The objective of this study is to obtain a comprehensive understand the view of inservice education master degree program students on their supervisors' performance in teaching and research in Peking University Health Science Centre.on their.This study was conducted by using the questionnaire-based survey which includes questions regarding research quality,research conditions and scientific spirit etc.We concluded that Peking University Health Science Center,by formulating practical regulations and adopting relevant policies,managed to keep the capacity building for the supervisors and will further improve quality of the in-service graduate program.

Objective To investigate the clinical effects and operation key-points of interphalangeal joint replacement arthroplasty for the treatment of traumatic arthritis.Methods From March 2005 to December 2010,5 patients with post-traumatic arthritis undergoing interphalangeal joint replacement arthroplasty in our hospital were selected.The operation indications,treatment of intraoperative flexor and extensor tendon lesion and postoperative rehabilitation were evaluated.Results Operative incisions of 5 cases were primary healing in class I grade A.Stitches were taken out 2 weeks after the operation.Patients were followed up for 1.5 years.The range of interphalangeal joint motion was 0 to 90 (extension/flexion) with no pain at end of follow-up.The hand function was excellent in 3 cases and good in 2 cases according to total active motion (TAM)hand function evaluation.Conclusions Interphalangeal joint replacement arthroplasty is an effective treatment for traumatic arthritis.Preoperative indications evaluation and postoperative rehabilitation should be focused on the treatment.

Objective To investigate the influence of ozagrel sodium (OS) on cerebral ischemic tolerance in rat induced by focal ischemic preconditioning (IPC) and on expression of nuclear factor ?B (NF ?B) in rats Methods Fourty five rats were divided into 3 groups The animals were subjected to 2 h middle cerebral artery occlusion (MCAO) 3 days after 10 min IPC, IPC+OS and sham surgery (SS) respectively. After 22 h reperfusion, the rats were killed and the infarct volume, brain water content and NF ?B immunoreactivity were compared among 3 groups. Results Compared with IPC+ MCAO group, there were a furtber decrements in farct volume (93 75?13 40 vs 130 92?14 59, P

Actual research on brain-computer interface system is analyzed.The basic structure and operational principle of this system are set forth.Methods of signal collection,feature extraction and selection classification of system signals are concluded.Latest analysis methods and existing defects of feature extraction and selection classification are introduced in detail.Problems existing in brain-computer interface system are also analyzed.Great advantages on feature extraction of wavelet transform & wavelet packet decomposition and wide prospects on selection classification of neural network are pointed out at last.

Estrogen receptor(ER),an important transcription factor belonging to the nuclear receptor superfamily,comprises two subtypes ER?and ER?.Estrogen receptor is expressed in prostate cancer and ladder cancer and has a compacted relationship with them.In this review,we summarized the structure,distri- bution,function of different estrogen receptor subtypes and progress in study on relationship between different estrogen receptor subtypes and prostate or bladder cancer.

Objective To longitudinally analyze the unit costs and technical efficiency of the model of male circumcision in the different kinds of persons .Methods Unit costs were calculated by the person and period using longitudinal data from 3 kinds of persons ,and then technical efficiency and Malmquist indices were measured with an approach to data envelopment analysis . Results Theunit costs for changing the willingness to accept surgery changed dramatically ,decreasing from 7 166 .67 yuan(mean) to 737 .31 yuan ,while the costs for changing the ratio of the surgery increased from 666 .64 yuan (mean) to 744 .58 yuan ,and its technical efficiency was averaging between 0 .95-0 .96 .Conclusion The time series of unit costs for changing the willingness to ac-cept surgery dramatically dropped ,while changing the ratio of the surgery formed a U-shape curve with an inflection point before which unit costs dramatically dropped and another inflection point beyond which unit costs went up .These findings can inform pro-gram managers of the changing unit costs when extending or expanding the program .

Aging ; Humans ; Presbycusis ; genetics

Comet Assay

To realize the real-time transmission of temperature data and display using the platform of intelligent mobile phone and bluetooth. Application of Arduino Uno R3 in temperature data acquisition of digital temperature sensor DS18B20 acquisition, through the HC-05 bluetooth transmits the data to the intelligent smart phone Android system, realizes transmission of temperature data. Using Java language to write applications program under Android development environment, can achieve real-time temperature data display, storage and drawing temperature fluctuations drawn graphics. Temperature sensor is experimentally tested to meet the body temperature measurement precision and accuracy. This paper can provide a reference for other smart phone mobile medical product development.
Body Temperature ; Cell Phone ; Humans ; Programming Languages ; Software ; Wireless Technology

Objective To observe the therapeutic effects of stellate ganglion block (SGB) with oxycodone and acetaminophen tablets on the treatment of migraine. Methods 100 patients with migraine were divided into two groups randomly. They received SGB with oxycodone and acetaminophen tablets (experimental group) or only SGB (control group) respectively. The parameters included pain intensity before and 1 d,3 d,1 w,1 m and 3 m after the treatment, and pain relief rate of each patient. The adverse effects were also evaluated. Results The pain intensity described as numeric rating score (NRS) decreased in the two groups at each time point. In the experimental group, the value of NRS was significantly less than that in the control group at 3d,1m and 3m after the treatment. The effec-tive rate ha the experimental group and the control group were 88% and 68%. Conclusion SGB with oxycodone and acetaminophen tablets is more effective for migraine and deserves widely used in patients.