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30 Newest Publications about the topic food analytics

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Elucidation of the intra- and inter-molecular electron transfer pathways of glucoside 3-dehydrogenase

15-Apr-2018 | Author(s): Ryota Miyazaki, Tomohiko Yamazaki, Keiichi Yoshimatsu, Katsuhiro Kojima, Ryutaro Asano, Koji ..., Bioelectrochemistry, 2018

Publication date: August 2018 Source:Bioelectrochemistry, Volume 122 Author(s): Ryota Miyazaki, Tomohiko Yamazaki, Keiichi Yoshimatsu, Katsuhiro Kojima, Ryutaro Asano, Koji Sode, Wakako Tsugawa Glucoside 3‑dehydrogenase (G3DH) is a flavin adenine dinucleotide (FAD)-containing ...

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Sensors, Vol. 18, Pages 354: Label-Free Aptasensor for Lysozyme Detection Using Electrochemical Impedance Spectroscopy

26-Jan-2018 | Ortiz-Aguayo, Dionisia ; del Valle, Manel, Sensors, 2018

Sensors, Vol. 18, Pages 354: Label-Free Aptasensor for Lysozyme Detection Using Electrochemical Impedance Spectroscopy Sensors doi: 10.3390/s18020354 Authors: Dionisia Ortiz-Aguayo Manel del Valle This research develops a label-free aptamer biosensor (aptasensor) based on ...

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A quantitative approach for pesticide analysis in grape juice by direct interfacing of a matrix compatible SPME phase to dielectric barrier discharge ionization-mass spectrometry

23-Jan-2018 | Mario F. Mirabelli; Emanuela Gionfriddo; Janusz Pawliszyn; Renato Zenobi, Analyst, 2018

We evaluated the performance of a dielectric barrier discharge ionization (DBDI) source for pesticide analysis in grape juice, a fairly complex matrix due to the high content of sugars (≈20% w/w) and pigments. A fast sample preparation method based on direct immersion solid-phase microextraction ...

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Molecules, Vol. 23, Pages 160: Cool-Climate Red Wines—Chemical Composition and Comparison of Two Protocols for 1H–NMR Analysis

13-Jan-2018 | Aru, Violetta ; Sørensen, Klavs Martin; Khakimov, Bekzod ; Toldam-Andersen, Torben Bo; Balling Engelsen, Søren, Molecules, 2018

Molecules, Vol. 23, Pages 160: Cool-Climate Red Wines—Chemical Composition and Comparison of Two Protocols for 1H–NMR Analysis Molecules doi: 10.3390/molecules23010160 Authors: Violetta Aru Klavs Sørensen Bekzod Khakimov Torben Toldam-Andersen Søren Balling Engelsen This ...

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Improved sampling and analysis of images in corneal confocal microscopy

26-May-2017 | E.L. SCHALDEMOSE, F.I. FONTAIN, P. KARLSSON, J.R. NYENGAARD, Journal of Microscopy, 2017

Summary Introduction: Corneal confocal microscopy (CCM) is a noninvasive clinical method to analyse and quantify corneal nerve fibres in vivo. Although the CCM technique is in constant progress, there are methodological limitations in terms of sampling of images and objectivity of the nerve ...

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Enantioselective dissipation of pyriproxyfen in soils and sand

18-May-2017 | Hui Liu, Peng Wang, Zhiqiang Zhou, Donghui Liu, Chirality, 2017

Abstract Under normal conditions, the environmental behaviors of pesticides are affected by complex environmental factors and the manner of administration together with constraints. In order to meet the actual needs, we imitated the experiment and found that the degradation rate of ...

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L-Cysteine (3-Nitrophenyl)methyl Ester Hydrochloride: A New Chiral Reagent in the Sugar Analysis

18-May-2017 | De Marino, Simona; Festa, Carmen; Iorizzi, Maria; Zollo, Franco, Letters in Organic Chemistry, 2017

Abstract: Background: Several GC and HPLC methods have been proposed for the separation of aldose enantiomers. Method: We developed a general HPLC method for the discrimination of (D,L)-monosaccharide components from natural products. The reaction involves the preparation of L-cysteine ...

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Nanomaterial based Biosensors for Detection of Biomarkers of Exposure to OP Pesticides and Nerve Agents: A Review

27-Jan-2017 | Weiying Zhang, Zhenzhong Guo, Yong Chen, Yiping Cao, Electroanalysis, 2017

Abstract Organophosphorus (OP) pesticides are primarily used as insecticides and chemical warfare agents worldwide. Due to their impact on the environment and health, it is important to develop prompt and accurate pesticide analysis method. This review addresses recent advances and new trends ...

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Evaluation of the matrix‐like effect in multiresidue pesticide analysis by gas chromatography with tandem mass spectrometry

20-Jan-2017 | Kazuhiko Akutsu, Masato Yoshimitsu, Yoko Kitagawa, Satoshi Takatori, Naoki Fukui, Masakazu Osakada, Satoko Yamaguchi ..., Journal of Separation Science, 2017

In multiresidue pesticide analysis using gas chromatography, it has long been recognized that an increase in the number of pesticides present in a standard solution can result in an enhancement of the peak responses of certain pesticides. Despite being widely acknowledged, this phenomenon has ...

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Molecules, Vol. 21, Pages 1587: Structural Investigation of Cell Wall Xylan Polysaccharides from the Leaves of Algerian Argania spinosa

21-Nov-2016 | Hachem, Kadda ; Faugeron, Céline ; Kaid-Harche, Meriem ; Gloaguen, Vincent, Molecules, 2016

Xylan-type polysaccharides were isolated from the leaves of Argania spinosa (L.) Skeels collected in the Tindouf area (southwestern Algeria). Xylan fractions were obtained by sequential alkaline extractions and purified on Sepharose CL-4B. The xylan structure was investigated by enzymatic ...

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