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Qian, Jun,Li, Jing,Jia, Jian-Guang,Jin, Xin,Yu, Da-Jun,Guo, Chen-Xu,Xie, Bo,Qian, Li-Yu Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.4
Objectives: To observed the effects of ginsenoside -Rh2 (GS-Rh2) on proliferation and apoptosis of side population (SP) human gastric cancer SGC-7901 cells. Materials and Methods: SGC-7901 SP and Non-SP cells were sorted by flow cytometry and assessed using the cck-8 method. Expression of apoptosis-related proteins Bax and Bcl-2 of SP before and after the intervention was determined by Western-blotting. Results: It was found that the proliferation of SP was significantly faster than that of NSP (P<0.05). In addition, GS-Rh2 inhibited proliferation of gastric cancer SP cells, induced cell cycle arrest and cell apoptosis, and changed the expression of BAX/Bcl-2 proteins in a time-dependent and concentration-dependent manner (P<0.05). Conclusions: With increase of GS-Rh2 dose, GS-Rh2 gradually inhibit the proliferation of SGC-7901 SP cells, which have high proliferation rate, through G1/G0 phase arrest, followed by apoptosis which involves the up-regulation of Bax and the down-regulation of Bcl-2.
QR Code Recognition Mobile System using DSP based QR decoder
Xie Qian,Dong-Sub Cho,Min-Hwan Kim 한국멀티미디어학회 2011 한국멀티미디어학회 국제학술대회 Vol.2011 No.-
With the ubiquitous of cellular phones, mobile applications with 2D barcodes have drawn a lot of attentions in recent years. As One kind of two-dimensional barcode, QR code has many advantages such as large information capacity, high reliability, fast decoding, omnidirectional decoding and expressing more effectively. It’s a common code of two-dimensional barcode for mobile phone. With the development of 3G, QR code will have broad prospects. This paper shows a new method of image recognition for QR barcodes in mobile phones. The mobile phone system used here consists of a camera, mobile application processor, digital signal processor (DSP), and display device, and the source image is captured by the embedded camera device.
An Efficient Search Method For XML document
( Xie Qian ),( Dong-sub Cho ) 한국정보처리학회 2011 한국정보처리학회 학술대회논문집 Vol.18 No.1
Because of the rapid development of internet, there are more and more documents stored by the XML-based format. When there is a great deal of XML documents, how to get the valuable Information is an important subject. This paper proposes an effective XML document search method to search text contents and structures of XML documents. We build the keyword matrix of text contexts and structure matrixes of structures in XML documents to improve the efficiency of query time. When there is a great deal of XML documents, the search method we propose can improve much efficiency of query time.