Nanoliter-sized overheated reactor | Zendy

Pavel Neužil | Zendy; WenHua Sun | Zendy; Tomáš Karásek | Zendy; A. Manz | Zendy

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Nanoliter-sized overheated reactor

Author(s) -

Pavel Neužil,

WenHua Sun,

Tomáš Karásek,

A. Manz

Publication year - 2015

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.4905851

Subject(s) - superheating , materials science , boiling , mineral oil , nucleation , microfluidics , composite material , microscope , analytical chemistry (journal) , chemical engineering , metallurgy , nanotechnology , chemistry , chromatography , optics , thermodynamics , engineering , physics , organic chemistry

We report on a microfluidic system formed by 200 nl water droplets, encapsulated by a 600 nlmineral oil placed on a hydrophobically coated glass microscope cover slip. The micromachinedheater underneath the glass was able to heat up the sample at a heating rate of 650 C/s, heating thewater sample up to 200 C in less than 2 s. The sample/glass and the sample/oil interface did nothave nucleation centers, showing that the sample reached a superheated stage without the necessityof being pressurized to suppress boiling. This method can be utilized for various applicationscurrently being conducted in autoclaves.Popisujeme mikrofluidní systém tvořeném 200 nl kapou vody, pokryte 600 nlminerálniho oleje umístěn na hydrofobně potažené skleněné mikroskopické krycí sklíčko.micromachinedtopné těleso pod sklem byl schopen ohřát vzorku při rychlosti zahřívání 650? C / s, topeníVzorek vody až do 200? C, za méně než 2 s.Vzorek / skla a vzorek / olej rozhraní nemají nukleační centra, což ukazuje, že vzorek dosáhl přehřáté fáze bez nutnostibýt pod tlakem potlačit varu. Tato metoda může být použita pro různé aplikacev současné době se provádí v autoklávech

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