نتایج جستجو برای: dst
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High Efficiency Video Coding (HEVC) uses an 8-point filter and a 7-point filter, which 7 are based on the discrete cosine transform (DCT), for the 1/2-pixel and 1/4-pixel interpolations, 8 respectively. In this paper, discrete sine transform (DST)-based interpolation filters (IF) are 9 proposed. The first proposed DST-based IFs (DST-IFs) use 8-point and 7-point filters for the 10 1/2-pixel and ...
Pyrazinamide (PZA) is a key antituberculosis drug, yet no rapid susceptibility test is commercially available. PZA drug susceptibility testing (DST) was performed directly on sputum samples from 327 patients and compared with the indirect method by using the Bactec MGIT 960 system in the context of patient screening for participation in a drug trial. Compared to standard indirect PZA DST, direc...
Tree-Embedding is one of the most powerful techniques in the area of approximation algorithms as it reduces many diffcult problems like group Steiner tree (GST) on general graphs into amenable tree intances. However, the developments on tree-embedding are pertained only to undirected graphs, thus rendering it useless against problems on directed graphs like directed Steiner tree (DST) and its g...
OBJECTIVES To assess the predictive value of in vitro drug susceptibility testing (DST) in slow-growing non-tuberculous mycobacteria (NTM), knowledge on quantitative levels of drug susceptibility should be available. The aim of this study was to investigate the suitability of the MGIT 960/TB eXiST system for quantitative DST of NTM. METHODS We have assessed quantitative levels of drug suscept...
OBJECTIVE To establish breakpoint concentrations for the fluoroquinolones (moxifloxacin [MFX] and ofloxacin [OFX]) and injectable second-line drugs (amikacin [AMK], kanamycin [KM] and capreomycin [CPM]) using the microscopic observation drug susceptibility (MODS) assay. SETTING A multinational study conducted between February 2011 and August 2012 in Peru, India, Moldova and South Africa. DE...
Introduction. Second-line antituberculosis drugs (SLDs) are used for treating multidrug-resistant tuberculosis (MDR-TB). Prolonged delays before confirming MDR-TB with drug susceptibility testing (DST) could result in transmission of drug-resistant strains and inappropriate use of SLDs, thereby increasing the risk of resistance to SLDs. This study investigated the diagnostic delay in DST and pr...
Dural sinus thrombosis (DST) has been reported in association with cancer in both adults and children. We describe the seven patients seen with this complication in our centre between 1981 and 1995. Diagnosis was confirmed by either cerebral CT scanning, MRI or angiography. Median age was 13 years (range 8-15). Six patients were boys. Six children were being treated for non-Hodgkin lymphoma and...
The impact of in vitro chemosensitivity test-guided platinum-based adjuvant chemotherapy on the surgical outcomes of patients undergoing complete resection for locally advanced non-small cell lung cancer (NSCLC) has yet to be elucidated. In the present study, the utility of adjuvant chemotherapy based on the collagen gel droplet embedded culture drug sensitivity test (CD-DST) in patients with p...
The history of Daylight Saving Time (DST) has been long and controversial. Throughout its implementation during World Wars I and II, the oil embargo of the 1970s, consistent practice today, and recent extensions, the primary rationale for DST has always been to promote energy conservation. Nevertheless, there is surprisingly little evidence that DST actually saves energy. This paper takes advan...
Induction of transplantation tolerance to alloantigens without general immunosuppression remains an enduring challenge. Injecting a donor-specific transfusion (DST) of spleen cells together with blocking alphaCD154 antibody prior to graft transplantation is an effective way to induce long-lived graft acceptance. Using a novel T-cell receptor (TCR) transgenic (Tg) model of CD4+ T-cell-mediated r...
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