Abstract: The present invention relates to a method for isolating DNA from a solution, and relates in particular to a method and kit for isolating DNA from a solution by using a Cas protein. The present invention may effectively increase efficiency in extracting cell-free DNA.

Abstract: The disclosure relates to the fabrication of a three dimensional [3-D] cell culture membrane comprising one or more functionalized surfaces adapted to provide cell culture conditions suitable for the analysis of proliferation, differentiation or function of cells, typically eukaryotic or prokaryotic cells.

Abstract: An USB plug capable of being inserted face up and face down includes a metal shell, an insulating body and conductive terminals arranged in the metal shell. The front end of the insulating body protrudes and is provided with an insertion core. The upper face and the lower face of the insertion core are respectively provided with a set of conductive terminals. Each of the conductive terminals on the upper face of the insertion core in a sequence from left to right is connected with the corresponding one of the conductive terminals on the down side of the insertion core in a sequence from right to left one by one. Both the up side and the down side of the insertion core of the USB plug can be electrically connected, so that the plug can be electrically connected effectively when being inserted in a socket either face up or face down.

Abstract: An USB plug capable of being inserted face up and face down includes a metal shell, an insulating body and conductive terminals arranged in the metal shell. The front end of the insulating body protrudes and is provided with an insertion core. The upper face and the lower face of the insertion core are respectively provided with a set of conductive terminals. Each of the conductive terminals on the upper face of the insertion core in a sequence from left to right is connected with the corresponding one of the conductive terminals on the down side of the insertion core in a sequence from right to left one by one. Both the up side and the down side of the insertion core of the USB plug can be electrically connected, so that the plug can be electrically connected effectively when being inserted in a socket either face up or face down.

Abstract: The disclosure relates to the fabrication of a three dimensional [3-D] cell culture membrane comprising one or more functionalized surfaces adapted to provide cell culture conditions suitable for the analysis of proliferation, differentiation or function of cells, typically eukaryotic or prokaryotic cells.