Research

Research & Publications

Peer-reviewed scholarship spanning pharmacokinetics, nanomedicine, formulation science, and drug delivery.

  • 13Publications
  • 816Citations
  • 12+Years of Research
  • 2Doctoral Degrees

Focus Areas

Research Areas

Pharmacokinetics & PK/PD Modeling

Non-compartmental and compartmental PK/TK analyses, population modeling (Phoenix NLME, Monolix, Simulx), PBPK simulation with GastroPlus®, and human dose prediction for preclinical-to-clinical translation.

PK/TK AnalysisPhoenix WinNonlinNLME ModelingPBPKGastroPlusHuman Dose Prediction

Nanomedicine & Drug Delivery Systems

Design, optimization, and characterization of novel drug delivery systems including PLGA nanoparticles, transdermal patches, and conventional dosage forms. Expertise in DoE-driven formulation optimization and in vitro dissolution modeling.

PLGA NanoparticlesTransdermal PatchesDoE OptimizationIn Vitro DissolutionDDSolverDesign-Expert

Bioanalytical Method Development

Development and validation of quantitative bioanalytical methods across UPLC and triple-quadrupole LC-MS/MS platforms. Proficient in Waters Empower, Sciex OS, and Analyst® for data acquisition and quantitative analysis.

LC-MS/MSUPLCMethod ValidationWaters EmpowerSciex OSGLP/non-GLP

Scholarship

Publications

Showing 13 of 13 publications

2026Journal Article

Gupta, R.; Sarkar, M.; Xie, H.

From Screening to Optimization: Strategic Implementation of Design of Experiments (DOE) for Robust Nanoparticle Formulation.

Polymers 2026, 18, 2034.

DOI
2025Journal Article

Vikash, B.; Shashi; Pandey, N. K.; Kumar, B.; Wadhwa, S.; Gupta, R.; et al.

Expanding Arsenal against Ocular Diseases through Nanoemulsion: Success So Far and the Road Ahead.

Curr. Drug Delivery 2025, 22, 694–707.

DOI
2022Journal Article

Gupta, R.; Chen, Y.; Sarkar, M.; Xie, H.

Surfactant Mediated Accelerated and Discriminatory In Vitro Drug Release Method for PLGA Nanoparticles of Poorly Water-Soluble Drug.

Pharmaceuticals 2022, 15, 1489.

DOI
2022Conference Abstract

Gupta, R.; Xie, H.; Sarkar, M.; Chen, Y.

Design of Experiment (DOE) for Optimization of PLGA Nanoparticles.

FASEB J. 2022, 36 (Suppl. 1), R6197.

DOI
2022Journal Article

Chen, Y.; Gao, X.; Gupta, R.; Ma, J.; Dere, R.; Liang, D.; Xie, H.

Development and Validation of an LC–MS/MS Method for AC1LPSZG and Pharmacokinetics Application in Rats.

J. Chromatogr. Sci. 2022, 60, 26–34.

DOI
2021Review Article

Gupta, R.; Chen, Y.; Xie, H.

In Vitro Dissolution Considerations Associated with Nano Drug Delivery Systems.

Wiley Interdiscip. Rev. Nanomed. Nanobiotechnol. 2021, 13, e1732.

DOI
2018Journal Article

Gupta, R.; Xie, H.

Nanoparticles in Daily Life: Applications, Toxicity and Regulations.

J. Environ. Pathol. Toxicol. Oncol. 2018, 37, 209–230.

DOI
2017Review Article

Gupta, R.

Clinical Success versus Attrition of Investigational Pharmaceuticals: A Vignette.

Crit. Rev. Ther. Drug Carrier Syst. 2017, 34, 527–549.

DOI
2016Journal Article

Gupta, R.; Bajpai, M.

Formulation Optimization of Tizanidine Hydrochloride Nanoparticles Using 3² Factorial Designs.

Int. J. Pharma Bio Sci. 2016.

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2013Journal Article

Gupta, R.; Bajpai, M.

Preparation and Physicochemical Characterization of Tizanidine Hydrochloride Nanoparticles.

J. Pharm. Res. 2013, 12, 15–22.

DOI
2013Journal Article

Gupta, R.; Bajpai, M.

Influence of Formulation Parameters on Tizanidine Hydrochloride Nanoparticles.

Int. J. Pharma Bio Sci. 2013, 4, 1056–1078.

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2013Journal Article

Gupta, R.

Role of Nanotechnology in Healthcare System Management.

Int. J. Pharm. Res. Bio-Sci. 2013, 2, 375–406.

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2008Journal Article

Gupta, R.; Bajpai, M.; Bhattacharya, A.

Formulation and In Vitro Evaluation of Transdermal Drug Delivery System of Tizanidine Hydrochloride.

J. Pharm. Res. 2008, 7, 208–213.

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