M. D. de Villiers

发表

Poly(amidoamine) Dendrimers as a Pharmaceutical Excipient. Are We There yet?

D. Otto, M. D. de Villiers, 2018, Journal of pharmaceutical sciences.

Preparation and physicochemical properties of niclosamide anhydrate and two monohydrates.

M. D. de Villiers, W. Liebenberg, E. C. van Tonder, 2004, International journal of pharmaceutics.

Encapsulation of drug nanoparticles in self-assembled macromolecular nanoshells.

M. D. de Villiers, A. Zahr, M. Pishko, 2005, Langmuir : the ACS journal of surfaces and colloids.

Comparison of the aqueous solubilization of practically insoluble niclosamide by polyamidoamine (PAMAM) dendrimers and cyclodextrins.

M. D. de Villiers, M. Brits, W. Liebenberg, 2005, International journal of pharmaceutics.

Differences in physicochemical properties to consider in the design, evaluation and choice between microparticles and nanoparticles for drug delivery

D. Otto, M. D. de Villiers, A. Otto, 2015, Expert opinion on drug delivery.

Structural characterization, physicochemical properties, and thermal stability of three crystal forms of nifedipine.

M. D. de Villiers, M. Caira, Mingna Song, 2003, Journal of pharmaceutical sciences.

The solubilization of the poorly water soluble drug nifedipine by water soluble 4-sulphonic calix[n]arenes.

M. D. de Villiers, Wenzhan Yang, Melgardt M de Villiers, 2004, European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V.

Physicochemical Characterization of Hydrated 4-Sulphonato-Calix[n]arenes: Thermal, Structural, and Sorption Properties

M. D. de Villiers, M. Brits, W. Liebenberg, 2005 .

Correlation between in vitro release from topical delivery vehicles and microbicidal activity of triclosan.

A. P. Lötter, M. D. de Villiers, W. Liebenberg, 2006, Die Pharmazie.

In Vitro Skin Delivery of Griseofulvin by Layer-by-Layer Nanocoated Emulsions Stabilized by Whey Protein and Polysaccharides

D. Otto, M. D. de Villiers, A. Otto, 2022, Pharmaceutics.

Introduction to nanocoatings produced by layer-by-layer (LbL) self-assembly.

Y. Lvov, D. Otto, M. D. de Villiers, 2011, Advanced drug delivery reviews.

Paclitaxel Encapsulated in Halloysite Clay Nanotubes for Intestinal and Intracellular Delivery.

V. Vinokurov, Y. Lvov, R. Fakhrullin, 2017, Journal of pharmaceutical sciences.

Application of halloysite clay nanotubes as a pharmaceutical excipient.

V. Vinokurov, Y. Lvov, D. Otto, 2017, International journal of pharmaceutics.

The Relationship Between Surface Adsorption and the Hydrolysis of Amitraz in Anionic Surfactant Solutions

M. D. de Villiers, W. Liebenberg, W. Kolling, 2005, Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes.

Fluorimetric method of analysis for D-norpseudoephedrine hydrochloride, glycine and L-glutamic acid by reversed-phase high-performance liquid chromatography.

M. D. de Villiers, J. D. du Preez, E. Swanepoel, 1996, Journal of chromatography. A.

Application of differential scanning calorimetry and high performance liquid chromatography to determine the effects of mixture composition and preparation during the evaluation of niclosamide-excipient compatibility.

A. P. Lötter, M. D. de Villiers, C. E. Malan, 1997, Journal of Pharmaceutical and Biomedical Analysis.

Compounding rifampin suspensions with improved injectability for nasogastric enteral feeding tube administration.

M. D. de Villiers, L. Vogel, Monica C Bogenschutz, 2010, International journal of pharmaceutical compounding.

The effect of polymorphism on powder compaction and dissolution properties of chemically equivalent oxytetracycline hydrochloride powders.

A. P. Lötter, M. D. de Villiers, W. Liebenberg, 1999, Drug development and industrial pharmacy.

Identification of the mebendazole polymorphic form present in raw materials and tablets available in South Africa.

A. P. Lötter, M. D. de Villiers, W. Liebenberg, 1998, Drug development and industrial pharmacy.

A radioimmunoassay for metoclopramide.

M. D. de Villiers, P. V. van Jaarsveld, B. J. van der Walt, 1987, Journal of immunological methods.

What is the future of heated transdermal delivery systems?

D. Otto, M. D. de Villiers, 2014, Therapeutic delivery.

Nanoparticle multilayers: surface modification of photosensitive drug microparticles for increased stability and in vitro bioavailability.

Y. Lvov, M. D. de Villiers, L. Tiedt, 2006, Journal of nanoscience and nanotechnology.

Physical transformation of niclosamide solvates in pharmaceutical suspensions determined by DSC and TG analysis.

M. D. de Villiers, W. Liebenberg, E. C. van Tonder, 2004, Die Pharmazie.

Preparation and transformation of true nifedipine polymorphs: investigated with differential scanning calorimetry and X-Ray diffraction pattern fitting methods.

M. D. de Villiers, W. Liebenberg, D. Grooff, 2011, Journal of pharmaceutical sciences.

Preparation and characterization of directly compactible layer-by-layer nanocoated cellulose.

Wilna Liebenberg, Y. Lvov, D. Otto, 2011, International journal of pharmaceutics.

Structure-Solubility Relationship and Thermal Decomposition of Furosemide

M. D. de Villiers, S. Malan, J. G. van der Watt, 2000, Drug development and industrial pharmacy.

Comparing HPLC and UV Spectrophotometric Analysis Methods for Determining the Stability of Sorbic Acid in Nonionic Creams Containing Lactic Acid

M. D. de Villiers, J. Bergh, 2000, Drug development and industrial pharmacy.

Solid State Concerns During Drug Discovery and Development: Thermodynamic and Kinetic Aspects of Crystal Polymorphism and the Special Cases of Concomitant Polymorphs, Co-Crystals and Glasses.

D. Otto, M. D. de Villiers, 2017, Current drug discovery technologies.

Cocrystals of nicotinamide and (R)-mandelic acid in many ratios with anomalous formation properties.

Lian Yu, M. D. de Villiers, Si-wei Zhang, 2013, Journal of the American Chemical Society.

Effect of para-sulfonato-calix[n]arenes on the solubility, chemical stability, and bioavailability of a water insoluble drug nifedipine.

D. Otto, M. D. de Villiers, W. Liebenberg, 2008, Current drug discovery technologies.

Controlled Release of Dexamethasone from Microcapsules Produced by Polyelectrolyte Layer-by-Layer Nanoassembly

Y. Lvov, M. D. de Villiers, J. Steenekamp, 2005, Pharmaceutical Research.

Inhibiting surface crystallization of amorphous indomethacin by nanocoating.

Lian Yu, M. D. de Villiers, Ye Sun, 2007, Langmuir : the ACS journal of surfaces and colloids.

Poly(amidoamine) dendrimer-mediated synthesis and stabilization of silver sulfonamide nanoparticles with increased antibacterial activity.

D. Otto, M. D. de Villiers, W. Liebenberg, 2013, Nanomedicine : nanotechnology, biology, and medicine.

Improving the aqueous solubility of triclosan by solubilization, complexation, and in situ salt formation.

M. D. de Villiers, W. Liebenberg, Wenzhan Yang, 2003, Journal of cosmetic science.

The dissolution and complexing properties of ibuprofen and ketoprofen when mixed with N-methylglucamine.

M. D. de Villiers, W. Liebenberg, S. Malan, 1999, Drug development and industrial pharmacy.

Comparison of the Physical and Chemical Stability of Niclosamide Crystal Forms in Aqueous Versus Nonaqueous Suspensions

A. P. Lötter, M. D. de Villiers, W. Liebenberg, 2004, Drug development and industrial pharmacy.

Development of microporous drug-releasing films cast from artificial nanosized latexes of poly(styrene-co-methyl methacrylate) or poly(styrene-co-ethyl methacrylate).

H. Vosloo, D. Otto, M. D. de Villiers, 2008, European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V.

Solvent and Surfactant Enhanced Solubilization, Stabilization, and Degradation of Amitraz

M. D. de Villiers, W. Liebenberg, C. V. van Eeden, 2004, Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes.

Effect of viscosity and concentration of wall former, emulsifier and pore-inducer on the properties of amoxicillin microcapsules prepared by emulsion solvent evaporation.

M. D. de Villiers, W. Liebenberg, Mingna Song, 2005, Farmaco.

Physicochemical Stability of Compounded Creams Containing a-Hydroxy Acids.

M. D. de Villiers, K. Narsai, J. G. van der Watt, 2000, International journal of pharmaceutical compounding.

Isothermal and Dynamic Microcalorimetry for Quantifying the Crystallization of an Amorphous Drug during Interactive Powder Mixing

M. D. de Villiers, W. Liebenberg, Mingna Song, 2005 .

The effect of temperature and moisture on the amorphous-to-crystalline transformation of stavudine.

Lian Yu, M. D. de Villiers, W. Liebenberg, 2009, International journal of pharmaceutics.

Physicochemical Properties of Amorphous Roxithromycin Prepared by Quench Cooling of the Melt or Desolvation of a Chloroform Solvate

M. D. de Villiers, W. Liebenberg, M. M. Villiers, 2012, AAPS PharmSciTech.

Variable-temperature X-ray powder diffraction analysis of the crystal transformation of the pharmaceutically preferred polymorph C of mebendazole.

M. D. de Villiers, W. Liebenberg, Mingna Song, 2005, Journal of pharmaceutical and biomedical analysis.

Characterization of Zopiclone Crystal Forms Found Among Generic Raw Materials

A. P. Lötter, M. D. de Villiers, W. Liebenberg, 2000, Drug development and industrial pharmacy.

Application of Size Exclusion Chromatography in the Development and Characterization of Nanoparticulate Drug Delivery Systems

H. Vosloo, D. Otto, M. D. de Villiers, 2007 .

Effect of pH on the solubility and release of furosemide from polyamidoamine (PAMAM) dendrimer complexes.

D. Otto, M. D. de Villiers, R. A. Hill, 2007, International journal of pharmaceutics.

The effect of PAMAM dendrimer generation size and surface functional group on the aqueous solubility of nifedipine.

M. D. de Villiers, R. A. Hill, B. Devarakonda, 2004, International journal of pharmaceutics.

Solubility and Dissolution Properties of Generic Rifampicin Raw Materials

A. P. Lötter, M. D. de Villiers, W. Liebenberg, 2000, Drug development and industrial pharmacy.

Crystallization of toxic glycol solvates of rifampin from glycerin and propylene glycol contaminated with ethylene glycol or diethylene glycol.

M. D. de Villiers, S. Bourne, M. Caira, 2011, Molecular pharmaceutics.

All‐atomistic molecular dynamics (AA‐MD) studies and pharmacokinetic performance of PAMAM‐dendrimer‐furosemide delivery systems

D. Otto, M. D. de Villiers, 2018, International journal of pharmaceutics.

Coarse-Grained Molecular Dynamics (CG-MD) Simulation of the Encapsulation of Dexamethasone in PSS/PDDA Layer-by-Layer Assembled Polyelectrolyte Nanocapsules

D. Otto, M. D. de Villiers, 2020, AAPS PharmSciTech.

Layer-by-Layer Nanocoating of Antiviral Polysaccharides on Surfaces to Prevent Coronavirus Infections

D. Otto, M. D. de Villiers, 2020, Molecules.

Prevention of Biofilm Formation by Methacrylate-Based Copolymer Films Loaded With Rifampin, Clarithromycin, Doxycycline Alone or in Combination

D. Otto, M. D. de Villiers, M. Aucamp, 2014, Pharmaceutical Research.

Why is the nanoscale special (or not)? Fundamental properties and how it relates to the design of nano-enabled drug delivery systems

D. Otto, M. D. de Villiers, 2013 .

Nano-encapsulation of furosemide microcrystals for controlled drug release.

Y. Lvov, M. D. de Villiers, Hua Ai, 2003, Journal of controlled release : official journal of the Controlled Release Society.

Experimental and mesoscale computational dynamics studies of the relationship between solubility and release of quercetin from PEG solid dispersions.

D. Otto, M. D. de Villiers, A. Otto, 2013, International journal of pharmaceutics.

Influence of cohesive properties of micronized drug powders on particle size analysis.

M. D. de Villiers, 1995, Journal of pharmaceutical and biomedical analysis.

Dissolution Properties of Piroxicam Powders and Capsules as a Function of Particle Size and the Agglomeration of Powders

M. D. de Villiers, W. Liebenberg, E. Swanepoel, 2000, Drug development and industrial pharmacy.

Developing a discriminating dissolution test for three mebendazole polymorphs based on solubility differences.

M. D. de Villiers, W. Liebenberg, B. Devarakonda, 2003, Die Pharmazie.

Quality evaluation of generic drugs by dissolution test: changing the USP dissolution medium to distinguish between active and non-active mebendazole polymorphs.

M. D. de Villiers, W. Liebenberg, E. Swanepoel, 2003, European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V.

Dissipative Particle Dynamics Investigation of the Transport of Salicylic Acid through a Simulated In Vitro Skin Permeation Model

D. Otto, M. D. de Villiers, L. Tiedt, 2018, Pharmaceuticals.

Development and Validation of an HPLC Method Involving Solid‐Phase Extraction for the Analysis of Hydrophobic Drugs in the Presence of Polyamidoamine (PAMAM) Dendrimers

M. D. de Villiers, B. Devarakonda, 2005 .

Diverse Modes of Solvent Inclusion in Crystalline Pseudopolymorphs of the Anthelmintic Drug Niclosamide

A. P. Lötter, M. D. de Villiers, M. Caira, 1998 .

Characterization of polymorph transformations that decrease the stability of tablets containing the WHO essential drug mebendazole.

M. D. de Villiers, M. Brits, W. Liebenberg, 2010, Journal of pharmaceutical sciences.

Effect of a Change in Crystal Polymorph on the Degree of Adhesion Between Micronized Drug Particles and Large Homogenous Carrier Particles During an Interactive Mixing Process

M. D. de Villiers, Mingna Song, 2005, Pharmaceutical development and technology.

Photostability of crystalline versus amorphous nifedipine and nimodipine.

E. Ferg, M. D. de Villiers, D. Grooff, 2013, Journal of pharmaceutical sciences.

Characterization of the Solubility and Dissolution Properties of Several New Rifampicin Polymorphs, Solvates, and Hydrates

A. P. Lötter, M. D. de Villiers, W. Liebenberg, 2001, Drug development and industrial pharmacy.

Experimental and mesoscale computational dynamics studies of the relationship between solubility and release of quercetin from PEG solid dispersions.

D. Otto, M. D. de Villiers, A. Otto, 2013, International journal of pharmaceutics.

Crystallization of toxic glycol solvates of rifampin from glycerin and propylene glycol contaminated with ethylene glycol or diethylene glycol.

M. D. de Villiers, S. Bourne, M. Caira, 2011, Molecular pharmaceutics.