EP1113263A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Microsphere containing sensor
Assignee: Roche Diagnostics Operations Inc
•
Filing: 2000-12-19
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Granted: —
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Expires: 2020-12-19
Abstract
Abstract A sensor strip comprises an electrode substrate, an electrode set, on the electrode substrate, and microspheres. The sensor strip allows for a smaller sample volume and maintain a more uniform flow profile through the sample channel.
Inventors
- 👤 Raghbir Singh Bhullar
- 👤 Brian S. Hill
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-05 11:12
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/28; G01N27/30; G01N27/327; G01N27/3271; G01N27/3272
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
19 words
A sensor strip, comprising: (a) an electrode substrate, (b) an electrode set, on said electrode substrate, and (c) microspheres.
Claim 2
Dependent Claim
14 words
The sensor strip of Claim 1, wherein said microspheres are on said electrode set.
Claim 3
Dependent Claim
37 words
The sensor strip of Claim 1, further comprising: (d) a cover, on said electrode set, wherein said cover, said electrode set , and said electrode substrate together define a
channel, and said microspheres are in said channel.
Claim 4
Dependent Claim
25 words
The sensor strip of Claim 2 or 3, wherein said microspheres comprise at least one
member selected from the group consisting of ceramics or polymers.
Claim 5
Dependent Claim
14 words
The sensor strip of Claim 4, wherein said microspheres comprise glass, silica or latex.
Claim 6
Dependent Claim
13 words
The sensor strip of Claim 2, further comprising: (e) reagent on said microspheres.
Claim 7
Dependent Claim
13 words
The sensor strip of Claim 3, further comprising: (e) reagent on said microspheres.
Claim 8
Dependent Claim
33 words
The sensor strip of Claim 3 or 7, further comprising: (f) a dielectric, on said electrode substrate, wherein said dielectric, said cover, said electrode set, and said electrode substrate
together define said channel.
Claim 9
Dependent Claim
14 words
The sensor strip of Claim 2 or 3, wherein said microspheres are homogeneously
hydrophilic.
Claim 10
Dependent Claim
20 words
The sensor strip of Claim 6 or 7, wherein said microspheres have an average diameter
of 1 to 300 µm.
Claim 11
Dependent Claim
39 words
In a sensor strip, including an electrode substrate, an electrode set on said electrode
substrate, and a dielectric on said electrode substrate, which together define a channel,
the improvement comprising: microspheres in said channel and/or on said electrode
set.
Claim 12
Dependent Claim
23 words
The sensor strip of Claim 11, wherein said microspheres comprise at least one member
selected from the group consisting of ceramics or polymers.
Claim 13
Dependent Claim
12 words
The sensor strip of Claim 12, further comprising: reagent on said microspheres.
Claim 14
Independent Claim
30 words
A method of making a sensor strip, comprising: forming an electrode set on an electrode substrate; forming a channel leading to said electrode set; and inserting microspheres into said channel.
Claim 15
Dependent Claim
26 words
The method of Claim 14, wherein said forming a channel comprises: forming a dielectric on said electrode substrate; and covering said electrode set with a cover.
Claim 16
Dependent Claim
12 words
The method of Claim 14, further comprising: coating said microspheres with reagent.
Claim 17
Dependent Claim
11 words
The method of Claim 14, wherein said microspheres are homogeneously hydrophilic.
Claim 18
Dependent Claim
17 words
The method of Claim 14, wherein said microspheres have an average diameter of 1 to
300 µm.
Claim 19
Dependent Claim
22 words
The method of Claim 14, wherein said microspheres comprise at least one member
selected from the group consisting of ceramics or polymers.
Claim 20
Dependent Claim
13 words
The method of Claim 19, wherein said microspheres comprise glass, silica or latex.
Claim 21
Dependent Claim
32 words
Packaged sensor strips, comprising: a plurality of the sensor strips of one of Claims 1 to 13, a vial, containing said plurality of said sensor strips, and a stopper, sealing said vial.
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