نتایج جستجو برای: imidazolone

تعداد نتایج: 93  

Journal: :Diabetes 2003
Keshore R Bidasee Karuna Nallani Yongqi Yu Ross R Cocklin Yinong Zhang Mu Wang U Deniz Dincer Henry R Besch

Decrease in cardiac contractility is a hallmark of chronic diabetes. Previously we showed that this defect results, at least in part, from a dysfunction of the type 2 ryanodine receptor calcium-release channel (RyR2). The mechanism(s) underlying RyR2 dysfunction is not fully understood. The present study was designed to determine whether non-cross-linking advanced glycation end products (AGEs) ...

Journal: :Photochemistry and photobiology 2010
Byeong Hwa Yun Peter C Dedon Nicholas E Geacintov Vladimir Shafirovich

The photosensitized hole injection and guanine base damage phenomena have been investigated in the DNA sequence, 5'-d(CATG(1)(Py)CG(2)TCCTAC) with a site-specifically positioned pyrene-like (Py) benzo[a]pyrene 7,8-diol 9,10-epoxide-derived N(2)-guanine adduct (G(1)(Py)). Generation of the Py radical cation and subsequent hole injection into the DNA strand by a 355 nm nanosecond laser pulses (ap...

A Patel G Talele J Patel M Sarangapani S Bari

Some new 3-[(5-benzylidene-2-phenyl)-3, 5-dihydro-4-H-imidazol-4-one-3-(4-bezoylhydrazono)]-indole-2-ones (VIII) have been synthesized from different isatinhydrazones (II) by condensing with 2-phenyl-5-benzylidene- 3-N (4-acetyl phenyl)-1, 5-dihydro-imidazol-4-one (VII). Their chemical structures have been confirmed by IR, 1HNMR, MASS and by elemental analysis. Investigation of antimicrobial ac...

2017
Mahmoud Mohamed Abdelall

A new series of heterocycles incorporating antipyrine moiety were synthesized via reactions of 4-aminoantipyrine 1 with carbon disulphide then alkylation and /or chloroacetic acid to produce dithiocarbamate and rhodanine 3, 4 and 9. Multi-component reaction (MCR) of 4-aminoantipyrine with carbon disulfide and DMAD afforded rhodanine 7. The interaction of 9 with diazonium salt, DMF-DMA, nitrous ...

Journal: :Surgery for Obesity and Related Diseases 2021

Background Roux-en-Y gastric bypass (RYGB) surgery is an effective treatment for obesity, which improves cardiovascular health and reduces the risk of premature mortality. However, some reports have suggested that RYGB may predispose patients to adverse outcomes, such as inflammatory bowel disease (IBD) colorectal cancer. Objectives The present prospective study aimed evaluate impact on factors...

2015
Waseem Ahmad

Objective: The objective of the present study to investigate photooxidation of PC in presence of thermally generated triplet excited ketones and in presence of photosensitizers rose bengal and riboflavin. Methods: The Photooxidation of antiviral drug penciclovir was studied under different reaction conditions. First we treated the penciclovir (PC 1) with triplet excited ketones, which have been...

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