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We have discovered a novel chemisorption method using octadecyltrimethoxysilane (ODMS), titanium tetraisopropoxide (TTIP), water, and toluene  to form highly-ordered self-assembled monolayers (SAM) of ODMS. The SAMs were formed rapidly from the active solution even when it was kept for three months. The solution and layers were characterized by several methods. We propose a mechanism for the rapid formation of the ODMS-SAM.
An extremely rare case of primary non-Hodgkin’s lymphoma of the larynx (Stage IE) diagnosed by gene rearrangement is reported. The patient was a 76-year-old man with a chief complaint of pharyngeal discomfort. Remission was obtained by excision of the tumour and radiotherapy. Surface phenotypic studies of the laryngeal lesion demonstrated a main population of B-cells expressing L-26, some of the atypical lymphocytes positive with UCHL-1. Genotypic analysis of the specimen disclosed a clonal rearrangement of the immunoglobulin heavy chain with the same rearrangement pattern. These data indicate that this patient had non-Hodgkin’s lymphoma with diffuse large B-cell type. Gene rearrangement analysis was useful for diagnosis. Diagnostic and therapeutic options are discussed in light of the current literature.
Both YBa2Cu4O8 and (Y0.95Ca0.05)Ba2Cu4O8 were successfully prepared by firing for 160 h at 850 °C and at oxygen partial pressure of 3 atm without using any catalysts. These samples were characterized in terms of the crystallographic structure and thermal and superconducting properties. The x-ray powder diffraction patterns and superconducting properties for these samples were little changed after post-annealing for 6 h at 1070 °C and at oxygen partial pressure of 400 atm. However, when heat-treated at 700 °C in air and then quenched into liquid nitrogen, samples without post-annealing showed broader superconducting transitions than those post-annealed. Actually, the sharpness of the superconducting transition for a post-annealed sample was little affected by quenching. These observations were in agreement with the results of both transmission electron microscopy and thermal analyses.
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