Crystalline potassium boryl dithiolate and diselenolate.

Both the B-S and S-S bonds of 1,2,4,3,5-trithiadiborolane 1 could be cleaved by potassium graphite (KC) to give the first isolable boryl dithiolate DmpB(SK)3, whereas the reduction of 1,2,4-triselena-3,5-diborolane 2 with KC afforded the boryl diselenolate DmpB(SeK)(SeSeK) 4, showcasing the unprecedented structural authentication of ligand substituted diselenolate.

Preparation and Application of Nanostructured ZnO in Radiation Detection.

In order to adapt to the rapid development of high-speed imaging technology in recent years, it is very important to develop scintillators with an ultrafast time response. Because of its radiation-induced ultrafast decay time, ZnO has become an important material for radiation detection and dosimetry. According to different detection sources and application scenarios, ZnO is used in various radiation detectors in different structures, including nanoarrays and nanocomposites.

Spectrally Tunable Lead-Free Perovskite RbZrCl:Te for Information Encryption and X-ray Imaging.

A series of lead-free RbZrCl:Te ( = 0%, 0.1%, 0.5%, 1.

Isolable T-Shaped Planar Silyl Anion.

Silyl anions have garnered significant attention due to their synthetic abilities. However, previously reported silyl anions have been limited to either trigonal-pyramidal or trigonal-planar geometries, which confine them primarily as nucleophiles in substitution reactions. Herein, we report the isolation of the unprecedented T-shaped planar silyl anion salt 2 by employment of a geometrically constrained triamido pincer ligand.

FeO-lignin@Pd-NPs: A highly active, stable and broad-spectrum nanocomposite for water treatment.

In this work, we report an environmentally friendly renewable nanocomposite magnetic lignin-based palladium nanoparticles (FeO-lignin@Pd-NPs) for efficient wastewater treatment by decorating palladium nanoparticles without using any toxic reducing agents on the magnetic lignin abstracted from Poplar. The structure of composite FeO-lignin@Pd-NPs was unambiguously confirmed by XRD, SEM, TEM, EDS, FTIR, and Zeta potential. After systematic evaluation of the use and efficiency of the composite to remove toxic organic dyes in wastewater, some promising results were observed as follows: FeO-lignin@Pd-NPs exhibits highly active and efficient performance in the removal of toxic methylene blue (MB) (up to 99.

Derivatization of an Alkylideneborane with B═C Bond Cleavage.

We present the synthesis, structural characterization, and reactivity of alkylideneborane , supported by π-donating N-heterocyclic imino and σ-donating N-heterocyclic carbene (NHC) ligands. The incorporation of these ligands effectively weakens the B═C bond strength, leading to enhanced reactivity. Consequently, selective cleavage of the B═C bond can be achieved using pyridine--oxide, sulfur, and selenium, resulting in the formation of 1,3-dioxa-2,4-diboretane , thioxoborane , and selenoborane , respectively.

Heterogeneous Characteristics of the CD90 Progenitors in the Fibrocartilage of Different Joints.

Objective: This study aimed to isolate and compare the mesenchymal stem cell characteristics of CD90 cells from different fibrocartilage tissues in the temporomandibular joint (TMJ), the knee joint, and the intervertebral joint to further understand the similarities and differences of these 4 fibrocartilage tissues.

Methods: CD90 cells were isolated from TMJ disc, condylar cartilage, meniscus, and intervertebral disc by using magnetic-activated cell sorting. Cellular assays including 4.

Comparison of Class II open bite correction by temporomandibular joint prostheses or bimaxillary orthognathic surgery.

Introduction: The aim of this study was to evaluate the outcome of skeletal Class II and anterior open bite patients who received simultaneous Le fort I osteotomies with temporomandibular joint (TMJ) prostheses or bimaxillary orthognathic surgery.

Materials And Methods: Patients with condylar resorption (CR) were treated by TMJ prostheses and orthognathic surgery and divided into two groups. Cephalometric radiographs were obtained before and after operation to find out the surgical alteration by comparing measures at different time points.

Ultrafast Decay, Ultrahigh Spatial Resolution, and Stable γ-CuI Single Crystal Treated by Iodine Annealing and SiO Coating.

The demand for scintillators with ultrafast decay times, high spatial resolutions, and high stabilities is increasing due to the development of ultrafast hard X-ray detection, hard X-ray imaging, and high-energy physics facilities. γ-CuI single crystals, which exhibit ultrafast luminescence and high stopping power for hard X-rays, hold great promise for such applications. However, slow luminescence and poor stability caused by surface iodine deficiencies hinder the practical use of γ-CuI.

Divergent chondro/osteogenic transduction laws of fibrocartilage stem cell drive temporomandibular joint osteoarthritis in growing mice.

The anterior disc displacement (ADD) leads to temporomandibular joint osteoarthritis (TMJOA) and mandibular growth retardation in adolescents. To investigate the potential functional role of fibrocartilage stem cells (FCSCs) during the process, a surgical ADD-TMJOA mouse model was established. From 1 week after model generation, ADD mice exhibited aggravated mandibular growth retardation with osteoarthritis (OA)-like joint cartilage degeneration, manifesting with impaired chondrogenic differentiation and loss of subchondral bone homeostasis.

BN Analogue of Butadiyne: A Platform for Dinitrogen Release and Reduction.

Exploration of the metallomimetic chemistry of main group elements is of the utmost importance from the perspective of both fundamental research and potential applications. Here, we report the synthesis, bonding analysis, and reactivities of an isolable diiminoborane, Mes*B≡N─N≡BMes* (Mes* = 2,4,6-tri--butylphenyl) (), a BN analogue of butadiyne. This species is characterized by a conjugated B≡N─N≡B moiety, a structural feature that enables the controlled release of N when it is exposed to organic nitriles.

A crystalline T-shaped planar group 14 anion.

Isolable T-shaped planar pnictogen compounds RPn were reported more than three decades ago and have been attracting burgeoning interest in recent years; T-shaped planar group 14 anions, isoelectronic to RPn, however, are still unknown. Herein, we report the synthesis, full characterization, and reactivity of the first crystalline T-shaped planar group 14 anion 4 bearing a trinitrogen pincer ligand. DFT calculations indicate that the tricoordinate germanium center features both an unoccupied 4p orbital and two lone pairs of electrons.

Near-Infrared Light-Activated Mesoporous Polydopamine for Temporomandibular Joint Osteoarthritis Combined Photothermal-Chemo Therapy.

The treatments generally employed for temporomandibular joint osteoarthritis (TMJOA) involve physical therapy and chemotherapy, etc., whose therapeutic efficacies are impaired by the side effects and suboptimal stimulus responsiveness. Although the intra-articular drug delivery system (DDS) has shown effectiveness in addressing osteoarthritis, there is currently little reported research regarding the use of stimuli-responsive DDS in managing TMJOA.

A single-cell transcriptional atlas reveals resident progenitor cell niche functions in TMJ disc development and injury.

The biological characteristics of the temporomandibular joint disc involve complex cellular network in cell identity and extracellular matrix composition to modulate jaw function. The lack of a detailed characterization of the network severely limits the development of targeted therapies for temporomandibular joint-related diseases. Here we profiled single-cell transcriptomes of disc cells from mice at different postnatal stages, finding that the fibroblast population could be divided into chondrogenic and non-chondrogenic clusters.

Igf1 Regulates Fibrocartilage Stem Cells, Cartilage Growth, and Homeostasis in the Temporomandibular Joint of Mice.

Temporomandibular joint (TMJ) growth requires orchestrated interactions between various cell types. Recent studies revealed that fibrocartilage stem cells (FCSCs) in the TMJ cartilage play critical roles as cell resources for joint development and repair. However, the detailed molecular network that influences FCSC fate during TMJ cartilage development remains to be elucidated.

A Eu(iii) metal-organic framework based on anthracenyl and alkynyl conjugation as a fluorescence probe for the selective monitoring of Fe and TNP.

In this work, a luminescent metal-organic framework (Eu-MOF {[EuL(μ-OH)(HO)]·HO} ) was constructed by a solvothermal method with a linear organic ligand L (10-[(2-amino-4-carboxyl-phenyl)ethynyl]anthracene-9-carboxylic acid) based on anthracene and alkyne groups and using Eu as the metal center. The MOF exhibits a stable UiO-66 crystal structure, and a six-core cluster twelve-linked secondary structural unit was successfully synthesized using 2-fluorobenzoic acid as a modulator, forming a classical fcu topology. Moreover, it exhibits good chemical stability.

Regulatory role of human fibrocartilage stem cells in condyle osteochondroma.

Objective: Osteochondroma is a common benign skeletal disorder for which different molecular and histological features of long bones have been reported. We investigated cell-of-origin and molecular mechanisms of a rare condylar osteochondroma (CO).

Methods: Human fibrocartilage stem cells (hFCSCs) isolated from CO and normal condyle tissue were used for RNA sequencing, real-time PCR, Western Blotting, immunohistology, flowcytometry, as well as for chondrogenic differentiation, proliferation, and apoptosis detection assays.

Significant enhancement of scintillation performance by inducing oxygen vacancies in alkali metal ion (A = Li, Na, K)-incorporated (Lu, Sc)BO:Ce.

The incorporation of Sc can stabilize calcite-phase LuBO:Ce to grow large-sized single crystals but leads to the significant degradation of scintillation performance. In the present work, alkali metal ion (A = Li, Na, K)-incorporated (Lu, A, Sc)BO:Ce was rapidly synthesized in batches a high-throughput sol-gel method. The aliovalent substitution of Lu with A is balanced by the generation of oxygen vacancies by forming complexes.

Di-, tri- and tetraphosphine-substituted Fe/Se carbonyls: synthesis, characterization and electrochemical properties.

The active sites of [FeFe]-hydrogenase promoted by Fe/E (E = S, Se) clusters have attracted considerable interest due to their significance in understanding the interconversion of hydrogen with protons and electrons. As an extension of the study on Fe/Se clusters related to H-cluster model compounds of [FeFe]-hydrogenase, a series of tertiary phosphine substituted Fe/Se carbonyls were successfully prepared. The treatment of Fe(μ-SePh)(CO) (A) and excess PR resulted in the ferrous bis(selenolate) carbonyls Fe(SePh)(CO)(PR) (PR = PPhMe, 1; PMe, 2) in moderate yields.

Unraveling the reactivity of a cationic iminoborane: avenues to unusual boron cations.

A cationic terminal iminoborane [Mes*N[triple bond, length as m-dash]B ← IPrMe][AlBr] (3[AlBr]) (Mes* = 2,4,6-tri--butylphenyl and IPrMe = 1,3-diisopropyl-4,5-dimethylimidazol-2-ylidene) has been synthesized and characterized. The employment of an aryl group and N-heterocyclic carbene (NHC) ligand enables 3[AlBr] to exhibit both B-centered Lewis acidity and BN multiple bond reactivities, thus allowing for the construction of tri-coordinate boron cations 5-12. More importantly, initial reactions involving coordination, addition, and [2 + 3] cycloadditions have been observed for the cationic iminoborane, demonstrating the potential to build numerous organoboron species several synthetic routes.

Multiple Color Emission of Mechanoluminescence and Photoluminescence from SrZnSO: Bi for Multimode Anticounterfeiting.

Mechanoluminescence materials that emit light under mechanical stimulation have attracted widespread attention in sensing, anticounterfeiting, and imaging applications. In this study, a series of SrBiZnSO (0.001 ≤ ≤ 0.

Crystalline Neutral Diboron Analogues of Cyclopropanes.

Although Schleyer's computations in 1979 predicted that the ground state of the parent diborirane features a planar-tetracoordinate carbon atom (anti van't Hoff-Le Bel geometry), this work demonstrates that substitution of C coupled with N-heterocyclic carbene (NHC) coordination provides access to isolable diborirane derivatives 3 and 4 with van't Hoff-Le Bel geometry. Species 3 and 4 are isoelectronic with cyclopropane and the highly strained B C rings feature 2c-2e bent σ bonds. Consequently, the B-B and B-C bonds in 3 are cleaved in the presence of hydride, proton, and chalcogens.

Performance of a CsI(Tl) scintillation screen with a dual-periodic structure based on an oxidized silicon micropore array template in X-ray imaging.

To address the reduction in the detection efficiency of a structured CsI(Tl) scintillation screen when its structure period reaches the order of microns, a dual-periodic structure of the screen is proposed. The special feature of the dual structure is that each unit of the primary structure is divided equally into either four or nine square column-shaped scintillation sub-units. The sub-units are separated only by SiO layers to form a secondary structure.