Nelson A Ochekpe1 
,
Patrick O Olorunfemi2,
Ndidi C Ngwuluka2
For correspondence:- Nelson Ochekpe Email: ochekpen@yahoo.com Tel:+23408037006372
Received: 4 Nov 2008 Accepted: 13 Jan 2009 Published: 23 June 2009
Citation: Ochekpe NA, Olorunfemi PO, Ngwuluka NC. Nanotechnology and Drug Delivery Part 1: Background and Applications. Trop J Pharm Res 2009; 8(3):265-274 doi: 10.4314/tjpr.v8i3.11
© 2009 The authors.
This is an Open Access article that uses a funding model which does not charge readers or their institutions for access and distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0) and the Budapest Open Access Initiative (http://www.budapestopenaccessinitiative.org/read), which permit unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited..
Nanotechnology in general and as it relates to drug delivery in humans has been reviewed in a two-part article, the first part of which is this paper. In this paper, nanotechnology in nature, history of nanotechnology and methods of synthesis are discussed, while also outlining its applications, benefits and risks. Nanotechnology is an industrial revolution, based on integration of disciplines that could change every facet of human life. Some examples of changes brought about by reduction in particle sizes to the physical, chemical and biological properties of substances, compounds and drug products have been cited. The benefits of nanotechnology are enormous and so these benefits should be maximized while efforts are made to reduce the risks.
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