EP1656558A2 - Element support pour l'analyse d'une substance - Google Patents

Element support pour l'analyse d'une substance

Info

Publication number
EP1656558A2
EP1656558A2 EP04764285A EP04764285A EP1656558A2 EP 1656558 A2 EP1656558 A2 EP 1656558A2 EP 04764285 A EP04764285 A EP 04764285A EP 04764285 A EP04764285 A EP 04764285A EP 1656558 A2 EP1656558 A2 EP 1656558A2
Authority
EP
European Patent Office
Prior art keywords
carrier element
biological
code
defined areas
chemical substances
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.)
Withdrawn
Application number
EP04764285A
Other languages
German (de)
English (en)
Inventor
Mirko Lehmann
Ulrich Sieben
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TDK Micronas GmbH
Original Assignee
TDK Micronas GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TDK Micronas GmbH filed Critical TDK Micronas GmbH
Publication of EP1656558A2 publication Critical patent/EP1656558A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/54—Labware with identification means
    • B01L3/545—Labware with identification means for laboratory containers
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
    • G06K19/06037—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking multi-dimensional coding
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16B—BIOINFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR GENETIC OR PROTEIN-RELATED DATA PROCESSING IN COMPUTATIONAL MOLECULAR BIOLOGY
    • G16B25/00—ICT specially adapted for hybridisation; ICT specially adapted for gene or protein expression
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00277—Apparatus
    • B01J2219/0054—Means for coding or tagging the apparatus or the reagents
    • B01J2219/00542—Alphanumeric characters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00277—Apparatus
    • B01J2219/0054—Means for coding or tagging the apparatus or the reagents
    • B01J2219/00547—Bar codes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00277—Apparatus
    • B01J2219/0054—Means for coding or tagging the apparatus or the reagents
    • B01J2219/00554—Physical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00583—Features relative to the processes being carried out
    • B01J2219/00603—Making arrays on substantially continuous surfaces
    • B01J2219/00659—Two-dimensional arrays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00—Additional constructional details
    • B01L2300/02—Identification, exchange or storage of information
    • B01L2300/021—Identification, e.g. bar codes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00—Additional constructional details
    • B01L2300/08—Geometry, shape and general structure
    • B01L2300/0809—Geometry, shape and general structure rectangular shaped
    • B01L2300/0819—Microarrays; Biochips
    • C—CHEMISTRY; METALLURGY
    • C40—COMBINATORIAL TECHNOLOGY
    • C40B—COMBINATORIAL CHEMISTRY; LIBRARIES, e.g. CHEMICAL LIBRARIES
    • C40B70/00—Tags or labels specially adapted for combinatorial chemistry or libraries, e.g. fluorescent tags or bar codes

Definitions

  • the invention relates to a carrier element for analyzing a substance to be analyzed. Furthermore, the invention relates to a method for producing such carrier elements and an apparatus and a method for reading out such carrier elements.
  • L O are known carrier elements for examining a substance to be analyzed with regard to a specific circumstance. For this purpose, a biological or chemical substance is applied to a carrier element
  • Carrier elements are known, for example, which change color when they come into contact with a liquid in accordance with the pH of the liquid, or carrier elements which, when in contact with urine, indicate by a color change whether there is a pregnancy.
  • Carrier elements coated with an antibody can use a color reaction to demonstrate whether the associated viruses are present in a patient's blood. 5
  • a disadvantage of such carrier elements is that a substance to be analyzed can only be examined with regard to a single circumstance. If a larger number of examinations of a substance to be analyzed is to be carried out, a time-consuming and costly examination by a doctor is necessary, for which a large amount of the substance to be analyzed, for example blood or urine, is required.
  • the object of the invention is to provide a carrier element which is suitable for several examinations and so on enables a comfortable examination method for patients, which saves time and costs at the same time.
  • Such a carrier element implies that smaller amounts of biological or chemical substance are required.
  • the aim of the invention is therefore to provide a method for producing and reading out these carrier elements, which is nevertheless lucrative for the manufacturer of the biological and / or chemical substances.
  • the object of the invention is therefore to provide a method for reading out the carrier elements, which allows the readout to be billed at low cost.
  • Another object of the invention is to provide a device for reading out the carrier elements according to the invention which is suitable for the method according to the invention for reading out the carrier elements.
  • the object of the invention is achieved by a carrier element for analyzing a substance to be analyzed according to patent claim 1, a method for producing carrier elements according to patent claim 12, a device for reading out a carrier element according to patent claim 19 and a method for reading carrier elements according to patent claim 24.
  • At least two are defined on the carrier element according to the invention for analyzing a substance to be analyzed
  • the carrier element additionally being provided with a code which indicates which biological and / or chemical substance is in which defined area.
  • Substances on a carrier element make it possible to carry out several examinations of a substance to be analyzed simultaneously.
  • the required amounts of biological shear and / or chemical substance reduced. It cannot be seen from the carrier element which biological and / or chemical substance is located in which area; this can only be seen from the code which indicates which substance is located in which area.
  • the biological and / or chemical substances in the defined areas are preferably on two different ones
  • the defined areas are preferably arranged differently on two different carrier elements. It is therefore not possible to infer the arrangement of the defined areas of a second support element from the arrangement of the defined areas on one support element. In particular, this configuration of the carrier elements results in an additional possibility of coding.
  • a temperature sensor for detecting the ambient temperature is preferably provided on the carrier element in order to be able to register improper storage of the carrier elements at too high or too low temperatures.
  • the code is a bar code, a numerical or an alphanumeric code or the code is given by the arrangement of the defined areas on the carrier element.
  • the last variant of the code is preferred since there is no space for a bar code on the carrier element, but the code is given by the arrangement of the defined areas.
  • the code preferably provides information for a device which reads out the carrier element about how the device has to read which area. For example, if some biological and / or chemical substances respond in a completely different wavelength range than other biological and / or chemical substances, the
  • Code contain this information and advise the device for reading out to set certain detectors for reading out in accordance with the expected wavelengths to be detected.
  • the code preferably contains information on the expiry date of the carrier element. Certain biological and / or chemical substances react to other substances after a certain period of storage and can no longer be used for the intended examinations.
  • the code can pass on the corresponding information to a device for reading out carrier elements, so that when using a carrier a corresponding warning message can be issued by the readout device after the expiry date.
  • the code of the carrier element contains information about the storage of the carrier element in the time from the production to the use of the carrier element. Certain biological and / or chemical substances must not be stored above or below a certain temperature, as otherwise undesirable reactions take place.
  • the carrier element preferably contains means for detecting the ambient temperature, and when a certain temperature is exceeded or fallen below, these fluctuations are stored in the code. If such a carrier element is nevertheless used for an examination, the device used for reading can recognize from the code that the carrier element has not been properly stored and can issue a corresponding warning message.
  • the carrier element advantageously consists of a film, a glass carrier or a paper.
  • DNA, RNA, proteins or antibodies are preferably used as biological and / or chemical substances. In this way, examinations with regard to bacteria or viruses can be carried out in a wide range.
  • At least one additional coding is provided, which is assigned or can be assigned to a person or a group of people.
  • such an additional coding can be assigned to a patient, so that when this coding is read out, it is automatically recognized to which patient the respective because of the supporting elements.
  • such additional coding can also be used to identify a certain group of people, for example to identify people with diabetes. This is particularly advantageous if such a disease has an effect on the evaluation of the biological or chemical substances reacting with a substance to be analyzed on the carrier element, since this can then be automatically recognized and accordingly taken into account in the evaluation.
  • the assignment to people or groups of people is not limited to patients or groups of patients, but can also be done with regard to other people, such as doctors.
  • the carrier element can first be provided with an additional coding, for example a number or a symbol, which is not assigned to a person or a group of people from the outset, but is assigned to a person or a group of people, eg. B. by assigning a patient a patient number that is already provided as additional coding on carrier elements and subsequently serves to assign these carrier elements to this patient.
  • the additional coding can be assigned to a person or a group of people.
  • carrier elements can alternatively or additionally also be provided with an additional coding which is assigned to a person or a group of people from the outset. This can be, for example, from a patient's or a patient's fingerprint
  • At least one additional coding is integrated in the code that indicates which biological and / or chemical substance is in which of the defined areas.
  • information about the arrangement of the biological and / or chemical substances and the contents of additional codes can be read out simultaneously. If the code describing the arrangement of the biological and / or chemical substances consists, for example, of a bar code, then this can form a section of a more comprehensive bar code, which at the same time comprises additional codes.
  • a further carrier element according to the invention for analyzing a substance to be analyzed, on which biological and / or chemical substances are applied in at least two defined areas has at least one coding which is assigned or can be assigned to a person or a group of people. This is expedient if a code that describes which biological and / or chemical substance is located at which point on the carrier is not required, at least one coding that is assigned or can be assigned to a person or a group of people, however is desirable. This can be the case, for example, if the biological and / or chemical substances are always arranged in the same way on the carrier element.
  • the codes used here correspond to the additional codes described above, so that they too are assigned to a person or a group of people in the above sense. net or assignable.
  • at least one coding can also be formed here by a fingerprint.
  • the method according to the invention for producing carrier elements u comprises the following steps: a. Producing a set of identical carrier elements with a first arrangement of the defined areas and / or a first arrangement of the biological and / or chemical substances in the defined areas, b. Assigning a different code to each of these carrier elements, c. Storing the arrangement of the defined areas and / or the arrangement of the biological and / or chemical substances in the defined areas of the carrier elements and the associated codes, d. Selection of a second arrangement, different from the first arrangement, of the defined areas and / or of the biological and / or chemical substances in the defined areas, e. Carrying out steps a to c for the second arrangement, f. Execution of steps a to c for further arrangements different from the arrangements already used.
  • This manufacturing method ensures that each individual carrier element produced receives a different code and the code with the associated arrangement of the defined areas or the arrangement of the biological and / or chemical substances is stored in the defined areas.
  • a certain number of carrier elements are thus produced which have an identical arrangement of the defined areas or of the biological and / or chemical see substances in the defined areas, but these differ by the corresponding codes, so that no two carrier elements that are identical in all respects are produced and when comparing two carrier elements it is not possible to see which biological and / or chemical substance is arranged in which defined area ,
  • the code is preferably given by simple numbering of the carriers. Such a code is the simplest way of providing the different carrier elements with different codes.
  • the biological and / or chemical substances are preferably printed on the defined areas of the carrier element using a print head in the manner of an inkjet printing process.
  • the carrier elements can be produced at particularly low cost, the defined areas being able to be placed locally on the carrier elements with high accuracy.
  • a set preferably consists of approximately 1,000 to 10,000 carrier elements. Several hundred sets are advantageously produced. In this way, a large number of carrier elements are produced, the carrier elements being available in different configurations.
  • a carrier element is advantageously selected from the different sets and these selected carrier elements are packaged together.
  • carrier elements there are only carrier elements with different arrangements in one package, so that the arrangement on a carrier element cannot be used to infer the arrangement of a second carrier element. Since the different types of packaging are ideally country- which are even distributed worldwide, the likelihood that a consumer will receive carrier elements with identical arrangements (but with different codes) is extremely low.
  • the device according to the invention for reading out a support element according to the invention has at least one optical detector per defined area on the support element, the optical detectors detecting the reactions of the biological and / or chemical substances in the defined areas to the substance to be analyzed as signals -
  • the support element was soon introduced in a reading position with respect to the device.
  • the device preferably has means for acquiring and transmitting the code to an administrative center.
  • the device itself is unable to move from the code to the
  • the device To close the arrangement of the carrier element read out, since the arrangement of the defined areas and / or the arrangement of the biological and / or chemical substances in the defined areas of the carrier elements and the associated codes are not stored in the device for reading out. It is therefore necessary to transmit the code to an administrative center, with which the corresponding arrangement for the code read out is determined.
  • the device itself is only the m Able to recognize in which defined area a reaction of the biological and / or chemical substances to the substance to be analyzed has taken place, but it is not able to indicate which biological and / or chemical substance has reacted.
  • the optical detectors of the device are preferably semiconductor chips.
  • Means for digitizing the detected signals and / or means for transmitting the detected signals to the administrative center are preferably provided in the device in order to optimally process the detected signals further.
  • the method according to the invention for reading out a carrier element according to the invention using a device for reading out a carrier element according to the invention includes the following steps: a. Applying a substance to be analyzed to the carrier element, b. Bringing the carrier element into the reading position with respect to the device for reading the carrier element, c. Transmission of the code of the carrier element to an administrative center, d. Evaluation of the code and determination of the associated arrangement in the administrative center.
  • Carrier elements or the biological and / or chemical substances and / or the health insurance companies enables a worthwhile billing system.
  • By applying several hundred various biological and / or chemical substances on a carrier element significantly smaller amounts of these substances are required.
  • the quantities required can be reduced by a factor of 10 6 to 10 9 . So that the production of these biological and / or chemical substances remains lucrative, a new accounting system is required.
  • the fact that such carrier elements are produced in large quantities, since they allow simple checking for certain diseases, bacteria or viruses, and thus are used more frequently by people, does not compensate for the loss which is generated by the smaller quantities required.
  • the method according to the invention therefore leaves the evaluation of the carrier elements at a central administration point.
  • the inventive design of the carrier elements and the device for reading out a carrier element makes it possible for a person to detect the reactions of the biological and / or chemical substances to the substance to be analyzed, and to assign the detected signals to specific biological and / or
  • chemical substances are not possible for the person himself, but for this purpose the device for reading out a carrier element must transmit the code to the administrative center in which the arrangement belonging to the code is determined. The person can thus determine whether a positive reaction of the substance to be analyzed to any biological and / or chemical substance has occurred, which biological and / or chemical substance is involved, but the person cannot determine.
  • the determination of the arrangement belonging to a code can be billed in the administration center.
  • the evaluation of the code and the determination of the associated arrangement in the administration office are preferably carried out free of charge by the administration office and a fee is charged if and only if a substance to be analyzed is positive for one of the biological and / or chemical agents
  • Instructions are preferably transmitted from the administration point to the device for reading out how the optical detectors are to be set for the individually defined areas. In this way, optimal selection of the carrier element is ensured.
  • the reactions of the defined areas with the optimally set optical detectors are preferably detected as step e.
  • the detected signals are advantageously transmitted to the administrative center as step f.
  • the arrangement for the biological and / or chemical substances of the carrier element and / or the evaluation of the detected signals is transmitted by the management unit to the device for reading out.
  • the reactions of the defined areas with the optical detectors of the reading device are first detected after step b, and the detected signals are additionally transmitted to the administrative center in step c.
  • the transmission steps of the instructions to the device for reading out are saved in this way, the first reading out of the carrier element thus not taking place with optimally set optical detectors.
  • the arrangement of the biological and / or chemical substances of the carrier element and / or the evaluation of the detected signals is preferably transmitted as step e from the administration point to the device for reading out.
  • requests are sent from the administrative center to readjust certain defined areas in accordance with the detected signals in order to increase the measurement accuracy and reduce the probability of errors.
  • the administration station preferably transmits the request, in the case of certain detected signals, to read a further carrier element with further biological and / or chemical substances different from the biological and / or chemical substances on the first carrier element after application of the substance to be analyzed. In this way, if there is a reaction to a biological and / or chemical substance, which may indicate the presence of a particular disease is, further examinations will be carried out.
  • the detected signals and the code for the transmission are preferably encrypted with a public key from the device for reading out to the administrative center.
  • the transmission of the data is additionally secured, on the other hand, there is only the possibility for the administrative office to decrypt the data.
  • the transmission of the detected signals and the code to the administrative center is preferably error-protected. This enables greater security in data transmission.
  • FIG. 1 shows a first exemplary embodiment of a carrier element
  • FIG. 2 shows a second exemplary embodiment of a carrier element
  • FIG. 3a shows a third exemplary embodiment of a carrier element
  • FIG. 3b shows a carrier element corresponding to the carrier element from FIG. 3a
  • FIG. 4 shows a perspective view of a device for reading out a carrier element
  • FIG. 5 embodiment of a carrier element with additional coding
  • Figure 6 embodiment of a carrier element with a person or a group of people assignable coding without code for the arrangement of the biological and / or chemical substances.
  • FIG. 1 shows an embodiment of a carrier element 10 according to the invention.
  • the carrier element 10 consists of a substantially rectangular film, on which defined areas 11 are arranged aligned along a substantially square grid 15.
  • the carrier element 10 has approximately the size of a check card.
  • a code 12, which is designed as a number code, is arranged along a narrow side of the carrier element 10.
  • the code 12 can be arranged at any point on the carrier element. Instead of a numerical code, a one- or two-dimensional bar code or an alphanumeric code is also possible.
  • biological and / or chemical substances are applied to the carrier element 10, each of the defined areas 11 containing a different biological and / or chemical substance.
  • Code 12 provides information about which substance is in which area. However, this information is not directly accessible to the user of the carrier element 10.
  • the carrier element 10 has a temperature sensor 17. This registers the ambient temperature of the carrier element 10. Certain biological and / or chemical substances may only be stored at certain temperatures. If a maxi- If the old temperature is exceeded or the temperature falls below a minimum temperature, the biological and / or chemical substances react to other substances and can no longer be used for the desired investigation. The information as to whether the predetermined temperature range has been maintained or not is available in the temperature sensor 17 and can be called up by a device for reading out the carrier element 50.
  • FIG. 2 shows a further embodiment of a carrier element 20 according to the invention.
  • the carrier element 20 likewise consists of an essentially rectangular film on which biological and / or chemical substances are applied to the film in defined areas 21.
  • the defined regions 21 are not all aligned exactly with an essentially square grid 25. Some of the defined areas 21 lie exactly on the crossing points of the grid 25, while other defined areas 21 deviate horizontally and / or vertically from the positions specified by the grid 25.
  • Biological and / or chemical substances are arranged in the defined regions 21, the regions 21 being made correspondingly small due to the large number of several hundred, so that it is impossible to see with the naked eye which biological and / or chemical substance in which of the defined areas 21 is arranged.
  • FIGS. 3a and 3b show two carrier elements 30 and 30 'from a manufacturing process.
  • a set of identical carrier elements with a first arrangement of biological and / or chemical substances in defined areas 31 was first produced.
  • the defined areas 31 are aligned on an essentially rectangular grid.
  • the biological and / or chemical substances are identified with capital letters A to I. A different biological or chemical substance is thus located in each of the defined areas 31.
  • the carrier elements 30 are also equipped with a temperature sensor 37.
  • the carrier element 30 has only nine defined regions 31.
  • the carrier element 30 according to the invention has, for example, 500 defined areas 31, which are aligned on a grid in a 25 x 20 matrix.
  • the carrier elements 30 of the first set of carrier elements all differ by a code 32, which is printed on one of the narrow sides of the carrier element 30.
  • a code 32 is printed on one of the narrow sides of the carrier element 30.
  • the code 32 is a 7-digit number
  • a maximum of one million carrier elements 30 can be produced with the first arrangement of biological and / or chemical substances, each carrier element 30 having a different code.
  • the first set of carrier elements 30 should comprise 10,000 elements, which are numbered from 1 to 10,000. In the administrative office states that the carrier elements 30 with the codes 1 to 10,000 have the first arrangement of biological and / or chemical substances.
  • the arrangement of the biological and / or chemical substances is varied in a second set of carrier elements 30 '.
  • the biological or chemical substance A which in the first set of carrier elements 30 was arranged in the defined area 31 at the top left, is now arranged centrally in the defined area 31 'in the upper line.
  • the position of the other biological and / or chemical substances B-I was also varied.
  • This arrangement of the biological and / or chemical substances in the defined regions 31 ' is identical for all carrier elements 30' of the second set of carrier elements.
  • the carrier elements 30 'of the second set of carrier elements also differ by a code 32' which is printed along one of the narrow sides of the carrier element 30 '.
  • codes 32 ' which differ from the codes 32' of the first set of carrier elements 30 'are used for the second set of carrier elements 30'.
  • the second set of carrier elements 30 ' also contains 10,0000 elements that are numbered with the codes from 10,001 to 20,000.
  • Each individual carrier element thus receives a different code, although several carrier elements can have an identical arrangement of the biological and / or chemical substances in the defined areas. All carrier elements produced are therefore different.
  • the number of possible different carrier elements is determined by the number of biological and / or chemical substances on the carrier element and the maximum number of different codes.
  • the selection of the sets or of the carrier elements takes place by means of a random generator.
  • the use of the carrier elements according to the invention is to apply a substance to be analyzed, for example blood or urine of a patient, to the surface of the carrier element.
  • DNA, RNA, proteins or antibodies can be used as biological and / or chemical substances. If the substance to be analyzed contains the corresponding "counterpart" to the biological and / or chemical substance, a reaction takes place, which is usually in one
  • Color change of the corresponding defined area expresses.
  • the color changes can be in the visible range, for example, but they can also be in the infrared or ultraviolet range. Since it is no longer possible to detect the reactions of the substance to be analyzed with the biological or chemical substances with the eye in the case of several hundred defined areas on a carrier element the size of a check card, the carrier element 30 is bring the substance to be analyzed into a device 50 for reading out a carrier element.
  • the device 50 has a drive in the manner of a floppy disk drive, in which the carrier element 30 is introduced into a reading position with respect to the device 50 (cf. FIG. 4). If the carrier element 30 is attached in the reading position, optical detectors, for example semiconductor chips, are located above the individually defined regions 31, which detect the color change of the defined regions 31. However, the device 50 is unable to detect the detected
  • means 50 are attached in the device, which read out the code 32 of the carrier element 30 and transmit it to an administration point.
  • the detected signals of the defined areas 31 are transmitted simultaneously with the code 32.
  • the association between code 32 and arrangement of the biological or chemical substances A to I is stored in the defined areas 31 of the different carrier elements 30, 30 'in the administration center.
  • the administrative center can thus determine which biological and / or chemical substances A to I have reacted to the substance to be analyzed.
  • the administration center transmits the result back to the device 50 and, if necessary, provides information as to whether further carrier elements, for example with other biological and / or chemical substances, should be examined.
  • the administrative center is able to transmit instructions to the device 50 for reading out a carrier element as to how the optical detectors are optimally adjusted with regard to the given arrangement of the biological and / or chemical substances A to I. If necessary, the measurement can be carried out again with the optimized optical detectors on the carrier element 30.
  • the device 50 initially only reads the code 32 of the carrier element 30 and transmits it to the administrative center.
  • the administrative center determines the associated arrangement of the biological and / or chemical substances A to I and transmits instructions to the device 50 as to how the optical detectors for this carrier element 30 are to be set optimally.
  • the device 50 then carries out the readout process and detects the color signals emitted by the defined regions 31. These are then transmitted to the administrative center, which determines whether and if so which of the biological and / or chemical substances A to I have reacted with the substance to be analyzed.
  • the carrier element 30 On the carrier element 30 are in the code 32, for example in an additional 6-digit code number which is appended to the 7-digit code number 32 with the information about the arrangement of the biological and / or chemical substances A to I in the defined areas 31 , Information about the expiry date of the carrier element 30 is given.
  • the device 50 also reads out this code and issues a warning if the expiry date has already passed.
  • the device 50 also reads out the information from the temperature sensor 37 and optionally outputs a warning message if the predetermined maximum or minimum temperature has been exceeded or fallen below at any time during the storage of the carrier element 30.
  • the data is transmitted from the device 50 to the administrative center after the data has been encrypted using a public key. This is provided by the administrative office so that only the administrative office is able to decrypt the data. Furthermore, the transmission of the data is error-protection coded so that transmission errors can be discovered and corrected immediately.
  • the codes and the associated arrangement of the carrier elements are evaluated free of charge in the administrative center and only then to charge a fee if one of the biological and / or chemical substances has reacted with the substance to be analyzed.
  • Figure 5 shows an embodiment of a carrier element
  • this additional code 43 is in the form of a fingerprint, which can be, for example, the fingerprint of the patient whose blood or other substance is being examined using the carrier element 30 ′′.
  • a fingerprint sensor is arranged in the device 50 from FIG. 4, which reads out the fingerprint 43 representing the additional coding. If the additional coding 43 is a different type of coding instead, for example a bar code, a sensor suitable for reading out these codes must of course be provided in the device 50.
  • the carrier element 30 ′′ and the color changes detected in the defined areas 41 can be automatically assigned to the patient and, if necessary, compared with previous measurement results after the patient has read them out in the device 50 ,
  • FIG. 6 shows an exemplary embodiment of a carrier element 30 '' 'according to the invention which has a coding 63 in the form of a code which can be assigned to a person or a group of people
  • the carrier element 30 ''' is again provided with biological and / or chemical substances arranged in defined regions 61.
  • a code that indicates which biological and / or chemical substances are located in which of the defined areas 61 is not provided here. This is expedient, for example, if the biological and / or chemical substances are always arranged in the same way in the defined areas 61 and only one assignment of the carrier elements 30 ′′ ′′ or those in the defined areas 61 in a device 50 in FIG. 4 detected color changes to a person or a group of people is required.
  • Such people can be, for example, patients, treating doctors, a group of diabetics or the like.
  • a sensor unit matched to the coding 63 which can read out this coding 63, which in the present exemplary embodiment is designed as a bar code.
  • the color changes detected in the device 50 in the defined areas 61 can be automatically assigned to the associated person or group of people and processed accordingly. If an assignment is made to a patient by means of the coding 63, then, for example, the detected color changes can be automatically compared with previous measurement results of the same patient.

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Abstract

L'invention concerne un élément support (10, 20, 30, 30') pour l'analyse d'une substance à analyser. Des substances biologiques et/ou chimiques (A à I) sont placées sur ce support dans au moins deux zones définies (11, 21, 31, 31'), un code (12, 32, 32') indiquant quelle substance biologique et/ou chimique (A à I) se trouve dans chacune des zones définies (11, 21, 31, 31'). L'invention concerne en outre un procédé de production d'éléments supports, ce procédé comprenant les étapes suivantes : a) production d'un ensemble d'éléments supports (30) identiques avec une première disposition des zones définies (31) et/ou une première disposition des substances biologiques et/ou chimiques (A à I) dans les zones définies (31), b) attribution d'un code différent (32) à chacun des éléments supports (30), c) enregistrement de la disposition des zones définies (31) et/ou de la disposition des substances biologiques et/ou chimiques (A à I) dans les zones définies (31) des éléments supports (30) et des codes correspondants (32), d) sélection d'une deuxième disposition des zones définies (31) et/ou des substances biologiques et/ou chimiques (A à I) dans les zones définies (31), cette deuxième disposition étant différente de la première, e) exécution des étapes a) à c) pour cette deuxième disposition, f) exécution des étapes a) à c) pour d'autres dispositions différentes des dispositions déjà utilisées. L'invention concerne par ailleurs un dispositif permettant de lire les données d'un élément support au moyen d'au moins un détecteur optique par zone définie (31) de l'élément support (30). Ces détecteurs optiques détectent sous forme de signaux les réactions des substances biologiques et/ou chimiques (A à I) dans les zones définies (31) sur la substance à analyser dès que l'élément support (30) est mis en position de lecture par rapport à ce dispositif (50). L'invention concerne enfin un procédé pour lire les données d'un élément support au moyen d'un tel dispositif, ce procédé comprenant les étapes suivantes : a) application d'une substance à analyser sur l'élément support (30), b) mise en place de l'élément support (30) dans la position de lecture par rapport au dispositif (50) pour permettre la lecture des données dudit élément support (30), c) transmission du code (32) de l'élément support (30) à un centre de gestion, d) évaluation de ce code (32) et détermination de la disposition correspondante dans le centre de gestion.
EP04764285A 2003-08-19 2004-08-19 Element support pour l'analyse d'une substance Withdrawn EP1656558A2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10338101 2003-08-19
US10/743,263 US20050135964A1 (en) 2003-12-22 2003-12-22 Carrier medium for analyzing a substance
PCT/EP2004/009301 WO2005019818A2 (fr) 2003-08-19 2004-08-19 Element support pour l'analyse d'une substance

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EP1656558A2 true EP1656558A2 (fr) 2006-05-17

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US (1) US20050135964A1 (fr)
EP (1) EP1656558A2 (fr)
JP (1) JP2007533958A (fr)
WO (1) WO2005019818A2 (fr)

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CN104395759B (zh) * 2011-09-30 2017-10-13 生命技术公司 用于图像分析识别的方法和系统
EP3591401A1 (fr) 2018-07-06 2020-01-08 Euroimmun Medizinische Labordiagnostika AG Procédé de détection automatisée d'anticorps dans un échantillon biologique liquide à l'aide d'une puce à antigène et puce à antigène correspondante

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WO2005019818A2 (fr) 2005-03-03
US20050135964A1 (en) 2005-06-23
WO2005019818A3 (fr) 2005-06-02

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