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Items: 1 to 50 of 215

1.

Palladium catalyzed carbonylative annulation of the C(sp2)-H bond of N,1-diaryl-1H-tetrazol-5-amines and N,4-diaryl-4H-triazol-3-amines to quinazolinones.

Chandrasekhar A, Ramkumar V, Sankararaman S.

Org Biomol Chem. 2018 Nov 1. doi: 10.1039/c8ob02516a. [Epub ahead of print]

PMID:
30383058
2.

The Endocannabinoid/Cannabinoid Receptor 2 System Protects Against Cisplatin-Induced Hearing Loss.

Ghosh S, Sheth S, Sheehan K, Mukherjea D, Dhukhwa A, Borse V, Rybak LP, Ramkumar V.

Front Cell Neurosci. 2018 Aug 21;12:271. doi: 10.3389/fncel.2018.00271. eCollection 2018.

3.

School-based language screening among primary school children using telepractice: A feasibility study from India.

Raman N, Nagarajan R, Venkatesh L, Monica DS, Ramkumar V, Krumm M.

Int J Speech Lang Pathol. 2018 Sep 2:1-10. doi: 10.1080/17549507.2018.1493142. [Epub ahead of print]

PMID:
30175626
4.

Effect of intravenous dexmedetomidine administered as bolus or as bolus-plus-infusion on subarachnoid anesthesia with hyperbaric bupivacaine.

Kavya UR, Laxmi S, Ramkumar V.

J Anaesthesiol Clin Pharmacol. 2018 Jan-Mar;34(1):46-50. doi: 10.4103/joacp.JOACP_132_16.

5.

Trans-Tympanic Drug Delivery for the Treatment of Ototoxicity.

Sheehan K, Sheth S, Mukherjea D, Rybak LP, Ramkumar V.

J Vis Exp. 2018 Mar 16;(133). doi: 10.3791/56564.

PMID:
29608150
6.

Cost and outcome of a community-based paediatric hearing screening programme in rural India with application of tele-audiology for follow-up diagnostic hearing assessment.

Ramkumar V, John KR, Selvakumar K, Vanaja CS, Nagarajan R, Hall JW.

Int J Audiol. 2018 Jun;57(6):407-414. doi: 10.1080/14992027.2018.1442592. Epub 2018 Feb 28.

PMID:
29490519
7.

Electron Precise Group 5 Dimetallaheteroboranes [{CpV(μ-EPh)}2{μ-η22-BH3E}] and [{CpNb(μ-EPh)}2{μ-η22-B2H4E}] (E = S or Se).

Chowdhury MG, Barik SK, Saha K, Kirubakaran B, Banerjee A, Ramkumar V, Ghosh S.

Inorg Chem. 2018 Feb 5;57(3):985-994. doi: 10.1021/acs.inorgchem.7b02305. Epub 2018 Jan 16.

PMID:
29336563
8.

Validation of DPOAE screening conducted by village health workers in a rural community with real-time click evoked tele-auditory brainstem response.

Ramkumar V, Vanaja CS, Hall JW, Selvakumar K, Nagarajan R.

Int J Audiol. 2018 May;57(5):370-375. doi: 10.1080/14992027.2018.1425001. Epub 2018 Jan 15.

PMID:
29334277
9.

Nb and Ta benzotriazole or benzoxazole phenoxide complexes as catalysts for the ring-opening polymerization of glycidol to synthesize hyperbranched polyglycerols.

Pappuru S, Chakraborty D, Ramkumar V.

Dalton Trans. 2017 Dec 21;46(47):16640-16654. doi: 10.1039/c7dt02839c. Epub 2017 Nov 23.

PMID:
29168518
10.

Mechanisms of Cisplatin-Induced Ototoxicity and Otoprotection.

Sheth S, Mukherjea D, Rybak LP, Ramkumar V.

Front Cell Neurosci. 2017 Oct 27;11:338. doi: 10.3389/fncel.2017.00338. eCollection 2017. Review.

11.

ROS-mediated cytotoxic activity of ZnO and CeO2 nanoparticles synthesized using the Rubia cordifolia L. leaf extract on MG-63 human osteosarcoma cell lines.

Sisubalan N, Ramkumar VS, Pugazhendhi A, Karthikeyan C, Indira K, Gopinath K, Hameed ASH, Basha MHG.

Environ Sci Pollut Res Int. 2018 Apr;25(11):10482-10492. doi: 10.1007/s11356-017-0003-5. Epub 2017 Sep 29.

PMID:
28963600
12.

Epigallocatechin-3-gallate, a prototypic chemopreventative agent for protection against cisplatin-based ototoxicity.

Borse V, Al Aameri RFH, Sheehan K, Sheth S, Kaur T, Mukherjea D, Tupal S, Lowy M, Ghosh S, Dhukhwa A, Bhatta P, Rybak LP, Ramkumar V.

Cell Death Dis. 2017 Jul 13;8(7):e2921. doi: 10.1038/cddis.2017.314.

13.

Correction: Triamide macrocyclic chloride receptors via a one-pot tandem reduction-condensation-cyclization reaction.

Behera H, Ramkumar V, Madhavan N.

Org Biomol Chem. 2017 Jun 14;15(23):5098. doi: 10.1039/c7ob90081c.

PMID:
28612870
14.

Synthesis of platinum nanoparticles using seaweed Padina gymnospora and their catalytic activity as PVP/PtNPs nanocomposite towards biological applications.

Ramkumar VS, Pugazhendhi A, Prakash S, Ahila NK, Vinoj G, Selvam S, Kumar G, Kannapiran E, Rajendran RB.

Biomed Pharmacother. 2017 Aug;92:479-490. doi: 10.1016/j.biopha.2017.05.076. Epub 2017 May 29.

PMID:
28570982
15.

Triamide macrocyclic chloride receptors via a one-pot tandem reduction-condensation-cyclization reaction.

Behera H, Ramkumar V, Madhavan N.

Org Biomol Chem. 2017 Jun 14;15(23):4937-4940. doi: 10.1039/c7ob00642j.

PMID:
28485420
16.

Tonic suppression of PCAT29 by the IL-6 signaling pathway in prostate cancer: Reversal by resveratrol.

Al Aameri RFH, Sheth S, Alanisi EMA, Borse V, Mukherjea D, Rybak LP, Ramkumar V.

PLoS One. 2017 May 3;12(5):e0177198. doi: 10.1371/journal.pone.0177198. eCollection 2017.

17.

Biofabrication and characterization of silver nanoparticles using aqueous extract of seaweed Enteromorpha compressa and its biomedical properties.

Ramkumar VS, Pugazhendhi A, Gopalakrishnan K, Sivagurunathan P, Saratale GD, Dung TNB, Kannapiran E.

Biotechnol Rep (Amst). 2017 Feb 10;14:1-7. doi: 10.1016/j.btre.2017.02.001. eCollection 2017 Mar.

18.

Republication: All India Difficult Airway Association 2016 Guidelines for Tracheal Intubation in the Intensive Care Unit.

Myatra SN, Ahmed SM, Kundra P, Garg R, Ramkumar V, Patwa A, Shah A, Raveendra US, Shetty SR, Doctor JR, Pawar DK, Ramesh S, Das S, Divatia JV.

Indian J Crit Care Med. 2017 Mar;21(3):146-153. doi: 10.4103/ijccm.IJCCM_57_17.

19.

Evaluation of Cr(VI) reduction mechanism and removal by Cellulosimicrobium funkei strain AR8, a novel haloalkaliphilic bacterium.

Karthik C, Barathi S, Pugazhendhi A, Ramkumar VS, Thi NBD, Arulselvi PI.

J Hazard Mater. 2017 Jul 5;333:42-53. doi: 10.1016/j.jhazmat.2017.03.037. Epub 2017 Mar 18.

PMID:
28340388
20.

School entry level tele-hearing screening in a town in South India - Lessons learnt.

Monica SD, Ramkumar V, Krumm M, Raman N, Nagarajan R, Venkatesh L.

Int J Pediatr Otorhinolaryngol. 2017 Jan;92:130-135. doi: 10.1016/j.ijporl.2016.11.021. Epub 2016 Nov 22.

PMID:
28012514
21.

Sulfamide-Lattice Restructuring To Form Dimensionally Controlled Molecular Arrays and Gel-Forming Systems.

Raghava SV, Gopinath P, Srivastava BK, Ramkumar V, Muraleedharan KM.

Chemistry. 2017 Mar 13;23(15):3658-3665. doi: 10.1002/chem.201604911. Epub 2017 Feb 9.

PMID:
28004423
22.

The All India Difficult Airway Association 2016 guidelines for tracheal intubation in the Intensive Care Unit.

Myatra SN, Ahmed SM, Kundra P, Garg R, Ramkumar V, Patwa A, Shah A, Raveendra US, Shetty SR, Doctor JR, Pawar DK, Ramesh S, Das S, Divatia JV.

Indian J Anaesth. 2016 Dec;60(12):922-930. doi: 10.4103/0019-5049.195485.

23.

All India Difficult Airway Association 2016 guidelines for the management of anticipated difficult extubation.

Kundra P, Garg R, Patwa A, Ahmed SM, Ramkumar V, Shah A, Divatia JV, Shetty SR, Raveendra US, Doctor JR, Pawar DK, Singaravelu R, Das S, Myatra SN.

Indian J Anaesth. 2016 Dec;60(12):915-921. doi: 10.4103/0019-5049.195484.

24.

All India Difficult Airway Association 2016 guidelines for the management of unanticipated difficult tracheal intubation in Paediatrics.

Pawar DK, Doctor JR, Raveendra US, Ramesh S, Shetty SR, Divatia JV, Myatra SN, Shah A, Garg R, Kundra P, Patwa A, Ahmed SM, Das S, Ramkumar V.

Indian J Anaesth. 2016 Dec;60(12):906-914. doi: 10.4103/0019-5049.195483.

25.

All India Difficult Airway Association 2016 guidelines for the management of unanticipated difficult tracheal intubation in obstetrics.

Ramkumar V, Dinesh E, Shetty SR, Shah A, Kundra P, Das S, Myatra SN, Ahmed SM, Divatia JV, Patwa A, Garg R, Raveendra US, Doctor JR, Pawar DK, Ramesh S.

Indian J Anaesth. 2016 Dec;60(12):899-905. doi: 10.4103/0019-5049.195482.

26.

All India Difficult Airway Association 2016 guidelines for the management of unanticipated difficult tracheal intubation in adults.

Myatra SN, Shah A, Kundra P, Patwa A, Ramkumar V, Divatia JV, Raveendra US, Shetty SR, Ahmed SM, Doctor JR, Pawar DK, Ramesh S, Das S, Garg R.

Indian J Anaesth. 2016 Dec;60(12):885-898. doi: 10.4103/0019-5049.195481.

27.

Airway management guidelines: A safe passage to India.

Ramkumar V, Divatia JV.

Indian J Anaesth. 2016 Dec;60(12):883-884. doi: 10.4103/0019-5049.195480. No abstract available.

28.

A review on the biosynthesis of metallic nanoparticles (gold and silver) using bio-components of microalgae: Formation mechanism and applications.

Shankar PD, Shobana S, Karuppusamy I, Pugazhendhi A, Ramkumar VS, Arvindnarayan S, Kumar G.

Enzyme Microb Technol. 2016 Dec;95:28-44. doi: 10.1016/j.enzmictec.2016.10.015. Epub 2016 Oct 29. Review.

PMID:
27866624
29.

In vitro-Scientific evaluation on antimicrobial, antioxidant, cytotoxic properties and phytochemical constituents of traditional coastal medicinal plants.

Prakash S, Ramasubburayan R, Ramkumar VS, Kannapiran E, Palavesam A, Immanuel G.

Biomed Pharmacother. 2016 Oct;83:648-657. doi: 10.1016/j.biopha.2016.07.019. Epub 2016 Jul 25.

PMID:
27459122
30.

Synthesis of stable nanosilver particles (AgNPs) by the proteins of seagrass Syringodium isoetifolium and its biomedicinal properties.

Ahila NK, Ramkumar VS, Prakash S, Manikandan B, Ravindran J, Dhanalakshmi PK, Kannapiran E.

Biomed Pharmacother. 2016 Dec;84:60-70. doi: 10.1016/j.biopha.2016.09.004. Epub 2016 Sep 14.

PMID:
27636513
31.

Parents' perceptions of tele-audiological testing in a rural hearing screening program in South India.

Ramkumar V, Selvakumar K, Vanaja CS, Hall JW, Nagarajan R, Neethi J.

Int J Pediatr Otorhinolaryngol. 2016 Oct;89:60-6. doi: 10.1016/j.ijporl.2016.07.028. Epub 2016 Jul 25.

PMID:
27619030
32.

Nasolacrimal duct obstruction: Does it really increase the risk of amblyopia in children?

Ramkumar VA, Agarkar S, Mukherjee B.

Indian J Ophthalmol. 2016 Jul;64(7):496-9. doi: 10.4103/0301-4738.190101.

33.

Implementation of WHO Near-Miss Approach for Maternal Health at a Tertiary Care Hospital: An Audit.

Venkatesh S, Chinmayi, Ramkumar V, Sheela CN, Thomas A.

J Obstet Gynaecol India. 2016 Aug;66(4):259-62. doi: 10.1007/s13224-015-0684-y. Epub 2015 Mar 15.

34.

New Trinuclear Complexes of Group 6, 8, and 9 Metals with a Triply Bridging Borylene Ligand.

Yuvaraj K, Bhattacharyya M, Prakash R, Ramkumar V, Ghosh S.

Chemistry. 2016 Jun 20;22(26):8889-96. doi: 10.1002/chem.201600637. Epub 2016 May 24.

PMID:
27218603
35.

Adenosine A1 Receptor Protects Against Cisplatin Ototoxicity by Suppressing the NOX3/STAT1 Inflammatory Pathway in the Cochlea.

Kaur T, Borse V, Sheth S, Sheehan K, Ghosh S, Tupal S, Jajoo S, Mukherjea D, Rybak LP, Ramkumar V.

J Neurosci. 2016 Apr 6;36(14):3962-77. doi: 10.1523/JNEUROSCI.3111-15.2016.

36.

Author's reply.

Rex C, Ramkumar V, Jaleel JI, Anand P, Balaji SC, Zakki SA.

Indian J Orthop. 2016 Jan-Feb;50(1):109. doi: 10.4103/0019-5413.173511. No abstract available.

37.

Group 4 metal complexes of Trost's semi-crown ligand: synthesis, structural characterization and studies on the ring-opening polymerization of lactides and ε-caprolactone.

Rajashekhar B, Roymuhury SK, Chakraborty D, Ramkumar V.

Dalton Trans. 2015 Oct 7;44(37):16280-93. doi: 10.1039/c5dt02267c.

PMID:
26262508
38.

Cation-Transporting Peptides: Scaffolds for Functionalized Pores?

Behera H, Ramkumar V, Madhavan N.

Chemistry. 2015 Jul 6;21(28):10179-84. doi: 10.1002/chem.201500881. Epub 2015 Jun 3.

PMID:
26041642
40.

Effect of positive airway pressure during pre-oxygenation and induction of anaesthesia upon safe duration of apnoea.

Sreejit MS, Ramkumar V.

Indian J Anaesth. 2015 Apr;59(4):216-21. doi: 10.4103/0019-5049.154998.

41.

Crystal structure of 2,4-bis-(2-chloro-phen-yl)-7-tert-pent-yl-3-aza-bicyclo[3.3.1]nonan-9-one.

Park DH, Ramkumar V, Parthiban P.

Acta Crystallogr Sect E Struct Rep Online. 2014 Oct 15;70(Pt 11):o1161-2. doi: 10.1107/S160053681402176X. eCollection 2014 Nov 1.

42.

Crystal structure of 2,6-bis-(2,5-di-meth-oxy-phen-yl)-3,5-di-methyl-piperidin-4-one.

Park DH, Ramkumar V, Parthiban P.

Acta Crystallogr Sect E Struct Rep Online. 2014 Oct 15;70(Pt 11):o1160. doi: 10.1107/S1600536814022041. eCollection 2014 Nov 1.

43.

Early investigational drugs for hearing loss.

Mukherjea D, Ghosh S, Bhatta P, Sheth S, Tupal S, Borse V, Brozoski T, Sheehan KE, Rybak LP, Ramkumar V.

Expert Opin Investig Drugs. 2015 Feb;24(2):201-17. doi: 10.1517/13543784.2015.960076. Epub 2014 Sep 22. Review.

44.

Acute respiratory distress in a silversmith.

Parikh JM, Dhareshwar S, Sharma A, Karanth R, Ramkumar VS, Ramaiah I.

Indian J Occup Environ Med. 2014 Jan;18(1):27-8. doi: 10.4103/0019-5278.134955.

45.

Studies on methanogenic consortia associated with mangrove sediments of Ennore.

Ramkumar VS.

J Environ Biol. 2014 Jul;35(4):649-54.

PMID:
25004748
46.

Intestinal infestation with Fasciolopsis buski leading to acute kidney injury.

Karthikeyan G, Ramkumar V, Kumar SP, Ramkumar S, Selvamani S, Vetriveeran B, Karuppasamy N, Moses IC.

J Assoc Physicians India. 2013 Dec;61(12):936-8.

PMID:
24968560
47.

Facile base-free in situ generation and palladation of mesoionic and normal N-heterocyclic carbenes at ambient conditions.

Sureshbabu B, Ramkumar V, Sankararaman S.

Dalton Trans. 2014 Jul 28;43(28):10710-2. doi: 10.1039/c4dt01112k.

PMID:
24931048
48.

TRPV1: A Potential Drug Target for Treating Various Diseases.

Brito R, Sheth S, Mukherjea D, Rybak LP, Ramkumar V.

Cells. 2014 May 23;3(2):517-45. doi: 10.3390/cells3020517.

49.

1'-Allyl-1-(3,4-di-methyl-benzo-yl)-2-(4-methyl-1,3-thia-zol-5-yl)-1,2,5,6,7,7a-hexa-hydro-spiro-[pyrrolizine-3,3'-indolin]-2'-one.

Karthikeyan V, Ramkumar V, Karunakaran RJ.

Acta Crystallogr Sect E Struct Rep Online. 2014 Apr 12;70(Pt 5):o541-2. doi: 10.1107/S1600536814006990. eCollection 2014 May 1.

50.

Efficient and versatile catalysis of N-alkylation of heterocyclic amines with alcohols and one-pot synthesis of 2-aryl substituted benzazoles with newly designed ruthenium(II) complexes of PNS thiosemicarbazones.

Ramachandran R, Prakash G, Selvamurugan S, Viswanathamurthi P, Malecki JG, Ramkumar V.

Dalton Trans. 2014 Jun 7;43(21):7889-902. doi: 10.1039/c4dt00006d. Epub 2014 Apr 7.

PMID:
24705796

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