FITC標(biāo)記葡聚糖
化學(xué)名稱:
·Dextran(3’,6’-dihyroxy-3-Oxospiro (isobenzofuran-1-(3H), 9'-[9Hxanthen]-5 (or 6)-ylcarbamothiate.
·Fluoresceinisothiocyanate-dextran
· Fluoresceinyl thiocarbamoyl-dextran
圖1 FITC標(biāo)記葡聚糖分子結(jié)構(gòu)示意圖
圖2 FITC標(biāo)記葡聚糖70在pH9.0磷酸鹽緩沖生理鹽水中的熒光圖譜
圖3 FITC標(biāo)記葡聚糖在pH4-9的熒光(發(fā)射波長(zhǎng)520nm)
Dextran MW
|
斯托克斯半徑 (Å)
|
回轉(zhuǎn)半徑 (Å)
|
2 x 106
|
270
|
380
|
1 x 106
|
199
|
275
|
500 000
|
147
|
200
|
200 000
|
130
|
130
|
100 000
|
69
|
95
|
70 000
|
58
|
80
|
40 000
|
44.5
|
62
|
10 000
|
23.6
|
-
|
Fig. 4. 不同濃度下葡聚糖的粘度
產(chǎn)品編號(hào)
|
品名
|
分子量(kDa)
|
包裝
|
FD4-100mg
|
FITC標(biāo)記葡聚糖4
|
4
|
100 mg
|
FD4-1g
|
1 g
|
||
FD4-5g
|
5 g
|
||
FD10-100mg
|
FITC標(biāo)記葡聚糖10
|
10
|
100 mg
|
FD10-1g
|
1 g
|
||
FD10-5g
|
5 g
|
||
FD20-100mg
|
FITC標(biāo)記葡聚糖20
|
20
|
100 mg
|
FD20-1g
|
1 g
|
||
FD20-5g
|
5 g
|
||
FD40-100mg
|
FITC標(biāo)記葡聚糖40
|
40
|
100 mg
|
FD40-1g
|
1 g
|
||
FD40-5g
|
5 g
|
||
FD70-100mg
|
FITC標(biāo)記葡聚糖70
|
70
|
100 mg
|
FD70-1g
|
1 g
|
||
FD70-5g
|
5 g
|
||
FD110-100mg
|
FITC標(biāo)記葡聚糖110
|
110
|
100 mg
|
FD110-1g
|
1 g
|
||
FD110-5g
|
5 g
|
||
FD150-100mg
|
FITC標(biāo)記葡聚糖150
|
150
|
100 mg
|
FD150-1g
|
1 g
|
||
FD150-5g
|
5 g
|
||
FD500-100mg
|
FITC標(biāo)記葡聚糖500
|
500
|
100 mg
|
FD500-1g
|
1 g
|
||
FD500-5g
|
5 g
|
||
FD2000-100mg
|
FITC標(biāo)記葡聚糖2000
|
2000
|
100 mg
|
FD2000-1g
|
1 g
|
||
FD2000-5g
|
5 g
|
圖5. 注射FITC標(biāo)記葡聚糖 150后拍攝的頰囊圖像。第二張圖顯示的是服用組胺后微血管的滲漏
(圖片版權(quán)E. Svensjö)
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