Amidated pectin (APN) was supplied from C&G (Jasło, Poland). Calcium chloride and tris(hydroxymethyl)aminomethane were obtained from Chempur (Piekary Śląskie, Poland). Hydrochloric acid was bought in StanLab (Lublin, Poland). Polyacrylic acid (PA) was delivered from Lubrizol (Brumach, Belgium) and ammonium acryloyldimethyltaurate (AX) from CLARIANT (Muttenz, Switzerland). Polyethylene glycol (PEG) 4000 was a gift from the local industry Hasco-Lek (Wrocław, Poland). Thirty percent dispersion of polyvinyl acetate stabilized with polyvinylpyrrolidone and sodium lauryl sulfate (PVAC-D) was supplied from BASF (Ludwigshafen, Germany). A blend of polyvinyl acetate and povidone in the ratio 8:2 (PVAC-P) was supplied from BASF (Ludwigshafen, Germany). The 5-aminosalicylic acid (5-ASA) was obtained from Sigma–Aldrich (St. Louis, MO, USA) and pectinase was bought in BROWIN (Łódź, Poland). All reagents were of analytical grade and were applied without additional purification.
Polyvinyl acetate
Manufactured by BASF
Sourced in Germany
Polyvinyl acetate is a synthetic polymer commonly used in various laboratory applications. It is a water-soluble, thermoplastic resin with a wide range of properties, including adhesive, emulsifying, and film-forming capabilities. Polyvinyl acetate is often utilized as a binder, adhesive, or coating material in laboratory settings.
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2 protocols using polyvinyl acetate
1
Amidated Pectin-Based Drug Delivery
2
Chitosan-Based Tamoxifen Delivery System
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Chitosan (CS) (low molecular weight poly N-acetyl glucosamine, viscosity average MWt was around 10 kDa, with Degree of deacetylation, DDA > 98%) was a gift from Jordanian Pharmaceutical Manufacturing Co., PLC, Jordan. Tamoxifen citrate was a gift from RAM Pharmaceutical Industries Co., Jordan. Soluplus® (SP) (triblock graft copolymer comprising polyvinyl caprolactam (57%), polyvinyl acetate (30%), and polyethylene glycol (13%) having a molecular weight ranging from 90 to 140 kDa, and with HLB value ∼14.0) was obtained from BASF, Germany. Glutaraldehyde was purchased from Sigma-Aldrich, USA. All other chemicals and reagents were of analytical grade and ultrapure water was used throughout the work.
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