The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 03, 2016

Filed:

Oct. 01, 2009
Applicants:

Ida Erling, Turku, FI;

Raimo Harju, Turku, FI;

Inventors:

Ida Erling, Turku, FI;

Raimo Harju, Turku, FI;

Assignee:

Wallac Oy, Turku, FI;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/31 (2006.01); G01N 21/25 (2006.01); B01L 3/00 (2006.01);
U.S. Cl.
CPC ...
G01N 21/253 (2013.01); B01L 3/5085 (2013.01); G01N 21/31 (2013.01); B01L 2300/0654 (2013.01); B01L 2300/0681 (2013.01);
Abstract

The invention relates to a method and apparatus for detecting elution of a sample from a sample substrate to incubation buffer contained in a sample well while the sample substrate is still within the well. The method comprises measuring light absorption of the contents of the sample well at a predefined wavelength or wavelength range, and determining, based on the absorption measurement, the degree of elution of the sample. According to the invention, a wavelength or wavelength range is used which is absorbed by at least one elutable component of the sample but transmitted by the sample substrate. The invention provides a reliable way of determining the degree of elution of blood samples in neonatal screening, for example.


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