Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 79 for “"RIF"”.
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Endonuclease processing in the rif region of the Escherichia coli chromosome
Endonuclease processing of mRNA derived from the rif region near 90 minutes on the Escherichia coli chromosome was examined. This region contains the secE-nusG and the rplKAJL-rpoBC (ribosomal protein) operons and it is thought that endonuclease processing by RNase E and RNase III plays some role …
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Evaluation of diagnostic advances in Musculoskeletal Tuberculosis; the automated xpert MTB/RIF assay
Background Xpert MTB/RIF (Xpert) is a rapid, automated, onsite nucleic acid amplification test for tuberculosis (TB). It is effective for the diagnosis of pulmonary TB but there is limited evidence for its usefulness in extrapulmonary TB, particularly musculoskeletal TB. Aims and hypothesis The aim …
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Evaluation of diagnostic advances in musculoskeletal tuberculosis; the automated xpert MTB/RIF assay
… accuracy of Xpert for musculoskeletal TB and for rifampicin resistance against a gold standard of culture or histology. Site of disease, HIV status, and age of patients, and accuracy in spinal compared to extraspinal TB were investigated as secondary objectives. The overarching hypothesis was that …
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Tongue dorsum swab processing for the detection of tuberculosis with Cepheid Xpert® MTB/RIF Ultra
… Studies using the automated Cepheid Xpert® MTB/RIF Ultra qPCR test (Xpert Ultra) to analyze tongue swabs have yielded more modest results. Using tongue swabs collected from TB-negative volunteers and spiked with cultured MTB cells, this work screened nearly 30 swabbing, storage, and extraction …
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Xpert MTB/RIF Ultra and mycobacterial culture in routine clinical practice at a Tertiary Paediatric Hospital
… Organization approved the use of Xpert MTB/RIF Ultra (Ultra) in children due to quick turn-around time, improved yield over smear microscopy, and ability to detect rifampicin resistance despite culture being the “gold standard”. This study reviewed published literature on current childhood …
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Retrieval induced forgetting in depression and schizophrenia: role of mood and the cholinergic system
Retrieval-induced forgetting (RIF) is a robust phenomenon, which holds that recalling information from long-term memory can suppress the accessibility of related representations. Both inhibitory and interference processes have been identified as potential mechanisms that may underlie these …
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The Economic, Career, Social and Personal Effects of Reduction in Force (RIF) in Secondary Teachers Terminated from Three Iowa School Districts, 1981-1983
… information of the effects on secondary teachers riffed (1980-1983) from three Iowa multi-high school districts. Comparisons of data were reported in numbers and percentages, grouped and cross-tabulated according to sex, age, subject area, length of service, and school district. Findings. Most …
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Drug recovery in paediatric tuberculous meningitis
… barrier (BBB) has been difficult to study. Rifampicin (RIF) is a leading drug in the management of TBM but concentrations in ventricular cerebrospinal fluid (VCSF) have not been studied in TBM patients, and emerging evidence suggests that lumbar spinal CSF (LCSF) concentrations of substances …
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Chitosan and PLGA microspheres as drug delivery system against pulmonary mycobacteria infections
Various types of rifampicin (RIF)-loaded microparticles were compared for their stability during nebulization. Poly(lactide-co-glycolide) (PLGA), chitosan (CHT) and PLGA/CHT microparticles (MPs) were prepared by emulsion, precipitation or spray-drying techniques. MPs ability to be nebulized (NE%) …
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Assessment of Two Techniques for Diagnosis Pulmonary Tuberculosis in HIV Patient at Mnazi Mmoja Hospital Zanzibar.
… of the study was to evaluate Gene Xpert MTB/RIF technique and smear auramine LED FM technique for detection of pulmonary tuberculosis (PTB) in people living with HIV at Mnazi Mmoja Hospital Zanzibar. The study was experimental type of design that involved laboratory analysis of sputum …
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Epidemiological aspects of bacterial canker of tomato
Rifampin-resistant strains of Clavibacter michiganensis subsp. michiganensis (CMM$\sp{\rm rif+})$ were used to study the epidemiology of bacterial canker of tomato (Lycopersicum esculentum Mill.). Clipping tomato seedlings in transplant beds with a rotary mower transmitted CMM$\sp{\rm rif+}.$ The …
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Characterization of Mycobacterium tuberculosis isolates with discordant rifampicin susceptibility test results
Background: The Xpert MTB/RIF assay was adopted as the initial diagnostic test for patients with presumptive tuberculosis (TB) by the South African National TB Control programme in December 2010. Rifampicin (RIF) resistance detected by the Xpert MTB/RIF (Xpert) is confirmed by a line probe assay …
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Does mental context reinstatement mitigate Retrieval Induced Forgetting in eyewitnesses?
… sought to examine Retrieval Induced Forgetting (RIF) as it may occur within an investigative setting, while also assessing Mental Context Reinstatement (MCR) as a tool to mitigate this forgetting. Various methodological shortcomings of similar past research were addressed and systematically …
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Simultaneous quantification of first-line anti-tuberculosis drugs and metabolites in human plasma
… TB consists of a cocktail of isoniazid (INH), rifampicin (RIF), pyrazinamide (PZA) and ethambutol (EMB), all given in a 2-month intensive phase, followed by only INH and RIF in a 4-month continuation phase. Clinical studies seeking to optimize dosing, gain more knowledge on the pharmacokinetics …
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Development and application of a gene transfer system in Clostridium perfringens
… of intact cells of C. perfringens 3624A-Rif$\sp{\rm r}$/Str$\sp{\rm r}$ with plasmids pAM$\beta$1 and pHR106 resulted in transformation efficiencies of 1.4 $\times$ 10$\sp2$ and 1.2 $\times$ 10$\sp3$ transformants/$\mu$g DNA, respectively. An examination of parameters involved in the …
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Diagnostic yield of tuberculosis investigations on bone marrow biopsy samples in HIV positive patients at Groote Schuur Hospital
… results may be delayed. The GeneXpert® MTB/RIF Ultra assay may provide a more sensitive diagnostic test on bone marrow biopsy samples. Methods: We conducted a two-stage study in a tertiary hospital in South Africa, initially assessing the retrospective yield of TB diagnoses on bone marrow …
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Utility of novel diagnostic tests for tuberculosis using human urine
… TB LAM Ag test, Alere) and urine-based Xpert MTB/RIF for TB diagnosis in two patient cohorts with high HIV prevalence. A spot urine sample was collected from two cohorts of persons with suspected TB. The first cohort consisted of ambulatory primary care clinic patients suspected of having TB …
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Molecular differentiation of multi-drug resistant mycobacterium tuberculosis complex isolated from three provinces in Zambia
… is resistant to at least isoniazid (INH) and rifampicin (RIF), the two most potent TB drugs. Drug-resistant tuberculosis poses a significant problem for successful treatment of tuberculosis (TB). Worldwide, 4.1 percent of new cases and 19 percent of previously treated cases have been estimated …
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Molecular differentiation of multi-drug resistant mycobacterium tuberculosis complex isolated from three provinces in Zambia
… is resistant to at least isoniazid (INH) and rifampicin (RIF), the two most potent TB drugs. Drug-resistant tuberculosis poses a significant problem for successful treatment of tuberculosis (TB). Worldwide, 4.1 percent of new cases and 19 percent of previously treated cases have been estimated …
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Late quaternary vegetation history and palaeoenvironments of the Cederberg Mountains, South Africa : evidence from hyrax (Procavia capensis) middens
… of southern Africa. Hyrax middens from the De Rif site in theCederberg Mountains of the south-western Cape have been collected and sampled. Through the application of pollen analysis to the midden material, local plant communities were inferred and a palaeoenvironmental reconstruction of …
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