Abstract: Provided herein are oil herding agents, for example, a biocompatible non-ionic functionalized polysaccharide konjac glucomannan radiation-induced degraded konjac glucomannan. Also provided is a method for containing the spread of an oil spill on a water surface at a low water temperature utilizing the oil herding agent. In addition there is provided a method for preparing an oil herder, a radiation-induced degraded konjac glucomannan prepared by the method and a method for increasing a slick thickness ratio of an oil slick on a water surface utilizing the prepared oil herder.

Abstract: A computer-implemented method, computer-readable medium and system for sharing information are disclosed. A user may associate at least one group with content uploaded to a content database. Each group may be associated with a different department within the business, a different task, a different concept, etc. A search for content may be limited to one or more of the groups, thereby increasing the relevance of the results returned to a user. Additionally, relevance of the search results may be increased by enabling users to flag content so that it is excluded from subsequent searches. Further, certain members may certify content, thereby enabling a user to conveniently determine if content is credible and/or respected by other members of the business.