The invention relates to a process for preparing unipolar cation-conducting ionomers from fluoro ionic monomers, to said unipolar cation-conducting ionomers, to the uses thereof, to an electrolytic composition comprising at least one of said unipolar cation-conducting ionomers and to an electrochemical device comprising at least one of said unipolar cation-conducting ionomers, especially as electrolyte.

A method of measuring nitrate concentration in an aqueous sample include mixing the aqueous sample with a water-soluble thioether compound including a chromophore group in the presence of a water soluble catalyst; measuring a color change, and correlating the color change to nitrate concentration.

A method of measuring nitrate concentration in an aqueous sample include mixing the aqueous sample with a water-soluble thioether compound including a chromophore group in the presence of a water soluble catalyst; measuring a color change, and correlating the color change to nitrate concentration.

The present invention provides a carboxyl sulfonate compound and preparation method thereof. The present carboxyl sulfonate compound has structure of formula (A): ##STR00001##
wherein M.sub.1 is hydrogen or an alkali metal; M.sub.2 is hydrogen, alkyl or an alkali metal; Y is hydrogen, alkyl; carboxyl, carboxyl salt; alkylcarboxyl, or alkylcarboxyl salt; n is an integer from 1 to 10; and m is an integer from 1 to 10. The carboxylic group and the sulfonic acid group in the structure of the present carboxyl sulfonate compound show excellent chelating ability to metal ions; therefore, the present carboxyl sulfonate compound is particularly for use in electroplating additive.

The present invention provides a carboxyl sulfonate compound and preparation method thereof. The present carboxyl sulfonate compound has structure of formula (A): ##STR00001##
wherein M.sub.1 is hydrogen or an alkali metal; M.sub.2 is hydrogen, alkyl or an alkali metal; Y is hydrogen, alkyl; carboxyl, carboxyl salt; alkylcarboxyl, or alkylcarboxyl salt; n is an integer from 1 to 10; and m is an integer from 1 to 10. The carboxylic group and the sulfonic acid group in the structure of the present carboxyl sulfonate compound show excellent chelating ability to metal ions; therefore, the present carboxyl sulfonate compound is particularly for use in electroplating additive.

Provided are methionine analogs which may be useful for inhibiting protein synthesis, inhibiting microbial growth and/or treating infectious diseases. In some instances, the analogs exhibit bactericidal, antibacterial, anti-infective, antimicrobial, sporicidal, disinfectant, antifungal and/or antiviral properties. Also provided are methods of treatment and methods of preparation, as well as kits and unit dosages.

Provided are methionine analogs which may be useful for inhibiting protein synthesis, inhibiting microbial growth and/or treating infectious diseases. In some instances, the analogs exhibit bactericidal, antibacterial, anti-infective, antimicrobial, sporicidal, disinfectant, antifungal and/or antiviral properties. Also provided are methods of treatment and methods of preparation, as well as kits and unit dosages.

Provided are methionine analogs which may be useful for inhibiting protein synthesis, inhibiting microbial growth and/or treating infectious diseases. In some instances, the analogs exhibit bactericidal, antibacterial, anti-infective, antimicrobial, sporicidal, disinfectant, antifungal and/or antiviral properties. Also provided are methods of treatment and methods of preparation, as well as kits and unit dosages.

Provided are methionine analogs which may be useful for inhibiting protein synthesis, inhibiting microbial growth and/or treating infectious diseases. In some instances, the analogs exhibit bactericidal, antibacterial, anti-infective, antimicrobial, sporicidal, disinfectant, antifungal and/or antiviral properties. Also provided are methods of treatment and methods of preparation, as well as kits and unit dosages.

Provided are methionine analogs which may be useful for inhibiting protein synthesis, inhibiting microbial growth and/or treating infectious diseases. In some instances, the analogs exhibit bactericidal, antibacterial, anti-infective, antimicrobial, sporicidal, disinfectant, antifungal and/or antiviral properties. Also provided are methods of treatment and methods of preparation, as well as kits and unit dosages.