Nanoparticles as biochemical sensors
Afaf El-Ansary, Layla M FaddahBiochemistry Department, Science College, and Pharmacology Department, Pharmacy College, King Saud University, Riyadh, Saudi ArabiaAbstract: There is little doubt that nanoparticles offer real and new opportunities in many fields, such as biomedicine and materials scien...
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| Autores principales: | , |
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| Formato: | article |
| Lenguaje: | EN |
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Dove Medical Press
2010
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| Acceso en línea: | https://doaj.org/article/e61c5964c1fd4bd89ba4dad9b57b790e |
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| Sumario: | Afaf El-Ansary, Layla M FaddahBiochemistry Department, Science College, and Pharmacology Department, Pharmacy College, King Saud University, Riyadh, Saudi ArabiaAbstract: There is little doubt that nanoparticles offer real and new opportunities in many fields, such as biomedicine and materials science. Such particles are small enough to enter almost all areas of the body, including cells and organelles, potentially leading to new approaches in nanomedicine. Sensors for small molecules of biochemical interest are of critical importance. This review is an attempt to trace the use of nanomaterials in biochemical sensor design. The possibility of using nanoparticles functionalized with antibodies as markers for proteins will be elucidated. Moreover, capabilities and applications for nanoparticles based on gold, silver, magnetic, and semiconductor materials (quantum dots), used in optical (absorbance, luminescence, surface enhanced Raman spectroscopy, surface plasmon resonance), electrochemical, and mass-sensitive sensors will be highlighted. The unique ability of nanosensors to improve the analysis of biochemical fluids is discussed either through considering the use of nanoparticles for in vitro molecular diagnosis, or in the biological/biochemical analysis for in vivo interaction with the human body.Keywords: nanoparticles, quantum dots, nanomedicine, biochemical sensors, antibodies, in vivo, in vivo |
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