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Articles by Md. Jahangir Alam
Total Records ( 3 ) for Md. Jahangir Alam
  Md. Jahangir Alam , Most. Nur-E-Taj Mokarrama Mukti , Md. Mominul Hoque , Md. Intaz Ali , Md. Mostafa Kamal , Sunil C. Mallik and Subhagata Choudhury
  Diabetes mellitus (DM) in many cases is found to be associated with disordered thyroid function. In this study 140 healthy non-diabetic subjects and 140 diabetic subjects were investigated for Fasting Blood Sugar (FBS), total triidothyronine (T3), total thyroxin (T4), free triidothyronine (FT3), free thyroxine (FT4) and thyroid stimulating hormone (TSH). Out of 140 diabetic subjects studied, 70% had euthyroidism (normal), 18.6% had hypothyroidism and 11.4% had hyperthyroidism. Serum T3, T4 and FT3 levels were low, TSH and FT4 levels were high in diabetic subjects whereas, in non-diabetic subjects all these levels were normal. All the diabetic subjects had high fasting blood sugar levels (10.82±2.72). Statically no significant differences were observed in serum T4 (p = 0.791) and BMI (p = 0.477) levels between non-diabetic and diabetic subjects. Fasting blood sugar was found to be significantly correlated with TSH, FT3 levels and others parameter were not that much significant. In this study, 30% diabetic patients were found to abnormal thyroid hormone levels. The prevalence of thyroid disorder was higher in women (17.1%) than in men (12.9%), while hyperthyroidism were higher in males (13.3%) than in females (10%) and hypothyroidism was higher in females (20%) than in males (16.7%).
  Md. Mahfuzur Rahman Shah , Md. Yeamin Hossain , Momtaz Begum , Zoarder Faruque Ahmed , Jun Ohtomi , Mohammad Mustafizur Rahman , Md. Jahangir Alam , Md. Amirul Islam and Bernerd Fulanda
  The present study was carried out to monitor the plankton community structure and productivity, its diurnal and seasonal variations and the influence of physico-chemical factors in the Shibsha River of the southwest coast of Bangladesh from July 2004 to June 2005. A total of 31 phytoplankton species were identified; 17 belong to Bacillariophyceae, seven to Cyanophyceae, five to Chlorophyceae and two to Dinophyceae. Bacillariophyceae appeared to be the dominant group in terms of total species and cell numbers during the period studied. The over all phytoplankton production was significantly (p< 0.05) higher in June (175.8x103 cells L-1) and lower in September (12.0x103 cells L-1) attributed to low temperature. Phytoplankton diversity declined to the lowest level in winter and there was a positive correlation with water temperature. The number of phytoplankton species was high (26) in June and quite low (11) in December. Nutrient concentrations including nitrate and phosphate were significantly (p< 0.05) higher in summer, while lower values recorded in winter. The lowest and highest concentration of Nitrate-Nitrogen (NO3-N) and Phosphate-Phosphorus (PO4-P) were 0.7, 0.3, 1.9 and 0.9 mg-1, respectively.
  Momtaz Begum , Md. Yeamin Hossain , Md. Abdul Wahab , Zoarder Faruque Ahmed , Md. Jahangir Alam , Md. Mahfuzur Rahman Shah and Saleha Jasmine
  The experiment was conducted to evaluate the effects of iso-nutrients fertilization on fertilizer combinations, containing a similar amount of nitrogen (N) and phosphorus (P) were the production of plankton in earthen ponds for a period of eight weeks. Two different were tested in triplicate using six earthen ponds of 100 m2 each. The fertilizer combinations of cow manure, urea and Triple Super Phosphate (TSP) at the rate 5000, 125 and 100 kg ha-1, respectively, containing approximately 102 kg N and 65 kg P was used for treatment-1 (T-1). Another combination of poultry-manure, urea and TSP at the rate of 2000, 125 and 100 kg ha-1, respectively, was considered as the treatment-2 (T-2). The application rate of poultry manure was adjusted to make the nutrient (N and P) content of fertilizer combination in T-2 similar to that in T-1. Four groups of phytoplankton namely, Bacillariophyceae, Chlorophyceae, Cyanophyceae and Euglenophyceae and two groups of zooplankton namely, Crustacea and Rotifera were identified. The mean abundance of both phytoplankton (78.25±6.33x104 cells L-1) and zooplankton (57.63±4.59x104 cells L-1 ), were significantly higher (p<0.05) in earthen ponds which treated with poultry manure. The result showed that despite iso-nutrients content, the nutrient status of poultry manure proved to be superior to cow manure.
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