Results 51 to 60 of about 4,813 (241)

Bacteria‐Responsive Nanostructured Drug Delivery Systems for Targeted Antimicrobial Therapy

Advanced Materials, EarlyView.
Bacteria‐responsive nanocarriers are designed to release antimicrobials only in the presence of infection‐specific cues. This selective activation ensures drug release precisely at the site of infection, avoiding premature or indiscriminate release, and enhancing efficacy.
Guillermo Landa, Gracia Mendoza, Silvia Irusta, Manuel Arruebo   +3 more
wiley   +1 more source

RESEARCH ON THE STRUCTURE OF THE MATERIAL BASED ON NANO- AND MICRO-SIZED CUBIC BN SYNTHESIZED FROM MECHANICALLY ACTIVATED GRAPHITE-LIKE BN WITH THE ADDITION OF ALUMINUM UNDER HPHT CONDITIONS

Eurasian Physical Technical Journal, 2022
In the article the structure and phase composition of the material based on nano- and micro-sized cubic boron nitride (cBN) obtained under high pressure and high temperature conditions from mechanically activated graphite-like boron nitride (hBN) in the
V.T. Senyut
doaj   +1 more source

The tribology between monocrystalline diamond and polycrystalline cubic boron nitride during frictional contact

, 2022
S.1147-1157The abrasive machining of superhard cutting tool materials such as polycrystalline cubic boron nitride is often conducted by grinding using diamond grinding wheels.
Kaiser, Josef, Barth, Sebastian, Bergs, Thomas, Müller, Ulrich   +3 more
core   +1 more source

Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics

Advanced Materials, EarlyView.
The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades, Pedro Hidalgo, David Maestre, Ruth Martínez‐Casado, Emilio Nogales, Beatriz Rodríguez, G. Cristian Vásquez, Bianchi Méndez   +7 more
wiley   +1 more source

Tribological behaviour of alumina-based nanocomposites reinforced with uncoated and Ni-coated cubic boron nitride

Journal of Materials Research and Technology, 2019
Currently, there is a rising demand to develop composite materials with outstanding tribological properties along with excellent thermal-mechanical properties for harsh tribological applications.
Muhammad Umar Azam, Bilal Anjum Ahmed, Abbas Saeed Hakeem, Hafiz Muzammil Irshad, Tahar Laoui, Muhammad Ali Ehsan, Faheemuddin Patel, Fazal Ahmad Khalid   +7 more
doaj   +1 more source

The Analysis of the Transformation Mechanism of cBN Crystals with the First-Principle Calculation

Journal of Chemistry, 2020
To clarify the synthesis mechanism of cubic boron nitride (cBN) with catalysts at high temperature and high pressure, we calculate the surface energy of the main phases in the Li-N-B synthesis system using the first-principle method. Based on the density
Lichao Cai, Bin Xu, Meizhe Lv, Xiaohong Fan   +3 more
doaj   +1 more source

Sintering of low-melting glass powders and glass-abrasive composites [PDF]

Science of Sintering, 2003
Sintering of glass powders in Na2O-B2O3-SiO2 and PbO-ZnO-B2O3-SiO2 systems as well as of their mixtures has been studied. The process of sintering is shown to change because of crystallization of the glass of the PbO-ZnO-B2O3-SiO2 system.
Shilo A.E., Bondarev E.K., Kukharenko S.A.   +2 more
doaj   +1 more source

Polymorph‐Specific Electronic Transduction in WO3 during Molecular Sensing

Advanced Materials, EarlyView.
Metal‐oxide polymorphs with similar surface chemistry can nevertheless exhibit distinct sensing properties. In γ‐ and ε‐WO3, analyte adsorption appears comparable; yet, only ε‐WO3 induces a pronounced lattice electronic perturbation that accommodates charge in sub‐conduction band minimum states.
Matteo D'Andria, Meng Yin, Stefan Neuhauser, Vlasis G. Mavrantzas, Ying Chen, Ken Suzuki, Andreas T. Güntner   +6 more
wiley   +1 more source

Efficiency of face milling hardened steels with cubic boron nitride tools

Технічна інженерія
Face milling of hardened steels is an important process in modern mechanical engineering, as it allows achieving high precision and quality of machined surfaces of machine parts.
V.S. Antonyuk
doaj   +1 more source

Broadband Transmission Properties of cBN-Si Interfaces

IEEE Photonics Journal, 2021
We analyze the real and imaginary parts of cBN in a broad wavelength range both 0.5-1.0 µm and 1.36-10 µm respectively, and use both Fresnel theory and Meep software package to calculate the transmittance and reflectance.
Xicheng Xiong, Chun Jiang, Quan Xie
doaj   +1 more source