Ultrafast synthesis and luminescence properties of rare earth orthoniobates RENbO(RE = La, Eu, Gd, Yb, Lu).

Rare earth orthoniobates (RENbO) are one kind of important functional materials due to its applications in solid-state phosphors, thermal barrier coatings, and microwave dielectric ceramics. The synthesis of rare earth niobates often needs high reaction temperatures (1300 °C-1700 °C) and long processing times (from hours to tens of hours) in solid-state reactions, which can increase the study time of the relationship between structure and properties. In this work, we used ultrafast high-temperature sintering method to synthesize RENbO(RE = La, Eu, Gd, Yb, Lu), and found specific structure and properties in these materials obtained with specific synthetic techniques.

Crystallization of amorphous anodized TiO nanotube arrays.

Anodized TiO nanotube arrays (TNTAs) prepared by anodization have garnered widespread attention due to their unique structure and properties. In this study, we prepared TNTAs of varying lengths by controlling the anodization time. Among them, the nanotubes anodized for 2 h have an inner diameter of approximately 92 nm and a wall thickness of approximately 12 nm.

Polymorphs of NbO Compound and Their Electrical Energy Storage Applications.

Niobium pentoxide (NbO), as an important dielectric and semiconductor material, has numerous crystal polymorphs, higher chemical stability than water and oxygen, and a higher melt point than most metal oxides. NbO materials have been extensively studied in electrochemistry, lithium batteries, catalysts, ionic liquid gating, and microelectronics. NbO polymorphs provide a model system for studying structure-property relationships.

Omni-functional crystal: Advanced methods to characterize the composition and homogeneity of lithium niobate melts and crystals.

Lithium niobate (LN) is a type of multifunctional dielectric and ferroelectric crystal that is widely used in acoustic, optical, and optoelectronic devices. The performance of pure and doped LN strongly depends on various factors, including its composition, microstructure, defects, domain, and homogeneity. The structure and composition homogeneity can affect both the chemical and physical properties of LN crystals, including their density, Curie temperature, refractive index, and piezoelectric and mechanical properties.

Origin of oxygen-redox and transition metals dissolution in Ni-rich LiNiCoMnO cathode.

Recently, Ni-rich LiNiCoMnO (x ≥ 0.8) draw significant research attention as cathode materials in lithium-ion batteries due to their superiority in energy density. However, the oxygen release and the transition metals (TMs) dissolution during the (dis)charging process lead to serious safety issues and capacity loss, which highly prevent its application.

Targeting 4-1BB for tumor immunotherapy from bench to bedside.

Immune dysfunction has been proposed as a factor that may contribute to disease progression. Emerging evidence suggests that immunotherapy aims to abolish cancer progression by modulating the balance of the tumor microenvironment. 4-1BB (also known as CD137 and TNFRS9), a member of tumor necrosis factor receptor superfamily, has been validated as an extremely attractive and promising target for immunotherapy due to the upregulated expression in the tumor environment and its involvement in tumor progression.

The protective effects of NE 52-QQ57 against interleukin-33-induced inflammatory response in activated synovial mast cells.

Cytokines-mediated immunity is essential for the pathological development of rheumatoid arthritis (RA). Inhibition of signaling has suggested a potential remedial approach to RA. G protein-coupled receptor 4 (GPR4) has been proven to possess a broad range of physiological functions, but its function in synovial mast cells and RA is less reported.

Smart Materials Prediction: Applying Machine Learning to Lithium Solid-State Electrolyte.

Traditionally, the discovery of new materials has often depended on scholars' computational and experimental experience. The traditional trial-and-error methods require many resources and computing time. Due to new materials' properties becoming more complex, it is difficult to predict and identify new materials only by general knowledge and experience.

Perspective on Micro-Supercapacitors.

The rapid development of portable, wearable, and implantable electronic devices greatly stimulated the urgent demand for modern society for multifunctional and miniaturized electrochemical energy storage devices and their integrated microsystems. This article reviews material design and manufacturing technology in different micro-supercapacitors (MSCs) along with devices integrate to achieve the targets of their various applications in recent years. Finally, We also critically prospect the future development directions and challenges of MSCs.

State of the Art in Crystallization of LiNbO and Their Applications.

Lithium niobate (LiNbO) crystals are important dielectric and ferroelectric materials, which are widely used in acoustics, optic, and optoelectrical devices. The physical and chemical properties of LiNbO are dependent on microstructures, defects, compositions, and dimensions. In this review, we first discussed the crystal and defect structures of LiNbO, then the crystallization of LiNbO single crystal, and the measuring methods of Li content were introduced to reveal reason of growing congruent LiNbO and variable Li/Nb ratios.

Cardiovascular and cerebrovascular events in patients with intracerebral hemorrhage: Clinical characteristics and long-term predictors.

Few studies have examined the long-term prognosis of Chinese patients with intracerebral hemorrhage (ICH). This study assessed the clinical characteristics and predictors of vascular events occurring within 5 years after ICH. We included consecutive patients diagnosed with first-ever ICH between June 2013 and December 2014.

Multiscale Investigation into Chemically Stable NASICON Solid Electrolyte in Acidic Solutions.

Natrium superionic conductor (NASICON) solid electrolyte has been attracting wide attention due to its high ionic conductivity, low cost, and environmental friendliness. In this work, the chemical stability of the NASICON solid electrolyte with the composition of NaZrSiPO was evaluated in acidic solutions with different pH values, and the corrosion mechanism of the NASICON solid electrolyte was revealed at the multiscale level. Variations in bulk impedance, grain boundary impedance, and surface crack impedance with immersion time were determined by an AC impedance method.

Highly Ordered TiO Nanotube Arrays with Engineered Electrochemical Energy Storage Performances.

Nanoscale engineering of regular structured materials is immensely demanded in various scientific areas. In this work, vertically oriented TiO nanotube arrays were grown by self-organizing electrochemical anodization. The effects of different fluoride ion concentrations (0.

LncRNA OR3A4 Regulated the Growth of Osteosarcoma Cells by Modulating the miR-1207-5p/G6PD Signaling.

Background: Increasing evidence has demonstrated the importance of non-coding RNAs including long non-coding RNA (lncRNA) and microRNAs (miRNAs) in the tumorigenesis of osteosarcoma (OS). Abnormal expression of lncRNA olfactory receptor family 3 subfamily A member 4 (OR3A4) was found in multiple human cancers; however, the function of OR3A4 in OS remains largely unknown.

Materials And Methods: The expression level of OR3A4 in OS tissues and cell lines was detected by RT-qPCR.

Highly dispersed Co nanoparticles decorated on a N-doped defective carbon nano-framework for a hybrid Na-air battery.

Efficient and low-cost bifunctional electrocatalysts for the oxygen reduction reaction (ORR) and the oxygen evolution reaction (OER) are of vital importance in energy conversion. Herein, an excellent highly dispersed Co nanoparticle decorated N-doped defective carbon nano-framework (Co-N-C) derived from a ZnCo bimetal organic framework (bi-MOF) is reported. A high specific surface area originating from zinc evaporation facilitates the adsorption and desorption of oxygen, which promotes the accessibility of catalytic sites.

La:Ni-Cl oxyhydroxide gels with enhanced electroactivity as positive materials for hybrid supercapacitors.

Electrochemical energy storage performance of inorganic solid materials is highly dependent on the number of electroactive sites and their reactivity. However, it is difficult to control the number of electroactive sites and their reactivity during the solid crystallization process. Herein, we synthesized novel poorly crystalline La:Ni-Cl oxyhydroxide gels with sufficient electroactive sites and atomically homogeneous distribution of Ni, La, and Cl ions.

Challenges and perspectives of NASICON-type solid electrolytes for all-solid-state lithium batteries.

NASICON-type (lithium super ionic conductor) solid electrolyte is of great interest because of its high ionic conductivity, wide potential window, and good chemical stability. In this paper, the key problems and challenges of NASICON-type solid electrolyte are described from the aspects of ionic conductivity, electrode interface, and electrochemical stability. Firstly, the migration mechanism of lithium ion is analyzed from the three-dimensional structure of NASICON-type solid electrolyte, and progress in the research of conductivity and stability is summarized.

Toward materials-by-design: achieving functional materials with physical and chemical effects.

Advances in renewable and sustainable energy technologies critically depend on our ability to rationally design and process target materials with optimized performances. Advanced material design and discovery are ideally involved in material prediction, synthesis and characterization. Control of material crystallization enables the rational design and discovery of novel functional inorganic materials in multi-scale.

Porous α-Fe₂O₃@C Nanowire Arrays as Flexible Supercapacitors Electrode Materials with Excellent Electrochemical Performances.

Porous α-Fe₂O₃ nanowire arrays coated with a layer of carbon shell have been prepared by a simple hydrothermal route. The as-synthesized products show an excellent electrochemical performance with high specific capacitance and good cycling life after 9000 cycles. A solid state asymmetric supercapacitor (ASC) with a 2 V operation voltage window has been assembled by porous α-Fe₂O₃/C nanowire arrays as the anode materials, and MnO₂ nanosheets as the cathode materials, which gives rise to a maximum energy density of 30.

Novel High-Energy-Density Rechargeable Hybrid Sodium-Air Cell with Acidic Electrolyte.

Low-cost, high-energy-density, and highly efficient devices for energy storage have long been desired in our society. Herein, a novel high-energy-density hybrid sodium-air cell was fabricated successfully on the basis of acidic catholytes. Such a hybrid sodium-air cell possess a high theoretical voltage of 3.

Novel inorganic tin phosphate gel: multifunctional material.

Here, we report a remarkable 15 Å nanolayered tin phosphate, Sn(HPO)·3HO (SnP-H or SnP), and its clay-like gel, which are multifunctional and are prepared using earth-abundant Sn and P chemicals by a facile, environmentally benign and potentially cost-effective process. This new energy material is discovered here as the best proton conductor among all the known layered phosphates with a very high proton conductivity of over 1 × 10 S cm at 100 °C for potential use in PEM fuel cells. But it is also a very good capacitor material with fast Li-storage kinetics (charging time of 13 s).

Microwave-Irradiation-Assisted Combustion toward Modified Graphite as Lithium Ion Battery Anode.

A rapid method to high-yield synthesis of modified graphite by microwave irradiation of partially oxidized graphite (oxidized by HSO and KMnO) is reported. During the microwave irradiation, electrical arc induced flame combustion of MnO and vaporization and decomposition of HSO to form O and SO, which helped to decompose graphite within 30 s. The modified graphite boosts its ability to support the intercalation and diffusion of Li ions.

Colloidal paradigm in supercapattery electrode systems.

Among decades of development, electrochemical energy storage systems are now sorely in need of a new design paradigm at the nano size and ion level to satisfy the higher energy and power demands. In this review paper, we introduce a new colloidal electrode paradigm for supercapattery that integrates multiple-scale forms of matter, i.e.