单词	tween
释义	tween1 /twiːn / (also tweenie) noun Short for tweenager. Tween2 /twiːn / noun trademark Any of a class of compounds used especially as emulsifiers and surfactants. They are derivatives of fatty acid esters of sorbitan.Genomic DNA from each mutant colony was extracted using a Tween - 20 / proteinase K digestion mixture.... We have studied the effect of the detergent Tween 20 on transient pores and the line tension in DOPC bilayers. Similar results for the SOS Chromotest were obtained with various non-ionic surfactants, such as Tween 20 and 80, Triton X - 305 and Tyloxapol. Origin 1940s: of unknown origin.
随便看	multiparity multiparous multipart multipartisan multi-partism multi-partist multipartite multipartizan multiparty multi-partyism multipass multipath multipathing multi-pattern multipeaked multiped multipedal multipede multipedous multipennate multiperforate multiperforated multiperiod multipersonal multiphase

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