A comparison between nail-plate constructs and the plate-on-plate technique in the treatment of proximal femoral peri-implant fracture.

Study Design: A single-centre, retrospective cohort study.

Objectives: To compare the clinical outcomes between nail-plate constructs and the plate-on-plate technique in the treatment of proximal femoral peri-implant fracture (PFPIF).

Methods: Thirty-seven patients with PFPIF treated at our hospital were included.

Structural Diversity and Dimensionality of Three Cu(II)-dpds-CO Coordination Polymers Controlled by the Coordination Sphere of Cu(II) Centers and the Coordination Modes of CO (dpds = 4,4'-Dipyridyldisulfide).

Three supramolecular architectures, [Cu(dpds)(CO)(HO)]·3HO (), [Cu(dpds)(CO)]·3HO (), and [Cu(dpds)(CO)]·9HO·CHOH () (dpds = 4,4'-dipyridyldisulfide and CO (croconate) = dianion of 4,5-dihydroxycyclopent-4-ene-1,2,3-trione), have been synthesized and structurally characterized. Compound contains two crystallographically independent Cu(II) ions, which are both distorted octahedral geometry with elongation along the croconate- and HO-bound axial positions and bonded with two N atoms of two dpds, two O atoms of one CO , and two HO molecules. Two crystallographically independent dpds ligands, both adopting the bis-monodentate bridging mode, connect two Cu(II) ions to form a one-dimensional zigzag chain-like coordination polymer.

Formation Characteristics of Pt-Ni Alloy Nanoparticles Fabricated by Nanolamination of Atomic Layer Deposition in Hydrogen.

Forced-flow atomic layer deposition nanolamination is employed to fabricate Pt-Ni nanoparticles on XC-72, with the compositions ranging from PtNi to PtNi. Hydrogen is used as a co-reactant for depositing Pt and Ni. The growth rate of Pt is slower than that using oxygen reactant, and the growth exhibits preferred orientation along the (111) plane.

Interrogation of 3d Transition Bimetallic Nanocrystal Nucleation and Growth Using Electron Microscope and Synchrotron X-ray Techniques.

Understanding the nucleation and growth mechanism of 3d transition bimetallic nanocrystals (NCs) is crucial to developing NCs with tailored nanostructures and properties. However, it remains a significant challenge due to the complexity of 3d bimetallic NCs formation and their sensitivity to oxygen. Here, by combining electron microscopy and synchrotron X-ray techniques, we elucidate the nucleation and growth pathways of Fe-Ni NCs.

In Operando X-ray Spectroscopic and DFT Studies Revealing Improved H Evolution by the Synergistic Ni-Co Electron Effect in the Alkaline Condition.

The different electrolyte conditions, e.g., pH value, for driving efficient HER and OER are one of the major issues hindering the aim for electrocatalytic water splitting in a high efficiency.

Coprecipitation Strategy for Halide-Based Solid-State Electrolytes and Atmospheric-Dependent In Situ Analysis.

In the continuous pursuit of an energy-efficient alternative to the energy-intensive mechanochemical process, we developed a coprecipitation strategy for synthesizing halide-based solid-state electrolytes that warrant both structural control and commercial scalability. In this study, we propose a new coprecipitation approach to synthesized LiInCl, exhibiting both structural and electrochemical performance stability, with a high ionic conductivity of 1.42 × 10 S cm, comparable to that of traditionally prepared counterparts.

Amorphous Oxyhalide Matters for Achieving Lithium Superionic Conduction.

The recently surged halide-based solid electrolytes (SEs) are great candidates for high-performance all-solid-state batteries (ASSBs), due to their decent ionic conductivity, wide electrochemical stability window, and good compatibility with high-voltage oxide cathodes. In contrast to the crystalline phases in halide SEs, amorphous components are rarely understood but play an important role in Li-ion conduction. Here, we reveal that the presence of amorphous component is common in halide-based SEs that are prepared via mechanochemical method.

Dinitrosyl Iron Complex-Derived Nanosized Zerovalent Iron (NZVI) as a Template for the Fe-Co Cracked NZVI: An Electrocatalyst for the Oxygen Evolution Reaction.

Nanosized zerovalent iron (NZVI) with a core-shell structure derived from photocatalytic MeOH aqueous solution of dinitrosyl iron complex (DNIC) [(NMDA)Fe(NO)] (NMDA = ,-dimethyl-2-(((1-methyl-1-imidazole-2-yl)methylene)amino)ethane-1-amine) (), eosin Y, and triethylamine (TEA) is demonstrated. The NZVI core shows a high percentage of zerovalent iron (Fe %) and is stabilized by a hydrophobic organic support formed through the photodegradation of eosin Y hybridized with the NMDA ligand. In addition to its well-known reductive properties in wastewater treatment and groundwater remediation, NZVI demonstrates the ability to form heterostructures when it interacts with metal ions.

Unveiled the Structure-Selectivity Relationship for Carbon Dioxide Reduction Triggered by Bi-Doped Cu-Based Nanocatalysts.

To investigate synergistic effect between geometric and electronic structures on directing CORR selectivity, water phase synthetic protocol and surface architecture engineering strategy are developed to construct monodispersed Bi-doped Cu-based nanocatalysts. The strongly correlated catalytic directionality and Bi dopant can be rationalized by the regulation of [*COOH]/[*CO] adsorption capacities through the appropriate doping of Bi electronic modulator, resulting in volcano relationship between FE/TOF and surface EVBM values. Spectroscopic study reveals that the dual-site binding mode ([Cu─μ─C(═O)O─Bi]) enabled by CuBi motif in single-phase CuBi nanocatalyst drives CO2-to-CO conversion.

Temperature-Dependent Structures of Single-Atom Catalysts.

Single-atom catalysts (SACs) have the unique coordination environment and electronic structure due to the quantum size effect, which plays an essential role in facilitating catalytic reactions. However, due to the limited understanding of the formation mechanism of single atoms, achieving the modulation of the local atomic structure of SACs is still difficult and challenging. Herein, we have prepared a series of Ni SACs loaded on nitrogen-doped carbon substrates with different parameters using a dissolution-and-carbonization method to systematically investigate the effect of temperature on the structure of the SACs.

Ternary NiMo-Bi liquid alloy catalyst for efficient hydrogen production from methane pyrolysis.

Methane pyrolysis (MP) is a potential technology for CO-free hydrogen production that generates only solid carbon by-products. However, developing a highly efficient catalyst for stable methane pyrolysis at a moderate temperature has been challenging. We present a new and highly efficient catalyst created by modifying a Ni-Bi liquid alloy with the addition of Mo to produce a ternary NiMo-Bi liquid alloy catalyst (LAC).

First principal observation documenting the three-dimensional uptake of cadmium and spatial distribution of cadmium hydroxyapatite mineral in bone char.

The 3-D matrix scale ion-exchange mechanism was explored for high-capacity cadmium (Cd) removal using bone chars (BC) chunks (1-2 mm) made at 500 °C (500BC) and 700 °C (700BC) in aqueous solutions. The Cd incorporation into the carbonated hydroxyapatite (CHAp) mineral of BC was examined using a set of synchrotron-based techniques. The Cd removal from solution and incorporation into mineral lattice were higher in 500BC than 700BC, and the diffusion depth was modulated by the initial Cd concentration and charring temperature.

Detection of nitrofurazone with metal-organic frameworks and reduced graphene oxide composites: insights from molecular dynamics simulations.

Two-dimensional metal-organic framework (MOF) composites were produced by incorporating Fe-MOFs into reduced graphene oxide (rGO) nanosheets to form Fe-MOF/rGO composites by hydrothermal synthesis. SEM, TEM, XRD, XPS, and measurements of contact angles were used to characterize the composites. TEM studies revealed that the rod-like-shaped Fe-MOFs were extensively dispersed on the rGO sheets.

N-Containing Carbon-Coated β-Si N Enhances Si Anodes for High-Performance Li-Ion Batteries.

The lithiation/delithiation properties of α-Si N and β-Si N are compared and the carbon coating effects are examined. Then, β-Si N at various fractions is used as the secondary phase in a Si anode to modify the electrode properties. The incorporated β-Si N decreases the crystal size of Si and introduces a new NSiO species at the β-Si N /Si interface.

High-Pressure Synthesized Perovskite CdMnO with C-Type Antiferromagnetic Spin Configuration.

CdMnO had not been previously reported and was a missing piece in the AMnO series. We succeeded in synthesizing this compound by a high-pressure method and confirmed that it is crystallized in a distorted perovskite structure with a CdMnO charge configuration. The obtained insulating CdMnO exhibits an antiferromagnetic transition at about 86 K.

Pronounced interplay between intrinsic phase-coexistence and octahedral tilt magnitude in hole-doped lanthanum cuprates.

Definitive understanding of superconductivity and its interplay with structural symmetry in the hole-doped lanthanum cuprates remains elusive. The suppression of superconductivity around 1/8th doping maintains particular focus, often attributed to charge-density waves (CDWs) ordering in the low-temperature tetragonal (LTT) phase. Central to many investigations into this interplay is the thesis that LaBaCuO and particularly LaEuSrCuO present model systems of purely LTT structure at low temperature.

Synthesis, Structural Characterization, and Water Vapor Sorption Behavior of Two Ligand Ratio-Dependent Supramolecular Networks, [Cd(2,2'-bpym)(BDC)]·0.5(2,2'-bpym)·5HO and [Cd(2,2'-bpym)(BDC)(HO)].

Two ligand ratio-dependent supramolecular networks, [Cd(2,2'-bpym)(BDC)]·0.5(2,2'-bpym)·5HO () and [Cd(2,2'-bpym)(BDC)(HO)] (), (BDC = dianion of terephthalic acid and 2,2'-bpym = 2,2'-bipyrimidine) have been synthesized and structurally characterized by the single-crystal X-ray diffraction method. Structural determination reveals that compound is a two-dimensional (2D) layered metal-organic framework (MOF) constructed the bridges of Cd(II) ions with 2,2'-bpym and BDC ligands, and compound is a zero-dimensional (0D) 2,2'-bpym-bridged di-Cd(II) monomeric complex.

Electrochemical characterization of and theoretical insight into a series of 2D MOFs, [M(bipy)(CO)(HO)]·3HO (M = Mn (1), Fe (2), Co (3) and Zn (4)), for chemical sensing applications.

The electrochemical sensing applications of a series of water-stable 2D metal-organic framework (MOF)-modified screen-printed carbon electrodes (SPCEs) are reported. The MOF materials in this study are [M(bipy)(CO)(HO)]·3HO, in which bipy = 4,4'-bipyridine and M = Mn, Fe, Co and Zn. The MOF materials are characterized by scanning electron microscopy (SEM) and transmission electron microscopy (TEM), showing that the MOFs have a layer-by-layer rod structure with a smooth surface.

Magnetic Responsive Release of Nitric Oxide from an MOF-Derived FeO@PLGA Microsphere for the Treatment of Bacteria-Infected Cutaneous Wound.

Nitric oxide (NO) is an essential endogenous signaling molecule regulating multifaceted physiological functions in the (cardio)vascular, neuronal, and immune systems. Due to the short half-life and location-/concentration-dependent physiological function of NO, translational application of NO as a novel therapeutic approach, however, awaits a strategy for spatiotemporal control on the delivery of NO. Inspired by the magnetic hyperthermia and magneto-triggered drug release featured by FeO conjugates, in this study, we aim to develop a magnetic responsive NO-release material (MagNORM) featuring dual NO-release phases, namely, burst and steady release, for the selective activation of NO-related physiology and treatment of bacteria-infected cutaneous wound.

Striping of orbital-order with charge-disorder in optimally doped manganites.

The phase diagrams of LaMnO perovskites have been intensely studied due to the colossal magnetoresistance (CMR) exhibited by compositions around the [Formula: see text] doping level. However, phase segregation between ferromagnetic (FM) metallic and antiferromagnetic (AFM) insulating states, which itself is believed to be responsible for the colossal change in resistance under applied magnetic field, has prevented an atomistic-level understanding of the orbital ordered (OO) state at this doping level. Here, through the detailed crystallographic analysis of the phase diagram of a prototype system (AMn[Formula: see text]Mn[Formula: see text]O), we show that the superposition of two distinct lattice modes gives rise to a striping of OO Jahn-Teller active Mn and charge disordered (CD) Mn layers in a 1:3 ratio.

Mechanistic Insight into the Synergetic Interaction of Ammonia Borane and Water on ZIF-67-Derived Co@Porous Carbon for Controlled Generation of Dihydrogen.

Regarding dihydrogen as a clean and renewable energy source, ammonia borane (NHBH, AB) was considered as a chemical H-storage and H-delivery material due to its high storage capacity of dihydrogen (19.6 wt %) and stability at room temperature. To advance the development of efficient and recyclable catalysts for hydrolytic dehydrogenation of AB with parallel insight into the reaction mechanism, herein, ZIF-67-derived fcc-Co@porous carbon nano/microparticles (cZIF-67_nm/cZIF-67_μm) were explored to promote catalytic dehydrogenation of AB and generation of H.

Early detection and intervention for acute perforated peptic ulcer after elective spine surgeries: a review of 13 cases from 24,026 patients.

Background: To determine how perforated peptic ulcers be diagnosed earlier after patients undergoing an elective spine surgery.

Methods: Patients who underwent elective spine surgeries at our hospital between January 2000 and April 2018 and experienced an acute perforated peptic ulcer were included. An age-and gender-matched control group was comprised of 26 patients without a postoperative acute perforated peptic ulcer who received spine surgery during the same period.