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We present a new wavelet-based strategy for autonomous feature extraction and segmentation of cardiac structures in dynamic ultrasound images. Image sequences subjected to a multidimensional (2D plus time) wavelet transform yield a large number of individu ...
Intercellular communication is governed by interactions between surface oligosaccharides and glycoproteins. The biosynthesis of these molecules involves glycosidations catalyzed by glycosyltransferases and hydrolysis of O-glycosyl linkages catalyzed by gly ...
Review with 199 refs. Recent studies addressing vancomycin-resistance phenomena are surveyed. Besides leading semi-synthetic glycopeptides: BI-397 and LY 333328, other new synthetic derivs. are also presented. Rational design based on the known mode of act ...
Natural competence for transformation is a primary mode of horizontal gene transfer (HGT). Competent bacteria are able to absorb free DNA from their surroundings and exchange this DNA against pieces of their own genome when sufficiently homologous. And whi ...
Rapidly progressive multidrug-resistant tuberculosis (MDR-TB) is well documented in human immunodeficiency virus (HIV) positive subjects, but it is not fully recognised in HIV-negative subjects in the familial environment. We report three cases of MDR-TB i ...
Tuberculosis-control programmes are compromised by the increased frequency of multidrug-resistant strains of Mycobacterium tuberculosis. We used the polymerase chain reaction (PCR) and single-strand conformation polymorphism (SSCP) analysis techniques to e ...
