Prof. Raphael Johnson

Associate Professor


Dept: Pharmaceutics
Room B103
Department of Pharmaceutics
Faculty of Pharmacy and Pharmaceutical Sciences

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Research Areas/Interests

Structure investigation of pharmaceutical, biological macromolecules and membranes using combined dynamic light scattering and neutron scattering. ...~more


Research Projects (Current and Past)

  1. Co-investigator, Qualitative and quantitative assessment of cryptolepis-based herbal formulations within Accra and Kumasi metropolis in Ghana, 2016 – 2017.
  2. Principal Investigator, Structure evaluation of formulations by Hydrophilic Solubilisation Technology (HST) using combined dynamic light scattering (DLS) and small angle neutron scattering (SANS). Funded by Deutscher Akademischer Austausch Dienst (DAAD), German Ministry of Science and Education (BMBF), grant 05KS7UMA, The Forshungszentrum Jülich (FZJ), outstation at FRM II, Garching-Munich and Government of Ghana, 2012 – 2015.
  3. Co-Investigator, Development of bio-relevant media for in vitro drug delivery development. Funded by Deutscher Akademischer Austausch Dienst (DAAD), German Ministry of Science and Education (BMBF), grant 05KS7UMA, The Forshungszentrum Jülich (FZJ), outstation at FRM II, Garching-Munich and Government of Ghana, 2012 – 2015.
  4. Co-investigator, Nanoparticle structure development of model gastrointestinal fluid. Funded by Deutscher Akademischer Austausch Dienst (DAAD), German Ministry of Science and Education (BMBF), grant 05KS7UMA, The Forshungszentrum Jülich (FZJ), outstation at FRM II, Garching-Munich and Government of Ghana, 2012 – 2015.
  5. Principal Investigator, Development of plants with medicinal properties into suitable dosage forms, 2003 – 2012
  6. Principal Investigator, Preservative action of some medicinal plants, 2009 – 2012.


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