Clinical Chemistry

Environmental Monitoring by E. Ekundayo

By E. Ekundayo

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A) pH-dependencies of scattered particle mass for Egg albumin in water solution in presence of Cs ions (2) (  = 0,00105 mol/l), (1) - Egg albumin in pure water solution. (b) pHdependences of scattering particle mass for albumin, , containing ions K+. (c) pHdependences of scattering particle mass for -globulin water solutions, containing ions K+. 2 Photon-correlation spectroscopy (PCS) The PCS method was suggested to investigate the dynamic parameters of proteins in the aqueous solutions containing heavy metals [4, 5].

Species H. marginatus L. dorsalis P. squamossissimus A 10 14 14 Number of fish caught B 6 15 8 Table 2. Number of fish caught in different areas (A, B e C). 2 1 >1 Table 3. Physico-chemical variables observed in different study areas and the value recommended. species Gill Types H. marginatus L. dorsalis P. squamossissimus Liver A B C A B C I 12 17 29 12 18 24 II 3 a, b 11 13 3a 12 9 III - 2 4 - 2 3 I 13 a 49 33 13 a 47 27 II 5 a, b 23 20 5 a, b 27 14 III - 7 4 - 7 4 I 4 a, b 26 14 13 28 16 II 1 a, b 15 10 5a 20 11 III - 5 3 - 5 3 Table 4.

A – Changed liver tissue with intense inflamation (circle) 200X. B – Congested vein (Cg) 400X. C – fatty degeneration (FD) 400X. D – Hepatites (HT). 200X. E – Intense melanomacrophages centers (Cmm). 400X. F – Detail of a hepatic parenchima with necrosis ( ). 400X. HE Histological Biomarker as Diagnostic Tool for Evaluating the Environmental Quality of Guajará Bay – PA - Brazil 45 4. Discussion In this study the temperature values were considered normal and slightly acidic pH. According to Campagna (2005), there is a close relationship between pH and carbon dioxide levels in the water, because with the discharge of sewage into rivers the water quality is altered by pathogenic bacteria and degradable organic substances and the decomposition of microorganisms involves the release of carbon dioxide and a consequent increase in the acidity of water.

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