US4857152A
Expired / Lapsed
US
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Peroxide electrodes
Assignee: Medisense Inc
•
Filing: 1988-05-19
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Granted: 1989-08-15
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Expires: 2008-05-19
Abstract
Abstract Hydrogen peroxide can be detected using a pyrolytic graphite edge electrode when cytochrome c peroxidase and an aminoglycoside are both present in the system.
Inventors
- 👤 Fraser A. Armstrong
- 👤 Anthony M. Lannon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:33
CPC Classifications
C; C12; C12Q; C12Q1/00; C12Q1/001; C12Q1/005; Y; Y10; Y10S; Y10S435/00; Y10S435/817
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
24 words
A hydrogen peroxide-sensitive electrode comprising a pyrolytic graphite edge electrode at least partially coated with a mixture of an aminoglycoside and cytochrome c peroxidase.
Claim 2
Dependent Claim
24 words
A hydrogen peroxide-sensitive electrode comprising a pyrolytic graphite edge electrode at least partially coated with a mixture of an aminoglycoside and cytochrome c peroxidase.
Claim 3
Dependent Claim
18 words
The electrode of claim 1 wherein said aminoglycoside is selected from the group consisting of gentamycin and neomycin.
Claim 4
Dependent Claim
21 words
The electrode of claim 1 wherein said aminoglycoside is selected from the group consisting of gentamycin C 1a and neomycin B.
Claim 5
Dependent Claim
13 words
The electrode of claim 1 wherein said mixture is freeze-dried onto said electrode.
Claim 6
Dependent Claim
10 words
Hydrogen peroxide detection apparatus comprising the electrode of claim 1.
Claim 7
Dependent Claim
20 words
A kit comprising a pyrolytic graphite edge electrode, cytochrome c peroxidase and an aminoglycoside, for use in assaying hydrogen peroxide.
Claim 8
Dependent Claim
20 words
A kit comprising a pyrolytic graphite edge electrode, cytochrome c peroxidase and an aminoglycoside, for use in assaying hydrogen peroxide.
Claim 9
Dependent Claim
13 words
The kit of claim 6 wherein said aminoglycoside is pre-coated on said electrode.
Claim 10
Dependent Claim
18 words
The kit of claim 6 wherein said aminoglycoside is selected from the group consisting of gentamycin and neomycin.
Claim 11
Dependent Claim
21 words
The kit of claim 6 wherein said aminoglycoside is selected from the group consisting of gentamycin C 1a and neomycin B.
Claim 12
Independent Claim
43 words
A method for electrolytic detection of hydrogen peroxide comprising the steps of: (a) bringing a pyrolytic graphite edge electrode, together with an aminoglycoside and cytochrome c peroxidase, into association with a sample suspected of containing hydrogen peroxide; and (b) detecting the current generated.
Claim 13
Independent Claim
43 words
A method for electrolytic detection of hydrogen peroxide comprising the steps of: (a) bringing a pyrolytic graphite edge electrode, together with an aminoglycoside and cytochrome c peroxidase, into association with a sample suspected of containing hydrogen peroxide; and (b) detecting the current generated.
Claim 14
Dependent Claim
18 words
The method of claim 10 wherein said aminoglycoside is selected from the group consisting of gentamycin and neomycin.
Claim 15
Dependent Claim
21 words
The method of claim 10 wherein said aminoglycoside is selected from the group consisting of gentamycin C 1a and neomycin B.
References Cited (Backward Citations)
DE3342977A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-08-14 | 1993-02-13 | 1993-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-08-14 | 1997-02-13 | 1997-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-08-14 | 2001-02-13 | 2001-08-15 | $7700.00 | Window Closed / Lapsed |