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Rapid determination of farinograph parameters of wheat flour using data fusion and a forward interval variable selection algorithm

Thu, 10/19/2017 - 00:05
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY02065A, PaperJia CHEN, Fayin Ye, GH Zhao
Farinograph tests are used to predict functional properties and quality of wheat flour. However, these tests are time-consuming and labor-intensive. Conventional rapid determination methods based on near-infrared (NIR) spectra showed...
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Selective Molecular Characterization of Particulate Matters from Gasoline Cars Using Internal Extractive Electrospray Ionization Mass Spectrometry

Thu, 10/19/2017 - 00:05
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY02087B, PaperHua Zhang, Yi Li, Kun Liu, Liang Zhu, Huanwen Chen
Chemical characterization of particulate matters (PMs) from on-road automobile exhaust remains analytically challenging as PMs contain thousands of inorganic and organic species, despite their negative contribution to atmospheric air quality....
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Integrating Kohonen map analysis (KMA) on chromatographic data sets to achieve unsupervised classification of olive and non-olive oils samples: A novel approach

Thu, 10/19/2017 - 00:05
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01963G, PaperKeshav Kumar
In the present work, a novel procedure that involves application of the Kohonen map analysis (KMA) algorithm on the chromatographic data sets is introduced for quality monitoring of the olive...
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SERS-fluorescence bimodal nanoprobes for in vitro imaging of fatty acid responsive receptor GPR120

Wed, 10/18/2017 - 20:03
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY02039B, PaperLifu Xiao, Abdul K. Parchur, Timothy A. Gilbertson, Anhong Zhou
G-protein-coupled receptor 120 (GPR120), as a member of the rhodopsin family of G-protein-coupled receptors, has been shown to function as a sensor for dietary fat in the gustatory and digestive...
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Direct solid sampling determination of lead in cheese varieties by high resolution continuum source graphite furnace atomic absorption spectrometry

Tue, 10/17/2017 - 20:43
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY02029E, PaperHande Tinas, Nil Ozbek, Suleyman Akman
Lead concentrations in cheese varieties were determined against aqueous standards using high-resolution continuum source graphite furnace atomic absorption spectrometry with direct solid sampling. Cheese samples were dried at 110 [degree]C,...
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New analytical technique for extraction and quantification of microplastics in marine sediments focused on easy implementation and repeatability.

Tue, 10/17/2017 - 19:43
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01800B, PaperJulio Sanchez-Nieva, Jose Antonio Perales, Juan Maria Gonzalez-Leal, ELISA ROJO-NIETO
A new analytical approach has been developed to extract and quantify HDPE microparticles from marine sediments. This is the first method that has been proposed using routine laboratory equipment that...
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Ultra-high-performance liquid chromatography-triple quadrupole mass spectrometry method for the detection of steroidal glycoalkaloids in potato samples

Tue, 10/17/2017 - 19:43
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY02244A, PaperXuheng Nie, Huachun Guo
An ultra-high-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) method has been optimized and validated to simultaneously monitor the steroidal glycoalkaloids (SGAs), [small alpha]-chaconine and [small alpha]-solanine, in potato samples stored under natural indoor...
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Correction: Target-induced duplex-triplex transition for ratiometric detection of adenosine triphosphate

Tue, 10/17/2017 - 07:33
Anal. Methods, 2017, Advance Article
DOI: 10.1039/C7AY90139A, Correction Open Access &nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Shujuan Yao, Yanhua Gao, Wen Wang, Donghua Ni, Kaixian Zhang, Ling Li, Jianqiang Du, Xiujuan Cui
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Rapid derivatization and extraction of paraben preservatives by fast syringe-assisted liquid-liquid microextraction and their determination in cosmetic and aqueous sample solutions by gas chromatography

Mon, 10/16/2017 - 06:17

Anal. Methods, 2017, Advance Article
DOI: 10.1039/C7AY01375B, PaperMaryam Rajabi, Alireza Sarhadi, Mohammad Bazregar, Alireza Asghari, Ehsan Mirparizi
In this work, a very rapid method is developed for the simultaneous derivatization and extraction of some parabens in aqueous sample solutions.
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A novel polydentate Schiff-base derivative developed for multi-wavelength colorimetric differentiation of trace Fe2+ from Fe3+

Sun, 10/15/2017 - 23:04
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY02167D, PaperZhengquan Yan, Yanjie Zhu, Jie Xu, Chong Wang, Pengyue Li, Yuyu Zheng, Lei Hu, Jinmao You
A novel Schiff-base derivative containing polydentate ligands, N-2'-hydroxyl-1'- naphthyl methylene-3-hydroxyl-2-amino pyridine (NNAP), was identified and developed. After its structure was characterized by FTIR, 1H NMR, mass spectra and element analyses,...
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The combination of NIR spectroscopy and HPLC chromatography for differentiating Lotus seed cultivars and quantitative predicting of four main constituents in Lotus with the aid of chemometrics

Sun, 10/15/2017 - 23:04
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY02021J, PaperYing Guo, Xiaoxiao Ding, Yongnian Ni
Lotus has being widely cultivated and consumed in Asia, Oceania and America, and it is not only used as an ornamental plant but also as a dietary staple. In this...
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A Highly Selective and Sensitive Fluorescence Sensor for the Detection of Apigenin based on Nitrogen Doped Carbon Dots and its application in cell imaging

Sun, 10/15/2017 - 23:04
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY02202F, PaperJing Li, Jinping Song, Xiaomin Liang, Qi Ma, La Shen, Yong Guo, Feng Feng
A highly selective and sensitive fluorescence detection platform based on nitrogen doped carbon dots (N-CDs) is firstly developed for the determination of apigenin (Api) in celery. N-CDs was obtained by...
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A dual-mode nanosensor based on the inner filter effect of gold nanoparticles on the fluorescence of CdS quantum dots for sensitive detection of arginine

Sun, 10/15/2017 - 23:04
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01785E, PaperSomayyeh Khezri, Morteza Bahram, Naser Samadi
In this work, we developed a low-cost, rapid, simple and sensitive analytical method for the visual and fluorescent detection of arginine based on the inner filter effect (IFE) of gold...
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A Simple Technique to Design Microfluidic Devices for System Integration

Sun, 10/15/2017 - 23:04
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY02177A, PaperMimi Xuan Yang, Benjamin Wang, Xiaolin Hu, Philip H. S. Wong
We present a robust method to fabricate a polydimethyliloxane (PDMS) microfluidic device with critical channel features located near the periphery. The fabricated device has a window cutout, allowing close placement...
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Chromatographic unsupervised classification of olive and non-olive oil samples with the aid of Graph Theory

Thu, 10/12/2017 - 21:11
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01828B, PaperKeshav Kumar
Graph theory is a tool originated from the discrete mathematics. A graph essentially consists of two fundamental units, nodes and edges. The nodes represent the samples and edges describe their...
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Highly sensitive surface-enhanced Raman scattering detection of adenosine triphosphate based on core-satellite assemblies

Thu, 10/12/2017 - 21:11
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY02096A, PaperYa-Fei Tian, Wen Zhou, Bin-Cheng Yin, Bang-Ce Ye
As an important small molecule, adenosine triphosphate (ATP) plays an important role in the regulation of cell metabolism and supplies energy for various biochemical reactions in organisms. We herein developed...
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Ligand identification of the adenosine A2A receptor in self-assembled nanodiscs by affinity mass spectrometry

Thu, 10/12/2017 - 09:10

Anal. Methods, 2017, Advance Article
DOI: 10.1039/C7AY01891F, PaperJun Ma, Yan Lu, Dong Wu, Yao Peng, Wendy Loa-Kum-Cheung, Chao Peng, Ronald J. Quinn, Wenqing Shui, Zhi-Jie Liu
The combination of nanodisc and affinity LC/MS techniques potentiates the high-throughput screening against GPCRs.
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A selective nanosensor for ultrafast detection of Cu2+ ions based on C5 DNA-templated gold nanoclusters and Fenton-like reaction

Wed, 10/11/2017 - 20:10
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY02247F, PaperTaiping Qing, Hongchang Bu, Xiaoxiao He, Dinggeng He, Bing Zhou, Huanhuan Sun, Ruichen Jia, Wenjie Ma, Kemin Wang
Copper pollution has become a very serious problem in modern society as the increasing industrial emission and the acid mine drainage. Copper deficiency or excess copper accumulate in human and...
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Microprofiling real time nitric oxide flux for field studies using a stratified nanohybrid carbon-metal electrode

Wed, 10/11/2017 - 20:10
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01964E, PaperPrachee Chaturvedi, Diana C Vanegas, Bernie A Hauser, Jamie S. Foster, Maria Soledad Sepulveda, Eric S McLamore
Nitric oxide (NO) is an important signaling molecule that is involved in stress response, homeostasis, host defense, and cell development. In most cells, NO levels are in the femtomolar to...
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Are my data normal?

Wed, 10/11/2017 - 10:29

Anal. Methods, 2017, Advance Article
DOI: 10.1039/C7AY90126G, AMC Technical Brief Analytical Methods Committee AMCTB No. 82
The normal distribution is the expected outcome when a result stems from numerous stages of the measurement process, each of which introduces a small independent error. Sometimes we need to test whether a dataset complies with that expectation.
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