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3-D Reconstruction and Measurement o...

Yang, Qian.

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3-D Reconstruction and Measurement of Microtubules from Multiple Angle-Total Internal Reflections Fluorescence Microscopy.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	3-D Reconstruction and Measurement of Microtubules from Multiple Angle-Total Internal Reflections Fluorescence Microscopy./
作者:	Yang, Qian.
面頁冊數:	122 p.
附註:	Source: Dissertation Abstracts International, Volume: 72-03, Section: B, page: 1626.
Contained By:	Dissertation Abstracts International72-03B.
標題:	Engineering, Biomedical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3440623
ISBN:	9781124426549

3-D Reconstruction and Measurement of Microtubules from Multiple Angle-Total Internal Reflections Fluorescence Microscopy.
Yang, Qian.

3-D Reconstruction and Measurement of Microtubules from Multiple Angle-Total Internal Reflections Fluorescence Microscopy. - 122 p.

Source: Dissertation Abstracts International, Volume: 72-03, Section: B, page: 1626.

Thesis (Ph.D.)--Yale University, 2010.

Total internal reflection fluorescence (TIRF) microscopy excites a thin evanescent field which theoretically decays exponentially. Each TIRF image is actually the projection of a 3-D volume and hence cannot alone produce an accurate localization of structures in the z-dimension, however, it provides greatly improved axial resolution for biological samples. Multiple angle-TIRF microscopy allows controlled variation of the incident angle of the illuminating laser beam, thus generating a set of images of different penetration depths with the potential to reconstruct the 3-D volume of the sample. With the ultimate goal to quantify important biological parameters of microtubules, we present a method to reconstruct 3-D position and orientation of microtubules based on multi-angle TIRF data, as well as experimental calibration of the actual decay function of the evanescent field at each angle. We validate our method using computer simulations, by creating a phantom simulating the curvilinear characteristics of microtubules and project the artificially constructed volume into a set of TIRF image for different penetration depth. The reconstructed depth information for the phantom data is shown to be accurate and robust to noise. We apply our method to microtubule TIRF images of PtK2 cells in vivo. By comparing microtubule curvatures of the reconstruction results and several electron microscopy (EM) images of vertically sliced sample of microtubules, we find that the curvature statistics of our reconstruction agree well with the ground truth (EM data). Quantifying the distribution of microtubule curvature reveals an interesting discovery that microtubule can buckle and form bendings of considerably small radius of curvature locally which is also visually spotted on the EM images. Microtubule bending on a larger scale generally have a much larger radius and cannot bear the stress of a large curvature.

ISBN: 9781124426549Subjects--Topical Terms:

1017684
Engineering, Biomedical.

3-D Reconstruction and Measurement of Microtubules from Multiple Angle-Total Internal Reflections Fluorescence Microscopy.
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