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词汇 polysaccharide
释义 polysaccharide
noun[ C ]
 chemistry specializeduk /ˌpɒl.ɪˈsæk.ər.aɪd/ us /ˌpɑː.lɪˈsæk.ər.aɪd/
a complex type of carbohydrate, such as starch and cellulose, formed of large molecules多糖
Compare
monosaccharide
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polysaccharide | American Dictionary


polysaccharide
noun[ U ]
us/ˌpɑl·iˈsæk·əˌrɑɪd/
biology
a type of carbohydrate (= substance that provides energy), whose molecules (= smallest units of a substance) are groups of sugar molecules joined together

Examples of polysaccharide


polysaccharide
The tomato seeds induced to germinate release soluble sugars into the incubation medium, including a significant amount of mannose, which indicates active polysaccharide degradation.
Further studies are needed to identify the polysaccharide constituents of the plug.
Technical report : prevention of pneumococcal infections, including the use of pneumococcal conjugate and polysaccharide vaccines and antibiotics prophylaxis.
We have found that the 23-valent and (previous) 14-valent 83 % polysaccharide vaccines covered 97 % and respectively of invasive isolates.
This interpretation correlates with the concept that long polysaccharide chains are present within the granules, and is supported by our negative stain data (see below).
The coverage of non-susceptible penicillin and erythromycin noninvasive isolates was 99 % and 95 % with the 23-valent polysaccharide and 7-11-valent conjugate vaccines respectively.
These produce at least 3 types of polysaccharide and protein complexes, assumed to be glycoproteins or possibly mucopolysaccharides, and several esterases.
They are a rich source of non-starch polysaccharides and vitamins and minerals.
Typically, 300 mg (dry weight) of each polysaccharide was used as a batch.
This suggests that following prophylaxis, strains that do not express capsular polysaccharide may have the capability to recolonize their hosts more rapidly than capsulated strains.
Most meningococci that were isolated were of low pathogenic potential, with little expression of capsular polysaccharide.
Changes occurred after cessation of cell wall growth indicating considerable metabolism of cell wall polysaccharides after cessation of growth.
Many of these features are embedded in films that strongly resemble the water-rich extracellular polysaccharides produced by diverse microorganisms.
Expression of functionally active forms of these enzymes will be very useful in further characterization of the polysaccharide metabolism of this parasite.
The bacterium fermented sugars, di- and polysaccharides, under strongly anaerobic conditions.
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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