All chemical standards were HPLC-grade pure. Folin-Ciocalteu reagent, gallic acid, aluminum chloride, sodium carbonate, potassium iodide, and bisulfite were purchased from Panreac (Barcelona, Spain). Quercetin and 2,2-diphenyl-1-picrilhidrazil (DPPH) were purchased from Alfa Aesar (Massachusetts, USA) and methanol was obtained from Merck (Darmstandt, Germany). Hydrolyzed starch for diastase determination was purchased from Carlo Erba (Barcelona, Spain). The calibration of the HANNA Honey Color C221 colorimeter was with glycerin was provided by Glycerol HANNA instruments (Woonsocket, Rhode Island, USA). Standards of glucose, fructose, sucrose, maltose, trehalose, turanose and melezitose were obtained from Sigma–Aldrich (Madrid, Spain).
Potassium iodide
Manufactured by ITW Reagents
Sourced in Spain
Potassium iodide is a chemical compound that is commonly used in various laboratory applications. It is a white, crystalline solid that is soluble in water and has a distinct, earthy taste. Potassium iodide serves as a source of iodide ions, which can be used in various analytical and experimental procedures.
Automatically generated - may contain errors
Lab products found in correlation
Methanol, by Merck Group (2 mentions)
Gallic acid, by ITW Reagents (1 mentions)
Quercetin, by Thermo Fisher Scientific (1 mentions)
Sodium carbonate, by ITW Reagents (1 mentions)
Turanose, by Merck Group (1 mentions)
Melezitose, by Merck Group (1 mentions)
Trehalose, by Merck Group (1 mentions)
Folin ciocalteu reagent, by ITW Reagents (1 mentions)
Maltose, by Merck Group (1 mentions)
Sucrose, by Merck Group (1 mentions)
Sodium carbonate anhydrous, by ITW Reagents (1 mentions)
Citric acid, by Avantor (1 mentions)
Sodium hydroxide (naoh), by Merck Group (1 mentions)
Bovine serum albumin (bsa), by Merck Group (1 mentions)
Sodium citrate, by Merck Group (1 mentions)
Sodium phosphate monobasic, by Merck Group (1 mentions)
Glacial acetic acid, by Merck Group (1 mentions)
Sulphuric acid, by ITW Reagents (1 mentions)
Chloroform, by ITW Reagents (1 mentions)
Acetic acid, by ITW Reagents (1 mentions)
4 protocols using potassium iodide
1
Analytical Methods for Honey Characterization
2
Protein purification and analysis protocol
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Malonic acid (99% purity), anhydrous sodium carbonate and potassium iodide at commercial grade were purchased from Panreac (Barcelona, Spain). Trichloroisocyanuric acid (95% purity) was purchased from TCI Chemicals (Zwijndrecht, Belgium). Food-grade cellulose was obtained from ESSECO (San Martino di Trecate, Italy). Sodium hydroxide (97% purity), sodium phosphate monobasic (99% purity), sodium citrate, Cyt C, Lys, α-LA and BSA were purchased from Sigma Aldrich (Darmstadt, Germany). Methanol (ACS reagent), isopropanol (ACS reagent) and acetic acid (glacial) were purchased from Supelco (Bellefonte, PA, USA). Citric acid was obtained from BDH Chemicals (Poole, UK). Sodium phosphate dibasic dodecahydrate was purchased from José M. Vaz Pereira (Lisbon, Portugal).
3
Antioxidant Extraction from Guara Almond Skins
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Water (ultrapure grade) and ethanol (HPLC grade) were acquired from Merck (Madrid, Spain). Hexanal (98%), p-anisidine reagent (99%), 2,2-diphenyl-1-picrylhydrazyl (DPPH), sodium chloride, methanol (HPLC grade) and n-hexane (96%, GC grade) were supplied by Sigma-Aldrich (Madrid, Spain). Petroleum ether, sodium methylate, sulphuric acid (98%), acetic acid, potassium iodide, sodium thiosulfate (0.1 M), chloroform, isooctane were of analytical or chromatographic grade and were purchased from Panreac (Barcelona, Spain). Standard compounds such as linoleic (C18:2), oleic (C18:1), palmitic (C16:0), palmitoleic (C16:1), stearic (C18:0) and tridecanoic (C13) acid methyl esters; and 4-methyl-2-pentanone were acquired from Sigma-Aldrich (Madrid, Spain) in the purest available form. A commercial poly(ε-caprolactone) PCL-CAPA 6800 (Mn = 80,000, density = 1.1 g cm−3) was supplied in pellets by Perstorp Holding AB (Sweden). Guara almond skins (AS) were kindly supplied by Almendras Llopis (Alicante, Spain).
4
Synthesis of Thermoresponsive Polymers
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The monomers, 2-(2-methoxyethoxy)ethyl methacrylate (MEO2MA, Aldrich 95%) was purified by passing through a neutral alumina column; N-isopropylacrylamide (NIPAM) was purified by recrystallization, from a hexane/toluene mixture (90/10 vol. %); Styrene (St, Merck > 99%) and methyl methacrylate (MMA, Merck > 99%) were used as received. For the synthesis of 2-(2-(2-(acetylthio)ethoxy)ethoxyl)ethyl methacrylate (AcSEO2MA), 2-(2-(2-chloroethoxy)ethoxy)ethan-1-ol (96%, Aldrich), methacryloyl chloride (97%, Aldrich), triethylamine (99%, Scharlau), dichlorometane (DCM) (99%, Aldrich), anhydrous sodium sulfate (99%, Qemical), potassium iodide (99.5%, Panreac), potassium thioacetate (98%, Aldrich) and acetonitrile (99.9%, Scharlau) were employed as received. All chemical reagents: ammonium persulfate (APS) (>98%, Fluka); tetraethylene glycol dimethacrylate (TEGDMA) (>90%, Fluka); sodium dodecyl sulfate (SDS) (Fluka); tetrachloroauric (III) acid (HAuCl4·3H2O) (≥99.9%, Aldrich) and trisodium citrate dihydrate (Sigma-Aldrich)] were used as received. Milli-Q water was used in all experiments. Solvents were dried by standard methods or by elution through a Pure Solv Innovative Technology column drying system.
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