Acquired Immunodeficiency Syndrome ; prevention & control ; Humans ; Occupational Exposure ; prevention & control

Comet Assay ; DNA Damage ; DNA Repair ; In Situ Hybridization, Fluorescence ; methods

Cartilage ; surgery ; Humans ; Tympanoplasty

Objective To observe the expression of various antibodies on resection specimens with Hirschsprung's disease(HD), and to find out a special antibody to help the diagnosis of HD. Methods Neuron specific enolase(NSE),S100, Cathepsin D (CAD), Peripherin, protein gene prosuct 9. 5(PGP9. 5) were used as the first antibody to do the EnVision immunohistochemical staining on each end of the resection specimens with HD. Results PGP9.5, NSE, Peripherin were positive both in neuroganglion cells and neuro-plexus in the submucosa and intermuscule; S100 was positive in neutoplexus but negative in neuroganglion cells in the submucosa and intermuscule; CAD was positive in neuroganglion but negative in neuroplexus cells in the submucosa and intermuscule. Conclusion Compared with the other antibodies,CAD is a special antibody which may help the diagnosis of HD; CAD staining results is easy to judge, and it is more faster and economic.

Objective To understand the acute effect of ambient air CO pollution on daily mortality of cerebrocardiovascular diseases among highly and long-term exposed residents of 65 years and over in Taiyuan,Shanxi,China.Methods The relationship of CO concentration and daily mortality of cerebrocardiovascular diseases among residents over 65 years old in Taiyuan(2003-2004) was analyzed by case-crossover design and conditional Logistic regression in SAS 9.0 Results The 48 h accumulated CO concentration had the most significant effect.As increment of CO average was 100 ?g/m~3,the corresponding OR of the effect on the total deaths of the cerebrocardiovascular diseases,the cardiac disease,the ischemic heart disease,myocardial infarction,cardiac failure,arrhythmia and stroke was 1.006,1.010,1.007,1.005,1.005,1.006 and 1.012 respectively.Under different air pollution conditions,the pollutant presented different effects on deaths of eerebrocardiovascular diseases.Conclusion The current CO pollution has caused a certain adverse effect on the cerebrocardiovascular mortality among residents of 65 years and over in Taiyuan city.More stringent measures should be taken to control the air pollution and decrease CO level,thus reduce the mortality of cerebrocardiovascular diseases.

Adenocarcinoma ; complications ; pathology ; Aged ; Humans ; Male ; Neoplasms, Multiple Primary ; complications ; pathology ; physiopathology

Adult ; Aged ; Anthracosis ; complications ; Humans ; Male ; Middle Aged ; Pulmonary Emphysema ; diagnosis ; etiology ; Respiratory Function Tests ; Tomography, X-Ray Computed

Aged ; Humans ; Male ; Nasal Septum ; pathology ; Nose Neoplasms ; Odontoma

AIM: Using functional magnetic resonance imaging, to inspect v sual cortex physical reactions stimulated by rotating grating, and to its components. METHODS: On 1.5T MR scanner, GRE-EPI imaging sequence was carried on 9 h discover ealthy volunteers, the visual cortex response data were processed after delinearation by SPM99.RESULTS: Different components of rotating grating excited different areas of the visual cortex. Dramatic response in the central part of the occipital lobe, which was related to white light stimuli, located at primary visual cortex. Response area in bilateral Broadaman 19 areas was related to vision-motion function. And weak response area in the central part of the occipital lobe was related to shape perception.CONCLUSION: Rotating grating conclude plenty of visual information, and it excites different areas of the optic center as a stimuli. fMRI is a valuable equipment to study the physiology of visual cortex.

Based on the counting results from nutrition agar in our study, and compared with another two kinds of coliform bacteria detective plates for dinner and drinking sets which were provided by two manufactures and inspected by China National Health Bureau , we accomplished the detectability test of the Huankai coliform bacteria plates. In our study, 3kinds of cell density were adopted: 10cells/mL, 50cells/mL and 100cells/mL . The results shew that the detectability of Huankai plates basically conformed with that of nutrition agar , and was no evident difference from that of another two kinds of plates. The conclusions were that Huankai plates can completely be used in the inspection and test for conform bacteria.