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单词 aliquot
释义

Definition of aliquot in English:

aliquot

noun ˈalɪkwɒtˈæləˌkwɑt
  • 1A portion of a larger whole, especially a sample taken for chemical analysis or other treatment.

    an aliquot was examined daily for the appearance of cholesterol monohydrate crystals
    Example sentencesExamples
    • After mixing and centrifugation, aliquots of the acetic acid phase were injected onto a Chromatographic system for quantitation of catecholamines.
    • The remaining aliquot was plated to solid medium to determine the transformation efficiency for the experiment.
    • Sample digestion for Hg analysis was conducted separately, using 5 g aliquots of homogenized samples.
    • Each sample was then divided into two aliquots which were subsequently treated separately as described below.
    • Four times over this time period aliquots of cells were sampled to assay.
    • The cooled, clear digest was diluted to 20 ml with distilled water, filtered, and aliquots were taken for analyses.
    • Serum was divided into aliquots to metal-free plastic tubes and stored at -30 degrees C until use.
    • After incubation, the assay solution with roots was filtered and a 1 mL aliquot from each sample was removed to a new tube.
    • An aliquot was removed for analysis.
    • We switched to individual aliquots of buffer solution, prepared in single-use tubes.
    • The pellets were resuspended and two aliquots withdrawn for analysis.
    • Quantitative sputum culture was then performed on an aliquot of the sample as described previously.
    • Lipid aliquots were transferred to vials where the bulk of the chloroform was removed with a stream of argon.
    • The filtrate was discarded and the recovered retentate was divided into two equal aliquots.
    • Each pool was divided into three aliquots and a sufficient quantity of CPG was added to one aliquot.
    • Appropriate aliquots of lipid stock solutions (generally in chloroform) were placed in a vial and excess solvent removed under an argon stream.
    • Sample aliquots were frozen and stored for later analyses.
    • The cultures were divided into two aliquots, one of which was irradiated while the other one was left untreated.
    • The aqueous phase was recovered and for each sample 2 ml aliquots were evaporated to dryness in a freeze drier.
    • The aliquots drawn daily were examined for haemolysin activity during storage.
    1. 1.1Mathematics A quantity which can be divided into another a whole number of times.
      Example sentencesExamples
      • Suppose that, in modern notation, S denotes the sum of the aliquot parts of n, that is the sum of its proper quotients.
      • He is saying that you may not find an aliquot part of the income of a particular year used to defray one of the expenses referred to in paragraph 61.
      • Note that 10 is not an aliquot part of 10 since it is not a proper quotient, i.e. a quotient different from the number itself.
      • As he put it, ‘Any member of the ‘public’ who thinks he owns the property may test this theory by trying to appropriate for his own individual use his aliquot part of government property.’
      • ‘Any citizen who doubts this,’ Rothbard suggested, ‘may try to appropriate for his own individual use his aliquot part of ‘public’ property and then try to argue his case in court.’
verb ˈalɪkwɒtˈæləˌkwɑt
[with object]
  • Divide (a whole) into aliquots.

    this solution was then aliquoted for three separate mass spectrometer analyses
    Example sentencesExamples
    • All specimens were mixed well prior to aliquoting.
    • Blood was immediately placed on ice, spun within 2 hours and aliquoted at - 80 degrees.
    • Serum was removed and aliquoted into labeled containers.
    • The IP pellet was resuspended in final wash buffer and aliquoted for subsequent biochemical analyses.
    • Reagents were aliquoted and each aliquot was used only once.
    • The final product was aliquoted and stored at - 80°C until the analysis.
    • It was dissolved in 5% dextrose at 1.0 mg/mL and aliquoted into tubes and stored at - 20 deg C.
    • Samples were centrifuged for 2 min and the supernatant aliquoted and stored at - 80'C until use.
    • The remaining pellets were dissolved in 1 ml water and aliquoted to a concentration of 100 ng/ml for further use.
    • Dust was sieved, aliquoted into 100-mg lots, and then frozen at - 80°C before indoor allergen and endotoxin assays.
    • From each patient, 6-10 ml of venous blood was drawn and aliquoted in plain tubes without anticoagulant.
    • The suspension was vortexed for 5 minutes, sonicated for 30 seconds and aliquoted into 100-litre samples (AVs).
    • The DNase-treated RNA was precipitated, quantitated and aliquoted.
    • This included a separate area for pre-PCR manipulations, dedicated air-displacement pipettes, barrier tips, and aliquoted stocks.
    • Where appropriate a master mix of PCR reaction components was made and aliquoted into individual reactions.
    • After 10 min of incubation at room temperature, 1.25 ml of solubilized extracts were aliquoted into 1.7-ml microcentrifuge tubes.
    • A unit of packed red blood cells aliquoted into two bags was ordered for transfusion.
    • The inoculum was aliquoted into sterile, 8-mL, screw-cap glass vials.
    • Following etherization, flies were aliquoted into groups of 20, placed into vials, and allowed 1 day for recovery from etherization.
    • The solution was then aliquoted into individual 435-l volumes.

Origin

Late 16th century: from French aliquote, from Latin aliquot 'some, so many', from alius 'one of two' + quot 'how many'.

 
 

Definition of aliquot in US English:

aliquot

nounˈæləˌkwɑtˈaləˌkwät
  • 1A portion of a larger whole, especially a sample taken for chemical analysis or other treatment.

    an aliquot was examined daily for the appearance of cholesterol monohydrate crystals
    Example sentencesExamples
    • The filtrate was discarded and the recovered retentate was divided into two equal aliquots.
    • Four times over this time period aliquots of cells were sampled to assay.
    • The cooled, clear digest was diluted to 20 ml with distilled water, filtered, and aliquots were taken for analyses.
    • We switched to individual aliquots of buffer solution, prepared in single-use tubes.
    • After mixing and centrifugation, aliquots of the acetic acid phase were injected onto a Chromatographic system for quantitation of catecholamines.
    • Appropriate aliquots of lipid stock solutions (generally in chloroform) were placed in a vial and excess solvent removed under an argon stream.
    • Lipid aliquots were transferred to vials where the bulk of the chloroform was removed with a stream of argon.
    • The aqueous phase was recovered and for each sample 2 ml aliquots were evaporated to dryness in a freeze drier.
    • After incubation, the assay solution with roots was filtered and a 1 mL aliquot from each sample was removed to a new tube.
    • Sample digestion for Hg analysis was conducted separately, using 5 g aliquots of homogenized samples.
    • The pellets were resuspended and two aliquots withdrawn for analysis.
    • The cultures were divided into two aliquots, one of which was irradiated while the other one was left untreated.
    • An aliquot was removed for analysis.
    • The remaining aliquot was plated to solid medium to determine the transformation efficiency for the experiment.
    • Serum was divided into aliquots to metal-free plastic tubes and stored at -30 degrees C until use.
    • Each pool was divided into three aliquots and a sufficient quantity of CPG was added to one aliquot.
    • Quantitative sputum culture was then performed on an aliquot of the sample as described previously.
    • Each sample was then divided into two aliquots which were subsequently treated separately as described below.
    • Sample aliquots were frozen and stored for later analyses.
    • The aliquots drawn daily were examined for haemolysin activity during storage.
    1. 1.1Mathematics A quantity that can be divided into another a whole number of times.
      Example sentencesExamples
      • Note that 10 is not an aliquot part of 10 since it is not a proper quotient, i.e. a quotient different from the number itself.
      • As he put it, ‘Any member of the ‘public’ who thinks he owns the property may test this theory by trying to appropriate for his own individual use his aliquot part of government property.’
      • ‘Any citizen who doubts this,’ Rothbard suggested, ‘may try to appropriate for his own individual use his aliquot part of ‘public’ property and then try to argue his case in court.’
      • Suppose that, in modern notation, S denotes the sum of the aliquot parts of n, that is the sum of its proper quotients.
      • He is saying that you may not find an aliquot part of the income of a particular year used to defray one of the expenses referred to in paragraph 61.
verbˈæləˌkwɑtˈaləˌkwät
[with object]usually be aliquoted
  • Divide (a whole) into aliquots; take aliquots from (a whole)

    this solution was then aliquoted for three separate mass spectrometer analyses
    Example sentencesExamples
    • From each patient, 6-10 ml of venous blood was drawn and aliquoted in plain tubes without anticoagulant.
    • The final product was aliquoted and stored at - 80°C until the analysis.
    • The IP pellet was resuspended in final wash buffer and aliquoted for subsequent biochemical analyses.
    • The solution was then aliquoted into individual 435-l volumes.
    • All specimens were mixed well prior to aliquoting.
    • Samples were centrifuged for 2 min and the supernatant aliquoted and stored at - 80'C until use.
    • Dust was sieved, aliquoted into 100-mg lots, and then frozen at - 80°C before indoor allergen and endotoxin assays.
    • After 10 min of incubation at room temperature, 1.25 ml of solubilized extracts were aliquoted into 1.7-ml microcentrifuge tubes.
    • The inoculum was aliquoted into sterile, 8-mL, screw-cap glass vials.
    • Blood was immediately placed on ice, spun within 2 hours and aliquoted at - 80 degrees.
    • Where appropriate a master mix of PCR reaction components was made and aliquoted into individual reactions.
    • This included a separate area for pre-PCR manipulations, dedicated air-displacement pipettes, barrier tips, and aliquoted stocks.
    • A unit of packed red blood cells aliquoted into two bags was ordered for transfusion.
    • Serum was removed and aliquoted into labeled containers.
    • The suspension was vortexed for 5 minutes, sonicated for 30 seconds and aliquoted into 100-litre samples (AVs).
    • The remaining pellets were dissolved in 1 ml water and aliquoted to a concentration of 100 ng/ml for further use.
    • Following etherization, flies were aliquoted into groups of 20, placed into vials, and allowed 1 day for recovery from etherization.
    • It was dissolved in 5% dextrose at 1.0 mg/mL and aliquoted into tubes and stored at - 20 deg C.
    • Reagents were aliquoted and each aliquot was used only once.
    • The DNase-treated RNA was precipitated, quantitated and aliquoted.

Origin

Late 16th century: from French aliquote, from Latin aliquot ‘some, so many’, from alius ‘one of two’ + quot ‘how many’.

 
 
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更新时间:2024/12/23 18:21:27