نتایج جستجو برای: poly o anisidine

تعداد نتایج: 629789  

2017
Rodrigo P. Feliciano Charlotte E. Mills Geoffrey Istas Christian Heiss Ana Rodriguez-Mateos

The beneficial health effects of cranberries have been attributed to their (poly)phenol content. Recent studies have investigated the absorption, metabolism and excretion of cranberry (poly)phenols; however, little is known about whether they follow a dose response in vivo at different levels of intake. An acute double-blind randomized controlled trial in 10 healthy men with cranberry juices co...

Jalal Albadi, Moloud Khoshakhlagh Nasir Iravani

Poly(4-vinylpyridine)-supported copper iodide nanoparticles is reported as a new, green and recyclable catalyst for the synthesis of aryl-14H-dibenzo [a-o] xanthenes under solvent-free conditions. This catalyst can be recovered by simple filtration and recycled up to 8 consecutive runs without any loss of their efficiency.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم پایه 1393

برهمکنش رنگینه آزور a با پلی نوکلئوتیدهای سنتزی poly [ ( a-t ) ] و poly [ ( g-c ) ]و دزوکسی ریبونوکلئیک اسید (dna) غده تیموس گوساله در در بافر فسفات 5/7 میلی مولار با ph 2/7 با استفاده از تکنیک اسپکتروسکوپی جذب نوری مطالعه شده است. اثرات هیپوکرومیک قوی در طیف جذبی و وجود نقطه ایزوبستیک در طیف uv-vis تیتراسیون رنگینه با پلی نوکلئوتید poly [ ( g-c ) ] یک برهمکنش همگن را تایید می کند . ثابت های ظ...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1974
R W Tennant M G Hanna J G Farrelly

Poly(2'-O-methyladenylic acid) [poly(Am)] inhibited tumor development and death induced by the Moloney sarcoma virus-leukemia virus complex in newborn mice. The compound was effective at 10 mug per mouse when given at least 1 hr before inoculation of virus, but the greatest inhibition was seen in mice treated at least 4 hr before infection. Poly(2'-O-methyluridylic acid) and poly(vinyladenine) ...

Journal: :Chemical communications 2016
Chunchang Zhao Jiancai An Li Zhou Qiang Fei Feiyi Wang Jie Tan Ben Shi Rui Wang Zhiqian Guo Wei-Hong Zhu

Two novel probes were designed, sharing the same BODIPY core but differing only by a minimized variation in the recognition site from 4-hydroxyaniline into 4-methoxyaniline. Such a small change in the reaction site could switch the selective detection from peroxynitrite to HOCl. Undoubtedly, the new designed BODIPY core exhibits valuable properties.

2012
Zhan-Ling Ma

In the title coordination polymer, [Cd(C(16)H(12)O(8)S)(H(2)O)(2)](n), the Cd(II) ion is situated on a crystallographic twofold rotation axis, being coordinated by four O atoms from two bidentate 4,4'-[sulfonyl-bis-(1,4-phenyl-ene-oxy)]diacetate (L) ligands and two water mol-ecules in a highly distorted CdO(6) octa-hedral geometry. Each complete ligand L, which is also generated by twofold symm...

2009
Bi-Song Zhang

The hydro-thermal reaction of SrCO(3) and 2-bromo-benzoic acid in CH(3)OH-H(2)O afforded the Sr(II) title polymeric complex, [Sr(C(7)H(4)BrO(2))(2)(H(2)O)(2)](n). Within the coordination sphere, the Sr(II) ion is located on a crystallographic twofold axis, and is coordinated by eight O atoms from two water mol-ecules and four carboxyl-ate groups of 2-bromo-benzoate ligands in an irregular coord...

Journal: :Journal of molecular biology 1968
W Doerfler D S Hogness

Each of the intact complementary strands of DNA from bacteriophage /\ has been isolated by virtue of the different buoyant densities they exhibit in alkaline C&l. Preparations of a given strand are free ( < 1%) of the other strand and do not contain detectable amounts of fragments. Individual &ran& exhibit no significant activity for the genes of X in the helper-phagge assay of Kaiser BE Hognes...

2009
Bo Liu Qiang Xu

The title compound, [Zn(C(14)H(8)N(2)O(4))(H(2)O)(2)](n), consists of zigzag chains of Zn atoms bridged by azobenzene-4,4'-dicarboxyl-ate ligands. The Zn(II) atom, lying on a twofold rotation axis, is coordinated by four O atoms from the carboxyl-ate groups and two water mol-ecules, giving rise to a considerably distorted octa-hedral coordination envionment. The ligand lies on an inversion cent...

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