A hand-held digital image capture device has a user-selectable mode in which upon engaging the mode the device detects a face in the field of view of the device and generates a face delimiter on a camera display screen, the delimiter surrounding the initial position of the image of a the face on the screen. More specifically, the subject invention provides materials and methods for eliminating selectable marker genes from transformed cells. The first read data is converted to a first digital data. Also disclosed are methods for preparing the structure, including automated methods. A liquid discharge groove that communicates between the space and the outer peripheral side surface of the holding part is formed in the holding part.