Results 1 to 10 of about 16,457 (321)

Synthesis and physical-chemical properties of 3-benzyl-8-propylxanthine and its water-soluble salts

open access: yesAktualʹnì Pitannâ Farmacevtičnoï ì Medičnoï Nauki ta Praktiki, 2016
Aim. Selection of basic compounds is a key moment of the novel drug substances development process. Nowadays, it is possible to model the properties of biologically active substances with the help of computer technologies and the special software.
E. K. Mikhal’chenko   +2 more
doaj   +1 more source

Effect of fermentation time on the content of bioactive compounds with cosmetic and dermatological properties in Kombucha Yerba Mate extracts

open access: yesScientific Reports, 2021
Kombucha is a beverage made by fermenting sugared tea using a symbiotic culture of bacteria belonging to the genus Acetobacter, Gluconobacter, and the yeasts of the genus Saccharomyces along with glucuronic acid, which has health-promoting properties ...
Aleksandra Ziemlewska   +5 more
doaj   +1 more source

Palladium-catalyzed difluoromethylation of heteroaryl chlorides, bromides and iodides. [PDF]

open access: yes, 2017
A palladium-catalyzed difluoromethylation of a series of heteroaryl chlorides, bromides and iodides under mild conditions is described. A wide range of heteroaryl halides such as pyridyl, pyrimidyl, pyrazyl, funanyl, thienyl, pyazolyl, imidazolyl ...
Gu, Yang   +4 more
core   +1 more source

Cafeína: revisão sobre métodos de análise Analytical methods for caffeine

open access: yesQuímica Nova, 2007
Gravimetric and Bailey-Andrew methods are tedious and provide inflated results. Spectrofotometry is adequate for caffeine analysis but is lengthy. Gas chromatography also is applied to the caffeine analysis but derivatization is needed.
Carlos A. B. De Maria   +1 more
doaj   +1 more source

Design and Synthesis of New A2B Adenosine Receptor Antagonists [PDF]

open access: yes, 2009
Starting from chemical structure of N-benzo-[1,3]dioxol-5-yl-2-[5-(2,6dioxo-1,3-dipropyl-2,3,6,7-tetrahydro-1H-purin-8-yl)-1-methyl-1H-pyrazol3-yloxy]-acetamide, MRE2029F20* various structural modifications were realized to afford a new series of A2B ...
BARALDI, Stefania
core  

Cardiovascular and metabolic responses to the ingestion of caffeinated herbal tea: drink it hot or cold? [PDF]

open access: yes, 2018
Tea is usually consumed at two temperatures (as hot tea or as iced tea). However, the importance of drink temperature on the cardiovascular system and on metabolism has not been thoroughly investigated.
Dulloo, Abdul G.   +3 more
core   +2 more sources

Mechanisms involved in anti-aging effects of guarana (Paullinia cupana) in Caenorhabditis elegans

open access: yesBrazilian Journal of Medical and Biological Research, 2018
Guarana (Paullinia cupana) is habitually ingested by people in the Amazon region and is a key ingredient in various energy drinks consumed worldwide.
L.P. Arantes   +8 more
doaj   +1 more source

Inhaled corticosteroids versus long-acting beta -agonists for chronic obstructive pulmonary disease (Review). [PDF]

open access: yes, 2011
Long-acting beta(2)-agonists and inhaled corticosteroids can be used as maintenance therapy by patients with moderate to severe chronic obstructive pulmonary disease. These interventions are often taken together in a combination inhaler.
Agarwal   +105 more
core   +2 more sources

SYNTHESIS AND PHYSICAL-CHEMICAL PROPERTIES OF WATER-SOLUBLE 3-BENZYLXANTHINE DERIVATIVES

open access: yesAktualʹnì Pitannâ Farmacevtičnoï ì Medičnoï Nauki ta Praktiki, 2015
Introduction Nowadays, research of novel biological active compounds with low toxicity, are carried out among different classes of organic compounds of natural and synthetic genesis.
K. V. Аleksandrova   +3 more
doaj   +1 more source

METHOD FOR MODULATING EICOSANOID MEDIATED IMMUNE RESPONSES IN ARTHROPODS [PDF]

open access: yes, 2000
The invention is directed to compositions which alter the health of invertebrate organisms by affecting eicosanoid mediated immune responses, and methods of using the compositions.
Stanley, David W.
core   +1 more source

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