首页> 外文会议>First European Workshop on Exo-/Astro-Biology May 21-23, 2001 Frascati, Italy >THE ORIGIN OF CHIRALITY IN BIOMOLECULES; ARE ELECTROMAGNETIC FORCES IMPORTANT?
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THE ORIGIN OF CHIRALITY IN BIOMOLECULES; ARE ELECTROMAGNETIC FORCES IMPORTANT?

机译:生物分子中手性的起源;电磁力重要吗?

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This paper is a supplement to our previous paper (Yamauchi and Wahlund, 1998, hereafter referred as Paper 1) extending the discussion to the space and other planets. Static electromagnetic (Lorentz) force in the geomagnetic field may cause a chirality in chemical reactions with the help of, e.g., catalytic/polarized boundaries or layers; laminar convection or drift; strong gradient of ionized solution; shock propagation; radiation, gravitational forces; centrifugal forces of gyrating ions, and etc. Most elements favour weakly ionized fluid (V_i Ω_i) and hence the volcanic shallow sea in the ancient Earth. However, applications are found also in other solar system bodies and interstellar media. The obvious weak point of the geomagnetic field scenario (Two hemispheres should cause opposite enantiomers with opposite directions of the magnetic field) is easily overcome if the early terrestrial life started in a local heat spot in one hemisphere within less than one reversal of the geomagnetic field.
机译:本文是对我们之前的论文(Yamauchi和Wahlund,1998,以下称论文1)的补充,该讨论将讨论扩展到太空和其他行星。地磁场中的静态电磁力(洛仑兹)可能会借助例如催化/极化边界或层等在化学反应中引起手性;层流对流或漂移;电离溶液的强梯度;冲击传播辐射,引力;大多数元素都倾向于弱电离的流体(V_i >>Ω_i),因此倾向于古代地球的火山浅海。但是,在其他太阳系天体和星际介质中也发现了应用。如果早期地球生命始于一个半球的局部热点,且在不到一个地磁场反转的范围内,那么地球磁场的明显弱点(两个半球应引起相反方向的对映体,磁场的方向相反)很容易克服。 。

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