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伤寒及付伤寒甲乙混合类脂多糖的预先注射可以提高小白鼠机体对一定剂量电离辐射作用的抵抗力。在300伦照射时,腹腔内一次注射的效果较好,可使30日生存率由13.3%提高到65%;皮下三次注射效果较差,使30日生存率由5%提高到26%。皮下注射对600伦照射没有预防作用。经腹腔预防注射的动物,照射后一定时间动员粒细胞反应能力较强,下丘脑-垂体-肾上腺皮质系统的机能反应较显著,对局部创伤的全身抵抗力增高。
Pre-injection of typhoid fever and typhoid fever combined with B-lipid can improve the body’s resistance to certain doses of ionizing radiation. In a 300-len exposure, intraperitoneal injections performed better, allowing a 30-day survival rate from 13.3% to 65%; subcutaneous three injections were less effective, increasing the 30-day survival rate from 5% to 26%. Subcutaneous injection had no preventive effect on 600 len irradiation. Animals injected intraperitoneally have a strong ability to mobilize granulocytes at a certain time after irradiation. The functional response of the hypothalamus-pituitary-adrenocortical system is more pronounced, and the systemic resistance to local trauma is increased.