نتایج جستجو برای: 10 anthraquinone

تعداد نتایج: 1018042  

Journal: :The journal of family planning and reproductive health care 2010
Aisling S Baird

©FSRH J Fam Plann Reprod Health Care 2010: 36(3) Background Extended Matching Questions (EMQs) will be introduced to the Part 2 written examination for Membership of the Faculty of Sexual and Reproductive Healthcare (MFSRH) in 2011. The present Short Answer Question (SAQ) paper will be replaced and work is well in hand to develop a bank of suitable questions, which beginning in late 2010 will b...

Journal: :Bioorganic & medicinal chemistry 2013
Ken-ichi Haruna Haruka Iida Sei-ichi Nishimoto Kazuhito Tanabe

A functionality for regulating hole transport efficiency is a prerequisite for the utilization of DNA duplexes as nanodevices. Herein, we report the regulation of hole transport in anthraquinone-tethered DNA with dual triplex forming sites. Long-range photooxidation experiments showed that hole transport was effectively suppressed by the formation of triplex at low temperature, while it was rec...

Journal: :Organic & biomolecular chemistry 2008
Hao-Tao Niu Dongdong Su Xueliang Jiang Wenzhi Yang Zhenming Yin Jiaqi He Jin-Pei Cheng

The nucleophilic nature of cyanide is used to create a simple, sensitive, and highly effective sensor, 2-(trifluoroacetylamino)anthraquinone (2-TFAQ), for the easy "naked-eye" detection of very low concentrations of cyanide in an aqueous environment.

Journal: :Physical chemistry chemical physics : PCCP 2015
Jingze Dai Juan Han Xuebo Chen Weihai Fang Jiani Ma David Lee Phillips

Using multi-configurational perturbation theory (CASPT2//CASSCF), a novel self-photoredox reaction for 2-(1-hydroxyethyl)-9,10-anthraquinone was proposed to effectively occur through two steps of triplet excited state intra-molecular proton transfer (ESIPT) reaction aided by water wires without the introduction of an external oxidant or reductant. The photoinduced charge transfer along the desi...

2015
Sambasivarao Kotha Rama Gunta

Various intricate propellane derivatives and oxa-bowls have been synthesized via a ring-rearrangement metathesis (RRM) as a key step starting from readily accessible starting materials such as p-benzoquinone, 1,4-naphthoquinone and 1,4-anthraquinone.

Journal: :Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology 2012
Norihiro Tada Yuki Ikebata Tomoya Nobuta Shin-ichi Hirashima Tsuyoshi Miura Akichika Itoh

This paper reports a useful method for facile direct syntheses of aromatic methyl esters from methyl aromatics by aerobic photo-oxidation using anthraquinone-2,3-dicarboxylic acid as an organophotocatalyst.

Journal: :Chemical communications 2007
Zoran Dzolić Massimo Cametti Antonella Dalla Cort Luigi Mandolini Mladen Zinić

Anthraquinone derived oxalamide gelator 1 forms with aromatic solvents and alcohols very stable gels which selectively respond to the presence of fluoride anion by colour change and/or gel-to-sol transition.

Journal: :Hong Kong medical journal = Xianggang yi xue za zhi 2006
T H Kwan M K H Tong K T Leung C K Lai W T Poon Y W Chan W H Lo T C Au

Chinese herbal medicine preparations are widely available and often regarded by the public as natural and safe remedies for a variety of medical conditions. Nephropathy caused by Chinese herbs has previously been reported, usually involving the use of aristolochic acids. We report a 23-year-old woman who developed acute renal failure following prolonged use of a proprietary Chinese herbal slimm...

2004
S. Luzzati A. Mozer P. Denk M. C Scharber M. Catellani N. O. Lupsac J. L. Segura N. Martin N. S. Sariciftci

The covalent linking of acceptor molecules to electron donating conjugated polymer is an approach for the development of new photoactive materials for the fabrication of organic photoelectric conversion devices. With this strategy we have designed a polyalkylthiophene copolymer series containing in the side chain anthraquinone molecules as electron acceptor. The peculiar features of the copolym...

Journal: :Applied and environmental microbiology 2004
Anne M Henstra Alfons J M Stams

Carboxydothermus hydrogenoformans is able to grow by conversion of CO to H2 and CO2. Besides CO, only pyruvate was described as serving as an energy source. Based on 16S rRNA gene sequence similarity, C. hydrogenoformans is closely related to Thermoterrabacterium ferrireducens. T. ferrireducens is like C. hydrogenoformans a gram-positive, thermophilic, strict anaerobic bacterium. However, it is...

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