Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 61 for “"VRE"”.
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Molecular Mechanism of VanB Phenotype-VanA VRE
… 내성 장구균(Vancomycin-resistant enterococc, VRE)의 사례가 일본, 중국 및 한국에서 보고되었으며, 이의 기전은 vanS 도메인의 3점 돌연변이, vanX, vanY 및 vanZ 유전자의 변이로 보고되었다. 본 연구에서는 국내에서 분리된 VanB 표현형 vanA VRE의 유전자 분석을 통하여 한국에서의 발현 기전을 확인하고자 하였다. 재료 및 방법: 전국 8개 대학병원에서 분리된 표현형 VanB vancomycin 내성 장구균 39균주를 대상으로 하였다. E-test 및 한천희석법을 …
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Potential of bacteriocin producing bacteria to control VRE infection
… against multi-drug resistant species including VRE and MRSA. This makes them excellent candidates as a substitute to antibiotics. In Chapter 1 the mechanism behind vancomycin resistance in Enterococcus faecium and Enterococcus faecalis is discussed. Also discussed are the chemotherapeutic …
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Desenvolvimento de protocolo de edição gênica de Enterococos resistentes à vancomicina (VRE) empregando CRISPR-Cas
Enterococos resistentes à vancomicina (VRE) são bactérias que apresentam resistência a diversos antimicrobianos e se tornaram uma preocupação nas últimas décadas em ambientes hospitalares. Recentemente, esse grupo de bactérias, que por muitos anos foram consideradas inofensivas para os seres …
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An Activity Theory Evaluation of a User Interface for a Web-based Virtual Research Environment (VRE)
Activity Theory is a framework or descriptive tool which is commonly used in Human-computer Interaction. In particular, it is used more and more in the design and evaluation of some collaborative systems such as a modular object-oriented dynamic learning environment. Activity Theory offers many …
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Rectal culture screening for vancomycin-resistant enterococcus in chronic haemodialysis patients
… with vancomycin-resistant enterococci (VRE) is common in chronic haemodialysis(HD) patients. However, there is limited information on the duration of VRE colonisation or on the reliability of consecutive negative rectal cultures to determine the clearance of VRE in chronic HD patients. …
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Optimal Control Applied to a Mathematical Model for Vancomycin-Resistant Enterococci
… are termed Vancomycin-Resistant Enterococci (VRE). In this thesis, we develop a mathematical framework for determining optimal strategies for prevention and treatment of VRE in an Intensive Care Unit (ICU). A system of ve ordinary differential equations describes the movement of ICU patients …
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Molecular Characterization of Vancomycin-resistant Enterococci from Clinical and Surveillance Specimens
BACKGROUND: Vancomycin-resistant enterococci(VRE) were first detected in Europe in 1986, and have been isolated from hospitalized patients worldwide. VanA resistance, characterized by high level resistance to vancomycin and teicoplanin, is the most prevalent in clinical enterococcal isolates. To …
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Repurposing Antibacterial Compounds and Natural Products to Combat Vancomycin-Resistant Enterococci
… pathogens are vancomycin-resistant Enterococcus (VRE), which causes serious bloodstream, urinary tract, and wound infections, particularly in hospitalized patients. This thesis explores two complementary strategies to address this challenge: natural product discovery and drug repurposing. The …
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A study on Recognition and Practices level by Nurses in Critical Care Unit about Nosocomial Infection Control & Prevention - on General Infection, MRSA & VRE Infection Control -
… Care Unit about general infection, MRSA, VRE infection control & prevention. Data were collected on June 12 to September 3, 2004 from 69 nurses in one university affiliated hospital located in Suwon of Kyung Ki Province. The recognition and self evaluation data were collected through a …
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The role of long duration energy storage in decarbonizing power systems
… in generation from variable renewable energy (VRE) sources, i.e. wind and solar. Yet, the intermittency of these resources introduces new challenges in operating the grid, including the need for sufficient operating flexibility to manage variations in VRE generation and load, while minimizing …
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Detection of Vancomycin resistant Enterococci from clinical specimens at University Teaching Hospitals
… to the occurrence and resistance genes of VRE at the University Teaching Hospitals (UTH’s) in Lusaka Zambia. To isolate and determine the occurrence of Vancomycin resistant Enterococcus (VRE), and the genes responsible for VRE resistance from blood, urine and pus specimens received in the …
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Detection of Vancomycin resistant Enterococci from clinical specimens at University Teaching Hospitals
… to the occurrence and resistance genes of VRE at the University Teaching Hospitals (UTH’s) in Lusaka Zambia. To isolate and determine the occurrence of Vancomycin resistant Enterococcus (VRE), and the genes responsible for VRE resistance from blood, urine and pus specimens received in the …
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Development of Novel Synergistic Therapeutic Strategies to Combat Antimicrobial Resistance: Critical Roles for Natural Products
… mM) against Vancomycin Resistant E. faecium (VRE) which resulted in 5.57 and 4.73 log10 reductions, respectively. These combinations reduced the antibiotic MICs below the clinical resistance breakpoint, suggesting antibiotic resistance attenuation. The synergistic mechanism of action of the …
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The Effect of Decarbonization Factors on Deeply Decarbonized Electrical Systems: Texas Case Study
… high availability of variable renewable energy (VRE) in Texas. (2) Achieving a 98% decarbonization implies reaching a system average cost of $41/MWh, or an increase in system average cost of 17% from the No Policy case. (3) The various factors evaluated here impact power system outcomes (system …
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The Missing Megawatts Problem: Improving Modelling Practices to Prepare for an Uncertain Future
… and reliable grid. Variable renewable energy (VRE) generation can produce cheap power but they increase the grids exposure to interannual variability in demand and VRE generation. This raises questions about how grid planners will value VRE and clean firm power (such as nuclear power). This …
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Screening and mitigation of anxiety in unique environments
… studies. Virtual reality exposure (VRE) is as effective as actual training flight exposure (or analog exposure) in mitigation of flight-related anxiety. The addition of other modalities, such as cognitive behavioral therapy or biofeedback, to VRE improves desensitization compared to …
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The Role for Electricity Transmission in Net-Zero Energy Systems: A Spatially Resolved Analysis of the Continental US
… Additionally, variable renewable energy (VRE) resources, which are expected to play a major role in decarbonization pathways, exhibit significant spatial variability and reliance on transmission infrastructure compared to existing fossil-fuel based energy systems, placing greater emphasis …
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Distributed online algorithms for energy management in smart grids
… that integrates the variable renewable energy (VRE) resources spatially distributed across the grid. This work proposes algorithmic solutions for distributed economic dispatch based on Subgradient method and Alternating Direction Method of Multipliers (ADMM), both designed to be agnostic with …
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Assessing the Presence of Antibiotic-Resistant Enterococcus in Reclaimed Water Used for Spray Irrigation
… and vancomycin-resistant enterococci (VRE) in 68% (27/40) and 8% (3/40), respectively, of all SI samples. VRE and vancomycin-intermediate enterococci (VIE) represented 2% (1/41) and 10% (4/41), respectively, of the total enterococci recovered from all SI sites. Our findings show that SI …
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Neumonía adquirida en la comunidad de etiología viral: diversidad, especificidad diagnóstica y factores pronósticos
… epidémico de los virus respiratorios endémicos (VRE) ha sido ampliamente reconocido, pero no hay consenso sobre su relevancia en el desenlace clínico de estos pacientes. Las muestras de esputo representativas son el estándar de referencia para el diagnóstico etiológico de la NAC, ya que no se …
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