Abstract: A method of configuring a simple kernel access control policy for an Android-based mobile terminal includes: creating an entire list in a file system of a plurality of mobile terminals through a web user interface of a management server; creating a system policy set and an application policy set by recognizing in advance subjects and objects in the entire list by means of the management server; creating a group policy for each user group on the basis of the system policy set and the application policy set by means of the management server; distributing the group policies to the mobile terminals by means of the management server; and executing the group policies by means of the mobile terminals.

Abstract: A method of configuring a simple kernel access control policy for an Android-based mobile terminal includes: creating an entire list in a file system of a plurality of mobile terminals through a web user interface of a management server; creating a system policy set and an application policy set by recognizing in advance subjects and objects in the entire list by means of the management server; creating a group policy for each user group on the basis of the system policy set and the application policy set by means of the management server; distributing the group policies to the mobile terminals by means of the management server; and executing the group policies by means of the mobile terminals.

Abstract: The present invention relates to a biological implantation material and method of preparing the same, which comprises the steps of: (i) treating a tissue derived from animal or human with alcohol; (ii) contacting the said tissue with an enzyme selected from the group consisting of dispase, DNAse, RNAse and pepsin in a solvent; (iii) treating the tissue obtained in step (ii) with alkaline solution; and (iv) treating the tissue obtained in step (iii) with acid solution.