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A Dual-Channel Fluorescence Probe for Early Diagnosis and Treatment Monitoring of Acute Kidney Injury by Detecting HOCl and Cys with Different Fluorescence Signals.
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State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Gansu Lanzhou 730000, China.
The pathogenesis of acute kidney injury (AKI) is a multifaceted process involving various mechanisms, with oxidative stress playing a crucial role in its development. Hypochlorite (HOCl) and cysteine (Cys) are indicators of oxidative stress in AKI pathophysiology, directly reflecting the degree of oxidative stress and disease severity. However, their exact mechanism of action in AKI pathophysiology remains unknown.
View Article and Find Full Text PDFHydride Rebound: A Frustrated Lewis Pair (FLP)-Type Cooperative Mechanism for H2 Activation by a Potassium Aluminyl Compound.
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University of Oxford, Inorganic Chemistry Laboratory, UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND.
Combining experiment and theory, the mechanisms of H2 activation by the potassium-bridged aluminyl dimer K2[Al(NON)]2 (NON = 4,5-bis(2,6-diisopropylanilido)-2,7-di-tertbutyl-9,9-dimethylxanthene) and its monomeric K+-sequestered counterpart have been investigated. These systems show diverging reactivity towards the activation of dihydrogen, with the dimeric species undergoing formal oxidative addition of H2 at each Al centre under ambient conditions, and the monomer proving to be inert to dihydrogen addition. Noting that this K+ dependence is inconsistent with classical models of single-centre reactivity for carbene-like Al(I) species, we rationalize these observations instead by a cooperative frustrated Lewis pair (FLP)-type mechanism (for the dimer) in which the aluminium centre acts as the Lewis base and the K+ centres as Lewis acids.
View Article and Find Full Text PDFBiosynthesis of Zinc Oxide Nanoparticles Using Dried Leaves of Camellia sinensis: Methods to Characterize and Assess Their Effects on Mesenchymal Stem Cell Viability.
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Department of Food Quality Control and Analysis, Vocational School of Health Services, Istanbul Gelisim University, Avcılar, Istanbul, Turkey.
Stem cell nanotechnology (SCN) is an important scientific field to guide stem cell-based research of nanoparticles. Currently, nanoparticles (NPs) have a rich spectrum regarding the sources from which they are obtained (metallic, polymeric, etc.), the methods of obtaining them (physical, chemical, biological), and their shape, size, electrical charge, etc.
View Article and Find Full Text PDFUltrasmall α-MnO with Low Aspect Ratio: Applications to Electrochemical Multivalent-Ion Intercalation Hosts and Aerobic Oxidation Catalysts.
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Institute of Multidisciplinary Research for Advanced Materials (IMRAM), Tohoku University, Sendai, 980-8577, Japan.
Hollandite-type α-MnO exhibits exceptional promise in current industrial applications and in advancing next-generation green energy technologies, such as multivalent (Mg, Ca, and Zn) ion battery cathodes and aerobic oxidation catalysts. Considering the slow diffusion of multivalent cations within α-MnO tunnels and the catalytic activity at edge surfaces, ultrasmall α-MnO particles with a lower aspect ratio are expected to unlock the full potential. In this study, ultrasmall α-MnO (<10 nm) with a low aspect ratio (c/a ≈ 2) is synthesized using a newly developed alcohol solution process.
View Article and Find Full Text PDFPhytonanoparticles as novel drug carriers for enhanced osteogenesis and osseointegration.
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Oral Health Institute, Hamad Medical Corporation, Doha, Qatar.
Phytonanoparticles have emerged as a promising class of biomaterials for enhancing bone regeneration and osseointegration, offering unique advantages in biocompatibility, multifunctionality, and sustainability. This comprehensive review explores the synthesis, characterization, and applications of phytonanoparticles in bone tissue engineering. The green synthesis approach, utilizing plant extracts as reducing and stabilizing agents, yields nanoparticles with intrinsic bioactive properties that can synergistically promote osteogenesis.
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