2020
DOI: 10.1002/macp.202000178
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Modifying the Properties of Thermogelling Poloxamer 407 Solutions through Covalent Modification and the Use of Polymer Additives

Abstract: Thermoresponsive polymers that undergo sol-gel transition in a physiological temperature range have been drawing attention for biomedical applications as drug delivery systems.Poloxamer P407 is commonly used as thermogelling material and has already been approved by the Food and Drug Administration (FDA) in licenced medicines. However, its solutions have significant drawbacks which limit its performance, particularly in drug delivery systems.In order to improve these properties, the chemical structure of P407 … Show more

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(2 citation statements)
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“…Poloxamer 407 is an FDA-approved amphiphilic polymeric surfactant approved for oral, parenteral, and topical (vaginal, dermal, and ocular routes). 18 , 19 , 20 , 21 Poloxamer 407 is commonly used in various ocular formulations. Interestingly, Poloxamer 407-coated nanoparticles (NPs) of size ∼200 nm have shown the capability to penetrate through the mucin layer present at various mucosal surfaces including the eye.…”
Section: Introductionmentioning
confidence: 99%
“…Poloxamer 407 is an FDA-approved amphiphilic polymeric surfactant approved for oral, parenteral, and topical (vaginal, dermal, and ocular routes). 18 , 19 , 20 , 21 Poloxamer 407 is commonly used in various ocular formulations. Interestingly, Poloxamer 407-coated nanoparticles (NPs) of size ∼200 nm have shown the capability to penetrate through the mucin layer present at various mucosal surfaces including the eye.…”
Section: Introductionmentioning
confidence: 99%
“…However, P407 gels will be retained on the nail plate for a shorter period as compared to nail lacquer due to insufficient gel strength, weak stability and fast dissolution of the gels [ 16 ]. Drug loading capacity and gel strength of P407 gels may be improved either with the functional additives or by applying a chemical modification/conjugation approach [ 16 , 17 , 18 ]. Chemical modification and conjugation with crosslinker/polymers require costly and lengthy toxicity testing.…”
Section: Introductionmentioning
confidence: 99%