Lecture+1

Lecture+1 - BIM 106: BIOTRANSPORT PHENOMENA Instructor:...

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1 BIM 106: BIOTRANSPORT PHENOMENA Instructor: Professor Kent Leach Office: 3321 GBSF E-mail: jkleach@ucdavis.edu Office hours: Tues 4-5 pm or by appt. Teaching assistant: Allison Hoch Grader: Alan Man
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2 3 How do surveyed students spend their time? http://www.universityofcalifornia.edu/studentsurvey 4 How do surveyed students spend their time? http://www.universityofcalifornia.edu/studentsurvey
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3 5 How to excel in BIM 106? – 9 simple rules 1. Study. 2. Always come to class (and take notes). 3. Study! 4. Ask ques9ons of your instructor and TA’s U9lize office hours 5. Study! 6. Understand the HW you turn in. HW should be sufficiently detailed and legible. 7. Study! 8. Turn things in ON TIME . 9. STUDY!! RESPONSIBILITY OF THE ENGINEER President Herbert Hoover (1932) hooverassociation.org Biomedical engineers have the “burden” of being good engineers first, but also learning and applying these principles to the human body.
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4 WHY STUDY BIOTRANSPORT? 1. REQUIRED 2.Characterize physiological and cellular processes 3.Design and operate various devices 4.Develop new therapies DEFINITION OF TRANSPORT PROCESSES Diffusion – random motion of molecules due to energy transferred by molecular collisions. Molecules will move from areas of high concentration to low concentration ( i.e. , down the concentration gradient) as a means to establish an equilibrium. blobs.org Jain and Carmeliet, Nature (2000) dx dC D J i ij i x = Fick’s 1 st Law D
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5 DEFINITION OF TRANSPORT PROCESSES Figure 1.1 500-step random walk. The walk begins at coordinates x = 0, y = 0 denoted by the “ ˔ ” and ends in the upper right hand quadrant denoted by “X”. The arrow represents the displacement. What differences would you expect to observe between a random walk of a molecule in a gas and a random walk of a protein molecule in H 2 O? D
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Lecture+1 - BIM 106: BIOTRANSPORT PHENOMENA Instructor:...

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