Muhammad Ali | Muhammad Ali Jinnah University (original) (raw)
Papers by Muhammad Ali
Frontiers in Microbiology, 2015
A multidisciplinary, collaborative project was conducted to determine the prevalence and distribu... more A multidisciplinary, collaborative project was conducted to determine the prevalence and distribution of soil-borne zoonotic pathogens in Lahore district of Pakistan and ascertain its Public Health Significance. Using a grid-based sampling strategy, soil samples (n = 145) were collected from villages (n = 29, 5 samples/village) and examined for Bacillus anthracis, Burkholderia mallei/pseudomallei, Coxiella burnetii, Francisella tularensis, and Yersinia pestis using real time PCR assays. Chemical analysis of soil samples was also performed on these samples. The relationship between soil composition and absence or presence of the pathogen, and seven risk factors was evaluated. DNA of B. anthracis (CapB), B. mallei/pseudomallei (chromosomal gene), C. burnetii (IS1111, transposase gene), and F. tularensis (lipoprotein/outer membrane protein) was detected in 9.6, 1.4, 4.8, and 13.1% of soil samples, respectively. None of the samples were positive for protective antigen plasmid (PA) of B. anthracis and Y. pestis (plasminogen activating factor, pPla gene). The prevalence of B. anthracis (CapB) was found to be associated with organic matter, magnesium (Mg), copper (Cu), chromium (Cr), manganese (Mn), cobalt (Co), cadmium (Cd), sodium (Na), ferrous (Fe), calcium (Ca), and potassium (K). Phosphorous (P) was found to be associated with prevalence of F. tularensis while it were Mg, Co, Na, Fe, Ca, and K for C. burnetii. The odds of detecting DNA of F. tularensis were 2.7, 4.1, and 2.7 higher when soil sample sites were >1 km from animal markets,…
Lecture Notes in Computer Science, 2001
Proceedings of the 3rd ACM international workshop on Data warehousing and OLAP - DOLAP '00, 2000
ABSTRACT The importance of materialized views has grown significantly with the advent of data war... more ABSTRACT The importance of materialized views has grown significantly with the advent of data warehousing and OLAP technology. This increases the relevance of solutions to the problem of incrementally maintaining materialized views. So far, most w orkon this problem has ...
2010 IEEE Intelligent Vehicles Symposium, 2010
2009 12th International IEEE Conference on Intelligent Transportation Systems, 2009
... Jeffrey Miller Department of Computer Systems Engineering University of Alaska, Anchorage jmi... more ... Jeffrey Miller Department of Computer Systems Engineering University of Alaska, Anchorage jmiller@uaa.alaska.edu Muhammad Ali Department of Mechanical Engineering University of Alaska, Anchorage ali@uaa.alaska.edu ...
This paper presents an experimental kinetic study of liquid propylene polymerization in a totally... more This paper presents an experimental kinetic study of liquid propylene polymerization in a totally-filled batch reactor using a highly-active MgCl2/TiCl4/phthalate/silane/AlR3 catalyst. The effect of reactor filling on the polymerization kinetics has been investigated. In addition, the presence of characteristic pressure profiles is used to estimate the polymerization rate for a fully-filled reactor. This approach is known as a dilatometric method.
The Open Microbiology Journal, 2015
Academy of Management Proceedings, 2014
Lecture Notes in Computer Science, 2010
... European Microsoft Innovation Center Ritterstr. 23, 52072 Aachen, Germany {lbussard,ulrich.pi... more ... European Microsoft Innovation Center Ritterstr. 23, 52072 Aachen, Germany {lbussard,ulrich.pinsdorf}@microsoft.com, muhammad.ali@rwth-aachen.de Abstract. ... For instance, it is not straightforward to delete data when backup copies do exist. ...
2011 2nd IEEE PES International Conference and Exhibition on Innovative Smart Grid Technologies, 2011
ABSTRACT This paper discusses a software tool for automated design and cost benefit analysis of a... more ABSTRACT This paper discusses a software tool for automated design and cost benefit analysis of an offshore grid. The tool utilises a graphical user interface (GUI) and a catalogue of components (cables, transformers, converters, platforms) to design an offshore wind farm and create the corresponding network model. A set of calculations that includes load flow, cable sizing inspection, reactive power compensation, reliability evaluation and evaluation of capital costs is carried out for the purposes of a comprehensive cost benefit analysis. The software tool enables quick and effortless analysis of a number of different offshore wind farm designs. It can be used to optimise the interconnection between wind farms to accommodate requirements for reliability and economic efficiency.
Revista de gastroenterología del Perú : órgano oficial de la Sociedad de Gastroenterología del Perú
The purpose of this study was to evaluate the frequency of upper gastrointestinal hemorrhage asso... more The purpose of this study was to evaluate the frequency of upper gastrointestinal hemorrhage associated with nonsteroidal anti-inflammatory drugs (NSAIDs). This investigation was prospective, descriptive and analytical. We evaluated patients with nonvariceal upper gastrointestinal hemorrhage in the gastroenterological services of the Edgardo Rebagliati, Hipólito Unanue, Dos de Mayo and Cayetano Heredia Hospitals, in Lima-Peru. Patients with chronic liver diseases or variceal hemorrhage were excluded. The statistics tests were calculated using Microsoft Excel and Epiinfo Program. Over the 13-month period a total of 117 patients were enrolled (77 men and 40 women); the average age was of 57.86 years (range: 14-85 years) 63 (54%) were taking NSAIDs; 60% were given aspirin, 28.5% ibuprofen 15.8% diclofenac (and 15.8% naproxen; 31% were taking simultaneously various NSAIDs; 65% was over 60 years old. More prescriptions of NSAIDs came from cardiology, internal medicine and rheumatology. H...
Acta cytologica
The light microscopic features of fine needle aspiration smears from 52 primary hepatocellular ca... more The light microscopic features of fine needle aspiration smears from 52 primary hepatocellular carcinomas were reviewed. Cytologic grading of these tumors, which indicated three grade I, 29 grade II and 20 grade III carcinomas, was compatible with grading done by histologic examination. In addition to the general cellular characteristics, other cytologic features observed in the smears included bile (48% of the cases), large cytoplasmic vacuoles (23%), small cytoplasmic vacuoles (46%), eosinophilic cytoplasmic inclusions (8%), basophilic cytoplasmic inclusions (48%) and intranuclear cytoplasmic inclusions (71%). The significance of these features is briefly discussed.
Human Robot cooperation brings several challenges to au- tonomous robotics such as adoption of a ... more Human Robot cooperation brings several challenges to au- tonomous robotics such as adoption of a pro-active behavior, situation analysis and goal generation, intention explanation and adaptation and choice of a correct behavior toward the human. In this paper, we describe a decisional architecture for human robot interaction which addresses some of these challenges. The description will be centered on a
PURPOSE Clinical diagnosis of multiple sclerosis (MS) is challenging. We hypothesized that MPO-Gd... more PURPOSE Clinical diagnosis of multiple sclerosis (MS) is challenging. We hypothesized that MPO-Gd, a molecular MRI probe specifically for myeloperoxidase can detect subclinical and chronic disease better than DTPA-Gd in a mouse model of MS. METHOD AND MATERIALS Twenty-four female SJL mice were induced with experimental autoimmune encephalomyelitis, a mouse model of MS. To determine the earliest time point for disease detection, mice underwent MRI at 4.7T with a T1 sequence with MPO-Gd (n=8) or DTPA-Gd (n=6) on days 6, 8, and 10 post induction (p.i.). To investigate detection of chronic disease, mice underwent MRI at 4.7T with a T1 sequence with MPO-Gd (n=6) or DTPA-Gd (n=4) at the interval between acute disease and relapse (day 21) and at the relapse (days 24-30). Lesion number and volumes were quantified on post-contrast T1 images. Immunohistochemistry and flow cytometry for brain leukocytes and MPO were also performed. RESULTS MPO-Gd enhanced MRI detected disease earlier (8.0±1.1 ...
PURPOSE Treatment effects in multiple sclerosis (MS) are difficult to quantify. We hypothesized, ... more PURPOSE Treatment effects in multiple sclerosis (MS) are difficult to quantify. We hypothesized, that MPO-Gd (bis-5HT-DTPA-Gd), a molecular MRI probe sensitive and specific for the inflammatory enzyme myeloperoxidase (MPO), can detect therapeutic effects of glatiramer acetate (GA), a current first-line drug in MS, on the molecular level non-invasively. METHOD AND MATERIALS Thirty female SJL mice were induced with experimental autoimmune encephalomyelitis, a mouse model of MS, and treated with either GA (150 μg/day) or saline from day 1 post induction onwards. To determine effects of GA on MPO, mice underwent MRI at 4.7T with MPO-Gd at the disease peak (day 12). Lesion numbers and volume were quantified at 60 minutes post MPO-Gd injection. MPO activity assay and flow cytometry of brain leukocytes were also performed. RESULTS Disease severity was ameliorated with GA treatment (p < 0.01; figure, C). MPO-Gd enhanced MRI detected decreased number of lesions (6.0±0.9 vs. 2.4 ± 0.5, p &...
IEEE International Conference on Communications, 2009
In satellite networks, voice over IP performance is degraded by long delays and low bandwidth. Bo... more In satellite networks, voice over IP performance is degraded by long delays and low bandwidth. Both call setup time and quality of service (QoS) for voice calls are affected. Separate studies have been undertaken for these performance metrics. In this paper, we have carried out experiments using different voice codecs to evaluate SIP call setup time and QoS parameters together.
2009 2nd International Conference on Computer, Control and Communication, 2009
Abstract - Quality means uniformity around a target value. The quality of transmitted voice is an... more Abstract - Quality means uniformity around a target value. The quality of transmitted voice is an important means of gauging performance of equipment and services related to voice communication. This paper shows how normal binary ordering in Quadrature Amplitude ...
Frontiers in Microbiology, 2015
A multidisciplinary, collaborative project was conducted to determine the prevalence and distribu... more A multidisciplinary, collaborative project was conducted to determine the prevalence and distribution of soil-borne zoonotic pathogens in Lahore district of Pakistan and ascertain its Public Health Significance. Using a grid-based sampling strategy, soil samples (n = 145) were collected from villages (n = 29, 5 samples/village) and examined for Bacillus anthracis, Burkholderia mallei/pseudomallei, Coxiella burnetii, Francisella tularensis, and Yersinia pestis using real time PCR assays. Chemical analysis of soil samples was also performed on these samples. The relationship between soil composition and absence or presence of the pathogen, and seven risk factors was evaluated. DNA of B. anthracis (CapB), B. mallei/pseudomallei (chromosomal gene), C. burnetii (IS1111, transposase gene), and F. tularensis (lipoprotein/outer membrane protein) was detected in 9.6, 1.4, 4.8, and 13.1% of soil samples, respectively. None of the samples were positive for protective antigen plasmid (PA) of B. anthracis and Y. pestis (plasminogen activating factor, pPla gene). The prevalence of B. anthracis (CapB) was found to be associated with organic matter, magnesium (Mg), copper (Cu), chromium (Cr), manganese (Mn), cobalt (Co), cadmium (Cd), sodium (Na), ferrous (Fe), calcium (Ca), and potassium (K). Phosphorous (P) was found to be associated with prevalence of F. tularensis while it were Mg, Co, Na, Fe, Ca, and K for C. burnetii. The odds of detecting DNA of F. tularensis were 2.7, 4.1, and 2.7 higher when soil sample sites were &amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;gt;1 km from animal markets,…
Lecture Notes in Computer Science, 2001
Proceedings of the 3rd ACM international workshop on Data warehousing and OLAP - DOLAP '00, 2000
ABSTRACT The importance of materialized views has grown significantly with the advent of data war... more ABSTRACT The importance of materialized views has grown significantly with the advent of data warehousing and OLAP technology. This increases the relevance of solutions to the problem of incrementally maintaining materialized views. So far, most w orkon this problem has ...
2010 IEEE Intelligent Vehicles Symposium, 2010
2009 12th International IEEE Conference on Intelligent Transportation Systems, 2009
... Jeffrey Miller Department of Computer Systems Engineering University of Alaska, Anchorage jmi... more ... Jeffrey Miller Department of Computer Systems Engineering University of Alaska, Anchorage jmiller@uaa.alaska.edu Muhammad Ali Department of Mechanical Engineering University of Alaska, Anchorage ali@uaa.alaska.edu ...
This paper presents an experimental kinetic study of liquid propylene polymerization in a totally... more This paper presents an experimental kinetic study of liquid propylene polymerization in a totally-filled batch reactor using a highly-active MgCl2/TiCl4/phthalate/silane/AlR3 catalyst. The effect of reactor filling on the polymerization kinetics has been investigated. In addition, the presence of characteristic pressure profiles is used to estimate the polymerization rate for a fully-filled reactor. This approach is known as a dilatometric method.
The Open Microbiology Journal, 2015
Academy of Management Proceedings, 2014
Lecture Notes in Computer Science, 2010
... European Microsoft Innovation Center Ritterstr. 23, 52072 Aachen, Germany {lbussard,ulrich.pi... more ... European Microsoft Innovation Center Ritterstr. 23, 52072 Aachen, Germany {lbussard,ulrich.pinsdorf}@microsoft.com, muhammad.ali@rwth-aachen.de Abstract. ... For instance, it is not straightforward to delete data when backup copies do exist. ...
2011 2nd IEEE PES International Conference and Exhibition on Innovative Smart Grid Technologies, 2011
ABSTRACT This paper discusses a software tool for automated design and cost benefit analysis of a... more ABSTRACT This paper discusses a software tool for automated design and cost benefit analysis of an offshore grid. The tool utilises a graphical user interface (GUI) and a catalogue of components (cables, transformers, converters, platforms) to design an offshore wind farm and create the corresponding network model. A set of calculations that includes load flow, cable sizing inspection, reactive power compensation, reliability evaluation and evaluation of capital costs is carried out for the purposes of a comprehensive cost benefit analysis. The software tool enables quick and effortless analysis of a number of different offshore wind farm designs. It can be used to optimise the interconnection between wind farms to accommodate requirements for reliability and economic efficiency.
Revista de gastroenterología del Perú : órgano oficial de la Sociedad de Gastroenterología del Perú
The purpose of this study was to evaluate the frequency of upper gastrointestinal hemorrhage asso... more The purpose of this study was to evaluate the frequency of upper gastrointestinal hemorrhage associated with nonsteroidal anti-inflammatory drugs (NSAIDs). This investigation was prospective, descriptive and analytical. We evaluated patients with nonvariceal upper gastrointestinal hemorrhage in the gastroenterological services of the Edgardo Rebagliati, Hipólito Unanue, Dos de Mayo and Cayetano Heredia Hospitals, in Lima-Peru. Patients with chronic liver diseases or variceal hemorrhage were excluded. The statistics tests were calculated using Microsoft Excel and Epiinfo Program. Over the 13-month period a total of 117 patients were enrolled (77 men and 40 women); the average age was of 57.86 years (range: 14-85 years) 63 (54%) were taking NSAIDs; 60% were given aspirin, 28.5% ibuprofen 15.8% diclofenac (and 15.8% naproxen; 31% were taking simultaneously various NSAIDs; 65% was over 60 years old. More prescriptions of NSAIDs came from cardiology, internal medicine and rheumatology. H...
Acta cytologica
The light microscopic features of fine needle aspiration smears from 52 primary hepatocellular ca... more The light microscopic features of fine needle aspiration smears from 52 primary hepatocellular carcinomas were reviewed. Cytologic grading of these tumors, which indicated three grade I, 29 grade II and 20 grade III carcinomas, was compatible with grading done by histologic examination. In addition to the general cellular characteristics, other cytologic features observed in the smears included bile (48% of the cases), large cytoplasmic vacuoles (23%), small cytoplasmic vacuoles (46%), eosinophilic cytoplasmic inclusions (8%), basophilic cytoplasmic inclusions (48%) and intranuclear cytoplasmic inclusions (71%). The significance of these features is briefly discussed.
Human Robot cooperation brings several challenges to au- tonomous robotics such as adoption of a ... more Human Robot cooperation brings several challenges to au- tonomous robotics such as adoption of a pro-active behavior, situation analysis and goal generation, intention explanation and adaptation and choice of a correct behavior toward the human. In this paper, we describe a decisional architecture for human robot interaction which addresses some of these challenges. The description will be centered on a
PURPOSE Clinical diagnosis of multiple sclerosis (MS) is challenging. We hypothesized that MPO-Gd... more PURPOSE Clinical diagnosis of multiple sclerosis (MS) is challenging. We hypothesized that MPO-Gd, a molecular MRI probe specifically for myeloperoxidase can detect subclinical and chronic disease better than DTPA-Gd in a mouse model of MS. METHOD AND MATERIALS Twenty-four female SJL mice were induced with experimental autoimmune encephalomyelitis, a mouse model of MS. To determine the earliest time point for disease detection, mice underwent MRI at 4.7T with a T1 sequence with MPO-Gd (n=8) or DTPA-Gd (n=6) on days 6, 8, and 10 post induction (p.i.). To investigate detection of chronic disease, mice underwent MRI at 4.7T with a T1 sequence with MPO-Gd (n=6) or DTPA-Gd (n=4) at the interval between acute disease and relapse (day 21) and at the relapse (days 24-30). Lesion number and volumes were quantified on post-contrast T1 images. Immunohistochemistry and flow cytometry for brain leukocytes and MPO were also performed. RESULTS MPO-Gd enhanced MRI detected disease earlier (8.0±1.1 ...
PURPOSE Treatment effects in multiple sclerosis (MS) are difficult to quantify. We hypothesized, ... more PURPOSE Treatment effects in multiple sclerosis (MS) are difficult to quantify. We hypothesized, that MPO-Gd (bis-5HT-DTPA-Gd), a molecular MRI probe sensitive and specific for the inflammatory enzyme myeloperoxidase (MPO), can detect therapeutic effects of glatiramer acetate (GA), a current first-line drug in MS, on the molecular level non-invasively. METHOD AND MATERIALS Thirty female SJL mice were induced with experimental autoimmune encephalomyelitis, a mouse model of MS, and treated with either GA (150 μg/day) or saline from day 1 post induction onwards. To determine effects of GA on MPO, mice underwent MRI at 4.7T with MPO-Gd at the disease peak (day 12). Lesion numbers and volume were quantified at 60 minutes post MPO-Gd injection. MPO activity assay and flow cytometry of brain leukocytes were also performed. RESULTS Disease severity was ameliorated with GA treatment (p < 0.01; figure, C). MPO-Gd enhanced MRI detected decreased number of lesions (6.0±0.9 vs. 2.4 ± 0.5, p &...
IEEE International Conference on Communications, 2009
In satellite networks, voice over IP performance is degraded by long delays and low bandwidth. Bo... more In satellite networks, voice over IP performance is degraded by long delays and low bandwidth. Both call setup time and quality of service (QoS) for voice calls are affected. Separate studies have been undertaken for these performance metrics. In this paper, we have carried out experiments using different voice codecs to evaluate SIP call setup time and QoS parameters together.
2009 2nd International Conference on Computer, Control and Communication, 2009
Abstract - Quality means uniformity around a target value. The quality of transmitted voice is an... more Abstract - Quality means uniformity around a target value. The quality of transmitted voice is an important means of gauging performance of equipment and services related to voice communication. This paper shows how normal binary ordering in Quadrature Amplitude ...