Methods and systems for delivery of fluidic samples to sensor arrays
First Claim
1. A method for simultaneously measuring a plurality of biological or chemical analytes in a fluid, said method comprising the steps of:
- providing a substrate comprising a plurality of sensor elements, each said sensor element responding to at least one of said plurality of analytes;
providing at least one light source for directing light onto said sensor elements;
delivering metered quantities of said fluid to each said sensor element;
detecting a response from said sensor elements;
recording said response into a digital record;
processing said digital record; and
utilizing said digital record to determine a concentration of each said analyte in said fluid.
2 Assignments
0 Petitions
Accused Products
Abstract
Total analysis systems and methods for simultaneously monitoring a suite of biological and/or chemical species in water and/or other process systems are disclosed. The system provides a sample-volume controlled sensor array comprising a fluid delivery device and a plurality of optical sensor elements for determining the presence and total concentrations of multiple analytes in the process system simultaneously. Delivery means are provided to deliver a metered quantity of sample fluid to the sensor array. Image identification algorithms are provided for identifying the analytes based on image intensity, color pattern, positional arrangement, and the like. The methods incorporate multivariate optimization algorithms to analyze multiple sensor responses. This produces analytical results that are typically difficult to obtain without full system or variable compensation. The improved array response may then be utilized to measure, monitor, and control the concentration of analytes in the chemical or biological sample or water system.
-
Citations
23 Claims
-
1. A method for simultaneously measuring a plurality of biological or chemical analytes in a fluid, said method comprising the steps of:
-
providing a substrate comprising a plurality of sensor elements, each said sensor element responding to at least one of said plurality of analytes;
providing at least one light source for directing light onto said sensor elements;
delivering metered quantities of said fluid to each said sensor element;
detecting a response from said sensor elements;
recording said response into a digital record;
processing said digital record; and
utilizing said digital record to determine a concentration of each said analyte in said fluid. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
-
12. A system for simultaneously measuring a plurality of biological or chemical analytes in a fluid, said system comprising:
-
a substrate comprising a plurality of sensor elements, each said sensor element responding to at least one of said plurality of analytes;
at least one light source for directing light onto said sensor elements;
a detector means for detecting a response from said sensor elements, said detector means adapted to convert said response into a digital record;
an image identification algorithm for identifying said at least one analyte based on said digital record;
a software-based optimization algorithm for utilizing said digital record to produce an analysis result; and
a delivery means for delivering metered quantities of said fluid to each said sensor element. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
-
Specification