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https://www.readbyqxmd.com/read/27903600/improved-accuracy-of-cefepime-susceptibility-testing-for-esbl-producing-enterobacteriaceae-using-an-on-demand-digital-dispensing-method
#1
Kenneth P Smith, Thea Brennan-Krohn, Susan Weir, James E Kirby
Extended-spectrum beta-lactamase (ESBL) producing Enterobacteriaceae generally cannot be treated with penicillins and cephalosporins. However, some later generation cephalosporins, including cefepime, are poorly hydrolyzed by specific ESBL enzymes, and certain strains demonstrate in vitro susceptibility to these agents, potentially affording additional treatment opportunities. Moreover, the ability to adjust both dose and dosing interval of β-lactam agents allows treatment of strains with elevated minimal inhibitory concentrations (MICs) formerly classified in the intermediate range...
November 30, 2016: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/27335151/verification-of-an-automated-digital-dispensing-platform-for-at-will-broth-microdilution-based-antimicrobial-susceptibility-testing
#2
Kenneth P Smith, James E Kirby
With rapid emergence of multidrug-resistant bacteria, there is often a need to perform susceptibility testing for less commonly used or newer antimicrobial agents. Such testing can often be performed only by using labor-intensive, manual dilution methods and lies outside the capacity of most clinical labs, necessitating reference laboratory testing and thereby delaying the availability of susceptibility data. To address the compelling clinical need for microbiology laboratories to perform such testing in-house, we explored a novel, automated, at-will broth microdilution-based susceptibility testing platform...
September 2016: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/23708834/an-alternative-direct-compound-dispensing-method-using-the-hp-d300-digital-dispenser
#3
Raisa E Jones, Wei Zheng, John C McKew, Catherine Z Chen
Evaluation of compound activity in vitro is crucial to drug discovery efforts and require that the compounds be accurately and reliably titrated and dispensed to the assay wells. The HP D300 dispenser uses inkjet technology to achieve small-volume dispensing that allows concentration-response testing using the direct dilution paradigm. Although inkjet technology has been long in existence, it is new to the field of screening and drug development. We have evaluated the D300 dispenser in a biochemical assay, a cell-based reporter gene assay, and a cytotoxicity assay...
October 2013: Journal of Laboratory Automation
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