White, D. G., Datta, A., McDermott, P., Friedman, S., Qaiyumi, S., Ayers, S., ...
Objectives: The objectives of this study were to determine the potential risk of dog treats in transmitting Salmonella to humans in the USA, and to characterize genetic relatedness and antimicrobial...
White, D. G., Datta, A., McDermott, P., Friedman, S., Qaiyumi, S., Ayers, S., ...
Objectives: The objectives of this study were to determine the potential risk of dog treats in transmitting Salmonella to humans in the USA, and to characterize genetic relatedness and antimicrobial...
Simjee, S., White, D. G., Meng, J., Wagner, D. D., Qaiyumi, S., Zhao, S., ...
The prevalence of streptogramin resistance genes in enterococci recovered from retail poultry in the Greater Washington DC area was examined. Forty-three chicken and 32 turkey retail samples were...
Simjee, S., White, D. G., Meng, J., Wagner, D. D., Qaiyumi, S., Zhao, S., ...
The prevalence of streptogramin resistance genes in enterococci recovered from retail poultry in the Greater Washington DC area was examined. Forty-three chicken and 32 turkey retail samples were...
Simjee, S., White, D. G., Meng, J., Wagner, D. D., Qaiyumi, S., Zhao, S., ...
The prevalence of streptogramin resistance genes in enterococci recovered from retail poultry in the Greater Washington DC area was examined. Forty-three chicken and 32 turkey retail samples were...
On the value of the critical point in fractal percolation (1999)
We derive a new lower bound pc > 0:8107 for the critical value of Mandelbrot's dyadic fractal percolation model. This is achieved by taking the random fractal set (to be denoted A 1) and adding to it...
Backbends in directed percolation (1997)
Roy, R., Sarkar, A., White, D.G.
When directed percolation in a bond percolation process does not occur any path to innity on the open bonds will zigzag back and forth through the lattice Backbends are the portions of the zigzags...
Berg, J. Van Der, Meester, R., White, D.G.
Consider an ordinary Boolean model, that is, a homogeneous Poisson point process in Rd, where the points are all centres of random balls with i.i.d. radii. Now let these points move around according...
James, P. A., Hossain, F. K., Lewis, D. A., White, D. G.
Minimum inhibitory concentrations of 13 β-lactam antibiotics (ampicillin, amoxycillin, amoxycillin/clavulanate, imipenem, cefazolin, cefadroxil, cefaclor, cefuroxime, cefotaxime, cefepime,...
Leyland, M. J., Bayston, K. F., Cohen, J., Warren, R., Newland, A. C., Bint, A. J., ...
Three-hundred and twelve episodes of fever in 234 neutropenic patients with haematological malignancies were treated empirically with either imipenem or a combination of piperacillin and gentamicin....
Pitts, M.K., Wilson, D., Phillips, K.C., White, D.G., Shorrocks, Y.
A questionnaire based upon DiClemente's AIDS Information Survey was used to assess knowledge, attitudes and beliefs about AIDS and estimates of personal risk. It was completed by 238 students at the...
Three-day and one-day chemotherapy for urinary tract infections in general practice (1981)
Charlton, C. A. C., Crowther, A., Davies, J. G., Dines, J., Jackson, G. E., Mann, P. G., ...
The length of time a named antibiotic should be given to eradicate a urinary tract infection in the adult non-pregnant female seen in a general practitioner's surgery has been further investigated. A...
Diagnostic techniques for CO₂ laser generated plasmas / (1980)
Thesis (Ph.D.), Dept. of Physics -- University of Essex, 1980.
Diagnostic techniques for CO2 laser generated plasmas. (1980)
Thesis (Ph. D.)--University of Essex, 1980.
Koutsolioutsou, Anastasia, Martins, Elizabeth A., White, D. G., Levy, S. B., Demple, Bruce
The soxRS regulon is activated by redox-cycling drugs such as paraquat and by nitric oxide. The >15 genes of this system provide resistance to both oxidants and multiple antibiotics. An association...
Variation within the vat(E) Allele of Enterococcus faecium Isolates from Retail Poultry Samples
Simjee, S., McDermott, P. F., Wagner, D. D., White, D. G.
In a survey of retail meat samples, twelve quinupristin-dalfopristin-resistant (MICs, ≥4 mg/liter) Enterococcus faecium isolates that carried a vat(E) gene were recovered. DNA sequence comparison...
Simjee, S., White, D. G., Wagner, D. D., Meng, J., Qaiyumi, S., Zhao, S., ...
Sixteen isolates of Enterococcus faecalis were recovered from retail poultry samples (seven chickens and nine turkeys) purchased from grocery stores in the greater Washington, D.C., area. PCR for...
Simjee, S., White, D. G., McDermott, P. F., Wagner, D. D., Zervos, M. J., Donabedian, S. M., ...
Thirty-five enterococcal isolates were recovered from dogs diagnosed with urinary tract infections at the Michigan State University Veterinary Teaching Hospital over a 2-year period (1996 to 1998)....
Goldman, J D, White, D G, Levy, S B
The multiple antibiotic resistance (mar) locus in Escherichia coli consists of two divergently expressed operons (marC and marRAB), both of which contribute to the Mar phenotype. Overexpression of...
White, D G, Maneewannakul, K, Von Hofe, E, Zillman, M, Eisenberg, W, Field, A K, ...
The multiple antibiotic resistance operon (marORAB) in Escherichia coli controls intrinsic susceptibility and resistance to multiple, structurally different antibiotics and other noxious agents. A...
Ngeleka, M, Kwaga, J K, White, D G, Whittam, T S, Riddell, C, Goodhope, R, ...
Thirty-nine Escherichia coli isolates from broiler chickens with cellulitis were serotyped and analyzed for clonal relationships by multilocus enzyme electrophoresis. The isolates were further...
White, D G, Goldman, J D, Demple, B, Levy, S B
Escherichia coli K-12 strains are normally tolerant to n-hexane and susceptible to cyclohexane. Constitutive expression of marA of the multiple antibiotic resistance (mar) locus or of the soxS or...
Kapur, V, White, D G, Wilson, R A, Whittam, T S
Major outer membrane proteins were isolated from 36 Escherichia coli strains representing six common clones of the O2 and O78 serogroups implicated in avian colisepticemia. Clonal relationships among...
Laboratory investigation of Acanthamoeba keratitis.
Kilvington, S, Larkin, D F, White, D G, Beeching, J R
Following the diagnosis of Acanthamoeba keratitis in a contact lens wearer, the antimicrobial susceptibility of the clinical isolate and the environmental source of the infection were investigated....
White, D G, Harmon, R J, Langlois, B E
A fluorogenic assay for the detection of beta-glucosidase was developed as part of a simplified conventional method to distinguish Staphylococcus warneri and Staphylococcus hominis isolated from...
Kilvington, S, Beeching, J R, White, D G
Restriction endonuclease digestion of Acanthamoeba whole-cell DNA was used to study the relationship between 33 morphologically identical strains from keratitis cases (30 strains), contact lens...
Characterization of Salmonella enterica Serotype Newport Isolated from Humans and Food Animals
Zhao, S., Qaiyumi, S., Friedman, S., Singh, R., Foley, S. L., White, D. G., ...
Salmonella enterica serotype Newport isolates resistant to at least nine antimicrobials (including extended-spectrum cephalosporins), known as serotype Newport MDR-AmpC isolates, have been rapidly...
Genetic relationships among strains of avian Escherichia coli associated with swollen-head syndrome.
White, D G, Wilson, R A, Gabriel, A S, Saco, M, Whittam, T S
Genetic diversity among 22 Escherichia coli strains isolated from chickens with swollen-head syndrome (SHS), an acute respiratory disease of domestic poultry, and 93 strains isolated from birds with...
Incidence of penicillin tolerance among blood culture isolates of Streptococcus sanguis, 1987-88.
James, P A, Young, S E, White, D G
Laboratories that reported isolations of Streptococcus sanguis from blood cultures to the Communicable Disease Surveillance Centre (CDSC) Colindale were requested to submit strains to Bath Public...
Rapid identification of thermophilic Naegleria, including Naegleria fowleri using API ZYM system.
The suitability of the API ZYM system for identifying thermophilic Naegleria species, based on enzyme presence and activity, was investigated. Replicate testing on strains of N fowleri, N...
Dyer, N W, Ward, A C, Weiser, G C, White, D G
Ninety pharyngeal tonsils were collected from 2-year-old American bison (Bison bison) bulls and sampled for members of the Pasteurellaceae family. Particular attention was paid to seasonal incidence...
Harbottle, H., White, D. G., McDermott, P. F., Walker, R. D., Zhao, S.
In the United States, multidrug-resistant phenotypes of Salmonella enterica serotype Newport (commonly referred to as MDR-AmpC) have emerged in animals and humans and have become a major public...
Martin, W., White, D. G., Henderson, A. H.
1. Two directly-acting stimulants of soluble guanylate cyclase, glyceryl trinitrate (0.1 microM) and sodium azide (10 microM), and a receptor-mediated stimulant of particulate guanylate cyclase,...
1. Production of endothelium-derived relaxing factor (EDRF) by primary cultures of pig aortic endothelial cells was assessed indirectly by measuring endothelial cyclic GMP content, and prostacyclin...
Endothelin ETA and ETB receptors mediate vascular smooth muscle contraction.
Sumner, M. J., Cannon, T. R., Mundin, J. W., White, D. G., Watts, I. S.
1. We have investigated the receptors mediating endothelin-induced contraction of rabbit isolated jugular vein (RJV) and rat isolated thoracic aorta (RTA). 2. Endothelin-1 (ET-1) and endothelin-3...
White, D. G., Drew, G. M., Gurden, J. M., Penny, D. M., Roach, A. G., Watts, I. S.
1. The role played by the endothelium-derived relaxing factor (EDRF), nitric oxide (NO) in the regulation of blood flow to the skeletal muscle vasculature of the dog skinned hindlimb has been...
Buchan, K. W., Alldus, C., Christodoulou, C., Clark, K. L., Dykes, C. W., Sumner, M. J., ...
1. A number of putative endothelin (ET) receptor ligands were synthesized with a view to assessing their relative affinity for human recombinant ET receptors. 2. Human (h) and endothelin ETA and ETB...
Martin, W., Morgan, R. O., Smith, J. A., White, D. G.
We examined the effects of haemoglobin (which inhibits the vascular responses to stimulation of soluble guanylate cyclase) and of M&B 22,948 (which selectively inhibits cyclic GMP phosphodiesterase)...
Martin, W., Smith, J. A., White, D. G.
The mechanisms by which haemoglobin and methaemoglobin inhibit the vasodilator actions of glyceryl trinitrate, sodium azide, nitric oxide, and the bovine retractor penis inhibitory factor (IF) were...
White, D.G., Tiberius, R., Talbot, Y., Schiralli, V., Rickett, M.
To evaluate whether feedback to medical students could be improved by asking teachers to complete a student performance rating form during a family practice clerkship, the authors had students and...
White, D. G., Mundin, J. W., Sumner, M. J., Watts, I. S.
1. This study has investigated the effects of the endothelin isopeptides, endothelin-1 (ET-1), ET-2 and ET-3 on the production of the endothelium-derived relaxing factors, nitric oxide (NO) and...
Combined effect of infection and heavy wrapping on the risk of sudden unexpected infant death.
Gilbert, R, Rudd, P, Berry, P J, Fleming, P J, Hall, E, White, D G, ...
Three methods were used to investigate the role of infection in sudden unexpected infant death (SUD): (i) microbiological comparison of SUD victims and matched, live, community controls; (ii)...
Zhao, S., White, D. G., Friedman, S. L., Glenn, A., Blickenstaff, K., Ayers, S. L., ...
Salmonella enterica serovar Heidelberg frequently causes food-borne illness in humans. There are few data on the prevalence, antimicrobial susceptibility, and genetic diversity of Salmonella serovar...