影片:痤瘡的生理學和痤瘡藥物的化學原理。

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這是來自 ChemMatters 系列的 ByteSizeScience 的另一個精彩影片,名為“痤瘡的化學原理”

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

該影片描述了粉刺形成的生理學原理。簡而言之,過多的皮脂(或皮膚油脂)會堵塞毛孔,並將死皮細胞困在裡面。細菌在毛孔內增殖,以吞噬被困的死皮細胞。白細胞遷移到毛孔以對抗細菌感染,死皮、白細胞和細菌的混合物形成粉刺的膿核。該影片還很好地解釋了過氧化苯甲醯如何對抗引起痤瘡的細菌的化學原理。


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圖片來源:NIH,來自維基共享資源

"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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