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Search Results: 1 - 10 of 7149 matches for " Muhammad Naeem "
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Cohen-Macaulay Monomial Ideals of Codimension 2
Muhammad Naeem
Mathematics , 2008,
Abstract: We give a structure theorem for Cohen Macaulay monomial ideals of codimension 2, and describe all possible relation matrices of such ideals. In case that the ideal has a linear resolution, the relation matrices can be identified with the spanning trees of a connected chordal graph with the property that each distinct pair of maximal cliques of the graph has at most one vertex in common.
Quantitative Determination of Fluoxetine in Pharmaceuticals and Plasma Samples Using Bromatometric Method  [PDF]
Jasmin Shah, Muhammad Rasul Jan, Muhammad Naeem Khan, Sadaf Durrani
American Journal of Analytical Chemistry (AJAC) , 2012, DOI: 10.4236/ajac.2012.312109
Abstract: Asensitive and simple spectrophotometric method has been developed for quantitative determination of fluoxetine using bromatometric method. The method is based on the addition of measured excess amount of bromate-bromide mixture to fluoxetine in hydrochloric acid medium. The residual bromine was determined by reacting with a fixed amount ofmethyl orange and absorbance was measured at 505 nm. The amount of bromine reacted corresponds to the amount of fluoxetine. Linear relationship between absorbance and fluoxetine concentration was found and Beer’s law was obeyed in the concentration range of 0.4 - 12 μg·mL–1. The molar absorptivity was found to be 3.8 × 104 L·mol–1·cm–1. The limit of detection and limit of quantification was calculated and found to be 0.32 μg·mL–1 and 1.0 μg·mL–1respectively. The common excipients were investigated for their interferences effect in the assay. The validity of the developed method was checked through recoveries studies and successfully applied to the determination of fluoxetine in bulk powder, pharmaceutical formulations and spiked human plasma samples. The percent recoveries were found to be in the range of 97.0% - 101.0% for pharmaceutical formulations and from 97.0% - 99.0% for spiked human plasma.
Knowledge Discovery in Endangered Species Diversification
Muhammad Naeem,Sohail Asghar
International Journal of Information Technology and Computer Science , 2013,
Abstract: Classification of regional territories and countries related to endangered species has been investigated by data mining techniques and graphical modeling using an extensive data set of species. We developed the graphical models (hereafter referred to as ‘ESDI’) using cosine, jaccard similarity, K Mean clustering and cliques in graph modeling for a large number of countries. Environmental variables associated with species records were identified in context of their diversification to integration with our proposed prototype. We have shown that the problem of finding the most coherent clusters is reducible to finding maximum clique. Key findings include the urge to ameliorate communication about the loss and protection of endangered species and their concerned projects. The proposed framework is presented to serves a portal to knowledge discovery. We have concluded that the proposed framework model and its associated data mining similarity measures can be useful for investigating various scientific and management oriented questions related to protection of endangered species with emphasis on collaboration among regional countries. The rationale behind the proposed approach is that the countries which have been grouped into same clique inherit a lot of argues illustrating common reasons of their struggles towards ecological safety with minimization of perils for endangered species. The development and implementation of a regional approach based on this similar grouping address the actions that could offer significant benefits in achieving their goal for ecological policies. Other critical actions at this clique level include fortifying and elevating harmonization of legal frameworks with emphasis on prevention procedural issues; awareness realizations of endangered species issues and its priority. Such actions will eventually lead towards implementation of essential plans fulfilling co-operative expertise and common endeavors.
Critical period of weed competition with the growth of mungbean.
Muhammad Naeem,Saeed Ahmad
Pakistan Journal of Biological Sciences , 1999,
Abstract: Although plant height was the maximum in weed-free plots, but differences were non-significant among plots having competition up to 30 days after emergence of mungbean. Weed competition with mungbean beyond 30 days after emergence was critical and resulted in considerable reduction in pod length. Maximum biological yield was produced in plots maintained weed-free throughout the growing season. Minimum biological yield was recorded from plots where weed competition prolonged up to 50 days after crop emergence and also up to harvesting of mungbean. Weed competition with mungbean persisting for 20-30 days after crop emergence was very critical and prolonged competition resulted in substantial yield reduction.
Population Dynamics of Filbert aphid, Myzocallis coryli (Goetze) on Hazel bushes to an Agroforestry System
Muhammad Naeem,Steve Compton
Pakistan Journal of Biological Sciences , 2000,
Abstract: The densities of filbert (hazelnut) aphid, Myzocallis coryli (Goetze) on the hazel bushes were measured in both 1993 and 1994. The aphids were present on the hazel during from May to September, and peaked in July. Significantly greater densities of M. coryli were found in block 1 in the tree rows in both years (1993 & 1994). The population densities of aphids on hazel bushes were found to be significantly greater in the forestry plots than in the tree rows. The fewer predators observed provided too small a sample size for any meaningful comparisons of percentage predation to be made.
Morphometric Study of Fresh Water Bighead Carp Aristichthys nobilis from Pakistan in Relation to Body Size
Muhammad Naeem,Abdus Salam
Pakistan Journal of Biological Sciences , 2005,
Abstract: Eighty one Farmed Bighead Aristichthys nobilis of different body size ranging 8.80- 47.81 cm total length and 6.86-1766.0 g body weight were used for the analysis of morphometric variable of head length, head width, dorsal fin length, body girth, body depth, tail length and width in relation to total length and body weight of the fish to investigate allometric growth. It was observed that all these relations showed very high correlations. Slopes of the log transformed data were used to compare with an isometric slope, it was found that all the parameters examined showed isometric growth in relation to either total length or body weight, growth in weight is almost proportional to the cube of its length, the values of the slope which is not consistent with cube law. Regression parameters were found to be highly significant.
Muhammad Naeem ur Rehman
The Professional Medical Journal , 1998,
Abstract: This study was conducted at the department of neurosurgery Allied Hospital Faisalabad where a total of1526 patients of head injury were admitted during four years from January to December 1995. Road TrafficAccident was major cause of head injury in adult age group and fall from height in pediatric age group.Ignorance from law, poor compliance of legislation, had planning of houses were main factors causing headinjury. Gun shot injuries and head injuries due to assault are gradually increasing. The age group withgreatest incidence aged 5-40 years. Mortality in different types of head injuries is also discussed and theinformation gathered from this study would suggest the need to established a head injury preventionprogram in our country. This of course implies major co-operation among the providers of health caredelivery, the medical profession. Legislators and the government at all levels.
Muhammad Naeem Iqbal
The Professional Medical Journal , 1997,
Abstract: In this study we observed the effects of garlic (Allium sativum) powder on lipid profile in hyperlipidaemic patients(fasting serum cholesterol 280 mg / 100 ml or more and / or triglyceride 180 mg / 100ml or more) suffering fromischemic heart disease (IHD) and diabetes mellitus (DM) and compared its effects with those of the standard lipidregulating drug gemfibrozil (Lopid). Nine patients suffering from IHD and DM were put on garlic powder (6 gram/ day) for a period of four weeks, six patients were put on gemfibrozil (1200 mg/day) for a period of four weeks.After completion of the treatment the lipid profile was again examined. The parameters studied were serum totallipids, cholesterol, triglyceride, low density lipoprotein- cholesterol (LDL-C) and high density lipoproteincholesterol(HDL-C). The reduction in the garlic treated group of patients of serum total lipids, cholesterol,triglyceride and LDL-C was more marked as compared the gemfibrozil treated patients. Garlic increased the meansenim HDL-C levels very significantly. All these changes produced by garlic powder are beneficial in patients ofIHD and DM which are at high risk. Serum total lipids, cholesterol, triglycerides and LDL-C directly or indirectlyenhance the process of atherosclerosis, while HDL-C slows this process by taking away cholesterol from arteriestowards the liver for its metabolism and excretion. So garlic is very useful dietary component for slowing theprocess of atherosclerosis and its associated complications in high risk patients if used regularly for a long time.
Muhammad Naeem Iqbal
The Professional Medical Journal , 1998,
Abstract: Common sore throat is very common problem in general practice in our country and especially in our citywhere smoke and dust is a big problem (these are two major allergens for throat and nose) Fifty patientssuffering from common sore throat treated with oxytetracycline for 5 days, all of them were free fromsymptoms after this treatment. I compared the total cost of treatment of this very common problem treatedwith oxytetracycline and other antibiotics commonly used for this disease in general practice. There is a bigdifference of cost, when treated with oxytetracycline for this disease.
Evaluation of Resistance in Some Wheat Cultivars to Tribolium castaneum (Herbst) under Laboratory Conditions
Nazish Bostan,Muhammad Naeem
Asian Journal of Plant Sciences , 2002,
Abstract: Two tests i.e., confinement and antixenosis were performed to evaluate the six wheat cultivars (MH-97, Sariab-92, Rawal-87, Margala-99, Chakwal-86 and Chakwal-97) against Tribolium Castaneum, during March-June 2001, using Randomized Complete Block Design. Data were collected daily for antixenosis test and by an interval of one week for confinement test. After applying statistical results, it was found that for antixenosis test all verities have shown highly significant results. For confinement test, it was found that Chakwal-97 was the most susceptible and Rawal-87 was most resistant. The result showed that there was variability in different wheat cultivars resistance and none of them found to be totally resistant. Although complete resistance was not possible, but some of wheat varieties could be used with specific genetic traits to develop resistant characters. These results also showed that the susceptible variety is most preferable by the pest, so it can be used as a quick and mass laboratory culture of RFB, which may be used in other scientific experiments.
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