CA1101240A - Microbiological testing apparatus and method - Google Patents

Microbiological testing apparatus and method

Info

Publication number
CA1101240A
CA1101240A CA343,078A CA343078A CA1101240A CA 1101240 A CA1101240 A CA 1101240A CA 343078 A CA343078 A CA 343078A CA 1101240 A CA1101240 A CA 1101240A
Authority
CA
Canada
Prior art keywords
light
incubation
layer
accordance
wells
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.)
Expired
Application number
CA343,078A
Other languages
English (en)
French (fr)
Inventor
Francis J. Mcfadden
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of CA1101240A publication Critical patent/CA1101240A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/06—Means for illuminating specimens
    • G02B21/08—Condensers
    • G02B21/10—Condensers affording dark-field illumination
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/251—Colorimeters; Construction thereof
    • G01N21/253—Colorimeters; Construction thereof for batch operation, i.e. multisample apparatus
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00—Chemistry: molecular biology and microbiology
    • Y10S435/808—Optical sensing apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optics & Photonics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
CA343,078A 1979-02-02 1980-01-04 Microbiological testing apparatus and method Expired CA1101240A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/008,933 US4221867A (en) 1979-02-02 1979-02-02 Optical microbiological testing apparatus and method
US8,933 1979-02-02

Publications (1)

Publication Number Publication Date
CA1101240A true CA1101240A (en) 1981-05-19

Family

ID=21734560

Family Applications (1)

Application Number Title Priority Date Filing Date
CA343,078A Expired CA1101240A (en) 1979-02-02 1980-01-04 Microbiological testing apparatus and method

Country Status (8)

Country Link
US (1) US4221867A (US08063081-20111122-C00044.png)
JP (1) JPS55104898A (US08063081-20111122-C00044.png)
CA (1) CA1101240A (US08063081-20111122-C00044.png)
DE (1) DE3003727A1 (US08063081-20111122-C00044.png)
ES (1) ES488506A0 (US08063081-20111122-C00044.png)
FR (1) FR2447964A1 (US08063081-20111122-C00044.png)
GB (1) GB2042211B (US08063081-20111122-C00044.png)
IT (1) IT1128091B (US08063081-20111122-C00044.png)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU5856780A (en) * 1979-05-21 1980-11-27 United Glass Ltd. Surface irregularity of translucent material
DE3420760A1 (de) * 1984-06-04 1985-12-05 Bayer Ag, 5090 Leverkusen Beleuchtungseinrichtung fuer die optische, insbesondere bildanalytische auswertung von mikrobiologischen objekten
US4701850A (en) * 1985-06-26 1987-10-20 Gibbs David L Method and apparatus utilizing agar diffusion technique for determining quantitative drug concentration parameter
US4710031A (en) * 1985-07-31 1987-12-01 Lancraft, Inc. Microtiter plate reader
US5164301A (en) * 1990-06-22 1992-11-17 Difco Laboratories Process and kit for detecting microbial metabolism
US5601997A (en) 1995-02-03 1997-02-11 Tchao; Ruy Chemotaxis assay procedure
EP1221038A4 (en) * 1999-07-21 2004-09-08 Applera Corp WORKPLACE FOR DETECTING LUMINESCENCE
US7345815B2 (en) * 2004-04-28 2008-03-18 Olympus Corporation Illumination apparatus for microscope
CN103946728B (zh) * 2012-01-19 2017-06-27 琳得科株式会社 光扩散膜的制造方法和光扩散膜
DE102013206725A1 (de) * 2013-04-15 2014-10-16 Leica Microsystems (Schweiz) Ag Mikroskopbeleuchtungseinrichtung zur gerichteten Mikroskopbeleuchtung
JP2019114503A (ja) * 2017-12-26 2019-07-11 オリンパス株式会社 照明装置、顕微鏡装置
US20240182945A1 (en) * 2021-04-05 2024-06-06 Victor TETS Products for regulation of eukaryotic and microbial cells growth

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1215207A (fr) * 1958-11-10 1960-04-15 Boîte à lumière pour l'examen et le comptage des évolutions en boîte de petri
US3356462A (en) * 1966-08-09 1967-12-05 Cooke Engineering Company Disposable microtitration plate
US3441383A (en) * 1966-10-26 1969-04-29 Francis C Moore Multiple cup tray
US3652169A (en) * 1971-04-01 1972-03-28 Millipore Corp Viewer for transparent slides
US3712746A (en) * 1971-07-29 1973-01-23 Gen Electric Device for optically determining microbial colony population on growth surface
US3919559A (en) * 1972-08-28 1975-11-11 Minnesota Mining & Mfg Louvered film for unidirectional light from a point source
CA1020068A (en) * 1975-06-10 1977-11-01 Edward T. Sheaff Device for examining biological specimens
US4099881A (en) * 1975-09-19 1978-07-11 Transidyne General Corporation Viewer for biological diffusion plate

Also Published As

Publication number Publication date
ES8102354A1 (es) 1980-12-16
ES488506A0 (es) 1980-12-16
GB2042211A (en) 1980-09-17
GB2042211B (en) 1983-01-26
FR2447964B1 (US08063081-20111122-C00044.png) 1984-04-13
US4221867A (en) 1980-09-09
FR2447964A1 (fr) 1980-08-29
IT8047778A0 (it) 1980-02-01
IT1128091B (it) 1986-05-28
DE3003727A1 (de) 1980-08-14
JPS55104898A (en) 1980-08-11

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Legal Events

Date Code Title Description
MKEX Expiry