Abstract: The present disclosure generally relates to compositions and methods for enhancing transport of molecules into the brain using modified IgG Fc regions, and methods of producing and using molecules comprising such modified Fc regions.

Abstract: A preview method for a film scanner includes the steps of: scanning images on a film held at a film holder by a film scanner with a low resolution to provide a pre-scanned images; recognizing the type of the film holder by receiving information of the film holder outputted from the film scanner; performing a frame positioning step if the film holder is a 120 type film holder; and directly displaying pre-scanned images on a job panel if the film holder is not the 120 type film holder and displaying pre-scanned images on the job panel according to the position and size of image frames adjusted in the frame positioning step if the film holder is the 120 type film holder. Therefore, users do not have to choose the frame size before a preview process.