Academic literature on the topic 'NIR-II biological window'

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Journal articles on the topic "NIR-II biological window"

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Zhu, Shoujun, Qinglai Yang, Alexander L. Antaris, et al. "Molecular imaging of biological systems with a clickable dye in the broad 800- to 1,700-nm near-infrared window." Proceedings of the National Academy of Sciences 114, no. 5 (2017): 962–67. http://dx.doi.org/10.1073/pnas.1617990114.

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Fluorescence imaging multiplicity of biological systems is an area of intense focus, currently limited to fluorescence channels in the visible and first near-infrared (NIR-I; ∼700–900 nm) spectral regions. The development of conjugatable fluorophores with longer wavelength emission is highly desired to afford more targeting channels, reduce background autofluorescence, and achieve deeper tissue imaging depths. We have developed NIR-II (1,000–1,700 nm) molecular imaging agents with a bright NIR-II fluorophore through high-efficiency click chemistry to specific molecular antibodies. Relying on b
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Zhou, Rui, Zheng Wei Wu, Zhan Hui Sun, and Xiao Fei Su. "Synthesis of Long Gold Nanorods as an Efficient Photothermal Agent in the Second Near-Infrared Window." Journal of Nano Research 40 (March 2016): 180–89. http://dx.doi.org/10.4028/www.scientific.net/jnanor.40.180.

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To date, intensive efforts have been devoted in the synthesis of various nanomaterials as photothermal agent in the first near-infrared (NIR) window (650-950 nm). Although the NIR-II window (1000-1350 nm) is recognized to offer more efficient tissue penetration and higher permissible exposure to excitation light, the corresponding photothermal agents have been scant. Here, we report a binary surfactant seeded growth method for high yield synthesis of long AuNRs (LAuNRs) as an efficient NIR-II photothermal agent. The as-synthesized LAuNRs with aspect ratio of 6.7 shows strong surface plasmon re
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Yu, Zhen-feng, Jun-peng Shi, Jin-lei Li, Peng-hui Li, and Hong-wu Zhang. "Luminescence enhancement of CaF2:Nd3+nanoparticles in the second near-infrared window forin vivoimaging through Y3+doping." Journal of Materials Chemistry B 6, no. 8 (2018): 1238–43. http://dx.doi.org/10.1039/c7tb03052e.

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Shi, Yifeng, Shiyi Peng, Zhongyu Huang, et al. "Gold-Nanorod-Assisted Live Cell Nuclear Imaging Based on Near-Infrared II Dark-Field Microscopy." Biology 12, no. 11 (2023): 1391. http://dx.doi.org/10.3390/biology12111391.

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Dark-field microscopy offers several advantages, including high image contrast, minimal cell damage, and the absence of photobleaching of nanoprobes, which make it highly advantageous for cell imaging. The NIR-II window has emerged as a prominent research focus in optical imaging in recent years, with its low autofluorescence background in biological samples and high imaging SBR. In this study, we initially compared dark-field imaging results of colorectal cancer cells in both visible and NIR-II wavelengths, confirming the superior performance of NIR-II imaging. Subsequently, we synthesized go
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Sakiyama, Makoto, Hiroshi Sugimoto, and Minoru Fujii. "Long-lived luminescence of colloidal silicon quantum dots for time-gated fluorescence imaging in the second near infrared window in biological tissue." Nanoscale 10, no. 29 (2018): 13902–7. http://dx.doi.org/10.1039/c8nr03571g.

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Ma, Dongling, and Ruiqi Yang. "(Invited) Multifunctional Nanohybrids for Biomedical Applications." ECS Meeting Abstracts MA2025-01, no. 60 (2025): 2901. https://doi.org/10.1149/ma2025-01602901mtgabs.

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Combination of different nanomaterials into a single architecture can lead to improved properties/performance or, even better, multifunctional nanoplatforms. In this talk, I will present some of our work on the rational design and realization of multifunctional nanohybrid materials for biomedical applications. Our research interest mainly consists in the combination of two functions: superparamagnetism and luminescence. A recent example is about a multifunctional NaGdF4:Nd3+@mSiO2 nanoplatform prepared by loading ultrasmall NaGdF4:Nd3+ nanoparticles into large-channel mesoporous SiO2 (mSiO2) n
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He, Shuqing, Jun Song, Junle Qu, and Zhen Cheng. "Crucial breakthrough of second near-infrared biological window fluorophores: design and synthesis toward multimodal imaging and theranostics." Chemical Society Reviews 47, no. 12 (2018): 4258–78. http://dx.doi.org/10.1039/c8cs00234g.

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Recent advances in the chemical design and synthesis of fluorophores in the second near-infrared biological window (NIR-II) for multimodal imaging and theranostics are summarized and highlighted in this review article.
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Ren, Feng, Tuanwei Li, Tingfeng Yao, Guangcun Chen, Chunyan Li, and Qiangbin Wang. "Near-Infrared-II Fluorophores for In Vivo Multichannel Biosensing." Chemosensors 11, no. 8 (2023): 433. http://dx.doi.org/10.3390/chemosensors11080433.

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The pathological process involves a range of intrinsic biochemical markers. The detection of multiple biological parameters is imperative for providing precise diagnostic information on diseases. In vivo multichannel fluorescence biosensing facilitates the acquisition of biochemical information at different levels, such as tissue, cellular, and molecular, with rapid feedback, high sensitivity, and high spatiotemporal resolution. Notably, fluorescence imaging in the near-infrared-II (NIR-II) window (950–1700 nm) promises deeper optical penetration depth and diminished interferential autofluores
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Dang, Xiangnan, Li Gu, Jifa Qi, et al. "Layer-by-layer assembled fluorescent probes in the second near-infrared window for systemic delivery and detection of ovarian cancer." Proceedings of the National Academy of Sciences 113, no. 19 (2016): 5179–84. http://dx.doi.org/10.1073/pnas.1521175113.

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Fluorescence imaging in the second near-infrared window (NIR-II, 1,000–1,700 nm) features deep tissue penetration, reduced tissue scattering, and diminishing tissue autofluorescence. Here, NIR-II fluorescent probes, including down-conversion nanoparticles, quantum dots, single-walled carbon nanotubes, and organic dyes, are constructed into biocompatible nanoparticles using the layer-by-layer (LbL) platform due to its modular and versatile nature. The LbL platform has previously been demonstrated to enable incorporation of diagnostic agents, drugs, and nucleic acids such as siRNA while providin
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Ji, Shengjiao, Yuying Du, Jiancai Leng, Yujin Zhang, and Wei Hu. "Planar-Twisted Molecular Engineering for Modulating the Fluorescence Brightness of NIR-II Fluorophores with a Donor–Acceptor–Donor Skeleton." International Journal of Molecular Sciences 25, no. 22 (2024): 12365. http://dx.doi.org/10.3390/ijms252212365.

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Organic molecular fluorophores have been extensively utilized for biological imaging in the visible and the first near-infrared windows. However, their applications in the second near-infrared (NIR-II) window remain constrained, primarily due to the insufficient fluorescence brightness. Herein, we employ a theoretical protocol combining the thermal vibration correlation function with the time-dependent density functional theory method to investigate the mechanism of the planar-twisted strategy for developing fluorophores with balanced NIR-II emission and fluorescence brightness. Based on a pla
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Book chapters on the topic "NIR-II biological window"

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"NIR emission in sol-gel glass-ceramic materials singly- and doubly-doped with RE3+ ions." In Book of Abstracts - RAD 2025 Conference. RAD Centre, Niš, Serbia, 2025. https://doi.org/10.21175/rad.abstr.book.2025.47.10.

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Due to the rapid development of telecommunication technologies, there is currently significant interest in materials exhibiting ultra-broadband near-infrared emission, which could be used as optical amplifiers. The optical properties of Nd3+ ions have been widely investigated considering their efficient emission in the NIR spectral range. Co-doping with rare-earth ions (RE3+) is one of several strategies to improve the luminescent performance of optical materials due to the possibility of energy transfers between them. Systems doubly-doped with Nd3+ and Pr3+ ions could be predisposed to be use
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Conference papers on the topic "NIR-II biological window"

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Dai, Hongjie. "Biological fluorescence/luminescence imaging in the 1000-1700 nm NIR-II/SWIR Window." In Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XIX, edited by Dror Fixler, Sebastian Wachsmann-Hogiu, and Ewa M. Goldys. SPIE, 2022. http://dx.doi.org/10.1117/12.2627981.

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