Source:http://linkedlifedata.com/resource/pubmed/id/15924390
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
11
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pubmed:dateCreated |
2005-5-31
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pubmed:abstractText |
A new isotope edited internal standard (IEIS) method for quantitative surface-enhanced Raman spectroscopy (SERS) is demonstrated using rhodamine 6G (R6G-d0) and rhodamine 6G (R6G-d4) edited with deuterium. The reproducibility and accuracy of the IEIS method is investigated both under optical resonance (SERRS) and nonresonance (SERS) conditions. A batch-to-batch concentration measurement reproducibility of better than 3% is demonstrated over a concentration range of 200 pM-2 microM with up to a factor of 3 difference between the concentration of the analyte and its IEIS. The superior performance of the IEIS method is further illustrated by comparing results obtained using absolute SERS/SERRS intensity calibration (with no internal standard) or using adenine (rather than R6G-d4) as an internal standard for R6G concentration quantization. Potential biomedical gene expression and comparative proteomic applications of the IEIS method are discussed.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Jun
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pubmed:issn |
0003-2700
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
1
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pubmed:volume |
77
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
3563-9
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pubmed:dateRevised |
2008-11-21
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pubmed:meshHeading |
pubmed-meshheading:15924390-Adenine,
pubmed-meshheading:15924390-Deuterium,
pubmed-meshheading:15924390-Molecular Structure,
pubmed-meshheading:15924390-Optics and Photonics,
pubmed-meshheading:15924390-Reference Standards,
pubmed-meshheading:15924390-Reproducibility of Results,
pubmed-meshheading:15924390-Rhodamines,
pubmed-meshheading:15924390-Sensitivity and Specificity,
pubmed-meshheading:15924390-Spectrum Analysis, Raman
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pubmed:year |
2005
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pubmed:articleTitle |
Isotope edited internal standard method for quantitative surface-enhanced Raman spectroscopy.
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pubmed:affiliation |
Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, USA. zhang17@purdue.edu
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pubmed:publicationType |
Journal Article,
Evaluation Studies
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