نتایج جستجو برای: unsymmetrical molecule
تعداد نتایج: 135330 فیلتر نتایج به سال:
auto-reactive cells-mediated immune responses are responsible for the current tissue damages during autoimmunity. accordingly, functional modulation of auto-reactive cells has been a pivotal aim in many of recent studies. in the current study, we investigated the possibility for insertion of regulatory molecules onto auto-reactive cells through exosomal nano-shuttles as a novel approach for phe...
in the present paper, resonant frequencies and modes of a three-atom photonic molecule and a photonic crystal placed within a cavity are numerically calculated. first, governing formulation in transverse electric field mode (te) is obtained using maxwell equations. then, an algorithm based on a finite difference scheme and matrix algebra is presented. the algorithm is then implemented in a comp...
The mechanism that controls the self-assembly of complex polyoxometalate inorganic clusters in solution is a challenge because can contain anywhere from 6 to 368 metal ions single molecule and are commonly assembled under ʻone-potʼ reaction conditions. Furthermore, harnessing ʻself-assemblyʼ processes allows synthesis on length-scale with degree complexity which not easily accessed by more trad...
We present quantum phase transitions and critical phenomena at the large-dimension (D) limit for three-body ABA Coulomb systems with charges (Q, q, Q) and masses (M, m, M). The Hamiltonian depends linearly on two parameters λ = |Q/q| and κ = [1 + (m/M)]−1. The system exhibits critical points with mean field critical exponents (α = 0, β = 2 , δ = 3, γ = 1). We calculate the critical curve λc(κ) ...
In this issue of Chem Catalysis, Wang et al. report the synthesis 1,1-cyclopropanediesters promoted by a D2-symmetric chiral amidoporphyrin catalyst. The carbene transfer from unsymmetrical diazomalonates to large scope challenging alkenes occurred with high stereocontrol thanks efficiency Co(II)-based metalloradical catalytic system.
This paper presents the results of studies anti-seize properties (2,2-dimethyl-4-methylene1,3-dioxolane-allyl and benzyl)disulfides synthesized on basis 2,2-dimethyl-4-chloromethyl-1,3- dioxolane, sodium disulfide allyl benzyl chlorides, respectively, in composition transmission oils. The compounds are new not previously described literature, structure which has been proven by studying their ph...
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