Method and device for biomass determination in a medium, in...

Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Biological or biochemical

Reexamination Certificate

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C702S022000, C324S684000

Reexamination Certificate

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07930110

ABSTRACT:
Method for biomass determination in a medium, in particular a medium containing biological cells suspended in a conductive fluid, the biomass concentration (X) being obtained from a difference between a first capacitance signal (C′1) of the medium, measured at a first frequency, and a second capacitance signal (C′2) of the medium, measured at a second frequency. The method includes a separate correction of each of the measured signals, based at least on one correction level, the first correction level including a correction of the signals measured in accordance with a model dependent on the conductance of the medium at the first and second frequencies. The invention is useful in biomass measurement systems.

REFERENCES:
patent: 4214203 (1980-07-01), Coster et al.
patent: 4810650 (1989-03-01), Kell et al.
patent: 4965206 (1990-10-01), Kell
patent: 5551281 (1996-09-01), Todd
patent: 6496020 (2002-12-01), Davey et al.
patent: 0 281 602 (1988-09-01), None
patent: 0 282 532 (1988-09-01), None
patent: 0 620 919 (1994-10-01), None
patent: 1 085 316 (2001-03-01), None
patent: 1 138 758 (2001-10-01), None
patent: 2 812 725 (2002-02-01), None
patent: 2 835 921 (2003-08-01), None
patent: WO 88/02114 (1988-03-01), None
patent: WO 88/02115 (1988-03-01), None
patent: WO 93/14402 (1993-07-01), None
Yardley, J.E., et al., “Correction of the Influence of Baseline Artefacts and Electrode Polarisation on Dielectric Spectra”, Bioelectrochemistry, 2000, vol. 51, Elsevier, Document A.
Biomass Monitor ‘Model 214M’User Manual, Jan. 26, 1998, Document B.
Biomass Monitor ‘Model 214A’User Manual, Mar. 11, 1994, Document C.
Carvell, J.P., “On-Line Biomass Monitoring with Scanning Radio-Frequency Impedance Spectroscopy”, World Class Brewing Congress 2004, Jul. 24-28, 2004, Document D.
EPO Notification of 3rd Party Observation dated Nov. 12, 2010 from EP05798517.8.

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