Sodium alginate was obtained at Wako Pure Chemical Industries (11 kDa, Osaka, Japan).
Folic acid,
tetrabutylammonium hydroxide solution (TBAOH),
tetrabutylammonium fluoride hydrate (TBAF),
1,1′-carbonyldiimidazole (CDI),
soybean oil, 5-aminolevulinic acid hydrochloride (5ALA, 98%), sorbitan oleate (Span 80), and
Polysorbate 80 (Tween 80) were supplied from Sigma-Aldrich (St Louis, MO, USA).
Hydrogen peroxide (H
2O
2, 30.0–35.5%),
dimethyl sulfoxide (DMSO, 99.8%),
sodium carbonate (Na
2CO
3), and
hydrochloric acid (HCl, 35.0–37.0%) were purchased from Samchun (Gyeonggi-do, Korea). 2,4,6-trinitrobenzene sulfonic acid (TNBSA, 5%
w/
v) solution, and
bicinchoninic acid (BCA) assay kit were obtained from Thermo Fisher (Waltham, MA, USA). The
MCF-7 (breast adenocarcinoma), A549 (lung carcinoma), and
SKOV-3 (ovarian adenocarcinoma) cell lines were procured from Korea Cell Line Bank (Seoul, Korea). The human fibroblast (HFB) cell line was offered by Seoul National University Hospital (Bundang, Gyeonggi-do, Korea).
RIPA lysis buffer was purchased from Biosesang (Gyeonggi-do, Korea) and Cell Counting Kit-8 (CCK-8) was acquired by Dojindo Molecular Technologies, Inc. (Kumamoto, Japan).
Lee S, & Lee K. (2020). pH-Sensitive Folic Acid Conjugated Alginate Nanoparticle for Induction of Cancer-Specific Fluorescence Imaging. Pharmaceutics, 12(6), 537.