The present invention provides a hazardous substance-removing material comprised of a support on which is supported an antibody, the support comprising a layer comprised of polyolefin fiber and a layer comprised of at least one other fiber, and the antibody being supported on the other fiber, which affords a high capture rate and permits long-term use, in which the antibody is efficiently utilized.本發明提供一種包含其上載有抗體之載體的有害物質去除材料，該載體包含一含有聚烯烴纖維之層及一含有至少一種另一纖維之層，且該抗體係載於該另一纖維上，該有害物質去除材料提供高捕獲率並允許長期使用且在長期使用期間能有效地利用該抗體。
