

Pages