Dr. Ram B. Gupta

Starting August 15, 2014:

Associate Dean for Research, School of Engineering

Professor, Department of Chemical and Life Science Engineering

Virginia Commonwealth University

601 West Main Street, Suite 331, Richmond, VA 23284-3068

Phone: (804) 828-1211 | Cell phone: (334) 707-2013

Email: rbgupta| Web: www.people.vcu.edu/~rbgupta




2011 –2014

Program Director, Energy for Sustainability, The National Science Foundation: The Energy for Sustainability supports fundamental research and education that will enable innovative processes for the sustainable production of electricity and transportation fuels.  Processes for sustainable energy production must be environmentally benign, reduce greenhouse gas production, and utilize renewable resources.  Projects include those related to biofuels, photovoltaic solar energy, wind energy, and advanced batteries for transportation.  More details. 


1995 –2014

Walt and Virginia Woltosz chair Professor

Department of Chemical Engineering
Auburn University
212 Ross Hall

Auburn, AL 36849-5127, USA
Phone: +1 (334) 844-2013; Fax: (334) 844-2063
Cell: (334) 707-2013; Send text messages here
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Web: www.eng.auburn.edu/users/gupta



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Ram B. Gupta, U.B. Kompella (eds.)

Nanoparticle Technology for Drug Delivery

Taylor & Francis, New York, 2006  more details

Ram B. Gupta, J.J. Shim

Solubility in Supercritical Carbon Dioxide

CRC Press, Boca Raton, 2007

more details


M.E. Prudich, H. Chen, T. Gu, Ram B. Gupta, K. P. Johnston, H. Lutz, G. Ma, Z. Su

Perry's Chemical Engineers' Handbook 8/E Section 20:Alternative Separation Processes

McGraw-Hill Professional, New York, 2008  more details

Ram B. Gupta (ed.)

Hydrogen Fuel: Production, Storage, and Transport

CRC Press, Boca Raton, FL 2008

more details



Ram B. Gupta, Ayhan Dermirbas

Gasoline, Diesel and Ethanol Biofuels from Grasses and Plants

Cambridge University Press, Cambridge, 2010

more details



Research Interests


Energy and Fuels

·        Supercritical carbon dioxide technology

·        Nanotechnology

·        Nanoparticles

·        Nanomedicine

·        Controlled release

·        Nanomixing

·        Particle handling

·        Smart medicine

·        Supercritical water technology

·        Hydrogen fuel

·        Renewable fuels

·        Bio-energy

·        Liquid fuels from biomass

·        Cellulose and lignin de-polymerization

·        Cellulosic gasoline, ethanol and diesel

·        CO2 sequestration



Post-doc (1995), Chemical Engineering, University of California, Berkeley, USA.

Ph.D. (1993), Chemical Engineering, University of Texas, Austin, USA.

M.S. (1989), Chemical Engineering, University of Calgary, Calgary, Canada.

B.E. (1987), Chemical Engineering, Indian Institute of Technology (formerly University of Roorkee), Roorkee, India.


Board and Consulting Positions

2013 –        Member of Editorial Advisory Board, ACS Sustainable Chemistry & Engineering journal

2011 – 12   President, National Academy of Inventors – Auburn University chapter

2010 – 11   Member of Auburn University Tenure and Promotion Committee

2010 – 11   Senior Editor, The Insciences Journal: NanoTechnology

2010 – 10   Member of Research Advisory Council, Indian Oil Corporation Ltd.

2008 – 11   Editorial Board, The Open Nanomedicine Journal

2008 – 11   Member of Editorial Board, Journal of Nanotechnology

2008 – 11   Member of Editorial Board, Research Letters in Chemical Engineering journal

2008 – 11   Member of Editorial Board, Research Letters in Nanotechnology journal

2005 – 11   Member of Editorial Board, Journal of Biomedical Nanotechnology journal

2005 – 07   Member of Editorial Board, Nanomedicine: Nanotechnology, Biology and Medicine journal

2004 – 10   Member of Engineering Faculty Council, Auburn University

2004 – 06   Member of Editorial Advisory Board, Industrial & Engineering Chemistry Research journal

2002 – 07   Member of Patent and Invention Disclosure Review Committee, Auburn University

2001 – 11   Consultant to five major chemical and pharmaceutical companies

2000 – 01   President, India Cultural Association of East Alabama


Honors and Awards

18. Wright A. Gardner Award, Alabama Academy of Science (March 21, 2013)

17. Faculty Research Award, Senior Award, Auburn Alumni Engineering Council (2009)

16. Fellow of Alabama Academy of Science (March 20, 2008)

15. Auburn University Distinguished Graduate Faculty Lecture (May 7, 2007)

14. DuPont Science and Engineering Awards (2002, 2003, 2004)

13. Who’s Who in Nanotechnology (nanovantage.com, 2004)

12. Auburn Alumni Engineering Council Senior Faculty Research Award (2002, 2009)

11. James A. Shannon Director’s Award, The National Institutes of Health (1998)

10. Auburn Alumni Engineering Council Junior Faculty Research Award (1998)

 9. Alabama NSF-EPSCoR Young Faculty Career Enhancement Award (1997)

 8. Professional Development Award, University of Texas at Austin (1993)

 7. President CSChE Graduate Chapter, University of Calgary (1988)

 6. United Nations' Youth Ambassador to India (1987)

 5. Dr. N. Gopalkrishna Silver Medal, IIT Roorkee (1987)

 4. University Silver Medal, “Transfer Processes Group,” IIT Roorkee (1987)

 3.  University Silver Medal, “Thermodynamics, Kinetics & Process Design Group,” Roorkee (1987)

 2. Second Prize in All India Technical Design Contest (1986)

 1. Second Prize in All India Technical Quiz Contest (1986)


Book Chapters

16. Ramsurn, Hema; Gupta, Ram B., Hydrogenation by Nanoparticle Catalysts, in New and Future Developments in Catalysis. Catalysis by Nanoparticles, Elsevier, Amsterdam 2013.

15. Cai, Wensheng; Gupta, Ram B., Hydrogels, in Kirk-Othmer Chemical Technology of Cosmetics, Wiley (2013), 597-629. 

14. Louvier-Hernandez, Jose F.; Gupta, Ram B., Chitin and Chitosan as Biomaterials Building Blocks, in Polysaccharide Building Blocks: A Sustainable Approach to the Development of Renewable Biomaterials, John Wiley & Sons, Inc., Hoboken, New Jersey, 2012.

13. Gupta, Ram B., Reaction Engineering for Biomass Conversion, in Advances in Catalytic Reaction Engineering, The Catalyst Group Resources, Inc., Spring House, PA, 2011.

12. Gupta, R.B.; Pant, K.K., Fundamentals and Use of Hydrogen as a Fuel, in Hydrogen Fuel: Production, Transport and Storage, CRC Press, Boca Raton, 2008.

11. Gupta, R.B.; Pant, K.K., Hydrogen Storage in Metal Hydrides, in Hydrogen Fuel: Production, Transport and Storage, CRC Press, Boca Raton, 2008.

10. Gupta, R.B.; Pant, K.K., Hydrogen Storage in Carbon Materials, in Hydrogen Fuel: Production, Transport and Storage, CRC Press, Boca Raton, 2008.

 9. Cai, W.; Gupta, R.B., Hydrogel, in Kirk-Othmer Encyclopedia of Chemical Technology, Concise 5th edition, John Wiley & Sons, New York, 2007.

 8. Gupta, Ram B.  Polymer or protein stabilized nanoparticles from emulsions.    Drugs and the Pharmaceutical Sciences (2006), 159 (Nanoparticle Technology for Drug Delivery), 85-102.

 7. Gupta, Ram B.  Supercritical fluid technology for particle engineering.    Drugs and the Pharmaceutical Sciences (2006), 159 (Nanoparticle Technology for Drug Delivery), 53-84.

 6. Gupta, Ram B.  Fundamentals of drug nanoparticles.    Drugs and the Pharmaceutical Sciences (2006), 159 (Nanoparticle Technology for Drug Delivery), 1-19.

 5. Gupta R.B., Supercritical Water Oxidation, in Encyclopedia of Chemical Processing, Marcel Dekker, 2005.

 4. Gupta R.B., Supercritical Fluid Extraction, in Encyclopedia of Chemical Processing, Marcel Dekker, 2005.

 3. Gupta, R.B., Supercritical CO2 and H2O Based Technologies for Zero Discharge, in Process Pollution Prevention Towards Zero Discharge, edited by T. Das, Wiley Interscience, Hoboken, NJ, 2005, pages 406-415.

 2. Bandi, N.; Gupta, Ram B.; Roberts, Christopher B.; Kompella, Uday B., Formulation of Controlled-Release Drug Delivery Systems in “Supercritical Fluid Technology for Drug Product Development” Eds. Peter York, Uday B. Kompella, and Boris Shekunov, Marcel Dekker, New York, 2004, pages 367-410.

 1. Cai, W.; Gupta, R.B., Hydrogel, in Kirk-Othmer Encyclopedia of Chemical Technology, John Wiley & Sons, New York, 2002. 


Patents (partial list)

1.     Gupta, R.B.; Chattopadhyay, P.  Method of forming nanoparticles and microparticles of controllable size using supercritical fluids with enhanced mass transfer, US Patent 6,620,351; September 16, 2003.  This technology has been licensed to Thar Technologies, Inc., Pittsburgh for commercialization, in 2001. more details

2.     Gupta, Ram B.; Chattopadhyay, Pratibhash, Method for Manufacture of Fine Particles, WO02093132 (2002)

3.     Elton, David J.; Gupta, Ram B..  Water stabilization using microparticles. PCT Int. Appl.  (2009), 32pp.  CODEN: PIXXD2  WO  2009020594  A1  20090212

4.     Gupta, Ram B., Kumar, S.; Kong, L., Biomass to Biochar Conversion in Subcritical Water, U.S. Patent 8,637,718 B2; January 28, 2014


Laboratory Equipment

Dr. Gupta’s laboratory is in rooms 205, 206, 222 Wilmore in the College of Engineering. The laboratory has following equipment:  Fourier-Transform Infrared (FTIR) Spectrometer; Genesis-2 UV-Vis Spectrophotometer; Sonics and Materials’ 1500 Watt-20 kHz Sonochemical Apparatus; Ultrasonic Engery Systems’ 640 kHz Sonochemical Apparatus; Water's High-Pressure Liquid Chromatograph (HPLC); Varian Gas Chromatograph (GC); Micrometering Pumps; UV Crosslinker; NICOMP 380 Dynamic Light Scattering; High Pressure Pumps; Mixing Vessels; Metler Toledo AG204DR High Sensitivity Balance; Isotemp 280A High-Temperature Vacuum Oven; Large Hood; Temperature Controllers; High Pressure Cells with Sapphire Windows; Hydrogen Bonding Apparatus; Accumet BASIC Microprocessor pH/mV/°C Meter; Fisher Refractometer; Supercritical Water Oxidation Apparatus; Supercritical Antisolvent Apparatus; High Pressure Phase Equilibria Appartatus, Supercritical Nanoparticle Apparatus; Thermolyne Furnace; Supercritical Water Apparatus for Hydrogen Production; Surface Area Analyzer; SCW Bioenergy apparatus; Total Organic Carbon Analyzer; Photochemical Reactor; etc.


Graduate Students and Postdocs

Current Graduate Students: Shaima Nahreen, Richard Cullum, Emmanuel Nyankson, Muslum Demir


Current Visiting Scholars and Postdocs: Abdulkadir Ayanoglu


Current Undergraduate Research Students: Matthew DeCuir


Former Graduate Students: Pratibhash Chattopadhyay  (Ferro Corporation, Cleveland, OH), Poongunran Muthukumaran (Aspen Aerogel, Inc., MA), Ray L. Brinkley (Southern Testing and Research Laboratory, Wilson, NC),   Michael Dubbs (3M, Decatur, AL), James D. Seymour (Walk Haydel, New Orleans, LA), Rajesh Kumar (Alkermes, Inc. Cambridge , MA), Eric Anderson (Merck & Co., Elkton, VA), Raghu Vishawnathan (Alstom, Switzerland), Amol Thote (Bayer Healthcare Pharmaceuticals, Emeryville, CA), Ranjit Thakur (Novartis, Basel, Switzerland) , Jayant Gadhe (Deepak Novochem, Mumbai, India), Kayoko Ono (Medtronics, Tokyo, Japan), Ganesh Sanganwar (Syngenta, Greensboro, NC), Sateeshkumar Sathigari (Patheon, Durham, NC), Sandeep Kumar (Old Dominion University, Norfolk, VA), Melinda Hemingway (Agilent, TX), Adam Byrd (FMW Composites, WV), Suchithra Thangalazhy-Gopakumar (Nottingham University, Malaysia), Siddharth Gulumuru (Shell, TX), Courtney Ober (Evonik, AL), Hema Ramsurn (University of Tulsa, OK)


Outstanding PhD Students (Award by Auburn University): Year 1999: Rajesh Kumar (Alkermes, Inc. Cambridge, MA); Year 2002: Pratibhash Chattopadhyay  (Ferro Corporation, Cleveland, OH); Year 2005: Amol Thote (Bayer Healthcare Pharmaceuticals, Emeryville, CA); Year 2006: Ranjit Thakur (Novartis, Basel, Switzerland); Year 2010: Sateeshkumar Sathigari (Patheon, Durham, NC); Year 2011: Adam Byrd (FMW Composites, WV); Year 2013: Hema Ramsurn (University of Tulsa, OK)


Former Visiting Scholars: Dr. Cai Wensheng, Demitri Varlamov, Mr. Jose Francisco Louvier, Prof. Jae-Jin Shim, Prof. K.K. Pant, Prof. Ahyan Demirbas, Mr. Mehmet Gonen, Mr. Heyang Jin, Dr. Lingzhao Kong


Former Undergraduate Research Students: Keeley Greynolds, Deandra Miller, Len Pritchett, Jeremy Brooks , Adam Anderson, Daniel Lilly, Deepak Sree, Harvey Barnett, John Chappel, Kate Wilbank, Sheena Lewis, Thushari Abesingha, Haley Brooks, Suhaila Rowe, Auburn Hudgins, Hailey Capps, Alisha Peterson, Scott Novack, Stacy Sommerfield, James Craig Smith, Stephen Montgomery, Michael O'Guin, AJ Murphy, Alex Roman


Group Pictures:

March 1998

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March 1999

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October 2003

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June 2004

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March 2005

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December 2006

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December 2007

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February 2008

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February 2009

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November 2009

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February 2010

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January 2011

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April 2011

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July 2011

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January 2013


April 2014


July 2014







Selected Publications

97. Nyankson, Emmanuel; Ober, Courtney A.; DeCuir, Matthew J.; Gupta, Ram B., A Comparison of the Effectiveness of Solid and Solubilized Dioctyl Sodium Sulfosuccinate (DOSS) on Oil Dispersion Using the Baffled Flask Test, for Crude Oil Spill Applications, Industrial & Engineering Chemistry Research 2014, 53, 11862-11872. more details

96. Ramsurn, Hema; Gupta, Ram B., Nanotechnology in Solar and Biofuels, ACS Sustainable Chemistry & Engineering (2013), 1(7), 779-797.  more details

95. Ramsurn, Hema; Gupta, Ram B., Deoxy-liquefaction of switchgrass in supercritical water with calcium formate as an in-situ hydrogen donor, Bioresource Technology (2013), 143, 575–583. more details

94. King, Jerry W.; Gupta, Ram B.; Hutchenson, Keith W.; McHugh, Mark A.; Temelli, Feral, Special issue-10th International Symposium on Supercritical Fluids, Journal of Supercritical Fluids (2013), 79, 1. more details

93. Nahreen, Shaima; Gupta, Ram B., Conversion of the Acetone-Butanol-Ethanol (ABE) Mixture to Hydrocarbons by Catalytic Dehydration, Energy & Fuels 2013, 27(4), 2116-2125. more details

92. Ober, Courtney A.; Montgomery, Stephen E.; Gupta, Ram B., Formation of itraconazole/L-malic acid cocrystals by gas antisolvent cocrystallization, Powder Technology 2013, 236, 122-131. more details

91. Ober, Courtney A.; Kalombo, Lonji; Swai, Hulda; Gupta, Ram B., Preparation of rifampicin/lactose microparticle composites by a supercritical antisolvent-drug excipient mixing technique for inhalation delivery, Powder Technology 2013, 236, 132-138. more details

90. Ober, Courtney A.; Gupta, Ram B., Formation of Itraconazole-Succinic Acid Cocrystals by Gas Antisolvent Cocrystallization, AAPS PharmSciTech (2012), 13(4), 1396-1406. more details

89. Suchithra Thangalazhy-Gopakumar, Sushil Adhikari, Shyamsundar Ayalur Chattanathan, Ram B. Gupta, Catalytic pyrolysis of green algae for hydrocarbon production using H+ZSM-5 catalyst, Bioresource Technology 2012 118, 150-157. more details

88. Thangalazhy-Gopakumar, Suchithra; Adhikari, Sushil; Gupta, Ram B., Catalytic Pyrolysis of Biomass over H+ZSM-5 under Hydrogen Pressure, Energy & Fuels 2012 26(8), 5300-5306. more details

87. Ober, C.A., Gupta, R.B., pH Control of Ionic Liquids with Carbon Dioxide and Water: 1-Ethyl-3-methylimidazolium Acetate. Ind. Eng. Chem. Res. 2012 51 (6), 2505-2820. more details

86. Ramsurn, H., Gupta, R.B., Production of Biocrude from Biomass by Acidic Subcritical Water Followed by Alkaline Supercritical Water Two-Step Liquefaction.  Energy & Fuels 2012 26 (4), 2365-2375. more details

85. Jin, H., Hemingway, M., Gupta, R.B.; Xia, F., Zhao, Y., Preparation of thalidomide nano-flakes by supercritical antisolvent with enhanced mass transfer, Particuology 2012 10 (1), 17-23. more details

84. Ober, C.A., Gupta, R.B., Nanoparticle Technology for Drug Delivery, Ide@s CONCYTEG 2011 6 (72), 719-731. more details

83. Thangalazhy-Gopakumar, Suchithra; Adhikari, Sushil; Gupta, Ram B.; Tu, Maobing; Taylor, Steven, Production of hydrocarbon fuels from biomass using catalytic pyrolysis under helium and hydrogen environments , Bioresource Technology (2011), 102(12), 6742-6749. more details

82. Sathigari, Sateesh Kumar; Ober, Courtney A.; Sanganwar, Ganesh P.; Gupta, Ram B.; Babu, R. Jayachandra, Single-step preparation and deagglomeration of itraconazole microflakes by supercritical antisolvent method for dissolution enhancement, Journal of Pharmaceutical Sciences (2011), 100(7), 2952-2965. more details

81. Ramsurn, Hema; Kumar, Sandeep; Gupta, Ram B., Enhancement of Biochar Gasification in Alkali Hydrothermal Medium by Passivation of Inorganic Components Using Ca(OH)2, Energy & Fuels (2011), 25(5), 2389-2398. more details

80. Byrd, Adam J.; Kumar, Sandeep; Kong, Lingzhao; Ramsurn, Hema; Gupta, Ram B.. Hydrogen production from catalytic gasification of switchgrass biocrude in supercritical water, International Journal of Hydrogen Energy (2011), 36(5), 3426-3433. more details

79. Thangalazhy-Gopakumar, Suchithra; Adhikari, Sushil; Gupta, Ram B.; Fernando, Sandun D.. Influence of Pyrolysis Operating Conditions on Bio-Oil Components: A Microscale Study in a Pyroprobe, Energy & Fuels (2011), 25 (3), 1191–1199. more details

78. Kumar, Sandeep; Kothari, Urvi; Kong, Lingzhao; Lee, Y. Y.; Gupta, Ram B. Hydrothermal pretreatment of switchgrass and corn stover for production of ethanol and carbon microspheres, Biomass and Bioenergy (2011), 35(2), 956-968. more details

77. Hemingway, Melinda G.; Gupta, Ram B.; Elton, David J.  Hydrogel Nanopowder Production by Inverse-Miniemulsion Polymerization and Supercritical Drying.    Industrial & Engineering Chemistry Research  (2010),  49(20),  10094-10099. more details

76. Thangalazhy-Gopakumar, Suchithra; Adhikari, Sushil; Ravindran, Harideepan; Gupta, Ram B.; Fasina, Oladiran; Tu, Maobing; Fernando, Sandun D.  Physiochemical properties of bio-oil produced at various temperatures from pine wood using an auger reactor.    Bioresource Technology  (2010),  101(21),  8389-8395. more details

75. Byrd, Adam J.; Gupta, Ram B..  Stability of cerium-modified .gamma.-alumina catalyst support in supercritical water.    Applied Catalysis, A: General  (2010),  381(1-2),  177-182. more details

74. Sanganwar, Ganesh P.; Sathigari, Sateeshkumar; Babu, R. Jayachandra; Gupta, Ram B..  Simultaneous production and co-mixing of microparticles of nevirapine with excipients by supercritical antisolvent method for dissolution enhancement. European Journal of Pharmaceutical Sciences (2010),  39(1-3),  164-174. more details

73. Kumar, Sandeep; Gupta, Rajesh; Lee, Y. Y.; Gupta, Ram B..  Cellulose pretreatment in subcritical water: Effect of temperature on molecular structure and enzymatic reactivity. Bioresource Technology (2010),  101(4),  1337-1347. more details

72. Sanganwar, Ganesh P.; Gupta, Ram B..  Nano-mixing of dipyridamole drug and excipient nanoparticles by sonication in liquid CO2. Powder Technology (2009),  196(1),  36-49. more details

71. Kumar, Sandeep; Gupta, Ram B..  Biocrude Production from Switchgrass Using Subcritical Water. Energy & Fuels  (2009),  23(10),  5151-5159. more details

70. Sanganwar, Ganesh P.; Gupta, Ram B.; Ermoline, Alexandre; Scicolone, James V.; Dave, Rajesh N.  Environmentally benign nanomixing by sonication in high-pressure carbon dioxide.    Journal of Nanoparticle Research  (2009),  11(2),  405-419. more details

69. Gonen, Mehmet; Balkose, Devrim; Gupta, Ram B.; Ulku, Semra.  Supercritical Carbon Dioxide Drying of Methanol-Zinc Borate Mixtures.    Industrial & Engineering Chemistry Research  (2009),  48(14),  6869-6876. more details

68. Flores-Ramirez, N.; Luna-Barcenas, G.; Vasquez-Garcia, S. R.; Munoz-Saldana, J.; Elizalde-Pena, E. A.; Gupta, R. B.; Sanchez, I. C.; Gonzalez-Hernandez, J.; Garcia-Gaitan, B.; Villasenor-Ortega, F.   Hybrid natural-synthetic chitosan resin: thermal and mechanical behavior.    Journal of Biomaterials Science, Polymer Edition  (2008),  19(2),  259-273. more details

67. Kumar, Sandeep; Gupta, Ram B..  Hydrolysis of Microcrystalline Cellulose in Subcritical and Supercritical Water in a Continuous Flow Reactor.    Industrial & Engineering Chemistry Research  (2008),  47(23),  9321-9329. more details

66. Sanganwar, Ganesh P.; Gupta, Ram B..  Dissolution-rate enhancement of fenofibrate by adsorption onto silica using supercritical carbon dioxide.    International Journal of Pharmaceutics  (2008),  360(1-2),  213-218. more details

65. Byrd, Adam J.; Pant, K. K.; Gupta, Ram B..  Hydrogen production from glycerol by reforming in supercritical water over Ru/Al2O3 catalyst.    Fuel  (2008),  87(13-14),  2956-2960. more details

64. Sanganwar, Ganesh P.; Gupta, Ram B..  Enhancement of shelf life and handling properties of drug nanoparticles: nanoscale mixing of itraconazole with silica.    Industrial & Engineering Chemistry Research  (2008),  47(14),  4717-4725. more details

63. Byrd, Adam J.; Pant, K. K.; Gupta, Ram B..  Hydrogen Production from Ethanol by Reforming in Supercritical Water Using Ru/Al2O3 Catalyst.    Energy & Fuels  (2007),  21(6),  3541-3547. more details

62. Gadhe, Jayant B.; Gupta, Ram B.  Hydrogen production by methanol reforming in supercritical water: Catalysis by in-situ-generated copper nanoparticles.    International Journal of Hydrogen Energy (2007), 32(13), 2374-2381. more details

61. Byrd, Adam J.; Pant, K. K.; Gupta, Ram B.  Hydrogen Production from Glucose Using Ru/Al2O3 Catalyst in Supercritical Water.    Industrial & Engineering Chemistry Research (2007), 46(11), 3574-3579. more details

60. Quintero-Ortega, Iraís A.; Vivaldo-Lima, Gupta, Ram B.; Eduardo; Luna-Bárcenas, Gabriel; Penlidis, Alexander, Modeling of the Homogeneous Free-Radical Copolymerization Kinetics of Fluoromonomers in Carbon Dioxide at Supercritical Conditions, Journal of Macromolecular Science w, Part A: Pure and Applied Chemistry (2007) 44, 205–213. more details

59. Thakur, Ranjit; Gupta, Ram B., Rapid expansion of supercritical solution with solid cosolvent (RESS-SC) process: Formation of 2-aminobenzoic acid nanoparticle, Journal of Supercritical Fluids (2006), 37, 307-315. more details

58. Thakur, Ranjit; Gupta, Ram B..  Formation of phenytoin nanoparticles using rapid expansion of supercritical solution with solid cosolvent (RESS-SC) process.    International Journal of Pharmaceutics  (2006),  308(1-2),  190-199. more details

57. Gadhe, Jayant B.; Gupta, Ram B.; Elder, Thomas.  Surface modification of lignocellulosic fibers using high-frequency ultrasound.    Cellulose (Dordrecht, Netherlands)  (2006),  13(1),  9-22. more details

56. Thote Amol J; Gupta Ram B  Formation of nanoparticles of a hydrophilic drug using supercritical carbon dioxide and microencapsulation for sustained release.    Disease-a-month : DM  (2005),  51(6),  362-73. more details

55. Thakur, Ranjit; Gupta, Ram B.  Rapid Expansion of Supercritical Solution with Solid Cosolvent (RESS-SC) Process: Formation of Griseofulvin Nanoparticles.    Industrial & Engineering Chemistry Research (2005), 44(19), 7380-7387. more details

54. Thakur, Ranjit; Gupta, Ram B.  Supercritical CO2 Based Silica Coating of Gold Nanoparticles Using Water-in-Oil Microemulsions.    Industrial & Engineering Chemistry Research (2005), 44(9), 3086-3090. more details

53. Thote, Amol J.; Chappell, John T., Jr.; Gupta, Ram B.; Kumar, Rajesh.  Reduction in the initial-burst release by surface crosslinking of PLGA microparticles containing hydrophilic or hydrophobic drugs.    Drug Development and Industrial Pharmacy  (2005),  31(1),  43-57. more details

52. Flores-Ramírez, Nelly.;  Eduardo A. Elizalde- Peña; Gabriel Luna-Bárcenas; Salomón R. Vásquez-García; Jesús González-Hernández; Agustín Martinez-Ruvalcaba; Isaac C. Sanchez; Ram B. Gupta, “Characterization and Degradation of Functionalized Chitosan with Glycidyl Methacrylate,” Journal of Biomaterials Science, Polymer Edition, April 2005, vol. 16, iss. 4, pp. 473-488(16) 2005. more details

51. Thakur, R.; Gupta, Ram B. “Production of Hydrocortisone Micro- and Nano-particles using Supercritical Antisolvent with Enhanced Mass Transfer, Chem. Eng. Comm., 193:293–305, 2006. more details

50. Louvier-Hernández, José F.; Luna-Bárcenas G.; Thakur, R.; Gupta, Ram B. “Formation of chitin nano-fibers by supercritical antisolvent,” Journal of Biomedical Nanotechnology, vol 1, pages 1-6, January 2005. more details

49. Thote, A.; Gupta, Ram B. “Formation of Nanoparticles of a Hydrophilic Drug using Supercritical CO2 and Microencapsulation for Sustained Release,” Nanomedicine: Nanotechnology, Biology and Medicine, 1, 85-90, 2005. more details

48. Gadhe, Jayant B.; Gupta, Ram B., “Hydrogen Production by Methanol Reforming in Supercritical Water: Suppression of Methane Formation” Industrial & Engineering Chemistry Research (2005) 44, 4577-4585. more details

47. Cai, Wensheng; Gupta, Ram B..  Molecularly-imprinted polymers selective for tetracycline binding.    Separation and Purification Technology  (2004),  35(3),  215-22. more details

46. Thote, Amol; Gupta, Ram, B. Hydrogen-bonding of a Dichroic Dye with a Liquid Crystal for Application to LCDs.    Fluid Phase Equilibria (2004),  220(1),  47-54. more details

45. Viswanathan, R.; Lilly, G. D.; Gale, W. F.; Gupta, R. B Formation of Zinc Oxide-Titanium Dioxide Composite Nanoparticles in Supercritical Water, Industrial & Engineering Chemistry Research  (2003),  42(22),  5535-5540. more details

44. Bell, Philip W.; Thote, Amol J.; Park, Yoonkook; Gupta, Ram B.; Roberts, Christopher B.  Strong Lewis Acid-Lewis Base Interactions between Supercritical Carbon Dioxide and Carboxylic Acids: Effects on Self-association.    Industrial & Engineering Chemistry Research  (2003),  42(25),  6280-6289. more details

43. Thote, Amol J.; Gupta, Ram B..  Hydrogen-Bonding Effects in Liquid Crystals for Application to LCDs.    Industrial & Engineering Chemistry Research  (2003),  42(6),  1129-1136. more details

42. Viswanathan, Raghu; Gupta, Ram B. Production of Zinc Oxide Nanoparticles in Supercritical Water, Journal of Supercritical Fluids, 2003, 27, 187-193. more details

41. Chattopadhyay, Pratibhash; Gupta, Ram B.  Supercritical CO2 based Formation of Silica Nanoparticles Using Water-in-Oil Microemulsions.    Ind. Eng. Chem. Res. 2003, 42, 465-472. more details

40. Cai, Wensheng; Gupta, Ram B.  Thermosensitive and Ampholytic Hydrogel for Salt Solution. in press, J. Appl. Polym. Sci.  (2003). more details

39. Chattopadhyay, Pratibhash; Gupta, Ram B.  Supercritical CO2 Based Production of Magnetically Responsive Micro- And Nanoparticles For Drug Targeting., Ind. Eng. Chem. Res., (2002),  41(24),  6049-6058. more details

38. Park, YoonKook; Gupta, Ram B.; Curtis, Christine W.; Roberts, Christopher B.  Solvent Effects on the Self-Association of Formic Acid in Carbon Dioxide and Ethane.    Journal of Physical Chemistry B  (2002), 106(37),  9696-9700. more details

37. Muthukumaran, P.; Brinkley, R.L.; Gupta, Ram B. Lattice-fluid equation of state with hydrogen-bond cooperativity. AIChE J. (2002), 48, 386-392. more details

36. Chattopadhyay, P.; Gupta, Ram B. Protein nanoparticles formation by supercritical antisolvent with enhanced mass transfer. AIChE J. (2002), 48, 235-244. more details

35. Cai, Wensheng; Gupta, Ram B.  Fast-responding bulk hydrogels with microstructure.    J. Appl. Polym. Sci.  (2002), 83(1), 169-178. more details

34. Chattopadhyay, P.; Gupta, R. B.  Production of griseofulvin nanoparticles using supercritical CO2 antisolvent with enhanced mass transfer.    Int. J. Pharm.  (2001), 228(1-2),  19-31. more details

33. Chattopadhyay, Pratibhash; Gupta, Ram B.  Production of Antibiotic Nanoparticles Using Supercritical CO2 as Antisolvent with Enhanced Mass Transfer.    Ind. Eng. Chem. Res.  (2001),  40(16),  3530-3539. more details

32. Cai, Wensheng; Gupta, Ram B.  Poly(N-ethylacrylamide) hydrogels for lignin separation.    Ind. Eng. Chem. Res.  (2001), 40(15), 3406-3412. more details

31. Brinkley, Ray L.; Gupta, Ram B.  Hydrogen bonding with aromatic rings.    AIChE J.  (2001),  47(4),  948-953. more details

30. Cai, Wensheng; Anderson, Eric C.; Gupta, Ram B.  Separation of lignin from aqueous mixtures by ionic and nonionic temperature-sensitive hydrogels.    Ind. Eng. Chem. Res.  (2001),  40(10),  2283-2288. more details

29. Betageri, Guru V.; Deshmukh, Deepali V.; Gupta, Ram B.  Oral sustained-release bioadhesive tablet formulation of didanosine.    Drug Dev. Ind. Pharm.  (2001), 27(2),  129-136. more details

28. Kumar, Rajesh; Gupta, Ram B.; Betageri, Guru V.  Formulation, characterization, and in vitro release of glyburide from proliposomal beads.    Drug Delivery  (2001),  8(1),  25-27. more details

27. Muthukumaran, Poongunran; Gupta, Ram B.  Sodium-Carbonate-Assisted Supercritical Water Oxidation of Chlorinated Waste.    Ind. Eng. Chem. Res.  (2000), 39(12),  4555-4563. more details

26. Chattopadhyay, Pratibhash; Gupta, Ram B.  Supercritical CO2-Based Production of Fullerene Nanoparticles.    Ind. Eng. Chem. Res.  (2000),  39(7),  2281-2289. more details

25. Martin, Todd M.; Gupta, Ram B.; Roberts, Christopher B.  Measurements and modeling of cloud point behavior for poly(propylene glycol) in ethane and in ethane + cosolvent mixtures at high pressure.    Ind. Eng. Chem. Res.  (2000),  39(1),  185-194. more details

24. Muthukumaran, Poongunran; Gupta, Ram B.; Sung, Hwan-Do; Shim, Jae-Jin; Bae, Hyo-Kwang.  Dye solubility in supercritical carbon dioxide. Effect of hydrogen bonding with cosolvents.    Korean J. Chem. Eng.  (1999), 16(1),  111-117. more details

23. Diskin, C.J.; Gupta, Ram B.; Ravis, W.R.; Stokes, T.J.; Dansby, L.M.; Carter, T.B. Edema, Oncotic Pressure and Entropy: Novel Considerations for the Treatment of Edema Through Attention to Thermodynamics. Nephron (1998) 78, 131-138. more details

22. Kumar, Rajesh; Reznik, D.A.; Gupta, Ram B.; Betageri, Guru V. The Stability of Amphotericin-B in a Mixture of Fungizone® and Optimoist®  Int. J. Pharm. Compounding (1998) Vol. 2, No. 4, July/August. more details

21. Brinkley, Ray L.; Gupta, Ram B..  Intra- and Intermolecular Hydrogen Bonding of 2-Methoxyethanol and 2-Butoxyethanol in n-Hexane.    Ind. Eng. Chem. Res.  (1998),  37(12),  4823-4828. more details

20. Gorbaty, Yu. E.; Gupta, Ram B..  The Structural Features of Liquid and Supercritical Water.    Ind. Eng. Chem. Res.  (1998),  37(8),  3026-3035. more details

19. Dubbs, Michael D.; Gupta, Ram B..  Solubility of Vitamin E (a-Tocopherol) and Vitamin K3 (Menadione) in Ethanol-Water Mixture.    J. Chem. Eng. Data  (1998),  43(4),  590-591. more details

18. Kumar, Rajesh; Betageri, Guru V.; Gupta, Ram B..  Partitioning of oxytetracycline between aqueous and organic solvents Effect of hydrogen bonding.    Int. J. Pharm.  (1998),  166(1),  37-44. more details

17. Kumar, Rajesh; Betageri, Guru V.; Gupta, Ram B..  Phase behavior of mixtures containing antibiotics. Effect of hydrogen bonding on tetracycline partitioning.    Fluid Phase Equilib.  (1998),  143(1-2),  99-109. more details

16. Gupta, Ram B.; Brinkley, Ray L.  Hydrogen-bond cooperativity in 1-alkanol + n-alkane binary mixtures.    AIChE J.  (1998), 44(1),  207-213. more details

15. Gupta, Ram B. Do short and slim people live longer? An engineering perspective, MADHYA: The Midage, New Delhi. Jul-Sept. 2004, pages 3-5. more details

14. Seymour, James D.; Wallace, Henry C.; Gupta, Ram B.  Sonochemical reactions at 640 kHz using an efficient reactor. oxidation of potassium iodide.    Ultrason. Sonochem.  (1997),  4(4),  289-293. more details

13. Gupta, Ram B.; Kumar, Rajesh; Betageri, Guru V.  Phase Behavior of Mixtures Containing Antibiotics. Chloramphenicol Partitioning.    Ind. Eng. Chem. Res.  (1997),  36(9),  3954-3959. more details

12. Seymour, James D.; Gupta, Ram B..  Oxidation of Aqueous Pollutants Using Ultrasound: Salt Induced Enhancement.    Ind. Eng. Chem. Res.  (1997),  36(9),  3453-3457. more details

11. Veytsman, Boris A.; Gupta, Ram B..  Fluctuation theory of hydrogen bonding in near-critical fluids.    AIChE J.  (1996),  42(9),  2661-2667. more details

10. Gupta, Ram B.; Prausnitz, John M.  Vapor-liquid equilibria for copolymer/solvent systems: effect of "intramolecular repulsion".    Fluid Phase Equilib.  (1996),  117(1-2),  77-83. more details

09. Gupta, Ram B.; Prausnitz, John M.  Vapor-Liquid Equilibria for Solvent-Polymer Systems from a Perturbed Hard-Sphere-Chain Equation of State.    Ind. Eng. Chem. Res.  (1996),  35(4),  1225-30. more details

08. Gupta, Ram B.; Prausnitz, John M.  Vapor-Liquid Equilibria of Copolymer + Solvent and Homopolymer + Solvent Binaries: New Experimental Data and Their Correlation.    J. Chem. Eng. Data  (1995),  40(4),  784-91. more details

07. Gupta, Ram B.; Johnston, Keith P.  Lattice fluid hydrogen bonding model with a local segment density.    Fluid Phase Equilib.  (1994), 99(1-2),  135-51. more details

06. Gupta, Ram B.; Johnston, Keith P.  Ion Hydration in Supercritical Water.    Ind. Eng. Chem. Res.  (1994),  33(11),  2819-29. more details

05. Gupta, Ram B.; Han, Chae J.; Johnston, Keith P.  Recovery of proteins and amino acids from reverse micelles by dehydration with molecular sieves.    Biotechnol. Bioeng.  (1994),  44(7),  830-6. more details

04. Kazarian, Sergei G.; Gupta, Ram B.; Clarke, Matthew J.; Johnston, Keith P.; Poliakoff, Martyn.  How is hydrogen-bonding influenced by solvent density? The spectroscopic study and modeling of the interaction between a proton donor and acceptor from the gas phase to supercritical fluid states.    J. Am. Chem. Soc.  (1993),  115(24),  11099-109. more details

03. Gupta, Ram B.; Combes, James R.; Johnston, Keith P.  Solvent effect on hydrogen bonding in supercritical fluids.    J. Phys. Chem.  (1993), 97(3),  707-15. more details

02. Gupta, Ram B.; Panayiotou, Constantinos G.; Sanchez, Isaac C.; Johnston, Keith P.  Theory of hydrogen bonding in supercritical fluids.    AIChE J.  (1992), 38(8), 1243-53. more details

01. Gupta, Ram B.; Heidemann, Robert A.  Solubility models for amino acids and antibiotics.    AIChE J.  (1990),  36(3),  333-41. more details


Last Revised:  July 20, 2013