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Improving Drug Delivery Chemotherapy: Light activation improves penetration and efficacy of nanoparticles as carriers

drugs, GENERIC

Nov 132013

A schematic showing how chemotherapy-carrying nanoparticles (left) penetrate deeper into tumor sites and decompress blood vessels after the tumors are irradiated with ultraviolet light (right).

Nanoparticles carrying a cancer drug are administered to mice and exposed to UV light, causing them to contract and release the drug into tumors.

Credit: Modified from Proc. Natl. Acad. Sci. US

http://cen.acs.org/articles/91/i45/Improving-Drug-Delivery.html

Nanoparticles are promising cargo ships for targeted drug delivery. But the materials have had limited success treating cancer, because they often can’t penetrate deep into tumors. The nanoparticles are stalled by the extracelluar matrix and compressed blood vessels.

http://cen.acs.org/articles/91/i45/Improving-Drug-Delivery.html

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DR ANTHONY MELVIN CRASTO Ph.D amcrasto@gmail.com

MOBILE-+91 9323115463

GLENMARK SCIENTIST , NAVIMUMBAI, INDIA

……………………………………. DR ANTHONY MELVIN CRASTO Ph.D , Born in Mumbai in 1964 and graduated from Mumbai University, Completed his PhD from ICT ,1991, Mumbai, India in Organic chemistry, The thesis topic was Synthesis of Novel Pyrethroid Analogues, Currently he is working with GLENMARKPHARMA LTD, Research centre as Principal Scientist, Process Research (bulk actives) at Mahape, Navi Mumbai, India. Prior to joining Glenmark, he worked with major multinationals like Hoechst Marion Roussel, now Sanofi Aventis, & Searle India ltd, now Rpg lifesciences, etc. He has worked in Basic research, Neutraceuticals, Natural products, Flavors, Fragrances, Pheromones, Vet Drugs, Drugs, formulation, GMP etc. He has total 25 yrs exp in this field, he is now helping millions, has 9 million hits on google on all organic chemistry websites. His New Drug Approvals , Green Chemistry International, Eurekamoments in Organic Chemistry , Organic Chemistry by Dr Anthony, WIX BLOG , are some most read chemistry blogs He has hands on experience in initiation and developing novel routes for drug molecules and implementation them on commercial scale over a 29 year tenure, good knowledge of IPM, GMP, Regulatory aspects, he has several international drug patents published worldwide . He has good proficiency in Technology Transfer, Spectroscopy , Stereochemistry , Synthesis, Reactions in Org Chem , Polymorphism, Pharmaceuticals , Medicinal chemistry , Organic chemistry literature , Patent related site , Green chemistry , Reagents , R & D , Molecules , Heterocyclic chem , Sourcing etc He suffered a paralytic stroke in dec 2007 and is bound to a wheelchair, this seems to have injected feul in him to help chemists around the world, he is more active than before and is pushing boundaries, he has 2.5 lakh connections on all networking sites, He makes himself available to all, contact him on +91 9323115463, amcrasto@gmail.com