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Critical Reviews™ in Therapeutic Drug Carrier Systems
Импакт фактор: 2.9 5-летний Импакт фактор: 3.72 SJR: 0.736 SNIP: 0.551 CiteScore™: 2.43

ISSN Печать: 0743-4863
ISSN Онлайн: 2162-660X

Выпуски:
Том 36, 2019 Том 35, 2018 Том 34, 2017 Том 33, 2016 Том 32, 2015 Том 31, 2014 Том 30, 2013 Том 29, 2012 Том 28, 2011 Том 27, 2010 Том 26, 2009 Том 25, 2008 Том 24, 2007 Том 23, 2006 Том 22, 2005 Том 21, 2004 Том 20, 2003 Том 19, 2002 Том 18, 2001 Том 17, 2000 Том 16, 1999 Том 15, 1998 Том 14, 1997 Том 13, 1996 Том 12, 1995

Critical Reviews™ in Therapeutic Drug Carrier Systems

DOI: 10.1615/CritRevTherDrugCarrierSyst.v21.i5.20
36 pages

PLGA Nanoparticles in Drug Delivery: The State of the Art

Indu Bala
Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Punjab, India
Sarita Hariharan
Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Punjab, India
M. N. V. Ravi Kumar
Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Punjab, India

Краткое описание

Nanoparticles represent drug delivery systems suitable for most administration routes. Over the years, a variety of natural and synthetic polymers have been explored for the preparation of nanoparticles, of which Poly(lactic acid) (PLA), Poly(glycolic acid) (PGA), and their copolymers (PLGA) have been extensively investigated because of their biocompatibility and biodegradability. Nanoparticles act as potential carries for several classes of drugs such as anticancer agents, antihypertensive agents, immunomodulators, and hormones; and macromolecules such as nucleic acids, proteins, peptides, and antibodies. The options available for preparation have increased with advances in traditional methods, and many novel techniques for preparation of drug-loaded nanoparticles are being developed and refined. The various methods used for preparation of nanoparticles with their advantages and limitations have been discussed. The crux of the problem is the stability of nanoparticles after preparation, which is being addressed by freeze-drying using different classes of lyoprotectants. Nanoparticles can be designed for the site-specific delivery of drugs. The targeting capability of nanoparticles is influenced by particle size, surface charge, surface modification, and hydrophobicity. Finally, the performance of nanoparticles in vivo is influenced by morphological characteristics, surface chemistry, and molecular weight. Careful design of these delivery systems with respect to target and route of administration may solve some of the problems faced by new classes of active molecules.


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