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1、-精选财经经济类资料- -最新财经经济资料-感谢阅读- 1 生物物理博士英文自我介绍生物物理博士英文自我介绍i plan to begin my ph. d. degree study in your biophysics program in the fall term of 1995 and wish to obtain the degree within five years or so .biophysics develops fast with the fruits of modern physics and chemistry. there is a wide range of f
2、ascinating questions in understanding life systems. during these years study at tsinghua university, i constantly tried to improve myself through independent reading. this kept me well informed of the latest development in biophysics which attracts me a lot.-精选财经经济类资料- -最新财经经济资料-感谢阅读- 2 e. schroding
3、ers famous work “what is life” let me think a lot of questions in biophysics. up to now, physicist have made great success in studying simple periodic crystals, but for the complex biological structures possess both aperiodicity and order such as dna, there still exist many challenges. why these ape
4、riodic matter can control the life strictly and precisely? why a small amount of nature catalyst-enzyme can be far more efficient than plenty of man-made catalysts? is the growth of life determined by genetic materials or by self-assembly or by both of them? from the book “liquid crystals and biolog
5、ical structures” written by glenn h.brown and jerome j.wolken, i got deeper understanding of biological structures which possess both mobility and long- range structure order, respond to a variety of external stimuli just like the properties of liquid crystals. the striking architecture -精选财经经济类资料-
6、-最新财经经济资料-感谢阅读- 3 at the molecular level shows there is a common physical-chemical origin for all life systems. the oriented molecules in liquid crystals furnish an ideal medium for catalytic action, particularly of the complex type needed to account for growth and reproduction. water, especially th
7、e weak hydrogen bond plays critical role in all organism. it determines the protein folding, stabilizes the double helix structure of dna. if we substitute deuterium for hydrogen, the biological system may be destroyed.many physical and mathematical approaches can be applied to biology such as the q
8、uantum mechanics, non- equilibrium thermodynamics, information theory. but a basic difficult by using the non-equilibrium thermodynamics in biology is the spatial heterogeneity in biological systems and the feedback existing in all kinds of reactions and -精选财经经济类资料- -最新财经经济资料-感谢阅读- 4 processes. cond
9、ensed matter physics also concerns closely with biophysics. the theory of phase transitions and critical phenomena can be used to explain problems such as how the temperature of the phase transition of lipids from the solid state to the liquid crystalline depends on the fatty acid composition.on the
10、 other hand, researches in biophysics also push forward the development of physics, lead to more applications in bionics such as ai and neural networknow i am doing my diploma thesis at the institute of physics, chinese academy of science. my topic is about investigating coherent backscattering in a
11、 random scattering medium by the he-new laser. light in certain dielectric microstructures exhibits localized modes, similar to the localized wave function of electrons in disordered solids-anderson localization. -精选财经经济类资料- -最新财经经济资料-感谢阅读- 5 the propagation of light in a scattering medium can be de
12、scribed as random walk of photons with the direction of each succeeding step determined by the laws of probability. the topic spans the disciplines of condensed matter physics and quantum opties. i have absorbed a lot of relative knowledge such as random walk, peroration models stochastic process to prepare for my project .i think the method i dynamics of chemical reactions.since my background focused on physics, mathematics, electronics, lasers and optics, i have taught myself some beginning biology and chemistry cours
