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Easy and Fast Detection of Hypochlorite by a Bithiophene-Based Fluorescent Turn-on Sensor and its Applications to Test Strips, Real Water Samples, and Smartphone-Assisted Platform.
J Fluoresc
January 2025
Department of Fine Chemistry, Seoul National University of Science and Technology, Seoul, 01811, Korea.
We report a bithiophene-based fluorescence probe BDT (2,2'-(((1 E, 1'E)-[2,2'-bithiophene]-5,5'-diylbis(methaneylylidene))bis(azaneylylidene))bis(4-(tert-butyl)phenol)) for recognizing ClO. BDT selectively responded to ClO, leading to a blue fluorescence enhancement in a mixture of DMF/HEPES buffer (9:1, v/v). Importantly, BDT showed an ultrafast response (within 1 s) to ClO among the fluorescent turn-on chemosensors based on bithiophene.
View Article and Find Full Text PDFSpin Glass State and Griffiths Phase in van der Waals Ferromagnetic Material FeGeTe.
Nanomaterials (Basel)
December 2024
School of Physics and Information Technology, Shaanxi Normal University, Xi'an 710119, China.
The discovery of two-dimensional (2D) van der Waals ferromagnetic materials opens up new avenues for making devices with high information storage density, ultra-fast response, high integration, and low power consumption. FeGeTe has attracted much attention because of its ferromagnetic transition temperature near room temperature. However, the investigation of its phase transition is rare until now.
View Article and Find Full Text PDFUltrafast MRI for Pediatric Brain Assessment in Routine Clinical Practice.
Korean J Radiol
January 2025
Department of Radiology, Seoul National University College of Medicine, Seoul, Republic of Korea.
Objective: To assess the feasibility of ultrafast brain magnetic resonance imaging (MRI) in pediatric patients.
Materials And Methods: We retrospectively reviewed 194 pediatric patients aged 0 to 19 years (median 10.2 years) who underwent both ultrafast and conventional brain MRI between May 2019 and August 2020.
Clinical Efficacy of Ultrafast Dynamic Contrast-Enhanced MRI Using Compressed Sensing in Distinguishing Benign and Malignant Soft-Tissue Tumors.
Korean J Radiol
January 2025
Research Scientist, AIRS Medical Inc., Seoul, Republic of Korea.
Objective: To evaluate the clinical efficacy of ultrafast dynamic contrast-enhanced (DCE)-MRI using a compressed sensing (CS) technique for differentiating benign and malignant soft-tissue tumors (STTs) and to evaluate the factors related to the grading of malignant STTs.
Materials And Methods: A total of 165 patients (96 male; mean age, 61 years), comprising 111 with malignant STTs and 54 with benign STTs according to the 2020 WHO classification, underwent DCE-MRI with CS between June 2018 and June 2023. The clinical, qualitative, and quantitative parameters associated with conventional MRI were also obtained.
Computational microscopy with coherent diffractive imaging and ptychography.
Nature
January 2025
Department of Physics and Astronomy, University of California, Los Angeles, Los Angeles, CA, USA.
Microscopy and crystallography are two essential experimental methodologies for advancing modern science. They complement one another, with microscopy typically relying on lenses to image the local structures of samples, and crystallography using diffraction to determine the global atomic structure of crystals. Over the past two decades, computational microscopy, encompassing coherent diffractive imaging (CDI) and ptychography, has advanced rapidly, unifying microscopy and crystallography to overcome their limitations.
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