Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
52
pubmed:dateCreated
2009-12-2
pubmed:abstractText
Dielectrophoresis is an electrokinetic phenomenon that utilizes an asymmetric electric field to separate analytes based on differences in their polarizabilities relative to that of the suspending medium. One dielectrophoretic device architecture that offers interesting possibilities for particle transport without the use of external flow is the ratchet geometry. This paper describes the fabrication and evaluation of a novel dielectrophoretic ratchet device using a series of fine particles as test probes. The asymmetrical electric field required to selectively transport target analytes was produced using electroformed electrodes which offer the possibility of reducing convective heating and which can be used to construct a device in which all particles located within the fluidic channel are exposed to the applied field. Initial tests of this device were conducted using magnetite and polystyrene fine particles to demonstrate selective particle collection and a separation based on differences in the electrical properties of the analytes employed.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
Dec
pubmed:issn
1873-3778
pubmed:author
pubmed:issnType
Electronic
pubmed:day
25
pubmed:volume
1216
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
9063-70
pubmed:meshHeading
pubmed:year
2009
pubmed:articleTitle
Fabrication and evaluation of a ratchet type dielectrophoretic device for particle analysis.
pubmed:affiliation
Department of Chemistry, Oregon State University, Corvallis, OR 97331-4003, USA.
pubmed:publicationType
Journal Article