publication . Other literature type . Article . 2018

CdSe/ZnS Fluorescent Nanoparticles as Nanoprobes of Local pH in Diagnostics of Oncology

I. G. Motevich; N. D. Strekal; A. V. Shul’ga; S. A. Maskevich;
  • Published: 30 Jun 2018
  • Publisher: Pleiades Publishing Ltd
We discuss the fluorescence spectra from a set of points in histological sections of colon tissue with different levels of pathology that were stained with hydrophilic semiconductor CdSe/ZnS nanoparticles that were modified by a unique method at the phase interface. The shifts in the fluorescence spectra that were recorded for stained cells at different pathologies are described using the electrochromism of the nanoparticles. Aqueous solutions of the CdSe/ZnS nanoparticles with different pH values are used as systems that model the acidity of a biological medium. It has been shown that the shifts of the fluorescence bands of the CdSe/ZnS nanoparticles are caused...
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free text keywords: Fluorescence, Semiconductor, business.industry, business, Ion, Electrochromism, Nanoparticle, Materials science, Photochemistry, Biological tissue, Fluorescent nanoparticles, Aqueous solution
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