Aerobic decolourization of two reactive azo dyes under varying carbon and nitrogen source by Bacillus cereus

Bacillus cereus isolated from dye industrial waste, that is, effluent and soil samples was screened for its ability to decolourize two reactive azo dye – cibacron black PSG and cibacron red P4B under aerobic conditions at pH 7 and incubated at 35°C over a five day period. Different carbon and nitrogensources were used for the decolourization study. B. cereus was able to decolourize cibacron red P4B by (81%) using the combination of ammonium nitrate and sucrose, while it decolourizes cibacron black PSG by (75%) using yeast extract and lactose

Storage life of sesame (Sesamum indicum L.) seeds under humid tropical conditions

No Abstract.Nigeria Agricultural Journal Vol. 38 2007: pp. 62-6

Hepatitis B and C virus and hepatocellular carcinoma

Antibody to hepatitis C virus (anti-HCV) was detected in 18.7% of patients with hepatocellular carcinoma (HCC) and in 10.9% of controls (P < 0.001). The corresponding prevalences of hepatitis B surface antigen (HBsAg) were 59.3% and 50.0% (P < 0.001). Using patients with non-hepatic disease as controls, stepwise logistic regression analysis indicated that both anti-HCV (odds ratio 6.88%; 95% confidence interval [CI] 1.63-9.77) and HBsAg (odds ratio 6.46; 95% CI 1.68-18.13) were independent risk factors for HCC. Calculation of the incremental odds ratio indicated no interaction between hepatitis B virus (HBV) and HCV. Blood transfusion was a significant risk factor for acquiring HCV infection with odds ratios of 5.48 (95% CI 1.07-29.0) and 2.86 (95% CI 1.31-22.72) for HCC cases and controls, respectively. The mean age of HCC cases with HBsAg and anti-HCV was lower than that of HCC patients with anti-HCV alone (P < 0.01). It is concluded that there is a high rate of HBV infection, and a low rate of HCV infection, among Nigerian patients with HCC. However, HBV and HCV are independent risk factors for the development of HCC, with HBV having an effect more rapidly. Screening of blood products for transfusion might minimize the risk of HCV transmission