نتایج جستجو برای: green media
تعداد نتایج: 417065 فیلتر نتایج به سال:
A near-infrared chemosensor for palladium based on the Tsuji-Trost reaction was developed. It displayed specific and ratiometric fluorescent responses toward palladium with a distinct color change from green to blue in aqueous media. PEG400 was employed as the reducing agent and palladium ligand instead of water-insoluble triphenylphosphine. The chemosensor's bioimaging potential was demonstrat...
Zinc powder in aqueous alkaline media was employed to perform reductive amination of aldehydes with primary amines. The corresponding secondary amines were obtained in good yields along with minor amounts of hydrodimerization byproducts. The protocol is a green alternative to the use of complex hydrides in chlorinated or highly flammable solvents.
The three media as modified-Endo medium, neutral red-brilliant green, and the lead acetate Russell double sugar-have proved in our hands the best combination for the isolation and rapid differentiation of the various organisms belonging to the typhoid-dysentery group of bacilli.
In urban environments, green roofs provide a number of benefits, including decreased urban heat island effects and reduced energy costs for buildings. However, little research has been done on the non-plant biota associated with green roofs, which likely affect their functionality. For the current study, we evaluated whether or not green roofs planted with two native plant communities in New Yo...
(diacetoxyiodo)benzene has been used as an efficient catalyst for an improved and rapid one-pot synthesis of biscoumarin derivatives in excellent yield under reflux condition using water as a environmentally benign reaction medium. this aqua mediated knoevenagel condensation of various aromatic and hetero-aromatic aldehydes with 4-hydroxycoumarin using catalytic amount of (diacetoxyiodo)benzene...
Six selective media, namely xylose lysine desoxycholate agar (XLD), desoxycholate citrate agar (DCA), desoxycholate citrate lactose saccharose agar (DCLS), Salmonella Shigella agar (SS), bismuth sulphiteagar (BS) and brilliant green agar (BG), were compared for recovering Salmonella from pure cultures using the pour plate method. BS agar was superior to alt-the other agars in supporting growth ...
Computer images have three or four color channels, which are grayscale images representing the intensity of colored ink or light at particular places on the screen. These are RGB (Red-Green-Blue) for work that is intended to be shown by light emitting media such as monitors or projectors, and CMYK (Cyan-Magenta-Yellow-Black) for light absorbing media such as printed paper. An alpha channel is o...
Pollen plants from anther culture in rice breeding allows selection of fine strains in early generations. Exploitation of anther culture technique in research is limited due to very low regeneration frequency of indica cultivars and the transfer of anther culture traits from japonica to indica varieties is important in improving these rice varieties. In this study the optimization of media requ...
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