Method of determining adenovirus particle concentration

C - Chemistry – Metallurgy – 12 – Q

Patent

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Details

C12Q 1/70 (2006.01) C12N 7/02 (2006.01) C12Q 1/04 (2006.01) C12Q 1/06 (2006.01) C12Q 1/68 (2006.01) G01N 15/06 (2006.01) G01N 21/33 (2006.01)

Patent

CA 2476447

The invention discloses a simple, accurate and reproducible method of determining viral particle concentration, especially for any serotype of adenovirus. More specifically, an accurate absorptivity/extinction coefficient in units of viral particles per milliliter per absorbance unit per centimeter (vp/mL-AU-cm) for a sample virus, such as adenovirus, at 260 nanometers (nm) is disclosed, as well as an ultraviolet (UV) absorbance method to determine virus particle concentrations based on this established absorptivity/extinction coefficient and absorbances at 260 nm for purified virus preparations, such as adenovirus preparations.

L'invention concerne un procédé simple, précis et reproductible permettant de déterminer une concentration de particules virales, notamment pour un sérotype quelconque d'adénovirus. Plus précisément, l'invention concerne un coefficient d'absorptivité/extinction précis en unités de particules virales par millimètre par unité d'absorbance par centimètre(vp/mL-AU-cm) destiné à un virus échantillon, tel qu'un adénovirus, à 260 nanomètres (nm), ainsi qu'un procédé d'absorbance dans l'ultraviolet (UV) permettant de déterminer des concentrations de particules virales en fonction de ce coefficient d'absorptivité/extinction établi et des absorbances à 260 nm pour des préparations virales purifiées, telles que des préparations d'adénovirus.

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