srinivas nakka

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Publications (13)

• A Green and Ultra‐Sensitive Liquid Chromatography–Tandem Mass Spectrometry Method for Simultaneous Trace‐Level Quantification of Nitrosamine Drug Substance Related Impurities in Clozapine: Method Development, Validation, and Greenness Evaluation
  SEPARATION SCIENCE PLUS 2025 DOI: 10.1002/sscp.70152
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• A Rapid and Sensitive Liquid Chromatography–Tandem Mass Spectrometry Method for the Quantification of Nitrosamine Impurities in an Anticoagulant Drug: Application to Drug Substance and Pharmaceutical Dosage Forms
  SEPARATION SCIENCE PLUS 2025 15 citations DOI: 10.1002/sscp.70150
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• Strategic approaches to elevate quality and sustainability of NDSRIs method development: Synthesis and a simultaneous quantification study of multiple tamsulosin NDSRIs
  Microchemical Journal 2025 8 citations DOI: 10.1016/j.microc.2025.114065
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• A facile and eco-friendly simultaneous quantification LC-TQ-MS/MS approach for N-Nitroso Moxifloxacin and di-nitroso pyrrolopiperidine in Moxifloxacin tablets and eye drops
  Green Analytical Chemistry 2025 8 citations DOI: 10.1016/j.greeac.2024.100188
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• A novel LC-TQ-MS/MS method for quantifying mefenamic acid-NDSRI (N-nitroso drug substance-related impurity) in mefenamic acid tablet and pediatric suspension dosage forms: a comparative study with a cost-effective white, green, and blue UPLC method
  RSC Advances 2025 15 citations DOI: 10.1039/d4ra08425j
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• A sustainable and novel LC-TQ-MS/MS method for quantifying mutagenic Ketoconazole-NDSRIs aligned with green and white analytical chemistry principles
  The Analyst 2025 9 citations DOI: 10.1039/d5an01052g
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• A novel and eco-friendly UPLC-ESI-MS method for the quantification of Aceclofenac-NDSRI (Nitroso Drug Substance Related Impurity) from Aceclofenac drug substance and combination formulations
  Sustainable Chemistry and Pharmacy 2024 15 citations DOI: 10.1016/j.scp.2024.101495
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• Synthesis and Trace-Level Quantification of Mutagenic and Cohort-of-Concern Ciprofloxacin Nitroso Drug Substance-Related Impurities (NDSRIs) and Other Nitroso Impurities Using UPLC-ESI-MS/MS─Method Optimization Using I-Optimal Mixture Design
  ACS Omega 2024 20 citations DOI: 10.1021/acsomega.3c05170
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• A sensitive ultra‐performance liquid chromatography‐tandem mass spectrometry method for the simultaneous quantification of assay and trace‐level genotoxic tosylate analogs (methyl and ethyl) in empagliflozin and its tablet dosage forms
  Biomedical Chromatography 2024 7 citations DOI: 10.1002/bmc.5755
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• A sensitive UPLC-MS/MS method for the simultaneous assay and trace level genotoxic impurities quantification of SARS-CoV-2 inhibitor-Molnupiravir in its pure and formulation dosage forms using fractional factorial design
  Results in Chemistry 2023 18 citations DOI: 10.1016/j.rechem.2023.101019
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