Liquid marble for gas sensing

Abstract

The porous and superhydrophobic shell of a liquid marble prevents contact of its liquid core with outside surfaces, but allows gas transport. Liquid marble can therefore be used to sense gas or emit gas. Liquid marbles loaded with different indicators can simultaneously sense different gases via different mechanisms.

Interpretation of elasticity of liquid marbles

“…A variety of media, including organic and ionic liquids and liquid metals, could be converted into liquid marbles [16][17][18]. Liquid marbles were successfully exploited for microfluidics [1,4,[18][19][20][21], water pollution detection [22], gas sensing [23], blood typing [24] and optical probing [25]. Respirable liquid marbles for the cultivation of microorganisms and Daniel cells based on liquid marbles were reported recently by Shen et al [26][27].…”

Liquid marbles: principles and applications

“…Tian et al used this concept to show sensing of ammonia and hydrochloric gases. 46 They emphasized that multiple liquid marbles with different indicator solutions could be used in close proximity simultaneously. A rather different concept has been to use a liquid marble to create a liquid-based accelerometer.…”

Liquid marbles containing petroleum and their properties

“…Liquid marbles were successfully exploited for microfluidics (Venkateswara Rao et al 2005;Xue et al 2010;Bormashenko et al 2008Bormashenko et al , 2011Bormashenko et al , 2012, water pollution detection (Bormashenko and Musin 2009), gas sensing (Tian et al 2010), electrowetting (Newton et al 2007), blood typing (Arbatan et al 2012), and optical probing (Zhao et al 2012). Respirable liquid marbles for the cultivation of microorganisms and Daniel cells based on liquid marbles were reported recently by the group led by Shen Li et al 2013).…”