Handbuch der Virusforschung II. Ergnzungsband [Paperback]

Technic and Application of Roller Tube Cultures.- I. Introduction.- II. Technic.- A. Assembly and care of roller tube cultures.- B. Modifications of technic.- III. Virus studies.- References.- Technic and Application of Drying of Viruses in the Frozen State.- Pre-freezing.- Objectives in drying after freezing.- Mechanism of freeze-drying.- Freezing without drying.- Low temperature without freezing.- Results with freeze-dried viruses.- Laboratory sources of low temperature for freezing and storage.- Removing water vapor.- Apparatus for laboratory research.- Die Auflicht- und Dunkelfeldmikroskopie in der Virusforschung.- A. Einleitung.- B. Die Auflichtapparatur.- C. Erste eigene Versuche einer Auflichtbetrachtung virusbedingter Ver?nderungen im Gewebe.- D. Weitere Versuche anderer Autoren ?ber die Virusmikroskopie im Auflicht.- E. Beobachtungen von virusbedingten Ver?nderungen im Dunkelfeld.- F. Weitere eigene Beobachtungen an vaccinierten Hornh?uten und Organen mit virusbedingten Ver?nderungen.- G. Schlu?betrachtungen.- Literatur?bersicht.- Variation in Influenza Viruses.- I. The influenza group of viruses.- II. Variation as a necessary preliminary to laboratory study.- 1. Adaptation to the allantoic cavity.- 2. Adaptation to mice.- III. Differences amongst influenza virus strains which have been adapted to normal laboratory passage.- 1. Antigenic differences amongst strains of influenza virus.- a) The varying breadth of activity in human convalescent sera.- b) The significance of antigenic differences observed with human immune sera.- c) Antigenic differences as determined by neutralization with immune ferret sera.- d) The use of immune rabbit sera.- e) Cross immunity tests in mice.- 2. Variations in the enzymic activity of different influenza virus strains.- IV. Further modification of influenza viruses induced by laboratory manipulation.- V. The general principles of virus variation as exemplified in influenza virus strains.- VI. The significance of variation in ilcé