Evaluation of a protease assay based on a natural protein for heavy metals inhibition of activated sludge

Journal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering

Volumn 36, Issue 7, 2001, Pages 1349-1360

  Garcia Gonzalez J ^a   Mirada, F ^a   Lopez F ^a  

^a UNIVERSIDAD COMPLUTENSE DE MADRID   (Spain)

Author keywords

2,4,6 Trinitrobenzenesulfonic acid; Activated sludge; Enzymatic assay; Heavy metals; Proteases

Indexed keywords

ACTIVATED SLUDGE PROCESS; ASSAYS; ENZYME INHIBITION; HEAVY METALS; HYDROLYSIS; PH; POLYPEPTIDES; PROTEINS;

FACTORIAL EXPERIMENTAL DESIGN;

ENZYMES;

COPPER; HEAVY METAL; PEPTIDE; PROTEIN; PROTEINASE; TRINITROBENZENESULFONIC ACID; ZINC;

ACTIVATED SLUDGE; AGE; ARTICLE; CHEMICAL BOND; ENZYME ACTIVITY; ENZYME ASSAY; ENZYME INHIBITION; FACTORIAL ANALYSIS; PH; PROTEIN DEGRADATION;

BIOLOGICAL ASSAY; ENDOPEPTIDASES; HYDROGEN-ION CONCENTRATION; HYDROLYSIS; METALS, HEAVY; SEWAGE; TIME FACTORS; TRINITROBENZENESULFONIC ACID;

EID: 0034837972     PISSN: 10934529     EISSN: None     Source Type: Journal    
DOI: 10.1081/ESE-100104883     Document Type: Article

References (12)

1. Inhibition of the activities of β-galactosidase and dehydrogenases of activated sludge by heavy metals
2. Evaluation of Int-dehydrogenase assay for heavy metal inhibition of activated sludge
3. Enzymatic activities of activated sludge
4. Characterization of enzyme activity in activated sludge using rapid analysis for specific hydrolases
5. Enzyme activities in wastewater and activated sludge
6. Comparative examination of 14 activated-sludge plants using enzymatic techniques
7. Determination of the protease activity in activated sludge by gelatine hydrolysis
8. The relationship between viability and respiration rate in the activated sludge process
9. Effects of copper and zinc on the activated sludge bacteria growth kinetics