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不同抗寒性的杜鹃品种叶片磷脂和脂肪酸组成差异性比较分析 被引量:25
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作者 沈漫 《南京林业大学学报(自然科学版)》 CAS CSCD 1997年第2期66-69,共4页
分析了杜鹃两个不同抗寒性的栽培品种毛白杜鹃(RhododendronmucronatumG.Don)和西洋杜鹃(R.hybridumHort.)叶片磷脂的主要组分和脂肪酸组成。杜鹃叶膜磷脂主要是磷脂酰胆碱(PC)、磷... 分析了杜鹃两个不同抗寒性的栽培品种毛白杜鹃(RhododendronmucronatumG.Don)和西洋杜鹃(R.hybridumHort.)叶片磷脂的主要组分和脂肪酸组成。杜鹃叶膜磷脂主要是磷脂酰胆碱(PC)、磷脂酰乙醇脂(PE)、磷脂酰甘油(PG)和磷脂酰肌醇(PI),脂肪酸组成主要是棕榈酸(160)、反式-3-十六碳烯酸(161(t))、硬脂酸(180)、油酸(181)、亚油酸(182)、亚麻酸(183)。研究结果表明,叶片膜磷脂的脂肪酸不饱和度及磷脂酰甘油(PG)的饱和脂肪酸水平均与品种抗寒性相关。抗寒品种毛白杜鹃具有较高的不饱和脂肪酸/饱和脂肪酸比值,其PG的饱和脂肪酸水平Σ[160+180+161(t)]低于不抗寒品种西洋杜鹃。 展开更多
关键词 杜鹃 抗寒性 叶膜磷脂 磷脂酰甘油 脂肪酸
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Monolayers Langmuir-Blodgett Films of Synthetic Artificial Mimic Molecules That Resemble the Following Tetraether Lipids on Silicon Wafers 被引量:1
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作者 Sri Vidawati Ulrich Rothe 《Advances in Biological Chemistry》 2015年第4期189-196,共8页
This study investigated the behavior and molecular organization of synthetic artificial mimic molecules that resemble the following tetraether lipids: di-O-hexadecyl-glycero-3-phosphatidyl-glycerol (DHGPG) and bis-4-d... This study investigated the behavior and molecular organization of synthetic artificial mimic molecules that resemble the following tetraether lipids: di-O-hexadecyl-glycero-3-phosphatidyl-glycerol (DHGPG) and bis-4-dodecylphenyl-12-phosphate. These molecules were analyzed using Langmuir film balance, ellipsometry and atomic force microscopy. The monolayer Langmuir-Blodgett films of DHGPG and bis-4-dodecylphenyl-12-phosphate were stable on the solid surface silicon wafers. The ellipsometry and AFM results showed that monolayers Langmuir-Blodgett films of DHGPG and bis-4-dodecylphenyl-12-phosphate were present, and the thickness of the observed films varied from 1.2 - 5.0 nm. 展开更多
关键词 Di-O-Hexadecyl-Glycero-3-phosphatidyl-glycerol (DHGPG) Bis-4-Dodecylphenyl-12-Phosphate LANGMUIR-BLODGETT Film ELLIPSOMETRY Atomic Force Microscopy (AFM)
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