| 1 |
A simple and rapid method to collect the cerebrospinal fluid of rats and its application for the assessment of drug penetration into the central nervous system
Ramakrishna V. S. Nirogi, Vishwottam N. Kandikere, Koteshwara Mudigonda et al. · Journal of Neuroscience Methods
|
7 Dec 2008 |
129 |
| 2 |
Sensitive liquid chromatography tandem mass spectrometry method for the quantification of sitagliptin, a DPP‐4 inhibitor, in human plasma using liquid–liquid extraction
Ramakrishna V. S. Nirogi, Vishwottam N. Kandikere, Koteshwara Mudigonda et al. · Biomedical Chromatography
|
15 Oct 2007 |
88 |
| 3 |
Chromatography–mass spectrometry methods for the quantitation of statins in biological samples
Ramakrishna V. S. Nirogi, Koteshwara Mudigonda, Vishwottam N. Kandikere · Journal of Pharmaceutical and Biomedical Analysis
|
14 Feb 2007 |
81 |
| 4 |
Comparison of manual and automated filaments for evaluation of neuropathic pain behavior in rats
Ramakrishna V. S. Nirogi, Venkatesh Goura, Dhanalakshmi Shanmuganathan et al. · Journal of Pharmacological and Toxicological Methods
|
30 Apr 2012 |
65 |
| 5 |
Synthesis and SAR of Imidazo[1,5-a]pyridine derivatives as 5-HT4 receptor partial agonists for the treatment of cognitive disorders associated with Alzheimer's disease
Ramakrishna V. S. Nirogi, Abdul Rasheed Mohammed, Anil Karbhari Shinde et al. · European Journal of Medicinal Chemistry
Open access |
Sep 2015 |
61 |
| 6 |
Rapid quantification of nebivolol in human plasma by liquid chromatography coupled with electrospray ionization tandem mass spectrometry
N. V. S. Ramakrishna, K.N. Vishwottam, M. Koteshwara et al. · Journal of Pharmaceutical and Biomedical Analysis
|
13 Jul 2005 |
59 |
| 7 |
Quantitation of tadalafil in human plasma by liquid chromatography–tandem mass spectrometry with electrospray ionization
N. V. S. Ramakrishna, K.N. Vishwottam, S. Puran et al. · Journal of Chromatography B
|
15 Jul 2004 |
57 |
| 8 |
Development and validation of a sensitive liquid chromatography/electrospray tandem mass spectrometry assay for the quantification of olanzapine in human plasma
Ramakrishna V. S. Nirogi, Vishwottam N. Kandikere, Manoj Kumar Shukla et al. · Journal of Pharmaceutical and Biomedical Analysis
|
Mar 2006 |
57 |
| 9 |
Sensitive liquid chromatography–tandem mass spectrometry method for quantification of hydrochlorothiazide in human plasma
N. V. S. Ramakrishna, K.N. Vishwottam, S. Manoj et al. · Biomedical Chromatography
|
26 Apr 2005 |
53 |
| 10 |
Liquid chromatography/electrospray ionization mass spectrometry method for the quantification of valproic acid in human plasma
N. V. S. Ramakrishna, K.N. Vishwottam, S. Manoj et al. · Rapid Communications in Mass Spectrometry
|
14 Jun 2005 |
52 |
| 11 |
Quantification of clopidogrel in human plasma by sensitive liquid chromatography/tandem mass spectrometry
Ramakrishna V. S. Nirogi, Vishwottam N. Kandikere, Manoj Kumar Shukla et al. · Rapid Communications in Mass Spectrometry
|
24 Apr 2006 |
51 |
| 12 |
Simultaneous quantification of atorvastatin and active metabolites in human plasma by liquid chromatography–tandem mass spectrometry using rosuvastatin as internal standard
Ramakrishna V. S. Nirogi, Vishwottam N. Kandikere, Manoj Kumar Shukla et al. · Biomedical Chromatography
|
7 Feb 2006 |
51 |
| 13 |
Quantification of acetylcholine, an essential neurotransmitter, in brain microdialysis samples by liquid chromatography mass spectrometry
Ramakrishna V. S. Nirogi, Koteshwara Mudigonda, Vishwottam N. Kandikere et al. · Biomedical Chromatography
|
29 Oct 2009 |
50 |
| 14 |
A sensitive and selective quantification of catecholamine neurotransmitters in rat microdialysates by pre-column dansyl chloride derivatization using liquid chromatography–tandem mass spectrometry
Ramakrishna V. S. Nirogi, Prashanth Komarneni, Vishwottam N. Kandikere et al. · Journal of Chromatography B
|
27 Sep 2012 |
48 |
| 15 |
Sensitive and selective liquid chromatography–tandem mass spectrometry method for the quantification of azithromycin in human plasma
Ramakrishna V. S. Nirogi, Vishwottam N. Kandikere, Manoj Kumar Shukla et al. · Analytica Chimica Acta
|
17 Sep 2005 |
47 |
| 16 |
Discovery and Development of 1-[(2-Bromophenyl)sulfonyl]-5-methoxy-3-[(4-methyl-1-piperazinyl)methyl]-1H-indole Dimesylate Monohydrate (SUVN-502): A Novel, Potent, Selective and Orally Active Serotonin 6 (5-HT6) Receptor Antagonist for Potential Treatment of Alzheimer’s Disease
Ramakrishna V. S. Nirogi, Anil Karbhari Shinde, Rama Sastry Kambhampati et al. · Journal of Medicinal Chemistry
Open access |
17 Feb 2017 |
46 |
| 17 |
Progress in Investigational Agents Targeting Serotonin-6 Receptors for the Treatment of Brain Disorders
Ramakrishna V. S. Nirogi, Pradeep Jayarajan, Anil Karbhari Shinde et al. · Biomolecules
Open access |
7 Feb 2023 |
45 |
| 18 |
Simultaneous quantification of a non‐nucleoside reverse transcriptase inhibitor efavirenz, a nucleoside reverse transcriptase inhibitor emtricitabine and a nucleotide reverse transcriptase inhibitor tenofovir in plasma by liquid chromatography positive ion electrospray tandem mass spectrometry
Ramakrishna V. S. Nirogi, Gopinadh Bhyrapuneni, Vishwottam N. Kandikere et al. · Biomedical Chromatography
|
20 Oct 2008 |
43 |
| 19 |
High-performance liquid chromatography method for the quantification of rabeprazole in human plasma using solid-phase extraction
N. V. S. Ramakrishna, K.N. Vishwottam, S. Wishu et al. · Journal of Chromatography B
|
10 Dec 2004 |
42 |
| 20 |
Total Syntheses of AF-2785 and Gamendazole—Experimental Male Oral Contraceptives
Arava Veerareddy, Surendrareddy Gogireddy, Praveen Kumar Dubey · Synthetic Communications
|
3 Jun 2013 |
42 |
| 21 |
Rapid quantification of gabapentin in human plasma by liquid chromatography/tandem mass spectrometry
N. V. S. Ramakrishna, K.N. Vishwottam, M. Koteshwara et al. · Journal of Pharmaceutical and Biomedical Analysis
|
20 Aug 2005 |
41 |
| 22 |
α4β2* neuronal nicotinic receptor ligands (agonist, partial agonist and positive allosteric modulators) as therapeutic prospects for pain
Ramakrishna V. S. Nirogi, Venkatesh Goura, Renny Abraham et al. · European Journal of Pharmacology
|
6 May 2013 |
39 |
| 23 |
Selective and rapid liquid chromatography–tandem mass spectrometry assay of dutasteride in human plasma
N. V. S. Ramakrishna, K.N. Vishwottam, S. Puran et al. · Journal of Chromatography B
|
29 Jun 2004 |
39 |
| 24 |
SUVN-502, a novel, potent, pure, and orally active 5-HT6 receptor antagonist: pharmacological, behavioral, and neurochemical characterization
Ramakrishna V. S. Nirogi, Renny Abraham, Vijay S. Benade et al. · Behavioural Pharmacology
|
30 May 2018 |
38 |
| 25 |
A simple and rapid HPLC/UV method for the simultaneous quantification of theophylline and etofylline in human plasma
Ramakrishna V. S. Nirogi, Vishwottam N. Kandikere, Manoj Kumar Shukla et al. · Journal of Chromatography B
|
16 Nov 2006 |
38 |
| 26 |
Rapid, simple and highly sensitive LC‐ESI‐MS/MS method for the quantification of tamsulosin in human plasma
N. V. S. Ramakrishna, K.N. Vishwottam, S. Manoj et al. · Biomedical Chromatography
|
12 Apr 2005 |
36 |
| 27 |
Chemical inhibitors of CYP450 enzymes in liver microsomes: combining selectivity and unbound fractions to guide selection of appropriate concentration in phenotyping assays
Ramakrishna V. S. Nirogi, Veera Raghava Chowdary Palacharla, Venkatesham Uthukam et al. · Xenobiotica
|
29 Jul 2014 |
36 |
| 28 |
Total synthesis of carbazole alkaloids
Bharath Kumar Goud Bhatthula, Janardhan reddy Kanchani, Veera Reddy Arava et al. · Tetrahedron
|
8 Jan 2019 |
35 |
| 29 |
High-performance liquid chromatography method for the quantification of pantoprazole in human plasma
N. V. S. Ramakrishna, K.N. Vishwottam, S. Wishu et al. · Journal of Chromatography B
|
12 Jul 2005 |
34 |
| 30 |
Liquid chromatography–negative ion electrospray tandem mass spectrometry method for the quantification of tacrolimus in human plasma and its bioanalytical applications
N. V. S. Ramakrishna, K.N. Vishwottam, S. Puran et al. · Journal of Chromatography B
|
28 Feb 2004 |
34 |
| 31 |
Sensitive and rapid liquid chromatography/tandem mass spectrometry assay for the quantification of amlodipine in human plasma
Ramakrishna V. S. Nirogi, Vishwottam N. Kandikere, Koteshwara Mudigonda et al. · Biomedical Chromatography
|
6 Jan 2006 |
33 |
| 32 |
Liquid chromatography atmospheric pressure chemical ionization tandem mass spectrometry method for the quantification of pregabalin in human plasma
Ramakrishna V. S. Nirogi, Vishwottam N. Kandikere, Koteshwara Mudigonda et al. · Journal of Chromatography B
|
9 Oct 2009 |
32 |
| 33 |
Effect of masupirdine (SUVN‐502) on cognition in patients with moderate Alzheimer's disease: A randomized, double‐blind, phase 2, proof‐of‐concept study
Ramakrishna V. S. Nirogi, John R. Ieni, Vinod Goyal et al. · Alzheimer s & Dementia Translational Research & Clinical Interventions
Open access |
2022 |
31 |
| 34 |
Synthesis, Structure–Activity Relationships, and Preclinical Evaluation of Heteroaromatic Amides and 1,3,4-Oxadiazole Derivatives as 5-HT4 Receptor Partial Agonists
Ramakrishna V. S. Nirogi, Abdul Rasheed Mohammed, Anil Karbhari Shinde et al. · Journal of Medicinal Chemistry
Open access |
15 May 2018 |
30 |
| 35 |
High‐throughput quantification of perindopril in human plasma by liquid chromatography/tandem mass spectrometry: application to a bioequivalence study
Ramakrishna V. S. Nirogi, Vishwottam N. Kandikere, Manoj Kumar Shukla et al. · Rapid Communications in Mass Spectrometry
|
19 May 2006 |
30 |
| 36 |
Quantification of pramipexole in human plasma by liquid chromatography tandem mass spectrometry using tamsulosin as internal standard
Ramakrishna V. S. Nirogi, Vishwottam N. Kandikere, Wishu Shrivastava et al. · Biomedical Chromatography
|
21 Jun 2007 |
30 |
| 37 |
Identification of a suitable and selective inhibitor towards aldehyde oxidase catalyzed reactions
Ramakrishna V. S. Nirogi, Vishwottam N. Kandikere, Veera Raghava Chowdary Palacharla et al. · Xenobiotica
|
24 Oct 2013 |
30 |
| 38 |
Simple, sensitive and rapid liquid chromatographic/electrospray ionization tandem mass spectrometric method for the quantification of lacidipine in human plasma
N. V. S. Ramakrishna, K.N. Vishwottam, S. Puran et al. · Journal of Mass Spectrometry
|
Jul 2004 |
29 |
| 39 |
Approach to reduce the non-specific binding in microdialysis
Ramakrishna V. S. Nirogi, Vishwottam N. Kandikere, Gopinadh Bhyrapuneni et al. · Journal of Neuroscience Methods
|
22 Jun 2012 |
28 |
| 40 |
Discovery and Development of 3-(6-Chloropyridine-3-yloxymethyl)-2-azabicyclo[3.1.0]hexane Hydrochloride (SUVN-911): A Novel, Potent, Selective, and Orally Active Neuronal Nicotinic Acetylcholine α4β2 Receptor Antagonist for the Treatment of Depression
Ramakrishna V. S. Nirogi, Abdul Rasheed Mohammed, Anil Karbhari Shinde et al. · Journal of Medicinal Chemistry
Open access |
6 Feb 2020 |
27 |
| 41 |
Quantitative Determination of Galantamine in Human Plasma by Sensitive Liquid Chromatography--Tandem Mass Spectrometry Using Loratadine as an Internal Standard
Ramakrishna V. S. Nirogi, Vishwottam N. Kandikere, Koteshwara Mudigonda et al. · Journal of Chromatographic Science
|
Feb 2007 |
27 |
| 42 |
Micro RNA ‐induced gene silencing strategy for the delivery of siRNAs targeting Meloidogyne incognita in a model plant Nicotiana benthamiana
Alkesh Hada, Basavaprabhu L. Patil, Akansha Bajpai et al. · Pest Management Science
|
31 Mar 2021 |
26 |
| 43 |
Simple, sensitive and rapid LC–MS/MS method for the quantitation of cerivastatin in human plasma — application to pharmacokinetic studies
N. V. S. Ramakrishna, M. Koteshwara, K.N. Vishwottam et al. · Journal of Pharmaceutical and Biomedical Analysis
|
Nov 2004 |
26 |
| 44 |
Validated liquid chromatographic ultraviolet method for the quantitation of Etoricoxib in human plasma using liquid–liquid extraction
N. V. S. Ramakrishna, K.N. Vishwottam, S. Wishu et al. · Journal of Chromatography B
|
14 Dec 2004 |
26 |
| 45 |
High-performance liquid chromatography method for the quantification of entacapone in human plasma
N. V. S. Ramakrishna, K.N. Vishwottam, S. Wishu et al. · Journal of Chromatography B
|
18 Jul 2005 |
25 |
| 46 |
Liquid chromatography/negative ion electrospray tandem mass spectrometry method for the quantification of fluvastatin in human plasma: validation and its application to pharmacokinetic studies
Ramakrishna V. S. Nirogi, Vishwottam N. Kandikere, Wishu Shrivastava et al. · Rapid Communications in Mass Spectrometry
|
15 Mar 2006 |
25 |
| 47 |
Indole-3-piperazinyl derivatives: Novel chemical class of 5-HT6 receptor antagonists
Ramakrishna V. S. Nirogi, Amol D. Deshpande, Ramasastri Kambhampati et al. · Bioorganic & Medicinal Chemistry Letters
Open access |
9 Nov 2010 |
25 |
| 48 |
Antinociceptive activity of α4β2* neuronal nicotinic receptor agonist A-366833 in experimental models of neuropathic and inflammatory pain
Ramakrishna V. S. Nirogi, Pradeep Jayarajan, Renny Abraham et al. · European Journal of Pharmacology
|
6 Jul 2011 |
25 |
| 49 |
LC‐ESI‐MS/MS method for quantification of ambrisentan in plasma and application to rat pharmacokinetic study
Ramakrishna V. S. Nirogi, Vishwottam N. Kandikere, Prashanth Komarneni et al. · Biomedical Chromatography
|
4 Jan 2012 |
25 |
| 50 |
A novel asymmetric synthesis of cinacalcet hydrochloride
Veera Reddy Arava, Laxminarasimhulu Gorentla, Pramod Kumar Dubey · Beilstein Journal of Organic Chemistry
Open access |
24 Aug 2012 |
24 |