| Fluorimetric and spectrophotometric analysis in pure phosphate buffered saline and solvent mixtures has been used throughout the study. |
| This procedure has allowed us to achieve sensitivity levels near those attained by bioluminescent methods in spectrophotometric assays. |
| A new spectrophotometric method for the detection and determination of keta sugar and trioses. |
| Extraction spectrophotometric determination of vanadium in natural waters and aluminium alloys using pyridyl azo resorcinol and iodo-nitro-tetrazolium chloride. |
| Xanthine oxidase activity was evaluated by the spectrophotometric measurement of the formation of uric acid from xanthine. |
| The content of RNA in the solution was determined by ultraviolet spectrophotometric analysis. |
