کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9785699 | 1512652 | 2005 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Metal nanoshells as a contrast agent in near-infrared diffuse optical tomography
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
مواد الکترونیکی، نوری و مغناطیسی
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
The plasma resonance peak of metal nanoshells can be tuned to the near-infrared region (700-900Â nm), making them have great potential in biological and biomedical applications. Gold nanoshells has been synthesized and characterized as a contrast agent for diffuse optical tomography. A unique advantage of the nanoshells is their tremendous absorptivity. Spectral measurements indicate that the absorption cross-section of each nanoshell is 40,000 times larger than that of an Indocyanine Green (ICG) molecule, suggesting that the nanoshells are a much more efficient absorption agent than ICG molecules. Tissue-like phantom experiments using the nanoshells were performed using our diffuse optical imaging system and absorption images were successfully obtained through a finite element based reconstruction algorithm.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Optics Communications - Volume 253, Issues 1â3, 1 September 2005, Pages 214-221
Journal: Optics Communications - Volume 253, Issues 1â3, 1 September 2005, Pages 214-221
نویسندگان
Changfeng Wu, Xiaoping Liang, Huabei Jiang,