کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
9577942 1505200 2005 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Orientational imaging and tracking of single CdSe nanocrystals by defocused microscopy
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی تئوریک و عملی
پیش نمایش صفحه اول مقاله
Orientational imaging and tracking of single CdSe nanocrystals by defocused microscopy
چکیده انگلیسی
We study the fluorescence patterns produced by single CdSe nanocrystals in defocused microscopy. The patterns are directly related to the structure of the nanocrystal emission dipole and their analysis provides a full determination of the three-dimensional orientation of the nanoparticles. In the case of a high numerical aperture objective, we show that the contour intensities of the defocused patterns can be fitted by a simple analytical formula. Finally, we demonstrate that defocused imaging can be used to track both the position and the orientation of single CdSe nanocrystals coupled to membrane receptors in live cells.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Chemical Physics Letters - Volume 406, Issues 1–3, 23 April 2005, Pages 210-214
نویسندگان
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