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单词 agar
释义

Definition of agar in English:

agar

(also agar-agar)
noun ˈeɪɡɑː
mass noun
  • A gelatinous substance obtained from certain red seaweeds and used in biological culture media and as a thickener in foods.

    琼脂

    Example sentencesExamples
    • Precipitation of a peptide in the top agar with subsequent release of amino acids can also lead to confounding results.
    • Numbers of bacteria were measured using soil dilution plating on soil extract agar media.
    • The three bacterial species used to initially inoculate treatments grew readily on nutrient agar.
    • The neonate larvae were reared individually on plant material in 30 ml plastic cups lined with agar to keep the plant material fresh.
    • These are made by applying to the face a soft material such as wax, plaster, or, in modern times, agar, a vegetable gelatine.
    • Seeds were surface-sterilized and sown on GM agar plates lacking sucrose.
    • A fluorescence image of 12 tobacco plantlets growing on agar within a covered Perspex Petri dish.
    • So things like common salt, sugar and agar have to be documented even though harmless.
    • Suspected colonies were cultured overnight on Columbia blood agar.
    • Seeds are scraped off into sterilized flasks containing nutrient agar-agar.
    • You can find agar flakes, a seaweed-derived thickener, in natural food stores.
    • Starved border cells plated on to nutrient agar demonstrated no sign of contamination after 48 h incubation.
    • For the quinoa and verjus gelee salad: In a pot, combine verjus, sugar and agar-agar; let sit for 10 minutes then bring to a boil.
    • Arabidopsis plants were grown on agar containing a complete mineral complement and various concentrations of selenate and sulphate.
    • In making their nests, the birds cement a scaffolding of tiny twigs together with a sticky substance which has been variously identified as coming from regurgitated seaweed, such as agar-agar, or as being simply the birds' own saliva.
    • The gelatinizing agent was a Japanese seaweed called agar-agar, commonly found in organic stores.
    • All children are curious about the texture of the blood agar, and many have indicated an interest in touching it.
    • Some alternatives which produce results similar to gelatin are agar-agar, carrageenan, tapioca, sago, guar gum, pectin, and rennet.
    • To study these bacteria he grew them in glass Petri dishes on a substance called agar, in his laboratory.
    • The strains were maintained on nutrient agar slants before used.

Origin

Early 19th century: from Malay.

Definition of agar in US English:

agar

(also agar-agar)
noun
  • A gelatinous substance obtained from various kinds of red seaweed and used in biological culture media and as a thickener in foods.

    琼脂

    Example sentencesExamples
    • Numbers of bacteria were measured using soil dilution plating on soil extract agar media.
    • Seeds are scraped off into sterilized flasks containing nutrient agar-agar.
    • You can find agar flakes, a seaweed-derived thickener, in natural food stores.
    • Arabidopsis plants were grown on agar containing a complete mineral complement and various concentrations of selenate and sulphate.
    • The three bacterial species used to initially inoculate treatments grew readily on nutrient agar.
    • For the quinoa and verjus gelee salad: In a pot, combine verjus, sugar and agar-agar; let sit for 10 minutes then bring to a boil.
    • Some alternatives which produce results similar to gelatin are agar-agar, carrageenan, tapioca, sago, guar gum, pectin, and rennet.
    • To study these bacteria he grew them in glass Petri dishes on a substance called agar, in his laboratory.
    • The strains were maintained on nutrient agar slants before used.
    • In making their nests, the birds cement a scaffolding of tiny twigs together with a sticky substance which has been variously identified as coming from regurgitated seaweed, such as agar-agar, or as being simply the birds' own saliva.
    • Seeds were surface-sterilized and sown on GM agar plates lacking sucrose.
    • So things like common salt, sugar and agar have to be documented even though harmless.
    • The gelatinizing agent was a Japanese seaweed called agar-agar, commonly found in organic stores.
    • Precipitation of a peptide in the top agar with subsequent release of amino acids can also lead to confounding results.
    • These are made by applying to the face a soft material such as wax, plaster, or, in modern times, agar, a vegetable gelatine.
    • Suspected colonies were cultured overnight on Columbia blood agar.
    • The neonate larvae were reared individually on plant material in 30 ml plastic cups lined with agar to keep the plant material fresh.
    • All children are curious about the texture of the blood agar, and many have indicated an interest in touching it.
    • A fluorescence image of 12 tobacco plantlets growing on agar within a covered Perspex Petri dish.
    • Starved border cells plated on to nutrient agar demonstrated no sign of contamination after 48 h incubation.

Origin

Early 19th century: from Malay.

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更新时间:2024/12/28 22:18:19