Delayed positivity of serological reactions in secondary syphilis against the background of severe HIV-induced immunosuppression [PDF]
Vestnik Dermatologii i Venerologii, 2023 In recent decades, there has been an increase in syphilis associated with HIV infection cases, especially among men who have sex with men. The global prevalence of syphilitic infection among people living with HIV exceeds population rates.
Sergey V. Prozherin +1 more
doaj +1 more source
Ultrafast visual detection of Streptococcus suis via HtpsC‐targeted LAMP–CRISPR–Cas12a coupled with lateral flow immunochromatography [PDF]
FEBS Open BioA rapid visual test combines DNA amplification, CRISPR–based target verification, and a lateral flow strip to detect Streptococcus suis. The assay gives results in about 45 min, reduces false‐positive interpretation, and does not require fluorescence equipment.
Li L +7 more
europepmc +2 more sources
False negative diagnostic errors with polymerase chain reaction for the detection of cryptococcal meningoencephalitis [PDF]
Medical Mycology, 2019 Abstract The accuracy of the BioFire FilmArray Meningitis/Encephalitis (ME) panel for the identification of Cryptococcus has recently been called into question. The primary objective of this study was to assess the agreement between the BioFire ME polymerase chain reaction (PCR) and other markers of cryptococcal infection.
Matthew A Krolikowski +4 more
openaire +3 more sources
Cognitive and affective reactions to success and failure: The quality of feedback as the determinant of self-verifying and self-enhancing motivation [PDF]
Psihologija, 2011 A study was conducted to ascertain what the dominant self motivation is like - selfverifying or self-enhancing? - in a situation when a person is faced with a negative evaluation of a central personality characteristic.
Bodroža Bojana
doaj +1 more source
False-negative case examples in the (A) internal test and (B) external validation datasets.
, 2023 False-negative case examples in the (A) internal test and (B) external validation datasets.
Keewon Shin (13933191) +8 more
core +1 more source
An ELISA protocol to improve the accuracy and reliability of serological antibody assays
MethodsX, 2017 To assay serum antibodies by indirect ELISA, it is critical to eliminate a variety of false positive and negative reactions attributed to the principle.
Takaki Waritani +3 more
doaj +1 more source
Korean Journal of Clinical Laboratory Science, 2023 Human leukocyte antigen (HLA) typing was performed in the diagnostic immunology laboratory of the Seoul National University Hospital. Among 611 HLA-DR tests, specific bead reactions suspected of being false positive and false negative in Lot 20 reagents ...
Hyang Son AN, Minsung SOHN
doaj +1 more source
False negative polymerase chain reaction on cerebrospinal fluid samples in tuberculous meningitis [PDF]
Journal of Neurology, Neurosurgery & Psychiatry, 1999 There have been few studies in the literature concerned solely with the use of the polymerase chain reaction (PCR) to identify Mycobacterium tuberculosis DNA directly from CSF.1-4 These studies suggest that in some cases, PCR may be more sensitive than culture; however, in the largest study, performed …
D M, Gascoyne-Binzi, P M, Hawkey
openaire +2 more sources
Definitions of true positive (TP), true negative (TN), false positive (FP), and false-negative (FN).
, 2023 Definitions of true positive (TP), true negative (TN), false positive (FP), and false-negative (FN).
Jayaraman Thangappan (16920766) +3 more
core +1 more source
Non-Specific Binding and Cross-Reaction of ELISA: A Case Study of Porcine Hemoglobin Detection
Foods, 2021 Different types of enzyme-linked immunosorbent assays (ELISA) have been widely used to control food safety and quality. To develop an accurate and reproducible ELISA, false immunodetection results caused by non-specific binding (NSB) and cross-reaction ...
Xingyi Jiang +3 more
doaj +1 more source