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Hue and chromaticity based exploration of surface complexation induced tunable emission from a non‐luminescent quantum dots

Bhandari, Satyapriya; Roy, Shilaj; Pramanik, Sabyasachi; Mandal, Prasenjit; Manna, Mihir (Wiley, 2019-09)

Herein we report the first time use of a hue parameter of HSV (Hue, Saturation and Value) color space - in combination with chromaticity color coordinates - for exploring the complexation induced luminescence color changes, ...
Luminescence enhancement based sensing of L-Cysteine by doped quantum dots

Pramanik, Sabyasachi; Roy, Shilaj; Bhandari, Satyapriya (Wiley, 2020-04)

The interaction of a presynthesized orange emitting Mn2+-doped ZnS quantum dots (QDs) with L-Cysteine (L−Cys) led to enhance emission intensity (at 596 nm) and quantum yield (QY). Importantly, the Mn2+-doped ZnS QDs exhibited ...
The quantum dot-FRET-based detection of vitamin B12 at a picomolar level

Pramanik, Sabyasachi; Roy, Shilaj; Bhandari, Satyapriya (Royal Society of Chemistry, 2020-07)

Herein we report the picomolar level detection of vitamin B12 (VB12) using orange-red emitting ligand-free Mn2+-doped ZnS quantum dots (QDs; ?em = 587 nm) in an aqueous dispersion. Sensing was achieved following the quenching ...

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