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冻干ＩｇＧ经８０℃２小时和１００℃３０分钟干热处理后，其抗原决定簇未见明显改变，活性抗原量与对照相同，抗－ＨＢｓ和抗人ＩｇＧ等抗体活性未受明显影响。而８０℃７２小时和１００℃２小时干热剂量对ＩｇＧ的免疫学活性影响较大
After lyophilized IgG was heat-treated at 80 ° C for 2 hours and at 100 ° C for 30 minutes, the antigenic determinants did not change significantly. The amount of active antigen was the same as that of the control, and the activity of anti-HBs and anti-human IgG antibodies was not significantly affected. However, the immunological activities of IgG at 72 ℃ for 72 hours and 2 hours at 100 ℃ were significantly affected