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Anantharaman Shivakumar

Observed names: A. Shivakumar, Shivakumar A., Shivakumar Anantharaman
ORCID: 0000-0003-1132-7087
Observed ORCID: 0000-0003-1132-7087
OpenAlex ID: A5038232863
Spectrophotometric assay of creatinine in human serum sample
2013 · Avinash Krishnegowda, Nagaraja Padmarajaiah, et al. · Arabian Journal of Chemistry · 58
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A sensitive spectrophotometric method for the determination of sulfonamides in pharmaceutical preparations
2007 · Padmarajaiah Nagaraja, Shailendra Naik, et al. · Acta Pharmaceutica · 54
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Critical Review on the Analytical Mechanistic Steps in the Evaluation of Antioxidant Activity
2018 · Anantharaman Shivakumar, M. S. Yogendra Kumar · Critical Reviews in Analytical Chemistry · 47
A simple and sensitive spectrophotometric method for the determination of trace amounts of nitrite in environmental and biological samples using 4-amino-5-hydroxynaphthalene-2,7-disulphonic acid monosodium salt
2010 · Padmarajaiah Nagaraja, Naef Ghllab S. Al-Tayar, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 41
Spectrophotometric method for the determination of chromium (VI) in water samples
2008 · P. Nagaraj, N. Aradhana, et al. · Environmental Monitoring and Assessment · 34
Ninhydrin-sodium molybdate chromogenic analytical probe for the assay of amino acids and proteins
2016 · Shivakumar Anantharaman, Nagaraja Padmarajaiah, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 31
Quantification of hydrogen peroxide and glucose using 3-methyl-2-benzothiazolinonehydrazone hydrochloride with 10,11-dihydro-5H-benz(b,f)azepine as chromogenic probe
2009 · Padmarajaiah Nagaraja, Anantharaman Shivakumar, et al. · Analytical Biochemistry · 30
Andrographis paniculata-mediated synthesis of silver nanoparticles: antimicrobial properties and computational studies
2020 · Shivakumar Anantharaman, Reena Rego, et al. · SN Applied Sciences · 25
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A quantitative method for the detection and validation of catalase activity at physiological concentration in human serum, plasma and erythrocytes
2020 · Honnur Krishna, Krishnegowda Avinash, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 23
Role of Peroxidase in Clinical Assays: A Short Review
2017 · Anantharaman Shivakumar, Jashmitha BG, et al. · Journal of Clinical Nutrition & Dietetics · 23
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Use of N, N-diethyl-p-phenylenediamine sulphate for the spectrophotometric determination of some phenolic and amine drugs
2010 · Padmarajaiah Nagaraja, Ashwinee Shrestha, et al. · Acta Pharmaceutica · 20
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Development of quantitative enzymatic method and its validation for the assay of glucose in human serum
2011 · Padmarajaiah Nagaraja, Honnur Krishna, et al. · Clinical Biochemistry · 19
Quantification of creatinine in biological samples based on the pseudoenzyme activity of copper–creatinine complex
2012 · Padmarajaiah Nagaraja, Krishnegowda Avinash, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 18
Determination of catalase activity using chromogenic probe involving iso-nicotinicacidhydrazide and pyrocatechol
2011 · Anantharaman Shivakumar, Padmarajaiah Nagaraja, et al. · Journal of Biotechnology · 18
Cyclocondensation of o -phenylenediamines with α-ketothioesters: a novel approach for the synthesis of 2-acylbenzimidazoles
2024 · Kumar Kavya, Kanaka Vijayashankar Honnabandar, et al. · New Journal of Chemistry · 17
Development and evaluation of kinetic spectrophotometric assays for horseradish Peroxidase by Catalytic Coupling of Paraphenylenediamine and mequinol
2009 · Padmarajaiah Nagaraja, Anantharaman Shivakumar, et al. · Analytical Sciences · 15
Molybdate assisted ninhydrin based sensitive analytical system for the estimation of drugs containing amine group
2020 · P. Nagaraja, A.K. Shrestha, et al. · Journal of Food and Drug Analysis · 14
Spectrophotometric determination of chloroquine, pyrimethamine and trimethoprim by ion pair extraction in pharmaceutical formulation and urine
2020 · P. Nagaraja, A.K. Shrestha, et al. · Journal of Food and Drug Analysis · 14
Development and kinetic validation of an assay for the quantitative determination of peroxidase: Application in the detection of activity in crude plant tissues
2010 · Anantharaman Shivakumar, Dinesh Rangappa, et al. · Enzyme and Microbial Technology · 14
Peroxidase-Catalyzed Oxidative Coupling of Paraphenylenediamine with 3-Dimethylaminobenzoic Acid: Application in Crude Plant Extracts
2009 · Padmarajaiah Nagaraja, Anantharaman Shivakumar, et al. · Journal of Agricultural and Food Chemistry · 9
Spectrophotometric determination of catecholamine using vanadium and eriochrome cyanine r
2011 · Padmarajaiah Nagaraja, Ashwinee Kumar Shrestha, et al. · Química Nova · 8
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Sensitive spectrophotometric methods for the assessment of nitrite in water sample
2008 · P. Nagaraj, J. S. Prakash, et al. · Environmental Monitoring and Assessment · 8
Spectrophotometric determination of peroxidase using N, N-diethyl-p-phylenediamine sulphate and 3-Aminophenol as a chromogenic reagent: Application of the method to seeds of some fruits
2017 · Chamaraja N.A., Shivakumar A., et al. · Chemical Data Collections · 7
Quantification of Antioxidants by Using Chlorpromazine Hydrochloride: Application of the Method to Food and Medicinal Plant Samples
2014 · Padmarajaiah Nagaraja, Narayanan Aradhana, et al. · Analytical Sciences · 7
Spectrophotometric Determination of the Trace Amount of Thallium in Water and Urine Samples by Novel Oxidative Coupling Reaction
2009 · P. Nagaraja, N. Ghllab Saeed Al-Tayar, et al. · Journal of Chemistry · 7
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Works count: 42
Citation count: 605
H-index: 15
I10-index: 19
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