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离心机:其在植物重力生物学中的应用演变以及地面和太空飞行研究的新方向

Centrifuges: evolution of their uses in plant gravitational biology and new directions for research on the ground and in spaceflight.

作者信息

Brown A H

机构信息

Gravitational Plant Physiology Laboratory, University City Science Center, Philadelphia, PA 19104.

出版信息

ASGSB Bull. 1992 Oct;5(2):43-57.

PMID:11537641
Abstract

The use of centrifugation as a tool for exploring qualitative and quantitative features of plant responses to gravity and to other body forces can be traced to plant scientists' early 19th century experiments. To study how plants perceive and respond to gravitational stimuli requires experimental manipulation of the force or acceleration vector direction and magnitude. As technology advanced, especially during the past half-century, so did the sophistication of experimental designs and of the scientific questions that could be addressed. The most significant improvement in methodology probably will prove to be attainment of experimental access to the hypogravity range of inertial accelerations by the combination of centrifugation and spaceflight.

摘要

将离心法用作探索植物对重力及其他体力的定性和定量特征的工具,可追溯到19世纪早期植物科学家的实验。要研究植物如何感知并响应重力刺激,需要对力或加速度矢量的方向和大小进行实验操控。随着技术进步,尤其是在过去的半个世纪里,实验设计以及能够解决的科学问题的复杂性也在提高。方法学上最显著的改进可能将证明是通过离心法和太空飞行相结合,实现对惯性加速度微重力范围的实验性探究。

相似文献

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Centrifuges: evolution of their uses in plant gravitational biology and new directions for research on the ground and in spaceflight.离心机:其在植物重力生物学中的应用演变以及地面和太空飞行研究的新方向
ASGSB Bull. 1992 Oct;5(2):43-57.
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From gravity and the organism to gravity and the cell.从重力与生物体到重力与细胞。
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引用本文的文献

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Hypergravity can reduce but not enhance the gravitropic response of Chara globularis protonemata.超重力会降低但不会增强球藻原丝体的向重力性反应。
Protoplasma. 1998;204(3-4):145-54. doi: 10.1007/BF01280321.
2
Circumnutations: from Darwin to space flights.植物的回旋转头运动:从达尔文到太空飞行
Plant Physiol. 1993;101(2):345-8. doi: 10.1104/pp.101.2.345.