1.  Chandra Teja Uppuluri, Punna Rao Ravi, Avantika V. Dalvi. Design, Optimization and Pharmacokinetic Evaluation of Piribedil Loaded Solid Lipid Nanoparticles Dispersed in Nasal In Situ Gelling System for Effective Management of Parkinson’s Disease. International Journal of Pharmaceutics; 2021,606, 120881; DOI: 10.1016/j.ijpharm.2021.120881. (IF 5.88)

2. Avantika V. Dalvi, Punna Rao Ravi, Chandra Teja Uppuluri. Rufinamide-Loaded Chitosan Nanoparticles in Xyloglucan-Based Thermoresponsive In Situ Gel for Direct Nose to Brain Delivery. Frontiers in Pharmacology; 2021, 51, 199-211; DOI: 10.3389/fphar.2021.691936. (IF 5.81)
3. Avantika V. Dalvi, Punna Rao Ravi, Chandra Teja Uppuluri, Radhika R. Mahajan, Sumeet V. Katke, Vibha S. Deshpande. Thermosensitive nasal in situ gelling systems of rufinamide formulated using modified tamarind seed xyloglucan for direct nose-to- brain delivery: design, physical characterization, in vivo evaluation. Journal of Pharmaceutical Investigation; 2021, 51, 199-211; DOI: 10.1007/s40005-020-00505-9. (IF 3.22)
4. Rimpy Diwan, Punna Rao Ravi, Shubham Ishwar Agarwal, Vidushi Aggarwal. Cilnidipine loaded poly (ε-caprolactone) nanoparticles for enhanced oral delivery: Optimization using DoE, physical characterization, pharmacokinetic and pharmacodynamic evaluation. Pharmaceutical Development and Technology; 2021, 26(3), 278-290; DOI: 10.1080/10837450.2020.1864643. (IF 2.35)
5. Aditya N Murthy, Punna Rao Ravi, Himanshu Kathuria, Srinivas Malekar. Oral Bioavailability Enhancement of Raloxifene with Nanostructured Lipid Carriers. Nanomaterials (MDPI), 2020, 10(6), 1085; https://doi.org/10.3390/nano10061085. (IF 4.03)
6. Aditya N Murthy, Punna Rao Ravi, Himanshu Kathuria, Rahul Vats. Self-assembled lecithin-chitosan nanoparticles improve the oral bioavailability and alter the pharmacokinetics of raloxifene. International Journal of Pharmaceutics (Elsevier), 2020, 588(15), 119731; https://doi.org/10.1016/j.ijpharm.2020.119731. (IF 4.85)
7. Chandra Teja Uppuluri, Punna Rao Ravi, Avantika V. Dalvi, Shafik Shakil Shaikh, Suvarna R. Kale. Piribedil loaded thermo-responsive nasal in situ gelling system for enhanced delivery to the brain: formulation optimization, physical characterization, and in vitro and in vivo evaluation. Drug Delivery and Translational Research (Springer Nature), 2020. https://doi.org/10.1007/s13346-020-00800-w. (IF 3.3)
8. Rimpy Diwan, Punna Rao Ravi, Nikita Shantaram Pathare, Vidushi Aggarwal. Pharmacodynamic, pharmacokinetic and physical characterization of cilnidipine loaded solid lipid nanoparticles for oral delivery optimized using the principles of design of experiment. Colloids and Surfaces B: Biointerfaces (Elsevier Science Ltd., England), 2020. https://doi.org/10.1016/j.colsurfb.2020.111073. (IF 4.1)
9. Rimpy Diwan, Shareef Khan, Punna Rao Ravi. Comparative study of cilnidipine loaded PLGA nanoparticles: process optimization by DoE, physico-chemical characterization and in vivo evaluation. Drug Delivery and Translational Research (Springer Nature), 2020. https://doi.org/10.1007/s13346-020-00732-5. (IF 3.3)
10. Pradeep Singh Rawat, Punna Rao Ravi, Laxman Kaswan, Rajeev Singh Raghuvanshi. Development and validation of a bio-analytical method for simultaneous quantification of nebivolol and labetalol in aqueous humor and plasma using LC-MS/MS and its application to ocular pharmacokinetic studies. Journal of Chromatography B (Elsevier), 2020. https://doi.org/10.1016/j.jchromb.2019.121908. (IF 2.81).
11. Ravi Kiran Panchakarla, Punna Rao Ravi, Kondapalli Venkata Gowri Chandra Sekhar. Selective and Sensitive UHPLC Method for the Trace Analysis of Formaldehyde in Drug Substance Using Fused-core Column Technology and Detailed Pre-column Derivatization study. Current Pharmaceutical Analysis. (Bentham Science), 2019. DOI: 10.2174/1573412916666191116115424 (e-print). (IF 0.9)
12. Avantika V. Dalvi, Chandra Teja Uppuluri, Ekta Prasanthi Bommireddy, Punna Rao Ravi. Design of experiments-based RP – HPLC bioanalytical method development for estimation of Rufinamide in rat plasma and brain and its application in pharmacokinetic study. Journal of Chromatography B (Elsevier Science Ltd., England), 1102-1103: 74-82, 2018. (IF 2.44)
13. Chandra Teja Uppuluri, Avantika V. Dalvi, Ekta Prasanthi Bommireddy, Punna Rao Ravi. Development and validation of rapid and sensitive LC methods with PDA and fluorescence detection for determination of piribedil in rat plasma and brain tissues and their pharmacokinetic application. Biomedical Chromatography (John Wiley & Sons, Inc.), 32(10), 2018 (IF 1.69)
14. Shailender Joseph, Punna Rao Ravi, Reddy Sirukuri Mrinalini, Dalvi Avantika,  Keerthi Priya Odapalli. Chitosan nanoparticles for the oral delivery of tenofovir disoproxil fumarate: formulation optimization, characterization and ex vivo and in vivo evaluation for uptake mechanism in rats. Drug Dev. Ind. Pharm. (Informa Healthcare, USA), 26: 1-11, 2018. (IF 2.43)
15. Nair R, Lamare I, Tiwari NK, Punna Rao Ravi, Pillai R. In Situ Salification in Polar Solvents: A Paradigm for Enabling Drug Delivery of Weakly Ionic Drugs as Amorphous Solid Dispersion. AAPS PharmSciTech (Springer). 19(1): 326-37, 2017. (IF 1.95)
16. Shailender Joseph, Punna Rao Ravi, Saha Paramita, Dalvi Avantika, Myneni Srividya. Tenofovir disoproxil fumarate loaded PLGA nanoparticles for enhanced oral absorption: Effect of experimental variables and in-vitro, ex-vivo and in-vivo evaluation. Colloids and Surfaces B: Biointerfaces (Elsevier Science Ltd., England), 158: 610-9, 2017. (IF 4.1)
17. Joseph Shailender, Punna Rao Ravi, Paramita Saha, Srividya Myneni. Oral Pharmacokinetic Interaction of Ester Rich Fruit Juices and Pharmaceutical Excipients with Tenofovir Disoproxil Fumarate in Male Wistar Rats. Xenobiotica (Informa Healthcare, England), 12: 1-8, 2017. (IF 1.72)
18. Punna Rao Ravi, Vats Rahul. Comparative pharmacokinetic evaluation of lopinavir and lopinavir‐loaded solid lipid nanoparticles in hepatic impaired rat model. Journal of Pharmacy and Pharmacology (John Wiley & Sons, Inc.), 26(7): 823-33, 2017. (IF 2.36)
19. Punna Rao Ravi, S. Joseph, U.S.R. Avula, S. Anthireddy. A Simple Liquid Chromatographic Method for the Determination of Tenofovir in Rat Plasma and Its Application to Pharmacokinetic Studies. Acta Chromatographica (Akademiai Kiado RT, Poland), 27(4): 597–612, 2015. (IF 0.523)
20. Punna Rao Ravi, Rahul Vats, Vikas Dalal, Nitin Gadekar, Aditya N. Design, Optimization and Evaluation of Poly-e-Caprolactone (PCL) Based Polymeric Nanoparticles for Oral Delivery of Lopinavir. Drug Dev. Ind. Pharm. (Informa Healthcare, USA), 41(1): 131–140, 2015. (IF 2.429)
21. Punna Rao Ravi, R. Vats, S. Joseph, N. Gadekar. Development and Validation of Simple, Rapid and Sensitive LC-PDA Ultraviolet Method for Quantification of Nebivolol in Rat Plasma and its Application to Pharmacokinetic Studies. Acta Chromatographica (Akademiai Kiado RT, Poland), 27(2): 281–294, 2015. (IF 0.523)
22. Punna Rao Ravi, N. Aditya, S. Patil, L. Cherian. Nasal In-Situ Gels for Delivery of Rasagiline Mesylate: Improvement in Bioavailability and Brain localization. Drug Deliv. (Informa Healthcare, USA), 22(7): 903-10, 2015. (IF 4.843)
23. Punna Rao Ravi, Rahul Vats, Jagadeesh Balija, Sathya Prabhu Naidu Adapa, N. Aditya. Modified Pullulan Nanoparticles for Oral Delivery of Lopinavir: Formulation and Pharmacokinetic Evaluation. Carbohydrate Polymers (Elsevier Science Ltd., England), 110: 320–328, 2014. (IF 4.219)
24. N. Aditya, Punna Rao Ravi, Uday Sai Ranjan Avula, Rahul Vats. Poly (e-Caprolactone) Nanocapsules for Oral Delivery of Raloxifene: Process Optimization by Hybrid Design Approach, In Vitro and In Vivo Evaluation. J Microencapsul. (Informa Healthcare, England), 31(5): 508–518, 2014. (IF 1.585)
25. Punna Rao Ravi, Rahul Vats, Vikas Dalal and Aditya Narasimha Murthy. A Hybrid Design to Optimize Preparation of Lopinavir Loaded Solid Lipid Nanoparticles and Comparative Pharmacokinetic Evaluation with Marketed Lopinavir/Ritonavir Coformulation. J Pharm Pharmacol. (Wiley-Blackwell, England), 66(7): 912-26, 2014. (IF 2.363)
26. Punna Rao Ravi, N. Aditya, Himanshu Kathuria, Srinivas Malekar, Rahul Vats. Lipid nanoparticles for oral delivery of raloxifene: Optimization, stability, in vivo evaluation and uptake mechanism. European Journal of Pharmaceutics and Biopharmaceutics (Elsevier Science BV, Netherlands), 87: 114–124, 2014. (IF 3.975)
27. Punna Rao Ravi, N. Aditya, L. Cherian, S. Patil. LC Method for Determination of Rasagiline Mesylate in Different Plasma Matrices and its Application to Oral Pharmacokinetic Study in Rabbits. Journal of Chromatographic Science (Oxford Univ. Press Inc., USA), 51(1):1–7, 2013. (IF 1.32)
28. Punna Rao Ravi, Rahul Vats, Upendra Reddy Kora. Effect of Ciprofloxacin and Grapefruit Juice on Oral Pharmacokinetics of Riluzole in Wistar Rats Journal of Pharmacy and Pharmacology (Wiley-Blackwell, England), 65: 337–344, 2013. (IF 2.363)
29. Punna Rao Ravi, N. Aditya, R. Vats. Development, Validation, and Pharmacokinetic Application of Liquid Chromatographic Method for Estimation of Raloxifene Hydrochloride in Rabbit Plasma. Acta Chromatographica (Akademiai Kiado RT, Poland), 24(4): 559–573, 2012. (IF 0.523)
30. Punna Rao Ravi, R. Vats, R. Thakur, S. Srivani, N. Aditya. Effect of Grapefruit Juice and Ritonavir on Pharmacokinetics of Lopinavir in Wistar Rats. Phytother. Res. (John Wiley & Sons, Inc.), 26(10): 1490-5, 2012. (IF 2.694)
31. Validation of a Simple, Rapid and Sensitive LC Method for Quantification of Riluzole in Rat Plasma and its Pharmacokinetic Application. J. Bioanal. Biomed. (2012) S6: 007. doi:10.4172/1948-593X.S6-007.
32. Rahul Vats, Aditya Narasimha Murthy, Punna Rao Ravi. Simple, Rapid and Validated LC Determination of Lopinavir in Rat Plasma and its Application in Pharmacokinetic Studies. Sci. Pharm, 79: 849–863, 2011. (Open Access)
33. Sajeev Chandran, Punna Rao Ravi, Pravin R. Jadhav, Ranendra N. Saha. Simple rapid validated LC method for the estimation of nimesulide in human serum and its application in bioavailability studies. Analytical Letters (Taylor & Francis Online), 41(13): 2437-2451, 2008. (IF 1.20)
34. Punna Rao Ravi, Udaya Kant Kotreka, Ranendra N. Saha. Controlled release matrix tablets of zidovudine: Effect of formulation variables on the in vitro drug release kinetics. AAPS PharmSciTech (Springer), 9: 302-313, 2008. (IF 1.95)
35. Punna Rao Ravi, Sindhura G., Ranendra N. Saha. Design and in vitro evaluation of zidovudine oral controlled release tablets prepared using hydroxypropyl methylcellulose. Chem. Pharm. Bull. (The Pharmaceutical Society of Japan), 56: 518-524, 2008. (IF 1.42)
36. Punna Rao Ravi, Sindhura G., Ranendra N. Saha; Design and study of lamivudine oral controlled release tablets. AAPS PharmSciTech (Springer), 8(4): 167-175, 2007. (IF 1.95)
37. Sajeev Chandran, Punna Rao Ravi, Ranendra N. Saha. Development and in vitro evaluation of oral controlled release formulations of celecoxib using optimization techniques. Journal of Pharmaceutical Society of Japan (Yakugaku Zasshi),126(7): 505-514, 2006. (Open Access)
38. Ranendra N. Saha, Sajeev Chandran, Girish B., Punna Rao Ravi; Studies on design and evaluation of controlled release polymeric discs for ocular delivery of Flurbiprofen and Celecoxib. Indian Journal of Pharmaceutical Sciences (Medknow Publications & Media Pvt. Ltd.), 64(3): 325-326, 2002. (IF 0.762)

1.      Punna Rao Ravi, Udaya Kant Kotreka, Ranendra N. Saha. Design and evaluation of oral controlled release tablet formulations of Lamivudine prepared using Ethyl cellulose and Carbopol-971P. The AAPS Journal, 9(S2), 2007

2.      Punna Rao Ravi, R. Vats, K.U. Reddy. Validation of a Simple, Rapid and Sensitive LC Method for Quantification of Riluzole in Rat Plasma and its Pharmacokinetic Application. Journal of Bianalysis and Biomedicin. S6:007, 2012.

3.      Punna Rao Ravi, Udaya Kant Kotreka, Ranendra N. Saha. Design and evaluation of oral controlled release tablet formulations of Zidovudine prepared using Ethyl cellulose and Carbopol 971P. The AAPS Journal; 8(S2), 2006.

4.      Punna Rao Ravi, Sindhura G., Ranendra N. Saha. Design and evaluation of oral controlled release tablet formulations of Lamivudine. The AAPS Journal; 7(S2), 2005.

5.      Punna Rao Ravi, Amit Mishra, Ranendra N. Saha. Design of oral controlled release formulations of Zidovudine using hydroxypropyl methylcellulose based tablets. The AAPS Journal; 6(S1), 2004.

6.      Punna Rao Ravi, Ranendra N. Saha. A new rapid, simple and validated UV spectrophotometric method for estimation of Zidovudine in bulk, formulations and dissolution samples. The AAPS Journal; 6(S1), 2004.

1.      Punna Rao Ravi, Sajeev Chandran. Application of polynomial & composite methods to optimize the design & development of controlled release oral drug delivery system; In: Mathematical Modeling- Application Issues & Analysis, Eds. Mishra BK., Satpathi DK,  Anne Books India, New Delhi, 2006, p15-21.