Department of Chemistry
The City College of New York-CUNY


News & Highlights
(Selected)
Scientific American on May 2, 2008 in the news, “A Silver Coating in the Fight against Microbes”.

The New York Times on April 9, 2008 in Technology Innovation, “Harnessing Biology, and Avoiding Oil, for Chemical Goods”.

Prof. John featured in ‘Mathrubhumi’, National Newspaper, India on March 09, 2008.
 

Publications(selected)

  1. Vemula, P., John, G. ‘Crops: A Green Approach toward Self-Assembled Soft Materials’ Accounts of Chemical Research 41, 769-782, (2008). INVITED.
  2. Vemula, P., Douglas, K., Achong, C., Kumar, A., Ajayan, P., John. G. ‘Autoxidation Induced Metal Nanoparticles Synthesis in Biobased Polymeric Systems: A Sustainable Approach in Hybrid Materials Development’ Journal of Biobased Materials and Bioenergy (in press). Selected for Front cover page feature.
  3. Kumar, A., Vemula, P., Ajayan, P. M., John, G. ‘Silver Nanoparticles Embedded Anti-microbial Paints Based on Vegetable Oil’. Nature Materials, 7, 236-241 (2008). News in Scientific American Magazine.
  4. Vemula, P. K., Mallia, V., Bizati, K., John, G. ‘Cholesterol Phenoxy Hexanoate Mesogens: Effect of meta Substituents on Their Liquid Crystalline Behavior and In Situ Metal Nanoparticle Synthesis’ Chem Mater. 19, 5203-5206 (2007).
  5. Ajay Mallia, V., Vemula, P., John, G, Kumar, A., Ajayan, P. M. ‘In Situ Synthesis and Assembly of Gold Nanoparticles Embedded Glass Forming Liquid Crystals’ Angew. Chem. Int. Ed. 46, 3269-3274 (2007). Highlights in MRS 360, ‘Image in Focus’ May 2007.
  6. Vemula, P., Aslam, U., Mallia, A., John, G. ‘In Situ Synthesis of Gold Nanoparticles Using Molecular Gels and Liquid Crystals from Vitamin-C Amphiphiles’ Chem. Mater. 19, 138-140 (2007).
  7. Kumar, A., Murugesan, S., Pushparaj, V., Soldano, C., Xie, J., John, G., Nalamasu, O., Linhardt, R. J., Ajayan, P. M. ‘Ionic liquid induced formation of conducting organic nanotubes-new hybrid materials for device applications’ Small 3, 429-433 (2007).
  8. John, G., Vemula, P. ‘Design and Development of soft nanomaterials from biobased amphiphiles’ Soft Matter, 2, 909-914 (2006). INVITED highlights, Front cover page feature.
  9. Vemula, P., John, G. ‘Smart Amphiphiles: Hydro/Organogelators for In Situ Reduction of Gold’ Chem. Commun, 2218-2220 (2006). Front cover page feature.
  10. Vemula, P., Li, J, John, G. ‘Enzyme Catalysis: Tool to Make and Break Amygdalin Hydrogelators from Renewable Resources - A Delivery Model for Hydrophobic Drugs’ J. Am. Chem. Soc. 128, 8932-8938 (2006). Highlighted in Green Chem. 8, 675 (2006).
  11. John, G., Zhu, G., Li, J., Dordick J. S. ‘Enzymatically-Derived Sugar Containing Self-Assembled Organogels with Nanostructured Morphologies’ Angew. Chem. Int. Ed. 45, 4772-4775 (2006), Front cover page feature, Angew. Chem. 118, 4890-4893 (2006). Front cover page feature.
  12. Zhu, H., John, G., Wei, B. (2005) Synthesis of Assembled Copper Nanoparticles from Copper-Chelating Glycolipid Nanotubes, Chem. Phys. Lett. 405, 49.
  13. Yui, H., Guo, Y., Koyama, K., Sawada, T. John, G., Yang, B., Masuda, M. and Shimizu, T. Local Environment and Property of Water inside the Hollow Cylinder of a Lipid Nanotube, Langmuir, 21, 721-727 (2005).
  14. John, G. Mason, M, Ajayan, P. M. and Dordick, J. S. ‘Lipid-Based Nanotubes as Functional Architectures with Embedded Fluorescence and Recognition Capabilities’ J. Am. Chem. Soc. 126, 15012 (2004).
  15. John, G., Masuda, M., Jung, J, H.Yoshida, K. and Shimizu, T. ‘Unsaturation Influenced Gelation of Aryl Glycolipids’, Langmuir 20, 2060-2065 (2004).
  16. John, G., Dordick, J. S. ‘Self-assembled Lipid Nanotube Materials from Synthetic Glycolipids.’ Polymeric Materials Science and Engineering. 89, 171 (2003).
  17. Shimizu, T. John, G., Fukagawa, A. Ito, K. Frusawa, H. ‘Molecule-Up Fabrication and Manipulation of Lipid Nanotubes’ International Journal of Nanoscience, 1, 465-469 (2003).
  18. Frusawa, H., Fukagawa, A., Ikeda, Y., Araki, J., Ito, K. John, G., Shimizu, T. ‘Aligning a Single-Lipid Nanotube with Moderate Stiffness’. Angew. Chem, Int. Ed. 2, 72-74 (2003).

Patent

  1. John, G.; Ajayan, P.; Vemula, P.; Kumar, A. A process for the preparation of metal nanoparticles using autoxidation of polymer resins from cashewnut shell liquid by the method of acrylation/methacrylation polymerization, and its antimicrobial coating materials (TCO 08A0001). Jan 15, 2008, Provisional filed with serial # 61/011,214.
  2. John, G.; Ajayan, P.; Vemula, P.; Kumar, A. Metal nanoparticles containing vegetable-based drying oil/alkyd modified resins for antimicrobial coating and flooring applications. Provisional patent filed on 02/06/2007.
  3. John, G.; Vemula, P. Method for preparing hydro/organo gelators from disaccharide sugars by biocatalysis and their use in enzyme triggered drug delivery (06A0139-John utility patent application) 052207, 2006.
  4. John, G.; Vemula, P. One shot, high volume synthesis of achiral hydro/organo gelators, Provisional filed in 2006.
  5. John, G.; Ajayan, P.; Vemula, P.; Kumar, A. A new process for the synthesis of metal nanoparticles using vegetable based drying oil for multiple applications. Provisional was filed on 12/19/06, with serial # 60/875,642.
  6. Shimizu, T.; John, G. Fibrous nano self-assemblies. PCT Int. Appl. (2003), 29 pp. WO 2003072858 A1 20030904 CAN 139:230947.
  7. Shimizu, T.; John, G.; Masuda, M. Hollow fibrous organic nanotube and method for producing the same. US Patent 6632497 (2003).
  8. Jung, J. H; John, G.; Shimizu, T.; Sugar-derived gellants for hydrogel formation in water and organic solvents. PCT Int. Appl. (2003), 21 pp. WO 2003014249 A1 20030220 CAN 138:172177.
  9. Uzawa, H.; Zeng, X.; Shimizu, T.; John, G.; Minoura, N. Modification of nanochip and nanofiber of glycolipids. PCT Int. Appl. (2003), 25 pp. WO 2003074720 A1 20030912 CAN 139:229343.
  10. Kamiya, M.; Usawa, H; Shimizu, T.; John, G. Preparation of nano- or micro-scale self assemblies. Jpn. Kokai Tokkyo Koho (2003), 7 pp. JP 2003245900 A2 20030902 CAN 139:214656.
  11. Minoura, N.; Ogiso, M.; Shimizu, T.; John. G., Surface-modified glycolipid nanotubes and their preparation. Jpn. Kokai Tokkyo Koho (2003), 10 pp. JP 2003231100
  12. Pillai, C.K.S.; John, G.; Bijimol J. D.; Suresh, M.; Sunu, G. L. (1996): A Process for the Preparation of Transparent/clear Resins from Cashewnut Shell Liquid/cardanol/anacardic acid/ cardol by the Method of Methacrylation and Polymerization, Provisional Indian Patent No. 674, DEL/96 dated 8/2/1996 (technology transferred to industry). A2 20030819 CAN 139:164940.

 
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Department of Chemistry | Division of Science | The City College of New York | Graduate Center of CUNY | CUNY
© 2008 George John's Soft Materials Research Group.