Articles with "infrared nir" as a keyword



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Near‐Infrared (NIR) Organic Light‐Emitting Diodes (OLEDs): Challenges and Opportunities

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Published in 2019 at "Advanced Functional Materials"

DOI: 10.1002/adfm.201807623

Abstract: The rapid development of the science and technology of organic semiconductors has already led to mass application of organic light‐emitting diodes (OLEDs) in television monitors of outstanding quality as well as in a large variety… read more here.

Keywords: organic light; infrared nir; diodes oleds; light emitting ... See more keywords
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A Deep-Red to Near Infrared (NIR) Fluorescent Probe Based on a Sulfur-Modified Rhodamine Derivative with Two Spirolactone Rings.

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Published in 2020 at "ChemPlusChem"

DOI: 10.1002/cplu.202000384

Abstract: We report the synthesis, characterization, and photophysical and ion-binding properties of deep-red to near-infrared (NIR) fluorescent rhodamine derivatives, bearing two spirolactone rings and substitution of the oxygen atoms in the xanthene ring with sulfur atoms… read more here.

Keywords: red near; infrared nir; nir fluorescent; near infrared ... See more keywords
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A Performance Comparison of Low-Cost Near-Infrared (NIR) Spectrometers to a Conventional Laboratory Spectrometer for Rapid Biomass Compositional Analysis

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Published in 2020 at "BioEnergy Research"

DOI: 10.1007/s12155-020-10135-6

Abstract: The performance of a conventional laboratory near-infrared (NIR) spectrometer and two NIR spectrometer prototypes (a Texas Instruments NIRSCAN Nano evaluation model (EVM) and an InnoSpectra NIR-M-R2 spectrometer) are compared by collecting reflectance spectra of 270… read more here.

Keywords: infrared nir; biomass; near infrared; conventional laboratory ... See more keywords
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Recent progress in development and applications of second near-infrared (NIR-II) nanoprobes.

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Published in 2021 at "Archives of pharmacal research"

DOI: 10.1007/s12272-021-01313-x

Abstract: Optical probes for near-infrared (NIR) light have clear advantages over UV/VIS-based optical probes, such as their low levels of interfering auto-fluorescence and high tissue penetration. The second NIR (NIR-II) window (1000-1350 nm) offers better light penetration,… read more here.

Keywords: infrared nir; near infrared; nir; progress development ... See more keywords
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Chemometrics in tandem with near infrared (NIR) hyperspectral imaging and Fourier transform mid infrared (FT-MIR) microspectroscopy for variety identification and cooking loss determination of sweet potato

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Published in 2019 at "Biosystems Engineering"

DOI: 10.1016/j.biosystemseng.2019.01.005

Abstract: Near infrared (NIR) hyperspectral imaging and Fourier transform mid infrared (FT-MIR) microspectroscopy were explored in the current study to investigate how constituent elements of sweet potato change during cooking, and in the meantime, to identify… read more here.

Keywords: hyperspectral imaging; near infrared; model; sweet potato ... See more keywords
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Reduced graphene oxide (rGO) hybridized hydrogel as a near-infrared (NIR)/pH dual-responsive platform for combined chemo-photothermal therapy.

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Published in 2019 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2018.10.050

Abstract: For personalized cancer treatment, developing smart biomaterials with multiple biological functions is indispensable in nanomedicine fields. In this work, we developed a highly efficient near-infrared- (NIR-) and pH-responsive carboxymethyl chitosan-functionalized reduced graphene oxide/aldehyde functionalized poly… read more here.

Keywords: infrared nir; hydrogel; rgo; near infrared ... See more keywords
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Efficient and low-efficiency-roll-off near-infrared (NIR) polymer light-emitting diodes (PLEDs) based on an asymmetric binuclear iridium(III)-complex

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Published in 2019 at "Journal of Luminescence"

DOI: 10.1016/j.jlumin.2019.02.045

Abstract: Abstract Through the replacement of the β-diketonate Hbtfa (Hbtfa=4,4,4-trifluoro-3-hydroxy-1-phenylbutanone) with the bis-β-diketonate ligand H2btp (H2btp=1,3-bis(4,4,4-trifluoro-1,3-dioxobutyl)benzene), structure converts from mononuclear [Ir(iqbt)2(btfa)] (1) (Hiqbt=1-(benzo[b]-thiophen-2-yl)-isoquinoline) to asymmetric dinuclear [(iqbt)2Ir-(btp)-Ir(iqbt)2] (2) framework toward larger molecule conjugation. Upon a significant… read more here.

Keywords: nir polymer; near infrared; light emitting; polymer light ... See more keywords
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Heat Treatment Effects for Controlling Dye Molecular States in the Hydrophobic Core of Over-1000 nm Near-Infrared (NIR-II) Fluorescent Micellar Nanoparticles

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Published in 2022 at "ACS Omega"

DOI: 10.1021/acsomega.1c05771

Abstract: Organic molecules that emit near-infrared (NIR) fluorescence at wavelengths above 1000 nm, also known as the second NIR (NIR-II) biological window, are expected to be applied to optical in vivo imaging of deep tissues. The… read more here.

Keywords: near infrared; fluorescent; heat treatment; dye ... See more keywords
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Near-infrared (NIR) fluorescence-emitting small organic molecules for cancer imaging and therapy.

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Published in 2022 at "Chemical Society reviews"

DOI: 10.1039/d2cs00722c

Abstract: Near-infrared (NIR) fluorophores have unique features that endow them with several advantages over conventional shorter wavelength emitting dyes. As a result, they have been widely utilized as fluorescence and photoacoustic imaging agents, as well as… read more here.

Keywords: near infrared; fluorescence emitting; organic molecules; infrared nir ... See more keywords

Boron complexes of π-extended nitroxide ligands exhibiting three-state redox processes and near-infrared-II (NIR-II) absorption properties.

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Published in 2022 at "Dalton transactions"

DOI: 10.1039/d2dt02545k

Abstract: Persistent radicals have attracted increasing attention owing to their fascinating properties, including multi-step redox and long-wavelength absorption characteristics. In this study, boron complexes with π-extended nitroxide ligands were synthesised via Buchwald-Hartwig amination reactions of the… read more here.

Keywords: nitroxide ligands; near infrared; boron complexes; complexes extended ... See more keywords
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Identification Performance of Different Types of Handheld Near-Infrared (NIR) Spectrometers for the Recycling of Polymer Commodities

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Published in 2018 at "Applied Spectroscopy"

DOI: 10.1177/0003702818777260

Abstract: For sustainable utilization of raw materials and environmental protection, the recycling of the most common polymers—polyethylene (PE), polypropylene (PP), polyethylene terephthalate (PET), polyvinyl chloride (PVC), and polystyrene (PS)—is an extremely important issue. In the present… read more here.

Keywords: infrared nir; near infrared; spectra measured; polymer ... See more keywords