Fouling Control by New Egyptian Natural Sources in Marine Aquaculture

2019 ◽  
Vol 9 (1) ◽  
Keyword(s):  
Marine Aquaculture ◽  
Natural Sources ◽  
Fouling Control

Secunder prevention of prostate cancer progression with bioactive agents from natural sources to have life quality under control

2010 ◽  
Vol 48 (05) ◽  
Author(s):  
A Blázovics ◽  
P Nyirády ◽  
K Szentmihályi ◽  
G Bekő ◽  
M Sz((udblac)cs ◽  
...  
Keyword(s):  
Prostate Cancer ◽  
Cancer Progression ◽  
Life Quality ◽  
Prostate Cancer Progression ◽  
Natural Sources ◽  
Bioactive Agents

Design, 22-step synthesis, and evaluation of highly potent D-ring modified and linker-equipped analogs of spongistatin 1

2018 ◽  
Author(s):  
James Leighton ◽  
Linda M. Suen ◽  
Makeda A. Tekle-Smith ◽  
Kevin S. Williamson ◽  
Joshua R. Infantine ◽  
...  
Keyword(s):  
Targeted Delivery ◽  
Functional Group ◽  
Human Cancer ◽  
Natural Sources ◽  
Spongistatin 1 ◽  
Human Cancer Cell Lines ◽  
Drug Conjugates ◽  
Attractive Candidate ◽  
Complex Fragment ◽  
Antibody Drug

With an average GI50 value against the NCI panel of 60 human cancer cell lines of 0.12 nM, spongistatin 1 is among the most potent anti-proliferative agents ever discovered rendering it an attractive candidate for development as a payload for antibody-drug conjugates and other targeted delivery approaches. It is unavailable from natural sources and its size and complex stereostructure render chemical synthesis highly time- and resource-intensive, however, and its development requires more efficient and step-economical synthetic access. Using novel and uniquely enabling direct complex fragment coupling alkallyl- and crotylsilylation reactions, we have developed a 22-step synthesis of a rationally designed D-ring modified analog of spongistatin 1 that is equipotent with the natural product, and have used that synthesis to establish that the C(15) acetate may be replaced with a linker functional group-bearing ester with only minimal reductions in potency.<br><div><br></div>

THE MORPHOLOGY AND PROPERTIES OF CHITIN-GLUCAN COMPLEXES OBTAINED FROM VARIOUS NATURAL SOURCES

2018 ◽  
Vol 3 (3) ◽  
pp. 8-12 ◽  
Author(s):  
D.V. Zhiltsov ◽  
◽  
O.S. Brovko ◽  
I.A. Palamarchuk ◽  
T.A. Boitsova ◽  
...  
Keyword(s):  
Natural Sources

Inulin: natural sources, features of metabolism in plants and practical application

Biomics ◽  
2020 ◽  
Vol 12 (1) ◽  
pp. 57-79
Author(s):  
E.R. Serbaeva ◽  
A.B. Yakupova ◽  
Yu.R. Magasumova ◽  
K.A. Farkhutdinova ◽  
G.R. Akhmetova ◽  
...  
Keyword(s):  
Practical Application ◽  
Natural Sources
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