In order to improve the driving ability of the explosion wave simulation equipment, reduce the erosion effect of condensed explosives on the explosion wave simulation equipment, improve the safety of the test process, and make better use of the meteorological detonation driving method, it is necessary to optimize the source of the shock wave load in the driving section. Based on the finite volume method of FLACS, a methane detonation driving model corresponding to the test is established to explore the feasibility of using methane as an explosion source to test the structure against explosion shock wave. A methane detonation drive test was carried out to verify the accuracy of the numerical model.
View Article and Find Full Text PDFJ Control Release
October 2023
Allergic rhinitis (AR) is a chronic inflammatory reaction by immunoglobulin E (IgE) mediators after individual contact with allergens. It affects 10-40% of the world's population and reduces the quality of life. Long-term symptoms of rhinitis can cause inflammation to spread and trigger asthma, which can harm human health.
View Article and Find Full Text PDFA binding-induced fibrillogenesis (BIF) peptide mimics the fibrillogenesis of fibronectin, forming fibrous networks for disease theranostics. However, the mechanism of fast fibrillogenesis of the BIF peptide remains unclear. In this study, the fibrillogenesis processes of the BIF peptide in the absence and presence of receptors, Ca, are carefully studied.
View Article and Find Full Text PDFThe overexpression of growth factors and receptors on neovascular endothelial cells (ECs) and their binding may promote the abnormal growth of new blood vessels, leading to corneal neovascularization (CNV). Normally, monoclonal antibodies may bind and block only one growth factor or receptor, such as bevacizumab binding and blocking vascular endothelial growth factor (VEGF). Herein, we develop a monotargeting peptidic network antibody (pepnetibody) that blocks multiple receptors on the membrane of ECs through forming a fibrous network and ultimately achieves high-efficient treatment of CNV.
View Article and Find Full Text PDFBackground: Breast cancer is the most common cancer worldwide. Anthracyclines, alone or in combination with other chemotherapeutic agents, are the most effective chemotherapy agents against breast cancer. However, the dose-dependent cardiotoxicity of anthracyclines is a serious drawback in clinical treatment.
View Article and Find Full Text PDFEthnopharmacological Significance: Pei Yuan Tong Nao (PYTN) capsules have been used in traditional Chinese medicine (TCM) for many centuries for the treatment of renal and vascular diseases, including cerebral ischemia. Although they are used in clinical practice, the evidence of their efficacy is lacking.
Materials And Methods: The cerebral ischemic rat model was established by bilateral carotid artery ligation and shear surgery.
Evid Based Complement Alternat Med
July 2014
Vascular remodeling occurs in atherosclerosis, hypertension, and restenosis after percutaneous coronary intervention. Adventitial remodeling may be a potential therapeutic target. Yiqihuoxuejiedu formula uses therapeutic principles from Chinese medicine to supplement Qi, activate blood circulation, and resolve toxin and it has been shown to inhibit vascular stenosis.
View Article and Find Full Text PDFObjective. To explore the mechanism of cardioprotective effects of Chinese medicine, Yiqi Huoxue recipe, in rats with myocardial infarction- (MI-) induced heart failure. Methods.
View Article and Find Full Text PDFAstragalus polysaccharide is a major component of radix astragali, a vital qi-reinforcing herb medicine with favorable immune-regulating effects. In a previous animal experiment, we demonstrated that astragalus polysaccharide effectively alleviates ischemia-reperfusion injury (IRI) of cardiac muscle through the regulation of the inflammatory reactions. However, the relationship between this herb and the cohesion molecules on the cell surface remains controversial.
View Article and Find Full Text PDFObjective: To summarize the effectiveness of Chinese and Western integrative medicine in treating medium and advanced lung cancer, and to provide guidelines for clinical application.
Methods: For this metaanalysis, a comparative search of Chinese medicine data in Chinese National Knowledge Infrastructure (CNKI) and Chinese BioMedical Literature Database (CBM) was undertaken to identify articles related to randomized comparative research of Chinese and Western integrative medicine in treating medium and advanced lung cancer between 1996 to 2006. Quality of life (QOL) was estimated using RevMan 4.
Objective: To investigate the protective mechanism of geniposide, baicalin and berberine on hypoxia and reoxygenation injury in cultured rat cerebral microvascular endothelial cells.
Method: A model of four hours hypoxia and twelve hours reoxygenation injury in rat cerebral microvascular endothelial cells in vitro was established. The injured cells were treated with geniposide (0.
Objective: To establish an ischemia-reperfusion injury model of rat cerebral microvascular endothelial cells (MVECs) in vitro, and to explore the relationship between nuclear factor-kappa B (NF-kappaB) and the protective effects of Qingkailing effective components (hyocholic acid, taurocholic acid, baicalin, jasminoidin, Pinctada martensii) on MVECs.
Methods: Brain MVECs of male rats were digested with trypsin and subcultured, then the content of MVECs was adjusted to 1x10 (5)/mL and the MVECs were divided into normal control group, untreated group, hyocholic acid group, taurocholic acid group, baicalin group, jasminoidin group, Pinctada martensii group and nimodipine group, with six holes in each group. Except for the normal control group, the MVECs in the other groups were exposed in oxygen and glucose deprivation (OGD) circumstance in vitro to simulate ischemia-reperfusion injury.
Acta Crystallogr Sect E Struct Rep Online
May 2009
In the crystal structure of the title compound, C(60)H(70)N(2)O(10)·4CH(3)CN, the calix[4]arene mol-ecule adopts an open-cone conformation with two intra-molecular O-H⋯O hydrogen bonds. The four benzene rings of the calix[4]arene are twisted to the mean plane defined by four methyl-ene C atoms bridging the benzene rings, with dihedral angles ranging from 57.74 (10) to 65.
View Article and Find Full Text PDFObjective: To investigate the protective mechanism of geniposide, baicalin and berberine on hypoxia and reoxygenation injury in cultured rat cerebral microvascular endothelial cells.
Method: To establish a model of hypoxia four hours and reoxygenation twelve hours injury in rat cerebral microvascular endothelial cells in vitro. The injured cells were treated with geniposide (0.
Objective: To study the characteristics of coronary arteriography and traditional Chinese medicine syndrome of 1,069 patients with coronary artery disease (CAD).
Methods: One thousand and sixty-nine patients with CAD were investigated by epidemiological method. The patients were divided into young patients (n=82, aged 45 years or younger) and middle-aged and old patients (n=987, older than 45 years).
Objective: To investigate the protective effect of geniposide, baicalin and berberine for the rat cerebral microvascular endothelial cell.
Method: The model of hypoxia and reoxygenation injury in rat cerebral microvascular endothelial cells in vitro was established. Both normal and model cells were treated with geniposide (1.
Objective: To establish an in vitro injury model of ischemia-reperfusion in cerebral microvascular endothelial cells of rats and observe the protective effect of cholic acid.
Method: Cultured rat microvascular endothelial cells were subjected to the oxygen-glucose deprivation (OGD) (Krebs solution) and recovery of oxygen-glucose, which simulated in vitro ischemia and reperfusion injury, and treated with cholic acid. The A value was measured with MIT chromatometry.