منابع مشابه
Microtubules in protozoan cells. III. Ultrastructural changes during disintegration and reformation of heliozoan microtubules.
In the heliozoan, Echinosphaerium nucleofilum strain MA, cold temperature (2 degrees C) induced axopodial retraction to about 36% of the initial length after 3 h. By electron microscopy, it was found that such axopodial shortening is accompanied by degradation of axonemal microtubules (25 nm in diameter), followed by the appearance of macrotubles (37 nm in diameter) and filamentous structures (...
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The invention is a method of using computer vision to control systems consisting of a combination of holonomic and nonholonomic degrees of freedom such as a wheeled rover equipped with a robotic arm, a forklift, and earthmoving equipment such as a backhoe or a front-loader. Using vision sensors mounted on the mobile system and the manipulator, the system establishes a relationship between the i...
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Microtubules, the active filaments with tubular shapes, play important roles in a wide range of cellular functions, including structural supports, mitosis, cytokinesis, and vesicular transport, which are essential for the growth and division of eukaryotic cells. Finding properties of microtubules is one of the main concerns of scientists. This work helps to obtain mechanical properties of m...
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An analog-to-digital converter for on-chip focal-plane image sensor applications. The analog-to-digital converter utilizes a single charge integrating amplifier in a charge balancing architecture to implement successive approximation analog-to-digital conversion. This design requires minimal chip area and has high speed and low power dissipation for operation in the 2-10 bit range. The inventio...
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The electron optical analog of immunofluorescence microscopy combines three developments: (i) photoelectron microscopy to produce a high-resolution image of exposed components of the cell, (it) site-specific antibodies, and (ii) photoemissive markers coupled to the antibodies to make the distribution of sites visible. This approach, in theory, provides a way to extend the useful immunofluoresce...
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ژورنال
عنوان ژورنال: Cell Structure and Function
سال: 1984
ISSN: 0386-7196,1347-3700
DOI: 10.1247/csf.9.supplement_s55