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Polyvinylpyrrolidone k30 pvp k30

Manufactured by Merck Group
Sourced in United States

Polyvinylpyrrolidone K30 (PVP K30) is a synthetic polymer that is widely used in various industries, including pharmaceutical, cosmetic, and food applications. It is a white to creamy-white, odorless, and hygroscopic powder. PVP K30 has a molecular weight range of 40,000 to 50,000 and is soluble in water, alcohol, and other polar solvents. Its primary function is as a binder, stabilizer, and film-forming agent.

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5 protocols using polyvinylpyrrolidone k30 pvp k30

1

Polyphenylsulfone Polymer Membranes

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Polyphenylsulfone (PPSU) polymer (Radel® R-5000) with a molecular weight of 52,000–55,000 g/mol was purchased from Solvay Advanced Polymer, Belgium. Dimethyl acetamide (DMAC) (85, wt.%, Fisher, Hampton, NH, USA), used as an organic solvent for polymer dissociation, was purchased from the local market. Polyvinylpyrrolidone K30 (PVP-K30) was used as a pore former and purchased from Sigma-Aldrich, St. Louis, MO, USA. MXene (structure; Ti3C2Tx) was obtained from the department of materials, University of Technology, Iraq. Cu (NO3)2·3H2O, Cd (NO3)2·4H2O and Pb(NO3)2 salts for filtration tests of the Cu2+, Cd2+ and Pb2+ heavy metal ions were purchased from Sigma-Aldrich, USA. All chemicals were in analytical grades and used without further purification.
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2

Synthesis and Characterization of PCM Peptide

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Chloroauric acid (HAuCl4·3H2O, 99.9%), silver nitrate (AgNO3, 99%), sodium selenite (Na2SeO3, 98%), Dimethyl sulfoxide (DMSO), DMPO (98%), polyvinylpyrrolidone K30 (PVP‐K30), cetyltrimethylammonium bromide (CTAB, 98%), and L‐Arg (98%) were purchased from Sigma‒Aldrich (Mainland China). Fluorescein isothiocyanate n‐hydrox ysuccinimide (FITC‐NHS, 90%), 4′,6‐diamidino‐2‐phenylindole (DAPI, 95%), rhodamine phalloidin (95%), DCFH‐DA (95%), DAF‐FMDA (95%), dihydroethidium (DHE, 95%), hydroxyphenyl fluorescein (HPF, 95%) were purchased from Thermo Fisher Scientific (Mainland China). PCM (WLSEAGPVVTVRALRGTGSW) was synthesized by Shanghai Bioengineering Co. The purity of the synthesized PCM was determined to be higher than 95% by mass spectrometry and high‐performance liquid chromatography detection.
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3

Synthesis and Characterization of SWCNT-Curcumin Nanoformulation

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SWCNT were purchased from Chengdu Organic Chemicals Co. Ltd. Curcumin was extracted and purified by our laboratory (purity > 98% as determined by HPLC and NMR). Phosphatidylcholine (PC), polyvinylpyrrolidone K30 (PVP K30), and Tween 20 were purchased from Sigma-Aldrich Inc (St Louis, MO).
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4

Artocarpin-Cyclodextrin Formulation and Evaluation

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Artocarpin was purchased from Pulin Biotech Company Limited (Taipei, Taiwan). 2-hydroxypropyl-β-cyclodextrin (HPBCD) was obtained from Zibo Qianhui (Shandong, China). Polyvinylpyrrolidone K30 (PVPK30; MW ≅ 40,000; K-value, 29–32) and 2,2-diphenyl-1-picrylhydrazyl (DPPH) were obtained from Sigma (St Louis, MO, USA). Dimethyl sulfoxide (DMSO), and methanol were purchased from Aencore Chemical (Surrey Hills, Australia). Potassium dihydrogen phosphate (KH2PO4) and dipotassium phosphate (K2HPO4) were purchased from Ferak (Berlin, Germany). 3-(4,5-cimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) was purchased from MDBio (Taipei, Taiwan). HaCaT keratinocytes were obtained from the Istituto Zooprofilattico Sperimentale della Lombardia e dell’Emilia Romagna (Brescia, Italy). Dulbecco’s modified Eagle’s medium (DMEM) was purchased from Himedia Laboratories (Mumbai, India). Fetal bovine serum (FBS) was purchased from Thermo Fisher Scientific (Waltham, MA, USA). A penicillin, streptomycin, and amphotericin B solution was purchased from Biological Industries (PSA; Connecticut, NE, USA). All the other chemical reagents were of analytical grade.
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5

Micronized MT-1207 Hydrochloride Formulation

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MT-1207 hydrochloride reference standard and micronised MT-1207 hydrochloride:colloidal silicon dioxide mixture with a mass ratio of 5:1 were donated by Shenyang Haiwang Biotechnology Co., Ltd (Shenyang, China). Polyethylene oxide average molecular weight 8,000,000 (8 M), Kollidon ® SR, spray-dried lactose, polyvinylpyrrolidone K30 (PVP K30), hydroxypropyl methylcellulose average molecular weight 90,000 (K15M), hydroxypropyl methylcellulose average molecular weight 120,000 (K100M), colloidal silicon dioxide, magnesium stearate, sodium phosphate monobasic dihydrate and sodium acetate anhydrous were purchased from Sigma-Aldrich (Gillingham, United Kingdom). Alpha-D-lactose monohydrate, ethylcellulose 10 cps, iron (III) oxide, hydrochloric acid 37%, acetic acid glacial, sodium hydroxide pellets, orthophosphoric acid, methanol HPLC grade and propan-2-ol HPLC grade were purchased from Fisher Scientific (Loughborough, United Kingdom).
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