Emotion Recognition Based on Multiple Physiological Signals / 中国医疗器械杂志

Emotion is a series of reactions triggered by a specific object or situation that affects a person's physiological state and can, therefore, be identified by physiological signals. This paper proposes an emotion recognition model. Extracted the features of physiological signals such as photoplethysmography, galvanic skin response, respiration amplitude, and skin temperature. The SVM-RFE-CBR(Recursive Feature Elimination-Correlation Bias Reduction-Support Vector Machine) algorithm was performed to select features and support vector machines for classification. Finally, the model was implemented on the DEAP dataset for an emotion recognition experiment. In the rating scale of valence, arousal, and dominance, the accuracy rates of 73.5%, 81.3%, and 76.1% were obtained respectively. The result shows that emotional recognition can be effectively performed by combining a variety of physiological signals.

Effect of Different Optimal Decontamination Methods on Management of Implantation Instruments of Orthopedics / 中华医院感染学杂志

OBJECTIVE To study the effect of optimal decontamination methods on the management of implantation instruments of orthopedics.METHODS To clean the instruments by the Campany(control group) and by the nurse after hospital training(management group),and compare the decontamination quality of the two methods by visual inspection using magnifying glass.RESULTS The qualification rate of instruments of the management group was more than control group(P

Expression of proteins in mouse thymocytes induced by low dose X-rays and their biological activity / 中国病理生理杂志

AIM: To observe the expression of proteins induced by whole-body irradiation in mice with low dose X-rays and their biological activity. METHODS: To analyse the expression of protein induced by whole-body irradiation with 75mGy X-rays and sham-irradiation, the method of gel filtration with Sephadex G-100 and HPLC were used. The biological activity of protein expressed in thymocytes was observed by mouse splenocyte proliferation and chromosome aberration of human peripheral blood lymphocytes. RESULTS: HPLC analysis showed that there was a marked decrease in expression of 24.5 kD protein molecule in the fractions of thymocyte extract in comparison with the corresponding fractions from the sham-irradiated control mice. These protein fractions from the thymocytes of the irradiated mice at the concentration of 6.25 mg/L showed both inhibitory effect on normal T cell proliferation and protective effect on the chromosome damage induced by high dose radiation. CONCLUSION: Down regulation of 24.5 kD protein molecule expression may have implications in the mechanism of immunoenhancement and cytogenetic adaptive response induced by low dose radiation.