担たん体たい

noun

charge carrier

Physics term for a particle or quasiparticle that carries electric charge, such as an electron or hole in a semiconductor.

• 半はん導どう体たいでは、電でん子しと正せい孔こうが担たん体たいとして働はたらく。

  In semiconductors, electrons and holes act as charge carriers.

noun

carrier (chemistry)

Chemistry term for a substance that carries or transports another substance, often in a catalyst or separation process.

• 触しょく媒ばいは担たん体たいに担たん持じされることが多おおい。

  Catalysts are often supported on a carrier.

noun

carrier protein; transporter

Biochemistry term for a membrane protein that facilitates the movement of specific molecules across a biological membrane.

• グルコース担たん体たいは細さい胞ぼう膜まくに存そん在ざいする。

  Glucose transporters are present in the cell membrane.