A storage system connected to a computer and a management computer, includes storage devices accessed by the computer, and a control unit for controlling the storage devices. The imaging apparatus of the present invention includes a plurality of pixels each having a conversion element and a TFT connected to the conversion element, a protective layer disposed over the plurality of pixels, a plurality of bias lines each electrically connected to each of the conversion elements, and a plurality of signal lines each electrically connected to each of the TFT. The shelf is attached to a horizontal buoyant base and angled in such a way so that the weight of the reading material distributes the displacement evenly onto the base to promote stability and balance. %, and a network of interconnected pores with a narrow pore size distribution of pores having a median pore size greater than 5 micrometers but less than 20 micrometers. A bar code symbol is created for and read from a non-flat or irregular surface by compensating for distortions caused by the non-flat or irregular surface. The ecPNAs provided herein can upregulate or repress gene transcription and are useful for treating diseases requiring changes in transcription and for induction of inducible pluripotent stem cells.