Results 91 to 100 of about 26,147 (195)

Fluoreszenzlöschung von Stilben

CHIMIA, 1965
The quenching of the fluorescence of trans-stilbene in solution has been investigated. The quantum yield decreases strongly with increasing concentration of the solute (concentration quenching). On the other hand, the quenching effect of cis-stilbene and 1.1-diphenyl-ethylene is very small.
openaire   +2 more sources

Holographic Recording Materials Development [PDF]

Organic photorefractive materials were evaluated for application in a reversible holographic memory system. Representative indigo and thioindigo derivatives and several stilbene derivatives were studied as well as 15, 16-dialkyldihydropyrene derivatives ...
Craig, R. A., Perry, P. J., Schwerzel, R. E., Verber, C. M.   +3 more
core   +1 more source

Synthesis and study of polyhydroxylated phenol derivatives with potential cosmetic and phytoiatric applications [PDF]

, 2013
Tyrosinase (polyphenol oxidase, E.C. 1.14.18.1) and laccase (phenol oxidase, E.C. 1.10.3.2) are multifunctional copper-containing enzymes, that are keys in melanin biosynthesis, melanisation in animals and browning in plants.
Dallocchio, Roberto, Delogu, Giovanna, Dessì, Alessandro, Dettori, Maria Antonietta, Fabbri, Davide, Fois, Xenia, Pantaleoni, Roberto Antonio, Rocchitta, Gaia Giovanna Maria, Serra, Pier Andrea   +8 more
core  

Isolation and Identification of Secondary Metabolites in Rheum tataricum L.fil. Growing in Kazakhstan and Surveying of Its Anticancer Potential

Molecules
Rheum tataricum L.fil., known for its high tolerance to drought, salinity, and nutritional deficiency, is the least studied species of wild rhubarb. Extract of roots and rhizomes of R.
Aiman A. Turgunbayeva, Nurgul A. Sultanova, Mohammad Saleh Hamad, Victor A. Savelyev, Elena I. Chernyak, Irina Yu. Bagryanskaya, Mikhail A. Pokrovsky, Andrey G. Pokrovsky, Nadezhda G. Gemejiyeva, Elvira E. Shults   +9 more
doaj   +1 more source

Insight in the phenolic composition and antioxidative properties of Vitis vinifera leaves extracts [PDF]

, 2009
In the present investigation, leaf ethanolic extracts of Vitis vinifera were assayed for their polyphenolic composition and antioxidative properties. The leaves were collected during lush vegetation period (May leaves) and after the harvest (September ...
Ana Teskera, Danijela Skroza, I. Ljubenkov, Ivana Generalić, Ivana Konta, M. Boban, Višnja Katalinić   +6 more
core   +2 more sources

Stilbene Aldehyde [PDF]

, 2020
openaire   +1 more source

Ueber Nitro‐stilbene [PDF]

Berichte der deutschen chemischen Gesellschaft, 1906
Franz Sachs, Siegfried Hilpert
openaire   +3 more sources

Enantioconvergent Synthesis of Diarylmethane Drugs via Privileged Benzhydrol Intermediates. [PDF]

J Org Chem
Frank E, Flügel JL, d'Heureuse L, Woick S, Breder A.   +4 more
europepmc   +1 more source

Detoxification of conifer antimicrobial defenses promotes entomopathogenic fungus infection of bark beetles. [PDF]

Proc Natl Acad Sci U S A
Sun R, Hu B, Nakamura Y, Reichelt M, Jiang X, Luck K, Paetz C, Gershenzon J.   +7 more
europepmc   +1 more source

Stilbenes from Vine Extracts: Therapeutic Potential and Mechanisms. [PDF]

Int J Mol Sci
Brás LP, Luís Â, Chatel G, Socorro S, Duarte AP.   +4 more
europepmc   +1 more source