نتایج جستجو برای: imidazole
تعداد نتایج: 6843 فیلتر نتایج به سال:
Imidazole molecules were frequently incorporated into porous materials to improve their proton conductivity. To investigate how different arrangements of imidazoles in metal-organic frameworks (MOFs) affect the overall proton conduction, we designed and prepared a MOF-based model system. It includes an Fe-MOF as the blank, an imidazole@Fe-MOF (Im@Fe-MOF) with physically adsorbed imidazole, and ...
Yoshioka, Yoshichika, Hiroshi Oikawa, Shigeru Ehara, Takashi Inoue, Akira Ogawa, Yoshiyuki Kanbara, and Manabu Kubokawa. Noninvasive measurement of temperature and fractional dissociation of imidazole in human lower leg muscles using H-nuclear magnetic resonance spectroscopy. J Appl Physiol 98: 282–287, 2005. First published September 24, 2004; doi:10.1152/japplphysiol. 00437.2004.—The temperat...
Recently initiated studies concerning surfacemodifications of poly(dimethylsiloxanes) usingmicrowave plasmonswere extended to polyurethane (PU) surfaces. However,when the same experimental conditions used in the closed and open flowmicrowave plasma reactorswere applied, no chemical bonding of imidazole molecules to PU surfaces was detected. In order to facilitate the imidazole-urethane surface ...
We address an original statistical method for unsupervised identification and concentration estimation of spectrally interfering gas components of unknown nature and number. We show that such spectral unmixing can be efficiently achieved using information criteria derived from the Minimum Description Length (MDL) principle, outperforming standard information criteria such as AICc or BIC. In the...
> introduction: escherichia coli is one of the important pathogens in human with global importance. because of the necessity for identification and the use of novel antibacterial compounds against e. coli , in this present study we focused on the antibacterial effects of synthesized thiazole, imidazole and tetrahydropyridine derivatives on e. coli . methods : for evaluation of antibacterial eff...
purpose: in this study, we have focused on antibacterial effect of newly synthesized thiazole, imidazole and tetrahydropyrimidine derivatives in iran on listeria monocytogenes. materials and methods: for evaluation of antibacterial effect, the disk diffusion method was applied to measure the growth inhibition zone diameter and broth micro dilution was performed to determine the minimum inhibito...
This study aimed to use an existing ligand (imidazole)-assisted 1H-nuclear magnetic resonance (1H-NMR) spectroscopy protocol determine sulfate content of seaweed sulfated saccharides. Twenty samples – spanning nine species and multiple geographic locations were analyzed. Extracts obtained by immersing freeze-dried seaweeds in boiling water, followed alginate precipitation. Remaining supernatant...
A series of N-substituted imidazole derivatives was synthesized. Imidazole nucleus was reacted with ethylchloroacetate to form imidazole ester. Reaction of the imidazole ester (I) with different amines yields the desired products (1a- 1e). The compounds were characterized by FT-IR, (1)H-NMR and mass spectra. The synthesized compounds were evaluated for the antimicrobial activity against Staphyl...
The imidazole ring in the title compound, C(27)H(22)N(8), adopts a slight envelope conformation with the C atom carrying the phenyl ring being the flap atom. The phenyl ring is almost perpendicular to the mean plane of the imidazole ring [dihedral angle = 88.90 (7)°]. The (1H-benzotriazol-1-yl)methyl groups bound to the imidazole ring are positioned on the same side of the imidazole ring. The d...
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