Design and synthesis of novel sugar-oxasteroid-quinone hybrids.

Kaliappan KP, Ravikumar V

Mild, efficient, selective and "green" benzoylation of nucleosides using benzoyl cyanide in ionic liquid.

Prasad AK, Kumar V, Maity J, Sanghvi YS, Ravikumar VT, Parmar VS

Effect of Tridax procumbens on liver antioxidant defense system during lipopolysaccharide-induced hepatitis in D-galactosamine sensitised rats.

Ravikumar V, Shivashangari KS, Devaki T

Whirlpool sign in small-bowel volvulus due to a mesenteric cyst.

Vijayaraghavan SB, Ravikumar VR, Srimathy G

Formation of 4,4'-dimethoxytrityl-C-phosphonate oligonucleotides.

Capaldi DC, Gaus HJ, Carty RL, Moore MN, Turney BJ, Decottignies SD, McArdle JV, Scozzari AN, Ravikumar VT, Krotz AH

Evaluation of the protective efficacy of Asteracantha longifolia on acetaminophen-induced liver damage in rats.

Shivashangari KS, Ravikumar V, Devaki T

Synthesis and biological evaluation of 2,3-diarylpyrazines and quinoxalines as selective COX-2 inhibitors.

Singh SK, Saibaba V, Ravikumar V, Rudrawar SV, Daga P, Rao CS, Akhila V, Hegde P, Rao YK

Biologically active antisense phosphorothioate oligodeoxyribonucleotides: synthesis, characterization, and studies of 3'-terminal phosphorothioate monoester analogues.

Ravikumar VT, Lima WF, Van Sooy K, Turney B

Human RNase H1 uses one tryptophan and two lysines to position the enzyme at the 3'-DNA/5'-RNA terminus of the heteroduplex substrate.

Lima WF, Wu H, Nichols JG, Prakash TP, Ravikumar V, Crooke ST

Antisense phosphorothioate oligodeoxyribonucleotide targeted against ICAM-1: synthetic and biological characterization of a process-related impurity formed during oligonucleotide synthesis.

Ravikumar VT, Capaldi DC, Lima WF, Lesnik E, Turney B, Cole DL

Diastereomeric process control in the synthesis of 2'-O-(2-methoxyethyl) oligoribonucleotide phosphorothioates as antisense drugs.

Ravikumar VT, Cole DL

Synthesis of high quality phosphorothioate oligonucleotides as antisense drugs. Use of I-linker in the elimination of 3'-terminal phosphorothioate monoesters.

Ravikumar VT, Kumar RK, Capaldi DC, Cole DL

Understanding high diastereomeric discrimination in formation of oligoribonucleotide phosphorothioate linkages: the first study of pKa-dependent activation in solid-supported coupling of 2'-O-substituted ribonucleoside phosphoramidites.

Ravikumar VT, Cole DL

2-Methyl-5-tert-butylthiophenol--an odorless deprotecting reagent useful in synthesis of oligonucleotides and their analogs.

Kumar RK, Cole DL, Ravikumar VT

Solid phase synthesis of phosphorothioate oligonucleotides utilizing diethyldithiocarbonate disulfide (DDD) as an efficient sulfur transfer reagent.

Cheruvallath ZS, Kumar RK, Rentel C, Cole DL, Ravikumar VT