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Ho Pak-Leung PL Centre of Infection and University of Hong - - 2014
Few studies have described how an expanding elderly population influences the burden of antimicrobial resistance in micro-organisms. This study aimed to investigate trends in aged-stratified extended-spectrum β-lactamases (ESBL)-positive Escherichia coli metrics in relation to an aging population. The antimicrobial resistance database of E. coli from a healthcare region in Hong ...
Bernard Helen - - 2014
Laboratory-confirmed norovirus illness is reportable in Germany since 2001. Reported case numbers are known to be undercounts, and a valid estimate of the actual incidence in Germany does not exist. An increase of reported norovirus illness was observed simultaneously to a large outbreak of Shiga toxin-producing E. coli O104:H4 in ...
Gopi D D Department of Chemistry, Periyar University, Salem 636011, Tamil Nadu, India; Centre for Nanoscience and Nanotechnology, Periyar University, Salem 636011, Tamil Nadu, India. Electronic address: - - 2014
The present work is aimed at the synthesis of antibacterial and bioactive silver/magnesium co-substituted hydroxyapatite (Ag/Mg-HAP) powders. For this purpose, firstly, different concentrations (0.5, 1.5, 2.5wt.%) of silver substituted HAP (Ag-HAP) powders were prepared by ultrasonic irradiation technique and were characterized by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), ...
Marti Hans-Peter HP Department of Clinical Medicine, University of Bergen, Bergen, - - 2014
We have previously described a transcriptomic classifier consisting of metzincins and related genes (MARGS) discriminating kidneys and other organs with or without fibrosis from human biopsies. We now apply our MARGS-based algorithm to a rat model of age-associated interstitial renal fibrosis. Untreated Fisher 344 rats (n = 76) were sacrificed ...
Moriarty Elaine M EM Christchurch Science Centre, Institute of Environmental Science and Research (ESR) Ltd, Christchurch, New - - 2014
Sheep faeces are known to harbor to a high concentration of microbial indicators and pathogens. These can be released under rainfall and may result in contamination of waterways, potentially leading to illnesses in humans. A study was designed to determine the concentration of E. coli released from fresh and aged ...
Lim Poon Nian PN Department of Mechanical Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117 576, - - 2014
An integrated approach is proposed to incorporate silicon and silver into hydroxyapatite (HA) to enhance the biological response and reduce implant-related infection in bone substitutes. This study examined the responses of Staphylococcus aureus (S. aureus) and Escherichia coli (E. coli) bacteria to silver, silicon-containing apatite (Ag,Si-HA). Scanning electron microscopy images revealed ...
Moon Hee-Won HW Konkuk - - 2014
There are sparse data concerning sex- and age-specific characteristics of community-acquired bacteremia (CAB) and hospital-acquired bacteremia (HAB). Between January 2008 and December 2012, we identified 2,956 bacteremia cases, which we classified as CAB, HAB, or healthcare-associated bacteremia (HCAB). Almost half of the pathogens were Escherichia coli in CAB patients. By ...
Priester John H JH Bren School of Environmental Science & Management, University of California, Santa Barbara, CA 93106, USA. - - 2013
Because of microbial resistance to conventional antibiotics, there is increasing interest in silver, including silver nanoparticles (nano-Ag), in antimicrobial applications. However, questions remain regarding the relative roles of nano-Ag particles, versus Ag(+) ions released from nano-Ag dissolution, in imparting bacterial toxicity. Here, we developed a novel nano-Ag that, based on ...
Ivask Angela - - 2013
Silver nanoparticles (Ag NPs) are commonly added to various consumer products and materials to impair bacterial growth. Recent studies suggested that the primary mechanism of antibacterial action of silver nanoparticles is release of silver ion (Ag(+)) and that particle-specific activity of silver nanoparticles is negligible. Here, we used a genome-wide ...
Chu Y Y YY Department of Materials and Optoelectronic Science, National Sun Yat-Sen University, Kaohsiung 804, Taiwan, - - 2014
Thin film metallic glasses (TFMGs) are demonstrated to exhibit excellent surface flatness, high corrosion resistance and satisfactory hydrophobic properties. Moreover, the antimicrobial and biocompatibility abilities of TFMGs are examined and the results are compared with the behavior of pure Ag and 316L stainless steel. Three TFMGs, Al48Ag37Ti15, Zr54Ti35Si11, and Zr59Ti22Ag19, ...
Herkendell Katharina - - 2014
In order to address the problem of bacterial infections in bone-substitution surgery, it is essential that bone replacement biomaterials are equipped with bactericidal components. This research aims to optimize the content of silver (Ag), a well-known antibacterial metal, in a multiwalled carbon nanotube (CNT) reinforced hydroxyapatite (HA) composite, to yield ...
Gao Peng - - 2013
Synthesis of efficient visible-light-driven photocatalyst is urgent but challenging for environmental remediation. In this work, for the first time, the hierarchical plasmonic sulfonated graphene oxide-ZnO-Ag (SGO-ZnO-Ag) composites were prepared through nanocrystal-seed-directed hydrothermal method combining with polyol-reduction process. The results indicated that SGO-ZnO-Ag exhibited much faster rate in photodegradation of Rhodamine ...
Kunkalekar R K - - 2013
Palladium, ruthenium and silver-doped MnO2 and silver doped Mn2O3 nanoparticles were synthesized by simple co-precipitation technique. SEM-TEM analysis revealed the nano-size of these synthesized samples. XPS data illustrates that Mn is present in 4+ and 3+ oxidation states in MnO2 and Mn2O3 respectively. Thermal analysis gave significant evidence for the ...
Noordmans Gerda A - - 2013
Aging of the kidney is associated with renal damage, in particular mesangial matrix expansion (MME). Identifying the genes involved in this process will help to unravel the mechanisms of aging and aid in the design of novel therapeutic modalities aimed at prevention and regression. In this study, structural changes in ...
Werber Dirk - - 2013
We pooled data on adults who reported diarrhea or developed life-threatening hemolytic uremic syndrome (HUS) in any of 6 closed cohorts from 4 countries (1 cohort each in Denmark, France, and Sweden and 3 in Germany) that were investigated during a large outbreak of Shiga toxin-producing Escherichia coli (STEC) O104:H4 ...
Liu Lei - - 2013
Multifunctional nanocomposites (GO-TiO2-Ag) integrating 2D GO sheets, 1D TiO2 nanorods and 0D Ag nanoparticles were synthesized via a facile two-phase method and characterized by various analytical techniques including TEM, EDS and XRD. The GO-TiO2-Ag nanocomposites demonstrate remarkably enhanced photocatalytic activities in degrading AO 7 and phenol under solar irradiation compared ...
Lo Denise Swei - - 2013
Choosing the antimicrobial agent for initial therapy of urinary tract infection (UTI) is usually empirical and should consider the prevalence of uropathogens in different age groups and gender. To establish prevalence rates of uropathogens in community-acquired UTI in relation to age and gender. Crosssectional study conducted in the emergency department ...
Singh Shiv - - 2013
The antibacterial potential of copper (Cu) and silver (Ag) nanoparticles dispersed in a phenolic resin precursor-based multi-scale web of carbon microfibers (ACFs) and nanofibers (CNFs) was assessed in this study. The multi-scale web of ACF/CNF was prepared by growing the CNFs on the ACF substrate by chemical vapor deposition (CVD).The ...
Zhao Liang - - 2013
AIMS: The objectives of this study were to investigate the correlations between Shiga toxin producing Escherichia coli (STEC) shedding and fecal microflora in beef cattle and to identify functional species that might be used for STEC control. METHODS AND RESULTS: Fecal samples were collected from 110 calves and 92 dams. ...
Reddy Sushma S Department of Oral Pathology and Microbiology, Vydehi Institute of Dental Sciences and Research Centre, Bangalore, Karnataka, - - 2013
Onychophagia or habitual nail-biting is widespread among children and adolescents, between 10 and 18 years. Prevalence estimates range from 30% during childhood to 45% in adolescence. Nail-biting habit can result in autoinoculation of pathogens and transmission of infection between body parts. The purpose of the study was to evaluate the ...
Chikhaoui Mira - - 2013
This study was carried out of 4,419 animals raised in an extensive system on local breed sheep of the Tiaret region during 2 years (2010-2011) to determine some clinical and pathological aspects associated to caseous lymphadenitis (CL). Clinical examination revealed a prevalence rate of 5.7 %. CL prevalence rate was significantly higher ...
Tang Jia - - 2013
Recently, graphene oxide (GO)-based nanocomposite has raised significant interests in many different areas, one of which being antibacterial agents where sliver nanoparticles (AgNPs) anchored GO (GO-Ag) has shown promising potentials. However, to our best knowledge, factors affecting its antibacterial activity as well as the underlying mechanism remain unclear. In this ...
Wang Xiaoping - - 2013
A series of Ag-AgBr/TiO2 composites were prepared by a sol-gel method followed by photoreduction. Effect of Ag-AgBr content on the physicochemical properties and antibacterial activities of the Ag-AgBr/TiO2 composites was investigated. These composites showed intrinsic antibacterial activities against Escherichia coli (E. coli) in the dark attributed to the Ag nanoparticles ...
Moore Grant H GH NYU School of Medicine, New York Eye and Ear Infirmary, New York, NY, - - 2013
The purpose of the study is to determine the degree of intereye asymmetry of optic disc topography and retinal nerve fiber layer (RNFL) thickness in healthy individuals of African descent (AD) and European descent (ED). Observational, clinical study. Five hundred nineteen healthy individuals (AD, n=262, mean age=44.9 years; ED, n=257, ...
McGregor Jessina C - - 2013
Urinary tract infections (UTIs) are one of the most common infections treated in ambulatory care settings, however the epidemiology differs by age and sex. The incidence of UTI is far greater in females than males, and infection in pediatric patients is more often due to anatomical abnormalities. The purpose of ...
Gupta Kiran - - 2013
This paper reports the structural and optical properties and comparative photocatalytic activity of TiO2 and Ag-doped TiO2 nanoparticles against different bacterial strains under visible-light irradiation. The TiO2 and Ag-doped TiO2 photocatalysts were synthesized by acid catalyzed sol-gel technique and characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), UV-vis spectroscopy ...
Olowe Oa - - 2013
Asymptomatic bacteriuria in elderly individuals has been well described in institutionalized settings, but to a lesser extent in the community. The purpose of this study was to determine the pathogens responsible for asymptomatic bacteriuria in elderly and middle-aged individuals in Alajue-Ede, South-Western Nigeria, and to identify any associated factors. Mid-stream ...
Visnapuu Meeri - - 2013
Silver nanoparticles are extensively used in antibacterial applications. However, the mechanisms of their antibacterial action are not yet fully explored. We studied the solubility-driven toxicity of 100 × 6100 nm (mean primary diameter × length) silver nanowires (NWs) to recombinant bioluminescent Escherichia coli as a target representative of enteric pathogens. The ...
Gonidakis Stavros S Department of Biological Sciences, Ethel Percy Andrus Gerontology Center, University of Southern California, Los Angeles, CA, - - 2013
Bacteria, which are often considered as avid reproductive organisms under constant selective pressure to utilize available nutrients to proliferate, might seem an inappropriate model to study aging. However, environmental conditions are rarely supporting the exponential growth that is most often studied in laboratories. In the wild, Escherichia coli inhabits environments ...
Zhang Desuo - - 2013
In order to fabricate antibacterial cotton fabric with excellent antibacterial property and laundering durability, amino functional silver nanoparticles (Ag NPs) were prepared by one-step reaction with amino-terminated hyperbranched polymer (HBP-NH(2)) and grafted on the oxidized cotton fabric subsequently. The synthesized amino functional Ag NPs and Ag NPs grafted oxidized cotton ...
Kumar Virendra - - 2012
Plasma polymerized polyacrylic acid (PPAA) was deposited on a polymer substrate, namely polyethylene terephthalate (PET) mesh, for entrapment of silver nanoparticle (Ag-NP) in order to achieve antibacterial property to the material. Carboxylic groups of PPAA act as anchor as well as capping and stabilizing agents for Ag-NPs synthesized by chemical ...
Stanton A L - - 2012
Bovine respiratory disease complex (BRD) is a common disease in weaned dairy calves that incurs economic and welfare costs. This study was an extension of a randomized clinical trial in which a single injection of tulathromycin (TUL) or oxytetracycline (TET) was administered at first movement to group housing for the ...
Dada Oluyemi Ebenezer - - 2012
Bacteriuria in urinary tract infection is severe and associated with considerable morbidity if left untreated. Therefore, the aim of the study was to evaluate the prevalence of bacteriuria among primary and secondary school pupils in Akure North Local Government Area. The study included subjects from the highly populated schools in ...
Rasmussen Finn - - 2012
BACKGROUND: Epidemiological data have linked obesity with an increased risk of asthma but the mechanisms responsible for this relationship remain unknown. One possible mechanism, which has received little attention, could be the effect of cholesterol metabolism on airway smooth muscle function. The present study investigated the association between airway hyperresponsiveness ...
Kuzmina T A - - 2012
The aims of the study were to determine fecundity of several strongylid species parasitizing domestic horses and analyze possible relations between numbers of eggs in female uteri and size of both the eggs and the nematodes as well as the influence of fecundity on proportion of species in the strongylid ...
Wood E L D - - 2012
SUMMARY Cyathostomins are the most prevalent equine intestinal parasites and resistance has been reported in these nematodes against all 3 licensed anthelmintic classes. Strategies need to be developed that are less dependent upon drugs and more reliant on management-based control. To develop these we need to understand natural transmission patterns ...
Holzhauer M - - 2012
To estimate the prevalence of claw disorders in youngstock and first parity heifers and to evaluate the effect of grazing on claw disorders, 10 Dutch dairy herds participated in a 2-year longitudinal study. Five herds were zero-grazed, while in the other five herds cows and youngstock had access to pasture ...
Derr James N - - 2012
  Hybridization between endangered species and more common species is a significant problem in conservation biology because it may result in extinction or loss of adaptation. The historical reduction in abundance and geographic distribution of the American plains bison (Bison bison bison) and their recovery over the last 125 years ...
Edrington T S - - 2012
The objective of the current study was to examine the effect of pasteurization of waste milk, used to feed dairy calves, on the bacterial diversity of their lower gut. Using 16S rDNA bacterial tag-encoded FLX amplicon pyrosequencing, fecal samples from dairy calves, ages 1wk to 6mo old and fed either ...
Keawrayup S - - 2012
A study of species diversity of Stomoxys spp. and diurnal variations of activity of the most abundant was performed during a one year period at a local dairy cattle farm in Wang Nam Khiao District, Nakhon Ratchasima Province, Thailand. Four species of stomoxyine flies were morphologically identified, including Stomoxys indicus ...
Rodas-González A - - 2012
An experiment was conducted to determine the effects of zilpaterol hydrochloride supplementation (ZH; 8.3 mg/kg on a DM basis for 20 d) and calcium chloride injection (CaCl2, 200 mM at 5% wt/wt at 72 h postmortem) on palatability traits of beef strip loin steaks. Select (USDA) strip loins were obtained ...
Orłowska Lidia - - 2013
Wild boar were studied in the Gryfino-Mysliborz region of Poland where high-density populations inflict great damage to farmlands. The reproductive tracts from carcasses bagged during the 2008/2009 hunting season were analysed for numbers of corpora lutea and embryos. The objective was to determine the reproduction rate in a wild boar ...
Yilmaz Onur - - 2012
The aim of this study was to determine models which will be used for the estimation of adult live weights based on some body measurements using multiple regression model in Karya sheep of different age groups. Animal material of the study consisted of a total of 215 Karya sheep. Least ...
Slack J - - 2012
BACKGROUND: Upper reference limits for cTnI have not been established for healthy Standardbred racehorses. OBJECTIVES: To establish cTnI upper reference limits for Standardbred racehorses and determine if increases in plasma cTnI concentration can be detected in 1-2 hours after a race. ANIMALS: Samples were obtained from 586 apparently healthy Standardbreds aged ...
Wang Julie C JC Division of Cardiovascular Medicine, University of Cambridge, Addenbrooke's Hospital, Cambridge, - - 2012
Atherosclerosis is classed as a disease of aging, such that increasing age is an independent risk factor for the development of atherosclerosis. Atherosclerosis is also associated with premature biological aging, as atherosclerotic plaques show evidence of cellular senescence characterized by reduced cell proliferation, irreversible growth arrest and apoptosis, elevated DNA ...
Girard I - - 2012
Myofibrillar (MF-SF) and connective tissue (CT-SF) peak shear forces were interpolated from Warner-Bratzler shear force (SF) deformation curves of cooked bovine M. gluteus medius (GM) and M. semitendinosus (ST) from 112 crossbred steers in a 2×2×2 factorial experiment examining the interactions between slaughter age, growth promotants and breed cross (British ...
de Jong I C - - 2012
In some European countries, footpad dermatitis (FPD) is measured as an indicator of broiler welfare. Prevalence and seasonal variation of FPD was determined within broiler flocks (fast-growing breeds) in the Netherlands. Samples were taken from 386 Dutch flocks at 8 slaughterhouses during a period of one year. Prevalence of footpad ...
Eriksson Andreas - - 2012
To determine the distribution of urinary tract pathogens with focus on Staphylococcus saprophyticus and analyse the seasonality, antibiotic susceptibility, and gender and age distributions in a large Swedish cohort. S. saprophyticus is considered an important causative agent of urinary tract infection (UTI) in young women, and some earlier studies have ...
Kakinami Lisa - - 2012
Background: The impact of the obesity epidemic on cardiovascular health in young people is of increasing concern. However, data on secular trends in CVD indicators are outdated and mixed. Methods: This study compared lipid profiles and insulin of 9-10 year olds in 2008 (n = 605) and 1999 (n = 779). Data were drawn ...
Hulbert Lindsey E - - 2012
Sixty-four Holstein dairy bull calves were all reared in individual calf-hutches and pens until they were randomly assigned to treatments of Grouped (pens of 3, n=36 calves) or Control (left in home hutch, n=8 calves) at age 68±2·3 d (body weight 74·9±1·5 kg). Blood was drawn at age 66, 70, ...
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