Growth of Nano Size Grains in CuInSe2 Thin Films Using E-Beam Deposition Technique (2009)
Ahmed, E., Abid, M. S., Ahmed, W.
Crystalline defects, such as the density of voids, grain boundaries and dislocations in copper based ternary/multinary semiconducting compounds/alloys such as CuInSe2 and CuInxGa1-xSe2 absorber...
A consensus: microbial source tracking (MST) in water (2009)
Stratton, H, Ahmed, W, Katouli, M
Traditionally, water quality regulation and protection of public health has relied on culture-based mthods that quantify faecal indicators such as the coliforms. Since Escherichia coli represents...
Comparison of Molecular Markers to Detect Fresh Sewage in Environmental Waters (2009)
Ahmed, W, Goontilleke, A, Powell, D, Chauhan, K, Gardner, T
Human-specific Bacteroides HF183 (HS-HF183), human-specific E. faecium esp (HS-esp), human-specific adenoviruses (HS-AVs) and human-specific polyomaviruses (HS-PVs) assays were evaluated in...
Design Space Exploration of Partially Re-configurable Embedded Processors (2008)
A. Chattopadhyay, W. Ahmed, K. Karuri, D. Kammler, R. Leupers, G. Ascheid, ...
In today’s embedded processors, performance and flexibility have become the two key attributes. These attributes are often conflicting. The best performance is obtained from custom designed...
Ahmed, W, Hargreaves, M, Goonetilleke, A, Katouli, M
Biochemical fingerprinting (BF) databases of 524 enterococci and 571 Escherichia coli isolates and an antibiotic resistance analysis (ARA) database comprising of 380 E. coli isolates from four...
Harper, J, Ahmed, W, Neller, A H, Tindale, N W, Neller, R J, Kurtboke, D I
The effects that vermiculture (VC) treatment had on the population and community structure of enterococci in domestic biosolids in a residential resort in southeast Queensland were investigated by...
Evaluation of Bacteroides markers for the detection of human faecal pollution (2008)
Ahmed, W, Stewart, J, Powell, D, Gardner, T
Aims: This paper reports on the results of a study aimed at evaluating the specificity and sensitivity of human-specific HF183 and HF134 Bacteroides markers in various host groups and their utility...
Aims: The aim of this study was to identify the prevalence of environmentally adapted enterococci strains by analysing biochemical fingerprinting (BF) data of 3952 enterococci isolates collected over...
Ahmed, W, Stewart, J, Gardner, T, Powell, D
A real-time polymerase chain reaction (PCR) assay using SYBR Green I dye was developed to quantify the Enterococcus faecium enterococci surface protein (esp) marker in sewage (n = 16) and...
Ahmed, W, Stewart, J, Powell, D, Gardner, T
The suitability of the enterococci surface protein (esp) marker to detect human fecal pollution was evaluated by testing 197 fecal samples from 13 host groups in Southeast Queensland, Australia....
Ahmed, W, Powell, D, Goonetilleke, A, Gardner, T
Multiple host-specific molecular markers were used to detect the sources of faecal pollution in a mixed land use non-sewered catchment in Southeast Queensland, Australia. These markers included...
A Fast Orthogonal Search Algorithm For Radial Basis Function Neural Networks (2007)
W. Ahmed, D. M. Hummels, M. T. Musavi
This paper presents a fast orthogonalization process to train a Radial Basis Function (RBF) neural network. The traditional methods for configuring the RBF weights is to use some matrix inversion or...
Ahmed, M, Pilkington, R D, Hill, A E, Amar, M, Ahmed, W, Taylor, H, ...
In this paper the effects of post-deposition annealing followed by hydrogen ion-implantation on the properties of CuIn0.75Ga0.25Se2 thin films have been investigated. The samples were grown by flash...
Identifying Human-Sourced Stormwater Contamination in Three South-East Queensland Catchments (2007)
Steward, J, Ahmed, W, Gardner, T, Brooks, P R, Katouli, M, Tindale, N W, ...
This paper reports on the results of a study aimed at identifying the presence or absence of humansourced faecal material in stormflows from three urbanised non-sewered catchments in South-East...
Limitations of library-dependent microbial source tracking methods (2007)
Over the past 15 years, microbial source tracking (MST) methods have emerged as a management tool for water quality authorities to identify the sources of faecal contamination in receiving waters....
Ahmed, W, Tucker, J, Bettelheim, K A, Neller, R J, Katouli, M
A collection of 366 Escherichia coli strains from 10 host groups and surface waters were tested for the presence of 15 virulence genes associated with strains causing intestinal and extra-intestinal...
Ahmed, W, Stewart, J, Gardner, T, Powell, D, Brooks, P R, Sullivan, D, ...
Library-dependent (LD) (biochemical fingerprinting of Escherichia coli and enterococci) and library-independent (LI) (PCR detection of human-specific biomarkers) methods were used to detect human...
Mandler, RN, Dencoff, JD, Midani, F, Ford, CC, Ahmed, W, Rosenberg, GA
For full-test go to PubMed ID: 11222449
Ahmed, W, Neller, R J, Katouli, M
A biochemical fingerprinting method (the PhPlate system) was used to compare similarities between Escherichia coli and enterococci populations from surface water samples with those found in different...
Ahmed, W, Tucker, J, Harper, J, Neller, R J, Katouli, M
A comparison of the efficacy of an existing large metabolic fingerprint database of enterococci and Escherichia coli with a locally developed database was undertaken to identify the sources of faecal...
Nitric oxide and Angiogenesis (2005)
In the early 1980s, scientists discovered a gas molecule, nitric oxide (NO), previously considered to be merely atmospheric pollutant, is a critical signaling molecule for endothelium-dependent...
Ahmed, W, Neller, R J, Katouli, M
To provide evidence of septic system failure by comparing two faecal indicator bacteria, enterococci and Escherichia coli, from defective septic tanks and adjacent creeks. A biochemical...
Ahmed, W, Neller, R J, Katouli, M
A metabolic fingerprint database of enterococci and Escherichia coli from 10 host groups of animals was developed to trace the sources of fecal contamination in surface waters. In all, 526...
Ahmed, W, Neller, R J, Katouli, M
Faecal indicator microorganisms have long been used by water quality industries to assess the quality of surface, ground and shellfish-harvesting waters. However, none of these indicators are...
Many phenotypic and genotypic methods known as microbial source tracking (MST) methods have been used to trace the source of faecal contamination in surface waters. Advantages and/or disadvantages of...
Leaves of young Nicotiana glutinosa and Nicotiana tabacum var. Xanthi nc plants were rub inoculated with tobacco mosaic virus (TMV) before and after aphid inoculation with potato leafroll virus...
Leaves of young Nicotiana glutinosa and Nicotiana tabacum var. Xanthi nc plants were rub inoculated with tobacco mosaic virus (TMV) before and after aphid inoculation with potato leafroll virus...
Movement and Distribution of Potato Leafroll Virus Antigen in Resistant Potato Genotypes (1999)
Twelve potato clones with variable degrees of resistance to potato leafroll virus (PLRV) were co-infected with potato virus X (PVX) or potato virus Y (PVY) before or after inoculations with PLRV. In...
Movement and Distribution of Potato Leafroll Virus Antigen in Resistant Potato Genotypes (1999)
Twelve potato clones with variable degrees of resistance to potato leafroll virus (PLRV) were co-infected with potato virus X (PVX) or potato virus Y (PVY) before or after inoculations with PLRV. In...
Movement and Distribution of Potato Leafroll Virus Antigen in Resistant Potato Genotypes (1999)
Twelve potato clones with variable degrees of resistance to potato leafroll virus (PLRV) were co-infected with potato virus X (PVX) or potato virus Y (PVY) before or after inoculations with PLRV. In...
Ion-assisted CVD of graded diamond like carbon (DLC) based coatings (1993)
Monaghan, D., Teer, D., Arnell, R., Efeoglu, I., Ahmed, W.
Graded DLC based coatings and multilayers for wear resistance applications have been produced using a novel hybrid unbalanced magnetron sputtering/ low pressure CVD System. The main features of this...
Ion-assisted CVD of graded diamond like carbon (DLC) based coatings (1993)
Monaghan, D., Teer, D., Arnell, R., Efeoglu, I., Ahmed, W.
Graded DLC based coatings and multilayers for wear resistance applications have been produced using a novel hybrid unbalanced magnetron sputtering/ low pressure CVD System. The main features of this...
Ion-assisted CVD of graded diamond like carbon (DLC) based coatings (1993)
Monaghan, D., Teer, D., Arnell, R., Efeoglu, I., Ahmed, W.
Graded DLC based coatings and multilayers for wear resistance applications have been produced using a novel hybrid unbalanced magnetron sputtering/ low pressure CVD System. The main features of this...
LOW PRESSURE MOCVD OF COPPER BASED COMPOUNDS FOR PHOTOVOLTAIC APPLICATIONS (1991)
Pilkington, R., Jones, P., Ahmed, W., Tomlinson, R., Hill, A., Smith, J., ...
In recent years copper based compounds such as copper indium diselenide (CuInSe2, CIS) have emerged as the most promising candidates for high efficiency stable solar cells. To date research has been...
Ahmed, W., Foord, J., Singh, N., Pilkington, R.
A detailed description of a supersonic molecular beam scattering system for investigating surface processes involved in chemical vapour deposition (CVD) is given. The system can be used for both the...
UHV CHEMICAL VAPOUR DEPOSITION OF UNDOPED AND IN-SITU DOPED POLYSILICON FILMS (1991)
Ahmed, W., Pilkington, R., Meakin, D.
The use of low pressure chemical vapour deposition (LPCVD) for the growth of thin films of polysilicon is widely used in integrated circuit fabrication processes. For several emerging technologies,...
LOW PRESSURE MOCVD OF COPPER BASED COMPOUNDS FOR PHOTOVOLTAIC APPLICATIONS (1991)
Pilkington, R., Jones, P., Ahmed, W., Tomlinson, R., Hill, A., Smith, J., ...
In recent years copper based compounds such as copper indium diselenide (CuInSe2, CIS) have emerged as the most promising candidates for high efficiency stable solar cells. To date research has been...
Ahmed, W., Foord, J., Singh, N., Pilkington, R.
A detailed description of a supersonic molecular beam scattering system for investigating surface processes involved in chemical vapour deposition (CVD) is given. The system can be used for both the...
UHV CHEMICAL VAPOUR DEPOSITION OF UNDOPED AND IN-SITU DOPED POLYSILICON FILMS (1991)
Ahmed, W., Pilkington, R., Meakin, D.
The use of low pressure chemical vapour deposition (LPCVD) for the growth of thin films of polysilicon is widely used in integrated circuit fabrication processes. For several emerging technologies,...
LOW PRESSURE MOCVD OF COPPER BASED COMPOUNDS FOR PHOTOVOLTAIC APPLICATIONS (1991)
Pilkington, R., Jones, P., Ahmed, W., Tomlinson, R., Hill, A., Smith, J., ...
In recent years copper based compounds such as copper indium diselenide (CuInSe2, CIS) have emerged as the most promising candidates for high efficiency stable solar cells. To date research has been...
Ahmed, W., Foord, J., Singh, N., Pilkington, R.
A detailed description of a supersonic molecular beam scattering system for investigating surface processes involved in chemical vapour deposition (CVD) is given. The system can be used for both the...
UHV CHEMICAL VAPOUR DEPOSITION OF UNDOPED AND IN-SITU DOPED POLYSILICON FILMS (1991)
Ahmed, W., Pilkington, R., Meakin, D.
The use of low pressure chemical vapour deposition (LPCVD) for the growth of thin films of polysilicon is widely used in integrated circuit fabrication processes. For several emerging technologies,...
Single-dose ampicillin therapy for severe shigellosis in Bangladesh (1981)
Gilman, R.H., Spira, W., Rabbani, H., Ahmed, W., Islam, A., Rahaman, M.M.
To evaluate a more economical regimen for severe shigella dysentery, treatment with single-dose (SD) ampicillin (100 mg/kg) was compared in a randomized trial with results obtained in a conventional...
Ahmed, W., Neller, R., Katouli, M.
A metabolic fingerprint database of enterococci and Escherichia coli from 10 host groups of animals was developed to trace the sources of fecal contamination in surface waters. In all, 526...
Attitudes to organ donation among South Asians in an English high street.
In the UK, people of South Asian origin are at more than twice the risk of end-stage renal failure encountered in the Caucasian population but are under-represented among organ donors. Difficulties...
Ahmed, W., Neller, R., Katouli, M.
A metabolic fingerprint database of enterococci and Escherichia coli from 10 host groups of animals was developed to trace the sources of fecal contamination in surface waters. In all, 526...
Attitudes to organ donation among South Asians in an English high street.
In the UK, people of South Asian origin are at more than twice the risk of end-stage renal failure encountered in the Caucasian population but are under-represented among organ donors. Difficulties...
Effective lipid lowering diets including lean meat
Watts, G F, Ahmed, W, Quiney, J, Houlston, R, Jackson, P, Iles, C, ...
The plasma lipid and lipoprotein responses to two modified isoenergetic diets including meat were studied in 15 free living men with hyperlipidaemia (mean plasma cholesterol and triglyceride...
Cock, H, Mandler, R, Ahmed, W, Schapira, A H
Devic's neuromyelitis optica is a rare syndrome characterised by the combination of acute or subacute optic neuritis and transverse myelitis, in some cases considered to be a variant of multiple...
Effective lipid lowering diets including lean meat
Watts, G F, Ahmed, W, Quiney, J, Houlston, R, Jackson, P, Iles, C, ...
The plasma lipid and lipoprotein responses to two modified isoenergetic diets including meat were studied in 15 free living men with hyperlipidaemia (mean plasma cholesterol and triglyceride...
Ahmed, W., Huygens, F., Goonetilleke, A., Gardner, T.
In this study, the microbiological quality of roof-harvested rainwater was assessed by monitoring the concentrations of Escherichia coli, enterococci, Clostridium perfringens, and Bacteroides spp. in...