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Advanced Search Results For "X-ray fluorescence"

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 "X-ray fluorescence"
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Synthesis and biological evaluation of quinolone derivatives as transthyretin amyloidogenesis inhibitors and fluorescence sensors.

Publication Type: Academic Journal

Source(s): Bioorganic & medicinal chemistry [Bioorg Med Chem] 2022 Jan 01; Vol. 53, pp. 116550. Date of Electronic Publication: 2021 Dec 04.

Abstract: Under certain conditions, numerous soluble proteins possess an inherent tendency to convert into insoluble amyloid aggregates, which are associated with several sporadic and genetic human diseases. Transthyretin (TTR) is one of the more than 30 human a...

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NIR-II-Excitable Dye-Loaded Nanoemulsions for Two-Photon Microscopy Imaging of Capillary Blood Vessels in the Entire Hippocampal CA1 Region of Living Mice.

Publication Type: Academic Journal

Source(s): ACS applied materials & interfaces [ACS Appl Mater Interfaces] 2022 Sep 14; Vol. 14 (36), pp. 40481-40490. Date of Electronic Publication: 2022 Sep 05.

Abstract: For in vivo two-photon fluorescence microscopy (2PM) imaging, the development of techniques that can improve the observable depth and temporal resolution is an important challenge to address biological and biomedical concerns such as vascular dynamics ...

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Using micro-synchrotron radiation x-ray fluorescence (µ-SRXRF) for trace metal imaging in the development of MRI contrast agents for prostate cancer imaging.

Publication Type: Academic Journal

Source(s): Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS) [J Trace Elem Med Biol] 2022 Dec; Vol. 74, pp. 127054. Date of Electronic Publication: 2022 Aug 03.

Abstract: Background: Contrast agents (CA) are administered in magnetic resonance imaging (MRI) clinical exams to measure tissue perfusion, enhance image contrast between adjacent tissues, or provide additional biochemical information in molecular MRI. The effic...

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Synchrotron XFM tomography for elucidating metals and metalloids in hyperaccumulator plants.

Publication Type: Academic Journal

Source(s): Metallomics : integrated biometal science [Metallomics] 2022 Nov 23; Vol. 14 (11).

Abstract: Visualizing the endogenous distribution of elements within plant organs affords key insights in the regulation of trace elements in plants. Hyperaccumulators have extreme metal(loid) concentrations in their tissues, which make them useful models for st...

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ROI-Finder: machine learning to guide region-of-interest scanning for X-ray fluorescence microscopy.

Publication Type: Academic Journal

Source(s): Journal of synchrotron radiation [J Synchrotron Radiat] 2022 Nov 01; Vol. 29 (Pt 6), pp. 1495-1503. Date of Electronic Publication: 2022 Oct 25.

Abstract: The microscopy research at the Bionanoprobe (currently at beamline 9-ID and later 2-ID after APS-U) of Argonne National Laboratory focuses on applying synchrotron X-ray fluorescence (XRF) techniques to obtain trace elemental mappings of cryogenic biolo...

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Reconstruction of 3D topographic landscape in soft X-ray fluorescence microscopy through an inverse X-ray-tracing approach based on multiple detectors.

Publication Type: Academic Journal

Source(s): Scientific reports [Sci Rep] 2022 Nov 22; Vol. 12 (1), pp. 20145. Date of Electronic Publication: 2022 Nov 22.

Abstract: The study of X-ray fluorescence (XRF) emission spectra is a powerful technique used in applications that range from biology to cultural heritage. Key objectives of this technique include identification and quantification of elemental traces composing t...

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Diagnosing trace metals contamination in ageing stormwater constructed wetlands by portable X-ray Fluorescence Analyzer (pXRF).

Publication Type: Academic Journal

Source(s): The Science of the total environment [Sci Total Environ] 2022 Oct 20; Vol. 844, pp. 157097. Date of Electronic Publication: 2022 Jun 30.

Abstract: In the context of stormwater management in urban areas, more knowledge is needed about sustainable urban drainage systems (SUDS)' long-term performance. This article reports robust calibration of a portable X-ray Fluorescence Analyzer (pXRF) for a purp...

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Fluorescence in situ hybridization analysis of chromosomal aberrations in mouse splenocytes at one- and two-months after total body exposure to iron-56 (Fe) ion particles or X-rays.

Publication Type: Academic Journal

Source(s): Mutation research. Genetic toxicology and environmental mutagenesis [Mutat Res Genet Toxicol Environ Mutagen] 2022 Oct; Vol. 882, pp. 503548. Date of Electronic Publication: 2022 Sep 12.

Abstract: High atomic number and energy (HZE) particles such as iron-56 (Fe) ions are a major contributor to health risks in long-term manned space exploration. The aim of this study is to understand radiation-induced differential genotoxic effects between HZE p...

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Insights into the Effect of Aggregate Sizes on the Soil Radiation Interaction Properties Based on X-ray Fluorescence.

Publication Type: Academic Journal

Source(s): International journal of environmental research and public health [Int J Environ Res Public Health] 2022 Nov 08; Vol. 19 (22). Date of Electronic Publication: 2022 Nov 08.

Authors:

Abstract: Soils subjected to disaggregation can break into aggregates of different sizes composed of sand, clay, and silt particles. Each aggregate contains different oxides, which can vary according to the aggregate size and influence its properties, such as th...

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Molecular spectroscopic and molecular simulation studies on the interaction of oral contraceptive drug Ormeloxifene with CT-DNA.

Publication Type: Academic Journal

Source(s): Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy [Spectrochim Acta A Mol Biomol Spectrosc] 2022 Oct 05; Vol. 278, pp. 121351. Date of Electronic Publication: 2022 May 06.

Abstract: The interaction between oral contraceptive drug Ormeloxifene (ORM) and calf thymus DNA (CT-DNA) was studied using UV-Vis, fluorescence, circular dichroism (CD) and 1 H NMR spectral techniques under physiological buffer (pH 7.4). Competitive binding ass...

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