Results 51 to 60 of about 16,621,712 (406)

BIOLOGICAL ACTIVITY OF SUCCINIC ACIDS [PDF]

open access: yesBiotechnologia Acta, 2018
The aim of the research was to detect the biological activity of aqueous solutions of various samples of amber from the Trancedniestria province, and to characterize their effect on the physiological processes of higher plants.
N. Ya. Levchyck   +5 more
doaj   +1 more source

Biological Activity of Hexaazaisowurtzitane Derivatives

open access: yesMolecules, 2023
Biologically active compounds of natural or synthetic origin have a complex structure and generally contain various structural groups among which polycyclic cage amines are found.
Daria A. Kulagina   +10 more
doaj   +1 more source

Screening vaccine formulations for biological activity using fresh human whole blood. [PDF]

open access: yes, 2014
Understanding the relevant biological activity of any pharmaceutical formulation destined for human use is crucial. For vaccine-based formulations, activity must reflect the expected immune response, while for non-vaccine therapeutic agents, such as ...
Aboutorabian, Sepideh   +9 more
core   +1 more source

Surface mixing and biological activity in the four Eastern Boundary Upwelling Systems [PDF]

open access: yes, 2009
Eastern Boundary Upwelling Systems (EBUS) are characterized by a high productivity of plankton associated with large commercial fisheries, thus playing key biological and socio-economical roles.
Garcon, V.   +5 more
core   +6 more sources

Synthesis, characterisation and biological activity of gold(III) catecholate and related complexes [PDF]

open access: yes, 2003
The reactions of the cyclometallated gold(III) complexes [LAuCl₂] [L=2-(dimethylaminomethyl)phenyl, 2-benzylpyridyl or 2-anilinopyridyl] with catechol, tetrachlorocatechol, or the cyclic α,β-diketone SCH(CO2Et)C(O)C(O)CH(CO2Et) give stable complexes ...
Evans, Cameron   +3 more
core   +2 more sources

Biological markers of disease activity in inflammatory bowel diseases

open access: yesGastroenterology Review, 2023
Inflammatory bowel diseases (IBD) are chronic intestinal conditions of multifactorial aetiology including genetic susceptibility, immunological impairment, dysbiosis, and environmental factors.
Edyta Szymanska   +3 more
doaj   +1 more source

In vitro activities of Traganum nudatum and Mentha pulegium extracts combined with amphotericin B against Candida albicans in production of hydrolytic enzymes [PDF]

open access: yesCurrent Medical Mycology, 2020
Background and Purpose: Candida albicans is an important microorganism in the normal flora of a healthy subject; however, it has an expedient pathogenic character that induces hydrolytic virulence.
Ikram Tefiani   +2 more
doaj   +1 more source

Bubbles and denaturation in DNA [PDF]

open access: yes, 2006
The local opening of DNA is an intriguing phenomenon from a statistical physics point of view, but is also essential for its biological function. For instance, the transcription and replication of our genetic code can not take place without the unwinding
Altan-Bonnet   +47 more
core   +3 more sources

N-{4-[(2E)-3-(2H-1,3-Benzodioxol-5-yl)prop-2-enoyl]phenyl}quinoline-3-carboxamide

open access: yesMolbank, 2017
An amide chalconehas been synthesized in a two-step reaction. First, N-(4-acetylphenyl)quinoline-3-carboxamide 2 was synthesized by the reaction of quinoline-3-carboxylic acid 1 and thionyl chloride (SOCl2), following the addition of 4-aminoacetophenone.
Efrain Polo   +2 more
doaj   +1 more source

The biological activity of soluble antigen-antibody complexes: II. Physical properties of soluble complexes having skin-irritating activity [PDF]

open access: yes, 1959
Previous work by Germuth and McKinnon (1), Trapani et al. (2), and ourselves (3) has established the fact that soluble antigen-antibody complexes formed in excess antigen can, (a) induce symptoms similar to anaphylaxis, (b) cause contraction of isolated ...
Campbell, Dan H.   +2 more
core   +1 more source

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