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Showing 41-60 of 10,000 results
  1. A fluorescence labelling and switchable nanosensor based on nitrogen-doped graphene quantum dots

    In this study, we report a switchable fluorescence probe based on nitrogen-doped graphene quantum dots (N-GQDs) to detect the presence of...

    Feng **e, Ting Wang, ... Qinglei Guo in Bulletin of Materials Science
    Article 31 January 2022
  2. The use of computed tomography and X-ray fluorescence analysis in the research of printed book from the seventeenth century: book binding, tomographic reading of the text, dendrochronological dating, pigments analysis

    This paper presents the use of X-ray computed tomography and X-ray fluorescence in the analysis and expert research of the seventeenth century...

    Daniel Vavřík, Andrei Kazanskii, ... Tomáš Kyncl in Heritage Science
    Article Open access 13 March 2024
  3. Recognition of Yuan blue and white porcelain produced in **gdezhen based on graph anomaly detection combining portable X-ray fluorescence spectrometry

    The blue and white porcelain produced in **gdezhen during China’s Yuan Dynasty is an outstanding cultural heritage of ceramic art that has attracted...

    **wei Li, Yifei Yang, ... Qijiang Li in Heritage Science
    Article Open access 06 March 2024
  4. Magneto-luminescent nanocrystalline hydroxyapatite (Gd, Ho: HAp @Cu-NC) for prospective T1-T2 magnetic resonance imaging and fluorescence bioimaging

    Herein, we report luminomagnetic nanocrystalline hydroxyapatite doped with paramagnetic labels and surface modified with luminescent copper...

    J. S. Devi, Dancy Surendran, Sasidharanpillai S. Syamchand in Journal of Materials Research
    Article 15 February 2023
  5. Chromophoric cerium oxide nanoparticle-loaded sucking disk-type strip sensor for optical measurement of glucose in tear fluid

    Background

    Noninvasive monitoring of tear glucose levels can be convenient for patients to manage their diabetes mellitus. However, there are issues...

    Si** Park, Dong Yeon Nam, ... Dong Yun Lee in Biomaterials Research
    Article Open access 18 December 2023
  6. In vivo non-invasive confocal fluorescence imaging beyond 1,700 nm using superconducting nanowire single-photon detectors

    Light scattering by biological tissues sets a limit to the penetration depth of high-resolution optical microscopy imaging of live mammals in vivo....

    Feifei Wang, Fuqiang Ren, ... Hongjie Dai in Nature Nanotechnology
    Article 23 May 2022
  7. Chemometric Analysis of X-ray Fluorescence Spectra in the Study of the Element Distribution in Bone Tissue

    Abstract

    The results of chemometric analysis of the X-ray fluorescence data of biological samples are presented. Using the study of the elemental...

    E. Yu. Tereschenko, V. V. Volkov, ... S. V. Savelyev in Nanobiotechnology Reports
    Article 01 June 2022
  8. Tannin–Mn coordination polymer coated carbon quantum dots nanocomposite for fluorescence and magnetic resonance bimodal imaging

    The MR/FI bimodal imaging has attracted widely studied due to combining the advantages of MRI and FI can bridge gaps in sensitivity and depth between...

    Weibing Xu, Jia Zhang, ... Fang Nian in Journal of Materials Science: Materials in Medicine
    Article Open access 24 January 2022
  9. Nanoscale fluorescence imaging of biological ultrastructure via molecular anchoring and physical expansion

    Nanoscale imaging of biological samples can provide rich morphological and mechanistic information about biological functions and dysfunctions at the...

    Wei Wang, Yat Ho Chan, ... Ruixuan Gao in Nano Convergence
    Article Open access 09 July 2022
  10. Ratiometric fluorescence sensor based on carbon quantum dots for visual detection of hypochlorite ions

    A ratiometric fluorescence sensor (c-CDs/Ru(bpy) 3 2+ ) based on the selective recognition of chitosan carbon dots (c-CDs) on ClO and combine with...

    Yifei Lu, Sui Wang, ... Yufang Hu in Journal of Nanoparticle Research
    Article 03 January 2022
  11. Fluorescence-structural color photonic crystal security card based on ultraviolet-responsive core-interlayer-shell colloidal particles

    In this study, we report a kind of fluorescence-structural color photonic crystals (FSC-PCs) based on ultraviolet (UV)-responsive...

    Nanshu Li, Hanbing Zhang, ... Jie Wei in Journal of Materials Science
    Article 27 July 2022
  12. A Composite Catalytic Oxidation-fluorescence Sensing System for 2,4-dichlorophenol Analysis based on Fe(III)PcTs-BuOOH-CdTe QDs

    The active oxygen species in the catalytic oxidation system of Fe(III)PcTs-t-BuOOH were identified, and the mechanism of the catalytic oxidation of...

    Yilin Tong, Yu Zhang, ... Zhihong Zeng in Journal of Wuhan University of Technology-Mater. Sci. Ed.
    Article 19 December 2021
  13. AgInS2/ZnS quantum dots for noninvasive cervical cancer screening with intracellular pH sensing using fluorescence lifetime imaging microscopy

    Intracellular pH plays a critical role in biological functions, and abnormal pH values are related to various diseases. Here, we report on an...

    Wenhua Su, Dan Yang, ... Lan Mi in Nano Research
    Article 07 March 2022
  14. Poly-l-Lysine-functionalized fluorescent diamond particles: pH triggered fluorescence enhancement via surface charge modulation

    Abstract

    Recently, the interest in applying fluorescent diamond particles (FDPs) containing nitrogen-vacancy (NV) centers for enhancing the mechanical...

    Monika Janik, Maciej J. Głowacki, ... Robert Bogdanowicz in MRS Bulletin
    Article 13 July 2022
  15. X-ray Fluorescence Analysis of the Composition of the Alloy of Rare Figural Weights of the 5th Century with an Image of the Emperor on the Throne

    Abstract

    For the first time, the results of X-ray fluorescence analysis of the composition of the alloy of two similar weights of the 5th century are...

    T. N. Smekalova, D. V. Zhuravlev in Nanobiotechnology Reports
    Article 01 October 2023
  16. Fluorescence Sensing with Molecularly Imprinted Polymer-Capped Quantum Dots

    Procedures for the design of a fluorescence sensor based on molecularly imprinted polymer-capped quantum dots (MIP@QDs) together with the synthesis...
    Hanieh Montaseri, Heidi Abrahamse, Patricia B. C. Forbes in Molecularly Imprinted Polymers
    Protocol 2021
  17. Fluorescence emission, life time, thermal properties of trans-stilbene mixed diphenylacetylene scintillator crystal

    Diphenylacetylene (DPAC) is a promising organic scintillator material for fast neutron detection. Solubility measurement was carried with two...

    P. Purushothaman, N. Durairaj, ... S. Kalainathan in Journal of Materials Science: Materials in Electronics
    Article 12 March 2021
  18. Synchrotron Radiation Experiments

    Chemical analysis methods using synchrotron radiation are treated, as follows: (i) total reflection X-ray photoelectron spectroscopy (TRXPS), (ii)...
    Chapter 2023
  19. Development of organic dosimeters based on fluorescence of radiation reaction products of coumarin-3-carboxylic acid

    We developed organic materials that can be used as tissue-equivalent dosimeters. We focused on radiation-induced reactions of a water-soluble...

    Ritsuha Tanaka, Masanori Koshimizu, ... Keisuke Asai in Journal of Materials Science: Materials in Electronics
    Article 23 January 2022
  20. Thermally activated delayed fluorescence (TADF) organic molecules for efficient X-ray scintillation and imaging

    X-ray detection, which plays an important role in medical and industrial fields, usually relies on inorganic scintillators to convert X-rays to...

    Wenbo Ma, Yirong Su, ... Yang Michael Yang in Nature Materials
    Article 11 November 2021
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