The enzymatic resolution of (R, S)-1-phenylethanol was carried out in various organic solvents. Two commercial immobilized lipases, such as ChiroCLEC-PC and Chirazyme L2, c.f., C3, lyo used in this study could exhibit the highest performance in isooctane. The effects of initial water content on the activity and enantioselectivity of the enzymes were also investigated. The method of direct conta...

We study a ground state of a non local Schrödinger operator associated with an evolution equation for the density of population in the stochastic contact model in continuum with inhomogeneous mortality rates. We found a new effect in this model, when even in the high dimensional case the existence of a small positive perturbation of a special form (so-called, small paradise) implies the appeara...

A naturalistic experiment was conducted to test the hypothesis that synchronous computer-mediated communication (CMC) can indirectly improve L2 oral proficiency by developing the same cognitive mechanisms underlying spontaneous conversational speech. The theoretical framework guiding this inquiry consists of Levelt’s (1989) model of language production augmented by concepts from Working Memory ...

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Anion complexation properties of two new tripodal amide receptors have been extensively studied here. Two tripodal receptors have been synthesized from the reaction of cyanobenzoyl acid chloride with two tri-amine building blocks such as (i) tris(2-aminoethyl)amine and (ii) tris(2-(4-aminophenoxy)ethyl)amine, which resulted in the first (L1) and second (L2) generation tripodal amides respective...

We study the evolution of a system of M particles in contact with a large reservoir of N >> M particles. The reservoir is initially in equilibrium at temperature T = β−1. The evolution of the system and reservoir is described via a suitable Kac-style collision process. We show that for large N, this evolution can be effectively described by replacing the reservoir with a Maxwellian thermostat a...

Cathode electrodes of the Si(Li) detector elements of the SIXA X-ray spectrometer array are formed by gold-palladium alloy contact layers. The equivalent thickness of gold in one element was measured by observing the characteristic L-shell X-rays of gold excited by monochromatised synchrotron radiation with photon energies above the L3 absorption edge of gold. The results obtained at 4 differen...

the current study examined the correlation among iranian efl learners’ emotional intelligence (ei), critical thinking (ct) ability, and l2 vocabulary knowledge (vk). to this end, surveys were administered to 75 iranian advanced efl participants. analyses of the data revealed a mutual relationship between the iranian efl learners’ ei and their l2 vk. similarly, a positive correlation was found b...

The Drosophila IMP-L2 gene was identified as a 20-hydroxyecdysone-induced gene encoding a membrane-bound polysomal transcript. IMP-L2 is an apparent secreted member of the immunoglobulin superfamily. We have used deficiencies that remove the IMP-L2 gene to demonstrate that IMP-L2 is essential in Drosophila. The viability of IMP-L2 null zygotes is influenced by maternal IMP-L2. IMP-L2 null proge...