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单词 Pasteur pipette
释义

Definition of Pasteur pipette in English:

Pasteur pipette

noun
  • A simple glass pipette drawn into a capillary tube at one end, used with a rubber teat fitted to the other.

    Example sentencesExamples
    • Supernatant was removed with a Pasteur pipette and worms were frozen in liquid nitrogen.
    • Alter incubation, aliquots of insulin solutions were removed from the glass vials using Pasteur pipettes and put onto microscope slides.
    • The upper aqueous phase was gently removed with a wide-bore Pasteur pipette and mixed by inversion with 1 mL of secbutanol.
    • This effect appears to be induced by the shear which occurs as the peptide solution is forced through the Pasteur pipette into the cell.
    • From each plate, two to four transparent plaques were picked and placed in separate 1.5-ml eppendorf tubes containing 1 ml of LB medium using sterile Pasteur pipettes.
    • To remove the dichlorofluorescein, the lipids were applied to small columns of magnesium hydroxide in Pasteur pipettes and the lipid was eluted with 2: 1 chloroform: methanol.
    • DNA was precipitated with 0.7 vol cold isopropanol, removed with a Pasteur pipette hook, and placed in a clean Eppendorf tube with 1 ml 70% ethanol.
    • To extract DNA, an agarose plug was removed from the gel at each chromosome band using a glass Pasteur pipette, and DNA was isolated from the plugs by the phenol-based methods of FAVRE.
    • Using a disposable glass Pasteur pipette, 0.5 ml of the upper phase was transferred to a gas chromatography vial and capped.
    • The hypophase was removed with a Pasteur pipette and the aqueous phase re-extracted with chloroform until it was colourless.
    • Dropping pipettes and Pasteur pipettes are usually uncalibrated, and are used to transfer liquids only when accurate quantification is not necessary.
    • Suspensions of cells were made homogeneous by means of a Pasteur pipette, and the cells were resuspended in the quartz cuvette before every exposure to light as well as the subsequent spectral measurement.
    • For sterile cultures, seeds were sown in a water suspension, using a Pasteur pipette, in 150 mm Petri dishes filled with 100 ml of agar culture medium, at a density of 50 regularly spaced seeds per plate.
    • The remaining material is then suspended in 100% ethanol and aspired with a Pasteur pipette previously elongated on a Bunsen.
    • The fixed cells were dropped onto slides using Pasteur pipettes, air dried and stored at - 20°C.
    • Spreading of preparations was done using curved sterilized Pasteur pipettes.
    • Deposit was inoculated with a sterile Pasteur pipette over the surface of slopes of LJ media in duplicate.
    • They were then dispersed into single cells by pipetting with Pasteur pipettes.
    • Worms were then transferred to 5% agar pads using a glass Pasteur pipette and covered for microscopy.
    • The ether was removed with a Pasteur pipette and discarded.
 
 

Definition of Pasteur pipette in US English:

Pasteur pipette

noun
  • A simple glass pipette drawn into a capillary tube at one end, used with a rubber nipple fitted to the other.

    Example sentencesExamples
    • The remaining material is then suspended in 100% ethanol and aspired with a Pasteur pipette previously elongated on a Bunsen.
    • The fixed cells were dropped onto slides using Pasteur pipettes, air dried and stored at - 20°C.
    • Spreading of preparations was done using curved sterilized Pasteur pipettes.
    • Worms were then transferred to 5% agar pads using a glass Pasteur pipette and covered for microscopy.
    • The hypophase was removed with a Pasteur pipette and the aqueous phase re-extracted with chloroform until it was colourless.
    • Alter incubation, aliquots of insulin solutions were removed from the glass vials using Pasteur pipettes and put onto microscope slides.
    • Using a disposable glass Pasteur pipette, 0.5 ml of the upper phase was transferred to a gas chromatography vial and capped.
    • To remove the dichlorofluorescein, the lipids were applied to small columns of magnesium hydroxide in Pasteur pipettes and the lipid was eluted with 2: 1 chloroform: methanol.
    • The upper aqueous phase was gently removed with a wide-bore Pasteur pipette and mixed by inversion with 1 mL of secbutanol.
    • From each plate, two to four transparent plaques were picked and placed in separate 1.5-ml eppendorf tubes containing 1 ml of LB medium using sterile Pasteur pipettes.
    • Deposit was inoculated with a sterile Pasteur pipette over the surface of slopes of LJ media in duplicate.
    • They were then dispersed into single cells by pipetting with Pasteur pipettes.
    • DNA was precipitated with 0.7 vol cold isopropanol, removed with a Pasteur pipette hook, and placed in a clean Eppendorf tube with 1 ml 70% ethanol.
    • Dropping pipettes and Pasteur pipettes are usually uncalibrated, and are used to transfer liquids only when accurate quantification is not necessary.
    • This effect appears to be induced by the shear which occurs as the peptide solution is forced through the Pasteur pipette into the cell.
    • To extract DNA, an agarose plug was removed from the gel at each chromosome band using a glass Pasteur pipette, and DNA was isolated from the plugs by the phenol-based methods of FAVRE.
    • The ether was removed with a Pasteur pipette and discarded.
    • Suspensions of cells were made homogeneous by means of a Pasteur pipette, and the cells were resuspended in the quartz cuvette before every exposure to light as well as the subsequent spectral measurement.
    • Supernatant was removed with a Pasteur pipette and worms were frozen in liquid nitrogen.
    • For sterile cultures, seeds were sown in a water suspension, using a Pasteur pipette, in 150 mm Petri dishes filled with 100 ml of agar culture medium, at a density of 50 regularly spaced seeds per plate.
 
 
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更新时间:2024/11/10 22:36:37