视频:痤疮的生理学和痤疮药物的化学原理。

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本文发表在《大众科学》的前博客网络中,反映作者的观点,不一定代表《大众科学》的观点


这是来自 ChemMatters 系列的 ByteSizeScience 的另一个精彩视频,名为“痤疮的化学原理”

https://www.youtube.com/watch?v=vy6KX5bZOg0

该视频描述了粉刺形成的生理学原理。简而言之,过多的皮脂(或皮肤油脂)会堵塞毛孔,并将死皮细胞困在里面。细菌在毛孔内增殖,以吞噬被困的死皮细胞。白细胞迁移到毛孔以对抗细菌感染,死皮、白细胞和细菌的混合物形成粉刺的脓核。该视频还很好地解释了过氧化苯甲酰如何对抗引起痤疮的细菌的化学原理。


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图片来源:NIH,来自维基共享资源

"Life creates [the Force], makes it grow. Its energy surrounds us and binds us. Luminous beings are we, not this crude matter," Yoda explains in The Empire Strikes Back, gesturing to Luke's physical body. This quote is striking because of the apt juxtaposition of the wonder of life with its often disgusting vessel. Like many other animals, we secrete, excrete, expectorate, defecate, flatulate, regurgitate, urinate, circulate, masticate, menstruate, ejaculate, and ventilate. We are filled with gas and feces and blood and guts and mucus and any number of rude things. Life as we know it is possible because of the countless impolite things we do every day. Are we luminous beings? Perhaps, but that's neither here nor there. This blog is about the crude matter that keeps us alive.

Michelle Clement has a B.Sc. in zoology (with a minor in American culture studies) and a M.Sc. in organismal biology from The Ohio State University. Her thesis research was on the ecophysiology of epidermal lipids and water homeostasis in house sparrows. She now works as a technical editor for The American Chemical Society. Her broader interests include weird human and animal physiology, obesity and enteric physiology, endocrinology, sexual and reproductive health, personal genomics, anthropology (physical and cultural), sociology, and science education and communication. She lives in Ohio with her boyfriend and two cats.

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