Biological Activity Fully biologically active when compared to standard. The biological activity determined by a chemotaxis bioassay using human T-lymphocytes is in a concentration of 1.0-10 ng/ml. Physical Appearance Sterile Filtered White lyophilized (freeze-dried) powder. Formulation Lyophilized from a 0.2 μm filtered concentrated solution in 20 mM PB, pH 7.4, 100 mM NaCl. Endotoxin Less than 1 EU/μg of rHuMIP-4/CCL18 as determined by LAL method. Usage This material is offered by Shanghai PrimeGene Bio-Tech for research, laboratory or further evaluation purposes. NOT FOR HUMAN USE.
上海普欣生物技术有限公司
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