Cov nyhuv ntawm Squalene rau ntawm daim tawv nqaij

Cov txheej txheem ntawm squalene oxidation nyob rau hauv hais tias nws lub sij hawm ionization tsawg tsawg tuaj yeem pub los yog tau txais cov hluav taws xob yam tsis muaj kev puas tsuaj rau cov qauv molecular ntawm cov hlwb, thiab squalene tuaj yeem txiav cov saw hlau ntawm hydroperoxides hauv txoj kev lipid peroxidation. Cov kev tshawb fawb tau pom tias cov peroxidation ntawm sebum feem ntau yog tshwm sim los ntawm singlet oxygen, thiab singlet oxygen quenching tus nqi tas li ntawm squalene hauv tib neeg sebum yog loj dua li ntawm lwm cov lipids hauv tib neeg daim tawv nqaij. extinction tsis tu ncua. Txawm li cas los xij, nws yuav tsum tau muab sau tseg tias txawm hais tias squalene tuaj yeem thaiv cov lipid peroxidation, cov khoom ntawm squalene, xws li unsaturated fatty acids, kuj muaj kev cuam tshuam rau ntawm daim tawv nqaij.

Squalene peroxide tuaj yeem ua lub luag haujlwm tseem ceeb hauv cov kab mob ntawm pob txuv. Hauv cov qauv kev sim tsiaj, nws tau tsim tias squalene monoperoxide yog cov comedogenic heev, thiab cov ntsiab lus ntawm squalene peroxide maj mam nce hauv UV irradiation. Yog li, nws tau pom zoo tias cov neeg mob pob txuv yuav tsum tau xyuam xim rau kev tiv thaiv lub hnub, thiab cov tshuaj pleev thaiv hnub tuaj yeem zam tau squalene peroxidation ntawm lub cev muaj zog los ntawm ultraviolet rays.

Daim tawv nqaij analyzertuaj yeem siv los txheeb xyuas cov nyhuv ntawm cov tshuaj pleev thaiv hnub. Daim duab UV yog pom xiav tsaus yog siv tshuaj pleev thaiv hnub; Yog tias siv tshuaj pleev thaiv hnub lub cev, daim duab yog qhov cuam tshuam, zoo ib yam li cov fluorescent residue.