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Impact of Incoherent Coupling within Localized Surface Plasmon Resonance on Singlet Oxygen Production in Rose Bengal-Modified Silica-Coated Silver Nanoshells (SiO 2 @Ag@SiO 2 -RB)

Vladimir Kabanov、Belinda Heyne2020-07-17ACS Applied Nano Materials

The use of metal-containing nanoparticles capable of localized surface plasmon resonance (LSPR)-enhanced singlet oxygen ( 1 O 2 ) production, via photosensitization, are currently promising candidates for cytotoxic medical purposes. Despite the ongoing advances in fabricating plasmonic nanomaterials, much of the insig…

Gold and Silver Nanoparticles Synthesis and ApplicationsNanoplatforms for cancer theranosticsPhotodynamic Therapy Research Studies

In vitro degradation and mechanical behaviour of calcium phosphate coated Mg-Ca alloy

Shebeer A. Rahim、T.T. Nikhil、M. A. Joseph 等 4 位作者2020-07-17Materials Technology

The mechanical and physical properties of Mg-Ca alloys make them suitable for temporary orthopaedic implant applications. However, the rapid degradation of these alloys limits their use in the physiological environment. The effect of calcium phosphate (CaP) coating on biomineralization, biodegradation, and mechanical…

Bone Tissue Engineering MaterialsMagnesium Alloys: Properties and ApplicationsMXene and MAX Phase Materials

Dynamic optimization of low-density polyethylene production in tubular reactor under thermal safety constraint

Ashraf Azmi‬‬‬‬‬、Suhairi A. Sata、F.S. Rohman 等 4 位作者2020-07-17Chemical Industry and Chemical Engineering Quarterly

A commercial low-density polyethylene (LDPE) which is produced by the polymerization process of ethylene in the presence of initiators in a long tubular reactor is the most widely used in polymer industry. The highly exothermic nature of the LDPE polymerization process and the heating-cooling prerequisite in the tubul…

Polymer crystallization and propertiesFuel Cells and Related MaterialsRheology and Fluid Dynamics Studies

Enhanced piezoelectricity in twinned ferroelastics with nanocavities

Guangming Lu、Suzhi Li、Xiangdong Ding 等 5 位作者2020-07-17Physical Review Materials

Enhancing the electromechanical response by engineering domain boundaries in multiferroics has become a highly active research field in recent years. The starting point is the discovery that ferroelastic twin walls are polar inside a nonpolar matrix. The density of such twin walls is then greatly enhanced by forming c…

Ferroelectric and Piezoelectric MaterialsMultiferroics and related materialsAcoustic Wave Resonator Technologies

Fast, wafer-scale growth of a nanometer-thick graphite film on Ni foil and its structural analysis

Geetanjali Deokar、Alessandro Genovese、Pedro M. F. J. Costa2020-07-17Nanotechnology

Abstract The growth of graphite on polycrystalline Ni by chemical vapor deposition (CVD) and the microstructural relation of the graphitic films and the metallic substrate continues to puzzle the scientific community. Here, we report the wafer-scale growth of a nanometer-thick graphite film (∼100 nm, NGF) on Ni foil v…

Graphene research and applicationsSilicon Carbide Semiconductor TechnologiesThermal properties of materials

Post-Polymerization Heat Effect in the Production of Polyamide 6 by Bulk Quasiliving Anionic Ring-Opening Polymerization of ε-Caprolactam with Industrial Components: A Green Processing Technique

Zsófia Osváth、A Szöke、Szabolcs Pásztor 等 6 位作者2020-07-17Processes

Bulk, solventless anionic ring-opening polymerization (AROP) of ε-caprolactam (CPL) with high yields, without side products and with short reaction times, initiated by caprolactamate-carbamoylcaprolactam initiating systems belong to green polymerization processes, leading to poly(ε-caprolactam) (Polyamide 6, PA6, Nylo…

Polymer crystallization and propertiesbiodegradable polymer synthesis and propertiesCarbon dioxide utilization in catalysis

3D Structure and Mechanics of Silk Sponge Scaffolds Is Governed by Larger Pore Sizes

Betina M. P. Ferreira、Niklas Andersson、Erik Atterling 等 6 位作者2020-07-17Frontiers in Materials

Three-dimensional scaffolds play an essential role in tissue engineering. Although essential, the tunability of the 3D scaffolds mechanical and transport properties remains a challenge. In this work, we present new approaches to advance the field. First, we applied our progressive pH acidification to mimic the natural…

Surface Modification and SuperhydrophobicityElectrospun Nanofibers in Biomedical ApplicationsSilk-based biomaterials and applications

DNA-Binding and Transcription Activation by Unphosphorylated Response Regulator AgrR From Cupriavidus metallidurans Involved in Silver Resistance

Md Muntasir Ali、Ann Provoost、Kristel Mijnendonckx 等 5 位作者2020-07-17Frontiers in Microbiology

Even though silver and silver nanoparticles at low concentrations are considered safe for human health, their steadily increasing use and associated release in nature is not without risk since it may result in the selection of silver-resistant microorganisms, thus impeding the utilization of silver as antimicrobial ag…

Nanoparticles: synthesis and applicationsArsenic contamination and mitigationTrace Elements in Health

Thermodynamic signatures of an antiferromagnetic quantum critical point inside a superconducting dome

Vanuildo S. de Carvalho、Andrey V. Chubukov、Rafael M. Fernandes2020-07-17Physical review. B./Physical review. B

Recent experiments in unconventional superconductors, and in particular iron-based materials, have reported evidence of an antiferromagnetic quantum critical point (AFM-QCP) emerging inside the superconducting dome of the phase diagram. Fluctuations associated with such an AFM-QCP are expected to promote unusual tempe…

Physics of Superconductivity and MagnetismRare-earth and actinide compoundsIron-based superconductors research

Solvent‐Assisted [(Glycine)‐(MP‐SiO 2 NPs)] Aggregate for Drug Loading and Cancer Therapy

Chander Amgoth、Rompivalasa Santhosh、Tirupathi Malavath 等 6 位作者2020-07-17ChemistrySelect

Abstract Herein, the amino‐acid based glycine (Gly) solubility in different solvents (ethanol, pyridine, and n‐hexane) exhibited striking interlocking behavior with mesoporous silica nanoparticles (MP‐SiO 2 NPs) has been reported and discussed in detail. The synthesis of MP‐SiO 2 NPs carried out employing the modified…

Nanoparticle-Based Drug DeliveryMesoporous Materials and CatalysisPolyoxometalates: Synthesis and Applications

Fish Otolith Matrix Macromolecule-64 (OMM-64) and Its Role in Calcium Carbonate Biomineralization

Monika Poznar、Jarosław Stolarski、Andrzej Sikora 等 8 位作者2020-07-17Crystal Growth & Design

Abstract The inner ear of the rainbow trout contains biominerals called otoliths that are composed of calcium carbonate crystals and a protein organic matrix. The organic matrix macromolecule-64 (OMM-64) is an intrinsically disordered protein associated with high-molecular-weight aggregates. In this study, through a s…

Calcium Carbonate Crystallization and InhibitionIchthyology and Marine BiologyMarine Biology and Environmental Chemistry

Preparation of silica‐decorated graphene oxide nanohybrid system as a highly efficient reinforcement for woven jute fabric reinforced epoxy composites

Mahnaz Amirabadi‐Zadeh、Hamed Khosravi、Esmaeil Tohidlou2020-07-17Journal of Applied Polymer Science

Abstract In the current work, silica‐decorated graphene oxide (SiO2@GONPs) nanohybrids were used to reinforce the jute fiber/epoxy (JF/EP) composite. Tetraethylorthosilicate (TEOS) was utilized to prepare the SiO2@GONPs using a facial route. The results of Fourier‐transform infrared spectroscopy (FTIR), atomic force m…

Natural Fiber Reinforced CompositesFiber-reinforced polymer compositesTribology and Wear Analysis

Phase Formation and Densification Peculiarities of Hf–C–N Solid Solution Ceramics during Reactive Spark Plasma Sintering

A. P. Zavjalov、Pavel A. Nikiforov、D.Yu. Kosyanov 等 8 位作者2020-07-17Advanced Engineering Materials

Herein, phase formation and sintering of hafnium carbonitride ceramics from a 4HfC–3HfN powder mixture using reactive spark plasma sintering are studied. X‐ray diffraction (XRD) data show that the mutual heterodiffusion of carbon C and nitrogen N increases with sintering temperature within the studied temperature rang…

Advanced ceramic materials synthesisMetal and Thin Film MechanicsAdvanced materials and composites

Hydrodynamic Solvation of Poly(amido amine) Dendrimer Monolayers on Silica

Aneta Michna、Agata Pomorska、Małgorzata Nattich-Rak 等 5 位作者2020-07-17The Journal of Physical Chemistry C

Adsorption of poly(amido amine) dendrimers (G8 generation) on silica substrates was studied by atomic force microscopy (AFM), quartz crystal microbalance (QCM), and optical waveguide lightmode spectroscopy (OWLS). Initially, diffusion coefficient, hydrodynamic diameter, electrophoretic mobility, and stability of the d…

Polymer Surface Interaction StudiesMolecular Junctions and NanostructuresDendrimers and Hyperbranched Polymers

Influence of most reactive inorganic cation in the optical and biological activities of L-Lysine monohydrochloride crystal

B. Aneeba、S.V. Ashvin Santhia、S. Vinu 等 6 位作者2020-07-17Saudi Journal of Biological Sciences

Slow evaporation method was used to grow the pure and K+ ion doped L-Lysine monohydrochloride (L-LMHCL) crystals which has optical and antibiotic applications. The space group, structure and slight shifting of peaks are confirmed using single crystal XRD and the powder XRD. The FTIR analysis also shows that the K+ dop…

Crystal structures of chemical compoundsCrystallography and molecular interactionsNonlinear Optical Materials Research

Stannic Oxide Nanoparticle Regulates Proliferation, Invasion, Apoptosis, and Oxidative Stress of Oral Cancer Cells

Hui Li、Qiushi Li、Yingcai Li 等 6 位作者2020-07-17Frontiers in Bioengineering and Biotechnology

Objective: The study is to explore the effect of stannic oxide nanoparticle (SnO2 NP) on proliferation, invasion, apoptosis, and oxidative stress of oral cancer. Methods: The absorption characteristics, X-ray diffraction (XRD) pattern, and transmission electron microscopy (TEM) image of SnO2 NP were measured. The effe…

Advanced biosensing and bioanalysis techniquesNanoplatforms for cancer theranosticsAdvanced Nanomaterials in Catalysis

Singlet and Triplet Excited-State Dynamics of 3,7-Bis(arylethynyl)phenothiazines: Intramolecular Charge Transfer and Reverse Intersystem Crossing

Madhurima Poddar、Alessio Cesaretti、Elena Ferraguzzi 等 5 位作者2020-07-17The Journal of Physical Chemistry C

Abstract A series of 3,7-bis­(arylethynyl)-substituted phenothiazine-based fluorophores (bearing benzene, naphthalene, methoxynaphthalene, anthracene, phenanthrene, and pyrene) were designed and synthesized via a Pd-catalyzed Sonogashira cross-coupling reaction. These molecules show in solution large Stokes shifts (ge…

Photochemistry and Electron Transfer StudiesLuminescence and Fluorescent MaterialsPhotochromic and Fluorescence Chemistry

Investigation on Solid-State Phase Transformations in a 2510 Duplex Stainless Steel Grade

Irene Calliari、Marco Breda、Claudio Gennari 等 6 位作者2020-07-17Metals

Duplex and Super Duplex Stainless Steels are very prone to secondary phases formation related to ferrite decomposition at high temperatures. In the present paper the results on secondary phase precipitation in a 2510 Duplex Stainless Steel, heat-treated in the temperature range 850–1050 °C for 3–30 min are presented.…

Advanced Welding Techniques AnalysisHydrogen embrittlement and corrosion behaviors in metalsWelding Techniques and Residual Stresses

Methane Activation on Metal-Doped (111) and (100) Ceria Surfaces with Charge-Compensating Oxygen Vacancies

Giulia Righi、Rita Magri、Annabella Selloni2020-07-17The Journal of Physical Chemistry C

Reducing the temperature for methane activation is an important objective that would benefit many technological applications. In this work, we explore the possibility to achieve this goal using single-atom catalysts (SACs) on ceria surfaces. We focus on Ag SACs, which have recently been suggested to be promising catal…

Catalytic Processes in Materials ScienceCatalysis and Hydrodesulfurization StudiesCatalysis and Oxidation Reactions

Characterization of Nanoparticles Using DSPE-PEG2000 and Soluplus

R. Takayama、Yutaka Inoue、Isamu Murata 等 4 位作者2020-07-17Colloids and Interfaces

The aim of this study was to evaluate the characterized hydration method to prepare nanoparticles using Soluplus, a block copolymer with amphipathic properties, and distearoyl phosphatidyl ethanolamine (DSPE)-PEG2000 owing to particle size distribution, zeta potential, particle stability, and transmission electron mic…

Nanoparticle-Based Drug DeliverySurfactants and Colloidal SystemsAdvanced Drug Delivery Systems