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Search Results: 1 - 10 of 5207 matches for " Shamima Prodhan 1* "
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Studies on the reconstitution properties of stored dried spotted spanish mackerel (Scomberomorus guttatus)
Shamima Prodhan 1* , M Kamrujjaman 1 , M Afzal Hossain 2 , M Samsul Islam2
International Journal of Biosciences , 2011,
Abstract: A study was carried out to compare and evaluate the percentage of reconstitution media (tap water, hot water, 5% NaCl and 5% Ca(OH)2) uptake of stored dried control, irradiated (1 kGy) and heat treated (50 °C) spotted spanish mackerel Scomberomorus guttatus at room temperature for 1, 4 and 24 dipping hours upto 180 days of storage period after each 30 days of intervals. Maximum media uptake found in 5% Ca(OH)2followed by 5% NaCl, hot water and tap water in all samples. The highest (121.81%) and lowest (4.07%) percentage of media uptake observed in Ca(OH)2 and tap water respectively from the irradiated fish sample. This study also reveals that percentage of media uptake depends on reconstitution medias and dipping hours significantly but not with the various samples.
Hamiltonian Formulation for Water Wave Equation  [PDF]
Shamima Sultana, Zillur Rahman
Open Journal of Fluid Dynamics (OJFD) , 2013, DOI: 10.4236/ojfd.2013.32010
Abstract: This paper concerns the development and application of the Hamiltonian function which is the sum of kinetic energy and potential energy of the system. Two dimensional water wave equations for irrotational, incompressible, inviscid fluid have been constructed in cartesian coordinates and also in cylindrical coordinates. Then Lagrangian function within a certain flow region is expanded under the assumption that the dispersion μ and the nonlinearity ε satisfied\"\" . Using Hamilton’s principle for water wave evolution Hamiltonian formulation is derived. It is obvious that the motion of the system is conservative. Then Hamilton’s canonical equation of motion is also derived.
Energy Decay Law of Dusty Fluid Turbulent Flow in a Rotating System
Shamima Sultan
Journal of Engineering and Applied Sciences , 2012,
Abstract: Homogeneous dusty fluid turbulent flow in a rotating system has been considered using 3 and 4 point correlation equations the set of equations is made determinate by neglecting the quintuple correlations in comparison to the 3rd and 4th order correlation terms. Here the correlation equations are converted to spectral form by taking Fourier transforms. Finally, integrating the energy spectrum over all wave numbers, the energy decay law of homogeneous dusty fluid turbulent flow in a rotating system before reaching at the steady state obtained.
Allelopathic studies on milk thistle (Silybum marianum)
Shamima Sultana
International Journal of Agricultural Research, Innovation and Technology : IJARIT , 2012,
Abstract: Declining crop yield due to weeds and their resistance to herbicides are major constraint for successful crop productions. Milk thistle (Silybum marianum) is common weed species in Australian cropping rotation. Allelopathic potentiality of milk thistle on different crops has been documented sporadically, but there is no literature on about ryegrass and canola. Therefore, a laboratory based allelopathic extracts bioassay was conducted. The hot water extracts was prepared from milk thistle plant parts added into water with ration of 1: 10 (plant sample: distilled water) where mixture was heated 10 minutes. After heat treatment samples was immediately sieved and centrifuged and the resulted solution was treated as 100% concentration. Separately, to get the fresh water extract plant sample was added into water (1:10) and kept 24 hours in room temperature. After 24 hours, the sample was sieved and centrifuged and collected samples result was treated 100% concentrations. To obtain 50% concentration, both hot and fresh samples were diluted with distilled water. Therefore the experiment was conducted with five different treatment concentrations (0, 50% hot water extracts, 50% fresh water extracts, 100% hot water extracts and 100% fresh water extracts). The experiment was comprised with RCBD design with three replications under control conditions. During experimental period the allelopathic effects of donor species on germination and seedling growth of ryegrass and canola was observed. Results shows, germination and seedling growth of both receiver species are inhibited by milk thistle extracts. Extracts from fresh water at 100% was more toxic to receiver species followed by 50% concentration of fresh and 100% from hot water extracts. This concentration reduced the root, shoot growth of ryegrass and canola 84.971%, 84.269% and 89.898%, 87.394%, respectively. The result also revealed that allelopathic pattern of hot water extracts was same however; it is less toxic to both receiver species.
A biological tool to combat against multidrug-resistant Salmonella isolated from poultry of Chittagong City, Bangladesh
Mahbuba A1, Islam S2*, Mazumdar RM2, Fakruddin M2, Das S2, Bhuiyan H2 and Prodhan SH1
International Journal of Natural Sciences , 2012,
Abstract: Thirty two strains of Salmonella were isolated from the samples collected from different poultry farm of Chittagong City. Isolated organisms were then subjected to antibiotic sensitivity test against seven different standard antibiotics. Most of the strains tested were resistant to four antibiotics; 93.75% were resistant to co-trimaxazole, while 90.62% were resistant to cephotaxime, nalidixic acid and Tetracycline each. In this study, ciprofloxacin and gentamicin were found to be the most potent drugs, (78.125%) were sensitive to Ciprofloxacin & (78.125%) were sensitive to gentamicin. Antimicrobial activity of bark extract of T. arjuna against 13 selected isolates of Salmonella were then determined. During the course of the anti-microbial screening it was found that among the 13 selected isolates, Salmonella (L3-B1), Salmonella (L5-X4), Salmonella (F-X2) and Salmonella (S2-B1) showed good sensitivity to crude extract of T. arjuna.
An Empirical Analysis of Labor Productivity Growth for the Taiwanese Rice Sector
Shamima Sultana,Yoshimi Kuroda
International Journal of Economics and Finance , 2012, DOI: 10.5539/ijef.v4n8p99
Abstract: This paper investigates the factors responsible for a high growth rate of labor productivity of the agricultural sector for the period 1976-93 for Taiwan. This investigation is carried out by a newly devised procedure which decomposes the growth rate of labor productivity into (1) the total substitution effect which consists of the effects due to factor price changes and biased technological change and (2) the TFP effect composed of the effects due to scale economies and technological progress. Based on empirical estimation of the translog cost function, it was found that the total substitution effect contributed to the growth of labor productivity much more than the TFP effect did for the period under question.
Effect of Source to Camera Distance and Count Rate on Intrinsic Uniformity of SPECT Gamma Camera  [PDF]
Sabrina Sarah, Mahidul Haque Prodhan, Kawsar Hamid, Fazlul Huq
Open Journal of Medical Imaging (OJMI) , 2015, DOI: 10.4236/ojmi.2015.52012
Abstract: In this research, the excellent parameter for regular Quality Control (QC) testing of intrinsic uniformity for dual-head Single Photon Emission Computed Tomography (SPECT) gamma camera is determined. The integral and differential intrinsic uniformity tests for both Useful Field Of View (UFOV) and Centre Field Of View (CFOV) were done by insertion a point-source of 99mTc in front of the detectors with detached collimators to measure the effect of source to camera distance and a count rate on intrinsic uniformity. The result reveals that the best intrinsic uniformity image is obtained at source-to-camera distance of 3 m and a count rate between 16 and 60 M.
Velocity Propagation of Waves at the Interface of Two Liquids for the Case of Large Wave Length
Shamima Sultana,Nazrul Islam Mondal
International Journal of Systems Signal Control and Engineering Application , 2012,
Abstract: The surface waves occur at and near the free surface of an unbounded sheet of liquid which is irrotational incompressible and two-dimensional. To illustrate the waves at the interface of 2 liquids, the progressive waves and stationary waves on the surface of a canal and on a deep canal are also considered. For the convenience of our calculation, Bernoulli s equation is taken and then at steady state the velocity propagation is obtained. In fact, we have generalized velocity propagation when wave length is large compared with thickness between 2 layers.
Carcinoma of the Ectopic Breast
AMM Shariful Alam,Shamima Anwar
Journal of Enam Medical College , 2013, DOI: http://dx.doi.org/10.3329/jemc.v3i1.13874
Abstract: A 43-year-old woman presented with bilateral ectopic breasts in both the axillae in Chittagong Medical College Hospital in July 1996. She was diagnosed having carcinoma in the left ectopic breast. She was successfully treated with local surgical excision and regional lymph node dissection, adjuvant chemotherapy, loco-regional radiotherapy and hormone therapy. The patient continued tamoxifen for 5 years. Till last follow-up in December 2011, the patient was asymptomatic without any evidence of residual disease or local recurrence and evidence of metastases.
Antinociceptive, anti-inflammatory and antidiarrheal activities of ethanolic calyx extract of Hibiscus sabdariffa Linn. (Malvaceae) in mice
Md. Khadem Ali,Shamima Afroz
Zhong Xi Yi Jie He Xue Bao , 2011,
Abstract: Objective: To evaluate the antinociceptive, anti-inflammatory and antidiarrheal activities of the ethanolic calyx extract of Hibiscus sabdariffa Linn. in mice.Methods: In the present study, the dried calyxes of H. sabdariffa were subjected to extraction with 95% ethanol and the extract was used to investigate the possible activities. Antinociceptive activity of the extract was evaluated by using the acetic acid-induced writhing test. The anti-inflammatory effect of the extract was tested by using the xylene-induced ear edema model mice. Castor oil-induced diarrheal model mice were used to evaluate the antidiarrheal activity of the extract.Results: In acetic acid-induced writhing test, the extract produced inhibited writhing in mice siginificantly compared with the blank control (P<0.01). The extract showed significant inhibition of ear edema formation in xylene-induced ear edema model mice in a dose-related manner compared with the blank control (P<0.01). The extract demonstrated a significant antidiarrheal activity against castor oil-induced diarrheal in mice in which it decreased the frequency of defecation and increased the mean latent period at the doses of 250 and 500 mg/kg body weight (P<0.01).Conclusion: The above mentioned findings indicate that the calyx extract of H. sabdarif fa possesses significant antinociceptive, anti-inflammatory and antidiarrheal activities that support its uses in traditional medicine.
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