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5 protocols using potassium persulfate

1

Antioxidant Properties of Allium hookeri Roots

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Commercial Allium hookeri roots were purchased from Samchaenara Co. (Korea) and freeze dried at Dongil Cold Storage & Foods Co. (Korea). Pork loin, processed sulfur-fed pork loin, and pork backfat were purchased to prepare pork patties from a local slaughterhouse in Seoul, Korea. Chemicals including Folin-Ciocalteu’s phenol reagent, sodium carbonate, aluminium chloride, quercetin, 2.2-dipnenyl1-1-picrylhydrazyl (DPPH), 2,2-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS), trichloroacetic acid (TCA), 2-thiobarbiuric acid (TBA), and 1,1,3,3-tetraethoxypropane (TEP) were purchased from Sigma (Sigma-Aldrich, USA). Other chemicals including potassium persulfate and gallic acid were purchased from Samchun (Samchun pure chemical Co., Ltd., Korea) and Kanto (Kanto chemical Co., Inc., Japan), respectively.
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2

Antioxidant Potential of Freeze-Dried Allium hookeri

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The Allium hookeri was bought at Samchaenara Co. located
Gyeongsangnamdo, Korea. The Allium hookeri was freeze dried to
use as the sample at Dongil Cold Storage & Foods Co. (Icheon, Korea).
Chemicals together with 1,1,3,3-tetraethoxypropane (TEP), ABTS, aluminum
chloride, 2,2-diphenyl-1-picrylhydrazyl (DPPH), Folin-Ciocalteu’s phenol
reagent, TBA, quercetin, sodium carbonate and trichloroacetic acid (TCA) were
bought at Sigma (Sigma-Aldrich, St. Louis, MO, USA). Supplementary chemicals
including gallic acid and potassium persulfate were bought at Samchun (Samchun
pure Chemical Co., Ltd., Pyeongtaek, Korea) and Kanto (Kanto Chemical Co., Inc.,
Tokyo, Japan).
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3

Polymer-based Functionalized Graphite

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Poly(ethylene glycol) (Mn 2000, 6000, 12,000 g mol−1) (PEG2K, PEG6K and PEG12K), triethylamine (TEA), dichloromethane (DCM), graphite (flake), sodium citrate, N-isopropyl-amine (NIPAm), ammonium persulfate (APS), N,N,N′,N′-tetramethylethylenediamine (TEMED), sodium citrate and bovine serum albumin (BSA) were purchased from Sigma-Aldrich (St. Louis, MO, USA). Potassium persulfate, phosphorus pentoxide, sulfuric acid (97%), sodium nitrate, potassium permanganate, hydrogen peroxide (30%), and diethyl ether were purchased from Samchun Chemicals Co. (Seoul, Korea).
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4

Carbon Cloth Electrochemical Synthesis

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Carbon cloth was obtained from NARA Cell-Tech Corporation. Ammonium sulfate ((NH4)2SO4), ascorbic acid, and potassium persulfate were obtained from Samchun Chemicals. Other chemicals were purchased from Sigma-Aldrich.
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5

Preparation of Europium-Doped Polymer Nanoparticles

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Styrene (St) was supplied by Junsei Chemicals (Tokyo, Japan). Europium chloride hexahydrate, trioctylphosphine (P (Oct)3), 2,2’-Azobis 2-methylpropionamidine dihydrochloride and dialysis tubing cellulose membrane (Mw cut-off = 14,400) membrane were purchased from Sigma-Aldrich. Methacrylic acid (MAA) was supplied by Yakuri Pure Chemicals Co., Ltd. (Kyoto, Japan). Potassium persulfate (PPS), ethanol (EtOH), sodium hydroxide (NaOH), hydrochloric acid (HCl) and sodium carbonate (NaCO3) were supplied by Samchun Chemicals (Kyungkido, Republic of Korea)
4,4,4-Trifluoro-1-(2-thienyl)-1,3-butanedione (TFTB) was supplied by Tokyo Chemical Industry (Tokyo, Japan). Polyvinylpyrrolidone (PVP, Mw = 30,000) was purchased from Kanto Chemical (Tokyo, Japan). All of the chemicals were analytical grade and were used as received without further purification when it was not specially mentioned. Water was purified using the ELGA Flex 3 water purification system (VWR Co. Ltd., PA, USA).
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