نتایج جستجو برای: fluorescent nanoparticles
تعداد نتایج: 192430 فیلتر نتایج به سال:
We present a convenient method to prepare fluorophores 3- or 3,7-divinyl substituted 10H-phenothiazines and their protonation forms can aggregate to become fluorescent organic nanoparticles (FONs) with bright fluorescent spots in the lysosomes of cancer cells but not normal cells.
We present a microfluidic platform that allows undergoing different chemical operations in a nanoliter droplet starting from the colloidal suspension of magnetic iron oxide (γ-Fe2O3) nanoparticles "NPs" (ferrofluid). These operations include: mixing, flocculation, magnetic decantation, colloidal redispersion, washing, surface functionalization, heating and colloidal assembly. To prove the platf...
This paper describes a novel microfluidic immunoassay utilizing binding of superparamagnetic nanoparticles to beads and deflection of these beads in a magnetic field as the signal for measuring the presence of analyte. The superparamagnetic 50 nm nanoparticles and fluorescent 1 microm polystyrene beads are immobilized with specific antibodies. When target analytes react with the polystyrene bea...
Photochromic compound-conjugated fluorescent fullerene-silica nanoparticles prepared by the reverse-microemulsion method was utilized for photoswitchable cellular imaging by repeatable irradiation of ultraviolet and visible light.
Fluorescence unquenching measurements of protease-dependent release of fluorescent biomolecules from peptide-capped gold nanoparticles reveal the effect of the monolayer composition on enzyme kinetics.
A unique heterophase ligand exchange induced etching process was used to transform gold nanoparticles into organic-soluble fluorescent gold clusters which were assigned to Au(8) by optical spectroscopy and MALDI-TOF mass spectrometry. Both the annihilation electrochemiluminescence of fluorescent Au(8) clusters in organic solution and the coreactant electrochemiluminescence of Au(8) cluster film...
OBJECTIVE We sought to test two concepts: that nanoparticles can be used for in vivo gene delivery and that canine granulocyte-macrophage colony-stimulating factor (GM-CSF)/nanoparticles can have possibility to be used to treat transient (acute) canine leukopenia. MATERIALS AND METHODS We have generated a novel fluorescent-silica nanoparticle binding of canine GM-CSF gene; canine GM-CSF gene ...
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