نتایج جستجو برای: erythrosine b dye
تعداد نتایج: 935896 فیلتر نتایج به سال:
In this paper, by capitalizing on z-scan technique and using cw He–Ne laser at 632.8 nm, we investigated the impact of added MgO nanoparticles nonlinear optical properties 6CHBT liquid crystal which was doped with Sudan black B dye. The applied cell had homogeneous alignment. were to 0.3 wt.% dye three concentrations 0.1, 0.6 wt.%. It found that did not significantly change refractive index com...
Halogenation of organic compounds plays diverse roles in biochemistry, including selective chemical modification of proteins and improved oral absorption/blood-brain barrier permeability of drug candidates. Moreover, halogenation of aromatic molecules greatly affects aromatic interaction-mediated self-assembly processes, including amyloid fibril formation. Perturbation of the aromatic interacti...
Abstract. Thermal lens signals in solutions of rhodamine B laser dye in methanol are measured using the dual beam pump-probe technique. The nature of variations of signal strength with concentration is found to be different for 514 and 488 nm Ar + laser excitations. However, both the pump wavelengths produce an oscillatory type variation of thermal lens signal amplitude with the concentration o...
Though an important and chronic source of dyes released to the environment, determination release that occurs during household or industrial washing is usually disregarded. The main scope this study reveal extent dye through washing, understand if modification cotton fabrics with cationic polymers could reduce it. Modified fabrics, dyed Acid Blue 281 (AB) by a mixture reactive Novacron Yellow S...
Figure 1: Reynolds’ 1883 experiment, still operating at the University of Manchester, UK. Water flows down a long pipe and ink is introduced at the pipe centerline. On the right are the original drawings showing the dye filament in laminar flow (a), and the rapid mixing of the dye and water when the Reynolds number is larger than about 2000 in (b). (c) shows details of vortical structures in tu...
Multiple myeloma is basically an incurable cancer. Most patients respond initially to chemotherapy with reduction in bone marrow (BM) plasma cells and monoclonal Ig levels, but the disease nearly always recurs and becomes refractory to therapy. The objective of this study was to characterize the expression of the multidrug transport pump, P-glycoprotein 170 (P-gp), in myeloma. The great majorit...
Abstract Basic Brown 16 pigment and three types of surfactants were used to prepare the cationic, nonionic, anionic basic hair dyes. White bleached dyed using dyes shampooed 10 times acidic, neutral, alkaline shampoos prepared in study. with dye resulted a lower L *, b * values K/S compared cationic nonionic results statistically significant at α = 0.05. Hair showed significantly higher Δ E ab ...
Photosensitive dyes representative of the thiazines, xanthenes, acridines, and phenazines mediated phototoxicity in Escherichia coli B. The observed phototoxicity was sensitizer-, light-, and oxygen-dependent and is therefore a photodynamic effect. Hydroxyl radical scavengers conferred protection against the photodynamic action of all of the representative dyes. The extent of protection was dep...
This paper reports a morphological transition of the spherical colloidal structures of the sodium dodecyl sulfate-polyethylene-b-polyethylene glycol (SDS-PE-b-PEG) complex and anionic micelle (SDS) to "rod-shaped" colloidal structures induced by a charge transfer dye, 1,8-naphthalimide (NAPMD) (forms anions in aqueous solution by intermolecular charge transfer). The distinct steady-state result...
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