M. Alex Brown

  • Adjunct Professor of Physics


Ph.D. Radiochemistry, Oregon State University
M.S. Radiation Physics, Oregon State University
B.S. Chemical Engineering, Ohio State University

Research Interests

Medical Isotopes

Nuclear Fuel Reprocessing

Inorganic Chemistry


Gelis et al, Nature ResearchScientific Reports2019, 9:12842.    

Brown et al, Inorganica Chimica Acta2018482, 118-121.    

Tkac et al, Separation Science & Technology201853, 1856-1863.    

Tkac et al, Industrial & Engineering Chemistry Research201857, 5661-5669.    

Breshears et al, Inorganica Chimica Acta2018473, 102-111.    

Rotsch et al, Applied Radiation and Isotopes, 2017131, 77-82.    

Gullekson et al, Industrial and Engineering Chemistry Research, 201756, 12174-12183. 

Youker et al, Industrial and Engineering Chemistry Research, 201756, 11612-11617. 

Brown et al, Procedia Chemistry201621, 167-173.    

Gullekson et al, Inorganic Chemistry201655, 12675-12685.    

Brown et al, Industrial and Engineering Chemistry Research, 201554(2), 712-719. 

Brown et al, Dalton Transactions201443, 6446-6454. 

Brown et al, Inorganic Chemistry201251, 7741-7748. 

Brown et al, Materials Science and Engineering 2010, 1-6.    


Brown et al, Separation Science Technology201045, 50-57. 


Brown, M.A., Rotsch, D.A., Nolen, J.A. Jr., Gelis, A.V., Youker, A. System and method for collecting and isolating radioisotopes, 2018, US20200082956A1

Rotsch, D., Smith, N.A., Ehst, D.A., Chemerisov, S.D., Nolen, J.A. Jr., Brown, M.A., Grudzinski, J.J., Bailey, J.L., Kmak, R.T. Radioisotope Target Station, 2017.

Nolen J.A. Jr, Brown, M.A., Rotsch, D., Chemerisov, S.D., Henning, H.F., Compact Assembly for Production of Medical Isotopes via Photonuclear Reactions, 2017

Brown, M.A., Rotsch, D.A., Nolen, J.A. Jr., Process for the Separation and Purification of Scandium Medical Isotopes, 2019: Patent No.: 10,344,355 B2.

Gelis, A.V., Brown, M.A., Molybdenum Recovery from Aqueous Nitric Acid Solution by Solvent Extraction, 2019: Patent No.: 10,221,466 B2.



Production of medical isotopes using accelerators

Aqueous chemistry and separations of isotopes with applications in nuclear power, nuclear medicine, and national security

Nuclear waste