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Shahab M.B.,The University of Lahore | Wahla M.A.,University of South Asia of Pakistan | Mushtaq M.T.,The University of Lahore
2015 38th International Conference on Telecommunications and Signal Processing, TSP 2015 | Year: 2015

This paper proposes a downlink resource scheduling technique for maximized throughput with reduced Block Error Ratio and improved fairness among different users across the cellular region. Resources are allocated to users on the basis of Channel Quality Indicator feedback values in a way that the data rates are increased without compromising on Block Error Ratio and fairness. Channel Quality Indicator feedback values provide critical information about the channel, which enables the scheduler to perform radio resource management functions in the downlink. Simulations are performed on a link level simulator for different scenarios. Results of simulations have been demonstrated, thoroughly explained and compared with the existing scheduling techniques designed for high data rates with and without fairness. © 2015 IEEE.


Waqas M.K.,Islamia University of Bahawalpur | Akhtar N.,Islamia University of Bahawalpur | Shah P.A.,University of Punjab | Danish M.Z.,University of Punjab | And 3 more authors.
Pakistan Journal of Pharmaceutical Sciences | Year: 2016

The aim of current research was to develop a water-in-oil emulsion containing grape seed extract for application in cosmeceuticals. Finally grinded dried grape seeds powder was extracted with hydro alcoholic mixture. Emulsions consisting of different concentrations of cetyl dimethicone (Abile EM90), the nonionic emulsifier, liquid paraffin as oily phase and water as aqueous phase were developed. Color, odor, pH, viscosity, liquefaction, phase separation, centrifugation and thermal stability of the formulated emulsions were observed at various storage temperatures i.e. 8±0.5°C, 25±0.5°C, 40±0.5°C and 40°C±0.5°C with 70% RH. The stable formulation consist of 16% mineral oil, 4% of ABIL EM 90®, 4% grape seeds extract, 1% rose oil and 75% distilled water. All the results derived from this study showed good stability over the three months study period which indicates w/o emulsion can be used as carrier of 4% grape seeds extract to enhance desired effects when applied topically.


Saeed A.,University of South Asia of Pakistan | Raana T.,Government of Pakistan | Saeed A.M.,Kinnaird College for Women | Humayun A.,SheikhKhalifa Bin Zayed Al Nahyan Medical College
Nutrition Journal | Year: 2016

Background: In Pakistan, incidence of antenatal depression ranges from 18 to 80 %, which goes undiagnosed, resulting in maternal and neonatal implications. The current study aimed to examine the association of antenatal depression with maternal dietary intake and neonatal outcome. Methods: A hospital-based, prospective cohort study was conducted on 94 middle class antenatal attendees coming to a tertiary care hospital in Lahore, Pakistan at the beginning of second trimester. Participants fulfilling eligibility were enrolled consecutively after taking written informed consent. Exposure group was identified by Edinburgh Postnatal Depression Scale (EPDS) and cohort members were followed till after delivery. Maternal dietary intake was assessed by 24-h Recall and Food Frequency Checklist, while neonatal outcome was identified through patient files before discharge. Data on potential confounders was collected. Loss to follow up was 13 % (82/94). Data was collected from April-September 2013. Results for 82 participants were analyzed using SPSS version 21. Results: EPDS screened 35/82 (43 %) eligible antenatal attendees as depressed, out of which 16/35 (20 %) were severely depressed and 19/35 (23 %) were moderately depressed. Incidence of poor maternal dietary intake was more in females with antenatal depression. Antenatal depression increased the risk of poor Healthy Eating Index (RR = 2.58, C.I 1.60-5.23, AR = 62 %), carbohydrate <175 gm (RR = 1.188, CI 0.836-1.688, AR = 15 %), protein <71 gm (RR = 1.343, CI 1.059-1.703, AR = 26 %) and fat <55 gm (RR = 2.954, CI 1.612-5.416, AR = 67 %) Incidence of neonatal outcomes included, Fetal Growth Retardation (RR = 2.70, C.I 0.69-3.70, AR = 60 %), preterm birth (RR = 1.60, C.I 0.72-2.45, AR = 54 %), low Apgar score (RR = 2.70, C.I 0.69-3.70, AR = 60 %) and Low Birth Weight (RR = 0.56, C.I 0.93-1.39, AR = -44 %). Conclusion: Antenatal women with depression developed poor dietary intake and had increased incidence of Fetal Growth Retardation, preterm birth and low Apgar score, but not of Low Birth Weight. © 2016 The Author(s).


Saleem M.,Directorate General Extension Livestock and Dairy Development | Rahim I.,University of South Asia of Pakistan | Rueff H.,University of Bern | Rueff H.,University of Oxford | And 5 more authors.
Tropical Animal Health and Production | Year: 2012

This study evaluates the effect of management on the undocumented Achai cattle reproductive performance in transhumant farming systems (TFS) and in sedentary farming systems (SFS) in northwestern Pakistan. Data were collected from 172 households in TFS and 270 households in SFS to analyze the effect of farming systems, parity, and calving season on key reproductive traits. The results show that farming systems significantly affect pubertal age, while parity has no significant effect on any of the key traits. The calving season significantly affects the postpartum anoestrus interval in TFS only. More than 50% of the cows in both systems have postpartum anoestrus intervals and calving intervals within the recommended values for cows in tropical countries. Achai cows have high first-service conception rates (70% and 71% for TFS and SFS, respectively) and require a relatively small number of services per conception (1.53 ± 0.06 and 1.48 ± 0.05 SE for TFS and SFS, respectively). This local breed thus warrants conservation under both farming systems. © 2012 Springer Science+Business Media B.V.


Masood K.,Institute of Nuclear Medicine and Oncology | Zafar J.,COMSATS Institute of Information Technology | Zafar J.,University of South Asia of Pakistan | Zafar H.,National University of Ireland
IEEE Transactions on Plasma Science | Year: 2012

A directly heated line source emitter with beam power (>50 KW/cm 2) is developed. The emitter assembly design parameters and beam characteristics are analyzed using a highly uniform magnetically confined region. Circular cross-sectional tungsten cathodes of diameters 0.9 mm and 1.5 mm were used, and their results are compared. The developed emitter configuration ensures low angular divergence, millisecond evaporation time for large samples, operational reproducibility, and beam stability. The emitter source has been tested by experimentally developing extremely homogeneous magnetic field in large cylindrical region of more than one-half of the coil's diameter. © 2012 IEEE.


Nassar R.-U.-D.,University of South Asia of Pakistan | Soroushian P.,Michigan State University | Ghebrab T.,Texas Tech University
Resources, Conservation and Recycling | Year: 2013

Field investigation of high-volume fly ash (HVFA) concrete in pavement construction was carried out. Test results performed on cores drilled from pavement after 270 days of concrete age showed that use of HVFA results in production of pavement concrete with improvements in: strength; moisture barrier qualities; and abrasive resistance characteristics. These improvements are brought about by the pozzolanic reaction of fly ash with the hydrates of cement that favorably changes the microstructure and interfacial transition zone in the resulting concrete. Use of high volume of fly ash in pavement concrete as partial replacement for cement is estimated to produce major energy and environmental gains and is a practice that is aimed at producing durable and sustainable concrete-based infrastructure. The use of HVFA concrete can significantly economize the construction of concrete pavements and improve the service life of transportation infrastructure. © 2013 Elsevier B.V.


Nesbitt R.C.,London School of Hygiene and Tropical Medicine | MacKey S.,London School of Hygiene and Tropical Medicine | Kuper H.,London School of Hygiene and Tropical Medicine | Muhit M.,In.Sight | And 2 more authors.
Disability and Rehabilitation | Year: 2012

Purpose: Making services available to children with disabilities in low- and middle-income countries does not guarantee their use. This study aims to identify factors associated with the uptake of referrals in order to investigate barriers to service use. Methods: Children with impairments identified in two districts of Bangladesh were invited to attend screening camps where their condition was confirmed; they were provided with referrals for rehabilitation and treatment services. Predictors of referral uptake were identified using logistic regression. Results: Overall referral uptake was 47%, 32% in Sirajganj and 61% in Natore. There was no association between age or gender and referral uptake. Factors predictive of referral uptake were higher income in Sirajganj (OR=2.6 95%CI 1.4-5.0), and the districts combined (OR=1.6 95%CI 1.1-2.1); maternal literacy in Natore (OR=1.6 95%CI 1.0-2.5); and epilepsy in all three models (Sirajganj: OR=2.6 95%CI 1.7-4.0; Natore: OR=13.5 95%CI 6.52-8.3; Combined: OR=4.6 95%CI 3.36.5). Physical impairment was associated with increased odds of uptake in Sirajganj and in the combined model (OR=2.7 95%CI 1.84.1; OR=3.34 95%CI 2.2-5.2). Conclusions: Even when some logistical and financial assistance is available, children with impairment from low-income families may require additional support to take up referrals. There may be greater willingness to accept treatment that is locally provided, such as medication for epilepsy or therapy at village level. Implications for Rehabilitation Providing a referral for treatment or rehabilitation is often not enough to ensure access to service for children with disabilities in low and middle income countries. Uptake of referral can be influenced by many factors, and individuals face different types of barriers. Financial and logistical support can help increase referral uptake. Low monthly income and maternal illiteracy is associated with lower uptake even when assistance is provided. © 2012 Informa UK, Ltd.


Hafiz M.A.,University of Punjab | Idrees M.,Government College University Lahore | Tariq I.,University of Punjab | Amjad S.,University of Punjab | Shah A.A.,University of South Asia of Pakistan
Asian Journal of Chemistry | Year: 2014

A rapid reversed phase liquid chromatographic method was developed and validated for simultaneous HPLC determination of chloramphenicol and prednisolone acetate. The proposed method was effectively applied on separation of chloramphenicol and prednisolone acetate in the presence of excipients and degradation products in eye drops. Chromatographic separation was achieved using combination of ammonium acetate buffer (0.02 M; pH 4) and methanol (30:70 v/v) at a flow rate of 1.5 mL/min. The effluent from column was monitored at 276 and 245 nm for chloramphenicol and prednisolone acetate, respectively. A good linear relationship was observed over the concentration ranges 0.0256-80 and 0.064-200 μg/mL with correlation coefficient 0.9999 and 0.9999 for chloramphenicol and prednisolone acetate, respectively. Calculated LOQ were 36 ng/mL for chloramphenicol and 31 ng/mL for prednisolone acetate. Active ingredients (chloramphenicol and prednisolone acetate) and degradation products were resolved in less than 4 min. The developed method was validated according to ICH guidelines.


Saleem U.,University of Punjab | Saleem U.,Government College University at Faisalabad | Ahmad B.,University of South Asia of Pakistan | Hussain K.,University of Punjab | And 2 more authors.
Asian Journal of Chemistry | Year: 2014

Herbal products are consistently inconsistent due to a number of factors and their standardization is tedious task, and considering its importance, the present study aims to develop and validate an easy method for the standardization of extracts/products prepared from Euphorbia helioscopia (Family: Euphobiaceae) which is a traditional medicinal plant. Three pharmacologically active compounds such as quercetin, myricetin and kaempferol were used as analytical markers to develop and validate a reversed-phase HPLC method. The standards were eluted through column (Eclipse XDB-C18, 5 μm, 4.6 x 150 mm) using isocratic mobile phase comprising methanol and 0.2 % phosphoric acid (65: 35, v/v). The flow rate was kept at 1 mL/min, temperature of the column was maintained at 30°C and detection was carried out at 360 nm. The method was found to be linear for all the three standards in the whole range investigated (R2 = 0.982 to 0.998). The limit of detection (LOD) and limit of quantification (LOQ) for quercetin and myricetin were 0.04 and 0.15 μg/mL, respectively, and kaempferol 0.54 and 1.81 μg/mL. The method showed repeatability and reproducibility with RSD < 5 %. The method was successfully applied to different types of extracts of the plant. Therefore, it is concluded from the study that the method is simple, linear, selective, repeatable and reproducible. Moreover, the method can be applied for the standardization of extracts/exudates of the plant. © 2014, Chemical Publishing Co. All rights reserved.


PubMed | The Islaima University of Bahawalpur, University of South Asia of Pakistan, Federal University of Paraiba and University of Punjab
Type: Journal Article | Journal: Pakistan journal of pharmaceutical sciences | Year: 2016

The aim of current research was to develop a water-in-oil emulsion containing grape seed extract for application in cosmeceuticals. Finally grinded dried grape seeds powder was extracted with hydro alcoholic mixture. Emulsions consisting of different concentrations of cetyl dimethicone (Abile EM90), the nonionic emulsifier, liquid paraffin as oily phase and water as aqueous phase were developed. Color, odor, pH, viscosity, liquefaction, phase separation, centrifugation and thermal stability of the formulated emulsions were observed at various storage temperatures i.e. 80.5C, 250.5C, 400.5C and 40C0.5C with 70% RH. The stable formulation consist of 16% mineral oil, 4% of ABIL EM 90(), 4% grape seeds extract, 1% rose oil and 75% distilled water. All the results derived from this study showed good stability over the three months study period which indicates w/o emulsion can be used as carrier of 4% grape seeds extract to enhance desired effects when applied topically.

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