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Expanding Mn loading capacity of BSA via mild non-thermal denaturing and cross-linking as a tool to maximize the relaxivity of water protons.
Int J Biol Macromol
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A.E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, 8 Arbuzov str., 420088 Kazan, Russian Federation.
Development of nanoparticles (NPs) serving as contrast enhancing agents in MRI requires a combination of high contrasting effect with the biosafety and hemocompatibility. This work demonstrates that bovine serum albumin (BSA) molecules bound to paramagnetic Mn ions are promising building blocks of such NPs. The desolvation-induced denaturation of BSA bound with Mn ions followed by the glutaraldehyde-facilitated cross-linking provides the uniform in size 102.
View Article and Find Full Text PDFThermally Induced Lattice-Defective Oxygen Breathing in Perovskite-Structure Stannates with High-Contrast Reversible Thermochromism.
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Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, College of Physics, Jilin Normal University, Changchun, 130103, China.
Inorganic thermochromic materials exhibit a tunable color gamut and a wide chromatic temperature range, indicating their potential for intelligent adaptive applications in thermal warning, temperature indication, thermal regulation, and interactive light-to-thermal energy conversion. However, most metal-oxide-based thermochromic materials show weak chromaticity adaption with the change of temperature, which needs further understanding of the microscopic principle to clarify the potential route to improve the contrast and identifiability for fabricating better thermochromic materials. Using perovskite-structure (AMO) alkaline earth metal stannate (BaSrSnO, 0.
View Article and Find Full Text PDFNanodiamond-Enhanced Magnetic Resonance Imaging.
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College of Engineering and School of Medicine, Koç University, Istanbul, 34450, Turkey.
Nanodiamonds (ND) hold great potential for diverse applications due to their biocompatibility, non-toxicity, and versatile functionalization. Direct visualization of ND by means of non-invasive imaging techniques will open new venues for labeling and tracking, offering unprecedented and unambiguous detection of labeled cells or nanodiamond-based drug carrier systems. The structural defects in diamonds, such as vacancies, can have paramagnetic properties and potentially act as contrast agents in magnetic resonance imaging (MRI).
View Article and Find Full Text PDFIntervalence charge transfer of Cr-Cr aggregation for NIR-II luminescence.
Light Sci Appl
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Beijing Municipal Key Laboratory of New Energy Materials and Technologies, School of Materials Sciences and Engineering, University of Science and Technology Beijing, Beijing, 100083, China.
The increasing demand for high-contrast biological imaging, non-destructive testing, and infrared night vision can be addressed by the development of high-performance NIR light-emitting materials. Unlike lanthanide (Ln) with sharp-line multiplets and isolated Cr with NIR-I emission, this study reports the first-ever NIR-II broadband luminescence based on the intervalence charge transfer (IVCT) of Cr-Cr aggregation in gallate magentoplumbite. In particular, LaMgGaO:0.
View Article and Find Full Text PDFTwo-photon excited luminescence of structural light enhancement in subwavelength SiO coating europium ion-doped paramagnetic gadolinium oxide nanoparticle and application for magnetic resonance imaging.
Discov Nano
June 2023
Department of Hepatobiliary Surgery, The Second Hospital of Shandong University, Jinan, Shandong, China.
Background: Oxides of lanthanide rare-earth elements show great potential in the fields of imaging and therapeutics due to their unique electrical, optical and magnetic properties. Oxides of lanthanide-based nanoparticles enable high-resolution imaging of biological tissues by magnetic resonance imaging (MRI), computed tomography (CT) imaging, and fluorescence imaging. In addition, they can be used to detect, treat, and regulate diseases by fine-tuning their structure and function.
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