A method and system for single sign-on session management. The processing core includes a register file, comparison logic, decode logic, and a store path. The method includes increasing expression of a polynucleotide sequence that encodes botryococcene synthase in the cell. The source-side spacer is disposed on a sidewall of the stacked structure near the source, thereby preventing the tunneling oxide layer and the inter-gate dielectric layer near the source from being re-oxidized, resulting in an increased thickness. Output can be initiated using the touchscreen interface andor a foot pedal. On both sides the core sheet comprises continuous edge zones, which extend parallel to the covering layers, in order to, together with the covering layers, ensure the best possible stability of the board.