Results 11 to 20 of about 537,139 (296)
False-negative reactions to the comparative intradermal tuberculin test for bovine tuberculosis [PDF]
Pesquisa Veterinária Brasileira, 2017 : According to the Brazilian National Program for the Control and Eradication of Animal Brucellosis and Tuberculosis (PNCEBT), the routine tests for the diagnosis of bovine tuberculosis in the country are the simple intradermal tuberculin test (SITT) of ...
Rudielle A. Rodrigues +7 more
doaj +3 more sources
A Fatal Case of Herpes Simplex Encephalitis with Two False-Negative Polymerase Chain Reactions [PDF]
Case Reports in Neurology, 2018 An 88-year-old man presented with a 1-month history of altered mental status and seizures. His electrographic and imaging findings were suggestive of herpes simplex encephalitis (HSE), for which he was empirically treated with acyclovir. He underwent two
Aldo A. Mendez +5 more
doaj +3 more sources
Polyethylene glycol modified LAMP assay enables sensitive and specific clinical detection of varicella-zoster virus [PDF]
Frontiers in Cellular and Infection MicrobiologyAccurate, timely diagnosis of varicella–zoster virus (VZV) is important for treatment and infection control. While loop-mediated isothermal amplification (LAMP) is operationally simple, nonspecific priming can degrade performance.
Lei Zhang +8 more
doaj +2 more sources
Postoperative cerebral air embolism with delayed abnormal brain MRI findings
eNeurologicalSci, 2021 Cerebral air embolism (CAE) is a rare but well-known complication resulting from invasive medical procedures; however, previous studies have not examined the postoperative longitudinal MRI changes in CAE.
Yuwa Oka +4 more
doaj +1 more source
Characteristics of False-Positive Alarms in the BacT/Alert 3D System
Microbiology Spectrum, 2022 The BacT/Alert system has been used for detecting the presence of bacteria in various clinical settings as well as in blood services, but it is associated with a relatively high incidence of false-positive results.
Misato Amano +8 more
doaj +1 more source
Journal of the American College of Emergency Physicians Open, 2021 Study objective To determine the prevalence of false negative point‐of‐care (POC) urine pregnancy tests among emergency department (ED) patients and among those with abdominal pain or vaginal bleeding.
Sarah Kleinschmidt +3 more
doaj +1 more source
Cancer Medicine, 2020 Background Breast cancer survivors are increasing followed for new breast cancers / recurrences by mammography screening only. We aimed at assessing how often breast cancer survivors get a false positive or false negative result at mammography screening.
Sisse Helle Njor +2 more
doaj +1 more source
Upon accounting for the impact of isoenzyme loss, gene deletion costs anticorrelate with their evolutionary rates [PDF]
, 2017 System-level metabolic network models enable the computation of growth and metabolic phenotypes from an organism’s genome. In particular, flux balance approaches have been used to estimate the contribution of individual metabolic genes to organismal ...
Jacobs, Christopher +3 more
core +14 more sources
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
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