Condensed Matter / Cond-Mat.soft

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Nucleated polymerisation in the presence of pre-formed seed filaments

Nucleated polymerisation in the presence of pre-formed seed filaments

: ๋ณธ ๋…ผ๋ฌธ์€ ์˜ค์˜ค์‚ฌ์™€(Oosawa)์˜ ๊ณ ์ „์ ์ธ ๋ˆ„ํด๋ ˆ์ดํ‹ฐ๋“œ ์ค‘ํ•ฉ ์ด๋ก ์„ ํ™•์žฅํ•˜์—ฌ, ์ƒ๋ฌผ ํ•„๋ผ๋ฉ˜ํŠธ ์„ฑ์žฅ์„ ์„ค๋ช…ํ•˜๋Š” ์ƒˆ๋กœ์šด ๊ด€์ ์„ ์ œ์‹œํ•ฉ๋‹ˆ๋‹ค. ํŠนํžˆ ์ฃผ๋œ ๊ด€์‹ฌ์‚ฌ๋Š” ์‚ฌ์ „ ํ˜•์„ฑ๋œ ์”จ์•— ๋ฌผ์งˆ์ด ์กด์žฌํ•˜๋Š” ์‹œ์Šคํ…œ์—์„œ์˜ ์ค‘ํ•ฉ ๊ณผ์ •์ž…๋‹ˆ๋‹ค. 1. ๋ˆ„ํด๋ ˆ์ดํ‹ฐ๋“œ ์ค‘ํ•ฉ ์ด๋ก ์˜ ๋ฐฐ๊ฒฝ ์˜ค์˜ค์‚ฌ์™€๋Š” 1960๋…„๋Œ€์— ์ƒ๋ฌผ ํ•„๋ผ๋ฉ˜ํŠธ ์„ฑ์žฅ์„ ์„ค๋ช…ํ•˜๊ธฐ ์œ„ํ•ด ๋ˆ„ํด๋ ˆ์ดํ‹ฐ๋“œ ์ค‘ํ•ฉ ์ด๋ก ์„ ๊ฐœ๋ฐœํ–ˆ์Šต๋‹ˆ๋‹ค. ์ด ์ด๋ก ์€ ์ฃผ๋œ ๋ˆ„ํด๋ ˆ์ด์…˜๊ณผ ๊ธธ์–ด์ง, ๊ทธ๋ฆฌ๊ณ  ๋ถ„ํ•ด ๊ณผ์ •์„ ๊ณ ๋ คํ•˜์—ฌ ์•กํ‹ด๊ณผ ํŠœ๋ถˆ๋ฆฐ ๊ฐ™์€ ๋‹จ๋ฐฑ์งˆ์˜ ์ค‘ํ•ฉ์„ ์„ค๋ช…ํ•ฉ๋‹ˆ๋‹ค. ์ดํ›„ ์—ํŠผ๊ณผ ํŽ˜๋ก ๋„ค๋Š” ์ด ์ด๋ก ์„ ํ™•์žฅํ•˜์—ฌ ์ฐจ์„ธ๋Œ€ ๋ˆ„ํด๋ ˆ์ด์…˜ ๊ฒฝ

Quantitative Biology Physics Condensed Matter
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Competition between hydrogen bonding and electric field in single-file transport of water in carbon nanotubes

๋ณธ ์—ฐ๊ตฌ๋Š” ๋‹จ์ผ ๋ฒฝ ํƒ„์†Œ ๋‚˜๋…ธ ํŠœ๋ธŒ(SWCNTs) ๋‚ด๋ถ€๋ฅผ ํ†ต๊ณผํ•˜๋Š” ๋ฌผ์˜ ์ด๋™์„ MD ์‹œ๋ฎฌ๋ ˆ์ด์…˜์„ ํ†ตํ•ด ์กฐ์‚ฌํ•˜๊ณ , ํŠนํžˆ ์ „๊ธฐ์žฅ์ด ์ˆ˜์ง์œผ๋กœ ์ ์šฉ๋˜์—ˆ์„ ๋•Œ์˜ ํšจ๊ณผ์— ์ฃผ๋ชฉํ•ฉ๋‹ˆ๋‹ค. SWCNTs๋Š” ๊ฐ•ํ•œ ์นœ์ˆ˜์„ฑ์„ ๊ฐ€์ง€๊ณ  ์žˆ์œผ๋ฉฐ, ์ด๋ฅผ ํ†ตํ•ด ๋ฌผ ๋ถ„์ž๊ฐ€ ์ž๋ฐœ์ ์œผ๋กœ ์ฑ„์›Œ์ง€๋Š” ๋…ํŠนํ•œ ํŠน์„ฑ์„ ๋ณด์ž…๋‹ˆ๋‹ค. ์ด ์—ฐ๊ตฌ์—์„œ๋Š” ์ด๋Ÿฌํ•œ ์‹œ์Šคํ…œ ๋‚ด์—์„œ ๋ฌผ ๋ถ„์ž์˜ ์ด๋™ ๋ฐฉ์‹์ด ํƒ„์†Œ ๋‚˜๋…ธ ํŠœ๋ธŒ์˜ ์ง€๋ฆ„์— ๋”ฐ๋ผ ์–ด๋–ป๊ฒŒ ๋ณ€ํ™”ํ•˜๋Š”์ง€์— ๋Œ€ํ•œ ์ดํ•ด๋ฅผ ํ™•์žฅํ•˜๊ณ ์ž ํ•ฉ๋‹ˆ๋‹ค. 1. ๋ฌผ ๋ถ„์ž์˜ ๋ฐฐ์—ด๊ณผ ์ˆ˜์†Œ ๊ฒฐํ•ฉ ๋„คํŠธ์›Œํฌ ํƒ„์†Œ ๋‚˜๋…ธ ํŠœ๋ธŒ ๋‚ด๋ถ€์—์„œ๋Š” ๋ฌผ ๋ถ„์ž๊ฐ€ 1์ฐจ์› ์ˆœ์„œ๋กœ ๋ฐฐ์—ด๋˜์–ด ์ด๋™ํ•˜๋ฉฐ,

Condensed Matter Physics
The impact of a carbon nanotube on the cholesterol domain localized on a   protein surface

The impact of a carbon nanotube on the cholesterol domain localized on a protein surface

๋งค๋ ฅ์ ์ธ ํ•œ๊ธ€ ์ œ๋ชฉ: ํƒ„์†Œ ๋‚˜๋…ธํŠœ๋ธŒ์˜ ์กด์žฌ๊ฐ€ ์ฝœ๋ ˆ์Šคํ…Œ๋กค ๋„๋ฉ”์ธ ๋ถ„ํฌ์— ๋ฏธ์น˜๋Š” ์˜ํ–ฅ ์ดˆ๋ก ์ „์ฒด ๋ฒˆ์—ญ ๋ฐ ์ •๋ฆฌ: ๋ณธ ์—ฐ๊ตฌ์—์„œ๋Š” ํƒ„์†Œ ๋‚˜๋…ธํŠœ๋ธŒ(CNT)๊ฐ€ ๋‹จ๋ฐฑ์งˆ ํ‘œ๋ฉด์—์„œ ํ˜•์„ฑ๋œ ์ฝœ๋ ˆ์Šคํ…Œ๋กค ๋„๋ฉ”์ธ์˜ ๋ถ„ํฌ์— ๋ฏธ์น˜๋Š” ์˜ํ–ฅ์„ ๋ถ„์ž ๋™์—ญํ•™(MD) ์‹œ๋ฎฌ๋ ˆ์ด์…˜์„ ํ†ตํ•ด ์กฐ์‚ฌํ–ˆ์Šต๋‹ˆ๋‹ค. ํŠนํžˆ, ํ˜ˆ๊ด€ ๋‚ดํ”ผ ์„ธํฌ์˜ ์–‡์€ ์ธต์„ ํ˜•์„ฑํ•˜๋Š” ๋‹จ๋ฐฑ์งˆ 1LQV๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ, ํƒ„์†Œ ๋‚˜๋…ธํŠœ๋ธŒ๊ฐ€ ์ฝœ๋ ˆ์Šคํ…Œ๋กค ๋ถ„์ž์˜ ๋ถ„ํฌ์™€ ์—ญํ•™์— ์–ด๋–ค ์˜ํ–ฅ์„ ๋ฏธ์น˜๋Š”์ง€ ํ™•์ธํ–ˆ์Šต๋‹ˆ๋‹ค. ์‹œ๋ฎฌ๋ ˆ์ด์…˜ ๊ฒฐ๊ณผ, ํƒ„์†Œ ๋‚˜๋…ธํŠœ๋ธŒ์˜ ์กด์žฌ๋กœ ์ธํ•ด ๋งŽ์€ ์ฝœ๋ ˆ์Šคํ…Œ๋กค์ด ๋‹จ๋ฐฑ์งˆ ํ‘œ๋ฉด์—์„œ ์ด๋™ํ•˜์—ฌ ๋‚˜๋…ธํŠœ๋ธŒ ์ฃผ๋ณ€์œผ๋กœ ์นจ์ฐฉ๋˜๋Š”

Condensed Matter Physics

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