The influence of storage time and temperature of rat's blood and liver on cyanide concentration is reported in this paper. It was investigated when the blood and liver were kept in temperature 4℃ for 168h. There was little change in cyanide concentration. When they were kept in temperature 200170, the concentration of cyanide was increasing as the duration was prolonged. The cyatiide concentration in liver was 1. 17 times higher at 168th hour than at 4th hour.

Objective:To study the difference of upper airway form and hyoid position of the adults with different vertical facial types.Methods:Cephalograms of 120 adults with different vertical facial types were retrospectively investigated by computerized cephalometric analysis.Upper airway depths and hyoid position were measured,and differences were compared between male and female,also compared among different vertical facial type groups.Results:The sagittal depth of upper airway in male was larger than that in female,but there was no statistical difference except V-LPW.Among different vertical facial types,the sagittal depths of upper airway in high angle group was smaller than that in average angle group and low angle group.There was statistical difference in hyoid position between genders,AH-SN,AH-FH and AH-C3 in male were larger than in female(P

The purpose of this review is to help people having a right attitude toward the health effects of expo-sure to extremely low frequency (ELF) electromagnetic fields. In this paper, epidemiological studies and animal studies in vivo were reviewed in order to evaluate the health impacts of exposure to ELF electromagnetic fields. The results show that the association between ELF electromagnetic fields and the risk of tumors as well as non-tumor health effects is very weak even uncertain.

Orthopedic implants are widely applied and achieved favorable effects.However,the safety,efficacy and other ethics problems exist because the implants will stay in body for a long period of time.In addition,patients have different extent of functional impairment,and self-care ability reduction even loss when they are admitted to the hospital,so their mental condition needs great attention.This paper summarized and discussed mental and ethical problems between doctors and patients during diagnosis and treatment so as to provide self-control for future treatment.

Humans ; Infant, Newborn ; Jaundice, Neonatal ; diagnosis ; therapy

Brain Injuries ; blood ; Humans ; Hypoglycemia ; pathology ; Infant, Newborn ; Infant, Premature

[Summary] Gastric cancer is seriously dangerous to human health with constantly high incidence .Human gastric mucosa can express gastrokines that can inhibit cancer cell growth .Gastrokines is expressed abundantly in normal tissues while downregulated or absent in gastric cancer and precancerous lesion .It plays an important role in the suppression of gastric cancer proliferation combining with the other factors such as helicobacter pylori infection or trefoil factors .In this paper we made a review about the suppression of gastrokines on gastric cancer cell proliferation .

Blood-Brain Barrier ; radiation effects ; Capillary Permeability ; radiation effects ; Electromagnetic Radiation ; Humans

Objective To investigate the diagnostic value of the early slope value of enhancement in differentiating benign from malignant musculoskeletal masses.Methods Dynamic contrast-enhanced gradient-recalled acquisition in the steady state imaging(GRASS) was performed to evaluate 36 musculoskeletal masses(18 malignant,18 benign).The difference of the early slope value of enhancement was analysed and compared between benign lesions and malignant ones.Using ROC curve plotting obtained the best decisive threshold.Spearman rank correlation analysis was used to determine the relation between slope and microvessel density of tumor tissues.Results The average early slope value of enhancement was (4.33?2.70)% per second (range 0.97%～10.50% per second)for malignant lesions,and was (1.46?0.97)% per second(range 0.37%～3.86% per second)for benign ones.There was an apparent statistical significance between benign and malignant tumors(?

Objective: To investigate the dynamic expression of chemokines Mig, IP10, and ITAC after liver transplantation and to study its role in early diagnosis of acute rejection in humans. Methods: Thirty patients receiving liver transplantation (April 2005 to September 2005) were divided into acute rejection (AR) group (n=9) and non-acute rejection (NAR) group (n=18) based on the clinical symptoms and pathological examination. Three patients were excluded due to post-operation infection. The chemokines expression was determined in all patients 1 day before and day 1, 3, 5, 7 after transplantation. Sixteen patients with liver cirrhosis (cancer) and 16 normal adults were also examined as control in this study. Patients in AR group received pulse glucocorticoid treatment from the onset of AR and the expression of chemokines was determined on the day of AR diagnosis and day 3, 7 after glucocorticoid treatment. The relationship between Banff rejection activity index (RAI) and 3 chemokines expression on the day of AR onset was analyzed. Results: Chemokines expression was not significantly different between transplantation group and liver cirrhosis (cancer) group one day before transplantation; however, it was significantly higher than that of the normal control group (P<0.01). The expression of Mig, IP10 and ITAC was increased markedly in AR and NAR group day 3 after transplantation (P<0.05). AR was confirmed in 9 patients on day 11, 12 and 14 after transplantation. The serum contents of Mig, IP10 and ITAC in AR group were higher than those in NAR group at all defined time points after transplantation. There was a positive relationship between RAI and the expression of Mig, IP10 and ITAC on the day of AR onset (r=0.88, 0.94, 0.80, respectively). In AR patients, the expression of Mig, IP10 and ITAC decreased after pulse treatment with glucocorticoid (P<0.01). Conclusion: Serum level of Mig, IP10 and ITAC can serve as a sensitive, specific marker for early predication of AR in liver transplant patients.