Unit of Work Environment Toxicology

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Our research ranges from basic, mechanistic research in cell systems, over computer modeling and applied research with human volunteers to practical applications.

The aim is to explore areas central to toxicological risk assessment, with focus on the work environment, indoor air and chemical disasters. One theme is acute effects and toxicokinetics, another concerns the physiological role of the Ah-receptor.

The research areas are:

  • Human exposure chamber: toxicokinetics and subtle acute effects
  • Toxicity models: PBPK, dermal uptake, population models, dose-response, QSAR
  • The physiological role of the Ah receptor: in vitro and clinical studies

Expert Committees

We participate in a number of expert committees that evaluate chemical hazards in the workplace as well as releases during chemical accidents. Evaluations are performed on national and international basis in close collaboration with other Swedish, Nordic, European and American experts.

Head of Unit


Gunnar Johanson

Phone: +46-(0)8-524 877 52
Organizational unit: Work environmental toxicology
E-mail: Gunnar.Johanson@ki.se


Unit members

Anna-Karin AlexandrieAssociated
Annika CalghebornAdministrator
Ulrika CarlanderPhD student
Elevpraktikant Associated
Mishra DwivediPhD student
Lena ErnstgårdSenior researcher
Koustav GangulySenior researcher
Gunnar JohansonProfessor
Mia JohanssonAssociated
Stephanie Anja JuranPostdoc
Jill JärnbergAssociated
Johnny LorentzenAssociate professor
Johan MonteliusAssociated
Tshepo MotoAssociated
Agneta RannugProfessor emeritus
Joakim RingblomPhD student
Linda SchenkPostdoc
Bengt SjögrenSenior researcher
Urban SvedbergAssociated
Emma VincentAssociated
Carolina VogsPostdoc
Mattias ÖbergSenior researcher