نتایج جستجو برای: anthraquinone
تعداد نتایج: 1891 فیلتر نتایج به سال:
An anthraquinone-based fluorescent quencher is described that is applicable to fluorophores throughout the visible spectrum and into the near IR. This species has been used to construct a palate of multicolour sensors of proteolysis and photolysis.
New anthraquinone derivatives were prepared and used as active layers of organic field-effect transistors (OFETs); these devices showed good n-type characteristics and the quinones were found to be useful for organic semiconductors in OFETs.
we have two part in this thesis, at first: the interaction of native calf thymus dna (ct-dna) with two anthraquinones including quinizarin (1,4- dihydroxy anthraquinone) and danthron (1,8- dihydroxy anthraquinone) in a mixture of 0.04 m brittone-robinson buffer and 50% of ethanol were studied at physiological ph by uv-vis absorption, florescence, circular dichroism spectroscopic methods, viscos...
1Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health, Johns Hopkins University, USA 2Data Analytics center, Kangwon National University, Korea 3Leadership Development Division, The Catholic Education Foundation, Korea 4Performance Improvement Team, Seoul St. Mary’s Hospital, The Catholic University of Korea, Korea 5Center for Patient Education, The Care Q...
©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...
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...
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.
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...
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.
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.
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