Biobased carbon materials (BBC) obtained from Norway spruce (Picea abies Karst.) bark was produced by single-step chemical activation with ZnCl2 or KOH, and pyrolysis at 800 °C for one hour. The reagent had a significant impact on the properties of BBCs. KOH-biobased material (KOH-BBC) higher specific surface area (SBET), equal to 1067 m2 g?1, larger pore volume (0.558 cm3 g?1), more mesopores,...

Transformation of tetra(4-cyanophenyl)ethylene under Lewis acidic (ZnCl2) conditions at 400 °C leads to the formation of a porous covalent triazine-based organic framework (CTF) with a high surface area (2235 m(2) g(-1)), high CO2 and CH4 uptakes and the highest hydrogen uptake for a CTF material (1.86 wt% at 77 K, 1 bar).

A mesoporous activated carbon (MAC) was synthesized from waste tires rubber (WTR) via a one-step ZnCl2/FeCl3 activation route, and the typical sample implemented in eliminating Eriochrome Black-T (EBT) dye Cr(VI) their synthetic effluents. The impact of impregnation ratio ZnCl2/FeCl3, temperature, period optimized . best AC created at 750°C for 60 minutes using 2:1 ZnCl2/FeCl3:WTR ratio. This a...

The coupling of acetals with various alkynes was achieved using only 1 mol% of inexpensive and mild Lewis acid ZnCl2, which furnished propargyl ethers. The coupling was catalyzed by Zn(OMe)Cl, which was generated in situ to form an alkynylzinc species. This protocol was allowed to expand to a one-pot subsequent reaction with allylchlorosilane to obtain a 1,4-enyne product.

An unprecedented cyclopropenation reaction of alkynes catalyzed by ZnCl2 is reported. While Simmons-Smith-type carbenoids failed in the [2 + 1]-cycloaddition with alkynes, the use of enynones as the carbene source enables the preparation of substituted 2-furyl cyclopropene derivatives with remarkable scope.

Özellikler gazlar ve sıvıların zararlı içeriklerinin uzaklaştırılmasında diğer birçok alanda yaygın olarak kullanılan aktif karbonlar, taşıdıkları özellikleri nedeniyle önemli ithalat kalemlerinden birini oluşturmaktadır. Benzer özelliklerdeki karbonların ucuz, kolay temin edilebilen bol miktardaki çeşitli organik kökenli hammaddelerden üretilmesi ülke ekonomisine katkılar sağlayacağı öngörülme...

Dietary zinc is an important trace element in the body and is related to both cell proliferation and growth arrest. A recent study found that extracellular zinc-sensing receptors trigger intracellular signal transduction in HT-29 human colorectal cancer cells. However, the signaling mechanism causing this growth regulation by extracellular zinc is not clearly understood. At 10- and 100-microM l...

It has been shown previously that the IFN-induced enzyme 2-5A synthetase is sufficient to induce antiviral and antiproliferative effects in transfected cells expressing the protein. In this study, the possibility that this enzyme is also essential in generating these biological activities was investigated. For this purpose, a plasmid, pMSas-NEO, was constructed. This plasmid carries an active n...