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|e rakwb
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|a eng
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| 100 |
1 |
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|a Dorfman, Adam
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Highly sensitive biomolecular fluorescence detection using nanoscale ZnO platforms
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|c 2006
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|a Text
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|a ohne Hilfsmittel zu benutzen
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|a Date Completed 19.09.2007
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|a Date Revised 21.11.2013
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|a published: Print
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|a Citation Status MEDLINE
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|a Fluorescence detection is currently one of the most widely used methods in the areas of basic biological research, biotechnology, cellular imaging, medical testing, and drug discovery. Using model protein and nucleic acid systems, we demonstrate that engineered nanoscale zinc oxide structures can significantly enhance the detection capability of biomolecular fluorescence. Without any chemical or biological amplification processes, nanoscale zinc oxide platforms enabled increased fluorescence detection of these biomolecules when compared to other commonly used substrates such as glass, quartz, polymer, and silicon. The use of zinc oxide nanorods as fluorescence enhancing substrates in our biomolecular detection permitted sub-picomolar and attomolar detection sensitivity of proteins and DNA, respectively, when using a conventional fluorescence microscope. This ultrasensitive detection was due to the presence of ZnO nanomaterials which contributed greatly to the increased signal-to-noise ratio of biomolecular fluorescence. We also demonstrate the easy integration potential of zinc oxide nanorods into periodically patterned nanoplatforms which, in turn, will promote the assembly and fabrication of these materials into multiplexed, high-throughput, optical sensor arrays. These zinc oxide nanoplatforms will be extremely beneficial in accomplishing highly sensitive and specific detection of biological samples involving nucleic acids, proteins and cells, particularly under detection environments involving extremely small sample volumes of ultratrace-level concentrations
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Proteins
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|a DNA
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|a 9007-49-2
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|a Zinc Oxide
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|a Kumar, Nitin
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|a Hahm, Jong-in
|e verfasserin
|4 aut
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|t Langmuir : the ACS journal of surfaces and colloids
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|g 22(2006), 11 vom: 23. Mai, Seite 4890-5
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|g month:05
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