نتایج جستجو برای: rif
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The Xpert MTB/RIF assay (Xpert) is a rapid test for tuberculosis (TB) and rifampin resistance (RIF-R) suitable for point-of-care testing. However, it has decreased sensitivity in smear-negative sputum, and false identification of RIF-R occasionally occurs. We developed the Xpert MTB/RIF Ultra assay (Ultra) to improve performance. Ultra and Xpert limits of detection (LOD), dynamic ranges, and RI...
eXtensible Access Control Markup Language (XACML), an OASIS standard language for the specification of access control rules, has been widely deployed in many Web-based systems. However, many domains still use their custom solutions to manage authorizations. This makes collaboration between and integration over applications and domains using disparate policy language difficult and requires prior...
The disease tuberculosis, caused by Mycobacterium tuberculosis (MTB), remains a major cause of morbidity and mortality in developing countries. The evolution of drug-resistant tuberculosis causes a foremost threat to global health. Most drug-resistant MTB clinical strains are showing resistance to isoniazid and rifampicin (RIF), the frontline anti-tuberculosis drugs. Mutation in rpoB, the beta ...
A large body of literature on "within-individual retrieval-induced forgetting" (WI-RIF; Anderson, Bjork, & Bjork, 1994) shows that repeatedly retrieving some items, while not retrieving other related items, facilitates later recall of the practised items, but inhibits later recall of the non-practised related items. This robust effect has recently been extended to "socially shared retrieval-ind...
We read the recent paper by Rufai et al. with interest (1). The authors tested a subset of samples containing Mycobacterium tuberculosis previously tested by the Hain line probe assay (LPA) with the Xpert MTB/RIF assay to identify discordant results between these two test methods. The authors’ results favored LPA over Xpert MTB/RIF in sensitivity for rifampin (RIF) resistance detection. These r...
To identify the most active curative treatment of Buruli ulcer, two regimens incorporating the use of rifampin (RIF) were compared with the use of RIF alone in a mouse footpad model of Mycobacterium ulcerans infection. Treatments began after footpad swelling from infection and continued for 12 weeks with five doses weekly of one of the following regimens: (i) 10 mg of RIF/kg alone; (ii) 10 mg o...
Introduction: The Xpert MTB/RIF is recommended by the World Health Organization as a first line rapid test for the diagnosis of pulmonary tuberculosis (TB); however, China does not routinely use this test, partially due to the lack of a sufficient number of systematic evaluations of this assay in local patients. The aims of this study were to comprehensively assess the diagnostic performance of...
Abstract Recurrent implantation failure (RIF) is an imprecisely defined disorder lacking a robust scientific basis. The incomplete understanding of RIF provides significant diagnostic and therapeutic challenges, better the underlying issues necessary to improve outcomes. We propose novel concept termed ‘Theoretical Cumulative Implantation Rate’, calculation which based on objective data, define...
The antimycobacterial activities of a new rifampin (RIF) derivative, 3-(4-cinnamylpiperazinyl iminomethyl) rifamycin SV (To), against 20 susceptible and multidrug-resistant strains of Mycobacterium tuberculosis and 20 Mycobacterium avium complex (MAC) strains were investigated. The radiometric MICs of T9 for M. tuberculosis were significantly lower than those of RIF. The MICs of T9 and RIF at w...
Nocardia species are gram-positive environmental saprophytes, but some cause the infectious disease nocardiosis. The complete genomic sequence of Nocardia farcinica IFM 10152 has been determined, and analyses indicated the presence of two different RNA polymerase beta subunit genes, rpoB and rpoB2, in the genome (J. Ishikawa, A. Yamashita, Y. Mikami, Y. Hoshino, H. Kurita, K. Hotta, T. Shiba, a...
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