@article {43365,
	title = {Human blood vessel-derived endothelial progenitors for endothelialization of small diameter vascular prosthesis},
	journal = {Plos One},
	volume = {4},
	year = {2009},
	month = {NOV},
	pages = {Article Number: e7718},
	abstract = {Background: Coronary bypass graft failure as a result of acute thrombosis and intimal hyperplasia has been the major challenge in surgical procedures involving small-diameter vascular prosthesis. Coating synthetic grafts with patients{\textquoteright} own endothelial cells has been suggested to improve the patency rate and overall success of bypass surgeries. 
Methodology/Principal Findings: We isolated endothelial progenitor cells (EPCs) from leftover pieces of human saphenous vein/mammary artery. We demonstrate that EPCs can be expanded to generate millions of cells under low-density culture conditions. Exposure to high-density conditions induces differentiation to endothelial cell phenotype. EPC-derived endothelial cells show expression of CD144(high), CD31, and vWF. We then assessed the ability of differentiated endothelial cells to adhere and grow on small diameter expanded polytetrafluoroethylene (ePTFE) tubings. Since ePTFE tubings are highly hydrophobic, we optimized protocols to introduce hydrophilic groups on luminal surface of ePTFE tubings. We demonstrate here a stepwise protocol that involves introduction of hydrophilic moieties and coating with defined ECM components that support adhesion of endothelial cells, but not of blood platelets. 
Conclusion/Significance: Our data confirms that endothelial progenitors obtained from adult human blood vessels can be expanded in vitro under xenoprotein-free conditions, for potential use in endothelialization of small diameter ePTFE grafts. These endothelialized grafts may represent a promising treatment strategy for improving the clinical outcome of small-caliber vascular grafts in cardiac bypass surgeries.},
	doi = {10.1371/journal.pone.0007718},
	author = {Ranjan, Amaresh K. and Kumar, Umesh and Hardikar, Ashutosh A. and Poddar, Pankaj and Nair, Prabha D. and Hardikar, Anandwardhan A.}
}
@article { ISI:000300606400030,
	title = {Green approach towards size controlled synthesis of biocompatible antibacterial metal nanoparticles in aqueous phase using lysozyme},
	journal = {Current Nanoscience},
	volume = {8},
	number = {1},
	year = {2012},
	month = {FEB},
	pages = {130-140},
	publisher = {BENTHAM SCIENCE PUBL LTD},
	address = {EXECUTIVE STE Y-2, PO BOX 7917, SAIF ZONE, 1200 BR SHARJAH, U ARAB EMIRATES},
	abstract = {<p>Inspired by array of proteins present in nature, we choose lysozyme (hen egg protein) as a model system to synthesize nanoparticles of noble metals to understand the mechanism of interaction as well as to use them for potential applications such as potent antibacterial agents. Lysozyme is a very well studied biomolecule containing aromatic amino acids like tryptophan and tyrosine. Tyrosine has phenoxy group which is considered to be responsible for interacting with the metal ions. Lysozyme can be suitably modified by treatment with N-bromosuccinimide/N-acetylimidazole to obtain tight control over size distribution of nanoparticles. Here we report the direct synthesis of nanocrystals of gold and silver at controlled pH and light conditions without using any known reducing agents. Out of these, synthesis of gold nanoparticles is assisted by the presence of low concentration of Ag+ ions through the galvanic exchange. It is remarkable to note that the structure of protein is not changed drastically as seen by the FTIR studies. As-synthesized lysozyme capped nanoparticles prepared by this method are biocompatible and retain antibacterial property.</p>},
	keywords = {Antibacterial, Biocompatible, Gold, lysozyme, Nanoparticles, Silver},
	issn = {1573-4137},
	author = {Kumar, Umesh and Ranjan, Amaresh K. and Sharan, Chandrashekhar and Hardikar, Anandwardhan A. and Pundle, Archana and Poddar, Pankaj}
}
