| 单词 | polysaccharide |
| 释义 | polysaccharide noun[C] chemistryspecializeduk/ˌpɒl.ɪˈsæk.ər.aɪd/us/ˌpɑː.lɪˈsæk.ər.aɪd/acomplextypeofcarbohydrate, such asstarchandcellulose,formedoflargemolecules 多糖Compare monosaccharide Biochemistry
polysaccharide| American Dictionarypolysaccharide noun[U] us/ˌpɑl·iˈsæk·əˌrɑɪd/biology atypeofcarbohydrate(=substancethatprovidesenergy), whosemolecules(=smallestunitsof asubstance)aregroupsofsugarmoleculesjoinedtogether Examplesofpolysaccharidepolysaccharide The tomato seeds induced to germinate release soluble sugars into the incubation medium, including a significant amount of mannose, which indicates activepolysaccharidedegradation. From theCambridge English Corpus Further studies are needed to identify thepolysaccharideconstituents of the plug. From theCambridge English Corpus Galactomannans are polysaccharides with b-1,4linked mannose as a backbone to which a number of a-1,6-linked galactose side-chains are attached. From theCambridge English Corpus Technical report : prevention of pneumococcal infections, including the use of pneumococcal conjugate andpolysaccharidevaccines and antibiotics prophylaxis. From theCambridge English Corpus We have found that the 23-valent and (previous) 14-valent 83 %polysaccharidevaccines covered 97 % and respectively of invasive isolates. From theCambridge English Corpus This interpretation correlates with the concept that longpolysaccharidechains are present within the granules, and is supported by our negative stain data (see below). From theCambridge English Corpus The coverage of non-susceptible penicillin and erythromycin noninvasive isolates was 99 % and 95 % with the 23-valentpolysaccharideand 7-11-valent conjugate vaccines respectively. From theCambridge English Corpus These produce at least 3 types ofpolysaccharideand protein complexes, assumed to be glycoproteins or possibly mucopolysaccharides, and several esterases. From theCambridge English Corpus They are a rich source of non-starch polysaccharides and vitamins and minerals. From theCambridge English Corpus Typically, 300 mg (dry weight) of eachpolysaccharidewas used as a batch. From theCambridge English Corpus This suggests that following prophylaxis, strains that do not express capsularpolysaccharidemay have the capability to recolonize their hosts more rapidly than capsulated strains. From theCambridge English Corpus Most meningococci that were isolated were of low pathogenic potential, with little expression of capsularpolysaccharide. From theCambridge English Corpus Changes occurred after cessation of cell wall growth indicating considerable metabolism of cell wall polysaccharides after cessation of growth. From theCambridge English Corpus Many of these features are embedded in films that strongly resemble the water-rich extracellular polysaccharides produced by diverse microorganisms. From theCambridge English Corpus Expression of functionally active forms of these enzymes will be very useful in further characterization of thepolysaccharidemetabolism of this parasite. From theCambridge English Corpus These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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