Reply to Comment on "Hypersensitive Luminescence of Eu3+ in Dimethyl Sulfoxide As a New Probing for Water Measurement"

04:36 EDT 19th May 2013 | BioPortfolio

Summary of "Reply to Comment on "Hypersensitive Luminescence of Eu3+ in Dimethyl Sulfoxide As a New Probing for Water Measurement""

Luminescence of rare earth ions in dimethyl sulfoxide (DMSO) has been recently observed and reported by our group.1, 2 Potentially, luminescence of rare earth/DMSO compounds has many applications including the probing of trace water in organic solvents like DMSO. The measurement based on the relative intensity changes in two peaks is more reliable and selective than using the intensity change of only one emission peak. Both measurements based on intensity and lifetime changes have advantages and disadvantages. Techniques based on luminescence intensity changes are easy, fast, convenient and cost-effective. Decay lifetime-based measurement is complimentary to intensity-based detection; however, it will likely never replace intensity-based techniques for practical applications.

Journal Details

Name: Analytical chemistry
ISSN: 1520-6882
Pages:

Medical and Biotech [MESH] Definitions

Dimethyl Sulfoxide

A highly polar organic liquid, that is used widely as a chemical solvent. Because of its ability to penetrate biological membranes, it is used as a vehicle for topical application of pharmaceuticals. It is also used to protect tissue during CRYOPRESERVATION. Dimethyl sulfoxide shows a range of pharmacological activity including analgesia and anti-inflammation.

Water Movements

The flow of water in enviromental bodies of water such as rivers, oceans, water supplies, aquariums, etc. It includes currents, tides, and waves.

Byssinosis

A condition of BRONCHOCONSTRICTION resulting from hypersensitive reaction to inhaled dust during the initial processing of cotton, flax, or hemp in the textile industry. Symptoms include wheezing and tightness in the chest.

Water Pollutants

Substances or organisms which pollute the water or bodies of water. Use for water pollutants in general or those for which there is no specific heading.

Water Purification

Any of several processes in which undesirable impurities in water are removed or neutralized; for example, chlorination, filtration, primary treatment, ion exchange, and distillation. It includes treatment of waste water to provide potable and hygiene water in a controlled or closed environment as well as provision of public drinking water supplies. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)

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Comment on "Hypersensitive Luminiscence of Eu3+ in Dimethyl Sulfoxide As a New Probing for Water Measurement"

In recent paper, M. Yao and W. Chen, have shown determination of water traces in dimethyl sulfoxide. The described method is interesting, but in our opinion, can be fully replaced by another method us...

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Dimethyl sulfoxide (DMSO) has the ability to penetrate living tissues without causing significant damage. Of foremost importance to our understanding of the possible functions of DMSO in biological sy...

Probing thermal interactions of ionic liquids with dimethyl sulfoxide.

Interactions between ionic liquids and dimethyl sulfoxide (DMSO) are probed by isothermal titration calorimetry. The excess partial molar enthalpies of ionic liquids ${H_{{\rm{IL}}}^{\rm{E}} }$ in DMS...

Effects of ethanol and dimethyl sulfoxide on the molecular organization of h(2)o as probed by 1-propanol.

We characterized the effects of ethanol (ET) and dimethyl sulfoxide (DMSO) on H(2)O within a limited H(2)O-rich region by the 1-propanol (1P)-probing methodology developed by us earlier. The results a...

Interactions of nonprotic organic solvents with val(5)Angiotensin in water.

Intermolecular solvent-solute nuclear Overhauser effects have been used to explore interactions of the organic component of acetonitrile-water, acetone-water, and dimethyl sulfoxide-water mixtures wit...

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