1. Flow-injection spectrophotometry was established to measure carbonic anhydrase (CA) activity and the effect of magnetic field on CA activity was studied.

2. Carbonic anhydrase inhibitors (CAIs) were first used to lower intraocular pressure (IOP) in glaucoma in 1954, with the introduction of acetazolamide, methazolamide and diclofenamide were subsequently.

3. In this paper, changes of rape anhydrase activity and chlorophyll content under nutrient stress were studied.

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4. Methazolamide (MTZ) is a carbonic anhydrase inhibitor widely used in oral administration in the treatment of glaucoma.

5. Carbonic anhydrase(CA; EC 4.2.1.1)is a zinc-containing metalloenzyme that catalyzes the reversible conversion of CO_2 to bicarbonate.

6. Carbonic anhydrase gene, nitrate reductase gene and several other genes have been cloned.

7. The researchers added carbonic anhydrase genes to plants that do not react to higher levels of carbon dioxide.

8. The use of the third generation cephalosporin with anhydrase inhibitors also had an uptrend.

9. The activity of carbonic anhydrase in the soils of low vegetation coverage is lower than that in the soils of high vegetation coverage in various Karst ecosystems.

10. This drug inhibits the action of carbonic anhydrase on the proximal convoluted tubules within the kidneys, which effectively inhibits reabsorption of bicarbonate, thus alkalinizing the urine.

11. Objective To establish a sensitive, accurate, stable, specific enzymatic determination method for milk Zinc by carbonic anhydrase(CA) reactivation.

12. Aim: To clone the cross-intron genomic DNAs of the duplicated carbonic anhydrase (DCA1) and carbonic anhydrase (CA1) genes from Dunaliella salina.

13. Objective:To establish a sensitive, accurate, specific enzymatic method of determination of urinary zinc with stable reagents by means of carbonic anhydrase(CA) reactivation.

14. The effect of solvent polarity and guanidinium on the con-formation of carbonic anhydrase was studied by fluorescence emission spectrum.

15. Objective:To establish an accurate, specific automated enzymatic method for the determination of hair zinc with stable reagents by means of carbonic anhydrase(CA) reactivation.

16. It'suggested that one of the dehydrant mechanisms is inhibition of carbonic anhydrase activity.

17. Thus, systemic acidosis or the other side effects associated with oral carbonic anhydrase inhibitors are not expected to occur.

18. Many bacteria strains separated from the soil samples in southwest China karst area can produce secrete extra-cellular carbonic anhydrase (CA).

19. Here, we report the cloning and functional analyses of the promoters of duplicated carbonic anhydrase (DCA1) and carbonic anhydrase (CA1) genes from Dunaliella salina.

20. Objective:To investigate the effect of metabolic acidosis on carbonic anhydrase(CA) activity in rat erythrocytes.