This thesis has been submitted in fulfilment of the requirements for a postgraduate degree (eg
PhD, MPhil, DClinPsychol) at th Page 1 This thesis has been submitted in fulfilment of the …

… ELISA has particularly been utilized is in the detection of sexually transmitted infections. ELISA
… Interferon-y release assay (IGRA) can also be used to test for TB. The QuantiFERON-TB …

… Thus, our findings suggest if a two-step strategy is used for IGRA testing, the IGRA should …
evaluation of the performance outcomes of our study using the Clearview® urine LAM ELISA …

… You may have gotten a call at the laboratory before from a physician questioning a low-positive
TB IGRA result that did not make sense based on the patient's clinical picture or …

… Table 4.5 Evaluation of the performance of the CD25/CD134 (OX40) assay…………………………………………………………………………172
Table 5.1 Subject characteristics at …

… IGRA are currently relatively expensive, requires overnight processing and specialized
equipment [98] limiting the utility of IGRA … evaluated the Lionex TB ELISA kit along with numerous …

… As TB rates continue to increase in HIV endemic regions, there is merit for evaluation of the
performance of diagnostic techniques as one of the TB control strategies. There also remains …

… (IGRA) was introduced as an alternative to TST for the diagnosis of LTBI [31]. IGRA measures
… An enzyme-linked immunosorbent assay (ELISA) is used to determine the concentration of …

… IGRA blood specimens were collected directly into IGRA tubes used for QuantiFERON-TB
Gold in-Tube assay (Cellestis Ltd, Carnegie, Victoria, Australia). CD4 cell count tests were …

… ELISA, while polyclonal antibodies are more likely to be used in indirect ELISA. See Fig.(5). …
ELISA has been used successfully for precise identification and quantification of many viral …