Microscale surface energy properties for enhanced surface condensation and sampling of exhaled breath metabolites

Hamzeh K. Bardaweel, Konstantin Zamuruyev, Jean Pierre Delplanque, Nicholas Kenyon, Christopher Carron, Oliver Brand, Cristina E Davis

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

A MEMS-based exhaled breath sampler for the capture of both volatile and non-volatile biomarker metabolites is presented. The surface of the sampler is made superhydrophobic to enhance dropwise condensation and patterned with a radially-distributed wettability gradient that routes exhaled breath condensate droplets toward a central collection point. Results show that the surface of the sampler promotes dropwise condensation, and enables a freeenergy-driven mechanism to collect exhaled breath condensate from the surface. Contact angles, measured from the most hydrophobic to the least hydrophobic region, range from 157.0 to 126.8 degrees. Maximum contact angle hysteresis is approximately 1.8 degrees. Droplets deposited on the surface move at a rate of 6 mm/sec towards the central collection point.

Original languageEnglish (US)
Title of host publicationTechnical Digest - Solid-State Sensors, Actuators, and Microsystems Workshop
PublisherTransducer Research Foundation
Pages239-242
Number of pages4
ISBN (Print)9780964002494
StatePublished - 2012
Event2012 Solid-State Sensors, Actuators and Microsystems Workshop, Hilton Head 2012 - Hilton Head, United States
Duration: Jun 3 2012Jun 7 2012

Other

Other2012 Solid-State Sensors, Actuators and Microsystems Workshop, Hilton Head 2012
CountryUnited States
CityHilton Head
Period6/3/126/7/12

Fingerprint

Metabolites
Interfacial energy
Condensation
Sampling
Contact angle
Biomarkers
MEMS
Hysteresis
Wetting

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Electrical and Electronic Engineering
  • Hardware and Architecture

Cite this

Bardaweel, H. K., Zamuruyev, K., Delplanque, J. P., Kenyon, N., Carron, C., Brand, O., & Davis, C. E. (2012). Microscale surface energy properties for enhanced surface condensation and sampling of exhaled breath metabolites. In Technical Digest - Solid-State Sensors, Actuators, and Microsystems Workshop (pp. 239-242). Transducer Research Foundation.

Microscale surface energy properties for enhanced surface condensation and sampling of exhaled breath metabolites. / Bardaweel, Hamzeh K.; Zamuruyev, Konstantin; Delplanque, Jean Pierre; Kenyon, Nicholas; Carron, Christopher; Brand, Oliver; Davis, Cristina E.

Technical Digest - Solid-State Sensors, Actuators, and Microsystems Workshop. Transducer Research Foundation, 2012. p. 239-242.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Bardaweel, HK, Zamuruyev, K, Delplanque, JP, Kenyon, N, Carron, C, Brand, O & Davis, CE 2012, Microscale surface energy properties for enhanced surface condensation and sampling of exhaled breath metabolites. in Technical Digest - Solid-State Sensors, Actuators, and Microsystems Workshop. Transducer Research Foundation, pp. 239-242, 2012 Solid-State Sensors, Actuators and Microsystems Workshop, Hilton Head 2012, Hilton Head, United States, 6/3/12.
Bardaweel HK, Zamuruyev K, Delplanque JP, Kenyon N, Carron C, Brand O et al. Microscale surface energy properties for enhanced surface condensation and sampling of exhaled breath metabolites. In Technical Digest - Solid-State Sensors, Actuators, and Microsystems Workshop. Transducer Research Foundation. 2012. p. 239-242
Bardaweel, Hamzeh K. ; Zamuruyev, Konstantin ; Delplanque, Jean Pierre ; Kenyon, Nicholas ; Carron, Christopher ; Brand, Oliver ; Davis, Cristina E. / Microscale surface energy properties for enhanced surface condensation and sampling of exhaled breath metabolites. Technical Digest - Solid-State Sensors, Actuators, and Microsystems Workshop. Transducer Research Foundation, 2012. pp. 239-242
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