Abstract: Disclosed herein are composite polypeptide. According to various embodiments, the composite polypeptide includes a parent polypeptide and a metal binding motif capable of forming a complex with a metal cation. The composite polypeptide may be conjugated with a linker unit having a plurality of functional elements to form a multi-functional molecular construct. Alternatively, multiple composite polypeptides may be conjugated to a linker unit to form a molecular construct, or a polypeptide bundle. Linker units suitable for conjugating with the composite polypeptide having the metal binding motif are also disclosed.

Abstract: A surface enhanced Raman spectroscopy (SERS) analytical device includes a substrate having a porous structure, and a plurality of plasmonic nanoparticles embedding in the porous structure and forming a sensing region. A method of detecting a target analyte in a sample includes contacting the sample with the substrate, whereby the target analyte, if present in the sample, is concentrated in the sensing matrix. The substrate may then be analyzed using SERS detection equipment.

Abstract: A surface enhanced Raman spectroscopy (SERS) analytical device includes a substrate having a porous structure, and a plurality of plasmonic nanoparticles embedding in the porous structure and forming a sensing region. A method of detecting a target analyte in a sample includes contacting the sample with the substrate, whereby the target analyte, if present in the sample, is concentrated in the sensing matrix. The substrate may then be analyzed using SERS detection equipment.

Abstract: A video conference system utilizing a mobile phone and the method thereof is provided. The video conference system includes a computer host, a mobile phone, a computer monitor, and an internet. The mobile phone includes an audio detection device, a photo-sensing device, a conversion unit, a transceiver unit, and a loudspeaker. The mobile phone records images and sounds, and outputs a video signal and an audio signal to the computer host accordingly. The computer further sends the video and audio signals to a remote client via an internet. The images and sounds in the remote client are sent to the computer host via the internet, and the sounds are played out by the loudspeaker of the mobile phone.

Abstract: A method and apparatus applied to a host, for transmitting a Bluetooth data via a portable apparatus having a Bluetooth module, includes steps of: (a). the host choosing “transmit mode”; (b). setting the portable apparatus as “Bluetooth mode”; (c). the host generating a Bluetooth command and the Bluetooth data; (d). the host transmitting the Bluetooth command and the Bluetooth data to the portable apparatus; (e). the portable apparatus receiving the Bluetooth command and the Bluetooth data and generating a wireless data according thereto; and (f). the portable apparatus outputting the wireless data and receiving and transmitting other Bluetooth data to the host.