journal article·2018-11Open access

Picoanalysis: Picoanalysis of Drugs in Biofluids with Quantitative Label‐Free Surface‐Enhanced Raman Spectroscopy (Small 47/2018)

Vladimir Turzhitsky, Lei Zhang, Gary L. Horowitz, Edward Vitkin, Umar Khan, Yuri Zakharov, Le Qiu, Irving Itzkan, Lev T. Perelman

Small· Volume 14· Issue 47

Abstract

In article number 1802392, Lev T. Perelman and co-workers report a quantitative label-free surface-enhanced Raman spectroscopy (SERS) method for identifying and quantifying drugs at ultralow concentrations. Self-assembled gold nanoclusters entrap drug molecules and laser light excites the surface plasmon resonance, yielding a large SERS signal from the molecule trapped near the hot spot, allowing measurements of drugs in urine samples at clinically relevant concentrations.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Spectroscopy Techniques in Biomedical and Chemical Research · Gold and Silver Nanoparticles Synthesis and Applications

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Affiliations

Center for Advanced Biomedical Imaging and Photonics Beth Israel Deaconess Medical Center Harvard University Boston MA 02215 USA

Department of Pathology Beth Israel Deaconess Medical Center Harvard University Boston MA 02215 USA

References

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