Plasmon-enhanced reverse water gas shift reaction over oxide supported Au catalysts
Visible light driven plasmon-enhanced reverse water gas shift reaction over Au/TiO 2 catalysts for CO 2 conversion.
Materials Literature
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Influence of temperature on the atmospheric corrosion of the Mg–Al alloy AM50
The effect of temperature on the NaCl-induced atmospheric corrosion of the Mg–Al alloy AM50 has been investigated in the laboratory. The corroded samples were analyzed gravimetrically and by SEM, EDX, XRD, and FTIR. The atmospheric corrosion of 99.97% Mg was also studied for reference. While the NaCl-induced atmospher…
Highly sensitive and selective detection of 2,4,6-trinitrophenol using covalent-organic polymer luminescent probes
We have synthesized two luminescent covalent-organic polymers (COPs), which could be considered as promising luminescent probes for highly sensitive and selective detection of nitroaromatic explosives, especially for 2,4,6-trinitrophenol.
Nature and Decay Pathways of Photoexcited States in CdSe and CdSe/CdS Nanoplatelets
The nature and decay dynamics of photoexcited states in CdSe core-only and CdSe/CdS core/shell nanoplatelets was studied. The photophysical species produced after ultrafast photoexcitation are studied using a combination of time-resolved photoluminescence (PL), transient absorption (TA), and terahertz (THz) conductivi…
Journal of Materials Science and Engineering A
The Journal of Materials Science and Engineering is an international, scholarly, and peer-reviewed journal (print and online) published monthly by David Publishing Company, USA which was founded in 2007. It provides an international medium for the publication of theoretical and experimental studies and reviews related…
Phytofabrication of nanoparticles through plant as nanofactories
In recent years, nanoscience and nanotechnology have emerged as a new area of fundamental science and are receiving global attention due to their extensive applications. Conventionally nanoparticles were manufactured by physical and chemical techniques. The recent development and implementation of new technologies hav…
One-pot fabrication of multifunctional superparamagnetic attapulgite/Fe 3 O 4 /polyaniline nanocomposites served as an adsorbent and catalyst support
Multifunctional superparamagnetic attapulgite/Fe 3 O 4 /polyaniline (APT/Fe 3 O 4 /PANI) nanocomposites have been fabricated by a one-pot process using Fe( iii ) as the oxidant for aniline and the precursor of Fe 3 O 4 in the presence of attapulgite.
Nanotechnology based approaches in cancer therapeutics
The current decades are marked not by the development of new molecules for the cure of various diseases but rather the development of new delivery methods for optimum treatment outcome. Nanomedicine is perhaps playing the biggest role in this concern. Nanomedicine offers numerous advantages over conventional drug deli…
Biobased Biodegradable Waterborne Hyperbranched Polyurethane as an Ecofriendly Sustainable Material
Research thrust to address the problems confronting the use of conventional polymers like high volatile organic compound (VOC) content still remains a challenge. In this context, the authors report the synthesis of a sustainable and biodegradable waterborne hyperbranched polyurethane (WHPU) using polyphenolic tannic a…
Diketopyrrolopyrrole‐Porphyrin Conjugates with High Two‐Photon Absorption and Singlet Oxygen Generation for Two‐Photon Photodynamic Therapy
Two-photon photodynamic therapy is a promising therapeutic method which requires the development of sensitizers with efficient two-photon absorption and singlet-oxygen generation. Reported here are two new diketopyrrolopyrrole-porphyrin conjugates as robust two-photon absorbing dyes with high two-photon absorption cro…
Evolution of proline biosynthesis: enzymology, bioinformatics, genetics, and transcriptional regulation
Proline is not only an essential component of proteins but it also has important roles in adaptation to osmotic and dehydration stresses, redox control, and apoptosis. Here, we review pathways of proline biosynthesis in the three domains of life. Pathway reconstruction from genome data for hundreds of eubacterial and…
Few-Layer Black Phosphorus Field-Effect Transistors with Reduced Current Fluctuation
We investigated the reduction of current fluctuations in few-layer black phosphorus (BP) field-effect transistors resulting from Al2O3 passivation. In order to verify the effect of Al2O3 passivation on device characteristics, measurements and analyses were conducted on thermally annealed devices before and after the p…
TiO2 nanoparticle biosynthesis and its physiological effect on mung bean (Vigna radiata L.)
TiO2 nanoparticle (NPs) biosynthesis is a low cost, ecofriendly approach developed using the fungi Aspergillus flavus TFR 7. To determine whether TiO2 NPs is suitable for nutrient, we conducted a two part study; biosynthesis of TiO2 NP and evaluates their influence on mung bean. The characterized TiO2 NPs were foliar…
Antibiofouling polymer interfaces: poly(ethylene glycol) and other promising candidates
This review highlights antibiofouling polymer interfaces with emphasis on the latest developments using poly(ethylene glycol) and the design new polymeric structures.
Shape Evolution of Monolayer MoS 2 Crystals Grown by Chemical Vapor Deposition
Atmospheric-pressure chemical vapor deposition (CVD) is used to grow monolayer MoS 2 two-dimensional crystals at elevated temperatures on silicon substrates with a 300 nm oxide layer. Our CVD reaction is hydrogen free, with the sulfur precursor placed in a furnace separate from the MoO 3 precursor to individually cont…
Molecular Understanding and Design of Zwitterionic Materials
Zwitterionic materials have moieties possessing cationic and anionic groups. This molecular structure leads to unique properties that can be the solutions of various application problems. A typical example is that zwitterionic carboxybetaine (CB) and sulfobetaine (SB) materials resist nonspecific protein adsorption in…
Addition of Ge to the H-Si-C chemical system during SiC epitaxy
In this work, addition of GeH4 gas to the classical SiH4+C3H8 precursor system is reported for the epitaxial growth of SiC by chemical vapor deposition. The main objective of this fundamental study is to explore the influence of Ge presence within SiC lattice or at its surface on the overall growth mechanism and the g…
Existence d'une lacune de miscibilité dans le ternaire U-Nd-O et son lien avec la structure HBS du combustible nucléaire irradié
L'energie nucleaire constitue aujourd'hui une partie importante de la production d'electricite dans le monde, notamment en France. Dans les reacteurs nucleaires, le combustible le plus utilise est le dioxyde d'uranium. Dans cette these, nous nous interessons plus particulierement aux modifications de la structure cris…
Synthesis, structural studies and catalytic applications of Organo-Polyoxometalate
Les polyoxométallates suscitent un intérêt de plus en plus grand et ceci dans des domaines d’applications variés. Nous avons synthétisé quatre nouvelles familles organiques de polyoxométallates utilisables en catalyse et en biochimie. Différentes séries d’hybrides covalents ont en effet été isolés et utilisés en tant…
Etude de propriétés de particules supersymetriques et développements d’une Chambre à Projection Temporelle pour l’ILC (International Linear Collider)
Le collisionneur linéaire international (ILC) est prévu pour être le prochain grand projet de la physique des hautes énergies. ILC est proposé avec deux détecteurs, International Large Detector (ILD), et Silicon Detector (SID). Cette thèse s’est déroulée dans le cadre de l'ILD. L'un des principaux composants du détect…