Wenping Guo

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OBJECTIVE To study the expression of matrix metalloproteinase (MMP)-2, 9 and tissue inhibitor of metalloproteinase (TIMP)-1, 2 protein in human endometrial carcinoma tissue and its relation to the invasion and metastasis of endometrial carcinoma. METHODS Immunocytochemistry and zymography techniques were used to measure the MMP-2, MMP-9, TIMP-1, TIMP-2(More)
XML digital signature is an important specification of W3C, while most implementations of the digital signatures are based on the overall XML document at present. This paper mainly describes a method and process of digital signature for XML resource document fragment. The method is available and effective through practice by JDK 6.
Low Al-composition p-GaN/Mg-doped Al0.25Ga0.75N/n(+)-GaN polarization-induced backward tunneling junction (PIBTJ) was grown by metal-organic chemical vapor deposition on sapphire substrate. A self-consistent solution of Poisson-Schrödinger equations combined with polarization-induced theory was used to model PIBTJ structure, energy band diagrams and free(More)
Targeted therapy is currently a hot topic in the fields of cancer research and drug design. An important requirement for this approach is the development of potent and selective inhibitors for the identified target protein. However, current ways to estimate inhibitor efficacy rely on empirical protein-ligand interaction scoring functions which, suffering(More)
  • Wenping Guo
  • 2011 3rd International Conference on Computer…
  • 2011
How to ensure the security of digital image information is a difficult and hot problem. This paper presents a new digital image scrambling encryption algorithm based on chaotic sequence. The algorithm utilizes the good features of chaotic sequence related to cryptographic properties, such as pseudo-random, sensitivity to initial conditions and aperiodicity.(More)
Calculation of large complex systems remains to be a great challenge, where there is always a trade-off between accuracy and efficiency. Recently, we proposed the extended our own n-layered integrated molecular orbital (ONIOM) method (XO) (Guo, Wu, Xu, Chem. Phys. Lett. 2010, 498, 203) which surmounts some inherited limitations of the popular ONIOM method(More)
As lack of semantic for information description and semantic support for the query processing, traditional Blog systems are unable to satisfying users in the performance of information organization and retrieval. Through analyzing the existing technologies in Blog systems and focusing on semantic retrieval of Blog information resource, this paper proposes(More)
Uterine leiomyomas (ULMs) are the most common benign tumors in premenopausal women associated with major tissue fibrosis. It has been suggested that inflammatory response is associated with the development of ULM. YKL-40 is a chitinase-like protein present in serum of healthy participants, and its levels are increased in several human inflammatory diseases.(More)
Chaos system is a kind of complicated, nonlinear dynamic system. The complexity, pseudo-random and sensitivity to initial conditions of chaotic sequence have close relationship to cryptographic properties. We analyze the typical dynamic system-logistic mapping. On the basis of this analysis, we present a novel Chinese character encryption algorithm based on(More)