Abstract: Provided is a monoclonal antibody of matrix metalloproteinase 1. The monoclonal antibody has a heavy chain variable region with an amino sequence comprising i) CDR1 selected from the group consisting of SEQ ID NOs: 1, 7 and 13, ii) CDR2 selected from the group consisting of SEQ ID NOs: 2, 8 and 14, and iii) CDR3 selected from the group consisting of SEQ ID NOs: 3, 9 and 15. The monoclonal antibody also has a light chain variable region with an amino sequence comprising i) CDR1 selected from the group consisting of SEQ ID NOs: 4, 10 and 16, ii) CDR2 selected from the group consisting of SEQ ID NOs: to 5, 11 and 17, and iii) CDR3 selected from the group consisting of SEQ ID NOs: 6, 12 and 18. A polynucleotide encoding the monoclonal antibody and a complementary polynucleotide sequence thereof are provided as well. A detection kit and a detection method are also provided, wherein the detection kit contains the monoclonal antibody of the matrix metalloproteinase 1.

Abstract: A memory card integrating functions of the USB interface includes a memory chip inside a main body. A SD or MS control interface, a USB control interface, a controller, and a storage memory are built in the memory chip. Conductive bars are electrically connected to the memory chip and stick out from one end of the main body. An adaptor for the memory card includes an insertion socket to receive a SD memory card or a MS memory card. Conductive pins are positioned inside the insertion socket to be electrically connected to the memory card. A USB connecting head is provided at the front end of the insertion socket and electrically connected to the conductive pins inside the insertion socket. The SD memory card and the MS memory card can be inserted into the USB slot through the adaptor.

Abstract: A memory card for integrating the USB interface and an adaptor for the memory card are disclosed in the invention. The memory card is to provide a memory chip inside a main body. Besides, a SD or MS control interface, a USB control interface, a controller, and a storage memory are built in the memory chip. Additionally, a plurality of conductive bars is provided for being electrically connected to the memory chip, and the conductive bars also stick out from one end of the main body. On the other hand, the adaptor includes an insertion socket to be inserted in by a SD memory card or a MS memory card. Also, a plurality of conductive pins is provided inside the insertion socket to be electrically connected to the memory card. Finally, a USB connecting head is provided at the front end of the insertion socket and electrically connected to the conductive pins inside the insertion socket.

Abstract: A Li-ion secondary battery with double standard cells is disclosed in the invention, which is to install two standard Li-ion cells inside a casing that has the same size as the size of the casing for two parallel-connected standard cells. In addition, a printed circuit board is also provided inside the casing, and four circuits are provided on the printed circuit board for different functions, including: a step-down circuit for stepping down the discharge voltage of the Li-ion cells, a charging circuit for charging the Li-ion cells in accordance with an adaptor inserted inside a charging slot, a protecting circuit for protecting the charge and discharge operations of the Li-ion cells, and a low-battery detecting circuit for detecting residual power of the Li-ion cells. Therefore, the invention can benefit from the advantages of being a standard battery and a Li-ion secondary battery.