就各类实验材料的来源而言，结直肠癌细胞系SW480和LOVO购自Ame

In terms of the sources of various experimental materials, colorectal cancer cell lines SW480 and LOVO were purchased from American type culture collection (ATCC), DMEM medium, fetal bovine serum, and trypsin were purchased from Gibco, and EpCAM and Vimentin monoclonal antibodies were purchased. From Abcam, DAPI staining solution was purchased from Sigma, CD45-PE was purchased from eBioscience, EpCAM antibody derivatives and magnetic nanoparticles were purchased from Huzhou Lieyuan Medical Laboratory Co., Ltd., Distearoylphosphatidylethanolamine-polyethylene Alcohol (DSAPC-APCG) was purchased from Avanti, and cholesterol (Chol), dichloromethane, and other commonly used reagents were purchased from Sinopharm. <br><br>As far as the sources of various experimental instruments are concerned, the fluorescence microscope and OLYMPUS B×61 were purchased from Olympus, Japan, and the flow cytometer BD FACS caliber was purchased from BD in the United States.

For the source of various experimental materials, colorectal cancer cells SW480 and LOVE were purchased from American type culture collection (ATCC), DMEM culture fluid, fetal serum, trypsin were purchased from Gibco, EpCAM, Vimentin monoclonal antibodies were purchased from Abcam, DAPI staining fluid was purchased from Sigma, CD45-PE was purchased from eBioscience, EpCAM antibody derivatives and magnetic nanoparticles were purchased from Huzhou Hunting Source Medical Laboratory Co., Ltd., diamide-based phosphatidyl ethanolamine-polyethyl glycol (DSAPC-APCG) from Avanti, cholesterol (Chol), dichloromethane, and other commonly used reagents were purchased from The National Pharmaceutical Company.<br><br>For the source of various experimental instruments, fluorescence microscope, OLYMPUS B×61 purchased from Olympus, Japan, flow cytometer BD FACS caliber purchased from BD Corporation of the United States.

In terms of the sources of various experimental materials, colorectal cancer cell lines SW480 and LoVo were purchased from American type culture Collection (ATCC), DMEM culture medium, fetal bovine serum and trypsin were purchased from GIBCO company, EpCAM and vimentin monoclonal antibodies were purchased from Abcam company, DAPI staining solution was purchased from sigma company, cd45-pe was purchased from ebioscience company, EpCAM antibody derivatives and magnetic nanoparticles were purchased from Huzhou Liyuan medical laboratory Co., Ltd., and dsapc-apcg was purchased from EPCC ）Cholesterol, dichloromethane and other commonly used reagents are purchased from Sinopharm.<br>As far as the sources of various experimental instruments are concerned, fluorescence microscope and Olympus B × 61 are purchased from Olympus, Japan, and flow cytometer BD FACS caliber is purchased from BD company, USA.<br>