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Encapsulação da rifampicina em matrizes poliméricas flutuantes obtidas por liofilização a partir de metilcelulose e ftalato de hidroxipropilmetilcelulose. Avaliação da liberação in vitro
(2001-12-01)
Floating multiparticles for oral administration with different compositions were studied from a matricial polymeric system to obtain sustained release. The polymers used in the multiparticles constitution were methylceullose ...
Colloidal carriers for ophthalmic drug delivery
(Bentham Science Publ Ltd, 2005-05-01)
To achieve effective drug concentration at the intended site for a sufficient period of time is a requisite desired for many drug formulations. For drugs intended to ocular delivery, its poor bioavailability is due to ...
Colloidal carriers for ophthalmic drug delivery
(Bentham Science Publ Ltd, 2005-05-01)
To achieve effective drug concentration at the intended site for a sufficient period of time is a requisite desired for many drug formulations. For drugs intended to ocular delivery, its poor bioavailability is due to ...
LC Evaluation of In Vitro Release of AZT from Microemulsions
(Vieweg, 2009-06-01)
A reversed phase LC method was developed and validated to analyze the in vitro release of AZT from microemulsions. A mobile phase of acetonitrile:water (15:85) was used. The method validation showed good selectivity and ...
LC Evaluation of In Vitro Release of AZT from Microemulsions
(Vieweg, 2009-06-01)
A reversed phase LC method was developed and validated to analyze the in vitro release of AZT from microemulsions. A mobile phase of acetonitrile:water (15:85) was used. The method validation showed good selectivity and ...
Polyacrylic acid polymers hydrogels intended to topical drug delivery: preparation and characterization
(Informa Healthcare, 2015-06-01)
Context: Bioadhesiviness of polyacrylic acid polymers make them promising hydrogels to design topical drug delivery systems, allowing a close contact with biological substrate as well as an enhanced local concentration ...
Encapsulação da rifampicina em matrizes poliméricas flutuantes obtidas por liofilização a partir de metilcelulose e ftalato de hidroxipropilmetilcelulose. Avaliação da liberação in vitro
(2001-12-01)
Floating multiparticles for oral administration with different compositions were studied from a matricial polymeric system to obtain sustained release. The polymers used in the multiparticles constitution were methylceullose ...
A long-term controlled drug-delivery with anionic beta cyclodextrin complex in layer-by-layer coating for percutaneous implants devices
(2021-04-01)
This study demonstrated a drug-delivery system with anionic beta cyclodextrin (β-CD) complexes to retain tetracycline (TC) and control its release from multilayers of poly(acrylic acid) (PAA) and poly(l-lysine) (PLL) in a ...
PLGA based drug delivery systems (DDS) for the sustained release of insulin: Insight into the protein/polyester interactions and the insulin release behavior
(John Wiley & Sons Ltd, 2010-12)
BACKGROUND: Drug delivery systems (DDS) were designed using insulin as model drug and poly (lactic-co-glycolic) copolymers (PLGA) as polymeric matrix. The carriers were synthesized by direct self-assembly of the insulin ...
Modeling a system of phosphated cross-linked high amylose for controlled drug release. Part 2: Physical parameters, cross-linking degrees and drug delivery relationships
(Elsevier B.V., 2009-04-17)
High amylose cross-linked to different degrees with sodium trimetaphosphate by varying base strength (2% or 4%) and contact time (0.5-4 h) was evaluated as non-compacted systems for sodium diclophenac controlled release. ...