Cytarabine (Ara-C) was purchased from the Aladdin Industrial Corporation. Palmitic acid (PA), sodium hydroxide,
potassium dihydrogen phosphate,
sodium dihydrogen phosphate and
disodium hydrogen phosphate were bought from Sinopharm Chemical Reagent Co., Ltd. Ethyl chloroformate (EtOCOCl) was obtained from Chengdu Beisite Reagent Co., Ltd.
Pepsin (1 : 3000) and
trypsin (1 : 250) were purchased from Amresco and Sangon Biotech (Shanghai) Co., Ltd, respectively.
Acyclovir (HPLC > 98%) was purchased from Dalian Meilun Biotech Co., Ltd. HL60 and K562 cells were kindly provided by the Immunopharmacology Institute of Shandong University and the Shandong Analysis and Test Center.
3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) was purchased from Beijing Solarbio Technology Co., Ltd.
The spectroscopy equipment was: an NMR spectrometer (
1H-NMR, Bruker
Avance 400), an electrospray tandem mass spectrometer (MS,
AB SCIEX API 4000), an FTIR spectrometer (Nicolet 6700), a transmission electron microscope (TEM, JEM-200CX), a high performance liquid chromatograph (HPLC, Agilent Technologies
1200 Series), an HPLC-MS (Agilent 1260 triple quadrupole mass spectrometer equipped with an ESI source), and a microplate reader (ELISA, PerkinElmer).
Zhang J., Zhang D., Hu X., Liu R., Li Z, & Luan Y. (2018). Rational design of a new cytarabine-based prodrug for highly efficient oral delivery of cytarabine. RSC Advances, 8(24), 13103-13111.