Microbial identification from feces and urine in one step by two-photon excitation assay technique. Koskinen JM et al. J Immunol Methods. 2018;460:113–118.

A Novel Antibody Avidity Methodology for Rapid Point-of-Care Serological Diagnosis. Smolander H, et al. Journal of Virological Methods. 2010;166:86–91.

Two Photon Excitation Fluorometry in Detection of Infectious Diseases. Koskinen JO. University of Turku, Ph.D. Thesis, IBN 978-951-29-3695-3, ISSN 0082-7002, Turku, Suomi 2008.

Separation-Free Assay for Thyroid-Stimulating Hormone with Femtomolar Sensitivity. Koskinen JO, et al. Clin. Chem. Lab. Med. 2007;45, Special Supplement, sivut S1–S473, tieteellinen tiivistelmä M228.

A Novel Separation-Free Assay Technique for Serum Antibodies Using Antibody Bridging Assay Principle and Two-Photon Excitation Fluorometry. Koskinen JO, et al. Journal of Immunological Methods. 2006;309:11–24. 

Dipyrrylmetheneboron Difluorides as Labels in Two-photon Excited Fluorometry. Meltola NJ. University of Turku, Ph.D. Thesis, ISBN 951-29-2955-4, Turku, Suomi 2005.

Fluorescent Nanoparticles as Labels for Immunometric Assay of C-reactive Protein Using Two-Photon Excitation Assay Technology. Koskinen JO, et al. Analytical Biochemistry. 2004;328:210–218. 

Detection Methods of Microsphere Based Single-Step Bioaffinity and In-Vitro Diagnostics Assays. Soini JT, et al. Journal of pharmaceutical and biomedical analysis. 2004;34:763–770.

Syntheses of Novel Dipyrrylmethene-BF2 Dyes and Their Performance as Labels in Two-Photon Excited Fluoroimmunoassay. Meltola NJ, et al. Journal of fluorescence. 2004;14:129–138. 

Two-Photon Excitation Fluorometric Measurement of Homogeneous Microparticle Immunoassay for C-reactive Protein. Waris ME, et al. Analytical biochemistry. 2002;309:67–74.

Two-Photon Excitation Microfluorometer for Multiplexed Single-Step Bioaffinity Assays. Soini JT, et al. Review of scientific instruments. 2002; 73:2680–2685.

Development of Instrumentation for Single-Step, Multiplexed, Microvolume Bioaffinity Assays. Soini JT. Department of Medical Physics and Chemistry, Institute of Biomedicine, University of Turku, Ph.D. Thesis, ISBN 951-29-2074-3, ISSN 0082-7002, Turku, Suomi 2002.

A New Microvolume Technique for Bioaffinity Assays Using Two-Photon Excitation. Hänninen PE, et al. Nat Biotechnol. 2000;18:548–50.

Two-Photon Fluorescence Excitation in Detection of Biomolecules. Soini E, et al. Biochemical society transactions. 2000;28:70–74 Osa 2.