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Polytetrafluoroethylene ptfe

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Polytetrafluoroethylene (PTFE) is a synthetic fluoropolymer material. It is a highly chemically resistant and thermally stable material that is used in a variety of laboratory equipment and applications.

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Lab products found in correlation

Polysorbate 80, by Merck Group (1 mentions) Quercetin, by Merck Group (1 mentions) Strat m membrane, by Merck Group (1 mentions) Curcumin, by Merck Group (1 mentions)

2 protocols using polytetrafluoroethylene ptfe

1

Quercetin and Polysorbate 80 Solubilization

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Quercetin (3,3′,4′,5,6-Pentahydroxyflavone,2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-4H-1-benzopyran-4-one, QT) and polysorbate 80 (polyoxyethylenesorbitan monooleate, tween 80, T80), were purchased from Sigma-Aldrich (St. Louis, MO, USA). The soybean lecithin (PC) (90% phosphatidylcholine) was Epikuron 200 from Lucas Meyer (Hamburg, Germany). Nylon (New York, NY, USA), polytetrafluoroethylene (PTFE, Whatman®, Maidstone, UK) (pore size 200 nm), and STRAT-M® membranes were purchased from Sigma Aldrich (Milan, Italy). Solvents were of HPLC grade and all other chemicals were of analytical grade.
Ferrara F., Benedusi M., Sguizzato M., Cortesi R., Baldisserotto A., Buzzi R., Valacchi G, & Esposito E. (2022). Ethosomes and Transethosomes as Cutaneous Delivery Systems for Quercetin: A Preliminary Study on Melanoma Cells. Pharmaceutics, 14(5), 1038.
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2

Curcumin and Piperine Formulation Development

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Curcumin ((E,E)-1,7-bis(4-Hydroxy-3-methoxyphenyl)-1,6-heptadiene-3,5-dione, purity grade 94%, CUR) and piperine (1-piperoylpiperidine, purity grade 97%, PIP) were purchased from Merck Life Science S.r.l. (Milan, Italy). The soybean lecithin (PC) (92% phosphatidylcholine) was Epikuron 200 from Lucas Meyer (Hamburg, Germany). Polytetrafluoroethylene (PTFE, Whatman®, Seoul, Republic of Korea) (pore size 200 nm) and STRAT-M® membranes were purchased from Merck Life Science S.r.l. (Milan, Italy). Solvents were of an HPLC grade, and all other chemicals were of an analytical grade.
Ferrara F., Bondi A., Pula W., Contado C., Baldisserotto A., Manfredini S., Boldrini P., Sguizzato M., Montesi L., Benedusi M., Valacchi G, & Esposito E. (2024). Ethosomes for Curcumin and Piperine Cutaneous Delivery to Prevent Environmental-Stressor-Induced Skin Damage. Antioxidants, 13(1), 91.
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