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Greater Omentum Imaging-Reporting and Data System: establishing the grade of benign and malignant lesions of the greater omentum using ultrasonography

Zhiguang Chen、Liang Sang、Yixia Zhang 等 6 位作者2020-08-03Cancer Imaging

OBJECTIVE: To establish Greater Omentum Imaging-Reporting and Data System (GOI-RADS) to evaluate the possibility of omental diseases being malignant. METHOD: A retrospective analysis was made of 883 patients who had undergone biopsy of the greater omentum in our center from October 2009 to October 2019. Twelve paramet…

Intraperitoneal and Appendiceal MalignanciesThermal Expansion and Ionic ConductivityOmental and Epiploic Conditions

Direction-selective electron beam damage to CH3NH3PbI3 based on crystallographic anisotropy

Tae Woong Kim、Takashi Kondo2020-08-03Applied Physics Express

We report that the organometal halide perovskite is selectively damaged by an electron beam depending on its irradiation direction. Using transmission electron microscopy investigation, we have confirmed that CH 3 NH 3 PbI 3 single crystals are highly tolerant to [ ] electron beam irradiation while they are easily dam…

Perovskite Materials and ApplicationsChalcogenide Semiconductor Thin FilmsSolid-state spectroscopy and crystallography

The formation of self-assembled structures of C60 in solution and in the volume of an evaporating drop of a colloidal solution

Urol Kudratovich Makhmanov、А. М. Коххаров、С. А. Бахрамов 等 4 位作者2020-08-03Lithuanian Journal of Physics

The results of experiments on the self-aggregation of C60 fullerene molecules both inside a two-component solvent (xylene/tetrahydrofuran) and in the volume of an evaporating drop of C60 colloidal solution on a flat substrate surface are presented. The investigations of C60 solutions using dynamic light scattering, tr…

Carbon Nanotubes in CompositesFullerene Chemistry and ApplicationsLaser-Ablation Synthesis of Nanoparticles

Compression behavior of the 4D printed reentrant honeycomb: experiment and finite element analysis

Longtao Ji、Wenxia Hu、Ran Tao 等 8 位作者2020-08-03Smart Materials and Structures

Abstract Shape memory polymer (SMP) is a kind of intelligent material that produces shape changes under external stimulus conditions. 4D printing is a comprehensive technology based on deformable materials and 3D printing. Based on 4D printing technology of SMP, this paper presents a smart reentrant honeycomb that is…

Cellular and Composite StructuresPolymer composites and self-healingAdvanced Materials and Mechanics

Bioinspired Fabrication of Strong Self-Standing Egg-Sugarcane Cathodes for Rechargeable Lithium–Oxygen Batteries

Xiaoxue Wang、Shucai Gan、Lijun Zheng 等 5 位作者2020-08-03CCS Chemistry

Open AccessCCS ChemistryRESEARCH ARTICLE1 Jun 2021Bioinspired Fabrication of Strong Self-Standing Egg-Sugarcane Cathodes for Rechargeable Lithium–Oxygen Batteries Xiao-Xue Wang, Shu-Cai Gan, Li-Jun Zheng, Ma-Lin Li and Ji-Jing Xu Xiao-Xue Wang State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Coll…

Advancements in Battery MaterialsSupercapacitor Materials and FabricationAdvanced battery technologies research

Versatility of Nanocrystalline Silicon Films: from Thin-Film to Perovskite/c-Si Tandem Solar Cell Applications

Luana Mazzarella、Anna Belen Morales‐Vilches、Lars Korte 等 5 位作者2020-08-03Coatings

Doped hydrogenated nanocrystalline (nc-Si:H) and silicon oxide (nc-SiOx:H) materials grown by plasma-enhanced chemical vapor deposition have favourable optoelectronic properties originated from their two-phase structure. This unique combination of qualities, initially, led to the development of thin-film Si solar cell…

Thin-Film Transistor TechnologiesSilicon and Solar Cell TechnologiesSilicon Nanostructures and Photoluminescence

A Systematic Study on Polymer-Modified Alkali-Activated Slag–Part II: From Hydration to Mechanical Properties

Zichen Lu、Jan‐Philip Merkl、Maxim Pulkin 等 6 位作者2020-08-03Materials

The effect of styrene-acrylate (SA) polymer latex on alkali-activated slag (AAS) was systematically studied in the aspects of hydration, hydration products, pore structure and mechanical properties through the combined analytical techniques including calorimetry, X-ray diffraction, thermogravimetric analysis, mercury…

Concrete and Cement Materials ResearchRecycling and utilization of industrial and municipal waste in materials productionMagnesium Oxide Properties and Applications

Constitutive Equations for Describing the Hot Compressed Behavior of TC4–DT Titanium Alloy

Haoran Wang、Chunge Wang、Muyu Li 等 5 位作者2020-08-03Materials

. The purpose of this study is to develop a new high-precision modified constitutive model that can describe the deformation behavior of TC4-DT titanium alloy. Both the modified strain-compensated Arrhenius-type equation and the modified Hensel-Spittel equation were established by revising the strain rate. The paramet…

Microstructure and mechanical propertiesMetal Forming Simulation TechniquesMetallurgy and Material Forming

J‐Aggregate‐Based FRET Monitoring of Drug Release from Polymer Nanoparticles with High Drug Loading

Yun Liu、Guangze Yang、Song Jin 等 10 位作者2020-08-03Angewandte Chemie

Abstract Understanding drug‐release kinetics is critical for the development of drug‐loaded nanoparticles. We developed a J‐aggregate‐based Förster‐resonance energy‐transfer (FRET) method to investigate the release of novel high‐drug‐loading (50 wt %) nanoparticles in comparison with low‐drug‐loading (0.5 wt %) nanopa…

Gold and Silver Nanoparticles Synthesis and ApplicationsSurfactants and Colloidal SystemsProtein Interaction Studies and Fluorescence Analysis

Organic Dye Nanoparticles with a Special D−π–A Structure for Photoacoustic Imaging and Photothermal Therapy

Weilong Feng、Wanyi Zhao、Zhuo Chen 等 8 位作者2020-08-03ACS Applied Bio Materials

FTC dye with a D-π-A structure showed outstanding stability, high extinction coefficient, and good photothermal performance. Thus, nanoparticles based on FTC dye were first fabricated by a nanoprecipitation method for photothermal therapy (PTT) which was guided by photoacoustic imaging (PAI). The prepared FTC NPs show…

Gold and Silver Nanoparticles Synthesis and ApplicationsNanoplatforms for cancer theranosticsPhotoacoustic and Ultrasonic Imaging

Synthesis of ultra‐high concentration of salt‐resistant polyacrylamide

Tianhong Zhao、Jie Peng、Yiwen Zhang 等 7 位作者2020-08-03Polymers for Advanced Technologies

Glucose, an environmentally friendly and renewable material, is modified differently in various fields. In the petrochemical industry, water‐soluble polymer with salt resistance plays an important role in the production in high‐salinity reservoirs. In this work, N,N ‐dimethyl ethanolamine was reacted with glucose to s…

Hydrogels: synthesis, properties, applicationsEnhanced Oil Recovery TechniquesAdvanced Cellulose Research Studies

Effect of nonlocality and memory responses in the thermoelastic problem with a Mode I crack

Abhik Sur、Sudip Mondal、M. Kanoria2020-08-03Waves in Random and Complex Media

The analysis of fracture is very important along with the miniaturization of the device and wide application of ultra-fast lasers, where size effect on heat conduction and elastic deformation increase and classical theory of thermoelastic coupling does not hold any more. Due to these, size-dependent thermoelastic mode…

Numerical methods in engineeringThermoelastic and Magnetoelastic PhenomenaNonlocal and gradient elasticity in micro/nano structures

Dairy-Inspired Coatings for Bone Implants from Whey Protein Isolate-Derived Self-Assembled Fibrils

Rebecca Rabe、Ute Hempel、Laurine Martocq 等 6 位作者2020-08-03International Journal of Molecular Sciences

To improve the integration of a biomaterial with surrounding tissue, its surface properties may be modified by adsorption of biomacromolecules, e.g., fibrils. Whey protein isolate (WPI), a dairy industry by-product, supports osteoblastic cell growth. WPI's main component, β-lactoglobulin, forms fibrils in acidic solut…

Proteins in Food Systemsbiodegradable polymer synthesis and propertiesProtein Hydrolysis and Bioactive Peptides

Interface engineering of nanoceramic hematite photoelectrode for solar energy conversion

André L. M. Freitas、Dereck N.F. Muche、E. R. Leite 等 4 位作者2020-08-03Journal of the American Ceramic Society

Abstract This work addresses the role of different modifiers on the overall photocurrent response, which allowed a dual material insertion, increasing the charge separation without compromise the surface catalysis. Sn‐addition onto nanoceramic hematite photoelectrodes clearly increased flat band potential, promoting a…

Advanced Photocatalysis TechniquesIron oxide chemistry and applicationsCopper-based nanomaterials and applications

Signatures of possible surface states in TaAs

Nityan Nair、Marie-Eve Boulanger、F. Laliberté 等 11 位作者2020-08-03Physical review. B./Physical review. B

We study Shubnikov--de Haas oscillations in single crystals of TaAs and find a previously undetected two-dimensional quantum oscillation that does not belong to the bulk Fermi surface. We cannot find an impurity phase consistent with our observations, and extensive diffraction measurements have not shown the presence…

Quantum and electron transport phenomenaTopological Materials and PhenomenaElectronic and Structural Properties of Oxides

Sub-Zero Temperature Fatigue Strength of Butt-Welded Normal and High-Strength Steel Joints for Ships and Offshore Structures in Arctic Regions

Moritz Braun、Aleksandar‐Saša Milaković、Sören Ehlers 等 7 位作者2020-08-03OpenAlex

Abstract Ships and offshore structures operating in Artic regions face specific challenges such as ice loads and seasonal low temperatures. In order to meet these extreme environmental requirements, the effect of temperature on material behaviour needs to be considered. It is well known that static material properties…

Fatigue and fracture mechanicsFire effects on concrete materialsMaterial Properties and Failure Mechanisms

Small Molecule Modulation of Intrinsically Disordered Proteins Using Molecular Dynamics Simulations

Pablo Herrera-Nieto、Adrià Pérez、Gianni De Fabritiis2020-08-03Journal of Chemical Information and Modeling

Abstract The extreme dynamic behavior of intrinsically disordered proteins hinders the development of drug-like compounds capable of modulating them. There are several examples of small molecules that specifically interact with disordered peptides. However, their mechanisms of action are still not well understood. Her…

Protein Structure and DynamicsRNA and protein synthesis mechanismsEnzyme Structure and Function

Ligand-bound glutamine binding protein assumes multiple metastable binding sites with different binding affinities

Lu Zhang、Shaowen Wu、Yitao Feng 等 8 位作者2020-08-03Communications Biology

Protein dynamics plays key roles in ligand binding. However, the microscopic description of conformational dynamics-coupled ligand binding remains a challenge. In this study, we integrate molecular dynamics simulations, Markov state model (MSM) analysis and experimental methods to characterize the conformational dynam…

Protein Structure and DynamicsEnzyme Structure and FunctionReceptor Mechanisms and Signaling

Improved nucleation of AlN on in situ nitrogen doped graphene for GaN quasi-van der Waals epitaxy

Yang Chen、Hang Zang、Ke Jiang 等 10 位作者2020-08-03Applied Physics Letters

In the present work, improved crystal quality of GaN on a graphene-covered sapphire substrate was achieved compared to GaN grown on a bare sapphire substrate, and the growth mechanism of GaN quasi-van der Waals epitaxy with an AlN nucleation layer was clarified using metal-organic chemical vapor deposition. The in sit…

Graphene research and applicationsGaN-based semiconductor devices and materialsGa2O3 and related materials

Energetics and kinetics of monolayer formation in vapor-liquid-solid nanowire growth

Frank Glas、В. Г. Дубровский2020-08-03Physical Review Materials

The vapor-liquid-solid growth of semiconductor nanowires proceeds via the sequential addition of individual atomic or biatomic monolayers at the interface between the nanowire stem and a liquid catalyst droplet. Each monolayer growth cycle comprises a period of nucleation and extension of the monolayer followed by a w…

Advancements in Semiconductor Devices and Circuit DesignNanowire Synthesis and ApplicationsElectronic and Structural Properties of Oxides