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Journals and Conferences
A theoretical expression has been derived for the mean collagen fibril length in tendon based on the assumption that collagen fibrils originate in cell surface invaginations and terminate either at some remote cell surface or another collagen fibril bundle. The expression thus determined requires knowledge of the effective lengths of the fibrocytes (or… (More)
Considerable sequence data have been collected from the intermediate filament proteins and other alpha-fibrous proteins including myosin, tropomyosin, paramyosin, desmoplakin and M-protein. The data show that there is a clear preference for some amino acids to occur in specific positions within the heptad substructure that characterizes the sequences which… (More)
Analysis of the amino acid sequences of lamins A and C has revealed that each chain has an almost continuous heptad-containing coiled-coil domain containing structural regularities in the linear disposition of the acidic and the basic residues. The data suggest that the lamin molecules are two-stranded ropes, that the two chains are parallel to one another… (More)
Amino acid sequence data have been collected for the coiled-coil rod domains of three-stranded alpha-fibrous proteins--fibrinogen, laminin, tenascin, macrophage scavenger receptor protein and the leg fibre protein from bacteriophage. Such domains are characterized by a heptad substructure in which apolar residues occur alternately three and four residues… (More)
Electrohydraulic lithotripsy, when performed blindly for ureteral calculi in the past, resulted in frequent ureteral perforation and, therefore, it was considered to be unsafe. A total of 33 patients from 5 institutions underwent electrohydraulic lithotripsy for ureteral calculi under direct vision. There were only 3 minor ureteral perforations treated by… (More)
Motivated by the need to augment Merck's in-house small molecule collection, web-based tools for designing, enumerating, optimizing and tracking compound libraries have been developed. The path leading to the current version of this Virtual Library Tool Kit (VLTK) is discussed in context of the (then) available commercial offerings and the constraints and… (More)
Reagent Selector is an intranet-based tool that aids in the selection of reagents for use in combinatorial library construction. The user selects an appropriate reagent group as a query, for example, primary amines, and further refines it on the basis of various physicochemical properties, resulting in a list of potential reagents. The results of this… (More)
We report 2 cases of penile horns, including 1 in which verruca carcinoma developed in the base. Treatment of this disease and its potential malignant degeneration are discussed.
Scrotal ultrasonography was performed on 43 patients with a diagnostic accuracy rate of 88 per cent. With a small parts 7.5 MHz. real-time ultrasound scanner a clear distinction between gonadal and epididymal pathologic conditions can be achieved in the majority of cases.
A new nephrostomy tube has been designed that allows for atraumatic passage by a stylet from inside the renal pelvis through the renal cortex. The technique for safe insertion is described.