نتایج جستجو برای: compound enhancement

تعداد نتایج: 253678  

Journal: :The journal of physical chemistry. B 2011
Xiqi Zhang Zhenguo Chi Jianyong Zhang Haiyin Li Bingjia Xu Xiaofang Li Siwei Liu Yi Zhang Jiarui Xu

A fluorescent compound, 9,10-bis(2-(10-hexyl-10H-phenothiazin-3-yl)vinyl) anthracene, has been synthesized and studied. The results show that the compound possesses piezofluorochromic properties as well as aggregation-induced emission enhancement effect. The spectroscopic properties and morphological structures are reversibly exhibited upon pressing (or grinding) or annealing (or fuming). The p...

Journal: :Physical review letters 2004
S Süllow I Maksimov A Otop F J Litterst A Perucchi L Degiorgi J A Mydosh

We present a detailed study of the electronic transport properties on a single crystalline specimen of the moderately disordered heavy-fermion system URh2Ge2. For this material, we find glassy electronic transport in a single crystalline compound. We derive the temperature dependence of the electrical conductivity and establish metallicity by means of optical conductivity and Hall effect measur...

2006
Wei Tan Zhuo Wang Deqing Zhang Daoben Zhu

A new saccharides sensor based on the TTF-anthracene dyad with two boronic acid (2) groups was designed and synthesized. This new saccharides sensor shows selectivity towards D-glucose while its analogue with one boronic acid group (1) was reported to bind D-Fructose selectively. Moreover, reaction of compound 2 with uridine induced even larger fluorescence enhancement under the same condition.

Journal: :Molecular pharmacology 2007
Andréia Cristina Karklin Fontana Renê de Oliveira Beleboni Marcin Wlodzimierz Wojewodzic Wagner Ferreira Dos Santos Joaquim Coutinho-Netto Nina Julie Grutle Spencer D Watts Niels Christian Danbolt Susan G Amara

Previous studies have shown that a compound purified from the spider Parawixia bistriata venom stimulates the activity of glial glutamate transporters and can protect retinal tissue from ischemic damage. To understand the mechanism by which this compound enhances transport, we examined its effects on the functional properties of glutamate transporters after solubilization and reconstitution in ...

Journal: :J. UCS 2011
Wynand J. C. van Staden Martin S. Olivier

This paper puts forward a verification method for compound purposes and compound reasons to be used during purpose limitation. When it is absolutely necessary to collect privacy related information, it is essential that privacy enhancing technologies (PETs) protect access to data – in general accomplished by using the concept of purposes bound to data. Compound purposes and reasons are an enhan...

Journal: :Zeitschrift fur Naturforschung. C, Journal of biosciences 2006
Ali Fakhimi Mehrdad Iranshahi Seyed Ahmad Emami Esam Amin-Ar-Ramimeh Gholamreza Zarrini Ahmad Reza Shahverdi

In this study the enhancement effect of Sophora pachycarpa roots' acetone extract on the antibacterial activity of gentamycin was evaluated against Staphylococcus aureus. Disc diffusion and broth dilution methods were used to determine the antibacterial activity of gentamycin in the absence and presence of plant extract and its various fractions separated by TLC. A clinical isolate of S. aureus...

2014
Anna Company Gerard Sabenya María González-Béjar Laura Gómez Martin Clémancey Geneviève Blondin Andrew J. Jasniewski Mayank Puri Wesley R. Browne Jean-Marc Latour Lawrence Que Miquel Costas Julia Pérez-Prieto Julio Lloret-Fillol

The preparation of [Fe(IV)(O)(MePy2tacn)](2+) (2, MePy2tacn = N-methyl-N,N-bis(2-picolyl)-1,4,7-triazacyclononane) by reaction of [Fe(II)(MePy2tacn)(solvent)](2+) (1) and PhIO in CH3CN and its full characterization are described. This compound can also be prepared photochemically from its iron(II) precursor by irradiation at 447 nm in the presence of catalytic amounts of [Ru(II)(bpy)3](2+) as p...

Journal: :Tree physiology 1997
D Syamsuwida J N Owens

Small Shorea stenoptera Burck. (Dipterocarpaceae) trees of reproductive age growing in an arboretum in west Java were studied to determine the pattern of vegetative shoot development, the time and method of floral initiation and the effect of paclobutrazol on floral enhancement. Vegetative buds were enclosed by two stipules between which was a leaf primordium, a small axillary vegetative bud an...

Journal: :Symmetry 2021

Deep neural networks have been applied for speech enhancements efficiently. However, large variations of patterns and noisy environments, an individual network with a fixed number hidden layers causes strong interference, which can lead to slow learning process, poor generalisation in unknown signal-to-noise ratio new inputs, some residual noise the enhanced output. In this paper, we present ap...

Journal: :The Journal of biological chemistry 1989
V Palaniappan J Terner

Resonance Raman enhancement of derivatives and intermediates of horseradish peroxidase in the near ultraviolet (N-band excitation) results in intensity and enhancement patterns that are different from those normally observed within the porphyrin Soret (B-band) and alpha-beta (Q-band) absorptions. In particular it allows the resolution of resonance Raman spectra of horseradish peroxidase compoun...

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