Device and method of use for detection and characterization of microorganisms and microparticles

• US 20050239193A1
• Filed: 10/29/2004
• Published: 10/27/2005
• Est. Priority Date: 05/30/2002
• Status: Abandoned Application

• Current Assignee: BioForce Nanosciences, Inc.
• Original Assignee: BioForce Nanosciences, Inc.
• Inventors: Johnson, James C., Nettikadan, Saju R., Henderson, Eric R., Mosher, Curtis L.
• Application Number:
  US10/977,551
• Publication Number:
  US 20050239193A1
• Time in Patent Office: Days
• US Class Current: 435/287.200
• CPC Class Codes: B82Y 35/00 Methods or apparatus for measurement or analysis of nanostructures
• CPC Class Codes: B82Y 5/00 Nanobiotechnology or nanomedicine, e.g. protein engineering or drug delivery
• CPC Class Codes: C12M 41/36 of biomass, e.g. colony counters or by turbidity measurements electrooptical investigation of individual particles G01N15/14, flow cytometers G01N15/1404
• CPC Class Codes: C12Q 1/04 Determining presence or kind of microorganism; Use of selective media for testing antibiotics or bacteriocides; Compositions containing a chemical indicator therefor C12Q1/6897 takes precedence
• CPC Class Codes: C12Q 1/18 Testing for antimicrobial activity of a material
• CPC Class Codes: C12Q 1/686 Polymerase chain reaction [PCR]
• CPC Class Codes: C12Q 2521/107 RNA dependent DNA polymerase,(i.e. reverse transcriptase)
• CPC Class Codes: C12Q 2527/127 the enzyme inhibitor or activator used
• CPC Class Codes: C12Q 2565/518 characterised by the immobilisation of the nucleic acid sample or target
• CPC Class Codes: G01N 33/552 Glass or silica
• CPC Class Codes: G01N 33/56983 Viruses
• CPC Class Codes: G01N 33/6854 Immunoglobulins
• CPC Class Codes: G01Q 70/18 Functionalisation

Abstract

The present invention includes a method and apparatus for the detection of a microorganism or microparticle.

Claims

1. An apparatus for capturing a microorganism or microparticle comprising:

a solid support comprising a surface adapted for use in a scanning probe microscope;

a material deposited in a plurality of discrete domains on the surface, wherein the material is capable of interacting with the microorganism or the microparticle, and wherein exposure of the apparatus to a sample which can contain the microorganism or the microparticle causes the microorganism or microparticle to interact with the material.

2. The apparatus of claim 1, wherein the support comprises glass, silicon or mica.

3. The apparatus of claim 1, wherein the surface is deposited on the support in discrete regions.

4. The apparatus of claim 1, wherein the scanning probe microscope is an atomic force microscope.

5. The apparatus of claim 1, wherein the surface comprises a smooth plane.

6. The apparatus of claim 5, wherein the surface has a roughness of less than 5 nm over 25 square micrometers.

7. The apparatus of claim 1, wherein the substance comprises a moiety selected from the group consisting of gold, chromium, platinum, silver, a silane, a polyethylene glycol linker, a calixcrown derivative, silver, tungsten, silicon, glass or mica.

8. The apparatus of claim 1, wherein the material comprises a moiety selected from the group consisting of a silane, a polyethylene glycol linker, a calixcrown derivative, gold, chromium, platinum, silver, tungsten, an alkane ethiolate, an alkane linker, protein A, protein G, protein A/G, an antibody, or an aptamer.

9. The apparatus of claim 1, wherein the support and the surface form a chip.

10. The apparatus of claim 1, wherein the microorganism is a virus.

11. The apparatus of claim 10, wherein the virus is selected from the group consisting of an adenovirus, a vaccinia virus, a herpes simplex virus, a coxsackie virus, a human papilloma virus, an enterovirus, an echovirus 6, an echovirus 9, an echovirus 11, an echovirus 30, a parvovirus, a bacteriophage, a fd phage, a Ms2 phage, a polio virus, or a Marek'"'"'s disease virus.

12. The apparatus of claim 1 comprising:

a solid support comprising a surface;

a material deposited on the surface, wherein the material is capable of interacting with the microorganism or the microparticle, and wherein exposure of the apparatus to a sample which can contain the microorganism or the microparticle causes the microorganism or microparticle to interact with the material and wherein the microorganism or microparticle is preserved while interacted with the material.

13. The apparatus of claim 12, wherein the microorganism is inactivated on the surface.

14. The apparatus of claim 13, wherein the microorganism can be eluted from the material and wherein the microorganism retains activity.

46. A kit for detecting a microorganism or microparticle comprising the apparatus of claim 1.

15. A method for detecting a microorganism or microparticle in a sample comprising:

providing a substrate with a surface;

depositing a material on the surface in a plurality of discrete domains, wherein the material is capable of interacting with the microorganism or microparticle;

exposing the material to the sample; and

detecting an interaction between the material and the microorganism by imaging the interaction.

16. The method of claim 15, wherein the surface further comprises a substance providing a smooth plane.

17. The method of claim 16, wherein the smooth plane has a roughness of less than 5 nm over 25 square micrometers.

18. The method of claim 16, wherein the substance comprises at least one of gold, chromium, platinum, a silane, a polyethylene glycol linker, a Calixcrown derivative, silver, tungsten, silicon, glass or mica.

19. The method of claim 16, wherein the material comprises a moiety selected from the group consisting of a silane, a polyethylene glycol linker, a calixcrown derivative, gold, chromium, platinum, silver, tungsten, or an alkane ethiolate.

20. The method of claim 15, wherein the interaction is imaged using a microscope.

21. The method of claim 20, wherein the microscope is a scanning probe microscope.

22. The method of claim 21, wherein the scanning probe microscope is an atomic force microscope.

23. The method of claim 20, wherein the microscope is an electron microscope.

24. The method of claim 15, wherein the interaction creates a change in fluorescence.

25. The method of claim 24, wherein the interaction is imaged by spectrophotometry.

26. The method of claim 15, wherein the material comprises a moiety selected from the group consisting of a silane, a polyethylene glycol linker, a calixcrown derivative, gold, chromium, platinum, silver, tungsten, an alkane ethiolate, protein A, protein G, protein A/G, an antibody, or an aptamer.

27. The method of claim 15, wherein the surface comprises glass, mica or silicon.

28. The method of claim 15, wherein the microorganism is a virus.

29. The method of claim 28, wherein the sample comprises an adenovirus, a vaccinia virus, a herpes simplex virus, a coxsackie virus, a human papilloma virus, an enterovirus, an echovirus 6, an echovirus 9, an echovirus 11, an echovirus 30, a parvovirus, a bacteriophage, a fd phage, a Ms2 phage, a polio virus, or a Marek'"'"'s disease virus.

30. The method of claim 15, wherein the microorganism is less than 500 nm in diameter.

31. The method of claim 15 wherein the microparticle comprises a prion, a virus-like particle or a viral vector.

32. The method of claim 15, wherein more than one microorganism is detected simultaneously.

33. The method of claim 15, wherein the domains are deposited using a piezo electric device.

34. The method of claim 15, wherein the domains are deposited using a device selected from the group consisting of a pipette, a contact printer with a pin tool, and acoustic levitator

35. A method for amplifying a nucleic acid within a microorganism comprising:

(a) providing a substrate with a surface;

(b) depositing a material on the surface, wherein the material has a capacity to interact with the microorganism;

(c) exposing the material to a sample which can contain the microorganism, wherein the microorganism comprises a nucleic acid, and wherein the microorganism interacts with the material; and

(d) amplifying the nucleic acid of step c in a polymerase chain reaction.

36. The method of claim 35, wherein the nucleic acid is a ribonucleic acid, and wherein the ribonucleic acid is amplified by contacting the ribonucleic acid with a reverse transcriptase prior to the polymerase chain reaction.

37. The method of claim 36, wherein the microorganism is a virus.

38. The method of claim 35, wherein the sample comprises an inhibitor of the polymerase chain reaction assay.

39. The method of claim 38, wherein the inhibitor is selected from the group consisting of urine, coffee, caffeine, serum, sputum or wastewater sludge.

40. The method of claim 35, wherein the surface comprises a gold layer, and wherein the material comprises an amine activated alkanethiolate.

41. The method of claim 40, wherein the material further comprises an orienting layer and an antibody.

42. The method of claim 35, wherein the surface further comprises a substance providing a smooth plane.

43. The method of claim 42, wherein the substance comprises a moiety selected from the group consisting of gold, chromium, platinum, a silane, a polyethylene glycol linker, a Calixcrown derivative, silver, tungsten, silicon, glass or mica.

44. The method of claim 43, wherein the material comprises a moiety selected from the group consisting of a silane, a polyethylene glycol linker, a calixcrown derivative, gold, chromium, platinum, silver, tungsten, an alkane ethiolate, protein A, protein G, protein A/G, an antibody, or an aptamer.

45. The method of claim 35, wherein the material comprises a moiety selected from the group consisting of a silane, a polyethylene glycol linker, a calixcrown derivative, gold, chromium, platinum, silver, tungsten, an alkane ethiolate, protein A, protein G, protein A/G, an antibody, or an aptamer.

47. A method for screening antibodies capable of capturing particulate antigens comprising:

providing a substrate with a surface;

depositing an antibody onto the surface;

exposing the antibody to a component comprising a particulate antigen; and

measuring the interaction between the antibody and the particulate antigen using scanning force microscopy.

48. The method of claim 47, wherein the scanning force microscopy comprises atomic force microscopy.

49. A method of screening for an antiviral agent comprising:

providing a substrate with a surface;

depositing a capture reagent onto the surface;

exposing the surface to sample which can contain a virus and an antiviral agent; and

detecting the virus that interacts with the capture reagent using scanning probe microscopy.

50. A method of screening for an antiviral agent comprising:

(a) providing a probe suitable for use in atomic force microscopy;

(b) attaching a virus to the probe;

(c) contacting the probe with a surface, wherein the surface comprises a material that can interact with the virus;

(d) contacting the receptor and the virus of step (c) with a sample that can contain an antiviral agent; and

(e) detecting a change in the interaction between the virus and the receptor, wherein the change is correlated with the presence of an antiviral agent.

51. A method for detecting the presence of an antibody from an animal comprising:

providing a substrate with a surface;

depositing the antibody on the surface, wherein the antibody is derived from the animal, and wherein the antibody is capable of interacting with a microorganism;

exposing the antibody to the microorganism; and

detecting an interaction between the antibody and the microorganism.

52. The method of claim 51, wherein the microorganism is deposited onto the antibody in a plurality of domains.

53. The method of claim 52 wherein the microorganism comprises a first genetic type and a second genetic type, and wherein the first genetic types is deposited in a first domain and wherein the second genetic type is deposited in a second domain.

54. A method for detecting the presence of a microorganism from an animal comprising:

providing a substrate with a surface;

depositing an antibody on the surface, wherein the antibody is derived from the animal, and wherein the antibody is capable of interacting with the microorganism;

exposing the antibody to the microorganism; and

detecting an interaction between the antibody and the microorganism.

55. The method of claim 54, wherein the microorganism is a virus.

56. An apparatus for detecting a microorganism or microparticle comprising:

a solid support comprising a surface adapted for use in diffraction assay;

a material deposited in a plurality of linear arrays on the surface, wherein the material is capable of interacting with the microorganism or the microparticle, and wherein exposure of the apparatus to a sample which can contain the microorganism or the microparticle causes the microorganism or microparticle to interact with the material.

57. The method of claim 56 wherein the surface comprises polystyrene plastic.