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Search Results: 1 - 10 of 3300 matches for " Mohd. Amanullah "
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Evaluation of carbamate insecticides as chemotherapeutic agents for cancer
Mohd. Amanullah,Hari Babu
Indian Journal of Cancer , 2011,
Abstract: Background: Cancer chemotherapy has already been in practice by the use of toxins and some of the specific poisonous compounds of cyanide derivatives. Carbamate insecticides inhibit cellular metabolism including energy, protein, and nucleic acid metabolism, thereby, causing cell regression and death. Aim: Preliminary evaluation of three carbamate insecticides, namely, baygon, carbaryl, and carbofuran as chemotherapeutic agents for cancer is undertaken in the present study. Materials and Methods: The toxicity of carbamates on squamous cell carcinoma was assessed in-vitro using dye binding tests. Cells were grown in microtitration ELISA plates, as adherent cultures, for six hours, and then exposed to the drugs for 2, 4, 8, and 12 hours, and finally stained with neutral red, to assess the viable cell number, and with methylene blue for the determination of protein in the monolayer. Optical density was read in an ELISA reader. Statistical Analysis: The data obtained during the experiment was subjected to statistical analysis by using the student ′t′ test. Results: The results indicated that the percentage of the viable cell number reduced with an increase in the time of exposure of the drugs. Exposure of the tumor cells to the drugs for 12 hours detached them completely from the wells, and hence, all the cells were washed out. Exposure of the drugs prior to the establishment of the culture in-vitro resulted in the non-formation of the monolayer in the wells. Conclusions: Among the three drugs studied, the survival percent was least with carbaryl treatment followed by baygon, and with carbofuran treatment it was almost near to control group.
The Professional Medical Journal , 2008,
Abstract: Objective: To assess efficacy of ESWL as a single modality in upperand lower ureteric calculi. Setting: department of Nephro-Urology Chandka Medical College Hospital, Larkana. Period:January 2003 to April 2006. Methods and materials: 62 patients underwent ESWL. Upper and lower ureteral calculiwere treated by using Dornier MPL-9000 Lithotripter with ultrasound localization. Results: Among 62 cases 56(90.3%)patients had upper ureteric calculi, whereas 06(9.7%) patients had lower ureteric calculi. Size of stones ranged from0.5 mm to 18mm having mean size of 10mm. All patients were followed for period of 6 weeks. Of these 62 patients 58patients were stone free at the end of 2 weeks follow up. In 2 cases stones failed to fragment, where as 2 cases failedto attend out patient department for follow up. Conclusion: This study concluded that in situ echoguided ESWL waseffective modality of treatment for upper and lower ureteric stones. Localization of ureteric stones with ultrasound hasthe advantage of elimination of radiation exposure to the patient and lithotripsy team.
Investigation of Bandwidth Requirement of Smart Meter Network Using OPNET Modeler  [PDF]
M. Rahman, Amanullah Mto
Smart Grid and Renewable Energy (SGRE) , 2013, DOI: 10.4236/sgre.2013.44044
Abstract: Smart meter networks are the backbone for smart electrical distribution grid. Smart meter network requires the bidirectional communications medium and interoperability capability. As thousands of meters are interconnected in the smart meter network, it is vital to select an appropriate communication bandwidth to facilitate real-time two-way information flows and this will also allow further uptake of greenhouse-friendly technology options and enhance energy security. Optimized Network Engineering Tools (OPNET) Modeler is one of most powerful simulation tools for the analysis of communication networks. In this paper, several models of different structured smart meter networks were developed with network parameters which were connected with different communication links such as 10 BaseT and 100 BaseT in order to measure propagation delay, throughput, and utilization of the network. It was found that the propagation delay decreases with higher bandwidth. The other network parameters, namely network utilization and network throughput were also analysed. Based on the investigation, it is recommended that the 100 BaseT communication link is suitable for the smart meter network. The outcome of this paper provided a guideline to the future smart meter network developer so as to avoid catastrophic challenges faced by some of the distribution companies.
HIV/AIDS-Related Knowledge among Secondary School Students in Bangladesh: A Cross-Sectional Study  [PDF]
Md. Nazmul Huda, Dr. Asm Amanullah
Advances in Infectious Diseases (AID) , 2013, DOI: 10.4236/aid.2013.34042

Background and Aim of the Study: HIV/AIDS is best viewed as a major epidemic which poses serious challenges to mankind on a global scale. The aim of this study was to assess the HIV/AIDS-related knowledge among secondary school students in Bangladesh and investigate the association between secondary school students’ socio-demographic characteristics and their level of knowledge about HIV/AIDS. Methods: Following multistage random sampling technique, a total of 384 students aged 11-17 years were sampled from eight secondary schools and interviewed through a predesigned semi-structured questionnaire. Data analysis was done at three stages including descriptive statistics, bivariate analyses, and multivariate logistic regression. Results: The findings of the study revealed that more than half (55.26%) of the students were above 14 years of age and their ages ranged from 11 to 17 years. This study also found that around three-fourths of the students (75.78%) watched television. With regard to knowledge, this study demonstrated that around two-fifths of the students (36.98%) had very good knowledge about HIV/AIDS and their main sources of HIV/AIDS information were television, newspaper, radio, textbooks, and teachers. The bivariate results of the study indicated that students’ age, gender, type of school, household income, fathers’ and mothers’ literacy, and watching television were significantly associated with level of knowledge about HIV/AIDS. In addition, students’ age, mothers’ literacy, and watching television were found as the significant predictors of knowledge about HIV/AIDS. Watching television was documented as the best s

Automatic Generation Control of Multigeneration Power System  [PDF]
Asma Aziz, Amanullah Mto, Alex Stojsevski
Journal of Power and Energy Engineering (JPEE) , 2014, DOI: 10.4236/jpee.2014.24043
Abstract: Load frequency Control (LFC) is used for many years as part of Automatic Generation Control (AGC) in power system around the world. In a mixed power system, it is usual to find an area regulated by hydro generation interconnected to another area regulated by thermal generation or in combination of both. In the following study, performance of AGC for Thermal, Hydro and Thermal turbine based power system is examined, including how frequency bias setting influences AGC response and inadvertent interchange. Control performance analysis of three area interconnected systems is simulated and studied through Matlab Simulink software. Integral square error and Integral time absolute error has been used as performance criterion. It is shown that integral time absolute error (ITAE) as performance index leads to faster optimization of controller gain.
The routine use of albumin for fluid resuscitation of critically ill patients is not warranted
Shakeel Amanullah, Ramesh Venkataraman
Critical Care , 2004, DOI: 10.1186/cc3006
Abstract: Multicenter, double blind, randomized controlled trialClosed, multidisciplinary ICUs of 16 academic tertiary hospitals in Australia and New Zealand between November 2001 and June 20036997 ICU patients ≥ 18 years of age who were judged by their treating physician to require fluid resuscitation to maintain or increase intravascular volume, with this decision supported by the fulfillment of at least one objective criterion. Patients admitted to the ICU after cardiac surgery, after liver transplantation, or for the treatment of burns were excluded.Patients were randomly assigned to receive either 4% albumin or normal saline, with randomization stratified according to institution and whether there was a diagnosis of trauma on admission to the ICU. Study fluids were supplied in identical 500-ml bottles, and blinding was ensured through the use of specially designed masking cartons and specially designed and manufactured administration sets. The effectiveness of the blinding was confirmed in a formal study before the trial was initiated. The treating clinicians determined the amount and rate of fluid administration. In addition to the study fluid, patients received maintenance fluids, specific replacement fluids, enteral or parenteral nutrition, and blood products at the discretion of the treating clinicians. The monitoring of central venous pressure, pulmonary-artery catheterization, and all other aspects of patient care were performed at the discretion of the treating clinicians.The primary endpoint was 28-day all-cause mortality. Secondary endpoints were the proportion of patients with new organ failure and the duration of mechanical ventilation, renal replacement therapy, and ICU and hospital stay. Differences in the primary endpoint were also examined in six predefined subgroups according to the baseline presence or absence of trauma, severe sepsis, and acute respiratory distress syndrome (ARDS). The study had 90% power to detect a 3% absolute difference between group
Yield Potential of Blackbean (Vigna mungo (L.) Hepper) Germplasm
Amanullah,Mir Hatam
Pakistan Journal of Biological Sciences , 2000,
Abstract: An experiment consisting of 11 blackbean (Vigna mungo (L.) Hepper) germplasm was carried at the Research Farm of NWFP Agricultural University Peshawar on June 9, 1999, to know the yield potential of these germplasm in relation to other important agronomic characters. Germplasm BB14 ranked first by producing maximum grain yield of 844 kg ha -1, followed by germplasm BB7 (755 kg ha-1). Average values of grain yield decreased in descending order from 799 kg ha -1 in group I to 375 kg ha -1 in group II and then further decreased to 243 kg ha -1 in group III. Similarly, the average values of days to maturity, plant height, branches and pods per plant, 100 seeds weight, dry matter yield and harvest index decreased in descending order, and showed positive association with grain yield.
Correlation Between Grain Yield and Agronomic Parameters in Mungbean Vigna radiata (L.) Wilcizk
Amanullah,Mir Hatam
Pakistan Journal of Biological Sciences , 2000,
Abstract: In order to test the correlation between grain yield and yield components five promising mungbean (Vigna radiata L.) germplasm i.e. two each from Swat, Dir and one from Chitral were planted at the Research Farm of NWFP Agricultural University Peshawar on May 22, 1997. Grain yield varied significantly from 719 (CH.MB.1) to 1121 kg/ha (D.MB.7). Grain yield showed positive correlation with pod length, pods per plant, 100-seed weight and harvest index, and negative correlation with days to maturity, plant height, branches per plant, seeds per pod and dry matter yield. Dry matter yield showed positive correlation with days to maturity, plant height and branches per plant, and negative correlation with pods per plant. Pods per plant showed negative correlation with days to maturity, plant height and branches per plant. Days to maturity showed positive correlation with plant height and branches per plant. The correlation between plant height and branches per plant was also positive.
Yield Potential of Cowpea Germplasm
Amanullah,Mir Hatam
Pakistan Journal of Biological Sciences , 2000,
Abstract: Grain yield potential of 20 cowpea (Vigna unguiculata (L.) Walp) germplasm collected from FATA (Federally Administered Tribal Areas) and neglected pockets of NWFP was tested at the Research Farm of NWFP Agricultural University Peshawar during summer 1997. Based on the grain yield potential, the germplasm were divided into three groups in descending order. Germplasm SW.C.31 ranked first by producing maximum yield of 2028 kg/ha, while germplasm SW.C.8 with 1724 kg/ha ranked second. Minimum yield of 22.7 kg/ha was obtained by CH.C.302, followed by SW.C.15 with 26.7 kg/ha. The germplasm in group I viz. SW.C.31, SW.C.8 and MN.C.1 gave 95 and 98% higher yield than group II and group III, respectively. The higher yield in the germplasm of group I, was mainly due to more branches and pods per plant, pod-length and seeds per pod, heavier seeds and maximum dry matter than the germplasm of group II and III and vice versa.
Performance and Nodulation Efficiency of Soybean Cultivars
Amanullah,Mir Hatam
Pakistan Journal of Biological Sciences , 2000,
Abstract: Not Available
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