As the people's life quality improved, more and more attention has been paid to indoor air pollution. The SBS (sick building syndrome) resulting from indoor air pollution has become an unavoidable problem in the modern life. Indoor air pollution has been listed as one of the five most dangerous environmental factors to human health. The present paper mainly analysed the prominent indoor air pollutants such as formaldehyde, radon, ammonia, nitrogen oxides and VOCs, which affect indoor air quality, and also pointed out the research direction and the high lights in this field in future.

Objective To observe the effects of total flavones from Herba Epimedii(TFHE)on the experimental myocardial ischemia and hemorheology of animals.Methods The model of acute myocardial ischemia of rats was established with pituitrin and the model of acute blood stasis was established with high-molecular dextran.The effects of TFHE on the electrocardiogram J-point of acute myocardial ischemia model and the hemorheology of acute blood stasis model were observed.Besides these,the effects of TFHE on coaglutaion time in mice were observed.Results As compared with the model groups,high-,middle-,and low-dosage groups(24,12,and 6 mg/kg)of TFHE could obviously improve the abnormal electrocardiogram J-point of acute myocardial ischemia model,also could effectively prevent the ascending of whole blood viscosity(high-,middle-,and low-shear rate),packed erythrocyte volume,and fibrinogen.High-and low-dosage groups(34 and 17 mg/kg)of TFHE could obviously lengthen the coaglutaion time in mice.Conclusion The results suggest that TFHE possesses protective effects on ischemic myocardium,which may better hemorheology,decrease the whole blood viscosity,prevent blood from coagulating and improve the circulatation of coronary artery.

Objective To estimate the effects of nasal continuous positive airway pressure(nCPAP)therapy on patients with OSAS in prethrombotic state.Methods One group of 30 patients with OSAS who were diagnosed from Sep.2003 to Sep.2005,one healthy control group of 30 cases.Blood samples were taken from people in the supine position in the morning immediately after overnight polysomnography and nCPAP theraphy(only in OSAS group).Results Compared with the normal controls,the level of the molecular marker GMP-140 increased in the blood of patients with OSAS,the levels of APTT,AT-Ⅲ decreased,and the level of t-PA decreased as well.The level of PAI increased.Compared with the healthy controls,datum indicated statistical differences between the two groups.Datum of the patients with OSAS were improved after nCPAP therapy:AHI decreased from 63.21?23.23 to 0.56?0.84;the nocturnal lowest of SaO_2 increased from 0.68?0.07 to 0.90?0.02;GMP-140 and PAI decreased to (17.07?7.97)% and (95.83?5.91)% respectively;AT-Ⅲ and t-PA increased to(95.20?6.67)% and (5.45?1.61)?g respectively.Conclusion Prethrombotic state is present in patients with OSAS.nCPAP therapy can decrease OSAS-related thrombotic complications.

Objective To investigate the applicative value of transvaginal color doppler sonography com-bined with CA125 which is tumor detection maker in the the diagnosis of ovarian of benign and malignant tumor . Methods We analyzed sonographic features ,blood flow of transvaginal color doppler sonography and serum CA 125 level in 102 ovarian tumor cases and compared with pathological findings and study the sensitivity ,specificity and accuracy of diagnosis.Results The sensitivity,specificity and accuracy of the diagnosis of ovarian of benign and malignant tumor detected by transvaginal color doppler sonography were respectively 80.6%,95.8%and 91.2%. The sensitivity ,specificity and accuracy of the diagnosis of ovarian of benign and malignant tumor detected by tumor makers CA125 were 87.1%,87.3%and 87.3%respectively.The sensitivity,specificity and accuracy of the diag-nosis of ovarian of benign and malignant detected by transvaginal color doppler sonography combined with tumor makers CA125 were 93.5%,97.2%and 96.1%respectively.The sensitivity,specificity and accuracy of results de-tected by the combination of both methods were higher than the single one .Conclusion The combination among the sonographic features ,blood flow of transvaginal color doppler sonography and serum tumor markers CA 125 im-proves the efficiency of ovarian benign and malignant tumor diagnosis ,and therefore shows the great clinical value .

Objective To optimize the technological parameters of separation and purification of vinblastine and vincristine from Gatharanthus Roseus. Methods Different types of macroporous adsorption resin were used to separate and purify vinblastine and vincristine from Gatharanthus Roseus, eluting with different concentration of alcohol aqueous and velocities, combined with silica gel column chromatography, the process was monitored by HPLC. Results AB-8 type resin showed better comprehensive adsorption property, 90% alcohol aqueous and 1.5 BV/h velocities were used to elute. Ratio adsorption quantity was achieved to 74.5 mg/g. Through silica gel column chromatography, the purity of vincristine was achieved to 97.26% and the purity of vinblastine was achieved to 94.18%. Conclusions The process is simple and reasonable with good reproducibility. It is effective to enrich highly purified vinblastine and vincristine.

Objective To evaluate the morbidity,clinical manifestation,risk factors and prognosis of diffuse large B-cell lymphoma(DLBCL)patients with central nerve system(CNS)infiltration.Methods Clinical data of DLBCL patients with CNS infiltration between Jan 2005 and Jan 2012 were reviewed.Results Among 168 DLBCL patients,11 patients(6.5 ％)had CNS infiltration.ECOG scores ≥ 2,elevated lactate dehydrogenase(LDH)＞ 2 times of normal range and the involvement of ≥ 2 extranodal sites were clinical risk factors associated with CNS inflitration(x2 =11.6,4.61,3.92,all P ＜ 0.005).Median survival time after CNS infiltration was 4.5 months.Conclusion DLBCL patients with CNS infiltration are not rare,the patients demonstrate significantly bad prognosis.

Objective To explore the clinical significance of micro-metastasis ( mM ) in the nipple-areola complex (NAC) and the regional skin of breast cancer. Methods Samples from the skin projection of the lump and the midline-transection of the nipple-areola complex were collected from 60 breast cancer patients for both routine pathological examination ( RP) and cytokeratin-19 (CK-19) monoclonal antibody immuneohistochemical examination (IHC). Results NAC invasion was identified by RP in 3 cases (5. 0% ) , and by IHC in 7 cases (11.7%) ( x2 = 2. 25, P

Objectives To investigate the role of laminin (LM) and fibronectin (FN) in the growth cycle of human hair follicles. Methods The expression of LM and FN was detected by streptavidin-peroxidase (SP) staining. Results In the anagen phase, LM was expressed in dermal papilla, basement membrane and outer root sheath; FN was expressed in dermal papilla, basement membrane and connective tissue sheath. In the catagen phase, LM showed a lower expression in the dermal papilla and a linear expression in the basement membrane; the expression of FN in the dermal papilla and basement membrane was less intense than that in anagen phase, but was still positive. In the telogen phase, LM was only expressed in the basement membrane while FN was negative. Conclusion The difference between LM and FN expression in hair growth cycle indicates that LM and FN may play important roles in the regulation of human hair follicle growth cycl.

Objective To investigate the MRI features of children's joint tuberculosis of the appendicular skeleton, and to evaluate the diagnostic value of MR imaging. Methods Sixteen consecutive patients confirmed clinically and pathologically were examined with SE-T1WI, FSE-T2WI, FSE-PDWI and PD-SPIR in Philips Achieva 3.0T superconduct MR scanner. Axial, sagital and coronal images were obtained. Articular structure was all analyzed based on the affected parts and features of MRI. Results Hip joint and knee joint were most likely to suffer (each 25.00%). Metaphysis was affected in 13 patients with long signal intensity on T1WI and long signal intensity on T2WI. The changes of articular cartilage presented as abnormality of signal intensity in 6 patients with focal high signal intensity on T2WI. Thirteen patients presented as joint effusion. Synovial thickening in 4 patients showed moderate homogeneous signal on T1WI and slightly lower signal on T2WI. Articular soft tissue was involved in 16 patients, including the formation of cold abscess in 2 and cellulitis in 1 patient, showing long signal intensity on T1WI and long signal intensity on T2WI. Conclusion MRI has the advantage of being able to detect early abnormalities of bone marrow, cartilage damage and to evaluate joint effusion, synovial thickening and soft tissue lesions.