在多孔玻璃中直接激光写入具有可控渗透性的屏障。

Direct laser writing of barriers with controllable permeability in porous glass.

作者信息

Veiko Vadim P, Zakoldaev Roman A, Sergeev Maksim M, Danilov Pavel A, Kudryashov Sergey I, Kostiuk Galina K, Sivers Aleksandr N, Ionin Andrey A, Antropova Tatiana V, Medvedev Oleg S

出版信息

Opt Express. 2018 Oct 15;26(21):28150-28160. doi: 10.1364/OE.26.028150.

DOI:10.1364/OE.26.028150

PMID:30469870

Abstract

Barriers were produced in porous glass through its local bulk density modification by direct femtosecond writing accompanied by СО-laser surface thermal densification, to make functional microfluidic elements separated by such physical barriers with different controlled permeability. The separation of multi-component solutions into individual components with different molecule sizes (molecular separation) was performed in this first integrated microfluidic device fabricated in porous glass. Its application in the environmental gas-phase analysis was demonstrated.

摘要

通过直接飞秒写入并伴随CO激光表面热致密化对多孔玻璃的局部体密度进行改性，从而在多孔玻璃中制造出屏障，以制作由具有不同可控渗透率的此类物理屏障分隔的功能性微流体元件。在这种首次制造于多孔玻璃中的集成微流体装置中，实现了将多组分溶液分离为具有不同分子大小的单个组分（分子分离）。还展示了其在环境气相分析中的应用。