نتایج جستجو برای: reversible ring
تعداد نتایج: 175854 فیلتر نتایج به سال:
Moclobemide is a selective and reversible monoamine oxidase-A inhibitor, which is used as an antidepressant. Three moclobemide analogues were synthesized by replacing moclobemide phenyl ring with substituted imidazoles. So, N-[(4-morpholinyl) ethyl)]-1-benzyl-2-(alkylthio)-1H-imidazole-5-carboxamides (7a-c) were synthesized and studied for the antidepressant activity using forced swimming test ...
Abstract Micro Ring Resonator (MRR) is a successful micro-device with the help of which different types optical logic gates, processors, arithmetic units, etc. can be designed and integrated easily into modern high-speed communication network. In this article, at first, author has explained switching mechanism MRR then an optically controlled Feynman gate (i.e. reversible controlled-Not gate) u...
BACKGROUND The rate of unintended pregnancy in the United States is much higher than in other developed nations. Approximately half of unintended pregnancies are due to contraceptive failure, largely owing to inconsistent or incorrect use. METHODS We designed a large prospective cohort study to promote the use of long-acting reversible contraceptive methods as a means of reducing unintended p...
IS IT REALLY REVERSIBLE? In the January/February 2001 issue of the Journal of Refractive Surgery, Asbell and colleagues reported the reversible effect of the intrastromal corneal ring segments (Intacs). 1 They presented compelling evidence to suggest that Intacs can be removed with full reversibility of refractive effect. This is the first corneal refractive surgical procedure to claim reversib...
Cyclopentadienylcobalt complexes of linear [4]phenylene undergo thermally reversible photoinduced metallahaptotropism between the inner and outer cyclobutadiene ring.
Reversible fluorescence photoswitching of RSA-AZO dyad 1 was clearly demonstrated in an acidic aqueous solution. The fluorescence photoswitching mechanism is based on the reversible ring opening/closing reactions of the RSA unit induced by a photochromic pK(a) change along with the photoisomerization of the AZO unit.
A [2+2] cycloaddition reaction has been observed in a number of solids. The cyclobutane ring in a photodimerized material can be cleaved into olefins by UV light and heat. The high thermal stability of the metal-organic salt K2SDC (H2SDC = 4,4'-stilbenedicarboxylic acid) has been successfully utilized to investigate the reversible cleavage of a cyclobutane ring. The two polymorphs of K2SDC unde...
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