Amir Shahzad - Academia.edu (original) (raw)
Papers by Amir Shahzad
Applied Sciences
Stainless-steel fibre hybrid spun yarns are becoming increasingly popular due to their wide range... more Stainless-steel fibre hybrid spun yarns are becoming increasingly popular due to their wide range of applications. In this aspect, the cost-effective and scalable processing of such yarns is highly important. Stainless-steel staple fibres are relatively heavier and weaker compared to conventional textile fibres. As a result, the staple spinning processing of these fibres showing higher tensile strength and productivity both at the same time is quite challenging. In this manuscript, we explored a number of spinning techniques to find the optimised method of producing low-twist and high-strength stainless-steel fibre hybrid spun yarns offering the advantage of both quality and productivity. Conventional ring spinning, folding and twisting, and advanced ring spinning techniques (ARSTs) such as pneumatic compact ring spinning and pneumatic compact SIRO spinning were employed in this study. Additionally, the plain and SIRO yarns were produced in two forms using the compact spinning metho...
BioMed Research International
Background. Table olives are becoming well recognized as a source of probiotic bacteria that migh... more Background. Table olives are becoming well recognized as a source of probiotic bacteria that might be used to create a health-promoting fermented food product by traditional procedures based on the activities of indigenous microbial consortia present in local environments. Methodology. In the present study, the characterization of probiotic bacteria isolated from mince, chunks, and brine of fermented green and black olives (Olea europaea) was done based on morphological, biochemical, and physiological characteristics. Results. Bacterial isolates demonstrated excellent survival abilities at 25, 37, and 45°C and at a variable range of pH. However, the optimum temperature is 37 and the optimum pH is 7 for all three isolates. An antimicrobial susceptibility pattern was found among these isolates through the disc diffusion method. Most of the isolates were susceptible to streptomycin, imipenem, and chloramphenicol, whereas, amoxicillin showed resistance to these isolates, and variable re...
Symmetry
The use of information–theoretical methodologies to assess graph-based systems has received a sig... more The use of information–theoretical methodologies to assess graph-based systems has received a significant amount of attention. Evaluating a graph’s structural information content is a classic issue in fields such as cybernetics, pattern recognition, mathematical chemistry, and computational physics. Therefore, conventional methods for determining a graph’s structural information content rely heavily on determining a specific partitioning of the vertex set to obtain a probability distribution. A network’s entropy based on such a probability distribution is obtained from vertex partitioning. These entropies produce the numeric information about complexity and information processing which, as a consequence, increases the understanding of the network. In this paper, we study the Benes network and its novel-derived classes via different entropy measures, which are based on information functionals. We construct different partitions of vertices of the Benes network and its novel-derived cl...
Drones
Possibly the most critical phase of an Unmanned Air Vehicle (UAV) flight is landing. To reduce th... more Possibly the most critical phase of an Unmanned Air Vehicle (UAV) flight is landing. To reduce the risk due to pilot error, autonomous landing systems can be used. Environmental disturbances such as wind shear can jeopardize safe landing, therefore a well-adjusted and robust control system is required to maintain the performance requirements during landing. The paper proposes a loop-shaping-based Model Predictive Control (MPC) approach for autonomous UAV landings. Instead of conventional MPC plant model augmentation, the input and output weights are designed in the frequency domain to meet the transient and steady-state performance requirements. Then, the H∞ loop shaping design procedure is used to synthesize the state-feedback controller for the shaped plant. This linear state-feedback control law is then used to solve an inverse optimization problem to design the cost function matrices for MPC. The designed MPC inherits the small-signal characteristics of the H∞ controller when co...
BioMed Research International
Many synthetic routes manufacture zirconium nanoparticles in metal oxide, nitride, and other comb... more Many synthetic routes manufacture zirconium nanoparticles in metal oxide, nitride, and other combination forms. Coupled with other variables such as concentration, pH, and form of precursor used, the various synthetic methods support synthesizing the zirconium metal oxide nanoparticles with changed features. Various synthetic methods were studied, such as sol-gel, hydrothermal, laser ablation, and precipitation. All have different synthetic routes, different precursors and solvents were sued, and the product was characterized by SEM, TEM, photo luminance spectroscopy, UV-absorption spectroscopy, and powder X-ray diffraction. X-ray diffraction determined the crystal structure by identifying the crystal shape, arrangement of atoms, and spacing between them. SEM and TEM studied the particle size and morphology of nanoparticles. UV-visible absorption spectroscopy and PL spectroscopy were used for the determination of optical properties of nanoparticles. Zirconium oxide nanoparticles hav...
Pakistan Journal of Medical and Health Sciences
Aim: To investigate the association between left ventricular thrombosis (LVT) and adverse cardio-... more Aim: To investigate the association between left ventricular thrombosis (LVT) and adverse cardio-cerebrovascular events in anterior acute ST segment elevation myocardial infarction patients who had undergone primary percutaneous coronary intervention. Study design: A retrospective study. Study place and duration: From 22nd Oct 2020 to 22nd Oct 2021 at the Cardiology department of Ch.Pervaiz Elahi Institute of Cardiology Multan. Methodology: The study included patients who were identified with anterior acute ST segment elevation myocardial infarction and received primary percutaneous intervention within the first 12 hours following onset. Patients were specifically evaluated for being treated with oral vitamin K antagonists (VKA) at discharge along with their assessment of the international normalized ratio (INR). The primary endpoint was considered as the occurrence of major cardio-cerebrovascular events, the secondary endpoint was the resolution of thrombus in LVT patients within 1...
International Conference of Energy Harvesting, Storage, and Transfer, 2018
International Journal for Electronic Crime Investigation, 2019
This research paper is concerned with focused critical analysis of cyber terrorism laws in Pakist... more This research paper is concerned with focused critical analysis of cyber terrorism laws in Pakistan. Cyberspace is now becoming a battlefield where terrorists are active on dark net and using digital tunnel for which every country of the world has to take necessary steps for global peace, in the same way Pakistan needs an effective legislation and its efficient implementation. We explore here some crucial questions regarding cyberterrorism threats, cyber terrorism laws, implementation challenges and some recommendations based on current situation as well as a slight glance on future perspective of the topic Cyber terrorism law, implementation and the ways forward
This thesis is mainly concerned with the efficient solution of a linear discrete-time finite hori... more This thesis is mainly concerned with the efficient solution of a linear discrete-time finite horizon optimal control problem (FHOCP) with quadratic cost and linear constraints on the states and inputs. In predictive control, such a FHOCP needs to be solved online at each sampling instant. In order to solve such a FHOCP, it is necessary to solve a quadratic programming (QP) problem. Interior point methods (IPMs) have proven to be an efficient way of solving quadratic programming problems. A linear system of equations needs to be solved in each iteration of an IPM. The ill-conditioning of this linear system in the later iterations of the IPM prevents the use of an iterative method in solving the linear system due to a very slow rate of convergence; in some cases the solution never reaches the desired accuracy. A new well-conditioned IPM, which increases the rate of convergence of the iterative method is proposed. The computational advantage is obtained by the use of an inexact Newton ...
Asian Journal of Allied Health Sciences (AJAHS), 2021
Probiotics have been the core area of study since last few decades due to their immense beneficia... more Probiotics have been the core area of study since last few decades due to their immense beneficial effects on human health. They are widely incorporated as a verity of products in food industry. Prebiotics are the commonly used fibers and when used in combination with probiotics are called as synbiotics, thus enhancing the probiotic activity. Several in vitro and in vivo studies have revealed the application of these microbiota management tool for the prevention and cure of diseases. Diarrhea prevention, atopiceczema, dental care, cancer therapy and treatment of bowel syndrome are the various health benefits provided by probiotic activity. These wonderful microorganisms have the enzymatic activity of breakdowning the food macromolecules, secretion of anti rnicrobial substances, anti-carcinogenicability, enhancing immune system, improved ability in producing short-chain fatty acid, anti atherogenicability, allergen regulation, anti-virulence activity, treatment of urinary tract infec...
The Professional Medical Journal, 2011
Objectives: To compare the improvement in renal function tests (RFTs) of type 2 diabetic patients... more Objectives: To compare the improvement in renal function tests (RFTs) of type 2 diabetic patients who were taking glimeperide alone and this drug in combination with piogliatzone and pioglitazone alone. Data source: Data was analyzed using ANOVA. P < 0.05 was taken as significant. Study Design: Randomized prospective study. Setting: This study was conducted in the diabetic clinic of Fauji Foundation hospital Rawalpindi and the tests were analyzed in the Biochemistry Lab of Islamic International Medical College Rawalpindi. Duration of study: 12 weeks. Materials & Methods: Blood glucose levels were determined by glucose oxidase method (globe marketing GD Italy), HbA1c by Microlab 200, urea/creatinine /uric acid by Selectra E & micro albumin by Spin colour. Results: No significant differences were observed for the variables of hemoglobin A1c, uric acid and urinary albumin P >0.05. Significant decreases were observed in the levels of fasting plasma glucose, urea and creatinine P&l...
The Professional Medical Journal, 2016
Objectives: To determine the in hospital mortality of convulsive status epilepticusin a tertiary ... more Objectives: To determine the in hospital mortality of convulsive status epilepticusin a tertiary care facility. Study Design: Cross sectional study. Place and Duration of Study:Neurology ward, Jinnah Postgraduate Medical Centre, Karachi, Medicine Department ofPeoples University Of Medical And Health Sciences Nawabshah from July 2015- Dec 2015.Material and Methods: All patients of either gender with age >15 years with status epilepticus,were included in the study. A detailed clinical history and relevant neurological examinationwas performed. All the patients who fulfill the inclusion criteria were enrolled in the study afterinformed written consent and explanation of the study protocol. All the information including inhospital mortality was entered on annexed proforma. All the patients were observed three to fivedays. Results: A total of 108 patients were included in this study fulfilling the inclusion criteria.The overall mean age of these patients was 31.3 ± 13.5 years. The age...
Europasian Journal of Medical Sciences, 2020
Background: Transfusion Transmitted Infections (TTIs) are going to hit as a major risk factor in ... more Background: Transfusion Transmitted Infections (TTIs) are going to hit as a major risk factor in overpopulated regions of the world comprising thalassaemia as a main concern. The variety of infectious diseases that transfer from blood donors to thalassaemia patients leading complications which result in delay hemolytic transfusion reactions and different types of infections whose causative agents may be HBV, HCV, HIV and Syphilis etc. Epidemiology: The thalassaemia affects almost 4.4 of every 10000 births worldwide although its rate in Pakistan is 5000 to 10000 births per year with 5-7 % estimated carrier rate. The blood transfusion and transmissible infections ratio in low income countries is as, HIV presence is from 0.33% to 1.66%, HBV presence is from 2.00% to 4.50%, HCV presence is from 0.50% to2.23% and Syphilis presence is from 0.60% to 1.81%. Diagnostics: The Immuno-chromatographic tests are affordable and can be valid to be used for blood screening throughout world. Blood samples should be processed for a counter check via ELISA/ CLIA and NAT technique to eliminate risk of HBV, HCV, HIV and syphilis deadly infections. Treatment: Patients must be provided regular blood transfusion to keep average hemoglobin level at 10-12 g/dl. Other treatments include Iron Chelation therapy which is mandatory for better life expectancy as well as splenectomy, stem cell transplant and gene therapy. Conclusion: The blood transfusion infections based on ICT (Immuno-chromatographic technique) prove unreliable while CLIA (ChemiluminescenceImmunoassay) is reliable comparatively due to capturing weak positive and low titer infectious agents. In order to avoid the delayed hemolytic transfusion reactions it is enforced to detect the subgroups of blood like A (A1 and A2) and AB (A1B and A2B).
EMITTER International Journal of Engineering Technology, 2020
Data analysis of social media posting continues to offer a huge variety of information about the ... more Data analysis of social media posting continues to offer a huge variety of information about the health situation faced by an individual. Social networking or social media websites provide us a wealth of information generated by users in a variety of domains, that generated information are unstructured and unlabeled and are not captured in an exceedingly systematic manner, as info generated is not humanly possible to process due to its size. One traditional way of collecting patients experience is by conducting surveys and questionnaires, as these methods ask fixed questions and are expensive to administer. In this paper, a patient feedback platform (PFP) using free text sentiment analysis is developed to computationally identify and categorize the polarity expressed in a piece of text. Six machine learning latest algorithms have been used as key evaluation for evaluating accuracy of the developed (PFP) model. Results achieved have shown 88 % accuracy on the basis of which it is rec...
Proceedings of the 2nd International Conference of Energy Harvesting, Storage, and Transfer (EHST'18), Jun 1, 2018
Contact electrification, from untapped sources in our environment has been suggested as an altern... more Contact electrification, from untapped sources in our environment has been suggested as an alternative way for electricity generation with the global energy crisis as compared to burning fossil fuels. Tribo effect with electrostatic induction is vastly used for contact electrification for energy generation. Usually, a material has same triboelectric properties along the surface, it can either generate positive charge or negative tribo charge after come in contact, depending on the relative position in triboelectric series. But, ferroelectric materials has a unique property that its triboelectric properties can be controlled via its poling direction and magnitude. Generally, in highly poled layer, one side has completely opposite triboelectric properties as compared to the other side. That is, if positive charge will appear on one side than negative charge on other side after come in contact with same metallic material. This communication will briefly discuss about the triboelectric properties of a poled ferroelectric material. It also introduces a different configured triboelectric generator consisting of one polymer layer that generates electricity when both sides of the layer come in contact with same metallic electrode.
The Professional Medical Journal, Feb 10, 2019
Material and Methods: This study was a hospital based study in which sampling was done through a ... more Material and Methods: This study was a hospital based study in which sampling was done through a purposive sampling technique. A total of 160 patients admitted with stroke were included in our study. After taking informed consent patient's relevant history and examination were carried out. CT-Scan was done to confirm and different between ischemic and hemorrhagic stroke. SPSS version 17.0 was used to analyze the collected data. Results: Ischemic stroke was observed in 105 (66%) patients and 55 (34%) were suffered hemorrhagic stroke. Hypertension was 100% in both types of storks in ischemic stroke and hemorrhagic stroke. Rate of diabetes mellitus, dyslipidemia and smoking were significantly high in hemorrhagic stroke than ischemic stroke (p<0.01). Conclusion: We found a high prevalence of ischemic stroke than hemorrhagic stroke in our population. Among associated factors gender, hypertension, dyslipidemia, diabetes and smoking were prevalent in both ischemic and hemorrhagic stroke patients.
RSC Advances, 2018
The structural color in 2D nanoparticle colloid photonic crystal can be switched by using both el... more The structural color in 2D nanoparticle colloid photonic crystal can be switched by using both electrohydrodynamic flow and Maxwell–Wagner polarization.
Autex Research Journal, 2018
The objective of this study was to model the physical and mechanical properties of 100% cotton sl... more The objective of this study was to model the physical and mechanical properties of 100% cotton slub yarns commonly used in denim and other casual wear. Statistical models were developed using central composite experimental design of the response surface methodology. Yarn’s linear density, slub thickness, slub length and pause length were used as the key input variables while yarn strength, elongation, coefficient of mass variation, imperfections and hairiness were used as response/output variables. It was concluded that yarn strength and elongation increased with increase in linear density and pause length, and decreased with increase in slub thickness and slub length. Yarn mass variation and total imperfections increased with increase in slub thickness and pause length, whereas yarn imperfections and hairiness decreased with increase in slub length. It was further concluded that due to statistically significant square and interaction effects of some of the input variables, only the...
Pakistan Journal of Geology, 2017
The tape-compass-clinometer method was used in gauging the thickness of stratigraphic units on to... more The tape-compass-clinometer method was used in gauging the thickness of stratigraphic units on topographic bevels by taping the intercepts. The dips of the beds and slope's inclinations were determined. The appropriate formula was used in the thickness estimation. The graphic columnar section was finally compiled on the Sed. Log 3.0 version to display the geology. The worked example includes the measurement of stratigraphic section of rocks in the District Poonch, Azad Jammu and Kashmir, Pakistan. The study was helpful in understanding the fluvial depositional environment of the Nagri Formation in the region and favours meandering and braided fluvial depositional pattern in continental environment.
Nanomaterials (Basel, Switzerland), Jan 25, 2018
In this report, we designed and synthesized polyacrylonitrile/silver (PAN/AgNPs) nanofibers via a... more In this report, we designed and synthesized polyacrylonitrile/silver (PAN/AgNPs) nanofibers via an in-situ method to obtain a washable with high-dispersed silver nanoparticles membrane to form the hierarchically organized antibacterial mask to prevent the two-way effect of bacteria from person to environment and environment to person. For this objective, the electrospun PAN nanofibers were stabilized via the heating method. Different amounts of AgNPs were loaded into the PAN nanofibers by using silver nitrate and sodium hydroxide solutions. The basic results showed that AgNPs was homogenously loaded in PAN nanofiber matrixes. Furthermore, the release profile based on two-stage release theory showed that when the negligible amount of AgNPs was loaded into the nanofibers, the release significantly decreased, whereas antibacterial activity increased. The greatest potential antibacterial activity of the lowest amount of AgNPs showed controllable AgNPs release from PAN nanofibers that ha...
Applied Sciences
Stainless-steel fibre hybrid spun yarns are becoming increasingly popular due to their wide range... more Stainless-steel fibre hybrid spun yarns are becoming increasingly popular due to their wide range of applications. In this aspect, the cost-effective and scalable processing of such yarns is highly important. Stainless-steel staple fibres are relatively heavier and weaker compared to conventional textile fibres. As a result, the staple spinning processing of these fibres showing higher tensile strength and productivity both at the same time is quite challenging. In this manuscript, we explored a number of spinning techniques to find the optimised method of producing low-twist and high-strength stainless-steel fibre hybrid spun yarns offering the advantage of both quality and productivity. Conventional ring spinning, folding and twisting, and advanced ring spinning techniques (ARSTs) such as pneumatic compact ring spinning and pneumatic compact SIRO spinning were employed in this study. Additionally, the plain and SIRO yarns were produced in two forms using the compact spinning metho...
BioMed Research International
Background. Table olives are becoming well recognized as a source of probiotic bacteria that migh... more Background. Table olives are becoming well recognized as a source of probiotic bacteria that might be used to create a health-promoting fermented food product by traditional procedures based on the activities of indigenous microbial consortia present in local environments. Methodology. In the present study, the characterization of probiotic bacteria isolated from mince, chunks, and brine of fermented green and black olives (Olea europaea) was done based on morphological, biochemical, and physiological characteristics. Results. Bacterial isolates demonstrated excellent survival abilities at 25, 37, and 45°C and at a variable range of pH. However, the optimum temperature is 37 and the optimum pH is 7 for all three isolates. An antimicrobial susceptibility pattern was found among these isolates through the disc diffusion method. Most of the isolates were susceptible to streptomycin, imipenem, and chloramphenicol, whereas, amoxicillin showed resistance to these isolates, and variable re...
Symmetry
The use of information–theoretical methodologies to assess graph-based systems has received a sig... more The use of information–theoretical methodologies to assess graph-based systems has received a significant amount of attention. Evaluating a graph’s structural information content is a classic issue in fields such as cybernetics, pattern recognition, mathematical chemistry, and computational physics. Therefore, conventional methods for determining a graph’s structural information content rely heavily on determining a specific partitioning of the vertex set to obtain a probability distribution. A network’s entropy based on such a probability distribution is obtained from vertex partitioning. These entropies produce the numeric information about complexity and information processing which, as a consequence, increases the understanding of the network. In this paper, we study the Benes network and its novel-derived classes via different entropy measures, which are based on information functionals. We construct different partitions of vertices of the Benes network and its novel-derived cl...
Drones
Possibly the most critical phase of an Unmanned Air Vehicle (UAV) flight is landing. To reduce th... more Possibly the most critical phase of an Unmanned Air Vehicle (UAV) flight is landing. To reduce the risk due to pilot error, autonomous landing systems can be used. Environmental disturbances such as wind shear can jeopardize safe landing, therefore a well-adjusted and robust control system is required to maintain the performance requirements during landing. The paper proposes a loop-shaping-based Model Predictive Control (MPC) approach for autonomous UAV landings. Instead of conventional MPC plant model augmentation, the input and output weights are designed in the frequency domain to meet the transient and steady-state performance requirements. Then, the H∞ loop shaping design procedure is used to synthesize the state-feedback controller for the shaped plant. This linear state-feedback control law is then used to solve an inverse optimization problem to design the cost function matrices for MPC. The designed MPC inherits the small-signal characteristics of the H∞ controller when co...
BioMed Research International
Many synthetic routes manufacture zirconium nanoparticles in metal oxide, nitride, and other comb... more Many synthetic routes manufacture zirconium nanoparticles in metal oxide, nitride, and other combination forms. Coupled with other variables such as concentration, pH, and form of precursor used, the various synthetic methods support synthesizing the zirconium metal oxide nanoparticles with changed features. Various synthetic methods were studied, such as sol-gel, hydrothermal, laser ablation, and precipitation. All have different synthetic routes, different precursors and solvents were sued, and the product was characterized by SEM, TEM, photo luminance spectroscopy, UV-absorption spectroscopy, and powder X-ray diffraction. X-ray diffraction determined the crystal structure by identifying the crystal shape, arrangement of atoms, and spacing between them. SEM and TEM studied the particle size and morphology of nanoparticles. UV-visible absorption spectroscopy and PL spectroscopy were used for the determination of optical properties of nanoparticles. Zirconium oxide nanoparticles hav...
Pakistan Journal of Medical and Health Sciences
Aim: To investigate the association between left ventricular thrombosis (LVT) and adverse cardio-... more Aim: To investigate the association between left ventricular thrombosis (LVT) and adverse cardio-cerebrovascular events in anterior acute ST segment elevation myocardial infarction patients who had undergone primary percutaneous coronary intervention. Study design: A retrospective study. Study place and duration: From 22nd Oct 2020 to 22nd Oct 2021 at the Cardiology department of Ch.Pervaiz Elahi Institute of Cardiology Multan. Methodology: The study included patients who were identified with anterior acute ST segment elevation myocardial infarction and received primary percutaneous intervention within the first 12 hours following onset. Patients were specifically evaluated for being treated with oral vitamin K antagonists (VKA) at discharge along with their assessment of the international normalized ratio (INR). The primary endpoint was considered as the occurrence of major cardio-cerebrovascular events, the secondary endpoint was the resolution of thrombus in LVT patients within 1...
International Conference of Energy Harvesting, Storage, and Transfer, 2018
International Journal for Electronic Crime Investigation, 2019
This research paper is concerned with focused critical analysis of cyber terrorism laws in Pakist... more This research paper is concerned with focused critical analysis of cyber terrorism laws in Pakistan. Cyberspace is now becoming a battlefield where terrorists are active on dark net and using digital tunnel for which every country of the world has to take necessary steps for global peace, in the same way Pakistan needs an effective legislation and its efficient implementation. We explore here some crucial questions regarding cyberterrorism threats, cyber terrorism laws, implementation challenges and some recommendations based on current situation as well as a slight glance on future perspective of the topic Cyber terrorism law, implementation and the ways forward
This thesis is mainly concerned with the efficient solution of a linear discrete-time finite hori... more This thesis is mainly concerned with the efficient solution of a linear discrete-time finite horizon optimal control problem (FHOCP) with quadratic cost and linear constraints on the states and inputs. In predictive control, such a FHOCP needs to be solved online at each sampling instant. In order to solve such a FHOCP, it is necessary to solve a quadratic programming (QP) problem. Interior point methods (IPMs) have proven to be an efficient way of solving quadratic programming problems. A linear system of equations needs to be solved in each iteration of an IPM. The ill-conditioning of this linear system in the later iterations of the IPM prevents the use of an iterative method in solving the linear system due to a very slow rate of convergence; in some cases the solution never reaches the desired accuracy. A new well-conditioned IPM, which increases the rate of convergence of the iterative method is proposed. The computational advantage is obtained by the use of an inexact Newton ...
Asian Journal of Allied Health Sciences (AJAHS), 2021
Probiotics have been the core area of study since last few decades due to their immense beneficia... more Probiotics have been the core area of study since last few decades due to their immense beneficial effects on human health. They are widely incorporated as a verity of products in food industry. Prebiotics are the commonly used fibers and when used in combination with probiotics are called as synbiotics, thus enhancing the probiotic activity. Several in vitro and in vivo studies have revealed the application of these microbiota management tool for the prevention and cure of diseases. Diarrhea prevention, atopiceczema, dental care, cancer therapy and treatment of bowel syndrome are the various health benefits provided by probiotic activity. These wonderful microorganisms have the enzymatic activity of breakdowning the food macromolecules, secretion of anti rnicrobial substances, anti-carcinogenicability, enhancing immune system, improved ability in producing short-chain fatty acid, anti atherogenicability, allergen regulation, anti-virulence activity, treatment of urinary tract infec...
The Professional Medical Journal, 2011
Objectives: To compare the improvement in renal function tests (RFTs) of type 2 diabetic patients... more Objectives: To compare the improvement in renal function tests (RFTs) of type 2 diabetic patients who were taking glimeperide alone and this drug in combination with piogliatzone and pioglitazone alone. Data source: Data was analyzed using ANOVA. P < 0.05 was taken as significant. Study Design: Randomized prospective study. Setting: This study was conducted in the diabetic clinic of Fauji Foundation hospital Rawalpindi and the tests were analyzed in the Biochemistry Lab of Islamic International Medical College Rawalpindi. Duration of study: 12 weeks. Materials & Methods: Blood glucose levels were determined by glucose oxidase method (globe marketing GD Italy), HbA1c by Microlab 200, urea/creatinine /uric acid by Selectra E & micro albumin by Spin colour. Results: No significant differences were observed for the variables of hemoglobin A1c, uric acid and urinary albumin P >0.05. Significant decreases were observed in the levels of fasting plasma glucose, urea and creatinine P&l...
The Professional Medical Journal, 2016
Objectives: To determine the in hospital mortality of convulsive status epilepticusin a tertiary ... more Objectives: To determine the in hospital mortality of convulsive status epilepticusin a tertiary care facility. Study Design: Cross sectional study. Place and Duration of Study:Neurology ward, Jinnah Postgraduate Medical Centre, Karachi, Medicine Department ofPeoples University Of Medical And Health Sciences Nawabshah from July 2015- Dec 2015.Material and Methods: All patients of either gender with age >15 years with status epilepticus,were included in the study. A detailed clinical history and relevant neurological examinationwas performed. All the patients who fulfill the inclusion criteria were enrolled in the study afterinformed written consent and explanation of the study protocol. All the information including inhospital mortality was entered on annexed proforma. All the patients were observed three to fivedays. Results: A total of 108 patients were included in this study fulfilling the inclusion criteria.The overall mean age of these patients was 31.3 ± 13.5 years. The age...
Europasian Journal of Medical Sciences, 2020
Background: Transfusion Transmitted Infections (TTIs) are going to hit as a major risk factor in ... more Background: Transfusion Transmitted Infections (TTIs) are going to hit as a major risk factor in overpopulated regions of the world comprising thalassaemia as a main concern. The variety of infectious diseases that transfer from blood donors to thalassaemia patients leading complications which result in delay hemolytic transfusion reactions and different types of infections whose causative agents may be HBV, HCV, HIV and Syphilis etc. Epidemiology: The thalassaemia affects almost 4.4 of every 10000 births worldwide although its rate in Pakistan is 5000 to 10000 births per year with 5-7 % estimated carrier rate. The blood transfusion and transmissible infections ratio in low income countries is as, HIV presence is from 0.33% to 1.66%, HBV presence is from 2.00% to 4.50%, HCV presence is from 0.50% to2.23% and Syphilis presence is from 0.60% to 1.81%. Diagnostics: The Immuno-chromatographic tests are affordable and can be valid to be used for blood screening throughout world. Blood samples should be processed for a counter check via ELISA/ CLIA and NAT technique to eliminate risk of HBV, HCV, HIV and syphilis deadly infections. Treatment: Patients must be provided regular blood transfusion to keep average hemoglobin level at 10-12 g/dl. Other treatments include Iron Chelation therapy which is mandatory for better life expectancy as well as splenectomy, stem cell transplant and gene therapy. Conclusion: The blood transfusion infections based on ICT (Immuno-chromatographic technique) prove unreliable while CLIA (ChemiluminescenceImmunoassay) is reliable comparatively due to capturing weak positive and low titer infectious agents. In order to avoid the delayed hemolytic transfusion reactions it is enforced to detect the subgroups of blood like A (A1 and A2) and AB (A1B and A2B).
EMITTER International Journal of Engineering Technology, 2020
Data analysis of social media posting continues to offer a huge variety of information about the ... more Data analysis of social media posting continues to offer a huge variety of information about the health situation faced by an individual. Social networking or social media websites provide us a wealth of information generated by users in a variety of domains, that generated information are unstructured and unlabeled and are not captured in an exceedingly systematic manner, as info generated is not humanly possible to process due to its size. One traditional way of collecting patients experience is by conducting surveys and questionnaires, as these methods ask fixed questions and are expensive to administer. In this paper, a patient feedback platform (PFP) using free text sentiment analysis is developed to computationally identify and categorize the polarity expressed in a piece of text. Six machine learning latest algorithms have been used as key evaluation for evaluating accuracy of the developed (PFP) model. Results achieved have shown 88 % accuracy on the basis of which it is rec...
Proceedings of the 2nd International Conference of Energy Harvesting, Storage, and Transfer (EHST'18), Jun 1, 2018
Contact electrification, from untapped sources in our environment has been suggested as an altern... more Contact electrification, from untapped sources in our environment has been suggested as an alternative way for electricity generation with the global energy crisis as compared to burning fossil fuels. Tribo effect with electrostatic induction is vastly used for contact electrification for energy generation. Usually, a material has same triboelectric properties along the surface, it can either generate positive charge or negative tribo charge after come in contact, depending on the relative position in triboelectric series. But, ferroelectric materials has a unique property that its triboelectric properties can be controlled via its poling direction and magnitude. Generally, in highly poled layer, one side has completely opposite triboelectric properties as compared to the other side. That is, if positive charge will appear on one side than negative charge on other side after come in contact with same metallic material. This communication will briefly discuss about the triboelectric properties of a poled ferroelectric material. It also introduces a different configured triboelectric generator consisting of one polymer layer that generates electricity when both sides of the layer come in contact with same metallic electrode.
The Professional Medical Journal, Feb 10, 2019
Material and Methods: This study was a hospital based study in which sampling was done through a ... more Material and Methods: This study was a hospital based study in which sampling was done through a purposive sampling technique. A total of 160 patients admitted with stroke were included in our study. After taking informed consent patient's relevant history and examination were carried out. CT-Scan was done to confirm and different between ischemic and hemorrhagic stroke. SPSS version 17.0 was used to analyze the collected data. Results: Ischemic stroke was observed in 105 (66%) patients and 55 (34%) were suffered hemorrhagic stroke. Hypertension was 100% in both types of storks in ischemic stroke and hemorrhagic stroke. Rate of diabetes mellitus, dyslipidemia and smoking were significantly high in hemorrhagic stroke than ischemic stroke (p<0.01). Conclusion: We found a high prevalence of ischemic stroke than hemorrhagic stroke in our population. Among associated factors gender, hypertension, dyslipidemia, diabetes and smoking were prevalent in both ischemic and hemorrhagic stroke patients.
RSC Advances, 2018
The structural color in 2D nanoparticle colloid photonic crystal can be switched by using both el... more The structural color in 2D nanoparticle colloid photonic crystal can be switched by using both electrohydrodynamic flow and Maxwell–Wagner polarization.
Autex Research Journal, 2018
The objective of this study was to model the physical and mechanical properties of 100% cotton sl... more The objective of this study was to model the physical and mechanical properties of 100% cotton slub yarns commonly used in denim and other casual wear. Statistical models were developed using central composite experimental design of the response surface methodology. Yarn’s linear density, slub thickness, slub length and pause length were used as the key input variables while yarn strength, elongation, coefficient of mass variation, imperfections and hairiness were used as response/output variables. It was concluded that yarn strength and elongation increased with increase in linear density and pause length, and decreased with increase in slub thickness and slub length. Yarn mass variation and total imperfections increased with increase in slub thickness and pause length, whereas yarn imperfections and hairiness decreased with increase in slub length. It was further concluded that due to statistically significant square and interaction effects of some of the input variables, only the...
Pakistan Journal of Geology, 2017
The tape-compass-clinometer method was used in gauging the thickness of stratigraphic units on to... more The tape-compass-clinometer method was used in gauging the thickness of stratigraphic units on topographic bevels by taping the intercepts. The dips of the beds and slope's inclinations were determined. The appropriate formula was used in the thickness estimation. The graphic columnar section was finally compiled on the Sed. Log 3.0 version to display the geology. The worked example includes the measurement of stratigraphic section of rocks in the District Poonch, Azad Jammu and Kashmir, Pakistan. The study was helpful in understanding the fluvial depositional environment of the Nagri Formation in the region and favours meandering and braided fluvial depositional pattern in continental environment.
Nanomaterials (Basel, Switzerland), Jan 25, 2018
In this report, we designed and synthesized polyacrylonitrile/silver (PAN/AgNPs) nanofibers via a... more In this report, we designed and synthesized polyacrylonitrile/silver (PAN/AgNPs) nanofibers via an in-situ method to obtain a washable with high-dispersed silver nanoparticles membrane to form the hierarchically organized antibacterial mask to prevent the two-way effect of bacteria from person to environment and environment to person. For this objective, the electrospun PAN nanofibers were stabilized via the heating method. Different amounts of AgNPs were loaded into the PAN nanofibers by using silver nitrate and sodium hydroxide solutions. The basic results showed that AgNPs was homogenously loaded in PAN nanofiber matrixes. Furthermore, the release profile based on two-stage release theory showed that when the negligible amount of AgNPs was loaded into the nanofibers, the release significantly decreased, whereas antibacterial activity increased. The greatest potential antibacterial activity of the lowest amount of AgNPs showed controllable AgNPs release from PAN nanofibers that ha...