Results 1 to 10 of about 2,445,321 (304)

Characterization of Acrocarpus fraxinifolius wood submitted to heat treatment

open access: yesMaderas: Ciencia y Tecnología, 2022
Aiming to provide greater visibility for the wood species Acrocarpus fraxinifolius, the present study sought to analyze the influence of heat treatment on an industrial scale applied to wood species, also popularly known as Indian cedar.
Carolina A. Barros Oliveira   +4 more
doaj   +1 more source

Chemical Composition and Color of Short-Rotation Teak Wood Thermally Modified in Closed and Open Systems

open access: yesApplied Sciences, 2023
Although the effect of thermal modification (TM) on teak wood color is well documented, few studies have been carried out on closed-system processes, and it remains unclear what the effect is of different processes on the same material.
Felipe da Silva Gomes   +10 more
doaj   +1 more source

Trends in Molecularly Imprinted Polymers (MIPs)-Based Plasmonic Sensors

open access: yesChemosensors, 2023
In recent years, plasmonic sensors have been used in various fields ranging from environmental monitoring, pharmaceutical analysis, medical diagnosis, and food quality assessment to forensics.
Giancarla Alberti   +4 more
doaj   +1 more source

Study on Extraction, Physicochemical Properties, and Bacterio-Static Activity of Polysaccharides from Phellinus linteus

open access: yesMolecules, 2023
We optimized an ultrasound-assisted extraction process of Phellinus linteus mycelium polysaccharides (PLPs) and studied their monosaccharide composition and bacteriostatic properties.
Nengbin Gao   +9 more
doaj   +1 more source

Impact of Yeast Selection on Volatile Phenol Levels of Wines Produced from Smoked-Exposed Juice

open access: yesFermentation, 2021
Grapes exposed to smoke can result in wines that have unacceptable high levels of volatile phenols. High volatile phenols levels have a negative impact on wine quality.
Heinrich W. du Plessis   +4 more
doaj   +1 more source

Findings of herbicide and fungicide residues in bee bread

open access: yesPlant, Soil and Environment, 2021
The honey bee is one of the insects that is significantly endangered by the application of pesticides in the cultivation of crops. Not only is acute toxicity dangerous, but the importance of chronic poisoning by low doses of pesticides in hives is ...
Aneta Bokšová   +6 more
doaj   +1 more source

CHEMICAL ANALYSES OF BACTERIOLOGICAL BOUILLONS [PDF]

open access: yesAmerican Journal of Public Health, 1918
T HE following analyses of bouilIons were miade in order to obtain definite inforimiatioin in regard to the extent of variation ill chemiiical coiilposition of botuillons )repared according to standard procedures for bacteriological purposes from the following material: (1) fresh beef, (2) meat extract, (3) fresh liver.
F C, Cook, E, Lefevre
openaire   +2 more sources

Methyljasmonate Elicitation Increases Terpenoid Indole Alkaloid Accumulation in Rhazya stricta Hairy Root Cultures

open access: yesPlants, 2019
Methyl jasmonate is capable of initiating or improving the biosynthesis of secondary metabolites in plants and therefore has opened up a concept for the biosynthesis of valuable constituents.
Amir Akhgari   +6 more
doaj   +1 more source

Chemical composition and antioxidant activity of essential oil of Cannabis sativa subsp. sativa L. from the Al-Hoceima province in northern Morocco [PDF]

open access: yesE3S Web of Conferences
Cannabis sativa subsp. sativa L. is an industrial plant that has gained importance due to its essential oil (EO), which has commercial, medical, and potential cosmetic applications. Despite its significance, the chemical constituents of the C.
Rejdali Mohamed   +8 more
doaj   +1 more source

Addition of Spirulina to Craft Beer: Evaluation of the Effects on Volatile Flavor Profile and Cytoprotective Properties

open access: yesAntioxidants, 2023
SPME-GC-MS and PTR-ToF-MS techniques were applied to describe the content of volatile flavor compounds in a craft beer before and after adding spirulina. The obtained results showed that the volatile profile of the two beer samples differed. Furthermore,
Cosimo Taiti   +7 more
doaj   +1 more source

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