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Time-resolved fluorescence spectroscopy is used increasingly to probe molecular motions at the aqueous interfaces of biological macromolecules and membranes. By recording the time variation of the fluorescence frequency, thermal atomic fluctuations in the vicinity of the chromophore can be probed. From such fluorescence Stokes shift (FSS) experiments, it has been inferred that water motions in the
Antibody-based microarrays are among the novel classes of rapidly evolving proteomic technologies that holds great promise in biomedicine. Miniaturized microarrays (< 1 cm(2)) can be printed with thousands of individual antibodies carrying the desired specificities, and with biological sample (e.g., an entire proteome) added, virtually any specifically bound analytes can be detected. While consumi
Immune complexes were formed in vitro with antibodies obtained from rabbits immunized with bovine serum albumin in Freund's complete (FCA) or incomplete (FIA) adjuvant. The antibodies were mixed with different amounts of antigen. Immune complexes formed at maximum precipitation proportions were efficient in complement activation, whereas immune complexes formed at antigen excess had weak complemen
Quantitative studies show that the proportion of young people in Sweden who distrust democracy has increased, mainly among boys. This qualitative interview study, based on qualitative text analysis, seeks an in-depth understanding of young people's experiences of democracy through semi-structured interviews, illuminated by the theory of participatory democracy. The study includes group intervi
Cells must recycle stalled ribosomes while preventing the accumulation of aberrant nascent chains. In bacteria, this is achieved by overlapping pathways with distinct substrates: ribosome-rescue systems act mainly on non-stop mRNAs, whereas ribosome-associated quality control (RQC) targets mid-ORF arrests. Work in Gram-positive bacteria defined an RQC mechanism that appends C-terminal degrons to s
PURPOSE: To evaluate the long-term results of a prospective, longitudinal case series of untreated, traumatic triangular fibrocartilage complex (TFCC) tears found in displaced distal radial fractures. METHODS: Between 1995 and 1997, 51 patients (24 men, 27 women; age, 20-57 y) with a displaced distal radius fracture had wrist arthroscopy to identify associated injuries. Forty-three patients had c
Variable selection properties of procedures utilizing penalized-likelihood estimates is a central topic in the study of high-dimensional linear regression problems. Existing literature emphasizes the quality of ranking of the variables by such procedures as reflected in the receiver operating characteristic curve or in prediction performance. Specifically, recent works have harnessed modern theory
