Results 121 to 130 of about 451,287 (296)

Aroma features of honey measured by sensory evaluation, gas chromatography-mass spectrometry, and electronic nose

open access: yesInternational Journal of Food Properties, 2018
To study the aroma features of different varieties of honey, five honey samples from different botanical origins were characterized by sensory evaluation, gas chromatography-mass spectrometry and electronic nose analysis.
Huaixiang Tian   +3 more
doaj   +1 more source

ANALYSIS AND IDENTIFICATION SPIKING CHEMICAL COMPOUNDS RELATED TO CHEMICAL WEAPON CONVENTION IN UNKNOWN WATER SAMPLES USING GAS CHROMATOGRAPHY AND GAS CHROMATOGRAPHY ELECTRON IONIZATION MASS SPECTROMETRY

open access: yesIndonesian Journal of Chemistry, 2010
The identification and analysis of chemical warfare agents and their degradation products is one of important component for the implementation of the convention.
Harry Budiman
doaj   +1 more source

Anomalous Stiffening of a Conjugated Polymer During Electrochemical Oxidation

open access: yesAdvanced Functional Materials, EarlyView.
The electromechanical response of a thienothiophene‐based conjugated polymer with triethylene glycol side chains is investigated. Electrochemical nanoindentation and atomic force microscopy reveal a modest and reversible increase in elastic modulus at room temperature upon electrochemical oxidation.
Judith Pons i Tarrés   +17 more
wiley   +1 more source

Aruncus dioicus var. kamtschaticu: A Newly Identified Source of Lactucaxanthin (ε,ε-Carotene-3,3′-diol)

open access: yesHorticulturae
Green leafy vegetables are rich in lipophilic metabolites such as carotenoids, phytosterols, tocopherols, and fatty acids, known for their significant health benefits. Goat’s beard (Aruncus dioicus var.
Ramesh Kumar Saini   +5 more
doaj   +1 more source

The Isolation and Spectroscopic Characterization of Products from the Metatheses of Alkyl Oleates [PDF]

open access: yes, 1994
The products from the metathesis reactions of methyl and ethyl oleate were isolated using column chromatography. The various components obtained were characterized using infrared (IR), 1Hand 13C nuclear magnetic resonance spectroscopy (NMR) and gas ...
Buang, Nor Aziah   +2 more
core  

Mesoporous Carbon Thin Films with Large Mesopores as Model Material for Electrochemical Applications

open access: yesAdvanced Functional Materials, EarlyView.
Mesoporous carbon thin films possessing 70 nm mesopores are prepared on titanium substrates by soft templating of resol resins with a self‐synthesized poly(ethylene oxide)‐block‐poly(hexyl acrylate) block copolymer. A strategy to avoid corrosion of the metal substrate is presented, and the films are extensively characterized in terms of morphology ...
Lysander Q. Wagner   +9 more
wiley   +1 more source

Using the Photostationary State of Arylazopyrazoles to Control Phase Transitions of Liquid Crystals

open access: yesAdvanced Functional Materials, EarlyView.
A series of new arylazopyrazole photoswitches is designed as dopants for liquid crystalline materials. Unprecedented, the distribution of photoisomers at the photostationary state upon irradiation with light of specific wavelengths (365, 460, 520 nm) is used to control the liquid crystalline phase transitions under isothermal conditions, including ...
Tobias Thiele   +3 more
wiley   +1 more source

Identification of CS Degradation Products in Objects Delivered from the Zone of a Special Military Operation

open access: yesВестник войск РХБ защиты
The formation of a CS aerosol during the combustion of a pyrotechnic mixture in gas grenades is accompanied by the formation of numerous thermolytic degradation products.
A. S. Iarlychenko   +3 more
doaj   +1 more source

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