RU97113368A - DIAGNOSTIC SUBSTRATE WITH A MULTILAYERED ANALYTICAL FIELD FOR ANALYSIS AND METHOD FOR DETERMINING ANALYSIS OBJECT WITH ITS HELP - Google Patents

DIAGNOSTIC SUBSTRATE WITH A MULTILAYERED ANALYTICAL FIELD FOR ANALYSIS AND METHOD FOR DETERMINING ANALYSIS OBJECT WITH ITS HELP

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Publication number
RU97113368A
RU97113368A RU97113368/14A RU97113368A RU97113368A RU 97113368 A RU97113368 A RU 97113368A RU 97113368/14 A RU97113368/14 A RU 97113368/14A RU 97113368 A RU97113368 A RU 97113368A RU 97113368 A RU97113368 A RU 97113368A
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RU
Russia
Prior art keywords
film
diagnostic substrate
analysis
substrate according
paragraphs
Prior art date
Application number
RU97113368/14A
Other languages
Russian (ru)
Other versions
RU2192641C2 (en
Inventor
Тим Детлеф
Кнаппе Вольфганг-Райнхольд
Пахль Рудольф
Мердес Хартмут
Лоренц Роберт
Original Assignee
Берингер Маннхайм ГмбХ
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Priority claimed from DE19629656A external-priority patent/DE19629656A1/en
Application filed by Берингер Маннхайм ГмбХ filed Critical Берингер Маннхайм ГмбХ
Publication of RU97113368A publication Critical patent/RU97113368A/en
Application granted granted Critical
Publication of RU2192641C2 publication Critical patent/RU2192641C2/en

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Claims (17)

1. Диагностическая подложка для проведения анализов для определения объекта анализа из цельной крови с помощью содержащейся в подложке системы реактивов, которая включает в себя цветообразующий реактив, с аналитическим полем, которое имеет сторону подачи пробы, на которую подают пробу крови, и индикационную сторону, на которой получается оптически обнаруживаемое изменение вследствие реакции объекта анализа с системой реактивов, и которое выполнено таким образом, что содержащиеся в пробе эритроциты не попадают на индикационную сторону, отличающаяся тем, что аналитическое поле содержит прозрачную пленку и первый и второй нанесенные на нее, расположенные друг на друге пленочные слои, причем находящийся на прозрачной пленке первый слой во влажном состоянии обладает более слабыми светорассеивающими свойствами, чем расположенный над ним второй слой и причем сторона пленки, противоположная стороне пленки, на которую нанесен первый слой, является индикационной стороной, а сторона второго слоя, которая противоположна стороне, которой второй слой наложен на первый, является стороной подачи пробы.1. Diagnostic substrate for analysis to determine the object of analysis from whole blood using the reagent system contained in the substrate, which includes a color-forming reagent, with an analytical field that has a sample supply side to which a blood sample is supplied and an indication side which produces an optically detectable change due to the reaction of the object of analysis with the reagent system, and which is designed in such a way that the red blood cells contained in the sample do not fall on the indication side, characterized in that the analytical field contains a transparent film and the first and second film layers deposited on it, arranged on top of one another, the first layer being on a transparent film in the wet state has weaker light-scattering properties than the second layer above it and the side of the film opposite to the side of the film on which the first layer is applied is an indication side, and the side of the second layer, which is opposite to the side to which the second layer is applied to the first, is thoron sample flow. 2. Диагностическая подложка по п. 1, отличающаяся тем, что второй слой содержит пигмент с показателем преломления по меньшей мере 2,5 в концентрации по меньшей мере 25 мас.% по отношению к сухому двойному пленочному слою. 2. The diagnostic substrate according to claim 1, characterized in that the second layer contains a pigment with a refractive index of at least 2.5 at a concentration of at least 25 wt.% With respect to the dry double film layer. 3. Диагностическая подложка по п. 1 или 2, отличающаяся тем, что оба пленочных слоя образованы из дисперсии или эмульсии полимерного пленкообразователя, которая содержит полимерный пленкообразователь и средство для набухания в гомогенном распределении, причем способность к набуханию средства для набухания настолько высока, что можно замерить оптически обнаруживаемое изменение на индикационной стороне, самое большое, через минуту. 3. The diagnostic substrate according to claim 1 or 2, characterized in that both film layers are formed from a dispersion or emulsion of a polymer film former that contains a polymer film former and a swelling agent in a homogeneous distribution, and the swelling ability of the swelling agent is so high that you can measure the optically detectable change on the display side, the largest, in a minute. 4. Диагностическая подложка по одному из пп. 1-3, отличающаяся тем, что первый пленочный слой содержит в качестве пигмента алюмосиликат натрия, а второй пленочный слой - двуокись титана. 4. The diagnostic substrate according to one of paragraphs. 1-3, characterized in that the first film layer contains sodium aluminosilicate as a pigment, and the second film layer contains titanium dioxide. 5. Диагностическая подложка по одному из пп. 1-4, отличающаяся тем, что оба пленочных слоя выполнены с возможностью отделения эритроцитов. 5. The diagnostic substrate according to one of paragraphs. 1-4, characterized in that both film layers are configured to separate red blood cells. 6. Диагностическая подложка по одному из пп. 1-5, отличающаяся тем, что толщина первого и второго пленочных слоев в сухом состоянии вместе составляют максимально 0,20 мм, предпочтительно 0,12 мм, особенно предпочтительно - максимально 0,08 мм. 6. The diagnostic substrate according to one of paragraphs. 1-5, characterized in that the thickness of the first and second film layers in a dry state together is a maximum of 0.20 mm, preferably 0.12 mm, particularly preferably a maximum of 0.08 mm. 7. Диагностическая подложка по п. 6, отличающаяся тем, что второй пленочный слой примерно в 2-5 раз более толстый, чем первый слой. 7. The diagnostic substrate according to claim 6, characterized in that the second film layer is about 2-5 times thicker than the first layer. 8. Диагностическая подложка по одному из пп. 1-7, отличающаяся тем, что в первом пленочном слое находится цветообразующий реактив. 8. The diagnostic substrate according to one of paragraphs. 1-7, characterized in that in the first film layer is a color-forming reagent. 9. Диагностическая подложка по одному из пп. 1-7, отличающаяся тем, что компоненты системы реактивов распределены на оба пленочных слоя. 9. The diagnostic substrate according to one of paragraphs. 1-7, characterized in that the components of the reagent system are distributed on both film layers. 10. Диагностическая подложка по одному из пп. 1-9, отличающаяся тем, что в пленочных слоях отсутствуют гемолизирующие смачивающие средства. 10. The diagnostic substrate according to one of paragraphs. 1-9, characterized in that in the film layers there are no hemolytic wetting agents. 11. Диагностическая подложка по п. 10, отличающаяся тем, что по меньшей мере один пленочный слой содержит в качестве смачивающего средства N-октаноил-N-метил-глюкамид. 11. The diagnostic substrate according to claim 10, characterized in that at least one film layer contains N-octanoyl-N-methyl-glucamide as a wetting agent. 12. Способ определения объекта анализа из цельной крови с помощью диагностической подложки для проведения анализа по одному из пп. 1-11, отличающийся тем, что кровь подают на сторону подачи крови аналитического поля и наблюдают индикационную сторону в отношении цветообразования, причем интенсивность цветообразования является мерой количества объекта анализа в крови. 12. The method of determining the object of analysis from whole blood using a diagnostic substrate for analysis according to one of paragraphs. 1-11, characterized in that the blood is supplied to the blood supply side of the analytical field and the indicator side is observed with respect to color formation, the color formation intensity being a measure of the amount of the object of analysis in the blood. 13. Способ по п. 12, отличающийся тем, что индикационную сторону наблюдают в отношении цветообразования, непрерывно или с интервалами. 13. The method according to p. 12, characterized in that the indicator side is observed in relation to color formation, continuously or at intervals. 14. Способ по п. 13, отличающийся тем, что наблюдение осуществляют с помощью аппаратуры в виде ряда замеров посредством измерения цветообразования, а момент оценки определяют путем однократного перехода ниже определенного абсолютного или процентного значения разности следующих друг за другом замеров цветообразования. 14. The method according to p. 13, characterized in that the observation is carried out using equipment in the form of a series of measurements by measuring color formation, and the moment of assessment is determined by a single transition below a certain absolute or percentage value of the difference of the subsequent color formation measurements. 15. Способ по п. 13, отличающийся тем, что наблюдение осуществляют с помощью аппаратуры в форме ряда замеров посредством измерений цветообразования, а момент оценки определяют с помощью заранее установленного многократного перехода ниже определенного абсолютного или процентного значения разности следующих друг за другом измерений цветообразования. 15. The method according to p. 13, characterized in that the observation is carried out using equipment in the form of a series of measurements by means of color formation measurements, and the moment of assessment is determined using a predetermined multiple transition below a certain absolute or percentage value of the difference of consecutive color formation measurements. 16. Способ по п. 14 или 15, отличающийся тем, что после одно- или многократного перехода ниже абсолютного или процентного значения разности следует еще дальнейшее послереакционное время. 16. The method according to p. 14 or 15, characterized in that after a single or multiple transition below the absolute or percentage value of the difference, further post-reaction time follows. 17. Способ по одному из пп. 14-16, отличающийся тем, что измерения цветообразования осуществляют с помощью рефлектометрии и последнее значение ряда замеров используют для математической оценки концентрации объекта анализа. 17. The method according to one of paragraphs. 14-16, characterized in that the color formation measurements are carried out using reflectometry and the last value of a series of measurements is used to mathematically evaluate the concentration of the object of analysis.
RU97113368/14A 1996-07-23 1997-07-22 Diagnostic support with a multilayer analytical field for conducting an assay and method for detecting an assay object with the help of this diagnostic support RU2192641C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19629656.0 1996-07-23
DE19629656A DE19629656A1 (en) 1996-07-23 1996-07-23 Diagnostic test carrier with multilayer test field and method for the determination of analyte with its aid

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RU97113368A true RU97113368A (en) 1999-06-20
RU2192641C2 RU2192641C2 (en) 2002-11-10

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US (1) US6036919A (en)
EP (1) EP0821234B1 (en)
JP (1) JP3394892B2 (en)
KR (1) KR100220659B1 (en)
CN (1) CN1109244C (en)
AR (1) AR008405A1 (en)
AT (1) ATE225937T1 (en)
AU (1) AU702224B2 (en)
CA (1) CA2210770C (en)
CZ (1) CZ293568B6 (en)
DE (2) DE19629656A1 (en)
DK (1) DK0821234T3 (en)
EE (1) EE9700162A (en)
ES (1) ES2184013T3 (en)
HK (1) HK1008566A1 (en)
HR (1) HRP970401B1 (en)
HU (1) HU222596B1 (en)
IL (1) IL121353A (en)
MX (1) MX9705534A (en)
NO (1) NO320085B1 (en)
NZ (1) NZ328376A (en)
PL (1) PL190139B1 (en)
PT (1) PT821234E (en)
RU (1) RU2192641C2 (en)
SK (1) SK99197A3 (en)
TW (1) TW514727B (en)
UA (1) UA44758C2 (en)
ZA (1) ZA976465B (en)

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