The emission energy, fluorescence quantum yield and lifetime exhibited a biphasic dependence on solvent polarity. In aprotic solvents, alcohols and in ethanol-water mixtures containing less than 40% water, quantum yields and lifetimes were high (approximately 0.55 and 8.5 ns respectively). In ethanol...
Describe electrolytes and non-electrolytes in terms of polarity. Give some examples. Define the term hydrophilic. Explain the purpose of the components of an acrylamide gel. Clearly and concisely define the terms and provide examples of halogens. ...
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Describe quenching, in regards to fluorimetry. What is the best definition of a precipitation reaction? Describe electrolytes and non-electrolytes in terms of polarity. Give some examples. Explain what is meant by the following statement: "Hydrates contain water in a stoichiometric quantity." Explain...
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Membrane traffic operates by vesicles that bud from precursor organelles and are transported to their target compartment where they dock and fuse. Targeting requires tethering factors recruited by small GTPases and phosphoinositides whereas fusion is car
Seveau S, Keller H, Maxfield FR, Piller F, Halbwachs-Mecarelli L (2000) Neutrophil polarity and locomotion are associated with surface redistribution of leukosialin (CD43), an antiadhesive membrane molecule. Blood 95: 2462–2470. Shelley CS, Da Silva N, Teodoridis JM (2001) During U937 ...
How do you determine the polarity of a substance? Provide a example. Explain why knowing the limiting and excess reagents at each point on the titration curve is important. Explain the concept of analytical chemistry. In organic chemistry, what is meant by titration? What is accuracy, precisi...
Nuclear magnetic resonance (NMR) spectroscopy is a powerful analytical method used to analyze the atomic and molecular structure, composition, and dynamics of molecules. It is a non-destructive approach used in chemistry, biology, and related sciences to learn about the characteristics of molecules. ...
Describe electrolytes and non-electrolytes in terms of polarity. Give some examples. Define inorganic chemistry and explain the fundamentals of inorganic chemistry. Define hydration. Explain why unsaturated hydrocarbons undergo hydrogenation. Give a detailed answer. What is the definition of a mixture? Gi...