Ammonium peroxy di sulfate aps

Manufactured by Merck Group

Sourced in Germany

Ammonium peroxy-di-sulfate (APS) is a powerful oxidizing agent commonly used in various laboratory applications. It serves as an initiator in free radical polymerization reactions, a bleaching agent, and an analytical reagent. The core function of APS is to provide a source of free radicals for chemical reactions.

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Ammonium sulfate

3 protocols using ammonium peroxy di sulfate aps

Graphite-based Photocatalyst Synthesis

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Pure graphite powder (99%;
LOBA Chemie, India, crystalline, 60 mesh), aniline (Fisher Scientific,
India), deionized water (Hydrolab, India), 5-sulfosalicylic acid (SSA,
Merck), ammonium peroxy-di-sulfate (APS, Merck), sodium nitrate (NaNO₃, Merck), potassium permanganate (KMnO₄, Merck),
sulfuric acid (H₂SO₄, Merck), ortho-phosphoric
acid (H₃PO₄, Merck), hydrogen peroxide (H₂O₂, Merck, 30% GR Pro analysis), calcium chloride
(CaCl₂, Merck), phosphorus pentoxide (P₂O₅, Merck), and hydrazine hydrate (N₂H₄H₂O, Merck) were used for the material synthesis. Malachite
green (MG), congo red (CR), and rhodamine B (RhB) dyes were purchased
from Himedia, India. Nitro B.T. AR (nitroblue tetrazolium (NBT)) and
benzene-1,4-dicarboxylic acid (teraphthalic acid (TA)) are procured
from LOBA Chemie, India.

Mitra M., Ahamed S.T., Ghosh A., Mondal A., Kargupta K., Ganguly S, & Banerjee D. (2019). Polyaniline/Reduced Graphene Oxide Composite-Enhanced Visible-Light-Driven Photocatalytic Activity for the Degradation of Organic Dyes. ACS Omega, 4(1), 1623-1635.

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Electrochemical Sensing of Biomolecules

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Tyrase (EC 1.14.18.1; activity ≥ 2700 units mg⁻¹ of solid, from mushroom), 3,4-dihydroxy-L-phenylalanine (L-DOPA), and 1,2-dihydroxybenzene (pyrocatechol) were acquired from Sigma Co., (Ronkonkoma, NY, USA). Multi-walled carbon nanotubes (MWCNTs) with outside dimensions 6–9 nm were purchased from Nutrino Company (Tehran, Iran). Corn starch was provided by Kimia Eksir Asia Company (Tehran, Iran). Aniline monomer, isopropanol, methanol, sodium hydroxide, chloroacetic acid, hydrogen chloride (HCl 37%), ammonium peroxy disulfate (APS), uric acid (UA), and ascorbic acid (AA) were acquired from Merck Company (Germany). All reagents were used without further purification. A phosphate buffer solution (PBS 0.1 M, pH = 6.8 at 25 ± 2 °C prepared by using K₂HPO₄ and KH₂PO₄) was used to prepare the electrolyte. All solutions were made ready with distilled water.

Mollamohammadi F., Faridnouri H, & Zare E.N. (2023). Electrochemical Biosensing of L-DOPA Using Tyrosinase Immobilized on Carboxymethyl Starch-Graft-Polyaniline@MWCNTs Nanocomposite. Biosensors, 13(5), 562.

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Cellulase Enzyme Activity Assay

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Cellulase from Trichoderma reesei (Cat. No C2730, ≥700 U/g), bovine serum albumin (BSA), coomassie brilliant blue G-250, Whatman filter paper (Cat. No. 1001110), carboxymethyl cellulose (CMC), potassium sodium tartrate tetrahydrate, glucose, 3,5-dinitrosalicylic acid (DNS), aniline hydrochloride (99%, 𝑀𝑀 𝑤𝑤 =129.59 g/mol) and ammonium peroxydisulfate (APS, 98%, Mw =288.18 g/mol), were purchased from Merck AG (Germany). Poly(ε-caprolactone) (PCL, Mn=80000) and piperazine were obtained from Sigma Aldrich (United Kingdom). TVPO was synthesized according to a published work 24 (link) . Analytical grade phosphoric acid, ethanol, methanol, hydrochloric acid, acetone, chloroform, and dimethylformamide (DMF) were purchased from Merck (Germany).

Zarei A., Alihosseini F., Alihosseini F., Parida D., Nazir R, & Gaan S. (2021). Fabrication of Cellulase Catalysts Immobilized on a Nanoscale Hybrid Polyaniline/Cationic Hydrogel Support for the Highly Efficient Catalytic Conversion of Cellulose. ACS applied materials & interfaces, 13(42).

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