Search Results - "Verhoef, J. Coos"
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Preparation of coated nanoparticles for a new mucosal vaccine delivery system
Published in International journal of pharmaceutics (11-08-2005)“…It has been found that the adsorption of antigens onto chitosan particles is an easy and unique mild loading process suitable to be used with vaccines. In…”
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N -Trimethyl chitosan (TMC) nanoparticles loaded with influenza subunit antigen for intranasal vaccination: Biological properties and immunogenicity in a mouse model
Published in Vaccine (02-01-2007)“…Abstract In this study, the potential of N -trimethyl chitosan (TMC) nanoparticles as a carrier system for the nasal delivery of a monovalent influenza subunit…”
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3
Chitosan microparticles for mucosal vaccination against diphtheria: oral and nasal efficacy studies in mice
Published in Vaccine (28-03-2003)“…In this study, the ability of chitosan microparticles to enhance both the systemic and local immune responses against diphtheria toxoid (DT) after oral and…”
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4
Nasal mucociliary clearance as a factor in nasal drug delivery
Published in Advanced drug delivery reviews (05-01-1998)“…The nasal mucociliary clearance system transports the mucus layer that covers the nasal epithelium towards the nasopharynx by ciliary beating. Its function is…”
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5
Comparison of the effect of different chitosan salts and N-trimethyl chitosan chloride on the permeability of intestinal epithelial cells (Caco-2)
Published in Journal of controlled release (23-01-1998)“…A partially quaternized chitosan derivative, N-trimethyl chitosan chloride (TMC) (degree of quaternization 12.28%), was synthesized and the effects of this…”
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6
Peroral delivery systems based on superporous hydrogel polymers: release characteristics for the peptide drugs buserelin, octreotide and insulin
Published in European journal of pharmaceutical sciences (01-06-2002)“…Novel peroral peptide drug delivery systems based on superporous hydrogel (SPH) and SPH composite (SPHC) have recently been developed in our laboratory. In…”
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Transport of octreotide and evaluation of mechanism of opening the paracellular tight junctions using superporous hydrogel polymers in Caco-2 cell monolayers
Published in Journal of pharmaceutical sciences (01-03-2004)“…The purpose of this study was to investigate the mechanism of opening of tight junctions in Caco-2 cell monolayers using superporous hydrogel (SPH) and SPH…”
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8
Modulation of Immune Response to Group C Meningococcal Conjugate Vaccine Given Intranasally to Mice Together with the LTK63 Mucosal Adjuvant and the Trimethyl Chitosan Delivery System
Published in The Journal of infectious diseases (01-03-2004)“…Previous work had shown that the immunogenicity of conjugate vaccine against group C meningococci (CRM-MenC) is enhanced when it is delivered intranasally…”
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The nasal mucociliary clearance : relevance to nasal drug delivery
Published in Pharmaceutical research (01-07-1991)“…Mucociliary clearance is an important physiological defense mechanism of the respiratory tract to protect the body against noxious inhaled materials. This…”
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10
Confocal laser scanning microscopic visualization of the transport of dextrans after nasal administration to rats : Effects of absorption enhancers
Published in Pharmaceutical research (01-05-1997)“…To visualize the transport pathway(s) of high molecular weight model compounds across rat nasal epithelium in vivo using confocal laser scanning microscopy…”
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11
The concomitant use of the LTK63 mucosal adjuvant and of chitosan-based delivery system enhances the immunogenicity and efficacy of intranasally administered vaccines
Published in Vaccine (08-09-2003)“…In this paper we evaluated chitosan microparticles as a vaccine delivery system as well as the mucosal adjuvant LTK63, a nontoxic Escherichia coli enterotoxin…”
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12
In vitro evaluation of intestinal absorption of desmopressin using drug-delivery systems based on superporous hydrogels
Published in International journal of pharmaceutics (28-01-2004)“…The aim of this study was to investigate and modify the potential of drug-delivery systems based on superporous hydrogel (SPH) for improving the intestinal…”
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13
Effects of the mucoadhesive polymer polycarbophil on the intestinal absorption of a peptide drug in the rat
Published in Journal of pharmacy and pharmacology (01-05-1992)“…The absorption across rat intestinal tissue of the model peptide drug 9-desglycinamide, 8-arginine vasopressin from bioadhesive formulations was studied…”
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14
Uptake of melatonin into the cerebrospinal fluid after nasal and intravenous delivery: studies in rats and comparison with a human study
Published in Pharmaceutical research (01-05-2004)“…To investigate the possibility of direct transport of melatonin from the nasal cavity into the cerebrospinal fluid (CSF) after nasal administration in rats and…”
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15
Uptake of estradiol or progesterone into the CSF following intranasal and intravenous delivery in rats
Published in European journal of pharmaceutics and biopharmaceutics (01-07-2004)“…The uptake of estradiol and progesterone into the cerebrospinal fluid (CSF) after intranasal and intravenous administration in rats was investigated. Each…”
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N-trimethyl chitosan chloride as a potential absorption enhancer across mucosal surfaces : In vitro evaluation in intestinal epithelial cells (Caco-2)
Published in Pharmaceutical research (01-09-1997)“…Previous studies have established that chitosan hydrochloride and glutamate are potent absorption enhancers for large hydrophilic compounds across mucosal…”
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17
Serial cerebrospinal fluid sampling in a rat model to study drug uptake from the nasal cavity
Published in Journal of neuroscience methods (30-04-2002)“…Drug transport from the nasal cavity to the brain has gained much interest in the last decade. In the present study, a model was developed to determine the…”
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Intestinal absorption of octreotide using trimethyl chitosan chloride: Studies in pigs
Published in Pharmaceutical research (01-06-2001)“…To investigate the enhancing effect of trimethyl chitosan chloride (TMC) on the enteral absorption of octreotide and to delineate the required doses of both…”
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Protective immune responses to meningococcal C conjugate vaccine after intranasal immunization of mice with the LTK63 mutant plus chitosan or trimethyl chitosan chloride as novel delivery platform
Published in Journal of drug targeting (01-09-2005)“…Chitosan and its derivative N-trimethyl chitosan chloride (TMC), given as microparticles or powder suspensions, and the non-toxic mucosal adjuvant LTK63, were…”
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Peroral absorption of octreotide in pigs formulated in delivery systems on the basis of superporous hydrogel polymers
Published in Pharmaceutical research (01-10-2002)“…The aim of this study was to investigate the enhancement of peroral octreotide absorption using delivery systems based on superporous hydrogel (SPH) and SPH…”
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