H. Stevens

Publications73
h-index21
Citations2,866
Highly Influential Citations88
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Wound healing dressings and drug delivery systems: a review.
The variety of wound types has resulted in a wide range of wound dressings with new products frequently introduced to target different aspects of the wound healing process. The ideal dressing should… Expand
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In vitro drug release studies of polymeric freeze-dried wafers and solvent-cast films using paracetamol as a model soluble drug.
Drug dissolution and release characteristics from freeze-dried wafers and solvent-cast films prepared from sodium carboxymethylcellulose (CMC) have been investigated to determine the mechanisms of… Expand
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Comparison of the Rates of Disintegration, Gastric Emptying, and Drug Absorption Following Administration of a New and a Conventional Paracetamol Formulation, Using γ Scintigraphy
AbstractPurpose. To investigate the hypothesis that faster drug absorption from a new paracetamol formulation containing sodium bicarbonate compared to that from a conventional formulation results… Expand
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Development and mechanical characterization of solvent-cast polymeric films as potential drug delivery systems to mucosal surfaces
Solvent-cast films from three polymers, carboxymethylcellulose (CMC), sodium alginate (SA), and xanthan gum, were prepared by drying the polymeric gels in air. Three methods, (a) passive hydration,… Expand
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Assessing gastrointestinal motility and disintegration profiles of magnetic tablets by a novel magnetic imaging device and gamma scintigraphy.
PURPOSE To validate Magnetic Moment Imaging (MMI) for the investigation of gastrointestinal transit and disintegration of solid dosage forms and to correlate the MMI findings with the corresponding… Expand
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Lyophilised wafers as a drug delivery system for wound healing containing methylcellulose as a viscosity modifier.
Lyophilised wafers have potential as drug delivery systems for suppurating wounds. A dual series of wafers made from low molecular weight sodium alginate (SA) and xanthan gum (XG) respectively,… Expand
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Nasal residence of insulin containing lyophilised nasal insert formulations, using gamma scintigraphy.
Bioadhesive dosage forms are a potential method for overcoming rapid mucociliary transport in the nose. A lyophilised nasal insert formulation previously investigated in sheep demonstrated prolonged… Expand
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Evaluation of Pulsincap to provide regional delivery of dofetilide to the human GI tract.
Pulsincap formulations designed to deliver a dose of drug following a 5-h delay were prepared to evaluate the capability of the formulation to deliver dofetilide to the lower gastrointestinal (GI)… Expand
  • 83
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Evaluation of the Clearance of a Sublingual Buprenorphine Spray in the Beagle Dog Using Gamma Scintigraphy
PurposeThe aim of this study was to evaluate clearance from the buccal cavity and pharmacokinetic profiles of a sublingual spray formulation in the dog, to assist in interpretation of future… Expand
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Comparison of the in vitro release characteristics of mucosal freeze-dried wafers and solvent-cast films containing an insoluble drug
Drug release characteristics of freeze-dried wafers and solvent-cast films prepared from sodium carboxymethylcellulose have been investigated and compared. In vitro drug dissolution studies were… Expand
  • 26
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