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Sampling device

A technology for analyzing devices and samples, which is applied in sampling devices, sampling, measuring devices, etc., and can solve problems such as unknown spheres.

Inactive Publication Date: 2006-11-08
GLOBAL TECH NZ
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is estimated that this may be the reason why there is no known collection device with a sphere in the socket

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0094] Example 1: Transferring fluid into an absorbent container

[0095] adopted with figure 1 A series of tests were carried out with a sampling device of the invention similar to that shown. The barrier 10 is composed of a porous glass filter, the absorbent material 11 is composed of a hydrophilic resin, the sphere and the support are polypropylene. The sampling surface consisted of water-soaked gauze in small petri dishes. Color the water with food coloring. The ball was rolled 1-2 times on the surface and the fluid was observed to saturate the absorbent resin 11 rapidly. Because of the translucent nature of the device and the colored fluid, this extraction can be confirmed visually. The device was weighed before and after the test. It is also shown that the extraction of fluid is proportional to the volume of the absorbent resin. A device filled with 100 mg of hydrophilic resin will absorb approximately 45 mg of fluid, and without absorbent resin, the device will ab...

Embodiment 2

[0096] Example 2: Delivery of a sample onto the surface of a sphere

[0097] Under the premise of the following improvements, using the same figure 1 A series of tests were carried out with a sampling device of the invention similar to that shown. The device is free of absorbent resin and glass filters and is segmented behind the sphere, allowing access to the inner surface of the sphere.

[0098] (a) Biopsy of meat

[0099] The device is rolled over moist gauze containing a biopsy section of fleshy tissue. Rolling causes tissue fragmentation. The sample is delivered into the device by rolling on the gauze surface. Using adenylate kinase as a marker enzyme, for biological activity, the inner face of the sphere was enzymatically sampled. The inner sphere is contacted with 20 μl of fluid. The fluid was then removed and analyzed for the presence or absence of adenylate kinase using luciferase bioluminescence. Roll the device on moist gauze without a meat biopsy section and...

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PUM

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Abstract

A method and a device for collecting a sample of material from a surface. A ball (2) within a socket (3) such that the ball is free to rotate in any direction. As the ball rolls across the surface the sample of material is collected by the ball and is transferred by the ball to a collection reservoir (not shown) via the conduit (14). An absorbent material may be placed in space (11) and a filter (10) in the outlet (9) is permeable to fluid but not absorbent material.

Description

technical field [0001] The present invention relates to a method and apparatus for collecting a sample of material from a surface. In particular, the present invention relates to a device with a ball mounted in a socket so that the ball can rotate freely in any direction, allowing the ball to roll over the entire surface. As the sphere rolls across the surface, a sample of material is collected by the sphere and passed through the sphere to a collection container. The sample can be analyzed in the collection container, or can be transferred to another location in the device or to another device for analysis. The invention also includes methods of collecting samples using such devices. Background technique [0002] In many technical fields, samples of materials, especially samples of fluid materials or materials suspended in fluids, must be withdrawn from surfaces for subsequent analysis. There are a variety of known devices that can be used for this purpose, but many have...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B10/00A61B10/02B01L3/00B01L3/02B01L99/00C12M1/28C12Q1/24G01N1/02G01N1/10
CPCA61B10/00A61B10/0045A61B10/0064A61B2010/0216B01L3/021B01L3/5027B01L3/502715B01L2200/027B01L2200/10B01L2300/0636B01L2300/16G01N2001/028
Inventor 默里·弗雷德里克·布鲁姆
Owner GLOBAL TECH NZ