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Abstract: In order to address the neutralization epitope on bovine herpesvirus 1 (BHV1) glycoprotein B (gB), a panel of monoclonal antibodies (MAbs), a series of truncation forms of the glycoprotein and an MAb-escape mutant were used in this study. Immunocytochemistry on the truncations using MAbs against the glycoprotein revealed that the neutralization epitopes recognized by the MAbs lay between residues 1 and 52 of mature gB. Comparison of the sequences among the mutant, parent, and revertant viruses demonstrated that the amino-terminal residue of mature gB of the escape mutant was changed from Arg to Gln. These findings indicate that the amino-terminal residue of gB is critical for neutralization of BHV1. [Copyright &y& Elsevier]

This paper reports on the manufacturing and evaluation of a solar power sail membrane prototype for the OKEANOS project. The in-house prototype was built by the Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency. Mechanical and electrical evaluation tests were conducted. The membrane, thin-film solar cells, reflectivity control devices were good condition after the manufacturing and handling. The improvements in the manufacturing process and design were found. The manufacturing process and design were fundamentally established. After the prototype, improvement plans for the manufacturing process and design were tried. We have a prospect of manufacturing the flight model sail and continue to the development. [ABSTRACT FROM AUTHOR]