V2EX bright-field

Bright-field

Definition / 定义

bright-field(明场):一种显微成像方式(常见于明场显微镜/明场显微法),样品通常呈现为较暗的结构,背景相对明亮;对比度多来自样品对光的吸收、散射或染色。该词也可泛指“明亮背景的视野/成像模式”。

Pronunciation / 发音

/brat fild/

Examples / 例句

Bright-field microscopy is often used to view stained cells.
明场显微镜观察常用于查看经过染色的细胞。

In bright-field images, unstained transparent specimens can look faint, so researchers may add contrast using dyes or special illumination.
在明场图像中,未染色的透明样品往往显得很淡,因此研究人员可能通过染料或特殊照明来增强对比度。

Etymology / 词源

bright(明亮的)+ field(视野/视场)。该组合源于光学与显微成像语境:以“明亮的背景视场”来描述这种成像条件,与“dark-field(暗场)”相对。

Related Words / 相关词

Literary Works / 文学作品

  • Molecular Biology of the Cell(《细胞的分子生物学》)中在显微观察章节常提及 bright-field microscopy
  • Campbell Biology(《坎贝尔生物学》)在显微技术与细胞观察相关内容中出现 bright-field
  • Optical Microscopy: Principles and Applications(光学显微镜原理与应用类教材/专著)中作为基础成像模式频繁出现 bright-field
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