Helene Jonassen

Senior Lecturer - Department of Pharmacy
Image of Helene Jonassen
Norwegian version of this page
Phone +47-22854212
Mobile phone 98073977 +47-98073977
Room 036
Visiting address Sem Sælands vei 3 Farmasibygningen 0371 OSLO
Postal address Postboks 1068 Blindern 0316 OSLO
Other affiliations School of Pharmacy

Academic Interests

Drug delivery and drug targeting

Quality assurance and quality control in pharmaceutical production


Higher education 

Ph.D. - University of Oslo, 2014

Cand.pharm. - University of Oslo, 2007


Member, Programme Council (part 1), School of Pharmacy (2017-)

Substitute member, Study committee, School of Pharmacy (2017-)

Tags: Life Science, Pharmaceutics, Drug formulation, Drug delivery, Bionanotechnology, Bioadhesion, Polymers, Nanoparticles, Microparticles


  • Jonassen, Helene; Treves, Alessandro; Kjøniksen, Anna-Lena; Smistad, Gro & Hiorth, Marianne (2013). Preparation of Ionically Cross-Linked Pectin Nanoparticles in the Presence of Chlorides of Divalent and Monovalent Cations. Biomacromolecules.  ISSN 1525-7797.  14(10), s 3523- 3531 . doi: 10.1021/bm4008474
  • Klemetsrud, Therese; Jonassen, Helene; Hiorth, Marianne; Kjøniksen, Anna-Lena & Smistad, Gro (2013). Studies on pectin-coated liposomes and their interaction with mucin. Colloids and Surfaces B: Biointerfaces.  ISSN 0927-7765.  103, s 158- 165 . doi: 10.1016/j.colsurfb.2012.10.012
  • Jonassen, Helene; Kjøniksen, Anna-Lena & Hiorth, Marianne (2012). Effects of ionic strength on the size and compactness of chitosan nanoparticles. Colloid and Polymer Science.  ISSN 0303-402X.  290(10), s 919- 929 . doi: 10.1007/s00396-012-2604-3
  • Jonassen, Helene; Kjøniksen, Anna-Lena & Hiorth, Marianne (2012). Stability of Chitosan Nanoparticles Cross-Linked with Tripolyphosphate. Biomacromolecules.  ISSN 1525-7797.  13(11), s 3747- 3756 . doi: 10.1021/bm301207a
  • Jonassen, Helene & Kjøniksen, Anna-Lena (2011). Optical-scattering method for the determination of the local polymer concentration inside nanoparticles. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics.  ISSN 1063-651X.  84(2), s 022401 . doi: 10.1103/PhysRevE.84.022401
  • Rassu, G; Gavini, E; Jonassen, Helene; Zambito, Y; Fogli, S; Breschi, MC & Giunchedi, P (2009). New Chitosan Derivatives for the Preparation of Rokitamycin Loaded Microspheres Designed for Ocular or Nasal Administration. Journal of Pharmaceutical Sciences.  ISSN 0022-3549.  98(12), s 4852- 4865 . doi: 10.1002/jps.21751

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  • Jonassen, Helene; Kjøniksen, Anna-Lena & Hiorth, Marianne (2013). Polysaccharide-based Nanoparticles as a Drug Delivery System - Preparation and Physico-chemial Characterization.
  • Yip, Wai Lam; Jonassen, Helene; Kjøniksen, Anna-Lena & Hiorth, Marianne (2013). Preparation of chitosan nanoparticles – a multivariate approach.
  • Jonassen, Helene; Kjøniksen, Anna-Lena & Hiorth, Marianne (2012). Compactness of chitosan nanoparticles and implications in drug delivery.
  • Jonassen, Helene; Kjøniksen, Anna-Lena & Hiorth, Marianne (2012). Polysakkarid-baserte nanopartikler som legemiddelform.
  • Kjøniksen, Anna-Lena; Jonassen, Helene & Hiorth, Marianne (2012). Chitosan Nanoparticles for Drug Delivery Applications.
  • Klemetsrud, Therese & Jonassen, Helene (2012). 11th US-Japan Symposium: Drug Delivery Systems. Kjemi.  ISSN 0023-1983.  (2), s 11- 13
  • Jonassen, Helene; Kjøniksen, Anna-Lena & Hiorth, Marianne (2011). Adjustment of solvent salinity in the preparation of chitosan nanoparticles – effects on important particle characteristics.
  • Kjøniksen, Anna-Lena & Jonassen, Helene (2011). Determination of Particle Compactness of Polymer Nanoparticles, and the Effect on Drug Release Rates.
  • Gavini, Elisabetta; Rassu, Giovanna; Jonassen, Helene; Juliano, Claudia; Di Colo, Giacomo; Zambito, Ylenia & Giunchedi, Paolo (2007). Spray-dried microspheres based on new chitosan derivatives for the encapsulation of rokitamycin: preliminary studies (Abstr.no. 216).
  • Jonassen, Helene; Karlsen, Jan; Gavini, Elisabetta; Giunchedi, Paolo & Rassu, Giovanna (2007). Study of chitosan microspheres for nasal administration of the antiamoebic drug rokitamycin.

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Published June 16, 2014 3:13 PM - Last modified Oct. 27, 2017 12:51 PM