| 词汇 | lipid |
| 释义 | lipid noun[ C ] chemistry specializeduk /ˈlɪp.ɪd/ us /ˈlɪp.ɪd/ a substance such as a fat, oil, or wax that dissolves in alcohol but not in water and is an important part of living cells脂，脂质 Substances & structures in the body abductor accessorius ACL actin adductor fundus funiculus fusiform glomerular glomerulus myosin navicular neuroendocrine neurohormonal neurohormone tendinis tendinous tendinum tendo tensor lipid | American Dictionarylipid noun[ C ] us/ˈlɪp·ɪd/ biology a substance that is an important part of living cells, mainly in the form of fat or oil Examples of lipidlipid Interestingly, all known tick salivary vasodilators reported to date are lipid derivatives. Due to their geometry, cone- and inverted cone-shaped lipids create packing stresses within a bilayer. Proteins can of course modulate the behavior of membrane lipids in diverse manners, and through a variety of types of interactions, both specific and non-specific. Liposomes are lipid membrane particles that serve as vehicles or delivery systems for vaccine antigens. The measured increase in the thickness of the embryos reflects an increase in the storage reserves, especially protein and lipid. As described above, the endosperm of the mature grain is packed with storage polymers rich in carbohydrate, protein and lipid. All the proteins are functional in both solubilizing lipids and binding with all appropriate receptor proteins, albeit with different efficiencies. In oligodendrocytes, recent studies provided evidence of a complex apparatus of molecules, which might coordinate trafficking of proteins and lipids. Although hopanoid biosynthesis does not require oxygen, these lipids have never been isolated from strictly anaerobic bacteria. Above a threshold concentration, the peptide disrupts the lipid packing, which leads to the internalization of the peptide. The decline in axis viability below the critical water content was correlated with sharp increases in lipid peroxidation and cellular leakage. Secondly, the eggs are larger and differ in their relative proportions of proteins and lipids. Controlled deposition of lipid monolayers and bilayers onto mica and direct force measurements between galactolipid bilayers in aqueous-solutions. Visual observations of the chromatograms showed that the most abundant lipid fraction in all stages was free sterol. The cytoplasm of normal blastomeres was occupied by vacuoles with electron-dense granular material and large lipid drops. See all examples of lipid 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. Collocations withlipidlipidThese are words often used in combination with lipid. Click on a collocation to see more examples of it. lipid bilayer The lipid bilayer matrix of the membranes of normal cells is in a liquid crystalline (fluid) state. lipid composition The lipid composition of the ganglioside preparation consists of about 45-50 % (w/w) phospholipids and 15-20 % (w/w) gangliosides. lipid content The sum of the volume of droplets was calculated for each copepod as a measure of storage lipid content. 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. See all collocations with lipid |
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