Results 41 to 50 of about 142,692 (137)

Synthesis and characterization of polyarylacetylene for use in the monolithic vitreous carbon processing

open access: yesPolímeros, 2014
In this work, polyarylacetylene (PAA) prepolymer obtained from 1,4-diethynylbenzene was evaluated as polymeric precursor of monolithic vitreous carbon (MVC). The monomer 1,4-diethynylbenzene was synthesized and the PAA prepolymer was prepared with 13, 16
Silvia Sizuka Oishi   +3 more
doaj   +1 more source

Identification of the Geographic Origin of Parmigiano Reggiano (P.D.O.) Cheeses Deploying Non-Targeted Mass Spectrometry and Chemometrics

open access: yesFoods, 2017
Parmigiano Reggiano is an Italian product with a protected designation of origin (P.D.O.). It is an aged hard cheese made from raw milk. P.D.O. products are protected by European regulations. Approximately 3 million wheels are produced each year, and the
Bert Popping   +3 more
doaj   +1 more source

Viability of 4 Probiotic Bacteria Microencapsulated with Arrowroot Starch in the Simulated Gastrointestinal Tract (GIT) and Yoghurt

open access: yesFoods, 2019
Probiotic bacteria are usually encapsulated to increase their survival through passage of the simulated gastrointestinal tract (GIT). Four Lactobacilli were freeze-dried and encapsulated with maltodextrin (maltodextrin 1.25 g, whey 0.25 g, bacteria 0.5 g,
Lesly Samedi, Albert Linton Charles
doaj   +1 more source

Draft Genome Sequence of Bacillus sp. Strain CMAA 1185, a Cellullolytic Bacterium Isolated from Stain House Lake, Antarctic Peninsula

open access: yesGenome Announcements, 2015
The aim of this study was to report the genome sequence of the cellulolytic Bacillus sp. strain CMAA 1185, isolated from Stain House Lake, Antarctica.
S. N. Santos   +5 more
semanticscholar   +1 more source

A Microethnographic and Ethnobotanical Approach to Llayta Consumption among Andes Feeding Practices

open access: yesFoods, 2018
Llayta is a dietary supplement that has been used by rural communities in Perú and northern Chile since pre-Columbian days. Llayta is the biomass of colonies of a Nostoc cyanobacterium grown in wetlands of the Andean highlands, harvested, sun-dried ...
Mailing Rivera   +3 more
doaj   +1 more source

A Model-to-Monitor Evaluation of 2011 National-Scale Air Toxics Assessment (NATA)

open access: yesToxics, 2019
Environmental research has widely utilized the ambient concentrations of hazardous air pollutants (HAPs) modeled by the National-Scale Air Toxics Assessment (NATA) program; however, limited studies have evaluated the model’s performance. This study
Zhuqing Xue, Chunrong Jia
doaj   +1 more source

Antioxidant and Anti-Apoptotic Properties of Oat Bran Protein Hydrolysates in Stressed Hepatic Cells

open access: yesFoods, 2019
The objective of this work was to find out how the method to extract proteins and subsequent enzymatic hydrolysis affect the ability of hepatic cells to resist oxidative stress.
Ramak Esfandi   +2 more
doaj   +1 more source

Dependence of Photocatalytic Activity of TiO2-SiO2 Nanopowders [PDF]

open access: yesJournal of Nanostructures, 2014
Structural properties and chemical composition change the photocatalytic activity in TiO2-SiO2 nanopowder composite. The SiO2-TiO2 nanostructure is synthesized based on sol–gel method.
M. Riazian
doaj   +1 more source

Biological Evaluation of DNA Biomarkers in a Chemically Defined and Site-Specific Manner

open access: yesToxics, 2019
As described elsewhere in this Special Issue on biomarkers, much progress has been made in the detection of modified DNA within organisms at endogenous and exogenous levels of exposure to chemical species, including putative carcinogens and ...
Ke Bian   +3 more
doaj   +1 more source

Separation processes, I: Azeotropic rectification [PDF]

open access: yesHemijska Industrija, 2005
In a series of two articles, the problems of azeotrope separation (part I) and the design of separation units (part II) were analyzed. The basic definition and equations of vapour-liquid equilibria for ideal and non-ideal systems, the importance of the ...
Milojević Svetomir
doaj   +1 more source

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