摘要:
A test sample container assembly for loading a plurality of test samples onto a test sample carousel of an automated analytical system and an automated, continuous and random access analytical system containing such test sample container assembly and capable of simultaneously effecting multiple assays of a plurality of liquid samples are disclosed. The test sample container assembly comprises (i) a housing with two parallel curved sides, said sides having the same radius of curvature as the test sample carousel, (ii) a top shelf with at least two openings for receiving test sample containers, (iii) a bottom parallel to and spaced apart from the top shelf defining with the curved surfaces therebetween a cavity, and (iv) wherein said bottom portion and said curved surfaces define a cavity therebetween wherein the at least two openings provide a predefined vertical alignment and the test sample container openings are presented in a plane parallel with the plane of the assembly shelf.
摘要:
The present invention relates to a method of operating an automated, continuous and random access analytical system capable of simultaneously effecting multiple assays in a plurality of liquid samples, comprising the following steps: introducing sample cups, reagent packs, and reaction vessels for performing said assays onto concentric carousels of a front end carousel, the reaction vessels being introduced to an outer carousel; identifying the reagent packs and sample cups; scheduling the assays; aligning the sample cups and reagent packs with a reaction vessel at a kitting station by rotating the respective carousels; kitting a unit dose disposable in a reaction vessel having multiple independent open chambers in accordance with the scheduled assay by transfer of the sample from the sample cup to a reaction vessel chamber and transfer of specific reagents to separate reaction vessel chambers from the reagent pack; transferring the kitted reaction vessel to a process carousel which is maintained under controlled environment conditions; pipetting the sample and various reagents into a reaction well of the reaction vessel, the amounts of reagent, sequencing of transfer and time spacing therebetween being predetermined by assay scheduling; incubating the pipetted sample and reagent mix; identifying and transferring the incubated mixture in the reaction well to one of at least two assay analytical stations; performing an analysis by reading the prepared reaction mixture and calibrating the reading; and recording the resulting assay reading analysis.
摘要:
The present invention relates to a method for simultaneously performing at least two assays, said assays comprising a plurality of activities, for a plurality of liquid samples on a continuous analytical system, said method comprising the steps of: combining an aliquot of a first liquid sample with at least one reagent in a first reaction container to form a first assay reaction mixture for said first liquid sample; combining an aliquot of a second liquid sample with at least one reagent in a second reaction container to form a second assay reaction mixture for said second liquid sample; incubating said first and said second assay reaction mixtures at least one time; performing activities associated with each assay other than said combining and said incubating on the first and second assay reaction mixtures to complete each assay, said other activities including analyzing the incubated assay reaction mixtures; and scheduling the steps of said combining, said incubating, and said performing activities other than said combining and said incubating associated with each of the assays according to a predetermined protocol, said protocol specifying: (a) what activities are to be performed for a given assay; (b) an order in which said activities of (a) are to be performed; (c) at least one incubation period between said activities of (a), said at least one incubation period comprising a nominal period of time for the performance of an incubating step between activities of (a) and a specified window of time for varying the duration of the nominal period between activities of (a) to optimize performance; (d) how said activities of (a) are to be performed; and (e) duration of said activities of (a).
摘要:
A test sample container assembly for loading a plurality of test samples onto a test sample carousel of an automated analytical system and an automated, continuous and random access analytical system containing such test sample container assembly and capable of simultaneously effecting multiple assays of a plurality of liquid samples are disclosed. The test sample container assembly comprises (i) a housing with two parallel curved sides, said sides having the same radius of curvature as the test sample carousel, (ii) a top shelf with at least two openings for receiving test sample containers, (iii) a bottom parallel to and spaced apart from the top shelf defining with the curved surfaces therebetween a cavity, and (iv) wherein said bottom portion and said curved surfaces define a cavity therebetween wherein the at least two openings provide a predefined vertical alignment and the test sample container openings are presented in a plane parallel with the plane of the assembly shelf.
摘要:
The present invention relates to a method of operating an automated, continuous and random access analytical system capable of simultaneously effecting multiple assays in a plurality of liquid samples, comprising the following steps: introducing sample cups, reagent packs, and reaction vessels for performing said assays onto concentric carousels of a front end carousel, the reaction vessels being introduced to an outer carousel; identifying the reagent packs and sample cups; scheduling the assays; aligning the sample cups and reagent packs with a reaction vessel at a kitting station by rotating the respective carousels; kitting a unit dose disposable in a reaction vessel having multiple independent open chambers in accordance with the scheduled assay by transfer of the sample from the sample cup to a reaction vessel chamber and transfer of specific reagents to separate reaction vessel chambers from the reagent pack; transferring the kitted reaction vessel to a process carousel which is maintained under controlled environment conditions; pipetting the sample and various reagents into a reaction well of the reaction vessel, the amounts of reagent, sequencing of transfer and time spacing therebetween being predetermined by assay scheduling; incubating the pipetted sample and reagent mix; identifying and transferring the incubated mixture in the reaction well to one of at least two assay analytical stations; performing an analysis by reading the prepared reaction mixture and calibrating the reading; and recording the resulting assay reading analysis.
摘要:
The present invention relates to a method for simultaneously performing at least two assays, said assays comprising a plurality of activities, for a plurality of liquid samples on a continuous analytical system, said method comprising the steps of: combining an aliquot of a first liquid sample with at least one reagent in a first reaction container to form a first assay reaction mixture for said first liquid sample; combining an aliquot of a second liquid sample with at least one reagent in a second reaction container to form a second assay reaction mixture for said second liquid sample; incubating said first and said second assay reaction mixtures at least one time; performing activities associated with each assay other than said combining and said incubating on the first and second assay reaction mixtures to complete each assay, said other activities including analyzing the incubated assay reaction mixtures; and scheduling the steps of said combining, said incubating, and said performing activities other than said combining and said incubating associated with each of the assays according to a predetermined protocol, said protocol specifying: (a) what activities are to be performed for a given assay; (b) an order in which said activities of (a) are to be performed; (c) at least one incubation period between said activities of (a), said at least one incubation period comprising a nominal period of time for the performance of an incubating step between activities of (a) and a specified window of time for varying the duration of the nominal period between activities of (a) to optimize performance; (d) how said activities of (a) are to be performed; and (e) duration of said activities of (a).
摘要:
A liquid level sensing device for sensing the level of a liquid in a container and an automated, continuous and random access analytical system containing such liquid level sensing device and capable of simultaneously effecting multiple assays of a plurality of liquid samples are disclosed. The liquid level sensing device comprises: (a) means for producing an electrical sinusoidal signal; (b) means for evaluating the amount of signal as it propagates from a probe to a sense antenna; (c) circuit means for creating an electrical signal wherein said electrical signal changes when a probe contacts liquid; (d) signal processing means for enhancing the electrical signal and for degrading and suppressing signals not associated with the probe contacting said liquid; (e) decision circuit means for causing a basic digital output indicating either the presence or absence of liquid; and (f) means for utilizing the digital signal for controlling motion, and wherein said sensing device detects signal change and rate of signal change.
摘要:
The invention relates to an automated liquid level sensing system for detecting the presence of liquid in a container, said liquid level sensing system comprising: a vertically oriented, electrically conductive probe positioned above said container; means for vertically moving said probe into and out of said container; a signal source electrically connected to said probe, said signal source energizing said probe with an electrical signal and causing said probe to transmit said electrical signal; a receiving antenna positioned below said container for receiving said transmitted electrical signal; means for analyzing said received electrical signal for indications that said probe has contacted liquid in said container; means for transferring said received electrical signal from said receiving antenna to said analyzing means; and means for indicating that liquid has been detected. Further, the invention also provides for a method for automatically detecting the presence of liquid in a container, said method comprising the steps of: vertically positioning an electrically conductive probe above said container; vertically moving said probe into and out of said container; electrically connecting a signal source to said probe, said signal source energizing said probe with an electrical signal and causing said probe to transmit said electrical signal; positioning a receiving antenna below said container for receiving said transmitted electrical signal; analyzing said received electrical signal for indications that said probe has contacted liquid in said container; transferring said received electrical signal from said receiving antenna to said analyzing means; and indicating that liquid has been detected.
摘要:
A heater assembly for precision temperature and delivery control of liquids and an automated, continuous and random access analytical system containing such heater assembly and capable of simultaneously effecting multiple assays of a plurality of liquid samples are disclosed. The heater assembly comprises a body having internal resistance heating means and temperature control means, said body having a cavity suitable for accommodating liquid tubing means, said liquid tubing means in communication with liquid inlet and outlet means, wherein said cavity is suitable for housing a tubing means for maintaining liquids at a predetermined temperature, and wherein said liquid outlet means is suitable for forced or gravity release of the liquids and is mounted directly above analytical means for receiving liquids.