Ecofriendly procedure for silver–silver chloride nanoparticle synthesis with different reaction parameters tested.

A new method has been developed to prepare exfoliated poly(methyl methacrylate)/clay nanocomposites by in situ polymerization of methyl methacrylate (MMA) the presence triethylaluminum (TEA)-modified clay. The dispersed behavior clay PMMA matrix is identified using X-ray diffraction (XRD), transmission electron microscopy (TEM), and UV/vis spectroscopy. PMMA/clay are found retain over 80% transparency, important for optical applications. Compared neat PMMA, all these show enhancement glass...

Advancements in metal nanoparticle synthesis using plant extracts and their anticancer activity have received significant attention recent years. The green approach for the of gold nanoparticles (AuNPs) leaf extract Sasa borealis is reported this study. Synthesis AuNPs was performed at 50 °C, formation observed after 20 min incubation. confirmed by UV-visible spectrum peak 542 nm. synthesized were oval, spherical with sizes around 10-30 nm transmission electron microscope. Energy dispersive...

This study aims to prepare a supported catalyst based on zeolite Y doped with NaOMe (sodium methoxide) for the transesterification of waste cooking oil (WCO). The catalytic screening data showed that NaOMe/zeolite is prominent WCO prepared by solvent-free, ball-milling process. We initially tested 5–20% sodium methoxide loading onto and found 20% optimum reaction. reaction required comparatively lower methanol-to-oil mole ratio 16:1 temperature as 60 °C. ball-milled was characterized BET...

In the present work, we used doxycycline hyclate (DX) and tetramethylguanidine (TMG) for synthesis of silver–silver chloride nanoparticles (DX-Ag–AgCl NPs) as a simple method production (NPs). A new DX-Ag–AgCl NPs in aqueous medium, using DX TMG reducing stabilizing agent, is reported. were characterized by transmission electron microscopy. The elemental composition crystalline nature synthesized determined energy-dispersive X-ray (EDX) spectroscopy diffraction (XRD) analysis, respectively....

Abstract Combinatorial technology has been evaluated as the revolutionary approach to overcome limitation of conventional research and advance in development novel materials catalysts. For past decade, because library synthetic method characterization tools, combinatorial high‐throughput methodology surprisingly matured nowadays extended discovering olefin polymerization However, despite such an advance, did not keep pace with increase density limited application technology. Therefore,...

Poly(methyl methacrylate)/multiwalled carbon-nanotube (PMMA/MWNT) nanocomposites were prepared via in situ polymerization induced by nickel(II) acetylacetonate/methylaluminoxane ([Ni(acac)2]/MAO) catalyst. The incorporation of the MWNT into PMMA increased glass transition temperature and thermal decomposition temperature. solution-casted films dissolved methylene chloride exhibited very high transparency. introduction decreased syndiotacticity resultant PMMA. storage modulus composite...

We developed a series of nonchelated monodentate benzimidazole nickel complexes, bis[2-(2,6-difluorophenyl)-1H-benzimidazole]nickel(II) dibromide (1), bis[1-(2,6-difluorobenzyl)-2-(2,6-difluorophenyl)-1H-benzimidazole]nickel(II) (2), bis[2-methyl-1H-benzimidazole]nickel(II) (3), and bis[1-(2-methoxybenzyl)-2-(2-methoxyphenyl)-1H-benzimidazole]nickel(II) (4), upon activation with methylaluminoxane (MAO), which are found to be highly active for vinyl polymerization norbornene (Nb). The...

In this work, a new metal-to-metal charge transfer (MMCT) heterogeneous catalyst (Nb–O–Mo) was synthesized by chemical grafting method under an inert atmosphere. The activity of the covalently anchored oxo-bridged Nb–O–Mo estimated for decolorization Rh B, congo red, and crystal violet dyes in aqueous solution fluorescent light. characterized via X-ray diffraction, scanning electron microscopy with energy-dispersive spectrometer, Fourier-transform infrared, FT-Raman. catalytic evaluated from...

Abstract Poly(methyl methacrylate)(PMMA)/clay nano‐composites were successfully prepared by a new method, in situ polymerization initiated with nickel(II) acetylacetonate [Ni(acac) 2 ] catalyst combination methylalumoxane (MAO). The synthesized PMMA/clay nanocomposites materials subsequently investigated through series of characterization techniques. A partially‐exfoliated and partially intercalated structure was confirmed X‐ray diffraction (XRD) transmission electron microscopy (TEM)....

Abstract Polyethylene(PE)/clay nanocomposites have been successfully prepared by in situ polymerization with an intercalation catalyst titanium‐montmorillonite (Ti‐MMT) and analyzed X‐ray diffraction analysis (XRD), Fourier transform infrared (FT‐IR), Transmission electron microscopy (TEM), differentail scanning calorimetry (DSC), thermal gravimetric (TGA) tensile testing. XRD TEM indicate that the clay is exfoliated into nanometer size disorderedly dispersed PE matrix, crystallinity of...

In this study, the synthesis of a novel catalyst WO3/MoCl5 was carried out by thermal method. The method gave an entirely different product compared to previous studies that doped Mo on surface semiconductor metal oxides. degradation reaction crystal violet (CV) and rhodamine B (RB) dye were done without any energy source. results showed incomparably superior result for degradation, with rate constant 1.74 s−1 30 ppm CV, 1.08 RB, higher value than 1 both cases 50 solution. To author’s...

Abstract In this study, we synthesized the cobalt(II) chelation free complexes ( 1 – 3 ) with general formula of [CoCl 2 L ] containing monodentate ligands (L=2‐methylbenzimidazole L1 ), 2‐methylbenzoxazole L2 and 2‐methylbenzothiazole L3 fully characterized by UV‐vis, FT‐IR spectroscopy, crystal structures were determined X‐ray crystallography. Complexes showed substantial antibacterial activity against tested bacteria. more active S. aureus Minimum Inhibitory concentration (MIC) value 12.5...

Abstract Poly(methyl methacrylate) (PMMA)/single‐walled carbon nanotube (SWNT) composites were synthesized by the grafting of PMMA onto sidewalls SWNTs via in situ radical polymerization. The free‐radical initiators covalently attached to a well‐known esterification method and confirmed means thermogravimetric analysis Fourier transform infrared spectroscopy. Scanning electron microscopy transmission used image PMMA–SWNT composites; these images showed presence polymer layers on surfaces...

In this study, we attempted to synthesize visible light active nano-sized photocatalysts using metal oxides such as zinc oxide, zirconium tungsten and strontium titanium oxide with (MoCl5)2 a dopant by the simple ball-milling method. Fourier-transform infrared spectroscopy data confirmed presence of M-O-Mo linkage (M = Zn, Zr, W, SrTi) in all molybdenum-doped (MoMOs), but only MoZnO inhibited growth bloom-forming Microcystis aeruginosa under concentration-dependent manner up 10 mg/L....

Abstract Summary: A novel non‐metallocene Zr(IV) complex bearing a bianionic form of the ligand 2,6‐bis(2‐benzimidazolyl)pyridine is synthesized. This Zr an active catalyst for polymerization MA via coordination in presence methylaluminoxane MAO. The activity and MWD are increased as temperature increases. maximum observed at Al/Zr molar ratio 100 deactivation shown above 100, resulting from inactive bimetallic between free TMA presented Decrease with higher MAO concentration due to its role...

Many studies have been conducted on the transduction efficiency of recombinant adeno-associated virus (rAAV) depending serotype and genome structure, such as single-stranded (ss) self-complementary (sc). To understand variation in therapeutic efficacy, we focused investigating subcellular distribution viral rAAV structure. It is critical to ascertain location within host cell after entry because a larger amount placed nucleus facilitates replication by utilizing cell's system, thereby...