Relevant bibliographies by topics / Double disc synergy test

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Academic literature on the topic 'Double disc synergy test'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Double disc synergy test"

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Biswas, SM, MRA Mia, N. Ara, M. Ibrahim, TA Nasir, and S. Yunus. "Comparison of Three Dimensional Test and Double Disc Synergy Test for detection of Extended Spectrum ?-Lactamase (ESBL) producing Gram negative bacteria." Pulse 6, no. 1-2 (2014): 12–19. http://dx.doi.org/10.3329/pulse.v6i1-2.20328.

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Extended spectrum ?-lactamase (ESBLs), produced by Gram negative organisms, are enzymes capable of hydrolyzing extended spectrum cephalosporins, penicillins and monobactam but inactive against cephamycin and imipenem. Detection of some ESBL strains are missed by Double disc synergy test but detected by three dimensional test. So this study was carried out to see the rate of ESBL producer by three dimensional test and double disc synergy test among Gram negative bacteria. Total 110 Gram negative isolates were studied, among them 30 were wound swab isolates and 80 were laboratory isolates, of wh
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Karim Chowdhury, Abu Hena Md Saiful, Sukumar Nandi, Mahbubur Rahman, et al. "Comparison Between Phenotypic Confirmatory Test & Double Disc Synergy Test in Detection of Extended Spectrum b-Lactamases Producers Among Gram-Negative Bacilli." Chattagram Maa-O-Shishu Hospital Medical College Journal 15, no. 2 (2017): 3–8. http://dx.doi.org/10.3329/cmoshmcj.v15i2.31795.

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Background: Extended-Spectrum b-Lactamases (ESBLs) producing bacteria are increasing in number and causing more severe infections because of their continuous mutation and multidrug resistance property which make its treatment difficult. Thus reliable, sensitive and low cost method to detect ESBLs producers, therefore, is of major interest. The present study was undertaken to compare the sensitivity between double disc synergy test & phenotypic confirmatory test to detect ESBLs producing bacteria.Methods: All the isolates were identified by standard procedure of identification & isolate
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Malik, Taqdees, and Asma Naim. "Occurrence of ESBLs in Clinical Isolates of Klebsiella Species and Comparative Analysis of Phenotypic Detection Methods." Anti-Infective Agents 18, no. 3 (2020): 255–60. http://dx.doi.org/10.2174/2211352517666191114130036.

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Aims: Drug resistance enzymes like beta-lactamases and Extended-Spectrum Beta- Lactamases (ESBLs) are mostly produced in the response of mutation and a few other factors. These enzymes are plasmid-mediated that can confer resistance against several β-lactam agents including cephalosporin and extended-spectrum cephalosporin. This study is conducted to determine the frequency of ESBL producing Klebsiella strains and to compare the phenotypic detection methods among various clinical samples collected from a commercial centralized Microbiology diagnostic laboratory. Materials and Methods: 125 Kleb
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Diab, Atef M., M. H. Abul-Aziz, Iman M. A. El-Kholy та Mona A. Rezk. "MODIFIED DOUBLE-DISC SYNERGY TEST (MDDST) VERSUS DOUBLE-DISC SYNERGY TEST (DDST) FOR DETECTION OF ESBL(S) IN AMPC Β-LACTAMASE-PRODUCING KLEBSIELLA CLINICAL ISOLATES". European Chemical Bulletin 7, № 2 (2018): 89. http://dx.doi.org/10.17628/ecb.2018.7.89-92.

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Hassani, Umesh Santlal, та Rashmi Mahalle. "Phenotypic methods for detection of metallo-β-lactamase (MBL) production in multidrug resistant gram negative bacilli – comparative study". Journal of Applied Pharmaceutical Research 11, № 3 (2023): 29–35. http://dx.doi.org/10.18231/j.joapr.2023.11.3.29.35.

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Introduction: One of the most common mechanism of resistance of bacterial pathogens to β-lactam antibiotics is production of β-lactamase, there are different types of Beta lactamases, which are expressed by drug resistant gram-negative bacteria. Carbapenemases (Metallo beta lactamases/MBL) are the β-lactamases with the widest spectrum of activity. Early detection of MBL-producing organisms is crucial to establish appropriate antimicrobial therapy and to prevent their interhospital and intrahospital dissemination. Several phenotypic methods are available for the detection of MBL producing bacte
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Amin, Aalia. "Antibiotic Sensitivity Pattern and ESBL Detection among Various Clinical Isolates of Escherichia coli." International Journal of Current Microbiology and Applied Sciences 13, no. 3 (2024): 27–33. http://dx.doi.org/10.20546/ijcmas.2024.1303.002.

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The ESBL producing isolate of E.coli among other clinical isolates has been increasing over the past few years resulting in limitation of therapeutic options. Bacteria produces ESBL poses a major problem for clinical therapautics. A cross sectional study was carried out in the Department of Microbiology Sharda Hospital School of Medical Science and Research, Sharda University, Greater Noida. 204 E.coli were isolated from various clinical samples which consists of urine, pus, sputum, blood, stool, swab, and different body fluids from both IPD & OPD patents were included in this study. Sampl
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Mangla, Aarushi, Hetal Vasani, and M. M. Vegad. "Evaluation of different phenotypic techniques in detection of metallo-betalactamases in pseudomonas aeruginosa." IP International Journal of Medical Microbiology and Tropical Diseases 8, no. 3 (2022): 242–46. http://dx.doi.org/10.18231/j.ijmmtd.2022.047.

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Metallo-beta-lactamase (MBL) producing Pseudomonas is a worrisome pathogen to hospital infection control due to production of resistance to multiple antibiotics. So, treatment options are narrowed down to only few antibiotics which will result in high morbidity and mortality. This study was conducted with the aim to detect prevalence of MBL producing Pseudomonas aeruginosa and to compare the different phenotypic methods for the detection of MBL production in Imipenem resistant clinical isolates of Pseudomonas aeruginosa. : In this prospective study total of 14,145 different clinical samples re
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Vamsi, K. Sreeja, S. Rama Moorthy, T. S. Murali, et al. "Phenotypic Methods for the Detection of Metallo-Beta-Lactamase Production by Gram-negative Bacterial Isolates from Hospitalized Patients in A Tertiary Care Hospital in India." Journal of Pure and Applied Microbiology 15, no. 4 (2021): 2019–26. http://dx.doi.org/10.22207/jpam.15.4.23.

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Drug-resistant bacteria are a global health concern owing to the high morbidity and mortality they can cause, especially in countries such as India. Gram-negative bacteria, including Enterobacteriaceae, Pseudomonas, and Acinetobacter, are primarily responsible for expanding the scope of drug resistance. These antibiotic-resistant pathogens are particularly associated with serious infections in hospitals. The production of carbapenemase by gram-negative bacteria appears to be the major reason for their resistance to carbapenems. The study was a prospective study done from March 2018 to December
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Hamdani, Muhammad Jen, Natsir Djide, and Mansyur Arif. "Incidence of Klebsiella pneumoniae producing Metallo Beta-Lactamase (MBL) at RSUP Dr. Wahidin Sudirohusodo Makassar." Sasambo Journal of Pharmacy 3, no. 1 (2022): 6–10. http://dx.doi.org/10.29303/sjp.v3i1.111.

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Bacterial resistance to antibiotic is one of the factors triggering infection therapy failure. This study was conducted to determine the prevalence of carbapenem-resistance Klebsiella pneumoniae infection and the phenotype of carbapenem-resistant Metallo-Beta-Lactamase (MBL)-producing Klebsiella pneumoniae isolates at RSUP Dr. Wahidin Sudirohusodo Makassar. This study included Klebsiella pneumoniae identification on each infectious patient’s isolates. The sensitivity test of antibiotics, phenotype confirmatory test, and MBL phenotypic test were conducted using agar diffusion Kirby-Bauer, Vitek
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Mahdi, Hozan Salahaddin, and Sherko A. Omer. "DOUBLE DISK SYNERGY TEST AND BIOFILM FORMATION IN CLINICAL ISOLATES OF PSEUDOMONAS AERUGINOSA." Journal of Sulaimani Medical College 9, no. 3 (2019): 201–8. http://dx.doi.org/10.17656/jsmc.10207.

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Book chapters on the topic "Double disc synergy test"

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Wang, He, Yanxiang Wang, Junkun Wei, Kaixiang Wen, and Yifan Jin. "Simulation and Experimental Research on Disc Cutters Optimal Spacing Based on Rock Breaking Specific Energy." In Advances in Transdisciplinary Engineering. IOS Press, 2022. http://dx.doi.org/10.3233/atde220468.

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The cutter spacing relate to the rock breaking efficiency of the TBM. The double disc cutters rolling marble model is established by using ABAQUS based on the principle of rock breaking specific energy calculation. The effect of the cutter spacing on the amount of the breaking rock is analyzed, and the specific energy of the double disc cutters breaking the rock in different cutter spacing is calculated. The simulation results show that in the geological conditions of marble, when the penetration is 6mm, the cutter spacing is 78mm the specific energy is the smallest. The marble broken experime
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Conference papers on the topic "Double disc synergy test"

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Al – Rubaye, Talib, Samia Mahamoud, Aida Ibrahim, and Dalal AL-Rubaye. "Phenotypic and Genotypic Screening of Extended-Spectrum Beta-Lactamase-Producing Escherichia Coli Isolated from a Sample of Patients with Community-Acquired Urinary Tract Infection." In 5th International Conference on Biomedical and Health Sciences. Cihan University-Erbil, 2024. http://dx.doi.org/10.24086/biohs2024/paper.1336.

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The bacteria Escherichia coli is the most common community-acquired urinary tract infection (UTI) pathogen, which is responsible for 75%–95% of cases, and due to the extensive use of β-lactam antibiotics in clinical cases, Extended- spectrum beta-lactamase (ESBLs) producing Escherichia coli have emerged. This study was done to isolate and identify Escherichia coli in a sample of Iraqi patients with a community- acquired urinary tract infection (CA-UTIs), the ESBL-producing E. coli was characterized phenotypically and genotypically. About 120 urine samples were collected from September 2022 to
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K. Alkhudhairy, Miaad, and Mahasin Sifir Madkhur. "Detection of Proteus Mirabilis Carrying blaCTX-M, blaSHV, and blaTEM Genes Related to Urinary Tract Infections." In IX. International Scientific Congress of Pure, Applied and Technological Sciences. Rimar Academy, 2023. http://dx.doi.org/10.47832/minarcongress9-4.

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Background: Proteus mirabilis is a bacterium that causes many serious systematic infections. The aim of the study: Determination of Proteus mirabilis carrying blaCTX-M, blaSHV, and blaTEM genes related to urinary tract infections. Materials and Methods: 402 samples of urine were randomly collected from patients with symptomatic urinary tract infections at Al-Sadder Hospital in Al-Najaf Governorate, Iraq, from October 2022 to December 2023. Results: 71 (17.7%) isolates of P. mirabilis were identified according to microscopic, culture, and biochemical characteristics, then were tested for their
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Nikolovska, Jasmina, Elena Krstevska-Kelepurovska, Angela Delova, Svetlana Popovska-Kljuseva, and Biljana Shurbevska-Boneva. "Antibiotic resistance pattern of extended-spectrum betalactamase: Producing Escherichia coli from urine samples." In Proceedings of the International Congress Public Health - Achievements and Challenges. Institute of Public Health of Serbia "Dr Milan Jovanović Batut", 2024. http://dx.doi.org/10.5937/batutphco24119n.

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Background: Urinary tract infections are among the most common bacterial infections in clinical practice. The strains of Extended-spectrum beta-lactamase (ESBL) producing Escherichia coli, represent serious therapy problem and significant concern. Objectives and Methods: To determine the presence and antibiotic resistance pattern of ESBL producing E. coli in urine samples in the period of 3 years (2021-2023). Urine samples sent in the Department of Microbiology at the Center for Public Health Bitola, were inoculated on Chromogenic media (CPS agar, bioMerieux). Double-disk synergy (DDS) test an
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Wan, Ling, Zhen Gao, and Torgeir Moan. "Model Test of the STC Concept in Survival Modes." In ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/omae2014-23213.

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The STC (Spar Torus Combination) concept combines a Spar floating wind turbine and a torus-shaped heaving-body wave energy converter (WEC). Numerical simulation has shown positive synergy between the WEC and the Spar floating wind turbine in operational conditions. However, in extreme wind and wave conditions, it is challenging to maintain structural integrity, especially for the WEC. To ensure survivability of this concept in extreme conditions, three survival modes have been proposed. To investigate the performance of the STC in extreme conditions, model tests with a scale factor of 1:50 wer
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Hualca, Fabian P. T., Josh T. M. Horwood, Carl M. Sangan, Gary D. Lock, and James A. Scobie. "The Effect of Vanes and Blades on Ingress in Gas Turbines." In ASME Turbo Expo 2019: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/gt2019-90987.

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Abstract This paper presents experimental and computational results using a 1.5-stage test rig designed to investigate the effects of ingress through a double radial overlap rim-seal. The effect of the vanes and blades on ingress was investigated by a series of carefully-controlled experiments: firstly, the position of the vane relative to the rim seal was varied; secondly, the effect of the rotor blades was isolated using a disc with and without blades. Measurements of steady pressure in the annulus show a strong influence of the vane position. The relationship between sealing effectiveness a
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K. Alkhudhairy, Miaad, та Elhassan Benyagoub. "Frequency of Genes Mediated β-lactams Resistance in Acinetobacter Baumannii Isolates from Iraq". У X INTERNATIONAL CONGRESS OF PURE AND APPLIED TECHNOLOGICAL SCIENCES. Rimar Academy, 2023. http://dx.doi.org/10.47832/minarcongress10-2.

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Background: Acinetobacter baumannii is a nosocomial virulent microorganism that can cause acute and chronic infections in burn patients. The aim of the study: Diagnosis of genes mediated β-lactams resistance among test isolates. Materials and Methods: 649 swabs collected from inpatients with burn-wound infections at a burn center in Al-Najaf Province/ Iraq, from August 2022 to February 2023. Results: 68/ 649 (10.5%) isolates of Acinetobacter baumannii were identified according to microscopically, cultural, and biochemical features. 22 (32.4%) isolates were found able to produce extended-spectr
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Reuven, R., C. McCowan, E. Drexler, et al. "CTOA Results for X65 and X100 Pipeline Steels: Influence of Displacement Rate." In 2008 7th International Pipeline Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/ipc2008-64363.

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The toughness and plasticity of steel generally decreases with increasing testing rate. The crack tip opening angle (CTOA) was measured on two types of commercial pipeline steels API-X65 and API-X100, at a range of displacement rates to characterize rate effects. The testing was conducted at quasi-static and dynamic rates. The crosshead displacements in our test matrix ranged from 0.002 mm/s in the quasi-static mode to approximately 8000 mm/s in the dynamic mode. The quasi-static tests were conducted in a servo-hydraulic uniaxial test machine using Modified Double Cantilever Beam (MDCB) specim
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Eltai, Nahla Omer, Hadi M. Yassine, Sara H. Al-Hadidi, Tahra ElObied, Asmaa A. Al Thani, and Walid Q. Alali. "Retail Chicken Carcasses as a Reservoir of Antimicrobial- Resistant Escherichia coli." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2020. http://dx.doi.org/10.29117/quarfe.2020.0115.

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The dissemination of antimicrobial resistance (AMR) bacteria has been associated with the inappropriate use of antibiotics in both humans and animals and with the consumption of food contaminated with resistant bacteria. In particular, the use of antibiotics as prophylactic and growth promotion purposes in food-producing animals has rendered many of the antibiotics ineffective. The increased global prevalence of AMR poses a significant threat to the safety of the world’s food supply. Objectives: This study aims at determining the prevalence of antibiotic-resistant Escherichia coli (E. coli) is
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Shtechman, Avigdor, Christopher McCowan, Rony Reuven, et al. "Dynamic Apparatus for CTOA Measurement in Pipeline Steels." In 2008 7th International Pipeline Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/ipc2008-64362.

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When a crack initiates and propagates in a pressurized pipe, the only thing that might stop this high-velocity event is the release of internal pressure (decompression), resulting in a deceleration in the crack-propagation rate. This deceleration can be achieved through the use of crack arrestors, or the ability of the pipeline material to resist ductile fracture. To evaluate the resistance to crack growth, the crack tip opening angle (CTOA) is used. Recent articles on the CTOA of pipeline steels at quasi-static rates with modified double cantilever beam specimens (MDCB), and at dynamic displa
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Drexl, Catharina, Justin Mattheis, and Kurosch Thuro. "Experimental Determination of the Fracture Toughness of Rocks from Deep Geothermal Reservoirs in Bavaria, Germany." In 58th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2024. http://dx.doi.org/10.56952/arma-2024-0766.

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ABSTRACT: For a comprehensive understanding of deep geothermal reservoirs, precise knowledge of geomechanical parameters is essential. These include fracture toughness for both tensile and shear fractures, assessed through semi-circular bend and double-edge-notched Brazilian disc tests. Due to their complexity regarding specimen preparation and setup, empirical correlations based on literature values are often utilized. However, this paper directly determined the fracture toughness in Mode I and Mode II for potential Bavarian geothermal sites using analog rocks in semi-circular bend test (SCB
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