— This book analyzes and evaluates the growing field of light-emitting nanoprobes as contrast agents for in vivo imaging and sensing.It is a comprehensive resource that critically analyzes the state of the art in …
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— Near-infrared (NIR) irradiation has shown great potential for clinical light therapy as well as for cosmetic purposes 1,2,3 and successfully been applied to photorejuvenation, photoprotection, and ...
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— We have developed TiN nanoparticles (NPs) as a novel near-infrared-activated photothermal agent. The effect of nitridation temperature on the optical property and photothermal performance of the TiN NPs were investigated. The nanoparticles nitrided at 1000 °C presented a significant absorption along the whole biological spectral range …
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Near-infrared (NIR) light is well-suited for the optical imaging and wireless phototherapy of malignant diseases because of its deep tissue penetration, low autofluorescence, weak tissue scattering, and non-invasiveness. …
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Light in the near-infrared (NIR) spectral region is increasingly utilized in bioapplications, providing deeper penetration in biological tissues owing to the lower absorption and scattering in comparison with light in the visible range. Lanthanide-doped luminescent nanoparticles with excitation and/ …
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— Alkaline Phosphatase-Triggered Self-Assembly of Near-Infrared Nanoparticles for the Enhanced Photoacoustic Imaging of Tumors Nano Lett. 2018 Dec 12;18(12) :7749-7754. ... which self-assembled into the nanoparticles 1-NPs. The formation of 1-NPs induced a 6.4-fold enhancement of the 795 nm PA signal of 1P. In vivo tumor …
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— Extremely inefficient utilization of pesticides has prompted a study of low-cost, sustainable, and smart application systems. Herein, as a promising pesticide nanocarrier, hollow mesoporous organosilica nanoparticles (HMONs) were first synthesized by using inexpensive CaCO3 nanoparticles as the hollow templates. A redox/near-infrared light …
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1. Introduction. Persistent luminescence nanoparticles (PLNPs) can store energy and then achieve afterglow emission [1].PLNPs generally consist of the host, emission center, and trap [2], while the emission center achieves their characterized emission and the trap regulates the afterglow lifetime and intensity [3], [4].Thus, ions doped into the host are …
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— Herein, we develop a facile in vivo ligand exchange strategy to achieve renal-clearable activatable luminescent gold nanoparticles (AuNPs), which are independent of biomarkers for sensitive and long-time imaging of early kidney injury. Significantly activated emission in the second near-infrared region (∼1026 nm) is realized from the …
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— Development of second near-infrared (NIR-II) nanoparticles (NPs) with high biocompatibility, low toxicity, and high singlet oxygen quantum yield (ΦΔ) to prevent tumor recurrence is highly desirable in …
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— In vivo near-infrared (NIR) fluorescence imaging is an emerging biomedical imaging modality for use in both fundamental scientific research and clinical practice. Owing to advances in reducing ...
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— Near-infrared laser-controlled nitric oxide-releasing gold nanostar/hollow polydopamine Janus nanoparticles for synergistic elimination of methicillin-resistant Staphylococcus aureus and wound healing. Author links open overlay panel Zhuoying Liang a 1, ... Janus nanoparticles (JNPs) are a type of materials with asymmetric structure and ...
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— Here, an ultrasound (US) triggered near infrared-fluorescent dinuclear iridium (III) nanoparticle, NanoIr, is first reported to precisely and spatiotemporally inhibit tumor …
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— Enhancing Photodynamic Therapy through Resonance Energy Transfer Constructed Near-Infrared Photosensitized Nanoparticles. Ling Huang, Ling Huang. Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, Worcester, MA, 01605 USA ... the efficiency of existing PDT drug …
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Here we describe magnetic nanoparticle based MR contrast agents that have a near-infrared fluorescence (NIRF) that is activated by certain enzymes. The probes are prepared by conjugation of arginyl peptides to cross-linked iron oxide amine (amino-CLIO), either by a disulfide linkage or a thioether linker, followed by the attachment of the ...
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Near-infrared II (NIR-II, 1000–1700 nm) bioimaging has been considered as one of the ideal bioimaging techniques in recent years due to its deep tissue penetration and low tissue fluorescence scattering. Here, we design the highly biocompatible lanthanide-doped nanoparticles NaYF 4:Ce/Er@NaYbF 4:Er@NaYF 4:Nd-ZnPc/RB/mPEG-FA (RENPs …
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Near-Infrared Light-Driven Nanoparticles for Cancer Photoimmunotherapy by Synergizing Immune Cell Death and Epigenetic Regulation Small. 2024 May;20(21):e2309202. doi: …
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— The following study examines the feasibility of nanoshell-assisted photo-thermal therapy (NAPT). This technique takes advantage of the strong near infrared (NIR) absorption of nanoshells, a new class of gold nanoparticles with tunable optical absorptivities that can undergo passive extravasation from the abnormal tumor …
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— Among various types of nanomaterials, inorganic nanomaterials with strong absorption in the near-infrared (NIR) window can be employed as high-efficiency …
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— The near-infrared-II (NIR-II) window has shown great promise for in vivo imaging and therapy. Here, the authors integrate a homopolymer and thermo-sensitive …
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— Interestingly, the polymer nanoparticles containing a NIR emissive dye exhibited remarkable enhancement of emission encapsulated by the polymer amphiphilic pol … Encapsulation-Dependent Enhanced Emission of Near-Infrared Nanoparticles Using in vivo Three-Photon Fluorescence Imaging Front Bioeng Biotechnol. 2020 Sep …
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Phthalocyanine-aggregated Pluronic nanoparticles were constructed as a novel type of near-infrared (NIR) absorber for photothermal therapy. Tiny nanoparticles (~ 60 nm, FPc NPs) were prepared by aqueous dispersion of phthalocyanine-aggregated self-assembled nanodomains that were phase-separated from the melt mixture with Pluronic.
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— Afterglow imaging holds great potential for ultrasensitive biomedical imaging. As it detects photons after the cessation of real-time light excitation, autofluorescence can therefore be effectively eliminated. However, afterglow imaging is still in its infant stage due to the lack of afterglow agents with satisfactory lifetime, biocompatibility, and high …
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— Near infrared fluorescent peptide nanoparticles for enhancing esophageal cancer therapeutic efficacy. Zhen Fan 1,2,3,4,5 na1, Yan Chang 6 na1, Chaochu Cui 6,7,8 na1, Leming Sun 9, David H. Wang …
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— The demand for near-infrared (700–1,700 nm) materials in optical communications, laser sources and biological imaging applications has led to extensive research on lanthanide-doped nanoparticles ...
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— Enhanced near-infrared absorption of Cs 0.32 WO 3 nanoparticles for efficient interfacial solar steam generation. Author links open overlay panel Bo Yang a, Hui Quan a, Haoran Pei a, ... Near-infrared light has longer wavelengths than visible light and carries a significant amount of energy. However, traditional solar absorbers, such as …
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— Near-Infrared Light-Driven Nanoparticles for Cancer Photoimmunotherapy by Synergizing Immune Cell Death and Epigenetic Regulation. Huizhe Wang, Huizhe Wang. Department of Biomedical Engineering, School of Engineering, China Pharmaceutical University, Nanjing, 210009 China.
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— Development of second near-infrared (NIR-II) nanoparticles (NPs) with high biocompatibility, low toxicity, and high singlet oxygen quantum yield (ΦΔ) to prevent tumor recurrence is highly desirable in …
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— Near infrared (NIR)-emitting persistent luminescent nanoparticles (PLNPs) have advantages such as long afterglow, high photostability and deep tissue spectral penetration. A NIR-emitting inner filter effect (IFE) probe for arsenic(III) is described here. It is composed of polyethyleneimine-coated PLNPs and gold nanorods (AuNPs) coated …
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