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Oy Aboatech Ab

Esa-Matti Lilius

Seppo Salminen

Erika Isolauri

Marko Virta

Jari Nuutila

The present invention relates to differential diagnostics, and provides a method for determining if an infection detected in a patient is of bacterial or of viral origin. In the method chemiluminescence of phagocytic cells induced by non-opsonized zymosan in a blood sample is measured and the expression of Complement Receptor 1 (cr1) is determined. The value when multiplying chemiluminescence with the CR1 expression is compared with method-specific average values for bacterial and viral infections. The invention also provides test kits for accomplishing the method of the invention.

Method for determining the nature of an infection

The invention is a method of assessing growth and death rates of micro-organisms within a time period environment of interest. Two reporter genes coding for luminescent and/or fluorescent products introduced into the micro-organism produce at least two products which luminesce or fluoresce. They include, either an essentially stable product produced in an essentially known proportion to the total amount of cells of the micro-organism that are or have been alive within a time period, a product present in an essentially known proportion to the amount of cells alive at any moment within the time period, or an essentially stable product produced in an essentially known proportion to the total amount of cells of the micro-organism that have died within the time period. The micro-organism is incubated and luminescence and/or fluorescence is detected after at time period. Finally, the growth and death rates of the micro-organism are assessed.

Method to enable assessment of growth and death of micro-organisms

Method for detecting allergy

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Kaarina, Finland

Esa-Matti Lilius