Pyrogallol (≥99%), quercetin (≥98%), butylhydroxytoluene (BHT), 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonate) (ABTS) were purchased from Sigma-Aldrich Co. (St. Louis, MO). Potassium persulfate, sodium acetate trihydrated, TPTZ and iron chloride were purchased from VETEC Química Fina LTDA. Lansoprazole were purchased from Henrifarma® (Henrifarma Produtos Químicos e Farmacêuticos LTDA, São Paulo-Brazil). Other reagents were of HPLC grade or analytical grade. Milli-Q plus water (Millipore, Missouri, NH) was used throughout this study, and all solutions were prepared immediately before use.
Potassium persulfate
Manufactured by Vetec
Sourced in Brazil
Potassium persulfate is an inorganic chemical compound with the formula K2S2O8. It is a white, crystalline solid that is commonly used as an oxidizing agent and initiator in various industrial and laboratory applications.
Automatically generated - may contain errors
Lab products found in correlation
Quercetin, by Merck Group (2 mentions)
2 4 6 tris 2 pyridyl 5 triazine, by Merck Group (2 mentions)
Folin ciocalteu, by Merck Group (2 mentions)
Hepes, by Merck Group (2 mentions)
Sodium acetate, by Merck Group (2 mentions)
2 2 azino bis 3 ethylbenzothiazoline 6 sulfonic acid diammonium salt, by Merck Group (2 mentions)
Potassium ferrocyanide trihydrate, by Vetec (2 mentions)
Zinc acetate dihydrate, by Vetec (2 mentions)
Iron 2 ammonium sulfate hexahydrate, by Vetec (2 mentions)
Gallic acid monohydrate, by Vetec (2 mentions)
Aluminum chloride hexahydrate, by Vetec (2 mentions)
Butylhydroxytoluene, by Merck Group (1 mentions)
Milli q plus water, by Merck Group (1 mentions)
Pyrogallol, by Merck Group (1 mentions)
Sodium bisulfate, by Merck Group (1 mentions)
Potassium sodium tartrate tetrahydrate, by Merck Group (1 mentions)
Glucose pap liquiform kit, by Labtest (1 mentions)
Copper 2 sulfate, by Merck Group (1 mentions)
Amyloglucosidase from aspergillus niger, by Merck Group (1 mentions)
Tannic acid, by Merck Group (1 mentions)
4 protocols using potassium persulfate
1
Evaluation of Antioxidant Compounds
2
Detailed Chemical Analysis Protocol
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Sodium bisulfate, copper (ii) sulfate, potassium sodium tartrate tetrahydrate, tannic acid, Folin-Ciocalteu, 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt, sodium acetate, HEPES, minimum 99.5% titration, 2,4,6-tris (2-pyridyl)-5-triazine (TPTZ), methyl viologen dichloride hydrate (Paraquat), amyloglucosidase from Aspergillus niger, and 2,2-di(4-tert-octylphenyl)-1-picrylhydrazyl free radical (DPPH) were purchased from Sigma-Aldrich (São Paulo, SP, Brazil). Glucose PAP liquiform (Kit) was purchased from Labtest (Belo Horizonte, MG, BRA) and potassium ferrocyanide trihydrate, zinc acetate dihydrate, iron(II) ammonium sulfate hexahydrate, gallic acid monohydrate, aluminum chloride hexahydrate, potassium persulfate, and iron(III) chloride were purchased from Vetec Química Fina LTDA (Rio de Janeiro, RJ, BRA). All the other chemicals used in this work were of analytical grade.
3
Antioxidant Capacity Evaluation Protocol
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Dimetilsulfoxide, quercetin, 5,5′-Dithiobis(2-nitrobenzoic acid), Acetylcholine iodide, 1-chloro-2,4-dinitrobenzeno, 2′,7′-Dichlorofluorescein diacetate (DCHF-DA), Folin-Ciocalteu, 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid diammonium salt, sodium acetate, HEPES, minimum 99,5 % titration, 2,4,6-Tris(2-pyridyl)-5-triazine (TPTZ), methyl viologen dichloride hydrate (Paraquat), 3-(4,5-dimethylthiazol-2-yl)-2,5 diphenyltetrazolium bromide (MTT), resazurin sodium salt, and albumin from bovine serum were purchased from Sigma-Aldrich (São Paulo, SP, Brasil). Potassium ferrocyanidetrihydrate, zinc acetate dihydrate, iron (II) ammonium sulfate hexahydrate, gallic acid monohydrate, aluminum chloride hexahydrate, potassium persulfate were purchased from Vetec Química Fina LTDA (Rio de Janeiro, RJ, BRA). All other reagents were of analytical grade.
4
Synthesis of Magnetic Core-Shell Nanoparticles
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All reagents were analytical grade (PA) and used without prior purification. Methyl methacrylate (MMA) 99%, vinyl pivalate (VPi) 99%, hexadecane 99%, benzoyl peroxide 75% and ethylene glycol dimethylacrylate (EGDMA) 98% were purchased from Sigma-Aldrich Brasil Ltda. (Rio de Janeiro, Brazil). Hydrochloric acid (HCl) 36.5–38% and oleic acid 99% were purchased from Synth (São Paulo, Brazil). Ferric chloride hexahydrate (FeCl3·6H2O) 97%, ferrous sulfate heptahydrate (FeSO4·7H2O) 99%, sodium hydroxide (NaOH) 99% and potassium persulfate (KPS) 99% were purchased from Vetec Química Fina Ltda. (Rio de Janeiro, Brazil) and 90% pure sodium dodecyl sulfate (SDS) was supplied by Reagen Produtos para Laboratórios Ltda. (Parana, Brazil). Nitrogen gas was supplied by White Martins Gases Industriais Ltda. (Rio de Janeiro, Brazil) with 99.5% purity. Scheme 1 illustrates the experimental protocol for the synthesis of poly(Methyl methacrylate)/Fe3O4/poly(vinyl pivalate) magnetic core–shell nanoparticles.
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