Sensor, detection method, detection system, and detection apparatus
US-2016187358-A1 · Jun 30, 2016 · US
Method for detecting microorganisms and microorganism detecting apparatus
US9103748B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9103748-B2 |
| Application number | US-201113373485-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 16, 2011 |
| Priority date | Mar 10, 2010 |
| Publication date | Aug 11, 2015 |
| Grant date | Aug 11, 2015 |
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Abstract
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It is possible to determine the presence of bacteria in a sample solution in a shorter period of time without changing a conventional incubating method. Bacteria in a sample solution are incubated in, for example, a sterilized agar medium 10 having a layer thickness of 0.1 μm to 1 μm formed on an electrode of a crystal resonator 2 , and an oscillation frequency is measured. When the bacteria proliferate, the mass of the entire crystal resonator 2 increases, and the oscillation frequency decreases. Therefore, by monitoring presence of such a change over time, presence of bacteria in the sample solution can be determined quickly.
First claim
Opening claim text (preview).
What is claimed is: 1. A method for detecting microorganisms, comprising: providing a piezoelectric vibrator having electrodes formed on both faces; supplying a culture medium layer, which is an absorption layer, on the electrode on one face side of the piezoelectric vibrator, wherein the culture medium layer comprises a sterilized agar medium having a layer thickness of 0.1 μm to 1 μm, and a sample solution in which microorganisms which are detection targets are mixed; and os…
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Physics · mapped topic
Physics · mapped topic
- G01N5/02Primary
Physics · mapped topic
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- What does patent US9103748B2 cover?
- It is possible to determine the presence of bacteria in a sample solution in a shorter period of time without changing a conventional incubating method. Bacteria in a sample solution are incubated in, for example, a sterilized agar medium 10 having a layer thickness of 0.1 μm to 1 μm formed on an electrode of a crystal resonator 2 , and an oscillation frequency is measured. When the bacteria…
- Who is the assignee on this patent?
- Koyama Mitsuaki, Wakamatsu Shunichi, Shinobu Wakako, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification G01N5/02. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Aug 11 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).