紫色

P28 紫色 Formation of a peptide bond 肽键形成–4侧链具有的反应–形成二硫键-其它反应 Tyr,His,Arg Review Isoelectric Point Titration滴定 of an amino acid 滴定 Gly幻灯片 18 His Lys Glu Reaction of amino acids Section 4 Protein isolation and purification 蛋白质分离及提纯 Working With Proteins Experimental techniques for protein analysis and characterization Purification steps A cell contains many types of proteins In the lab we want to isolate a single protein for experiments Purification steps We first grow cells or isolate tissues that contain the protein of interest We break open the cells to produce a crude extract Use centrifugation离心 to separate soluble from insoluble material We fractionate 分离 the protein mixture based on properties of such as size, charge affinity or solubility.

丹磺酰氯与氨基酸反应生成荧光性质强和稳定的磺胺衍生物，用于多肽链NH 用于多肽链 3末端氨基酸的标记烃基化反应(1) 2，4-二硝基氟苯2，4-dinitrofluorobenzene，二硝基氟苯(二硝基氟苯 DNFB也叫做试剂。DNFB在弱碱性溶液也叫做Sanger试剂试剂中与氨基酸发生取代反应，生成黄色化合物二硝基二硝基苯基氨基酸(dinitro phenyl amino acid， DNP氨基酸氨基酸)苯基氨基酸氨基酸(2)苯异硫氰酸酯(phenylisothiocyanate， PITC)在弱碱性条件下，与氨基酸反应在弱碱性条件下，生成苯乙内酰硫脲 PTH衍生物，(phenylthiohydantoin， PTH)衍生物，即PTH-氨基酸，此反应又称之Edman反应，该反应是蛋白质或多肽氨基酸序列测定常用的反应。

The color of the wine is a freakishly dense deep purple, with hints of black and blue.

酒液带有浓郁的深紫色，略泛些许蓝色和黑色。

If you have a lot of freckling or age spots in certain areas―say , the décolletage―then pick another body part to show off.

饱满、丰富的颜色立即提升了皮肤的亮度（考虑一些深紫、紫色、绿色、红色和蓝色）。

My favorite freesia is the purple and yellow ones.

我最喜欢的香素兰是紫色及黄色的。

The younger one was wearing a rose-coloured velvet coat, mauve trousers and a kind of frilled shirting.

年纪小点的那位穿着玫瑰色的天鹅绒上衣，淡紫色长裤，衬衫镶着丝边。

This purple frock is suitable for him.

这件紫色上衣他穿着很合适。

This purple frock is going on well with him.

这件紫色上衣他穿着很合适。

There purple frock is suitable for him.

这件紫色上衣他穿着很合适。

The purple frock is suitable for him.

这件紫色上衣他穿着很合适。

This purple frock is very becoming to him!

这件紫色上衣他穿着很合适。

What would he tell Judith and the children?

他将怎样告诉朱迪丝和孩子们呢？

I this is at that time, the opinion with peacockish true girl is full of in a heart.

这就是当时的我，一个心中布满虚荣的女孩子真实的想法。