Adult ; Air Pollutants, Occupational ; analysis ; poisoning ; Arsenic Poisoning ; complications ; Causality ; Female ; Humans ; Male ; Maximum Allowable Concentration ; Purpura, Thrombotic Thrombocytopenic ; epidemiology ; Young Adult

Objective To explore the efficient, cheaper and practical water treatment process in removing algae toxins. Methods The different water treatment methods were used and the optimal combination was selected. The removing efficiency for different processes was compared and validated by beaker test. The enzyme-linked immunosorbent assay (ELISA) was conducted in microcystin testing. Results Coagulating sedimentation could remove a small part of microcystin (removing efficiency was from 4.3% to 29.7% ). When oxidants were applied in pretreatment processes, such as ozone combined with coagulant, 83.3% to 91.9% microcystin could be removed. The cost-benefit analysis showed these processes only increased 0.03 to 0.14 yuan RMB cost per cubic meter of water, for example, by using ozone pretreatment and oxidation plus adsorption processes. Conclusion On the basis of general water treatment, ozone(O3), potassium permanganate(KMnO4), chlorine, dioxide(ClO2)and powdered activated carbon(PAC) are effective for removing microcystin in pretreatment processes and the processes are cheaper and practical.

Objective To evaluate the clinical diagnostic value of coronary artery calcification score(CACS)of multi-slice spiral computed tomography(MSCT)combined with carotid intima-media thickness(IMT)measure in elderly patients with coronary artery disease(CAD). Methods　CACS of MSCT,carotid IMT measure,and coronary angiography were performed in 68 patients,including 36 cases with CAD(CAD group)diagnosed by coronary angiography and 32 cases(control group)with coronary arterial stenosis(＜50% stenosis).CACS and carotid IMT were compared between two groups. Results　The coronary artery calcification score was significantly increased in CAD group compared with the control group[(349.5±86.3)vs.(74.7±25.2),t=13.670,P＜0.01],and it was increased with the severity of coronary arterial stenosis.The carotid intima-media thickness in CAD group showed significant difference with that in control group[(1.11±0.05)mm vs(0.69±0.13)mm,t=13.587,P＜0.01].In CAD group,CACS exhibited a significant positive correlation with carotid IMT(r=0.950,P＜0.01).The positive rates of CACS and carotid IMT were both 77.8% (28 cases)in CAD group and both 12.5%(4 cases)in control group,which showed significant difference between two groups(X2=28.976,P＜0.01). Conclusions　CACS of MSCT combined with carotid IMT have high sensitivity and specificity in evaluating coronary arteriaI stenosis.It can be used as a non-invasive examination to diagnose CAD in the elderly.

Objective The incidence of breast cancer in China obviously keeps rising in recent years. The optical tomo?graphy image ultrasonography system ( OPTIMUS) is gradually applied in clinic as a new imaging diagnostic technique, but few system?atic studies are reported on its application to the diagnosis of breast tumors. The aim of this study was to assess the value of OPTIMUS in differentiating benign and malignant breast masses by measuring the maximum hemoglobin concentration ( MHC) in the lesions using OPTIMUS with the help of the results of controlled pathological study. Methods This prospective study included 380 cases of breast tumor ( 210 benign and 170 malignant ) treated from April 2009 to April 2014. We measured the MHC using OPTIMUS, detected the expressions of VEGF and PECAM?1/CD31 by immunohistochemistry, calculated the optimal threshold valve of MHC in predicting breast malignancy with the ROC curve, and analyzed the correlation of the MHC value with benign and malignant lesions, lymph node metasta?sis, and the expressions of VEGF and PECAM?1/CD31. Results The mean MHC was significantly higher in the malignant than in the benign lesions ([215.33±69.31] vs [116.50±55.31] μmol/L, P<0.01). The area under the ROC curve (AUC) was 0.836 (95%CI 0.684-0.989). The optimal threshold valve in the diagnosis of malignant breast lesions was 135.00 μmol/L, with a sensitivity of 84.7% and a specificity of 89%. When the tumor was≤2 cm, the MHC was significantly higher in the patients with lymph node metas?tasis than in those without ([207.73±66.43] vs [184.36±62.13] μmol/L, P<0.05). However, the MHC was markedly lower in the benign masses with VEGF and PECAM?1/CD31 negative than in the malignant lesions with VEGF and PECAM?1/CD31 positive ([116.50±55.31] vs [205.73±72.46] μmol/L, P<0.05) and strongly positive ([244.21±63.56] μmol/L, P<0.05). Strongly posi?tive expressions of VEGF and PECAM?1/CD31 were positively correlated with MHC ( P<0.05) . Conclusion Measurement of MHC by OPTIMUS contributes to the differential diagnosis of benign and malignant breast lesions and has a potential value for preoperative assessment of the prognosis of breast cancer.

Transcranial Doppler combined with flow imaging technique can conveniently,nonin- vasively and accurately detect the blood flow in large intracranial vessels.It has practical signifi- cance in the diagnosis and treatment of cerebrovascular diseases.This article reviews the appli- cation of transcranial color-coded sonography(TCCS)in cerebrovascular diseases.

Aim To observe the expression of migration inhibitory factor (MIF) in the enteric neurons,and to explore the nervous regulation on MIF activity in experimental colitis.Methods Colitis was induced in sensitized rat and mouse by 2,4-dinitrochlorobenzene(DNCB)enema.MIF activity was measured both in the mesentery lymphocyte(by MTT)and in the enteric neurons(by immunofluorescence double staining).6-OHDA was intraperitonealy (ip) administered to mouse before DNCB treatment.Norepinephrine(NE) was added to lymphocyte culture in vitro during MIF preparation.Results The expression of MIF protein in enteric neuron was increased in DNCB-induced colitis in rat.ip 6-OHDA in colitis mouse(38～150 mg?kg-1) resulted in a further increase of MIF activity than ip vehicle in colitis mouse (P

OBJECTIVE To investigate the pathogenic causes of community-acquired pneumonia(CAP) in adult patients in Tongling.METHODS A prospective study was performed on 260 consecutive adult patients with CAP in Tongling city during last three years.Bacteria culture of sputum and serological tests in paired serum samples were detected.RESULTS Of 260 patients with etiological evaluation,128(49.2%) patients had an identifiable etiology,63(24.2%) had positive outcome from sputum cultured,atypical pathogens were detected from 75(28.8%)patients.Pathogens identified in 128 patients were:Mycoplasma pneumoniae(35.4%),Chlamydia pneumoniae(17.7%) and Streptococcus pneumoniae(13.6%).6.5% All patients had mixed infection.The resistance rate of S.pneumoniae to penicillin and erythromycin was 5 and 50%,respectively.CONCLUSIONS Atypical pathogens have important role in CAP,of which M.pneumoniae is the most common pathogen.S.pneumoniae and K.pneumoniae are the commonly encountered bacteria for CAP in Tongling.

Animals ; Anti-Inflammatory Agents ; pharmacology ; Asthma ; pathology ; physiopathology ; Budesonide ; pharmacology ; Eosinophils ; drug effects ; pathology ; Inflammation ; pathology ; physiopathology ; NF-kappa B ; metabolism ; Random Allocation ; Rats ; Rats, Sprague-Dawley ; Respiratory System ; pathology

Objective To investigate the curative effect and nursing of children with cerebral palsy treated by cerebrovascular function treatment(CVFT).Methods Children with cerebral palsy(56 cases)were divided into the therapy group and the control group.They all received rehabilitation training and medication.The therapy group were treated with CVFT based upon routine treatmenL Results The effective rate in the thempy group was 96.5% and was 77.8% in the control group.There were statistical difference between the two groups(P＜0.05).Conclusions CVFY can improve the cerebral circulation,advance the blood-supply and oxygen-supply of injured cerebral tissue,alleviate the putrescence of cerebral tissue,accelerate the functional recovery of limbs of children with cerebral palsy,shorten the course of disease and improve the quality of children's life.

Objective To analyze the application of recombinant VCA-BALF4(S) and VCA-BFRF3 proteins in serological diagnosis of nasopharyngeal carcinoma (NPC). Methods DNA extracted from the B95-8 cells was used as the templates in a polymerase chain reaction(PCR). VCA-BALF4 1008 bp (S) (aa 287-623) and VCA-BFRF3 531 bp(177 as) were generated and inserted into pPICZaA vector.The recombinant plasmids were transformed into GS115 yeast by electroporation. The yeast transformants in-duced by methanol expressed recombinant proteins. The recombinant proteins synthesized were coated to mi-croplate for detection of EBV-IgA antibody in NPC patients by ELISA. Results We have successfully se-cretly expressed the recombinant VCA-BALF4(S) and VCA-BFRF3 protein in the Pichia pastoris. The mo-lecular weight of products were approximately 37×10~3 and 18×10~3, respectively. The recombinant proteins VCA-BALF4(S) and VCA-BFRF3 in the culture supematant showed good immunoreactivity with IgA anti-bodies to EBV by Western blot. A novel ELISA was established using Pichia pastoris-expressed VCA-BALF4 (S) and VCA-BFRF3 proteins. Serum samples were collected from patients with NPC and healthy controls and using this ELISA tested. The sensitivity of VCA-BALF4(S) and VCA-BFRF3 tests in the NPC sera were 88.7% and 71.0%, whereas the specificity of normal individuals are 96.4% and 91.8% separately. Con-clusion The recombinant proteins BALF4 (S) and BFRF3 were highly secretly expressed in Pichia pastoris,the diagnostic value of two recombinant proteins in screening for NPC patients were primary evaluated and the valuable pPICZa-BALF4(S) yeast strain was obtained.