In view of the fact that the Pharmaceutical Patent Law will be put into effect in China,the authors suggest that the development of new drugs in China should be relied mainly rather on creating than on copying. However,some of the effective drugs should be still modelled on foreign products. We should pay great attention to the research work on pharmaceutical preparations and the development of Chinese patent medicine, intermediates of preparation and reagents.

Objective:To develop a new nucleic amplication method for detection of Chlamydia trachomatis DNA by gap ligase chain reaction(G-LCR).Methods:A G-LCR DNA amplification assay that targeted the outer major membrane protein gene(omp1)of CT was established to detect CT infection.The sensitivity and specificity of a newly developed G-LCR test was examined by the use of highly purified elementary bodies (EBs).DNA fragments of different species and from other bacteria1 were detected with G-LCR and routine polymerase chain reaction (PCR).Results:Using G-LCR,DNA fragments of 54bp were amplified from five different species.The sensitivity could be improved to detect out 2 chlamydial elementary bodies.G-LCR detected ten-fold EBs than PCR.No signal was observed when C.pneumoniae and other bacteria were used as templates.Conclusion:G-LCR is sensitive,rapid and specific for detection of Chlamydia trachomatis.

It is generally agreed that motivation is one of the most important factors influencing the students success or failure in learning a language. Motivation, according to Harmer, is an internal drive that encourages the learner to pursue a course of action(1983: 3). Expressed more colloquially, when students perceive an attractive goal that they wish to achieve, they may do whatever is necessary to reach it. Then they are strongly motivated.This article aims at introducing the classification teaching method into English teaching. Studies suggest that classification teaching method has positive effects on motivation.

Fatal Outcome ; Humans ; Infant, Newborn ; Kidney ; abnormalities ; Male ; Pneumothorax ; etiology ; Respiratory Distress Syndrome, Newborn ; etiology ; Syndrome

Objective:To explore the relations between freshmen's self-identity status,personality characteristics and mental health status.Methods:188 new students were asked to complete the questionnaires of mental health scale and personality scale from the China college students mental health evaluation system,and eollnge students self- identity status scale.Results:①the most status of identity is achievement(43.1%),then the identity diffusion (30.9%);②male students in compare with female,were more likely in achievement status(60.7?13.8/53.9?11.4,P0.406);③the achieve- ment status had obvious negative correlation with depression,dependency(r=-0.17～-0.24),the diffusion status had obvious positive correlation with depression,social-withdrawal,and impulsion(r=0.15～0.34);④active,ac- commodating,tough-minded personality characteristics had obviously negative correlation with mental symptoms(r= -0.16～-0.56).Conclusions:encourage college students to form the achievement ego-identity status,to be ac- tive,accommodating and tough-minded,will be helpful for their psychological health.

Objective To investigate the efficiency of liver cancer with portal vein tumor thrombus (MPVTT),hepatic artery portal vein fistula (APVS) in patients with hepatic artery chemoembolization (TACE) combined with the clinical value of portal vein stent during treatment with APVS embolization.Methods From January 2012 to October 2014,59 cases of HCC patients who accepted the treatment of TACE + stent in portal vein embolization of + APVS surgery,companied with MPVTT and APVS were ret rospectively analyzed.The liver function,portal vein angiography and pressure at different time points were measured and compared before and after treatment,and follow-up and prognosis were recorded.Results After treatment with albumin,platelets (PLT) levels were higher than those before treatment (P ＜ 0.05),with PT values lower than before treatment (P ＜ 0.05).No statistical significance was found for aspartate aminotransferase (AST),alanine aminotransferase (ALT) before and after treatment (P ＞ 0.05).Stent implantation before and after stent implantation,the portal venous pressure of APVS embolization had signif icant difference (P ＜ 0.05).Portal venous pressure level of stent implantation was lower than before stent implantation (P ＜ 0.05).The portal venous pressure level of APVS embolization was lower than the stent implantation before and after stent implantation (P ＜ 0.05).At the 12 months after treatment,28 cases survived (47.46％);24 months after treatment,11 cases survived (18.64％) of the group;a total of 3 patients was lost to follow-up,the median survival time of the patients 24 months 16.5 months.Conclusions Liver cancer with MPVTT and APVS in the TACE combined with portal vein stent in the treatment process using APVS embolization can further improve the portal vein blood flow,and reduce the pressure of Dortal vein.

Child, Preschool ; Coronary Aneurysm ; diagnosis ; etiology ; prevention & control ; Drug Therapy, Combination ; Early Diagnosis ; Glucocorticoids ; administration & dosage ; therapeutic use ; Humans ; Immunoglobulins, Intravenous ; administration & dosage ; therapeutic use ; Immunologic Factors ; administration & dosage ; therapeutic use ; Infant ; Mucocutaneous Lymph Node Syndrome ; complications ; diagnosis ; drug therapy ; Treatment Outcome

BACKGROUND: Gene microarray data has small sample size and large numbers of variates.Traditional statistical method is not effective.Genetic algorithm(GA)and support vector machine(SVM)are machine learning algorithms developed rapidly in recent years,which can decrease the dimension of features.OBJECTIVE: To combine GA and SVM to classify samples and compare with other two processes in which all genes and difference expression genes are taken as classifiers,respectively.METHODS: We applied golub data set provided by Bioconductor,which included gene expression data of leukaemia samples and normal samples.All genes were used to classify samples with SVM.SAM software was used to extract difference expression genes and estimate False Discovery Rate.Finally,76 difference expression genes were used as feature gene set to classify samples with SVM and GA-SVM respectively.Three classification effects were compared.Additionally,the distribution and function about feature genes in KEGG pathways were also discussed.RESULTS AND CONCLUSION: The accuracy of classification of SVM was improved by decreasing dimension with genetic algorithm.In particular,this process eliminated a great deal of redundant genes and noises,which improves the classification performance.Results show that GA-SVM algorithm is effective in classifying samples.In addition,the pathway analysis shows that signal transmission and amino acid metabolism are two major functions of feature genes.

Objective To study the genetic polymorphism of Nanjiang yellow goat and to investigate the feasibility of this research by AFLP. Methods The genomic DNAs of 15 goats were analyzed with RAPD and AFLP molecule marking techniques. The effects of the two methods were compared. Results The rates of the polymorphic loci and the genetic similar index of population by RAPD marker were 26.98% and 0.942 respectively, and that by 31.4% AFLP and 0.874 respectively. Conclusion AFLP and RAPD technique are effective methods in genetic polymorphism monitoring of Nanjiang yellow goats, and supply useful parameter with appraise genetic stability.

Objective To explore the influence of prenatal diagnosis,active follow up and immediate surgery intervention on the prognosis of congenital hydronephrosis in children.Methods The clinical data in 85 cases were analyzed retrospectively.They were divided into prenatal diagnosed group and postnatal diagnosed group.Prognostic parameters such as preoperative statuse,pathology during surgery,operation process,status before discharging and complications were collected and statistically analyzed.Results The numbers of grade 4 hydronephrosis,secondary renal calculus,opposite kidney hydronephrosis,preoperative infectioin,perinephric adhesion and postoperative complication in prenatal diagnosed group were significantly lower than those in postnatal diagnosed group(Pa0.05).Conclusions 1.Ultrasonagraphy examination and follow-up are indispensable both before and after delivery which will help doctors to diagnose the disease at early stage.2.Surgical operation on congenital hydronephrosis at early stage is reliable and will achieve the same effect with the children undergo surgical operation at older age.3.Immediate surgical operation is of great clinical significance on preventing serious complication and irreversible kidney damage.