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The customer’s privacy may be exposed in most existing micropayment schemes. To protect the privacy of a customer’s identity, according to the definitions of anonymity given in this paper, a novel micropayment scheme (called xPay) with security, efficiency and complete anonymity is proposed. The scheme, based on hash chain, introduces both(More)
Sepsis is a life-threatening complication of an infection and remains one of the leading causes of mortality in surgical patients. Bacteremia induces excessive inflammatory responses that result in multiple organ damage. Chronic helminth infection and helminth-derived materials have been found to immunomodulate host immune system to reduce inflammation(More)
Objective To investigate the expressions of postsynaptic density protein 95 (PSD95) and synaptophysin (SYP) in primary culture of neurons at different times. Methods The expressions of PSD95 and SYP were detected using immunofluorescence technique in primary culture of cerebral cortical neurons at 3 days in vitro (3DIV), 7DIV and 14DIV. Results PSD95 was(More)
Objective To investigate the immunological effect of glycyrrhizic acid (GA) on MRL/lpr mice and its underlying mechanism. Methods The research included 10 wild type C57BL/6 mice and 40 MRL/lpr mice. MRL/lpr mice were randomly assigned to four groups: MRL/lpr control, MRL/lpr treated with dexamethasone (1.5 mg/kg), MRL/lpr treated with GA (20 mg/kg) and GA(More)
The purpose of the present study was to evaluate whether Rho-kinase inhibition (Y-27632) modulated the expressions of nuclear factor kappaB (NF-κB) in systemic lupus erythematosus. 20 wild type mice and 20 MRL/lpr mice were applied for the research. The animals were randomly assigned to wild type, wild type+Y-27632 group, MRL/lpr group and MRL/lpr+Y-27632(More)
Basis pursuit algorithm is one of the most popular methods of sparse coding. The goal of the algorithm is to represent signal using as few coefficients as possible, which is suitable for acoustic signal compression. This paper presents a lossless coding/decoding method using the basis pursuit algorithm. In this method, wavelet packets bases were used to(More)
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