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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
12
pubmed:dateCreated
2007-5-21
pubmed:abstractText
DNA template driven CdSe nanobeads (NBs) and nanowires (NWs) have been synthesized by an electrodeposition technique. The synthesis protocol has yielded randomly oriented cubic CdSe NBs with mean size approximately 3.0 nm in presence of single stranded DNA, poly G(30). Monocrystalline cubic CdSe NWs of width approximately 4.0 nm with string-like morphology have been achieved when synthesized in presence of both poly G(30) and its conjugate, poly C(30). Optical absorption of CdSe NBs show a blue shift of 0.8 eV and long wavelength tailing where as NWs show steep increase of absorption in shorter wavelength regime accompanied by a further blue shift. DNA tags to the NBs or NWs have been confirmed from Fourier transform infrared spectroscopy measurements. Biomolecular recognition with CdSe NWs have been established by photoluminescence measurements.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jun
pubmed:issn
0956-5663
pubmed:author
pubmed:issnType
Print
pubmed:day
15
pubmed:volume
22
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
3086-91
pubmed:dateRevised
2009-7-14
pubmed:meshHeading
pubmed:year
2007
pubmed:articleTitle
Biomolecular recognition in DNA tagged CdSe nanowires.
pubmed:affiliation
Institute of Physics, Sachivalaya Marg, Bhubaneswar 751005, India.
pubmed:publicationType
Journal Article