Hydrogen peroxide

Manufactured by Scharlab

Sourced in Spain

Hydrogen peroxide is a clear, colorless liquid chemical compound with the formula H2O2. It is a powerful oxidizing agent commonly used in various laboratory applications.

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Lab products found in correlation

Hydrochloric acid (hcl), by Scharlab (3 mentions) Sodium hydroxide (naoh), by Scharlab (3 mentions) Sulfuric acid, by Scharlab (2 mentions) Potassium dihydrogen phosphate, by Scharlab (2 mentions) Sodium nitrate, by Scharlab (2 mentions) Ortho phosphoric acid, by Scharlab (2 mentions) Hplc grade methanol, by Merck Group (2 mentions) 2 5 dihydroxybenzoic acid, by Merck Group (2 mentions) Sodium salicylate, by Merck Group (2 mentions) N ethyl n 3 dimethylaminopropyl carbodiimide edc, by Merck Group (1 mentions) Sodium nitrate nano3, by Merck Group (1 mentions) Absolute ethanol, by Scharlab (1 mentions) Potassium permanganate kmno4, by Merck Group (1 mentions) Nitric acid, by Scharlab (1 mentions) Hplc grade methanol, by Scharlab (1 mentions) Methanol, by Scharlab (1 mentions) Sodium hyaluronate, by Merck Group (1 mentions) Hydrochloric acid (hcl), by Thermo Fisher Scientific (1 mentions) Trypsin, by Thermo Fisher Scientific (1 mentions) Potassium permanganate, by Merck Group (1 mentions)

15 protocols using hydrogen peroxide

Surface Modification of Quartz Chips

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The unmodified piezoelectric quartz crystal chip was firstly cleaned for 10 minutes by irradiation with a UV-ozone cleaning system (UVOH 150 LAB, FHR, Ottendorf, Germany). Afterwards the chip was immersed in a 5 : 1 : 1 solution of Milli-Q water, 25% ammonia (Scharlau) and 30% hydrogen peroxide (Scharlau) at 75 °C. Then the chip was rinsed with Milli-Q water, and blown dry with high purity nitrogen. Finally, the chip was treated again with the UV-ozone cleaning system for 10 minutes. The self-assembled monolayer was formed by treating the quartz crystal with 10 mM of MPA (3-mercaptopropionic acid, Sigma-Aldrich) overnight, which was further activated with 46 mM of EDC –N-ethyl-N′-(3-dimethylaminopropyl) carbodiimide, Sigma-Aldrich, pure grade-/NHS (98% N-hydroxysulphosuccinimide, Sigma-Aldrich) for 1 hour to produce the activated carboxyl chip.

do Nascimento N.M., Juste-Dolz A., Bueno P.R., Monzó I., Tejero R., Lopez-Paz J.L., Maquieira A., Morais S, & Gimenez-Romero D. (2018). Mapping molecular binding by means of conformational dynamics measurements. RSC Advances, 8(2), 867-876.

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Graphene Oxide Synthesis and Characterization

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Cell culture reagents were provided by Gibco (Biomol, Sevilla, Spain). rGO was purchased from Graphitene, Ltd (Flixborough, UK). For the synthesis of GO, sodium nitrate (NaNO₃) and potassium permanganate (KMnO₄) were purchased in Sigma-Aldrich (Madrid, Spain), and hydrogen peroxide (H₂O₂, 30% w/w), sulfuric acid (H₂SO₄, 95%), ethanol absolute (EtOH) and hydrochloric acid (HCl, 37%) in Scharlab (Barcelona, Spain). Chemicals for the different assays were obtained from Sigma-Aldrich (Madrid, Spain) and VWR International Eurolab (Barcelona, Spain).

Cebadero-Domínguez O., Ferrández-Gómez B., Sánchez-Ballester S., Moreno J., Jos A, & Cameán A. (2022). In vitro toxicity evaluation of graphene oxide and reduced graphene oxide on Caco-2 cells. Toxicology Reports, 9, 1130-1138.

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Multi-Element Analysis of Aqueous Samples

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High purity deionized water (18.2 MΩ cm) was used from MilliQ system (Bedford, MA, USA).
Analytical grade nitric acid (65% (w/w)) and hydrogen-peroxide (30% (w/w)) came from Scharlab S.L. (Sentmenat, Spain). Calibration stock solution was made from 1000 mg L -1 monoelement stock
solutions from Scharlab S.L. (Sentmenat, Spain), except rare earth elements (REEs), which were made from 100 mg L -1 multielement stock solution of REEs from Teknolab A/S (Drøbak, Norway).
Rhodium (Fluka, Buchs, Switzerland) was used as an internal standard in 40 µg L -1 concentration.
High purity anhydrous ethanol (≥99.8% (v/v)) was used when the extraction solvents were being from VWR International (Fontenay-sous-Bois, France). The ≥99.8% (v/v) ethanol is referred to as 100% (v/v) below. All the new plastic tools were cleaned and soaked in 2% HNO 3 for 3 days, then soaked in MilliQ water for 1 day, and finally rinsed with distilled water and dried prior to use.

Soós Á., Bódi É., Várallyay S., Molnár S, & Kovács B. (2019). Mineral content of propolis tinctures in relation to the extraction time and the ethanol content of the extraction solvent. Lebensmittel-Wissenschaft + [i.e. und] Technologie. Food science + technology. Science + technologie alimentaire, 111.

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Trace Element Quantification Protocol

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Single-component standards of Mg, Ca, P, Fe, Zn, and Se (1 µg/mL) and Ar, Hg, Cd, and Pb (1 g/L) were obtained from High-Purity Standards (North Charleston, South Caroline), while internal isotope standard solutions of Sc, Ge, Rh, and Ir (20 µg/g) were purchased from ISC Science (Gijón, Spain). Nitric acid (69%) for ppb-trace grade analysis and hydrogen peroxide (35%) for analysis were purchased from Scharlab (Barcelona, Spain).

de la Fuente B., Aspevik T., Barba F.J., Kousoulaki K, & Berrada H. (2023). Mineral Bioaccessibility and Antioxidant Capacity of Protein Hydrolysates from Salmon (Salmo salar) and Mackerel (Scomber scombrus) Backbones and Heads. Marine Drugs, 21(5), 294.

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Preparation of Thiopental Sodium Standards

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Thiopental sodium and sodium carbonate working standards were supplied as a gift sample from UP Pharma (Assuit, Egypt). Methanol HPLC-grade, potassium dihydrogen phosphate, hydrochloric acid (37%), sodium hydroxide, and hydrogen peroxide (30%) (Scharlau, Spain). Water for injection (WFI) was used in the analysis and passed through a 0.45 μm nylon membrane filter before use. A phosphate solution was prepared by weighing about 5.82 g of potassium dihydrogen phosphate in 1000 mL of WFI.

Al-Hakkani M.F., Ahmed N, & Hassan M.H. (2023). Rapidly, sensitive quantitative assessment of thiopental via forced stability indicating validated RP-HPLC method and its in-use stability activities. Scientific Reports, 13, 10294.

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Synthesis and Characterization of PFAS Compounds

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All chemicals were reagent grade or higher and were used as received without further purification. PFOA (C7F15COOH, 96% purity), perfluoroheptanoic acid (PFHpA, C6F13COOH, 99% purity), perfluorohexanoic acid (PFHxA, C5F11COOH, 96% purity), perfluoropentanoic acid (PFPeA, C4F9COOH, 97% purity) were purchased from Sigma Aldrich Chemicals. TiO2 (P25, 20% rutile and 80% anatase, 50 m 2 .g -1 , 21 nm) was obtained from Evonik Degussa. Graphite powder was supplied by Acros Organics. Sulfuric Acid 95-98% (H2SO4), chloride acid 37% (HCl), potassium permanganate (KMnO4), sodium nitrate (NaNO3), phosphoric acid (85%) and sodium di-hydrogen phosphate anhydrous were provided by Panreac. Hydrogen peroxide (H2O2, 30% v/v) and Methanol (UHPLC-MS grade) were obtained from Scharlau. All solutions were prepared using ultrapure water (Q-POD Millipore).

Gomez-Ruiz B., Ribao P., Diban N., Rivero M.J., Ortiz I, & Urtiaga A. (2018). Photocatalytic degradation and mineralization of perfluorooctanoic acid (PFOA) using a composite TiO₂ -rGO catalyst. Journal of hazardous materials, 344.

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Sodium Hyaluronate Eye Drop Formulation

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Sodium hyaluronate was obtained from Sigma Aldrich (USA). Potassium dihydrogen orthophosphate, sodium hydroxide, hydrochloric acid and hydrogen peroxide were purchased from Scharlab S.L. (Spain). Hycarenol ® eye drops were provided from Sanocare for Pharmaceutical industries with a composition of 2 mg/mL (0.2 % w/v).

El‐Behairy M.F., Taher M., & Abdallah I.A. (2020). Straightforward Determination of Sodium Hyaluronate in Active Pharmaceutical Ingredient and Ophthalmic Formulations: Validation and Stability Study. Journal of Advanced Pharmacy Research, 4(4), 147-152.

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Graphene-Based Biosensor Fabrication

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Cytop^TM (CTL-809M) and the fluorinated solvent CT-Solv.180 were purchased from Asashi Glass Co (Tokyo, Japan). Graphite was from International Laboratory, USA (South San Francisco, CA, USA). AZ P4620 photoresist was from MicroChemicals GmbH (Ulm, Germany). Sodium nitrate and hydrogen peroxide were from Scharlab S. L (Barcelona, Spain). Sulfuric acid (98%) was from RCI Labscan Limited (Bangkok, Thailand). Hydrochloric acid was from Fisher Scientific (Waltham, MA, USA). Potassium permanganate, ZONYL FSO-100 fluorosurfactant, trichloro (1H, 1H, 2H, 2H-perfluorooctyl) silane (97%) were from Sigma-Aldrich (St. Louis, MO, USA). β-human chorionic gonadotrophin (β-hCG) and fluorescein isothiocyanate (FITC) labeled anti-β-hCG were from Abcam (Cambridge, UK). Mesenchymal stem cells were from mouse bone marrow (Astarte Biologics, Inc., Bothell, WA, USA). Dulbecco’s phosphate buffered saline (DPBS 1X), minimum essential medium (MEM) alpha (1X), and trypsin were from Gibco (Thermo Fisher Scientific, Waltham, MA, USA).

Wu L., Liu B., Zhu M., Guo D., Wu H., Bian L, & Zheng B. (2019). Patterning Perfluorinated Surface with Graphene Oxide and the Microarray Applications. Micromachines, 10(3), 173.

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Screening Antioxidant Capacity of Onion Extracts

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For the film preparation, medium-sized yellow onion bulbs in commercial stages were acquired from markets in the city of São Carlos, São Paulo, Brazil. For the incorporation of clay, Laponite XLG (Na_0.7[(Mg_5.5Li_0.3)Si₈O₂₀(OH)₄]) obtained from BYK-Chemie was used for clay incorporation. Milli-Q^® water, sodium salicylate (CAS 54-21-7, 99.5%), 2,5-dihydroxybenzoic acid (CAS 490-79-9, 99%) from Sigma-Aldrich, HPLC-grade methanol (CAS 67-56-1), hydrogen peroxide (CAS 7722-84-1, 30%) and orthophosphoric acid (7664-38-2, 84%) from Scharlab were used for the antioxidant assay.

Barbosa M.L., de Oliveira L.M., Paiva R., Dametto A.C., Dias D.D., Ribeiro C.A., Wrona M., Nerín C., Barud H.D, & Cruz S.A. (2023). Evaluation the Potential of Onion/Laponite Composites Films for Sustainable Food Packaging with Enhanced UV Protection and Antioxidant Capacity. Molecules, 28(19), 6829.

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Screening Antioxidant Capacity of Onion Extracts

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