Methods and apparatuses are provided for inactivation of microorganisms in fluids or on surfaces. Preferably the fluids contain blood or blood products and comprise biologically active proteins. Preferred methods include the steps of adding an effective, non-toxic amount of a photosensitizer to a fluid and exposing the fluid to photoradiation sufficient to activate the photosensitizer whereby microorganisms are inactivated.

 
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< Polynucleotides encoding a novel human G-protein coupled receptor splice variant HGPRBMY29sv1

< Method of vaccination comprising linear and circular expression elements

> -L-2-deoxy-nucleosides for the treatment of hepatitis B

> Deoxyribonuclease, gene encoding same and use thereof

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