Abstract: In one embodiment, a method includes accessing, from a data store of the communication network, user information associated with a first user of the communication network, identifying one or more entities associated with the communication network that are relevant to the first user based on the user information, and retrieving, for each identified entity, one or more content frames associated with the entity. The method includes ranking the one or more content frames based on the user information. The method also includes sending, to a client device of the first user, one or more of the content frames for display to the first user in ranked order, wherein each content frame is selectable by the first user to display the selected content frame in association with a particular content item for a specified period of time.

Abstract: In one embodiment, a method includes accessing, from a data store of the communication network, user information associated with a first user of the communication network, identifying one or more entities associated with the communication network that are relevant to the first user based on the user information, and retrieving, for each identified entity, one or more content frames associated with the entity. The method includes ranking the one or more content frames based on the user information. The method also includes sending, to a client device of the first user, one or more of the content frames for display to the first user in ranked order, wherein each content frame is selectable by the first user to display the selected content frame in association with a particular content item for a specified period of time.

Abstract: The present invention provides a linker for joining an electrode and a capture probe on a biochip, and a biochip comprising the linker. The impedance baseline of the linker of the present invention is three orders lower than the conventional long chain thiol linker when adopting in a fadaraic impedance biochip construction. With lower impedance baseline, the device designed to measure the signal of the biochip of the present invention could be further simplied on the electrical circuit design and be made in lower cost, compacter size and get the potential to be used in point-of-care applications. The present invention also provides a method of quantitatively detecting a concentration of a target analyte in a fluid sample by adopting the biochip and the linker of present invention.

Abstract: The present invention provides a linker for joining an electrode and a capture probe on a biochip, and a biochip comprising the linker. The impedance baseline of the linker of the present invention is three orders lower than the conventional long chain thiol linker when adopting in a fadaraic impedance biochip construction. With lower impedance baseline, the device designed to measure the signal of the biochip of the present invention could be further simplied on the electrical circuit design and be made in lower cost, compacter size and get the potential to be used in point-of-care applications. The present invention also provides a method of quantitatively detecting a concentration of a target analyte in a fluid sample by adopting the biochip and the linker of present invention.

Abstract: A process for preparing optically active allylic alcohol derivatives comprises reacting a racemic mixture of the following formula I ##STR1## wherein R is alkyl, alkenyl, or substituted or unsubstituted aryl or arylalkyl;with acetate or anhydride under the catalysis of Pseudomonase AK, PS or K-10 lipase in the presence of an organic solvent.