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BACKGROUND The nanotechnology boom and the ability to manufacture novel nanomaterials have led to increased production and use of engineered nanoparticles (ENPs). However, the increased use of various ENPs inevitably results in their release in or the contamination of the environment, which poses significant threats to human health. In recent years,(More)
Dysregulated expression of microRNAs (miRNAs) has been shown to be closely associated with tumor development, progression, and carcinogenesis. However, their clinical implications for gastric cancer remain elusive. To investigate the hypothesis that genome-wide alternations of miRNAs differentiate gastric cancer tissues from those matched adjacent non-tumor(More)
Brain natriuretic peptide (BNP) is a major marker for evaluating cardiac function and has been widely used in clinical practice. Recent researches show that BNP is also useful for identification of sudden cardiac death in forensic pathology. This article reviews the molecular structure and biological characteristics of the BNP and its application as a(More)
OBJECTIVE To analyze craniofacial growth three-dimensionally for adolescents with normal occlusion in Beijing. METHODS One hundred and twenty-six adolescents with normal occlusion were selected according to the criteria. The sample was divided into four age groups (53 within 4 years, 30 within 7 years, 27 within 10 years and 16 within 13 years).(More)
Methamphetamine (MA) is a representative drug of amphetamine-type stimulants for central nervous system and has become one of the most dangerous drugs in the world recently. The present article reviews the pharmacological effects, distribution, metabolism, intoxication mechanism, the effects of MA on cardiovascular and central nervous systems of MA, and the(More)
  • Wei-min Gao
  • 2009
This paper aims at establishing a real-time detection and an active defense network worm attack safety system, by making a detailed analysis of worm detection and active defense technology, and researching its model. It also aims to restrain the worm spread effectively by adopting worm detection algorithm, so as to safeguard the Internet operation. A(More)
OBJECTIVE To investigate the immunohistochemical distributions and expressions of vascular endothelial growth factor (VEGF) in the model of rat myocardial ischemia. METHODS The model of myocardial ischemia was established by ligating the left anterior descending (LAD) coronary artery of rats. The changes of VEGF expression were detected by(More)
OBJECTIVES To assess the safety and tolerance of healthy volunteers to as tragalosides injection (AGI), and to determine a safe dose range for phase II clinical trial. METHODS A total of 62 healthy volunteers participated in this study, with 26 being given a single AGI of 100 mL, 200 mL, 300 mL, 400 mL, 500 mL, or 600 mL and 36 subjects being given 500(More)
OBJECTIVE To determine the effects of Ginkgo biloba extract (EGB) on major periodontal pathogens in subgingival plaque. METHODS Sixty patients with moderate to severe periodontitis were selected and randomly assigned to 3 groups: EGB group, a positive (periocline) and a negative control groups. Subgingival plaque samples were collected before treatment(More)