Upconversion nanoparticles
Single Particle Investigations of the Photophysics and Applications of Upconversion Nanoparticles.
... single upconversion nanoparticles, albeit a larger size ...the upconversion and gold shell materials with insight from ...coated upconversion nanoparticles free in solution in a ...of ...
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Synthesis of NaYF4:Yb3+, Er3+ upconversion nanoparticles in normal microemulsions
... upconversion nanoparticles (UCNPs) have attracted a tremendous amount of attention because of their poten- tial use in bioanalysis and medical imaging recently ...[1-5]. Upconversion was first ...
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Polyaniline-coated upconversion nanoparticles with upconverting luminescent and photothermal conversion properties for photothermal cancer therapy
... In the current study, upconversion nanoparticles (UCNPs) were first prepared by a typical solvothermal method. A polyaniline photothermal therapeutic shell was then formed by the polymerization of an ...
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Upconversion Nanoparticles for Photodynamic Therapy and Other Cancer Therapeutics
... Photodynamic therapy (PDT) is a non-invasive treatment modality for a variety of diseases in- cluding cancer. PDT based on upconversion nanoparticles (UCNPs) has received much attention in recent years. ...
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Effective near-infrared photodynamic therapy assisted by upconversion nanoparticles conjugated with photosensitizers
... photosensitizer–conjugated upconversion nanoparticles nanocomplex was explored for application in near-infrared photodynamic ...the upconversion nanoparticle was covalently conjugated with the ...
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Optimization of Optical Excitation of Upconversion Nanoparticles for Rapid Microscopy and Deeper Tissue Imaging with Higher Quantum Yield
... Relatively low quantum yield (QY), time-consuming scanning and strong absorption of light in tissue are some of the issues present in the development of upconversion nanoparticles (UCNPs) for biomedical ...
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Upconversion nanoparticles conjugated with curcumin as a photosensitizer to inhibit methicillin-resistant <em>Staphylococcus aureus</em> in lung under near infrared light
... curcumin, upconversion nanoparticles conjugated with curcumin (UCNPs-curcumin) are designed to upconvert NIR to the excitation wavelength of ...stable nanoparticles whose average size was ...
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Targeted Delivery of Functionalized Upconversion Nanoparticles for Externally Triggered Photothermal/Photodynamic Therapies of Brain Glioblastoma
... lanthanide-doped upconversion nanoparticles (UCNPs), which can emit visible light upon 980 nm excitation, have been employed for transferring energy to organic photosensitizers through resonance energy ...
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In vivo Biocompatibility, Biodistribution and Therapeutic Efficiency of Titania Coated Upconversion Nanoparticles for Photodynamic Therapy of Solid Oral Cancers
... excitable upconversion nanoparticles (UCNs) loaded with suitable PSs have shown great potential in improving the penetration depth limitations of conventional ...These nanoparticles have the ability ...
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Sensing Using Rare-Earth-Doped Upconversion Nanoparticles
... doped upconversion nanoparticles (UCNPs) are promising for these endeavors due to their unique frequency converting capability; they emit efficient and sharp visible or ultraviolet (UV) luminescence via use ...
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Review Surface Functionalisation of Upconversion Nanoparticles with Different Moieties for Biomedical Applications
... doped upconversion nanoparticles (UCNPs) that can convert low-energy infrared photons into high-energy visible and ultraviolet photons, are becoming highly sought-after for advanced biomedical and ...
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Applications of Upconversion Nanoparticles in Molecular Imaging: A Review of Recent Advances and Future Opportunities
... of nanoparticles, upconversion nanoparticles that play a prominent role in optical MI cab be used as an MI ...probe. Upconversion phosphors are ceramic materials in which rare earth atoms are ...
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Near-infrared light-regulated cancer theranostic nanoplatform based on aggregation-induced emission luminogen encapsulated upconversion nanoparticles
... Upconversion nanoparticles (UCNPs), which can harness energy from NIR light and convert it to higher energy (e.g., visible or UV light) [32, 33], have emerged as a promising NIR light “transducer” to ...
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Efficacy Dependence of Photodynamic Therapy Mediated by Upconversion Nanoparticles: Subcellular Positioning and Irradiation Productivity
... of nanoparticles with different surface modifications was further investigated on tumor-bearing mouse model with n=6 for each ...UCNs-PpIX nanoparticles under irradiation of NIR laser, green light emitted ...
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Stem Cell Labeling using Polyethylenimine Conjugated (α-NaYbF4:Tm3+)/CaF2 Upconversion Nanoparticles
... The size and the morphology of the core and core/shell nanocrystals were characterized by trans- mission electron microscopy (TEM) using a JEM-2010 microscope at an acceleration voltage of 200 KV. The powder x-ray ...
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Novel Cs-Based Upconversion Nanoparticles as Dual-Modal CT and UCL Imaging Agents for Chemo-Photothermal Synergistic Therapy
... nm). Upconversion luminescence (UCL) spectra were measured with a Maya LIFS-980 fluorescence spectrometer by using an external 0-5 W 980 nm adjustable laser as the excitation ...
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Multicolor Upconversion Nanoparticles for Protein Conjugation
... its upconversion luminescence upon 980-nm cw laser excitation (Figure ...deactivated nanoparticles. Indeed, the upconversion luminescence of the col- lected cluster of streptavidin-modified magnetic ...
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Multifunctional Upconversion-Magnetic Hybrid Nanostructured Materials: Synthesis and Bioapplications
... Photon upconversion (UC) is capable of absorb- ing near infrared (NIR) radiation, and emission radia- tion of UV or visible ...transfer upconversion (ETU) [6], excited-state absorp- tion (ESA), and photon ...
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Sodium yttrium fluoride based upconversion nano phosphors for biosensing
... particles offer a wide range of technological applications in solid state lasers, three dimensional flate panel displays, energy efficient photovoltaic devices biomedical imaging and photodynamic therapy applications [3- ...
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Absolute upconversion quantum yields of blue- emitting LiYF4: Yb3+, Tm3+upconverting nanoparticles
... emission spectrum is strongly dominated by the 794 nm band. However, in phototherapeutic applications where only the blue thulium emission is used, for example in the activation of blue- light sensitive anticancer ...
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