S1
Supporting Information
Seawater
-
Driven
Magnesium
based
Janus
Micromotors for
Environmental Remediation
Wei Gao,
Xiaomiao Feng
,
Allen Pei
,
Yonge Gu, Jinxing Li
, Joseph Wang
*
Department of Nanoengineering, University of California, San Diego, La Jolla, Calif
ornia 92093,
United States.
* Address correspondence to
josephwang@ucsd.edu
.
S
upporting
v
ideos
description
SI Video 1.
Seawater
-
driven magnetically
-
guided Mg
-
based micromotor
.
SI Video 2.
Control experiments using
Mg,
Mg/Ti, Mg/Ti/Ag and Mg/Ti/Au microparticles in
sea water.
SI Video 3.
Anion effect upon the movement of Mg/Ti/Au micromotors using pure water, 0.5 M
NaNO
3
solution, 0.5 M Na
2
SO
4
solution and 0.5 M NaCl solutions.
SI Video
4
.
Dependence of the
autonom
ous motion performance of the new Mg
-
based Janus
micromotors
upon the chloride ion concentration
s
in
the
aqueous media
.
SI Video
5
.
A seawater driven alkanethiol
-
modified Mg micromotor
approach
es
, capture
s
and
transport
s
the oil droplet in seawater.
SI Vid
eo 6.
The interaction of micromotors without the hydrophobic coating and the oil droplet.
Electronic Supplementary Material (ESI) for Nanoscale
This journal is © The Royal Society of Chemistry 2013