Document Detail

Local field enhanced Au/CuS nanocomposites as efficient photothermal transducer agents for cancer treatment.
MedLine Citation:
PMID:  23029996     Owner:  NLM     Status:  In-Process    
Photothermal therapy (PTT) for cancer treatment is the use of heat between 41 degrees C and 45 degrees C to damage cancer cells. As a new type of transducer agent for PPT of cancer, CuS nanoparticles have several advantages over gold nanostructures. The most favorable features are the low cost, simple and easy preparation, and small size for targeting. However, the CuS nanoparticle PTT efficacy needs to be improved for practical applications. In this study, the CuS nano-PTT efficiency was enhanced via the local field enhancement from Au nanoparticle surface plasmon coupling. The results show that absorbance of CuS nanoparticles in Au/CuS nanocomposites is enhanced about 2.2 times by Au nanoparticle surface plasmon coupling. Consequently, the PTT efficacy is enhanced and a power of 0.2 W/cm2 with a 980 nm laser was sufficient for Au/CuS nano-PTT activation. We have demonstrated for the first time that surface plasmon coupling can be used to enhance CuS nanoparticle PTT for cancer treatment.
Santana Bala Lakshmanan; Xiaoju Zou; Marius Hossu; Lun Ma; Chang Yang; Wei Chen
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Journal of biomedical nanotechnology     Volume:  8     ISSN:  1550-7033     ISO Abbreviation:  J Biomed Nanotechnol     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-10-03     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101230869     Medline TA:  J Biomed Nanotechnol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  883-90     Citation Subset:  IM    
Department of Physics, The University of Texas at Arlington, Arlington, TX 76019-0059, USA.
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