Cited Article: Holt JK. Fast mass transport through sub-2-nanometer carbon nanotubes
Alert Expires: 18 OCT 2009
Number of Citing Articles: 1 new records this week (1 in this e-mail)
Organization ID: 3b97d1bbc1878baed0ab183d8b03130b
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AU Wild, E
Jones, KC
AF Wild, Edward
Jones, Kevin C.
TI Novel Method for the Direct Visualization of in Vivo Nanomaterials and
Chemical Interactions in Plants
SO ENVIRONMENTAL SCIENCE & TECHNOLOGY
LA English
DT Article
ID NEAR-INFRARED FLUORESCENCE; WALLED CARBON NANOTUBES; BEHAVIOR;
NANOPARTICLES; ENVIRONMENT; TRANSPORT; CELLS
AB The increasing use of nanomaterials in almost all sectors of society
(e.g., health or energy to agriculture and transport) has generated a
need for innovative detection methods for nanomaterials, to enable
their continued development, environmental and toxicological
monitoring, and risk assessment. In vivo nanoparticle visualization is
needed to support applications in drug delivery to plant biology where
real-time monitoring is essential. Techniques are sought that do not
require the addition of molecular tags or nanotags to enhance
detection, because these may modify the surface, properties or behavior
of the nanomaterials. Here two-photon excitation microscopy coupled
with plant, nanomaterial, or chemical autofluorescence is used to
detect and visualize multiwalled carbon nanotubes (MWCNTs), titanium
dioxide, and cerium dioxide in living wheat tissues. The potential of
the technique to track chemical-nanomaterial interactions in living
tissues is then demonstrated, using phenanthrene as a model compound.
MWCNTs were observed to pierce wheat root cell walls and enhance the
transport of phenanthrene into the living cells. The ability of this
technique to monitor real-time in vivo nanomaterial behavior and its
potential applications and limitations for use in various disciplines
is highlighted.
C1 [Wild, Edward; Jones, Kevin C.] Univ Lancaster, Lancaster Environm Ctr, Lancaster LA1 4YQ, England.
RP Wild, E, Univ Lancaster, Lancaster Environm Ctr, Lancaster LA1 4YQ,
England.
EM e.wild@lancaster.ac.uk
CR *INT COUNC NAN, 2008, 4 INT COUNC NAN
*ROYAL COMM ENV PO, 2008, 27 ROYAL COMM ENV PO
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WILD E, 2005, ENVIRON SCI TECHNOL, V39, P3695, DOI 10.1021/es048136a
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YANG K, 2006, ENVIRON SCI TECHNOL, V40, P1855, DOI 10.1021/es052208w
NR 26
TC 0
PU AMER CHEMICAL SOC; 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0013-936X
DI 10.1021/es900065h
PD JUL 15
VL 43
IS 14
BP 5290
EP 5294
SC Engineering, Environmental; Environmental Sciences
GA 472NE
UT ISI:000268138000022
ER
EF
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