JPS63172948U - - Google Patents
Info
- Publication number
- JPS63172948U JPS63172948U JP6550887U JP6550887U JPS63172948U JP S63172948 U JPS63172948 U JP S63172948U JP 6550887 U JP6550887 U JP 6550887U JP 6550887 U JP6550887 U JP 6550887U JP S63172948 U JPS63172948 U JP S63172948U
- Authority
- JP
- Japan
- Prior art keywords
- diffusion
- limiting membrane
- fixing member
- enzyme electrode
- opening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000012528 membrane Substances 0.000 claims description 11
- 238000009792 diffusion process Methods 0.000 claims description 3
- 102000004190 Enzymes Human genes 0.000 claims 5
- 108090000790 Enzymes Proteins 0.000 claims 5
- 239000005871 repellent Substances 0.000 claims 3
- 239000013543 active substance Substances 0.000 claims 1
- 230000002940 repellent Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Description
第１図はこの考案の拡散制限膜固定部材の一実
施例を示す平面図、第２図は縦断面図、第３図は
バイオセンサの要部を示す平面図、第４図は縦断
面図、第５図は装着動作を説明する図、第６図は
他の実施例を示す縦断面図。
１……薄板、４……開口、５……拡散制限膜。
Fig. 1 is a plan view showing an embodiment of the diffusion-limiting membrane fixing member of this invention, Fig. 2 is a longitudinal sectional view, Fig. 3 is a plan view showing the main parts of the biosensor, and Fig. 4 is a longitudinal sectional view. , FIG. 5 is a diagram for explaining the mounting operation, and FIG. 6 is a longitudinal sectional view showing another embodiment. 1... Thin plate, 4... Opening, 5... Diffusion limiting membrane.
Claims (1)
拡散制限膜を圧着状態で取付ける拡散制限膜固定
部材であつて、所定位置に測定対象溶液透過用の
開口が形成されているとともに、開口の壁面が親
水性であるとともに、拡散制限膜固定部材の一面
の開口を中心とする所定範囲が撥水性であり、か
つ、他方の面に対して拡散制限膜が固定されてい
ることを特徴とする酵素電極における拡散制限膜
固定部材。 ２ 拡散制限膜固定部材が全体として撥水性のも
のであるとともに、開口の壁面が親水性処理を施
されたものである上記実用新案登録請求の範囲第
１項記載の酵素電極における拡散制限膜固定部材
。 ３ 拡散制限膜が全体として親水性のものである
とともに、測定対象液滴下面が撥水性処理を施さ
れたものである上記実用新案登録請求の範囲第１
項記載の酵素電極における拡散制限膜固定部材。 ４ 拡散制限膜固定部材が一端部を把持部とした
平板材である上記実用新案登録請求の範囲第１項
から第３項の何れかに記載の酵素電極における拡
散制限膜固定部材。[Claims for Utility Model Registration] 1. A diffusion-limiting membrane fixing member for attaching a diffusion-limiting membrane under pressure to an enzyme electrode on which a physiologically active substance is immobilized, which has an opening at a predetermined position for permeation of a solution to be measured. In addition, the wall surface of the opening is hydrophilic, a predetermined area around the opening on one side of the diffusion-limiting membrane fixing member is water-repellent, and the diffusion-limiting membrane is fixed to the other side. A diffusion-limiting membrane fixing member for an enzyme electrode, characterized in that: 2. Diffusion limiting membrane fixing in the enzyme electrode according to claim 1 of the above-mentioned utility model registration claim, wherein the diffusion limiting membrane fixing member is water repellent as a whole and the wall surface of the opening has been subjected to hydrophilic treatment. Element. 3. Claim 1 of the above-mentioned utility model registration, in which the diffusion-limiting membrane is hydrophilic as a whole, and the lower surface of the droplet to be measured is treated to be water-repellent.
Diffusion-limiting membrane fixing member in the enzyme electrode described in 2. 4. The diffusion-limiting membrane-fixing member in an enzyme electrode according to any one of claims 1 to 3, wherein the diffusion-limiting membrane-fixing member is a flat plate member with one end as a gripping portion.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6550887U JPH0519807Y2 (en) | 1987-04-30 | 1987-04-30 | |
| US07/423,533 US4929330A (en) | 1987-03-31 | 1989-10-16 | Diffusion-limiting membrane holding means for sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6550887U JPH0519807Y2 (en) | 1987-04-30 | 1987-04-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63172948U true JPS63172948U (en) | 1988-11-10 |
| JPH0519807Y2 JPH0519807Y2 (en) | 1993-05-25 |
Family
ID=30902643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6550887U Expired - Lifetime JPH0519807Y2 (en) | 1987-03-31 | 1987-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0519807Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024005025A1 (en) * | 2022-07-01 | 2024-01-04 | Ｐｈｃホールディングス株式会社 | Sensor and method for manufacturing same |
-
1987
- 1987-04-30 JP JP6550887U patent/JPH0519807Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024005025A1 (en) * | 2022-07-01 | 2024-01-04 | Ｐｈｃホールディングス株式会社 | Sensor and method for manufacturing same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0519807Y2 (en) | 1993-05-25 |