Mike Tobyn

ORCID: 0000-0003-0856-7821
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About
Contact & Profiles
Research Areas
  • Drug Solubulity and Delivery Systems
  • Inhalation and Respiratory Drug Delivery
  • Crystallization and Solubility Studies
  • Microencapsulation and Drying Processes
  • Granular flow and fluidized beds
  • Protein purification and stability
  • Adsorption, diffusion, and thermodynamic properties of materials
  • Advanced Cellulose Research Studies
  • Powder Metallurgy Techniques and Materials
  • Electrohydrodynamics and Fluid Dynamics
  • Injection Molding Process and Properties
  • Analytical Chemistry and Chromatography
  • Advanced Drug Delivery Systems
  • Mineral Processing and Grinding
  • Spectroscopy and Chemometric Analyses
  • Polysaccharides Composition and Applications
  • Innovative Microfluidic and Catalytic Techniques Innovation
  • Advanced NMR Techniques and Applications
  • Scientific Measurement and Uncertainty Evaluation
  • Fluid Dynamics and Mixing
  • Fluid Dynamics and Heat Transfer
  • NMR spectroscopy and applications
  • Process Optimization and Integration
  • Hydrogels: synthesis, properties, applications
  • Advancements in Transdermal Drug Delivery

Bristol-Myers Squibb (United Kingdom)
2014-2024

Bristol-Myers Squibb (United States)
2016

Bristol-Myers Squibb (Germany)
2009-2015

University of Bath
1996-2008

Vectura (United Kingdom)
2004

University of Strathclyde
1997

Atomic force microscopy (AFM) was used to investigate drug-carrier interactions between beclometasone dipropionate (BDP) and a series of untreated modified lactose surfaces. This quantitative information correlated with bulk characterization methods an in-vitro study. Modified surfaces were prepared using proprietary process referred as "particle smoothing" obtain smooth carrier or without the presence magnesium stearate. The engineering particle smoothing resulted in significant differences...

10.1211/002235702760345400 article EN Journal of Pharmacy and Pharmacology 2002-10-01

Microcrystalline cellulose (MCC) is regarded as one of the most versatile tablet filler binders, finding a wide use in both granulation and direct compression operations. It has been shown that MCC particle populations consist mixture 'rod like' primary particles, agglomerates, proportion these particles agglomerates differs within different grades materials, contributing to bulk properties materials. However, not previously fully elucidated, their contribution performance factors such flow...

10.3109/10837450.2010.495395 article EN Pharmaceutical Development and Technology 2010-06-21

The bioavailability of insoluble crystalline active pharmaceutical ingredients (APIs) can be enhanced by formulation as amorphous solid dispersions (ASDs). One the key factors ASD stabilization is formation drug–polymer interactions at molecular level. Here, we used a range multidimensional and multinuclear nuclear magnetic resonance (NMR) experiments to identify these in acetaminophen (paracetamol)/hydroxypropylmethylcellulose acetyl succinate (HPMC-AS) ASDs various drug loadings. At low...

10.1021/acs.molpharmaceut.1c00427 article EN Molecular Pharmaceutics 2021-08-10

Amorphous forms of poorly soluble drugs are more frequently being incorporated into solid dispersions for administration and extensive research has led to a reasonable understanding how these dispersions, although still kinetically unstable, improve stability relative the pure amorphous form. There remains however paucity literature describing effects on such subsequent processing dosage as tablets. This paper addresses this area by looking at addition common excipients different...

10.3109/10837450.2011.619544 article EN Pharmaceutical Development and Technology 2012-01-23
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