agar是什么意思？

agar

英[ˈeɪgɑ:(r)] 美['eɪɡɑr]

• n. 琼脂（一种植物胶，用海产石花菜类制成，可作冷食或微生物的培养基等），石花菜，洋菜，冻粉；

例句

• We will conduct double agar diffusion and counter immunoelectrophoresis with aluminium potassium sulfate and sodium bicarbonate. 方法:用硫酸铝钾和碳酸氢钠做琼脂双向扩散、单向扩散以及对流电泳.
• For these reasons, agar rapidly replaced gelatin as the hardening agent of choice for bacterriological work. 由于这些原因, 琼脂很快代替了明胶,或为细菌学研究的较理想的固化剂.
• DeternSning contents of immunoglobulin and alexin in milk by Agar Immunodiffusion technique. 用琼脂单项免疫扩散法测定牛乳免疫球蛋白和补体含量.
• Various overlay mediums , such as agar , starchgel, methyl cellulose and tragacanth are used. 常用的覆盖培养基有:琼脂 、 淀粉凝胶甲基纤维素和黄蓍胶等.
• The virulent strains had a polysaccharide capsule and formed smooth colonies on agar medium. 有毒菌株具有多糖荚膜它在琼脂培养基上形成光滑的菌落.
• Agar is complex polysaccharide, extracted from red algae. 琼脂是一种从红藻中提取的复杂的多糖.
• Due to acidification the agar surrounding the colonies may become yellow. 由于酸化反应,菌落的周围会变成黄色.

英英词典释义

• Noun
  1. any culture medium that uses agar as the gelling agent
  2. a colloidal extract of algae; used especially in culture media and as a gelling agent in foods

行业词典

• 医学： 〔NF〕琼脂，洋粉：从胶石花菜(Gelidium cartilagineum)细水绵(Gra-cilaria confervoides)及有关红藻(red algae)中提取的一种粘性物质。在100℃时熔化，40℃时固化成凝胶。不能被大部分细菌所消化，故用作微生物的固体培养基的凝胶，增容性轻泻剂，制备乳剂，以及免疫扩散和免疫电泳时的支持性基质；
  水产： 琼脂；又称“琼胶”、“冻粉”。从石花菜、江蓠、紫菜等红藻中提取的多糖类胶质。；
  生物学： 琼脂；