Nach3coo

Manufactured by Merck Group

NaCH3COO is a chemical compound used in laboratory settings. It is the sodium salt of acetic acid, also known as sodium acetate. This product is typically utilized as a buffer solution or a component in various chemical reactions and analyses.

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4 protocols using nach3coo

Preparing Acetate Buffer Solutions

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Buffer
solutions of NaCH₃COO, 0.25 M and pH ca 5, were prepared
from NaCH₃COO (Sigma-Aldrich >99%) and CH₃COOH
(Sigma-Aldrich >99.7%) dissolved in deionized water (18.2 MΩ
cm).

Xu R., Gouda A., Caso M.F., Soavi F, & Santato C. (2019). Melanin: A Greener Route To Enhance Energy Storage under Solar Light. ACS Omega, 4(7), 12244-12251.

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Cyclic Voltammetry of Melanin Electrodes

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Cyclic voltammetry was performed using a Biologic VSP 300 multichannel potentiostat, with carbon paper current collectors loaded with melanin acting as the working electrode, Pt mesh as the counter electrode and Ag/AgCl_(aq) (1 M KCl for Fe/melanin electrodes prepared by pre-immersion and 3 M NaCl for the rest of the work) as the reference electrode. The electrolyte (10 ml) was composed of 145 mM KCH₃SO₄ (99%, Acros Organics), 10 mM NaCl (≥99%, Sigma Aldrich), 2 mM MgCl₂ (≥99%, Sigma Aldrich), 10 mM NaCH₃COO (≥99%, Sigma Aldrich), buffered with CH₃COOH at pH 7 (Atherton et al., 2008 (link); Kortleven et al., 2011 (link)). The electrolyte at pH 5 was composed of 0.25 M NaCH₃COO, buffered with CH₃COOH.

Xu R., Soavi F, & Santato C. (2019). An Electrochemical Study on the Effect of Metal Chelation and Reactive Oxygen Species on a Synthetic Neuromelanin Model. Frontiers in Bioengineering and Biotechnology, 7, 227.

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Ensis Shells for Capsaicin Encapsulation

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Waste shells of individuals belonging to Ensis species were collected from a local fisher in July 2019 in Izmir, Turkey. Shell samples (24 individuals) were washed repeatedly with distilled water to remove the dust and particles and then dried at room temperature for one week. During the experiment, chemicals used for film isolation; HCl and NaOH were obtained from Merck and Capsaicin (CAS Number: 404-86-4) was purchased from Sigma Aldrich. The chemicals used in Capsaicin loading and release studies (methanol, chloroform and acetic acid) were purchased from Sigma Aldrich, and NaCH 3 COO, Na 2 HPO 4 *12H 2 O, NaH 2 PO 4 *2H 2 O and NaCl from Merck. DPPH (2,2-diphenyl-1picrilhydrazil) (CAS Number: 1898-66-4) used for the antioxidant study was purchased from Sigma-Aldrich. Distilled water was used in all the experiments.

Aylanc V., Ertosun S., Akyuz L., Koc Bilican B., Gokdag S., Bilican I., Cakmak Y.S., Yilmaz B.A, & Kaya M. (2020). Natural β-chitin-protein complex film obtained from waste razor shells for transdermal capsaicin carrier. International journal of biological macromolecules, 155.

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Purification and Characterization of AEMA Monomer

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Monomer 2-aminoethyl methacrylate hydrochloride
(Sigma 90%, AEMA) was dissolved into acetate buffer (100 mg/mL) and
stirred in an Al₂O₃/inhibitor remover mixture
thoroughly. AEMA was then extracted by centrifuging (15 min, 4025
RCF) the solids out. Chain transfer agents (CTAs) 4-cyano-4-(phenylcarbonothioylthio)pentanoic
acid (Sigma, CPA) and poly(ethylene oxide) methyl ether 2-(dodecylthiocarbonothioylthio)-2-methylpropionate
(Sigma, 6000 g/mol, PEO-CTA) were used as received. All solvents were
used as received except ultrapure deionized water, which was used
fresh from filtration equipment (18 mΩ, UHQ H₂O).
Thermal initiator 2,2′-azobis[2-(2-imidazolin-2-yl)propane]dihydrochloride
(Wako Chemicals, VA-044) was recrystallized from methanol with a small
amount of UHQ H₂O. 2-Ethyl-2-thiopseudourea hydrobromide
(Sigma), sodium hydroxide (VWR aq. 0.1 M, NaOH), acetic acid (Merck
EMSURE, CH₃COOH), hydrochloric acid (Merck EMSURE fuming
or WVR aq. 1 M, HCl), sodium carbonate (Merck EMSURE, NaCO₃), sodium bicarbonate (Merck EMSURE, NaHCO₃), and sodium
acetate (Merck EMSURE, NaCH₃COO) were used as received.
Instrument grade CO₂ (Linde, pure) and N₂ (Linde,
instrument 5.0, ≥99.999%) were used as received.

Tiainen T., Mannisto J.K., Tenhu H, & Hietala S. (2021). CO2 Capture and Low-Temperature Release by Poly(aminoethyl methacrylate) and Derivatives. Langmuir, 38(17), 5197-5208.

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