麻省理工大学：《生物工程》教学讲义（英文版）lec 24 slid mig

麻省理工大学：《生物工程》教学讲义（英文版）lec 25 notes

《水污染控制工程》课程讲稿（下册）第十四章 污水的好氧生物处理——活性污泥法（2/2）

基本概念 免疫学( Immunol ogy): 研究免疫系统静态的结构和功能及动态 免疫应答引起的获得性防御功能及所致疾病 的过程和机制的学科。 研究机体免疫系统的组成(免疫器官、 免疫细胞和免疫分子)、结构及其免疫生物 学(生理性的和病理性的)功能的学科

ntroducing… ecture Recitations TR1:00-2:30PM W4:00-5:00PM Alexander van Oudenaarden juan pedraza

Mathematical basis of stability analysis =f(x,y) system of two coupled differential equations y=g(x,y) step 1 find nullclines and fixed point(s)

L14: 14 Lectures past and 1 1 to go Part 'The cell as a well-stirred bioreactor topICs Lambda phage lysis-lysogeny switch Synthetic genetic switch Switches as memory storage Chemotaxis: perfect adaptation or not? Synthetic genetic oscillators

Wrapping up E coli chemotaxis (L7& L8) Main points of last 2 lectures L7: Biological background what is the function of the individual molecules L8: modeling of all possible chemotactic reactions why doesn't this model reproduce experimentally observed perfect adaptation

Review Turing-Gierer-Meinhardt models Local excitation, global inhibition 22r+hq

Alternative views on gradient sensing Postma and van hastert. 'a diffusion-translocation model for gradient sensing by chemotactic cells Biophys.J.81,1314(2001) Levchenko and Iglesias. Models of eukaryotic gradient sensing: applications to chemotaxis of amoeba and neutrophils