WO2009090272A1 - 'dispositivo para distribuir partículas en un fluido y procedimientos para ello - Google Patents
'dispositivo para distribuir partículas en un fluido y procedimientos para ello Download PDFInfo
- Publication number
- WO2009090272A1 WO2009090272A1 PCT/ES2008/000013 ES2008000013W WO2009090272A1 WO 2009090272 A1 WO2009090272 A1 WO 2009090272A1 ES 2008000013 W ES2008000013 W ES 2008000013W WO 2009090272 A1 WO2009090272 A1 WO 2009090272A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- particles
- vial
- kit
- fluid
- width
- Prior art date
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
- G01N33/54313—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals the carrier being characterised by its particulate form
- G01N33/54326—Magnetic particles
- G01N33/54333—Modification of conditions of immunological binding reaction, e.g. use of more than one type of particle, use of chemical agents to improve binding, choice of incubation time or application of magnetic field during binding reaction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/10—Mixers with shaking, oscillating, or vibrating mechanisms with a mixing receptacle rotating alternately in opposite directions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/25—Mixers with loose mixing elements, e.g. loose balls in a receptacle
- B01F33/251—Mixers with loose mixing elements, e.g. loose balls in a receptacle using balls as loose mixing element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2215/00—Auxiliary or complementary information in relation with mixing
- B01F2215/04—Technical information in relation with mixing
- B01F2215/0413—Numerical information
- B01F2215/0418—Geometrical information
- B01F2215/0431—Numerical size values, e.g. diameter of a hole or conduit, area, volume, length, width, or ratios thereof
Definitions
- the invention relates to a stirring device for suspending coated particles that form the solid phase of a fluid for in vitro diagnostic tests.
- Mixers commonly used in automated clinical analyzers are typically composed of rotors to generate rotational movement of the particle container or rotary movement of an element within the particle container for a given period of time before the particles in the container can be sampled for use. in a diagnostic trial.
- the mixture to resuspend the particles during the rotary movement is usually assisted by the turbulence in the container generated by frequent changes of direction of the rotational movement and by the internal design of the container itself.
- the invention relates to a kit for the uniform distribution of particles in a fluid.
- the kit comprises a vial.
- the vial is suitable for containing a fluid.
- the kit also includes a plurality of first particles, each of the first particles having a diameter. Uh reactant is bound to at least one of the first particles.
- the kit also includes a plurality of second particles, each of the second particles having a diameter. The ratio of the diameter of the second particles to the diameter of the first particles is in the range of about 100: 1, 1000: 1, or about 10,000: 1.
- the vial comprises an opening to introduce a vacuum cleaner.
- the vial includes an intraluminal shaker attached to the vial.
- the vial is not pressurized, for example the contents of the vial are at atmospheric pressure.
- the reactant bound to the at least one first particle can be at least one antibody, protein, or nucleic acid.
- the second particles are not linked by reactants; that is, the second particles are free of reactants.
- the plurality of first and second particles are enclosed in the vial.
- the invention in another aspect, relates to a cartridge for an automated clinical analyzer that includes a plurality of vials for containing reagents useful in a diagnostic test.
- the cartridge is provided with at least one rotating vial and a plurality of first particles and second particles enclosed in the vial.
- the ratio of the diameter of the second particles to the diameter of the first particles is in the range of, for example, 10,000: 1.
- the rotating vial has an upper portion with an opening to allow access to a probe.
- the cartridge provides a reagent and a plurality of first particles for the analysis of a target analyte in a patient's body fluid by means of the automated clinical analyzer.
- the invention in another aspect, relates to a method for uniformly distributing the particles in a fluid.
- the process includes the steps of providing a plurality of first particles, a fluid, and a vial.
- the vial is suitable for containing the fluid and the first particles.
- the process also provides a plurality of second particles, the second particles comprising a width at least ten times greater than the width of the first particles.
- the second particles, the first particles, and the fluid are placed in the vial and the vial containing the second particles, the first particles, and the fluid is rotated, so that the first particles are evenly distributed in the fluid.
- Figure 1 illustrates a vial that encloses first particles and second particles according to an embodiment of the invention.
- Figure 2 is a graph of the data obtained from a chemiluminescent study of the effect of paramagnetic particles that are mixed in the presence of and in the absence of second particles. Description
- the invention is a system for mixing first particles in a fluid.
- the first particles 10 are typically round, or substantially round.
- the fluid is a buffer or a fluid reagent.
- the first particles 10 have a reactant attached to the surface of the particle.
- the first particles 10 provide a solid support for the reactants in an in vitro assay for a target analyte, for example a target antibody or a target antigen, in a patient's body fluid.
- the patient's body fluid can be whole blood, serum, plasma, synovial fluid, brain-spinal fluid, or urine, for example.
- the invention relates to a kit for mixing first particles 10 in a fluid.
- the kit includes a vial 20, a plurality of first particles 10, and a plurality of second particles 12.
- the kit additionally includes a reactant associated with, for example, attached to at least one of the plurality of first particles 10.
- a reactant refers to a substance that interacts with an analyte in a patient's body fluid.
- Each of the second particles 12 has a diameter that is larger than the diameter of the first particles 10 and can be of a similar or different composition to that of the first particles 10.
- a reactant is not associated with the second particles 12 .
- the vial 20 is substantially cylindrical, and has a bottom 22 to form a compartment capable of containing a fluid.
- the bottom 22 of the vial 20 may be flat, concave or convex.
- the upper part 24 of the vial 20 has an opening or a pierceable seal suitable for inserting a probe such as, for example, a vacuum probe or a stirring probe.
- the upper part 24 of the vial 20 includes a cover (not illustrated), for example, a removable cover.
- vial 20 is not pressurized. For example, the contents of the vial are maintained at atmospheric pressure before, during, and after the agitation of the first particles in the vial.
- vial 20 includes an intraluminal shaker (not shown).
- the intraluminal agitator can be, for example, a longitudinal projection projecting from the wall of the vial 20 towards the lumen 26 of the vial 20.
- the intraluminal agitator can extend from the top 24 of the vial 20 to the bottom 22 of the vial 20 or The length of any vertical length of the vial 20 cylinder.
- the first particles 10 are made of materials such as polymers, for example latex or polystyrene, acrylics, polycarbonate, poly ⁇ tylene, polypropylene, glass, paramagnetic materials, metal such as stainless steel, titanium, nickel titanium and metal alloys, ceramics, or combinations of the above.
- the width or diameter of each of the first particles 10 is, for example, in the range of about 0.01 micrometers to 7 micrometers, preferably 0.2 micrometers to 6 micrometers, more preferably 0.3 micrometers to 5 micrometers, 5 micrometers, or 1 micrometer.
- the reactants bound to the first particles 10 are, for example, one or more antibodies, antigens, analytes, receptors or their ligand, lectins, proteins, nucleic acids, lipids, polymers, fragments of the foregoing, or combinations of the foregoing.
- the reactant bound to the first particle 10 is beta 2 glycoprotein, cardiolipin-beta-2-glycoprotein I complex, PVS-PF4 complex, monoclonal antibody, polyclonal antibody, or a viral antigen.
- the second particles 12, according to the invention are made of materials such as polymers, for example latex or polystyrene, acrylics, polycarbonate, polyethylene, polypropylene, glass, paramagnetic materials, metals such as stainless steel, titanium, nickel-titanium and metal alloys, ceramics, or combinations of the above.
- the materials used to prepare the second particles 12 are inert and will not interfere with or be impaired by the components of the reagents or the sample fluid placed in the vial.
- the second particles 12 are large enough and of a sufficient mass so as not to remain in suspension in a fluid after agitation.
- the width or diameter of the second particles 12 is greater than the width or diameter of the first particles 10.
- the ratio of the diameter of the second particles 12 to the diameter of the first particles 10 is in the range of approximately 10: 1 at 100: 1, 100: 1 to 1000: 1, 1000: 1 to 10,000: 1, or 10,000: 1 to 100,000: 1.
- the ratio is in the range of 1000: 1, more preferably 3000: 1.
- the diameter of the second particles 12 may be in the range of about 100 micrometers to 10 millimeters, preferably 1 millimeter to 8 millimeters, more preferably 2 millimeters to 6 millimeters, more preferably 3 millimeters to 4 millimeters.
- the first particles 10 and the second particles 12 are packaged together in the vial 20.
- only the first particles 10 are packaged in the vial 20.
- the second particles 12 are included, although they are packaged separately in the kit with respect to the first particles 10.
- each of the vial 20, the first particles 10, and the second particles 12 of the kit are packaged separately in the kit.
- the second particles 12 when the second particles 12 are placed in the vial 20, they cover approximately 5% to 75%, preferably 10 to 50%, more preferably 25-50% of the bottom surface 22 of the vial 20
- four second particles 12 each having a diameter of approximately 3 mm are placed in a vial 20 having a bottom diameter of approximately 15 mm.
- 6-8 second particles 12 each having a diameter of approximately 3 mm are placed in a vial 20 having a bottom diameter of approximately 30 mm.
- the percentage of the surface of the bottom 22 of the vial 20 that is covered and within these intervals enhances the suspension of the first particles 10 when the vial 20 containing the first particles 10 and the second particles 12 is rotated, preferably rotated in an oscillating way, that is, forward and backward.
- the rotation of the vial 20 provides a more homogeneous and / or faster mixture of the first particles 10 in the presence of the second particles 12 than the rotation of the vial 20 with the first particles 10 alone.
- the kit may additionally include a cartridge (not shown).
- the cartridge may be suitable for insertion into an automated clinical analyzer.
- the cartridge includes at least one rotating vial 20 that encloses a plurality of first particles 10, for example, paramagnetic particles and at least a second particle 12.
- the rotating vial 20 can accommodate a fluid such as a buffer .
- the cartridge may include one or more non-rotating vials. Each of the one or more non-rotating vials can accommodate one or more reagents for use in the assay.
- the analyzer can include a probe (not shown), for example, a vacuum cleaner, for insertion through the upper part of the vial 20 containing the first particles 10 to aspirate and transfer the first particles 10 to a reaction chamber such as a bucket.
- a probe for example, a vacuum cleaner
- the diameter of the lumen of the tip of the probe that comes into contact with the fluid in the vial 20 containing the first particles 10 and second particles 12 is larger than the diameter of the first particles 10 and is smaller than the diameter of the second particles 12.
- the diameter of the lumen of the probe tip is the same or larger than the diameter of the second particles 12.
- the invention in another aspect, relates to a process for mixing particles in a fluid.
- the first particles 10 that include a reactant attached to at least one of the first particles 10, the second particles 12, and a fluid, for example, a buffer, are placed in a vial 20.
- the vial 20 It is placed on a rotating element such as a rotating plate or a rotating rod on a clinical analytical instrument manufactured, for example, by Instrumentation Laboratory Company, Lexington, MA.
- the vial 20 that includes the first particles 10 and the second particles 12 is rotated. According to one embodiment, the rotation of the vial 20 occurs in a forward and backward (oscillating) manner.
- the second particles 12 roll along the bottom 22 of the vial 20 displacing the first particles 10 also on the bottom 22 thus suspending the first particles 10 in the fluid in the vial 20.
- the collision of the second particles 12 with aggregates of the first particles 10 helps to break the aggregates of first particles 10.
- a chemiluminescent immunoassay study was performed using a paramagnetic particle-bound reactive protein of approximately 1.0 micrometers in diameter as the solid phase of the assay.
- the paramagnetic particles (first particles) with the bound protein were put in two vials In the first vial, four glass balls (second particles) each approximately 3 mm in diameter were added to the vial with the first particles. In the second vial, no glass balls (second particles) were added to the vial with the first particles.
- the first vial and the second vial were stored for 18 hours in an upright position. After this period of time, each vial was placed in the rotating element of an immunoanalyzer.
- the resuspension of the first particles in each test was determined after a predetermined number of rotations (oscillations) of the first and second vials.
- the resuspension percentage is calculated as a function of the test result obtained versus the expected result when the particles are completely resuspended.
- the graph shows that in the presence of glass balls (first vial with second particles) 100% +/- 10% of expected signal is achieved after a mixing cycle. In the absence of the glass balls (second vial without second particles) only 34% of the expected signal is recovered after a mixing cycle. Only after four cycles of mixing the second vial, almost 100% of the expected signal is obtained. From these data, it is evident that the presence of the second particles enhances the suspension of the first particles in a shorter period of time than the suspension of the first particles in the absence of the second particles.
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- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Urology & Nephrology (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Cell Biology (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Biotechnology (AREA)
- Analytical Chemistry (AREA)
- Microbiology (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Sampling And Sample Adjustment (AREA)
- Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010541804A JP5307835B2 (ja) | 2008-01-14 | 2008-01-14 | 流体中に粒子を分散させる装置およびその方法 |
US12/088,913 US8182762B2 (en) | 2008-01-14 | 2008-01-14 | Device for distributing particles in a fluid and methods thereof |
AU2008347691A AU2008347691B2 (en) | 2008-01-14 | 2008-01-14 | Device for distributing particles in a fluid and methods therefor |
EP08718414A EP2236200A1 (en) | 2008-01-14 | 2008-01-14 | Device for distributing particles in a fluid and methods therefor |
PCT/ES2008/000013 WO2009090272A1 (es) | 2008-01-14 | 2008-01-14 | 'dispositivo para distribuir partículas en un fluido y procedimientos para ello |
CA2710914A CA2710914C (en) | 2008-01-14 | 2008-01-14 | Device for distributing particles in a fluid and methods thereof |
US13/473,744 US8916108B2 (en) | 2008-01-14 | 2012-05-17 | Device for distributing particles in a fluid and methods thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/ES2008/000013 WO2009090272A1 (es) | 2008-01-14 | 2008-01-14 | 'dispositivo para distribuir partículas en un fluido y procedimientos para ello |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/088,913 A-371-Of-International US8182762B2 (en) | 2008-01-14 | 2008-01-14 | Device for distributing particles in a fluid and methods thereof |
US13/473,744 Continuation US8916108B2 (en) | 2008-01-14 | 2012-05-17 | Device for distributing particles in a fluid and methods thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009090272A1 true WO2009090272A1 (es) | 2009-07-23 |
Family
ID=39539513
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/ES2008/000013 WO2009090272A1 (es) | 2008-01-14 | 2008-01-14 | 'dispositivo para distribuir partículas en un fluido y procedimientos para ello |
Country Status (6)
Country | Link |
---|---|
US (2) | US8182762B2 (es) |
EP (1) | EP2236200A1 (es) |
JP (1) | JP5307835B2 (es) |
AU (1) | AU2008347691B2 (es) |
CA (1) | CA2710914C (es) |
WO (1) | WO2009090272A1 (es) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2008347691B2 (en) | 2008-01-14 | 2013-04-04 | Biokit, S.A. | Device for distributing particles in a fluid and methods therefor |
US8962093B2 (en) | 2010-11-01 | 2015-02-24 | Milspray Llc | Spray paint application system and method of using same |
US8875479B2 (en) * | 2010-11-01 | 2014-11-04 | Milspray Llc | Polymeric coating applicators and methods of filling same |
GB2495536A (en) * | 2011-10-14 | 2013-04-17 | J R Biomedical Ltd | Bioanalytical device with mixing device |
FR2991305B1 (fr) * | 2012-06-01 | 2015-05-01 | Assist Publ Hopitaux De Paris | Dispositif pour le recueil, le traitement preanalytique, le transport et le broyage d'echantillons solides. |
US9205442B2 (en) | 2012-10-09 | 2015-12-08 | Milspray Llc | Spray paint applicator |
KR101470096B1 (ko) * | 2012-12-14 | 2014-12-05 | 현대자동차주식회사 | 나노복합재료 분산장치 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4108974A (en) * | 1976-08-27 | 1978-08-22 | Bio-Rad Laboratories, Inc. | Radioimmunoassay for thyroid hormone |
US4454234A (en) * | 1981-12-30 | 1984-06-12 | Czerlinski George H | Coated magnetizable microparticles, reversible suspensions thereof, and processes relating thereto |
US6875447B2 (en) * | 2000-11-28 | 2005-04-05 | Grunenthal Gmbh | Parenteral dosage forms comprising a suspension of tramadol salt and diclofenac salt |
EP1729136A1 (en) * | 2004-03-23 | 2006-12-06 | Toray Industries, Inc. | Method of agitating solution |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3087707A (en) * | 1962-02-01 | 1963-04-30 | Sprayon Products | Agitating means for aerosol spray cans |
US3184118A (en) * | 1963-06-14 | 1965-05-18 | Bernz O Matic Corp | Aerosol spray container |
SE441152B (sv) * | 1984-02-13 | 1985-09-16 | Goran Tornell | Omrorare for en vetskesuspension i en forsluten spraybehallare |
US4641974A (en) * | 1985-03-22 | 1987-02-10 | Church John E | Aerosol can agitator |
JPH0790156B2 (ja) * | 1985-12-25 | 1995-10-04 | 東レ株式会社 | 粒子スラリの調整方法 |
US5236262A (en) * | 1992-07-21 | 1993-08-17 | Creco Corporation | Agitator for a spray can |
US5544960A (en) * | 1995-08-11 | 1996-08-13 | Sommovigo; Christopher V. | Faceted stirring object for solid and liquid food substances |
US6828157B1 (en) | 1999-05-04 | 2004-12-07 | Dan A. Pankowsky | Products and methods for single parameter and multiparameter phenotyping of cells |
US6682940B2 (en) * | 1999-05-04 | 2004-01-27 | Dan A. Pankowsky | Products and methods for single parameter and multiparameter phenotyping of cells |
JP3661605B2 (ja) | 2001-04-10 | 2005-06-15 | 株式会社日立製作所 | 免疫分析装置及び免疫分析方法 |
US7666363B2 (en) * | 2001-09-05 | 2010-02-23 | Quest Diagnostics Investments Incorporated | Reagent cartridge |
JP3557419B2 (ja) | 2002-05-24 | 2004-08-25 | 株式会社日立製作所 | ハイブリダイゼーション方法および装置 |
AU2008347691B2 (en) | 2008-01-14 | 2013-04-04 | Biokit, S.A. | Device for distributing particles in a fluid and methods therefor |
-
2008
- 2008-01-14 AU AU2008347691A patent/AU2008347691B2/en active Active
- 2008-01-14 CA CA2710914A patent/CA2710914C/en active Active
- 2008-01-14 EP EP08718414A patent/EP2236200A1/en not_active Ceased
- 2008-01-14 US US12/088,913 patent/US8182762B2/en active Active
- 2008-01-14 WO PCT/ES2008/000013 patent/WO2009090272A1/es active Application Filing
- 2008-01-14 JP JP2010541804A patent/JP5307835B2/ja not_active Expired - Fee Related
-
2012
- 2012-05-17 US US13/473,744 patent/US8916108B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4108974A (en) * | 1976-08-27 | 1978-08-22 | Bio-Rad Laboratories, Inc. | Radioimmunoassay for thyroid hormone |
US4454234A (en) * | 1981-12-30 | 1984-06-12 | Czerlinski George H | Coated magnetizable microparticles, reversible suspensions thereof, and processes relating thereto |
US6875447B2 (en) * | 2000-11-28 | 2005-04-05 | Grunenthal Gmbh | Parenteral dosage forms comprising a suspension of tramadol salt and diclofenac salt |
EP1729136A1 (en) * | 2004-03-23 | 2006-12-06 | Toray Industries, Inc. | Method of agitating solution |
Non-Patent Citations (1)
Title |
---|
BRANDL MARTIN ET AL: "Preparation and characterization of semi-solid phospholipid dispersions and dilutions thereof", INTERNATIONAL JOURNAL OF PHARMACEUTICS (AMSTERDAM), vol. 170, no. 2, 15 August 1998 (1998-08-15), pages 187 - 199, XP002489646, ISSN: 0378-5173 * |
Also Published As
Publication number | Publication date |
---|---|
JP2011510269A (ja) | 2011-03-31 |
US20100189604A1 (en) | 2010-07-29 |
CA2710914A1 (en) | 2009-07-23 |
US8182762B2 (en) | 2012-05-22 |
AU2008347691A1 (en) | 2009-07-23 |
AU2008347691B2 (en) | 2013-04-04 |
AU2008347691A2 (en) | 2010-09-16 |
US8916108B2 (en) | 2014-12-23 |
EP2236200A1 (en) | 2010-10-06 |
US20120225495A1 (en) | 2012-09-06 |
JP5307835B2 (ja) | 2013-10-02 |
CA2710914C (en) | 2013-07-30 |
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