نتایج جستجو برای: ph sensitive nanoparticles
تعداد نتایج: 539402 فیلتر نتایج به سال:
Here we report the rational development of a carbon dot (CDs)-based fluorescent pH nanosensor by employing an active surface preservation strategy. More specifically, citric acid, urea and fluorescein were subjected to one-pot hydrothermal treatment, which preserved fluorescein-like structures on CDs. The obtained CDs showed pH-sensitive green emission, can be used determine variations from 3.7...
The reliable and sensitive detection of cancer-specific biomarkers is important for the diagnosis and treatment of cancer. Hence, detection of these biomarkers has to be reliably and rapidly performed in diverse settings. A limitation of the conventional biomarker-screening method of enzyme-linked immunosorbent assay (ELISA) is the employment of labile components, such as hydrogen peroxide and ...
Acidic pH inside cells indicates cellular dysfunctions such as cancer. Therefore, the development of optical pH sensors for measuring and imaging intracellular pH is a demanding challenge. The available pH-sensitive probes are vulnerable to e.g. photobleaching or autofluorescence background in biological materials. Our approach circumvents these problems due to near infrared excitation and upco...
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