2020
Challenges in use of saliva for detection of SARS CoV-2 RNA in symptomatic outpatients
Landry ML, Criscuolo J, Peaper DR. Challenges in use of saliva for detection of SARS CoV-2 RNA in symptomatic outpatients. Journal Of Clinical Virology 2020, 130: 104567. PMID: 32750665, PMCID: PMC7392849, DOI: 10.1016/j.jcv.2020.104567.Peer-Reviewed Original ResearchMeSH KeywordsBetacoronavirusClinical Laboratory TechniquesCoronavirus InfectionsCOVID-19COVID-19 TestingCOVID-19 VaccinesHumansMolecular Diagnostic TechniquesNasopharynxOutpatientsPandemicsPneumonia, ViralProspective StudiesReal-Time Polymerase Chain ReactionRNA, ViralSalivaSARS-CoV-2Specimen HandlingConceptsNasopharyngeal swabsReal-time RT-PCRSymptomatic outpatientsRT-PCRSARS-CoV-2 positivitySaliva samplesSARS-CoV-2 testingMedian cycle threshold valuePure salivaSARS-CoV-2 RNA detectionSARS-CoV-2 RNACoV-2 testingUse of salivaCycle threshold valuesSymptomatic patientsOverall sensitivityRNA detectionSalivaCOVID-19OutpatientsHigh-volume testingPatientsSwabs
2013
Comparison of Simplexa Universal Direct PCR with Cytotoxicity Assay for Diagnosis of Clostridium difficile Infection: Performance, Cost, and Correlation with Disease
Landry ML, Ferguson D, Topal J. Comparison of Simplexa Universal Direct PCR with Cytotoxicity Assay for Diagnosis of Clostridium difficile Infection: Performance, Cost, and Correlation with Disease. Journal Of Clinical Microbiology 2013, 52: 275-280. PMID: 24226924, PMCID: PMC3911468, DOI: 10.1128/jcm.02545-13.Peer-Reviewed Original ResearchMeSH KeywordsBacterial ProteinsBacterial ToxinsBiological AssayClostridioides difficileClostridium InfectionsDiarrheaGlutamate DehydrogenaseHumansNeutralization TestsReal-Time Polymerase Chain ReactionSensitivity and SpecificityConceptsAntigen-negative samplesGDH antigenToxigenic C. difficileC. difficileGDH-positive samplesClostridium difficile infectionGlutamate dehydrogenase antigenToxin B geneSemisolid stoolsC. difficile toxin B geneDifficile testingChart reviewNosocomial transmissionDifficile infectionDifficile diseaseReal-time PCRClinical consequencesMerit further studyRapid molecular diagnosisDifficile bacteriaAntigenPatientsDehydrogenase antigenCost avoidanceCytotoxicity assays