An integrated framework to develop an efficient valid green (EVG) HPLC method for the assessment of antimicrobial pollutants with potential threats to human health in aquatic systems

Sarah S. Saleh, Hayam M. Lotfy and Heba T. Elbalkiny

Environ. Sci.: Processes Impacts, 2023, 25, 2125
DOI: 10.1039/D3EM00339F

Determination and quantification of related substances and degradation products in bictegravir by full factorial design evaluated HPLC and mass spectrometry

S. R. Jythesh Kumar, Vandavasi Koteswara Rao, Naresh Kumar Katari, Narreddy Siva Jyothi and Leela Prasad Kowtharapu

Anal. Methods, 2023, 15, 1274
DOI: 10.1039/D2AY02106D

An effective ultra‐performance liquid chromatography and derivatization method for the quantification of potential genotoxic impurity Hydrazine in Gliclazide and its formulation – Robustness study by the design of experiments

Srinivas Nakka, Naresh Kumar Katari, Manubolu Surya Surendra Babu and Siva Krishna Muchakayala

Separation Science Plus, 2023, 6
DOI: 10.1002/sscp.202200147

Green Chromatographic Method for Determination of Active Pharmaceutical Ingredient, Preservative, and Antioxidant in an Injectable Formulation: Robustness by Design Expert

Leela Prasad Kowtharapu, Naresh Kumar Katari, Christian A. Sandoval, Vijay Kumar Rekulapally and Sreekantha Babu Jonnalagadda

ACS Omega, 2022, 7, 34098
DOI: 10.1021/acsomega.2c03387

A rapid and novel quantitative determination of Lecanemab monoclonal antibody for Alzheimer’s disease using reverse phase ultra performance liquid chromatography

Karuna Kumari Neeladhri, B.B.V. Sailaja and Suman Pallapati

Analytical Chemistry Letters, 2024, 14, 446
DOI: 10.1080/22297928.2024.2397799

A QbD and Green Analytical Chromatography Technique for the Determination of Active Pharmaceutical Ingredient, Preservative and Antioxidant Contents in Lincosamide Antibiotic Injectable Formulation

Mr.Leela Prasad Kowtharapu, Naresh Kumar Katari, Dr.Christian A. Sandoval, Mr.Siva Krishna Muchakayala, Dr.Rajyalakshmi Ch and Dr. Vijay Kumar Rekulapally

SSRN Journal, 2021
DOI: 10.2139/ssrn.3965442

Unique green chromatography method for the determination of serotonin receptor antagonist (Ondansetron hydrochloride) related substances in a liquid formulation, robustness by quality by design‐based design of experiments approach

Leela Prasad Kowtharapu, Naresh Kumar Katari, Christian A Sandoval, Siva Krishna Muchakayala and Vijay Kumar Rekulapally

J of Separation Science, 2022, 45, 1711
DOI: 10.1002/jssc.202100979

Implementation of analytical quality by design and green chemistry principles to develop an ultra-high performance liquid chromatography method for the determination of Fluocinolone Acetonide impurities from its drug substance and topical oil formulations

Siva Krishna Muchakayala, Naresh Kumar Katari, Kalyan Kumar Saripella, Henele Schaaf, Vishnu Murthy Marisetti, Santhosh Kumar Ettaboina and Vijay Kumar Rekulapally

Journal of Chromatography A, 2022, 1679, 463380
DOI: 10.1016/j.chroma.2022.463380

Fast on-site simultaneous electroanalysis of fusidic acid and betamethasone in pharmaceuticals and water samples using novel stochastic platform

Bianca-Maria Tuchiu, Raluca-Ioana Stefan-van Staden and Jacobus (Koos) Frederick van Staden

Electrochemistry Communications, 2023, 157, 107625
DOI: 10.1016/j.elecom.2023.107625

Determination of human monoclonal antibodies nivolumab and relatlimab in opdualag by using the RP-UPLC technique: method development and validation

Sridhar Bonam, T. Siva Rao, K. Rama Srinivas and Suman Pallapati

Analytical Chemistry Letters, 2023, 13, 528
DOI: 10.1080/22297928.2023.2289515

Development, stability‐indicating assessment, and evaluation of influential method conditions using a full factorial design for the determination of Nintedanib esylate‐related impurities

Parvateesam Yenda, Naresh Kumar Katari, Balasubramanian Satheesh, Rambabu Gundla, Siva Krishna Muchakayala and Vijay Kumar Rekulapally

J of Separation Science, 2023, 46
DOI: 10.1002/jssc.202200770

Eco-friendly and green chromatographic method for the simultaneous determination of chlorocresol and betamethasone dipropionate in topical formulations using Box–Behnken design

Siva Krishna Muchakayala, Naresh Kumar Katari, Thirupathi Dongala, Vishnu Murthy Marisetti, Govind Vyas and Raju V. K. Vegesna

J IRAN CHEM SOC, 2022, 19, 1397
DOI: 10.1007/s13738-021-02388-5

Stability‐indicating method development and validation for quantitative estimation of organic impurities of the antidiabetic drug glipizide in drug substance and pharmaceutical dosage form using HPLC

Bhujanga Rao Nagulancha and Koteswara Rao Vandavasi

Biomedical Chromatography, 2023, 37
DOI: 10.1002/bmc.5727

Determination and Quantification of Related Impurity Substances in Elvitegravir Drug Substance by Full Factorial Design Evaluated Liquid Chromatography Method

Jythesh Kumar Srinilayam Rajasekharannair, Vandavasi Koteswara Rao, Vaishnavi Chintala, Naresh Kumar Katari and Leela Prasad Kowtharapu

Separation Science Plus, 2024, 7
DOI: 10.1002/sscp.202400168

Development and validation of a stability‐indicating, single HPLC method for sacubitril–valsartan and their stereoisomers and identification of forced degradation products using LC–MS/MS

Cholleti Vijaykumar, Yalavarti Ravindra Kumar, Pasula Aparna and Pydimarry Surya Prakash Rao

Biomedical Chromatography, 2023, 37
DOI: 10.1002/bmc.5550

QbD green analytical procedure for the quantification of tolvaptan by utilizing stability indicating UHPLC method

Shadab Anwar Hashmi and Pallavi Alegete

BMC Chemistry, 2024, 18
DOI: 10.1186/s13065-024-01214-2

Exact Quantifying of Mass Spectrometric Variable Intensity of Analyte Peaks with Respect to Experimental Conditions of Measurements – A Stochastic Dynamic Approach

Bojidarka Ivanova and Michael Spiteller

Analytical Chemistry Letters, 2022, 12, 542
DOI: 10.1080/22297928.2022.2142844

Development and Validation of Rapid RP-HPLC Method for determination of Deferasirox in Bulk and Tablet Dosage Forms

Santhosh Kumar Ettaboina, Komalatha Nakkala and Nayana Chathalingath

AJPA, 2022, 73
DOI: 10.52711/2231-5675.2022.00013

Green Liquid Chromatography Method for the Determination of Related Substances Present in Olopatadine HCl Nasal Spray Formulation, Robustness by Design Expert

Leela Prasad Kowtharapu, Naresh Kumar Katari, Christian A Sandoval, Siva Krishna Muchakayala and Vijay Kumar Rekulapally

Journal of AOAC INTERNATIONAL, 2022, 105, 1247
DOI: 10.1093/jaoacint/qsac072

A Quality by Design and green LC technique for the determination of mast cell stabilizer and histamine receptor antagonist (Olopatadine HCl) in multiple formulations

Leela Prasad Kowtharapu, Naresh Kumar Katari, Surekha Ch., Christian A. Sandoval, Siva Krishna Muchakayala and Naresh Konduru

Biomedical Chromatography, 2022, 36
DOI: 10.1002/bmc.5359

Estimating Butylated Hydroxytoluene in the Presence of Polymers such as Polyethylene Glycol and Polyethylene Oxide in Mirabegron Extended-Release Tablets

Naresh Konduru, Leela Prasad Kowtharapu, Rathnakar Nathi, Rambabu Gundla and Akarshit Khare

Pharm Chem J, 2024, 58, 988
DOI: 10.1007/s11094-024-03233-8

Isolation, identification, structural elucidation, and toxicity prediction using (Q)-SAR models of two degradants: AQbD-driven LC method to determine the Roxadustat impurities

Srinivas Nakka, Naresh Kumar Katari, Siva Krishna Muchakayala, Sreekantha Babu Jonnalagadda and Surendra Babu Manabolu Surya

Talanta Open, 2023, 7, 100221
DOI: 10.1016/j.talo.2023.100221

Liquid Chromatography–Mass Spectrometry Method for Determination of N‐Methyl‐N‐Nitrosopyridin‐4‐Amine in a Vonoprazan Fumarate Drug

Ramya Chilukuri, Kousrali Sayyad, Leela Prasad Kowtharapu, Sreedhar Gundekari and Mohan Varkolu

Separation Science Plus, 2024, 7
DOI: 10.1002/sscp.202400118

An effective and stability‐indicating method development and optimization utilizing the Box–Behnken design for the simultaneous determination of acetaminophen, caffeine, and aspirin in tablet formulation

Parvateesam Yenda, Naresh Kumar Katari, Santhosh Kumar Ettaboina, Balasubramanian Satheesh, Siva Krishna Muchakayala and Rambabu Gundla

Biomedical Chromatography, 2023, 37
DOI: 10.1002/bmc.5585

QbD green analytical procedure for Novel study of a genotoxic and carcinogenic compound trace determination in physiological solution compatibility

Leela Prasad Kowtharapu, Naresh Kumar Katari, Siva Krishna Muchakayala, Surya Prakash Rao Pydimarry, Vijay Kumar Rekulapally and Christian A. Sandoval

Sustainable Chemistry and Pharmacy, 2023, 33, 101079
DOI: 10.1016/j.scp.2023.101079

Ecofriendly analytical quality by design-based method for determining Metronidazole, Lidocaine and Miconazole using RP-HPLC in semisolid dosage form

Viswanathan Sukumar, Hemanth Kumar Chanduluru and Saravanan Chinnusamy

Journal of Taibah University for Science, 2023, 17
DOI: 10.1080/16583655.2023.2252593

QbD‐based stability‐indicating liquid chromatography (RP‐HPLC) method for the determination of flurbiprofen in cataplasm

Rathnakar Nathi, Leela Prasad Kowtharapu, Siva Krishna Muchakayala and Naresh Konduru

Biomedical Chromatography, 2023, 37
DOI: 10.1002/bmc.5580

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

Srinivas Nakka, Siva Krishna Muchakayala and Surendra Babu Manabolu Surya

Results in Chemistry, 2023, 6, 101019
DOI: 10.1016/j.rechem.2023.101019

A combined qualitative and quantitative method development and validation of vancomycin hydrochloride injection formulation by HPLC and UV involving quality by design

Lankella Sasikala, Vandavasi Koteswara Rao, Naresh Kumar Katari and Leela Prasad Kowtharapu

Biomedical Chromatography, 2023, 37
DOI: 10.1002/bmc.5568

Green Liquid Chromatography Method for the Determination of Related Substances of Mast Cell Stabilizer and Histamine Receptor Antagonist in Nasal Spray Formulation, QbD Based Approach for Method Robustness Establishment

Leela Prasad Kowtharapu, Naresh Kumar Katari, Dr.Christian A. Sandoval, Mr.Siva Krishna Muchakayala and Dr. Vijay Kumar Rekulapally

SSRN Journal, 2021
DOI: 10.2139/ssrn.3992391

Development and validation of apalutamide‐related substances method in solid dosage forms using HPLC

Lova Gani Raju Bandaru, Naresh Konduru, Leela Prasad Kowtharapu, Suryanarayana Regulagadda, Phani Raja Kanuparthy and Rambabu Gundla

Biomedical Chromatography, 2023, 37
DOI: 10.1002/bmc.5576

Estimation of purity of antimicrobial lead compound sulfonamide‐anthranilate derivative methyl‐ester‐toluene‐sulfonamide using LC to develop a new drug application

Girish K. Deshpande, Parameswari Akshinthala, Naresh Kumar Katari, Balasaheb Deshmukh, Leela Prasad Kowtharapu, Sreenivas Rao Battula and Rambabu Gundla

Biomedical Chromatography, 2023, 37
DOI: 10.1002/bmc.5646

AQbD based green UPLC method to determine mycophenolate mofetil impurities and Identification of degradation products by QToF LCMS

Siva Krishna Muchakayala, Naresh Kumar Katari, Kalyan Kumar Saripella, Henele Schaaf, Vishnu Murthy Marisetti, Leela Prasad Kowtharapu and Sreekantha Babu Jonnalagadda

Sci Rep, 2022, 12
DOI: 10.1038/s41598-022-22998-0

A fast, validated UPLC method coupled with PDA-QDa detectors for impurity profiling in betamethasone acetate and betamethasone phosphate injectable suspension and isolation, identification, characterization of two thermal impurities

P. Murali Krishnam Raju, P. Shyamala, B. Venkata Narayana, H.S.N.R. Dantuluri and R.V. Bhupatiraju

Annales Pharmaceutiques Françaises, 2022, 80, 837
DOI: 10.1016/j.pharma.2022.03.003

Enantioselective Green HPLC Method for Simultaneous Determination of Enantiomer, and Potential Impurities in Apremilast Drug Substance

Cholleti Vijaykumar, Yalavarti Ravindra Kumar, Pasula Aparna and Vishnu Murthy Marisetti

Analytical Chemistry Letters, 2022, 12, 691
DOI: 10.1080/22297928.2022.2155071

Recent advances and application of liquid chromatography in pharmaceutical industry

Poonam Dhull, Shashiprabha Dunuweera, Jonathan Bietsch, Raju Bandu, Chaitanya Wannere, Srinivas Achanta, Dhileep Krishnamurthy, Bo Qu and Chris Senanayake

Journal of Liquid Chromatography & Related Technologies, 2025, 1
DOI: 10.1080/10826076.2024.2448692