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单词 cryoprotectant
释义

Definition of cryoprotectant in English:

cryoprotectant

noun ˌkrʌɪəʊprəˈtɛkt(ə)ntˌkrīōprəˈtektənt
Physiology
  • A substance that prevents the freezing of tissues, or prevents damage to cells during freezing.

    Example sentencesExamples
    • It is currently believed that effective cryoprotectants for proteins or enzymes in solution are excluded from the immediate vicinity of these biological molecules.
    • Diplolepis overwinter in a prepupal stage; they are freezing-intolerant and develop cryoprotectants that lower their supercooling points.
    • Cold hardiness includes both widespread tolerance to freezing and extreme supercooling ability, as well as unusual responses in a few species, such as lack of typical cryoprotectants.
    • Chemicals called cryoprotectants reduce ice formation but have toxic effects that introduce their own problems.
    • This makes it possible for scientists to extract water from the embryo and replace it with a cryoprotectant like ethylene glycol, which prevents the embryo's 40,000 to 50,000 cells from being damaged by ice crystals during freezing.
 
 

Definition of cryoprotectant in US English:

cryoprotectant

nounˌkrīōprəˈtektənt
Physiology
  • A substance that prevents the freezing of tissues, or prevents damage to cells during freezing.

    Example sentencesExamples
    • Chemicals called cryoprotectants reduce ice formation but have toxic effects that introduce their own problems.
    • Cold hardiness includes both widespread tolerance to freezing and extreme supercooling ability, as well as unusual responses in a few species, such as lack of typical cryoprotectants.
    • This makes it possible for scientists to extract water from the embryo and replace it with a cryoprotectant like ethylene glycol, which prevents the embryo's 40,000 to 50,000 cells from being damaged by ice crystals during freezing.
    • It is currently believed that effective cryoprotectants for proteins or enzymes in solution are excluded from the immediate vicinity of these biological molecules.
    • Diplolepis overwinter in a prepupal stage; they are freezing-intolerant and develop cryoprotectants that lower their supercooling points.
 
 
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更新时间:2025/1/27 14:47:34