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Articles by N. Sultana
Total Records ( 3 ) for N. Sultana
  A. Alsarhan , N. Sultana , M.R.A. Kadir and T. Aburjai
  The medicinal plants play an important role in rural health care system throughout the world in remedying and preventing various kinds of diseases. This study documented the use of plants as traditional herbal medicine in the Kangkar Pulai region Johor, Malaysia. It also identified the homogeneity of informant knowledge on medicinal plants suitable for different ailments and types of plants most favored for the treatment of each ailment in the study. The information was gathered through semi-structured interviews, discussions with key informants and informal conversations with local people and herbal practitioners. The data was calculated based on informant consensus factor (Fic) and use value (UV). Information on 40 medicinal plants species from 29 taxonomic plant families used for traditional treatment of different diseases/ailments was documented. The informant consensus factor values (Fic) showed that the local people tend to agree more with each other in terms of the plants used to treat sexual weakness (0.95), blood pressure (0.94), diabetes (0.93), delivery and female problems (0.90), hair problems and dandruff (0.87), respiratory disorder (0.86) and kidney problems (0.85). By contrast, digestive problems (0.76) and skin problems (0.71) and inflammation pain (0.70) were found to have low Fic values. Calculated values of the UV and Fic indicate that this community is knowledgeable on healing and treatment using traditional herbal medicines.
  G.U. Ahmed , N. Sultana , M. Shamsuddin and M. Belal Hossain
  Field experiment was conducted to evaluate the growth performance of monosex tilapia using homemade feed with Peninsula Group fish meal and commercially available feed with local fish meal in earthen mini ponds from June-September 2010. Three ponds (T1) were supplied with prepared feed and the other three ponds (T2) with commercially available fish feed. Fish were fed at the rate of 10% of their body weight for the first thirty days then gradually reduced to 6% for the next ten days, 2% for the next ten days and 3% for remaining days. The temperature were ranged from 31.5-33.0°C, DO from 5.5-15 mg L-1 in T1 and 6.5-14 mg L-1 in T2, pH from 7.1-8.0 in T1 and 7.1-7.7 in T2, alkalinity from 105-160 mg L-1 in T1 and 100-145 mg L-1 in T2, nitrate was 0.06 mg L-1 in both treatments and ammonia from 0.02 and 0.04 mg L-1 in T1 and T2, respectively. The results of the present study showed that the best weight gain was observed as 123.48 g in T1 than T2 (111.82 g). The Specific Growth Rate (SGR) was recorded 3.09 and 2.97 and the Food Conversion Ratio (FCR) was 1.51 and 1.40 in T1 and T2, respectively. There was significant (p<0.05) variation among the survival rate (%) of fishes which were 75.55 and 90.37% in T1 and T2, respectively. The fish productions were 19076 and 16312.11 kg ha-1 in T1 and T2. The highest net profit (Taka/ha/70 days) of Tk. 15, 83,213 was obtained with T1. So, the prepared feed showed better performance with monosex tilapia in compared with commercial fish feed with local fish meal.
  M.I. Hassan , H.A. Mazlee and N. Sultana
  Over the past few decades, electrospun nanofiber has been introduced as one of the suitable drug carriers for drug delivery application. A special property exhibited by the nanofiber is that it has an extremely high surface area to volume ratio which makes it suitable to be applied in this application. In fact, there has been a lot of considerable interest in developing electrospun nanofiber using an electrospinning technique. In this study, a synthetic polymer, Polycaprolactone (PCL) was blended with a natural polymer, chitosan to fabricate electrospun nanofibers for drug delivery application. The ratio of the polymer blending composition for PCL/Chitosan was varied. The solution viscosity was measured by a viscometer. The morphology of the nanofibers was observed using a Scanning Electron Microscopy (SEM) and wettability was measured using a water contact angle measurement. At suitable polymer blend composition and viscosity, it was possible to fabricate electrospun nanofibers with diameter of 85-120 nm. It was also observed that the wettability of the nanofibers was 63.03±6.02°.
 
 
 
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