Articles with "multiphoton" as a keyword



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Multiphoton-Guided Creation of Complex Organ-Specific Microvasculature.

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Published in 2021 at "Advanced healthcare materials"

DOI: 10.1002/adhm.202100031

Abstract: Engineering functional human tissues in vitro is currently limited by difficulty replicating the small caliber, complex connectivity, cellularity, and 3D curvature of the native microvasculature. Multiphoton ablation has emerged as a promising technique for fabrication… read more here.

Keywords: creation; organ specific; perfusion; multiphoton ... See more keywords
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Fine Tuning of Multiphoton AIE Emission Behavior, Organelle Targeting, and Fluorescence Lifetime Imaging of Terpyridine Derivatives by Alkyl Chain Engineering.

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Published in 2022 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.1c05052

Abstract: In this work, a series of multiphoton terpyridine agents (ZA, ZA-Mex, and ZA-Hex) for fluorescence lifetime imaging microscopy (FLIM) are designed and synthesized. The results from photophysical property research reveal that ZA-Hex, as an N-hexylated… read more here.

Keywords: aie; fluorescence; multiphoton; lifetime imaging ... See more keywords
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Manipulating the Injected Energy Flux via Host-Sensitized Nanostructure for Improving Multiphoton Upconversion Luminescence of Tm3.

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Published in 2022 at "Nano letters"

DOI: 10.1021/acs.nanolett.2c01324

Abstract: Combating the concentration quenching effect by increasing the concentration of sensitized rare-earth ions in rational design upconversion nanostructure will make it easier to utilize injection energy flux and transfer it to emitters, resulting in improved… read more here.

Keywords: energy; upconversion; energy flux; upconversion luminescence ... See more keywords
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Giant multiphoton absorption in silicon

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Published in 2018 at "Nature Photonics"

DOI: 10.1038/s41566-018-0119-2

Abstract: With the availability of high-intensity terahertz free-electron lasers, surprisingly large multiphoton absorptions in a phosphorus atom doped in a silicon crystal have been obtained, providing the possibility of a hydrogen-like system in silicon photonics and… read more here.

Keywords: multiphoton absorption; absorption silicon; multiphoton; silicon ... See more keywords
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Coherent phonon dynamics in diamond detected via multiphoton absorption

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Published in 2019 at "Applied Physics Letters"

DOI: 10.1063/1.5119056

Abstract: Coupling between ultrafast lattice dynamics and electronic polarization becomes increasingly important for generating terahertz frequency combs, monitor atomic potential landscapes, or high-speed information processing. Here, we show that the carrier population excited by multiphoton (5-photon)… read more here.

Keywords: phonon dynamics; dynamics diamond; coherent phonon; geometry ... See more keywords
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Phase-imprinted multiphoton subradiant states

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Published in 2017 at "Physical Review A"

DOI: 10.1103/physreva.96.023814

Abstract: We propose to generate the multiphoton subradiant states and investigate their fluorescences in an array of two-level atoms. These multiphoton states are created initially from the timed-Dicke states. Then we can use either a Zeeman… read more here.

Keywords: phase imprinted; imprinted multiphoton; subradiant states; multiphoton ... See more keywords
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Hybrid M-Ary in Braided Single Stage Approach for Multiphoton Quantum Secure Direct Communication Protocol

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Published in 2019 at "IEEE Access"

DOI: 10.1109/access.2019.2898426

Abstract: Quantum secure direct communication (QSDC) is a branch of quantum cryptography which exploits laws of physics and was recently proposed for securing information transferred from sender to receiver without relying on computational complexity. Instead of… read more here.

Keywords: multiphoton; single stage; approach; braided single ... See more keywords
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Label-Free Identification of Early Gastrointestinal Neuroendocrine Tumors via Biomedical Multiphoton Microscopy and Automatic Image Analysis

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Published in 2020 at "IEEE Access"

DOI: 10.1109/access.2020.3000289

Abstract: At present, early diagnosis and treatment is the most effective way to treat early gastrointestinal neuroendocrine tumors. Therefore, we attempted to carry out multiphoton imaging of early neuroendocrine tumors because of its ability to label-free… read more here.

Keywords: multiphoton; microscopy; image; neuroendocrine tumors ... See more keywords
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Dermal fiber structures and photoaging

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Published in 2018 at "Journal of Biomedical Optics"

DOI: 10.1117/1.jbo.23.9.096501

Abstract: Abstract. The use of multiphoton imaging has become a standard technique to visualize the dermis fibers as it requires no specific staining. The density and organization of collagen and elastin are common markers of skin… read more here.

Keywords: fiber structures; multiphoton; structures photoaging; dermal fiber ... See more keywords
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Translation of two-photon microscopy to the clinic: multimodal multiphoton CARS tomography of in vivo human skin

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Published in 2020 at "Journal of Biomedical Optics"

DOI: 10.1117/1.jbo.25.1.014515

Abstract: Abstract. Two-photon microscopes have been successfully translated into clinical imaging tools to obtain high-resolution optical biopsies for in vivo histology. We report on clinical multiphoton coherent anti-Stokes Raman spectroscopy (CARS) tomography based on two tunable… read more here.

Keywords: multiphoton; microscopy; two photon; histology ... See more keywords
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Assessment of progressive alterations in collagen organization in the postoperative conjunctiva by multiphoton microscopy.

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Published in 2020 at "Biomedical optics express"

DOI: 10.1364/boe.403555

Abstract: Glaucoma filtration surgery (GFS) commonly fails due to excessive fibrosis. As collagen structure aberrations is implicated in adverse fibrotic progression, this study aims to uncover collagen organization alterations during postoperative scarring. Via quantitative second harmonic… read more here.

Keywords: multiphoton; collagen organization; microscopy; postoperative conjunctiva ... See more keywords