Search Results for "Different Ionic Forms Of Fluorescein"
Original Source: Effect of ionic liquid on prototropic and solvatochromic behavior of fluorescein.
The effect of a water-miscible room-temperature ionic liquid (IL), 1-butyl-3-methylimidazolium tetrafluoroborate ([bmim][BF(4)]), on the behavior of a common and popular probe fluorescein is assessed. Depending on solubilizing milieu and conditions, fluorescein may exist in one or more of its prototropic forms (cationic, neutral (zwitterionic, quinoid, and lactone), monoanionic (phenolate and carboxylate), and dianionic) in the solution. Information regarding the various prototropic forms of fluorescein in...
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It is estimated that about 100 million cases of infection by Dengue virus occur each year and that nearly half the world’s population is at risk of Dengue virus infection. At present, no vacci...
Vitamin B6 is a water-soluble vitamin that exists in three major chemical forms: pyridoxine, pyridoxal, and pyridoxamine. It is commenly used in the body as a co-enzyme, and thus regulates many of t...
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New insight into independent control of ionic, electronic conductivity of materials
Lawrence Livermore National Laboratory researchers have discovered a new method to independently control ionic and electronic conductivities in certain solids. The method, which uses tailored acceptor...
Type: Original PaperPurposeTo model the kinetics of penetration of fluorescein across the cornea from the endothelial surface.MethodsRabbit corneas mounted in vitro were exposed to fluorescein at thei...
Ionic liquids could aid in the delivery of active pharmaceutical compounds in the body
US scientists have provided a strategy to improve the properties of active pharmaceutical ingredients (APIs) by combining ionic liquids (used to improve the properties of solid APIs) with prodrugs (us...
New advance in biofuel production
(DOE/Lawrence Berkeley National Laboratory) Joint BioEnergy Institute researchers have developed an enzyme-free ionic liquid pretreatment of cellulosic biomass that makes it easier to recover fermenta...
Electronics: 'Cut and stick' ion gels
Ion gels are composites of ionic liquids and polymers. Free-standing forms of ion gels have now been made that can be neatly cut with a razor blade and stuck onto semiconductor materials to make trans...
Watch This: Super-Strong New Gel is Also Super-Stretchy | 80beats
The gel doing an impersonation of a trampoline in the video above is a new synthetic material from Harvard engineers, a substance that stretches to more than 20 times its length and can withstand mor...
Wound dressing containing ionic silver capable of killing multidrug-resistant organisms
ConvaTec, a world-leading developer and marketer of innovative medical technologies for community and hospital care, today announced in vitro study results showing that a wound dressing containing ion...
Forgotten Vital Stain Identifies Resistant TB
Vital staining with fluorescein diacetate stains only living Mycobacterium tuberculosis bacilli so that only those bacilli resistant to treatment are seen.
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Effect of ionic liquid on prototropic and solvatochromic behavior of fluorescein.
The effect of a water-miscible room-temperature ionic liquid (IL), 1-butyl-3-methylimidazolium tetrafluoroborate ([bmim][BF(4)]), on the behavior of a common and popular probe fluorescein is assessed....
Fluorescein Prototropism within Poly(ethylene glycol)s and Their Aqueous Mixtures.
Depending on the solubilizing milieu and conditions, fluorescein may exist in one or more of its many prototropic forms [cationic, neutral (zwitterionic, quinoid, and lactone), monoanionic (phenolate...
Carbon black (CB) nanoparticles modified with fluorescein, a highly fluorescent molecule, were prepared using a facile and efficient methodology. Simply stirring CB in aqueous solution containing fluo...
Size selective DNA transport through a nanoporous membrane in a PDMS microfluidic device.
A microfluidic counter current dialysis device for size based purification of DNA is described. The device consists of two polydimethylsiloxane (PDMS) channels separated by a track etched polycarbonat...
Toxin-antigen conjugates as selection tools for antibody producing cells.
The generation of antibodies with designated specificity requires cost-intensive and time-consuming screening procedures. Here we present a new method by which hybridoma cells can be selected based on...
