Articles with "nir" as a keyword



PEGylation Regulates Self‐Assembled Small‐Molecule Dye–Based Probes from Single Molecule to Nanoparticle Size for Multifunctional NIR‐II Bioimaging

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Published in 2018 at "Advanced Healthcare Materials"

DOI: 10.1002/adhm.201800973

Abstract: To date, small-molecule dye-based probes have been at the forefront of research in biomedical imaging, especially in the second near-infrared (NIR-II) window (1.0-1.7 µm). However, how to precisely regulate the synthesized size of NIR-II organic… read more here.

Keywords: molecule; dye based; nir; size ... See more keywords

Rational Design of NIR‐II Emitting Conjugated Polymer Derived Nanoparticles for Image‐Guided Cancer Interventions

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Published in 2024 at "Advanced Healthcare Materials"

DOI: 10.1002/adhm.202401297

Abstract: Due to the reduced absorption, light scattering, and tissue autofluorescence in the NIR‐II (1000–1700 nm) region, significant efforts are underway to explore diverse material platforms for in vivo fluorescence imaging, particularly for cancer diagnostics and… read more here.

Keywords: cancer; nir; nir emitting; rational design ... See more keywords

3D NIR-II Molecular Imaging Distinguishes Targeted Organs with High-Performance NIR-II Bioconjugates.

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Published in 2018 at "Advanced materials"

DOI: 10.1002/adma.201705799

Abstract: Greatly reduced scattering in the second near-infrared (NIR-II) region (1000-1700 nm) opens up many new exciting avenues of bioimaging research, yet NIR-II fluorescence imaging is mostly implemented by using nontargeted fluorophores or wide-field imaging setups,… read more here.

Keywords: performance nir; nir; tissue; molecular imaging ... See more keywords

Achieving High Quantum Efficiency Broadband NIR Mg4Ta2O9:Cr3+ Phosphor Through Lithium‐Ion Compensation

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Published in 2023 at "Advanced Materials"

DOI: 10.1002/adma.202300124

Abstract: Ultra‐efficient broadband near‐infrared (NIR) phosphor‐converted light‐emitting diodes (pc‐LEDs) are urgently needed to improve the detection sensitivity and spatial resolution of current smart NIR spectroscopy‐based techniques. Nonetheless, the performance of NIR pc‐LED has severely limited owing… read more here.

Keywords: phosphor; cr3; broadband; nir ... See more keywords

Atto‐Scale Noise Near‐Infrared Organic Photodetectors Enabled by Controlling Interfacial Energetic Offset through Enhanced Anchoring Ability

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Published in 2024 at "Advanced Materials"

DOI: 10.1002/adma.202403647

Abstract: The near‐infrared (NIR) sensor technology is crucial for various applications such as autonomous driving and biometric tracking. Silicon photodetectors (SiPDs) are widely used in NIR applications; however, their scalability is limited by their crystalline properties.… read more here.

Keywords: nir; atto scale; anchoring ability; organic photodetectors ... See more keywords

A New Generation of NIR‐II Probes: Lanthanide‐Based Nanocrystals for Bioimaging and Biosensing

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Published in 2019 at "Advanced Optical Materials"

DOI: 10.1002/adom.201801417

Abstract: Recently, fluorescence imaging has been extensively studied and used in life sciences and medical research due to its fast feedback, high sensitivity, and high spatiotemporal resolution.[1–4] In addition, it does not require hazard ionizing radiation,… read more here.

Keywords: new generation; nir; generation nir; penetration depth ... See more keywords

An Ultraviolet–Visible and Near‐Infrared‐Responded Broadband NIR Phosphor and Its NIR Spectroscopy Application

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Published in 2020 at "Advanced Optical Materials"

DOI: 10.1002/adom.201902003

Abstract: High‐radiance near‐infrared (NIR) phosphor‐converted light‐emitting diodes (pc‐LEDs) are demanded for wearable biosensing devices and the properties of these pc‐LEDs are highly dependent on the performance of the NIR phosphor. An ultraviolet–visible and NIR‐responded broadband NIR… read more here.

Keywords: nir; spectroscopy; nir phosphor; near infrared ... See more keywords

High‐Power Broadband NIR LEDs Enabled by Highly Efficient Blue‐to‐NIR Conversion

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Published in 2021 at "Advanced Optical Materials"

DOI: 10.1002/adom.202001660

Abstract: Phosphor‐converted light‐emitting diodes (pc‐LEDs) with broadband near‐infrared (NIR) emission have emerged as compact light sources for portable NIR spectroscopy. However, the associated broadband NIR phosphors suffer from low quantum efficiency (QE) and severe thermal quenching.… read more here.

Keywords: nir; nir emission; power; broadband nir ... See more keywords

Depth‐Resolved Localization Microangiography in the NIR‐II Window

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Published in 2022 at "Advanced Science"

DOI: 10.1002/advs.202204782

Abstract: Detailed characterization of microvascular alterations requires high‐resolution 3D imaging methods capable of providing both morphological and functional information. Existing optical microscopy tools are routinely used for microangiography, yet offer suboptimal trade‐offs between the achievable field… read more here.

Keywords: localization; depth; microangiography; resolution ... See more keywords

Engineering Gadolinium-Integrated Tellurium Nanorods for Theory-Oriented Photonic Hyperthermia in the NIR-II Biowindow.

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Published in 2020 at "Small"

DOI: 10.1002/smll.202003508

Abstract: Near-infrared (NIR) light-triggered hyperthermia has exhibited promising prospects in oncology therapy due to the unique merits including minimal invasiveness, monitorable, excellent therapeutic effect, and negligible side effects. Especially, the second NIR biowindow (NIR-II, 1000-1700 nm)… read more here.

Keywords: hyperthermia; gadolinium integrated; photonic hyperthermia; nir ... See more keywords

A "Dual-Source, Dual-Activation" Strategy for an NIR-II Window Theranostic Nanosystem Enabling Optimal Photothermal-Ion Combination Therapy.

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Published in 2022 at "Small"

DOI: 10.1002/smll.202201179

Abstract: The activatable imaging technique in the second near-infrared window (NIR-II) utilizes the stimulation of cancer-associated biomarkers for specific imaging to guide precise NIR-II photothermal therapy. However, most activatable nanoprobes with single-source stimulation are insufficient in… read more here.

Keywords: dual source; therapy; source; nir ... See more keywords