Reducing nitroarenes to amines without need for extreme conditions or toxic reagent production

[ad_1] TAS and light-induced electron paramagnetic resonance studies of the catalyst. a, Time-resolved transient absorption spectra of the CuFeS2 catalyst showing the optical density difference (ΔOD) as a function of wavelength at various time delays. b, Transient dynamics of the CuFeS2 PIA at 590 nm and photobleaching (PB) at 910 nm. c, Schematic representation of energy level…

New material prevents inexpensive catalysts from degrading — ScienceDaily

[ad_1] Engineers at the University of Illinois Chicago are among a collaborative team that has developed a material that could give fuel cell systems a competitive edge over the battery systems that currently power most electric vehicles. In contrast to lithium batteries, fuel cell technology relies on catalyst-driven chemical reactions to create energy. Lithium batteries…

Novel approach to enhance Bradyrhizobium diazoefficiens nodulation through continuous induction of ROS by manganese ferrite nanomaterials in soybean | Journal of Nanobiotechnology

[ad_1] Characterization of nanoparticles In this study, nanomaterials (MnO2 nanoparticles, M-NPs; Fe2O3 nanoparticles, F-NPs; and MnFe2O4 nanoparticles, MF-NPs) and conventional ionic materials (FeCl2 and MnCl2) were derived from ordinary commercial production. Nanomaterials were characterized accordingly. Scanning electron microscopy (SEM) (Fig. 1a) and transmission electron microscopy (TEM) (Additional file 1: Fig. S1) results indicated that nanomaterials used…

Novel charm of 2D materials engineering in memristor: when electronics encounter layered morphology

[ad_1] The family of two-dimensional (2D) materials composed of atomically thin layers connected via van der Waals interactions has attracted much curiosity due to a variety of intriguing physical, optical, and electrical characteristics. The significance of analyzing statistics on electrical devices and circuits based on 2D materials is seldom underestimated. Certain requirements must be met…

Influence of functionalized carbon flake on phase change characteristics of deionized (DI) water for cool thermal storage system: Fullerenes, Nanotubes and Carbon Nanostructures: Vol 0, No 0

[ad_1] Abstract The current work aims to study the influence of thermal-resistance (R) and the time constant (τ) in phase change properties of carbon flake-based phase change materials (CPCM) experimentally. The CPCMs were prepared using chemically functionalized graphene flake (f-GP) in three various mass fractions (0.25%, 0.50%, and 0.75%) suspended in deionized (DI) water. The…

Membranes that filter and destroy pollutants

[ad_1] Chronic exposure to trace micropollutants found in water, food and the environment poses a serious threat to public health and the economy. Indeed, some recalcitrant pesticides and hormones mimic neuronal receptors and can impair biological functions, causing cognitive and neuronal diseases. Removing and degrading these pollutants from the environment is challenging. Membrane technologies such…

Issue 71, October-November 2021 – Nanotech Magazine

[ad_1] Published 22nd November 2021, 23 pages In this issue: Latest nanotech investments, commercial agreements and rounds of finance, October 2021-November 2021. Latest nanotech product news, industrial collaborations and commercial agreements, October 2021-November 2021. Mass production of semiconductor SWCNT materials in South Korea. Processing plastic waste streams into hydrogen and carbon nanotubes. Nanofiber-based cell material…

the April 2022 issue of Physics World magazine is now out – Physics World

[ad_1] Time crystals, life as a tech founder and demons as teachers: the April 2022 issue of Physics World magazine is now out – Physics World Skip to main content More Toggle Menu MENU Open Search Dialog Close search menu Discover more from Physics World Copyright © 2022 by IOP Publishing Ltd and individual contributors…

Platform Measures Photocatalytic Capabilities of MOFs

[ad_1] In a study published recently in the journal Analytical Chemistry, to examine the fluid photocatalytic reactions of diverse metal-organic frameworks on-site, a three-dimensional (3D) shell-isolated nanoparticle-enhanced Raman spectroscopy (SHINERS) platform was constructed. Study: In Situ Monitoring of Dynamic Photocatalysis of Metal–Organic Frameworks by Three-Dimensional Shell-Isolated Nanoparticle-Enhanced Raman Spectroscopy. Image Credit: AnaLysiSStudiO/Shutterstock.com Traditional Disinfecting Procedures The presence…

Researchers synthesize carbon nanosolenoid with Riemann surfaces

[ad_1] Apr 02, 2022 (Nanowerk News) It is known that Albert Einstein constructed equations of general relativity by adopting Riemann geometry. In addition to the key role it played in mathematics and physics, Riemann geometry has provided predictions for the properties of curved carbon materials. However, synthesis of such complicated carbon materials with Riemann surfaces…

Light dependent atom clusters for sensing applications

[ad_1] Characterization of the cluster film fabricated by electrophoretic deposition (EPD). (a) Cross-sectional SEM image of the film deposited on an anodic substrate by EPD. (b) Observed and simulated electrospray ionization mass spectra for [{Mo6Bri8}Bra6-n(OH)an]2- ions with n = 0 (red line), 1 (blue line) and 2 (green line), and associated H2O adducts (gray line). c ATDs…

Process customizes one-, two- or three-element doping for applications — ScienceDaily

[ad_1] Flashing graphene into existence from waste was merely a good start. Now Rice University researchers are customizing it. The Rice lab of chemist James Tour has modified its flash Joule heating process to produce doped graphene that tailors the atom-thick material’s structures and electronic states to make them more suitable for optical and electronic…

Development of nanobody-horseradish peroxidase-based sandwich ELISA to detect Salmonella Enteritidis in milk and in vivo colonization in chicken | Journal of Nanobiotechnology

[ad_1] Materials and reagents The double blood bags used blood collection were obtained from Suzhou Laishi Transfusion Equipment Co., Ltd (Suzhou, China). The complete Freund’s adjuvant, incomplete Freund’s adjuvant and Amicon UltraCentrifugal Filter Units were procured from Sigma Aldrich (St. Louis, MO, USA). All the restriction enzymes utilized in the study were procured from New…

Supramolecular nanocapsules as two-fold stabilizers of outer-cavity sub-nanometric Ru NPs and inner-cavity ultra-small Ru clusters

[ad_1] The synthesis of metallic nanoparticles (MNP) with high surface area and controlled shape is of paramount importance to increase their catalytic performance. The detailed growing process of NP is mostly unknown and understanding the specific steps would pave the way for a rational synthesis of the desired MNP. Here we take advantage of the…

Research on the innovative pretreatment to improve the adhesion and performance of diamond coatings: Fullerenes, Nanotubes and Carbon Nanostructures: Vol 0, No 0

[ad_1] Abstract In order to improve the quality of diamond coatings, this paper combined the chemical etching and buffer layers to deal with cemented carbide with cobalt (Co) content of 8%. Diamond coatings were prepared with hot filament chemical vapor deposition (HFCVD). The surface morphology, quality and wear property were explored by using scanning electron…

Photocatalytic degradation of steroid hormone micropollutants by TiO2-coated polyethersulfone membranes in a continuous flow-through process

[ad_1] Escher, B. I., Stapleton, H. M. & Schymanski, E. L. Tracking complex mixtures of chemicals in our changing environment. Science 367, 388–392 (2020). CAS  Google Scholar  Johnson, A. C., Jin, X., Nakada, N. & Sumpter, J. P. Learning from the past and considering the future of chemicals in the environment. Science 367, 384–387 (2020)….

Issue 72 – Nanotech Magazine

[ad_1] Published February 2022, 25 pages In this issue: Latest nanotech investments, commercial agreements and rounds of finance, January-February 2022. Latest nanotech product news, industrial collaborations and commercial agreements, January-February 2022. Quantum dots for agriculture (Quantum dots start-up). Manufacturing process to produce carbon-based nanomaterials using CO2 and electricity (US start-up). Cellulose nanofiber coatings for food…

Extremely compressible photon gas confirms peculiar prediction of quantum theory – Physics World

[ad_1] Extremely compressible photon gas confirms peculiar prediction of quantum theory – Physics World Skip to main content More Toggle Menu MENU Open Search Dialog Close search menu Discover more from Physics World Copyright © 2022 by IOP Publishing Ltd and individual contributors bright-rec iop pub iop-science physcis connect [ad_2]

Strain Sensor Takes Inspiration from Spiderwebs and Scorpions

[ad_1] In a study published recently in the journal ACS Applied Materials & Interfaces, a strain detector inspired by nature was developed employing scorpions and spider webbing as coupling bioengineered concepts, which are well-known for their super sensitive sensory capability and architectural robustness. Study: Ultrasensitive, Highly Stable, and Flexible Strain Sensor Inspired by Nature. Image Credit: stephen…

Quantum ‘shock absorbers’ allow perovskite to exhibit superfluorescence at room temperature

[ad_1] Apr 02, 2022 (Nanowerk News) Semiconducting perovskites that exhibit superfluorescence at room temperature do so due to built-in thermal “shock absorbers” which protect dipoles within the material from thermal interference. A new study (Nature Photonics, “Room Temperature Superfluorescence in Hybrid Perovskites and Its Origins”) from North Carolina State University explores the mechanism involved in…