AIM: To establish the method of determining procyanidin B2 content in grape seed extract by HPLC. METHODS: The determination was carried out with ZORBAX SB-C_ 18 column. The mobile phase consisted of acetonitrile-2% acetate buffer under the gradient elution condition, detection wavelength was at 280nm. RESULTS: There was a good linear relationship between the peak area and concentration in the range of 1~30 ?g/mL for procyanidin B2. The average of procyanidin B2 (n=5) was 99.29% and RSD=1.64%, respectively. CONCLUSION: The method is simple, accurate, reproducible and can be used for assay of procyanidin B2.

Objective:To observe dynamic change of phosphorylated tau protein and non phosphorylated tau protein in axon and explore whether GSK3 in serum were related with phosphorylated tau protein in brain of EAE mice.Methods: Mice were randomly divided into six groups:EAE group of acute stage,EAE group of paralytic stage,EAE group of remission stage,control group of acute stage,control group of paralytic stage,control group of remission stage,each group had twelve mice.EAE model were constructed by MOG35-55 peptides in EAE group, the saline was used in control group.The nerve function scores and incidence were observed and compared.We observed degree of brain inflammation by HE staining and measured axons which contained two kinds of tau protein by immunohistochemistry.GSK3 in serum was tested to find correlation with phosphorylated tau protein in brain by ELISA method.Results:Nerve function scores in EAE group were higher than control group.The degree of inflammation damage was more serious in EAE group than control group,gradually enhancing with time.Phosphorylated tau protein in brain gradually increased before mice paralyzing(P<0.01),but it decreased when symptom relieved(P<0.01).GSK3 in serum were correlated with phosphorylated tau protein in brain(r=0.9326,P<0.01),linear regression equation:Y=2.950+0.418X.Conclusion:Phosphorylated tau protein in brain are correlated with axon damage and GSK3 in serum could indirectly reflect axon damage in brain.

Objective To evaluate the effect of group cooperative learning on the experimental teaching of obstetrics and gynecology nursing.Methods We chose 113 undergraduate nursing students,using the traditional self-learning mode in the experimental teaching of cleaning and disinfection of the vulva and the group cooperative learning mode in the experimental teaching of vaginal douching.Their practical manipulations of the nursing skills by the two teaching modes were compared.A self-designed questionnaire was adopted to investigate the student's attitude to the group cooperative learning.Results The examination achievement by the group cooperative learning was better than that by the traditional self-learning,(Z=-4.986,P<0.001).89.4%of the students approved of the group cooperative learning.Conclusion The group cooperative learning may improve the effects of experimental training,contribute to the cooperative spirits of students,and also make full use of the human resources in teaching.

Objective To establish the optimal extracted method for content dete rmination of naringin in Citrus grandis. Methods RP-HPLC was used to determinat e the content of naringin extracted with the above two methods from different ye ar samples of Citrus grandis. Results The average content extracted with ultraso nic extraction was 13.53 %,and the average content extracted with soxhlet extr action was 11.98 %,there being insignificant difference between the two method s. Conclusion The content of naringin extracted with ultrasonic extraction is mo re than that with the soxhlet extraction,which be receipted in Chinese pharmeco pia. And ultrasonic extraction method is more convenient and can save time.

Objective To determine the serum levels of cross-linked telopoptide of type Ⅰ collagen (ICTP),alkaline phosphatase (ALP) in patients with primary malignant bone tumor,primary benign bone tumor and malignant tumor metastasized to the bone,and to explore the clinical value of ICTP and ALP in identification and diagnosis of bone tumor.Methods Sixteen primary malignant bone tumor patients,16 primary benign bone tumor patients and 18 malignant tumor metastasized to the bone patients in 2012 were studied.Serum ALP was assayed by SFBC rate method and ICTP by enzyme linked immunosorbent assay (EIA).Results The serum levels of ICTP was not significantly different between primary benign bone tumors and normal control group (P ＞ 0.05),but the other between-groups had statistically significant difference (P ＜ 0.05).The serum levels of ALP in malignant tumor metastasized to the bone was significantly higher than the rest of the group (P ＜0.01),but the difference between the remaining groups was not statistically significant (P ＞ 0.05).The area under roc curve (AUC) of ICTP for diagnosis of primary benign bone tumors,malignant tumor metastasized to the bone,primary malignant bone tumor (0.923,0.926,0.874) was higher than the ALP (0.354,0.702,0.865).Conclusions Serum ICTP and ALP were sensitive and convenient biochemical indices which reflected metabolism of patients with bone tumor.Serum ICTP was more specific and sensitive than ALP and they have clinical importance for differential diagnosis as an index of bone tumor.

Objective To investigate the security characteristics of rural young boarding pupils and its influencing factors.Methods 210 boarding and 265 non-boarding rural young pupils of Huojia in Henan were tested by questionnaires,including of a self-developed questionnaire,security questionnaire and adolescent mental resilience scale.Results ①The scores of the interpersonal security (25.99 ± 5.53),the determine control sense factor (24.63 ±6.17) and the total security(50.62 ± 10.37) in the boarding pupils were statistically lower than non-boarding pupils (27.36 ± 6.38,26.00 ± 6.55,53.36 ± 11.77,P ＜0.05).②There were statistically significant difference in the scores of the interpersonal security,the determine control sense factor and the total security among the different grades(P＜0.05),but there were no statistically sex difference in the scores(P ＞ 0.05).③Group regression analysis showed that,no family factors in the young boarding pupils had influence on the score of the security sense factors and the total (P＞0.05),and marital relationship of parents,only child,father' s and mother(')s education background of non-boarding pupils had certain influence on the score of the interpersonal security,the determine control sense factor and the total security (β =-0.43-0.27,P＜ 0.05).④The group regression analysis showed that,the problem solving and self-efficacy,parents'high expectations in mental toughness respectively had some effect on the interpersonal security of boarding and non-boarding pupils(β =-0.15,β =0.25,P＜0.05),and social ability and family care,schools resilience respectively had influence on the determine control sense in boarding and non-boarding pupils (β =-2.91-2.87,P＜0.05),and social ability,parents'high expectations respectively had influence on the total security in boarding and non-boarding pupils (β =-0.17,β=0.22,P＜0.05).Conclusion The security-sense in boarding young pupils are lower than the non-boarding young pupils,and family factors and mental toughness have different effects on security-sense of two kinds pupils.

Objective This article aimed to investigate the treatment adherence of patients with hypertension and examine determinants of adherence.Methods A longitudinal design was adopted to test the treatment adherence and correlated factors of patients with hypertension twice from 2009 to 2012.The influencing factors of treatment adherence in patients with hypertension were analyzed.Results A total of 520 patients finished the first investigation,and 331 patients completed the second investigation.The comparison of demographic characteristics between patients who participated the second investigation or not showed no significant difference except for the education degree (x2=9.38).The incidences of symptoms and complications,systolic blood pressure and diastolic blood pressure of hypertensive patients and the laboratory indexes such as serum creatinine (SCr),total cholesterol (TC),low density lipoprotein (LDL),high density lipoprotein (HDL),fasting blood-glucose and postprandial blood sugar in the second investigation were lower than those of the first investigation,but the difference showed no statistical significance.The scores of treatment adherence,self-efficacy,social support,quality of life were higher in the second investigation than those of the first investigation.The multiple regression analysis found that treatment adherence,social support,education degree and duration of disease course were significant predictors in the first investigation entered the equation,accounting for 26％ of the total variance,among which treatment adherence explained 15％ of the variance,social support 7％,education degree 3％ and duration of disease course 1％.Conclusions The treatment adherence of hypertensive patients improved over one year follow-up.Healthcare providers should pay attention to adherence behavior at initial phase of disease development,and effective strategies targeted patients at risk are suggested to be necessary and should be designed according to the factors affecting adherence.

Objective To evaluate the application of Addenbrooke′s cognitive examination revised(ACE?R)scale to evaluate cognitive function in patients with chronic kidney disease(CKD). Methods We used ACE?R scale to evaluate the cognitive function on 205 cases of CKD patients received outpatient and inpatient treatment in renal Department of four hospitals in Nanjing. One?way ANOVA analysis ,receiver operating characteristic (ROC)curve and other statistical methods were adopted to compare differences. Results (1)There is significant difference of ACE?R scale scores among group NC?NCDs(89.18 ± 4.80),group Mild?NCDs(77.28 ± 5.80)and group Major?NCDs(55.90 ± 10.90)(F = 292.28,P < 0.01). There is significant difference between any two groups(all P<0.01).(2)(ACE?R)scale(AUC=0.944,P<0.01)showed significantly higher sensitivity than mini?mental state examination(MMSE)scale(AUC = 0.777,P < 0.01)on identifying Mild?NCDs patients with chronic kidney disease(P < 0.01);(3)The optimal cut?off value of total ACE?R score between group NC?NCDs and group Mild?NCDs was 83/84,(sensitivity 88.00%,specificity 85.90%,Youden index 0.739),the optimal cut?off value between group Mild?NCDs and group Major?NCDs was 83/84(sensitivity 89.70%,specificity 96.10%, Youden index 0.858). Conclusion ACE?R possesses a good ability in distinguishing different severity of cognitive impairment in patients with CKD. ACE?R can effectively identify early mild cognitive impairment ,which is suitable for clinical application as a tool to evaluating and studying of cognitive function in patients with CKD.

Objective To explore the value of three antibodies in the differential diagnosis of papillary thyroid carcinoma ,by de‐tecting the expression of HBME‐1 ,CK19 and CD117 in papillary thyroid cacinoma ,thyroid follicular adenoma and Hashimoto′s thy‐roiditis tissues .Methods Totally 85 cases were collected from January 2013 to December 2015 ,including papillary thyroid cacino‐ma ,thyroid follicular adenoma and Hashimoto′s thyroiditis .They were immunohistochemical stained by HBME‐1 ,CK19 and CD117 .SPSS16 .0 software was used to analyze the relationship between the staining results with different pathological changes . Results The positive rates of HBME‐1 ,CK19 and CD117 were 87 .3% ,98 .2% ,and 7 .3% ,respectively .The positive expression of them in benign and malignant groups had significant difference (P< 0 .05) and their consistency checking Kappa were 0 .582 , 0 .551 ,and 0 .874 ,respectively .Conclusion In the differential diagnosis of papillary thyroid carcinoma and benign lesions ,CD117 is better than HBM E‐1 and CK19 .It′s possible to use a combination of them in practice .

Objective To investigate the relationship between satisfaction of nursing service and nurses' personality and mental state.Methods 368 nurses ,288 patients and 234 dependents involved the investigation.Minnesota Multiphasic Personality Inventory(MMPI)was used to analyze nurses' personality.Symptom Checklist-90(SCL-90),Self-rating Depression Scale(SDS) and Self-rating Anxiety Scale(SAS)were used to analyze nurses' mental states.A self-made questionnaire on satisfaction was used to investigate the satisfaction degree of patients and dependents with nursing service.The data were analyzed by descriptive statistics and multiple regression analysis.Results The average score on satisfaction with the nurses' service was(8.29±0.98)and the average score on satisfaction with nurses' attitude was(8.19±1.21).The satisfaction with nurses' service was negatively correlated with the MMPI factors of manifest anxiety and dependency and positively with dominance of MMPI(both P<0.05).Satisfaction with nurses' attitude was negatively correlated with total score of SAS,dependency of MMPI,compulsion,anxiety,hostility and paranoid ideation of SCL-90(all P<0.05).Satisfaction with the service attitude was positively correlated with social responsibility of MMPI(P<0.05). Conclusion Satisfaction degree of patients and their dependents is related to nurses' personality and mental states.It's helpful to establish good relationship between nurses and patients and improve the clinical nursing service to perfect nurse's personality and relieve psychological stress on nurses.