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T Ramasarma

Explore the profile of T Ramasarma including associated specialties, affiliations and a list of published articles. Areas
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Articles 196
Citations 745
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Recent Articles
1.
Ramasarma T, Vaigundan D
Biochem Biophys Res Commun . 2019 May; 514(3):772-776. PMID: 31079924
Superoxide dismutase, known to gain large rate enhancement on dimerization, forms a homodimer stabilized by hydrogen bonding between a number of internal water molecules and a few amino acid residues...
2.
Ramasarma T, Vaigundan D
Biochem Biophys Res Commun . 2019 Jan; 510(2):261-265. PMID: 30686530
Pathways formed of delocalized π-electron systems and polar groups of polypeptide chains bridged by hydrogen bonds are referred as π-H pathways. Suitable for electron transfer, these pathways in cytochrome c...
3.
Ramasarma T, Vaigundan D
Biochem Biophys Res Commun . 2018 Oct; 505(2):445-447. PMID: 30268500
The bridging element for electron transfer in proteins is the hydrogen bond according to the new experimental perspective in preference to carbon-carbon σ-bond presently used. The purpose of this study...
4.
Ramasarma T, Vaigundan D
Mol Cell Biochem . 2018 Sep; 453(1-2):197-203. PMID: 30194583
Electron transfer occurs through heme-Fe across the cytochrome c protein. The current models of long range electron transfer pathways in proteins include covalent σ-bonds, van der Waals forces, and through...
5.
Ramasarma T
Indian J Exp Biol . 2018 Sep; 54(11):688-99. PMID: 30179380
Molecular oxygen, a diradical, needs intervention of redox metal ions or other radicals to receive electrons for its reduction. The oxygen radicals thus produced are responsible for oxygen toxicity and...
6.
Chatterjee N, Anwar T, Islam N, Ramasarma T, Ramakrishna G
Mol Cell Biochem . 2016 Nov; 424(1-2):209-210. PMID: 27796681
No abstract available.
7.
Chatterjee N, Anwar T, Islam N, Ramasarma T, Ramakrishna G
Mol Cell Biochem . 2016 Jul; 420(1-2):9-20. PMID: 27435854
Hydrogen peroxide is often required in sublethal, millimolar concentrations to show its oxidant effects on cells in culture as it is easily destroyed by cellular catalase. Previously, we had shown...
8.
Ramasarma T, Rafi M
Indian J Exp Biol . 2016 Mar; 54(2):83-99. PMID: 26934776
Digestion of food in the intestines converts the compacted storage carbohydrates, starch and glycogen, to glucose. After each meal, a flux of glucose (> 200 g) passes through the blood...
9.
Ramasarma T, Rao A, Devi M, Omkumar R, Bhagyashree K, Bhat S
Mol Cell Biochem . 2014 Nov; 400(1-2):277-85. PMID: 25416864
Autoxidation of pyrogallol in alkaline medium is characterized by increases in oxygen consumption, absorbance at 440 nm, and absorbance at 600 nm. The primary products are H2O2 by reduction of...
10.
Ramasarma T
Indian J Biochem Biophys . 2012 Dec; 49(5):295-305. PMID: 23259316
Hydroxyl radicals (HO*) are derived in Fenton reaction with ferrous salt and H2O2 in acid medium, and at neutral pH, metal-oxyl radicals (M-O*) predominate. Evidence is accumulating that M-O* radicals...