Neuroprotection of Sevoflurane Against Ischemia/Reperfusion-Induced Brain Injury Through Inhibiting JNK3/Caspase-3 by Enhancing Akt Signaling Pathway.

In this study, we investigated the neuroprotective effect of sevoflurane against ischemic brain injury and its underlying molecular mechanisms. Transient global brain ischemia was induced by 4-vessel occlusion in adult male Sprague-Dawley rats. The rats were pretreated with sevoflurane alone or sevoflurane combined with LY294002/wortmannin (selective inhibitor of PI3K) before ischemia.

[Study on the risk of HBV infection among spouses of HBsAg carriers].

Objective: To investigate the risk of HBV infection among the spouses of hepatitis B virus surface antigen (HBsAg) carriers and to provide a reference for developing strategies on hepatitis B control and prevention.

Methods: A case-control study including HBsAg carriers aged 20 - 45 years-old from the nationwide sero-epidemiological survey for Hepatitis B in both Guangdong and Jiangxi provinces in 2006, together with their spouses were selected as case group, while. HBsAg negative persons and their spouses were among the control groups, under the same residential areas, gender, age and age of marriage to the HBsAg carriers.

Effect of oxygen-driven nebulization at different oxygen flows in acute exacerbation of chronic obstructive pulmonary disease patients.

Objectives: The aim of this study was to study the effect of oxygen-driven nebulization (ODN) at different oxygen flows on heart rate, respiratory rate, SpO2, SaO2, PaO2, PaCO2 and pH of acute exacerbation of chronic obstructive pulmonary disease (AECOPD) patients.

Methods: According to random number table, 9 AECOPD patients were randomly divided into 3 groups, numbered A, B and C and treated with ODN. Oxygen flow of groups A, B and C was 4-5, 6-7 and 8-9 L/min, respectively.

Synthesis and microwave absorption properties of magnetite nanoparticles.

Nanoparticles of Fe3O4 with various sizes were synthesized from FeCl3 x 6H2O, FeCl2 x 4H2O and NaOH by coprecipitation process. The crystal structure, morphology, particle size and magnetic property of the products were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM) and vibrating sample magnetometer (VSM). It was found that the molar ratio of ferrous to ferric played an important role in the formation of Fe3O4 nanoparticles.

[Analysis on the proportion of reported hepatitis B cases through pilot surveillance in China during 2006].

Objective: To better understand the proportions of reported hepatitis B cases in pilot surveillance cites through investigation and laboratory testing.

Methods: To confirm the reported cases of hepatitis B by collecting blood specimen and laboratory testing on HBsAg, IgM of Anti-HBc, Anti-HAV in 18 pilot surveillance counties.

Results: Among 2858 cases of hepatitis B reported in 2006, 23.

Effect of micronutrient supplementation on the growth of preschool children in China.

Objective: To study the relationship between micronutrient supplementation and children growth.

Methods: A double-blind, placebo-controlled trial was conducted in 156 growth retarded preschool children. They were randomly assigned to five groups: supplemental control (S-control, n = 28), zinc supplementation (+Zn, 3.