نتایج جستجو برای: ionic dye

تعداد نتایج: 85813  

Journal: :Colloids and interfaces 2023

A novel electrophoretic separation technique is presented, where continuous demonstrated using free flowing liquid foams. Continuous foam electrophoresis combines the principle of capillary and interactions between analytes electrical double layer, with ability Free Flow Electrophoresis to continuously separate recover automatically. used provide a network deformable micro nano channels high su...

2012
Michael D. McGehee

162 nature photonics | VOL 6 | MARCH 2012 | www.nature.com/naturephotonics Dye-sensitized solar cells (DSCs) are attractive because they are made from cheap materials that do not need to be highly purified and can be printed at low cost1. DSCs are unique compared with almost all other kinds of solar cells in that electron transport, light absorption and hole transport are each handled by differ...

Journal: :ACS nano 2010
Duane E Prasuhn Anne Feltz Juan B Blanco-Canosa Kimihiro Susumu Michael H Stewart Bing C Mei Aleksey V Yakovlev Christina Loukov Jean-Maurice Mallet Martin Oheim Philip E Dawson Igor L Medintz

The nanoscale size and unique optical properties of semiconductor quantum dots (QDs) have made them attractive as central photoluminescent scaffolds for a variety of biosensing platforms. In this report we functionalize QDs with dye-labeled peptides using two different linkage chemistries to yield Förster resonance energy transfer (FRET)-based sensors capable of monitoring either enzymatic acti...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1391

we have two part in this thesis, at first: the interaction of native calf thymus dna (ct-dna) with two anthraquinones including quinizarin (1,4- dihydroxy anthraquinone) and danthron (1,8- dihydroxy anthraquinone) in a mixture of 0.04 m brittone-robinson buffer and 50% of ethanol were studied at physiological ph by uv-vis absorption, florescence, circular dichroism spectroscopic methods, viscos...

The reduction capacity of ammonia while present even at ppm level can be demonstrated by the increased encounter probability between ammonia and methylene blue dye (MB+) incorporated in nanomordenite and Na-MOR zeolites. The rate of reduction methylene blue dye by ammonia on the surface nanomordenite zeolite is faster than Na-mordenite (Na-MOR) zeolite.Because nanomordenite zeolite with high si...

2007
Thomas Bein Christoph Bräuchle

This thesis is focused on the formation of highly ordered mesoporous structures with adjustable orientation within the ordered, vertical channels of anodic alumina membranes (AAMs) under the conditions of the ‘evaporation-induced self-assembly’ (EISA) method. It is shown that three of the most often used structure directing agents (CTAB, Pluronic123 and Brij56) can be employed for the synthesis...

2012
Priti S. Mohanty Anand Yethiraj Peter Schurtenberger

Ionic PNIPAm microgels were synthesized by free-radical precipitation polymerization using 2-acrylamido-2-methyl-1-propanesulfonic acid as an ionic co-monomer (references 7 and 9 of the paper), and fluorescently labelled with the covalently linked dye methacryloxyethyl thiocarbamoyl rhodamine B. N, N-methylene-bis-acrylamide was used as a cross-linker (with a 2.74 mol% cross-link density) and p...

Vacuum dried Metronidazole hydrochloride (MTZ) loaded Crosslinked polymeric blend of Poly(vinyl)alcohol (PVA) and Gelatin(GE) in different ratios by 30 freeze/thaw cycles (FTC) tested for stimuli sensitivity and crosslinking at various pH, temperature, ionic concentration and oscillatory test along with dye absorption test showed maximum swelling in alkaline pH and decreased swelling with incre...

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