Objective To introduce a rapid spot test method for nitrite in water to meet the urgent need of nitrite monitoring during accidental pollution. Methods According to the drinking water legislation in Europe (threshold: 0.10 mg/L NO2-), a rapid spot test method for nitrite in water was established by using an optimized composition of reagent mixture and a binary positive/negative response, conducted as follows: a tablet of a mixture of solid reagents containing sulfanilamide, N-(1-naphthyl) ethylene diamine dihydrochloride and sodium chloride was put on a spot test plate of Teflon mould, then, a drop of 30%(V/V) HCl and a drop of water sample were added on the reagent material. Results Under these conditions, all the test samples containing ≥0.10 mg/L NO2- can produce a positive response of the characteristic red-purple color, whereas, the samples will produce a negative response when the level of NO2- was below the limit. The results of real water samples determined with this new method were confirmed by using the photometric method based on the use of the same reagents. Conclusion The method is simple, rapid , accurate, and suitable for field monitoring of nitrite in water.

Animals ; Humans ; Reproducibility of Results ; Selenium ; analysis ; Spectrometry, Fluorescence ; Spectrophotometry, Atomic

Objective To explore the current education situation and demand of network teaching for health service management course so as to provide recommendations for improvement.Methods Questionnaire survey was conducted among 232 undergraduates from majors of preventive medicine,stomatology and clinical medicine.Totally 204 valid questionnaires were organized and recorded into database and SPSS 12.0 was employed to make descriptive statistical analysis of the data.Statistical results were used to show the current education situation and demand of network teaching for health service management course.Results 52.94％ (108/204) of the students interviewed were dissatisfied with current teaching mode.87.25％ (178/204) of the students believed the course website would be beneficial for learning.For the construction of the course website,health insurance system,health policy analysis and health organization system were considered both important and difficult.59.31％ (121/204) of the students showed that the course website should be updated at least once a week.Conclusions It is necessary to explore the network teaching mode for health service management course.Teaching reform depending on different professions and curriculums should be carried out for network teaching.

Objective:To evaluate the effectiveness and treatment feature of maxillary incisor extraction in orthodontics.Methods:9 patients underwent orthodontic treatment with maxillary incisor extraction,5 female and 4 male,with an average age of 1 7.2 years at the start,were included.5 patients were treated by extraction of both upper incisors and lower first premolars,4 by extraction of the abnor-mal incisor and the first premolars in the other three quadrants.Cephalometric and Bolton index analysis were carried out.Results:Sat-isfactory treatment results were observed in all patients.Before treatment the predicted Bolton index of the patients of the anterior ratio and the overall ratio were 80.1 4% and 91 .3%,after orthodontic treatment 78.68% and 90.28%,respectively.Cephalometric analysis showed that U1 -NA(mm),U1 -NA,L1 -NB(mm),L1 -NB,U1 -SN,L1 -MP,UL-E and LL-E were decreased(P <0.05).Conclu-sion:Individual treatment plan based on Bolton index analysis and the corresponding techniques and methods,the patients with abnor-mal upper incisors can be effectively treated with the extraction of maxillary incisors.

Objective:To explore the influence of diabetic self-management education on blood glucose control and inflammatory factor levels in inpatients with diabetes mellitus (DM).Methods:A total of 168 DM patients,who hospitalized in department of endocrinology in 163rd hospital of Chinese PLA from Jun 2012 to Jun 2013,were ran-domly divided into self-management education group (self-management group,n=88)and routine health education group (routine management group,n = 80).Self-management group received self-management education course namely AADE7TM ,provided by full-time DM health education staff,including healthy eating,being active,monito-ring,taking medication,problem solving,healthy coping and reducing risks,while routine management group re-ceived routine DM health education.Blood glucose control,changes of levels of myeloperoxidase (MPO),tumor necrosis factor-α(TNF-α)and intercellular adhesion molecule-1 (ICAM-1)were examined before and after interven-tion.Results:Compared with before intervention,there were significant reductions in levels of fasting blood glucose (FBG),postprandial blood glucose (PBG)and glycosylated hemoglobin (HbA1c)in both groups after interventions (P <0.05 all).Compared with routine management group,there were significant reductions in levels of FBG [(7.1 ±1.3)mmol/L vs.(6.0±1.1)mmol/L],PBG [(9.5±1.6)mmol/L vs.(8.8±1.4)mmol/L]and HbA1c [(7.9 ±1.5)% vs.(7.2±1.1)%]in self-management group,P <0.05 all.Before discharge,there were significant de-crease in inflammatory factor levels in both groups compared with before intervention (P < 0.05 all).Compared with routine management group after intervention,there were significant decrease in inflammatory factor levels [TNF-α:(201.0±57.3)pg/ml vs.(100.7±49.2)pg/ml,ICAM-1:(25.2±3.6)ng/ml vs.(18.2±2.9)ng/ml] in self-management group,P < 0.05 both.Conclusion:Self-management education provided by full-time diabetic health education staff is superior to routine diabetic health education method in controlling blood glucose and decrea-sing inflammatory factor levels,indicating it can improveβcell function and relieve insulin resistance.

To introduce composition,the testing principle of the urine analyzer,To reduce the failure rate, extend the service life of the instrument and improve the accuracy of diagnosis. Make the maintenance system ,according to the system of equipment maintenance maintain the urine analyzer daily and monthly. The maintenance plays an important role in reducing the failure rate, extending equipment life and improving the accuracy of diagnosis.

Objective To investigate the relationship between omentin-1 and Coronary heart disease in different glucose tolerance populations. Methods Serum omentin-1 levels were determined by ELISA in 143 subjects with normal glucose tolerance,impaired glucose tolerance with CHD, type 2 diabetes mellitus with CHD. The relationships between omentin-1 and waist- to-hip ratio, body mass index (BMI), blood Glucose, serum insulin,HOMA-IR and blood fat were also explored.Coronary artery stenosis was screnned by coronary interventional angiography and assessed by Gensini scoring system. Results Serum omentin-1 levels were all lower in T2DM and IGT subjects than those in control subjects (P<0.01). Serum omentin-1 was correlated positively with high density lipoprotein-cholesterol (P < 0.01),and inversely with body mass index,waist-hip ratio,diastolic blood pressure, triglyceride,fasting blood glucose,fasting insulin,HbA1c,[w1]and insulin resistance(HOMA-IR)(P<0.05 or P <0.01).Omentin-1 levels was negative related with Gensini coronary artery score (P < 0.01). Multiple linear regression showed body mass index,HOMA-IR,diastolic blood pressure were independently associated with omentin-1 levels (P<0.05 or P<0.01). Conclusions Serum omentin-1 levels, associated with fat,insulin sensitivity, are likely to play an important role in insulin resistance and the development of CHD in populations with different glucose tolerance.

The structure, pharmaceutical functions and extraction and isolation methods of chlorgenic acid were reviewed to provide references for the research of chlorogenic acids and the production of the medicines chlorogenic acids.

OBJECTIVE:To compare the efficacy and safety of Sodium hyaluronate versus Carbomer,Polyethylene glycol,To-bramycin and Dexamethasone in the treatment of glaucoma with cataract. METHODS:464 glaucoma patients with cataract were randomly divided into group A(116 cases),group B(116 cases),group C(116 cases)and group D(116 cases). All patients re-ceived intraocular lens implantation;1-1.5 cm to Tramycin and Dexamethasone eye ointment,3-5 times a day. Based on it,group A received 1-2 Sodium hyaluronate eye drops,4 times a day. Group B received 1 Carbomer eye drop,3-5 times a day. Group C re-ceived 1-2 Polyethylene glycol eye drops,3-5 times a day. Group D received Tobramycin and dexamethasone eye ointment,1-1.5 cm every times,1-3 times a day. They treated for 1 month. Clinical efficacy,recovery of visual acuity and ocular surface functions [dry eye symptom score,tear film break-up time(BUT),corneal fluorescein staining(CFS),basal tear secretion(SIt),ocular sur-face disease index(OSDI)] and the incidence of adverse reactions in all groups were observed. RESULTS:The total effective rate sorted,patients with visual acuity higher than 0.6,BUT,OSDI by group A>group B>group C>group D,with significant differenc-es (P<0.05). patients with visual acuity in 0.3-0.6,0.1-0.3 and lower than 0.1,drycye symptom score,CFS,SIt in group A was less than group B,which was less than group C and group D,with significant differences(P<0.05). The incidence of adverse re-actions in group A was lower than group B,C,D,with significant differences(P<0.05),but there was no significant difference in group B,C,D(P>0.05). CONCLUSIONS:Sodium hyaluronate shows superior efficacy and safety to Carbomer,Polyethylene glycol,Tobramycin and Dexamethasone in the treatment of glaucoma with cataract,it can significantly improve visual acuity and ocular surface function.

The balanced scorecard, a new performance management tool used by enterprises, transcends the traditional assessment method of measuring an enterprise only from the financial perspective and renders it possible to view an enterprise simultaneously from four perspectives: financial, customer, internal process, and learning and growth. The balanced scorecard, which can also be used in the medical and health field, enables the hospital to continuously improve performance so as to realize its vision and strategic goals. The paper gives an account of the concept, development steps and principles of the balanced scorecard and its application in hospital strategic management, thus identifying a new channel for hospital development.