@article{
 title = {Ultrasound-Modulated Bubble Propulsion of Chemically-Powered Microengines.},
 type = {article},
 year = {2014},
 identifiers = {[object Object]},
 websites = {http://www.ncbi.nlm.nih.gov/pubmed/24898345},
 month = {6},
 day = {4},
 id = {3b19c3f8-f744-3131-ba32-b777d4976395},
 created = {2014-11-13T17:56:03.000Z},
 file_attached = {true},
 profile_id = {5a758209-74fb-3a9c-b322-2ae7f22f7b6c},
 group_id = {63e349d6-2c70-3938-9e67-2f6483f6cbab},
 last_modified = {2014-11-18T21:13:47.000Z},
 read = {false},
 starred = {false},
 authored = {false},
 confirmed = {true},
 hidden = {false},
 abstract = {The use of the ultrasound field for rapid and reversible control of the movement of bubble-propelled chemically-powered PEDOT/Ni/Pt microengines is demonstrated. Such operation reflects the ultrasound-induced disruption of normal bubble evolution and ejec-tion, essential for efficient propulsion of catalytic micro-tubular engines. It offers precise speed control, with sharp increases and decreases of the speed at low and high ultrasound powers, respectively. A wide range of speeds can thus be generated by tuning the ultrasound power. Extremely fast changes in the motor speed (<0.1 s) and reproducible 'On/Off' activations are observed, indicating distinct advantages compared to motion control methods based on other external stimuli. Such effective control of the propulsion of chemically-powered microengines, including remarkable 'braking' ability, holds considerable promise for diverse applications.},
 bibtype = {article},
 author = {Xu, Tailin and Soto, Fernando and Gao, Wei and Garcia-Gradilla, Victor and Li, Jinxing and Zhang, Xueji and Wang, Joseph},
 journal = {Journal of the American Chemical Society}
}

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