Peer-Reviewed Articles
2021
Karakoçak BB, Laradji A, Primeau T, Berezin MY, Li S, and Ravi N: Hyaluronan-Conjugated Carbon Quantum Dots for Bioimaging Use. ACS Appl. Mater. Interfaces. 2021 13(1):277–286. PMID: 33355448
2020
Laradji A, Shui Y, Karakoçak BB, Evans L, Hamilton PD, Ravi N: Bioinspired Thermosensitive Hydrogel as a Vitreous Substitute: Synthesis, Properties, and Progress of Animal Studies. Materials. 2020 Mar 15; 13(6): 1337. PMID: 32183465
2019
Karakoçak BB, Patel S, Ravi N, Biswas P: Investigating the Effects of Stove Emissions on Ocular and Cancer Cells. Nat. Sci. Rep. 2019 Feb 12; 9(1):1870. PMID: 30755694
Santhanam S, Shui Y, Struckhoff J, Karakoçak BB, Hamilton PD, Harocopos GJ, Ravi N: Bioinspired Fibrillary Hydrogel with Controlled Swelling Behavior: Applicability as an Artificial Vitreous. ACS Appl. Bio Mater. 2019 2(1):70-80. link
2018
Karakoçak BB, Liang J, Kavadiya S, Berezin M, Biswas P, and Ravi N: Optimization of Red-Emitting Nitrogen-doped Carbon Dots for Use in Bioimaging. ACS Appl. Nano Mater. 2018 1(7):3682-3692. link
Karakoçak BB, Liang J, Biswas P, Ravi N: Hyaluronate coating enhances the delivery and biocompatibility of gold nanoparticles. Carbohydr. Polym. 2018 Apr 15; 186:243-251. PMID: 29455984
2017
Liang J, Struckhoff JJ, Hamilton PD, Ravi N: Preparation and Characterization of Biomimetic β-Lens Crystallins Using Single-Chain Polymeric Nanoparticles. Langmuir. 2017 Aug 8; 33(31):7660-7668. PMID: 28658954
Liang J, Struckhoff JJ, Du H, Hamilton PD, Ravi N: Synthesis and characterization of in situ forming anionic hydrogel as vitreous substitutes. J. Biomed. Mater. Res. B. Appl. Biomater. 2017 Jul; 105(5):977-988. PMID: 26873608
2016
Liang J, Karakoçak BB, Struckhoff JJ, Ravi N: Synthesis and Characterization of Injectable Sulfonate-Containing Hydrogels. Biomacromolecules. 2016 Dec 12; 17(12):4064-4074. PMID: 27936721
Karakoçak BB, Raliya R, Davis JT, Chavalmane S, Wang WN, Ravi N, Biswas P: Biocompatibility of gold nanoparticles in retinal pigment epithelial cell line. Toxicol. In Vitro. 2016 Dec; 37:61-69. PMID: 27599945
Santhanam S, Liang J, Struckhoff J, Hamilton PD, Ravi N: Biomimetic hydrogel with tunable mechanical properties for vitreous substitutes. Acta Biomater. 2016 Oct 1; 43:327-337. PMID: 27481290
2015
Liang J, Cheng L, Struckhoff JJ, Ravi N: Investigating triazine-based modification of hyaluronan using statistical designs. Carbohydr. Polym. 2015 Nov 5; 132:472-80. PMID: 26256372
Santhanam S, Liang J, Baid R, Ravi N: Investigating thiol-modification on hyaluronan via carbodiimide chemistry using response surface methodology. J. Biomed. Mater. Res. A. 2015 Jul; 103(7):2300-8. PMID: 25369214
2014
Day TE, Ravi N, Xian H, Brugh A: Sensitivity of diabetic retinopathy associated vision loss to screening interval in an agent-based/discrete event simulation model. Comput. Biol. Med. 2014 Apr; 47:7-12. PMID: 24508563
2013
Day TE, Ravi N, Xian H, Brugh A: An Agent-Based Modeling Template for a Cohort of Veterans with Diabetic Retinopathy. PLoS One. 2013 Jun 21; 8(6):e66812. PMID: 23805280
Andley UP, Malone JP, Hamilton PD, Ravi N, Townsend RR: Comparative proteomic analysis identifies age-dependent increases in the abundance of specific proteins after deletion of the small heat shock proteins αA- and αB-crystallin. Biochemistry. 2013 Apr 30; 52(17):2933-48. PMID: 23590631
2012
Du H, Hamilton P, Reilly M, Ravi N: Injectable in situ physically and chemically crosslinkable gellan hydrogel. Macromol. Biosci. 2012 Jul; 12(7):952-61. PMID: 22707249
2011
Kleinberg TT, Tzekov RT, Stein L, Ravi N, Kaushal S: Vitreous substitutes: a comprehensive review. Surv. Ophthalmol. 2011 Jul-Aug; 56(4):300-23. PMID: 21601902
Andley UP, Hamilton PD, Ravi N, Weihl CC: A knock-in mouse model for the R120G mutation of αB-crystallin recapitulates human hereditary myopathy and cataracts. PLoS One. 2011 Mar 18; 6(3):e17671. PMID: 21445271
2010
Day TE, Li WM, Ingolfsson A, Ravi N: The use of queueing and simulative analyses to improve an overwhelmed pharmacy call center. J. Pharm. Pract. 2010 Oct; 23(5):492-5. PMID: 21507852
Reilly MA, Ravi N: A geometric model of ocular accommodation. Vision Res. 2010 Feb 8; 50(3):330-6. PMID: 19963002
2009
Hamilton PD, Jacobs DZ, Rapp B, Ravi N: Surface hydrophobic modification of fifth-generation hydroxyl-terminated poly(amidoamine) dendrimers and its effect on biocompatibility and rheology. Materials 2009, 2, 883-902. link
Du H, Hamilton PD, Reilly MA, d’Avignon A, Biswas P, Ravi N: A facile synthesis of highly water-soluble, core-shell organo-silica nanoparticles with controllable size via sol-gel process. J. Colloid. Interface Sci. 2009 Dec 15; 340(2):202-8. PMID: 19783256
Swindle-Reilly KE, Shah M, Hamilton PD, Eskin TA, Kaushal S, Ravi N: Rabbit study of an in situ forming hydrogel vitreous substitute. Investig. Ophthalmol. Vis. Sci. 2009 Oct; 50(10):4840-6. PMID: 19324846
Reilly M, Ravi N: Microindentation of the young porcine ocular lens. J. Biomech. Eng. 2009 Apr; 131(4):044502. PMID: 19275444
Reilly MA, Perry G, Ravi N: A dynamic microindentation device with electrical contact detection. Rev. Sci. Instrum. 2009 Jan; 80(1):015105. PMID: 19191461
Reilly MA, Hamilton PD, Perry G, Ravi N: Comparison of the behavior of natural and refilled porcine lenses in a robotic lens stretcher. Exp. Eye Res. 2009 Mar; 88(3):483-94. PMID: 19041865
2008
Andley UP, Hamilton PD, Ravi N: Mechanism of insolubilization by a single-point mutation in alphaA-crystallin linked with hereditary human cataracts. Biochemistry. 2008 Sep 9; 47(36):9697-706. PMID: 18700785
Reilly MA, Rapp B, Hamilton PD, Shen AQ, Ravi N: Material characterization of porcine lenticular soluble proteins. Biomacromolecules. 2008 Jun; 9(6):1519-26. PMID: 18471013
Swindle KE, Hamilton PD, Ravi N: In situ formation of hydrogels as vitreous substitutes: Viscoelastic comparison to porcine vitreous. J. Biomed. Mater. Res. A. 2008 Dec 1; 87(3):656-65.
PMID: 18189301
Reilly MA, Hamilton PD, Ravi N: Dynamic multi-arm radial lens stretcher: a robotic analog of the ciliary body. Exp. Eye Res. 2008 Jan; 86(1):157-64. PMID: 18068804
2007
Swindle KE, Ravi N: Recent advances in polymeric vitreous substitutes. Expert Rev. Ophthalmol. 2007 2(2):255-265 link
Zhang D, Hamilton PD, Kao JL-F, Venkataraman S, Wooley KL, Ravi N: Formation of nanogel aggregates by an amphiphilic cholesteryl‐poly(amidoamine) dendrimer in aqueous media. J. Polym. Sci. Part A: Polymer Chemistry. 2007 45:2569-2575 link
2006
Foster WJ, Aliyar HA, Hamilton PD, Ravi N: Internal Osmotic Pressure as a Mechanism of Retinal Attachment in a Vitreous Substitute. J. Bioact. Compat. Polym. 2006 21(3):221-235 link
2005
Aliyar HA, Hamilton PD, Ravi N: Refilling of ocular lens capsule with copolymeric hydrogel containing reversible disulfide. Biomacromolecules. 2005 Jan-Feb; 6(1):204-11. PMID: 15638522
Aliyar HA, Hamilton PD, Remsen EE, Ravi N: Synthesis of Polyacrylamide Nanogels by Intramolecular Disulfide Cross-linking. J. Bioact. Compat. Polym. 2005 20(2):169-181 link
Ravi N, Aliyar HA, Hamilton PD: Hydrogel Nanocomposite as a Synthetic Intra-Ocular Lens Capable of Accommodation Macromol. Symp. 2005 227(1):191-202 link
2004
2003
2002
Ravi N, Mitra A, Hamilton P, Horkay F: Characterization of the network properties of poly(ethylene glycol)–acrylate hydrogels prepared by variations in the ethanol–water solvent composition during crosslinking copolymerization. J. Polym. Sci. Part B: Polymer Physics. 2002 40:2677–2684 link
2001
Shanmugananda Murthy K, Ravi N: Hydrogels as potential probes for investigating the mechanism of lenticular presbyopia. Curr. Eye Res. 2001 22(5):384-393 link
2000
1999
1998
1997
1996
Chuck RS, Ravi, N: Development of an injectable intraocular lens for preservation of accommodation. Investig. Ophthalmol. Vis. Sci. 1996 37(3):S770 link
1995
1994
Bukanov N, Ravi VN, Miller D, Srivastava K, Berg DE: Pseudomonas aeruginosa corneal ulcer isolates distinguished using the arbitrarily primed PCR DNA fingerprinting method.
Curr. Eye Res. 1994 Nov;13(11):783-90. PMID: 7851113
Mahato RI, Thies C, Lubiniewski A, Ravi VN: Polymer mixture nanoparticles for
ocular drug delivery. Investig. Ophthalmol. Vis. Sci. 1994 35: 2218
1993
Book Chapters
- Reilly MA, Swindle-Reilly KE, Ravi N. In Situ-Forming Ophthalmic Prostheses. In: Novel biomedical hydrogels: biochemistry, manufacture, and medical applications. S. Rimmer, Editor. Woodhead Publishing Ltd.: 118-148, 2011.
- Swindle-Reilly KE, Ravi N. Designing hydrogels as vitreous substitutes in ophthalmic surgery. In: Biomaterials and Regenerative Medicine in Ophthalmology. Traian Chirila, Editor. CRC Press, Woodhead Publishing Ltd.: 339-373, 2010.
- Ravi N and Aliyar HA. Tissue reaction to prosthetic materials. Chapter in Primary care in surgery: Health promotion and disease prevention in patients with implanted prosthetic devices. Editors F. E. Johnson, J.G. Goldstone, K.S. Virgo. Publisher Humana (2006).
- Ravi N, Mitra A, Zhang L, Szabo B. The effect of hydrophobicity on the viscoelastic creep characteristics of poly(ethylene glycol)-acrylate hydrogels. In: Polymer gels: Fundamental and applications; Bohidar HB, Dublin P, Osada Y., ed., ACS Symposium Series 833, American Chemical Society, Washington, DC, 2002, p233.
- Ward TC, Wnuk A, Shcori E, Viswanathan R, and McGrath JE. Poly (Arlene Ether-Sulfone) – Poly (Aryl Carbonate) Block Copolymers. In: Advances in Chemistry, S276: 293, 1979.
Patents
- Ravi N. Reversible hydrogel systems and methods thereof. US Patent number: US 8192485 B2. June 5, 2012. Assignee Department of Veterans Affairs and Washington University in St. Louis, St.Louis, MO.
- Ravi N. Hydrogel nanocomposites for ophthalmic applications. Patent number: US 8153156 B2. April 10, 2012. Assignee Department of Veterans Affairs and Washington University in St. Louis, St. Louis, MO.
- Ravi N. Hydrogel nanocomposite for intraocular lens applications. US patent number: US 20110144228 A1. Jun 16, 2011, Assignee Department of Veterans Affairs, St.Louis, MO.
- Ravi N. Managing glycemic status in diabetic patients. Patent number: 7670794. March 2, 2010. Assignee Washington University in St. Louis, St. Louis, MO.
- DePrince RB, Viswanathan R. Layered Compression Molded Device for the Sustained Release of a Beneficial Agent. The United States Number 4,898,733. Feb 6, 1990. Assignee International Minerals and Chemical corporation. Terre Haute, IN
- Shalati MD, Viswanathan R. Sustained Release Implant and Method for Preparing. The United States Patent Number 4,761,289. August 1988, Assignee International Minerals and Chemical corporation. Terre Haute, IN