Objective To study the genetic toxicity of surfactants Tween-20?Tween-80?Span-20?BE-2. Methods To take root tip cells of Vicia faba as the subjects, treated with various concentrations of surfactants to study the effect of them on the micronucleus and chromosome aberration in root tip cells of Vicia faba. Results The frequencies of micronucleus cell induced by surfactants Tween-20?Tween-80?Span-20?BE-2 were (21.34?1.31)‰, (13.44?2.66)‰, (15.29?3.16)‰ and (7.53?2.34)‰ respectively, the frequencies of chromosome aberration induced by surfactants Tween-20?Tween-80?Span-20?BE-2 were (18.16?0.50)%, (11.05?1.18)%, (23.79?1.62)% and (22.58?0.61)%, significant differences were seen compared with the control. Conclusion The results of the present paper demonstrates that surfactants Tween-20?Tween-80?Span-20?BE-2 have the effect of mutagenic agent.

Objective To study the changes of cerebral haemodynamics in neonates with hypoxic-ischemic encephalopathy(HIE) treated with Shengmai injection compared with citicoline,and explore the clinical interventions of Shengmai injection on HIE.Methods Fifty patients with HIE were randomized into 2 groups: shengmai group treated with Shengmai injection(n=30),and citicoline group treated with citicoline(n=20).The haemodynamic parameters included peak systolic flow velocity(PSFV),end-diastolic flow velocity(EDFV),pulsation index(PI) and resistance index(RI) of anterior and middle cerebral artery were detected by color Doppler ultrasound before treatment and on 7~(th) day after treatment respectively.Control group(n=50) compared with the two groups.Results PSFV,PDFV and RI of HIE patients were significantly lower than those of control group(P

Objective: To optimize matrix composition and technology for Jiefushuang Emulsion. Methods: Orthogonal design was used, oil phase, agitation velocity, emulsifiers and emulsify temperature were selected as variable factors. Results: The optimum matrix composition and technology were: The ratio of oil to water was 2∶3, emulsifiers: 320g(oil 500mL), HLB: 15, emulsity temperature: 70?C , agitation velocity: 800 revolutions per minute, lasting for 20 minutes. Conclusion: The emulsion prepared accords with the stipulation of the appendix of Chinese pharmacopoeia (2000).

Objective To study the burden of dementia patients' caregivers and related influencing elements.Methods A survey was carried out in 152 dementia patients' caregivers after studying the prevalence of dementia in Gushan town using self-designed questionnaires.Results Among the 152 earegivers,65.13% received primary school education or below.And those taking care of disabled dementia patients,taking care of patients with higher ADL scores,attending on without professional helper,having insufficient knowledge,reluctant to give care,and spending much time on it got higher burden score.Conclusions Among caregivers of dementia patients,females are more than males;sons,daughters and spouse are the primary caregivers.Their education level is low,and the caregivers don't have enough knowledge on dementia care and can't give enough service to the senile dementia patients.

Objective To test the content of menthol in Chuanbei Pipa Syrup(CPS)by GC, and to evaluate its quality. Meth-ods The content of menthol in CPS was determined by capillary gas chromatography. DB-WAX capillary column (30 m ×0. 319 mm × 0. 50μm) was used with nitrogen as carrier gas. The precolumn pressure was 500 kPa and the column temperature was at 110 ℃ with split ratio of 25 : 1. The temperature was set at 250℃ for sample injection and for the detector. Results The content of menthol in CPS produced by Henan Pharmaceutical Co. , Ltd. , Zhengzhou Pharmaceutical Co. , Ltd. and Yunan Pharmaceutical Co. , Ltd. was 0. 154 mg/mL, 0. 203 mg/mL and 0. 109 mg/mL, respectively. Of them, the men-thol content in CPS produced by Zhengzhou Pharmaceutical Co. , Ltd. met the requirements of Pharmacopoeia(2005 edition), and that of the other two species was slightly lower. Conclusion The methods are convenient, reliable and accurate for the de-termination of menthol content in Chuanbei Pipa Syrup.

Objective To study the risk factors which lead to increase in the incidence rate of hypospadias. Methods A case-control design was used.The mothers of 210 cases and 420 controls were interviewed by telephone or face-to-face,and the questionnaires were answered.Thirty probable risk factors were investigated.Statistical analysis was performed using univariate and multivariate unconditional Logistic regression analyses for evaluation of the data. Results All boys with hypospadias in the case group were of Han nationality.Only 5 cases had positive family history.Odds ratio (OR) of the factors investigated were:pregnant age (OR,38.63),threatened abortion (OR,4.71),progestin (OR,3.64),estrogen (OR,5.1),pesticide (OR,2.39),organic solvents (OR,2.12),season of pregnancy (OR,1.86) and detergent (OR, 1.87).But OR of frequency of abortion,weeks of gestation and birth weight were less than 1.The results of other 17 investigated factors were negative. Conclusions Threatened abortion,nonfull-term fetus,low birth weight and some environmental endocrine-disturbing chemicals ( pesticide,detergent,organic solvents,progestin and estrogen) may be risk factors associated with hypospadias.These environmental endocrine-disturbing chemicals may increase the incidence rate of hypospadias.

0.05).Pain-disappearing time,anus-bubbling time,and time for gas-fluid plane disappearing were shortened in group C,and drainage volume from nutrient canal during gastrointestinal decompression obviously reduced on the second day as compared with those in groups A and B(P

Objective To establish a HPLC method for the determination of chlorogenic acid, baicaliin, forsythin and wogonin in Shuanghuanglian oral liquid. Methods The column was VP-ODS C18 (250 mm?4.6 mm, 5 ?m). The mobile phase consisted of acetonitrile-0.2% phosphoric acid with gradient elution. The flow rate was 1.0 mL/min and the detection wavelength was at 278 nm. Results The calibration curves were linear within the range of 0.44～6.60 ?g (r=0.999 1) for chlorogenic acid, 0.52～6.18 ?g (r=0.999 1) for baicaliin, 0.20～2.04 ?g (r =0.999 3) for forsythin (r =0.999 3) and 0.13～1.76 ?g (r =0.999 1) for wogonin, respectively. The average recovery of them were 97.0% (RSD=1.1%), 98.98% (RSD=1.1%), 103.55% (RSD = 1.1%) and 96.49% (RSD = 1.1%), respectively. Conclusion The method is simple, practicable, accurate and rapid. It can be applied to content determination of chlorogenic acid, baicaliin, forsythin and wogonin in Shuanghuanglian oral liquid.

Objective To investigate the effect of Xiongshang RecipeⅠ(XPI)on serum inflammatory cytokines of tumor necrosis factor (TNF)and interleukin-8(IL-8)in acute pulmonary contusion patients.Methods Thirty acute pulmonary contusion patients were equally randomized into the control group (receiving routine western medical treatment)and the treatment group (received routine western medical treatment and oral use of XPI).The treatment lasted 2 weeks.Thirty healthy physical examinees served as the contemporaneous normal controls.Secondary pulmonary contusion,recovery time and the serum levels of TNF and IL-8 were observed after pulmonary contusion.Results Serum levels of TNF and IL-8 in the treatment group after treatment were decreased(P