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A disease of the liver or kidney, the main organs for vitamin D metabolism, could lead to abnormal levels of vitamin D. Here, the established UHPLC-MS/MS method was further used for determination of vitamin D levels in plasma samples of patients after liver or kidney transplantation. Thirty-three liver transplant recipients (LTRs) and 63 kidney transplant recipients (KTRs) were included in this study. Vitamin D deficiency or insufficiency is common in KTRs and LTRs, with a prevalence of more than 99%.The incorporation of amine functionality in the periphery of a synthetic cobaloxime core induces excellent photo-(TON 180) and electrocatalytic H2 production (TOF 4330 s-1) in aqueous solution. The primary amine group displays a superior influence on the catalysis compared to a secondary amine group with an analogous cobaloxime template.Cornea tissue is in high demand by tissue donation centres globally, and thus tissue engineering cornea, which is the main topic of corneal translational medicine, can serve as a limitless alternative to a donated human cornea tissue. Tissue engineering aims to produce solutions to the challenges associated with conventional cornea tissue, including transplantation and use of human amniotic membrane (HAM), which have issues with storage and immune rejection in patients. Accordingly, by carefully selecting biomaterials and fabrication methods to produce these therapeutic tissues, the demand for cornea tissue can be met, with an improved healing outcome for recipients with less associated harmful risks. In this review paper, we aim to present the recent advancements in the research and clinical applications of cornea tissue, applications including biomaterial selection, fabrication methods, scaffold structure, cellular response to these scaffolds, and future advancements of these techniques.The first example of a directed and regioselective arylation of polycyclic aromatic hydrocarbons (PAHs) by using a P[double bond, length as m-dash]O directing group is reported herein. The protocol uses a cheap copper catalyst, and results in a breakthrough meta-selective C-H functionalization of arylphosphine oxide compounds. Substrates with potential fluorescence properties, for example, pyrene and fluoranthene, were successfully arylated under the system, thus achieving an efficient modification of fluorescent molecules containing the P[double bond, length as m-dash]O functional group.Tetrahexahedral Pd-Ag alloy nanocrystals enclosed by high-index 520 facets with enhanced electrocatalytic activity have been synthesized using an Ag(i)-assisted growth protocol. The underpotential deposition of Ag plays dual roles in the formation of tetrahexahedral nanocrystals it not only stabilizes the high-index 520 facets, but also facilitates the formation of Pd-Ag alloys.Type I collagen, the most abundant and arguably the most complex molecule in the human body, is an ABB heterotrimer that self-assembles to form well-defined nanofibers. We herein for the first time report the construction of peptides that could simultaneously mimic the heterotrimer composition and the self-assembly features of Type I collagen.We report a biocatalytic, buoyancy-propelled metal-organic framework (MOF) nanomotor system with boosted removal efficiency for both inorganic heavy metal ions and organic per- and poly-fluoroalkyl substances (PFAS). With the motion-induced convection and increased mass transfer of the target pollutants, the nano system exhibits excellent contaminants remediation capacity in both fresh water and sea water environments.Syntheses of a new tripodal alane/tris(phosphine) ligand (AlP3) based on 2-(diisopropylphosphino)pyrrole, and AlP3-supported Ni complexes are reported. The central tris(pyrrolyl)aluminum moiety acts as a stronger Lewis acid towards Ni than other related group 13 element-centered tripodal ligands, as demonstrated by the binding of H2 to Ni and the ease of reduction.Bi-functionalizion of Wells-Dawson-type polyoxotungstates with exo-coordinated rare earth metal ions (M = DyIII, YIII) and phenylphosphonate induces the formation of a separate second lacunary site in the pre-functionalized [α2-P2W17O61(PhPO)2]6- precursor. The resulting [(H2O)xM2(α2,α2'-P2W16O60)(PhPO)22]8- dimer clusters are stable in solution, exhibit interesting electrochemical behavior, and, for the DyIII derivative, single ion-magnet characteristics.The golden section point in carbon catalysts for acetylene hydrochlorination has been determined. The surface sp2  sp3 ratio of two types of carbon catalysts, including nanodiamond- and graphite-oriented carbons, both have a volcano relationship with the catalytic performance for acetylene hydrochlorination, and the optimized ratios are both around 32-35%.Molecular rotors exhibit fluorescence enhancement in a confined environment and thus have been used extensively in biological imaging. However, many molecular rotors suffer from small Stokes shift and self-aggregation caused quenching. In this work, we have synthesised a series of red emissive molecular rotors based on cationic α-cyanostilbene. Profoundly enhanced aggregation-induced emission (AIE) properties and greatly widened Stokes shifts can be achieved by molecular engineering. With specificity to stain mitochondria, we demonstrate a simple approach to achieve cell uptake and retention upon tuning the pyridinium substituent of the dyes.Cannabis, also known as marijuana, is the most abused psychoactive drug worldwide. Several countries are legalizing the medicinal and recreational use of cannabis. 6-OHDA mw At the same time, stricter laws are being drafted for driving or working under the influence of the drug. Therefore, there is a significant need for rapid point-of-care testing of cannabis in biological fluids. Tetrahydrocannabinol (THC) is the parent psychoactive molecule present in cannabis and is used as a biomarker for cannabis detection. In this work, we developed an upconverting nanoparticle (UCNP) based lateral-flow immunoassay (LFIA) for the point-of-care quantitative detection of THC in oral fluids of drug-impaired personnel. UCNPs convert near-infrared excitation into visible emissions and have superior properties over other fluorescent nanoparticles. We employed a novel signal amplification technique for enhancing the sensitivity of LFIA. Contrary to standard LFIA biosensors, we integrated an additional enhancement pad (EP) between the conjugate pad (CP) and nitrocellulose membrane.
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