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氟是电负性最大的元素,其范德华半径与氢、氧原子相近,且C-F键的键能大于C-H键键能,所以含氟有机化合物能轻松地代替非氟母体进入生物体参与代谢过程,同时又阻碍正常的代谢循环。这种“伪拟效应”和“阻断效应”使含氟有机化合物具有特异的生物活性和生物体适应性,含氟药物的疗效也比一般药物强多倍。最著名的含氟药物是美国辉瑞公司研发的降胆固醇药物——立普妥,上市后便一跃成为全球首个销售额破百亿美元的药品,创造了制药史上的一大奇迹。目前世界上已商品化和正在开发的含氟药物有近百种(图1),每年上市的新药中大约有20%都含有一个或多个氟原子。
氟也常被引入农用化学品中,提高其性能。目前已开发的含氟农用化学品有伏草隆、氟乐灵、乙氧氟草醚等除草剂和氟蚜蝗、除虫脲、含氟拟除虫菊酯等杀虫剂。除此之外,含氟有机化合物还可用于材料领域。有着“塑料王”之称的聚四氟乙烯(PTFE)是一种以四氟乙烯作为单体聚合而成的高分子聚合物,耐高低温(-200 ~ +260℃),除熔融的碱金属外,PTFE几乎不受其他化学试剂腐蚀。
203854-58-4 | (2S)-3-(Fmoc-amino)-2-methyl-propanoic acid |
193086-74-7 | N-Fmoc-N-methyl-2-fluoro-D-phenylalanine |
847147-40-4 | N-Boc-2-(4-Trifluoromethylphenyl)-glycine |
331763-66-7 | (R)-3-Fluoro-b-(Boc-amino)benzenebutanoic acid |
270065-77-5 | (S)-Boc-3-trifluoromethyl-b-homophenylalanine |
270065-74-2 | (S)-Boc-2-trifluoromethyl-b-homophenylalanine |
1004959-90-3 | N-Fmoc-2,5-difluoro-L-phenylalanine |
1269950-55-1 | 2-Fluoro-4-methyl-D-phenylalanine |
1241682-16-5 | (S)-a-Amino-3,4-difluorobenzeneacetic acid |
1269836-19-2 | 5-Bromo-2-fluoro-D-phenylalanine |
1997394-38-3 | N-Fmoc-5-bromo-2-fluoro-D-phenylalanine |
947615-61-4 | 4-Chloro-2-fluoro-D-phenylalanine |
185837-15-4 | 4-Chloro-2-fluoro-L-phenylalanine |
1217768-67-6 | N-Fmoc-4-chloro-2-fluoro-D-phenylalanine |
2349948-37-2 | Fmoc-(S)-2-amino-5-(4-fluorophenyl)pentanoic acid |
2349755-07-1 | Fmoc-(S)-2-amino-5-(2-fluorophenyl)pentanoic acid |
1217680-33-5 | N-Fmoc-4-fluoro-2-chloro-D-phenylalanine |
1217789-59-7 | N-Fmoc-4-fluoro-2-chloro-L-phenylalanine |
2094-03-3 | 3'-Fluorobiphenyl-2-carboxylic acid |
10355-13-2 | 4'-(Trifluoromethyl)--biphenyl-4-ol |
321-62-0 | 2'-Fluoro-biphenyl-4-ol |
10540-41-7 | 4'-Fluoro-[1,1'-biphenyl]-3-ol |
65295-58-1 | 1-(Bromomethyl)-3-(4-fluorophenoxy)benzene |
57592-42-4 | 2'-Fluoro-biphenyl-4-carboxaldehyde |
2924-65-4 | 2-(2-Fluorophenoxy)ethanol |
208259-57-8 | 3,5-Difluoro-oxo-benzeneacetic acid ethyl ester |
135325-18-7 | Methyl 2-(4-trifluoromethylphenyl)acetate |
883531-28-0 | 2-Fluoro-4-methoxybenzeneacetic acid |
889939-79-1 | 4-(4-Fluorophenyl)oxane-4-methanamine |
22116-33-2 | 2-[(4-Fluorobenzyl)amino]ethanol |
1216658-90-0 | 1-(4-Fluorophenyl)-cyclobutanamine HCl |
95096-06-3 | 3-Trifluoromethyl-benzenepropanenitrile |
73246-30-7 | 3,5-Difluoro-L-tyrosine |
1241680-26-1 | 3,5-Difluoro-D-tyrosine |
273221-86-6 | N-Fmoc-3,5-Difluoro-L-tyrosine |
75453-82-6 | 1-(2-Aminoethyl)-3-(fluorescein-5-yl)thiourea HCl |
647857-39-4 | N-Boc-trans-4-fluoro-D-proline methyl ester |
647857-43-0 | N-Boc-cis-4-fluoro-D-proline methyl ester |
2222114-23-8 | 2-(2,6-Dioxopiperidin-3-yl)-5-fluoro-6-(piperazin-1-yl)isoindoline-1,3-dione HCl |
617718-46-4 | 3-Fluoro-azetidine HCl |
194427-15-1 | 1-(3-Azetidinyl)-4-fluoro-piperidine 2HCl |
1236862-38-6 | 3-[4-(Trifluoromethyl)phenoxy]azetidine HCl |
1642298-59-6 | 3-(Fluoromethyl)azetidine HCl |
1250241-63-4 | b-Amino-4-chloro-3-fluorobenzeneethanol |
165328-10-9 | (4-Trifluoromethylbenzoyl)-3,3,3-trifluoroacetone |
94856-24-3 | (3-Trifluoromethylbenzoyl)-3,3,3-trifluoroacetone |
94856-23-2 | (2-Trifluoromethylbenzoyl)-3,3,3-trifluoroacetone |
737772-45-1 | Ethyl a,g-dioxo-3-trifluoromethylbenzenebutanoate |
3202-36-6 | 4-(3-Fluorophenoxy)piperidine HCl |
906369-56-0 | 1-Boc-4-cyano-4-(3,4-difluorophenyl)-piperidine |
1198286-56-4 | 1-Boc-4-(4-trifluoromethylphenyl)-4-carboxypiperidine |
873429-60-8 | 2,3,6-Trifluoro-L-phenylalanine |
845530-07-6 | Boc-4-(3-chloro-4-fluorophenyl)-D-phenylalanine |
93939-74-3 | (R)-2-(4-Fluorophenyl)glycine |
1217818-53-5 | Fmoc-(R)-3-Amino-4-(2,4,5-trifluorophenyl)butyric acid |
1228557-19-4 | (S)-2-Amino-2-(4-trifluoromethoxyphenyl)acetic acid |
916422-01-0 | 4-(Fmoc-amino)-1-(3,5-difluorobenzyl)-4-carboxypiperidine |
58281-79-1 | (4S)-4-Fluoro-L-proline methyl ester HCl |
536747-87-2 | 4,4-Difluoro-1-Boc-D-proline |
1822546-08-6 | a-(Boc-amino)-4,4-difluorocyclohexaneacetic acid |
203866-21-1 | 1-Fmoc-4,4-difluoro-L-proline |
5001-96-7 | 2-Fluoro-biphenyl-4-acetic acid |
122665-97-8 | 4,4-Difluoro-cyclohexanecarboxylic acid |
208183-93-1 | 3-(2-Fluorophenyl)-2-propyn-1-ol |
80151-28-6 | 3-(4-Fluorophenyl)-2-propyn-1-ol |
22515-18-0 | 4,4-Difluoro-cyclohexanone |
76579-46-9 | 4-(2,2,2-Trifluoroethoxy)-benzaldehyde |
140681-55-6 | Selectfluor® fluorinating reagent |
33454-82-9 | Lithium Trifluoromethanesulfonate |
78239-71-1 | 3-Bromo-4-fluorobenzyl bromide |
1008112-39-7 | 4-Ethynyl-2-fluorobenzenamine |
81580-50-9 | Ethyl 2-(2-trifluoromethylphenyl)acetate |
600735-64-6 | 3'-Fluoro-biphenyl-3-methanamine |
600735-62-4 | 2'-Fluoro-biphenyl-3-methanamine |
474709-83-6 | 1-(4-Fluorophenyl)-cyclopropanamine |
59382-36-4 | 1-(3-(Trifluoromethyl)phenyl)ethylamine |
60287-77-6 | 2-[4-(Trifluoromethyl)phenoxy]aniline |
179057-32-0 | 4-(4-Fluorophenoxy)benzylamine |
6096-89-5 | 2-(4-Fluorophenoxy)ethylamine |
625437-46-9 | N-Cyclopropyl-4-fluoro-benzylamine |
2195-44-0 | 2-Bromo-N-(4-fluorophenyl)acetamide |
1281311-37-2 | 3-Fluoro-4-(3-morpholino-pyrrolidino)aniline |
193903-35-4 | 4-(4-Trifluoroacetyl-piperazin-1-yl)aniline |
943752-61-2 | 1-(4-Amino-2-fluorophenyl)-2-pyrrolidinemethanol |
877151-52-5 | 3-(Trifluoromethoxy)-benzenepropanamine |
465529-50-4 | 4-(Trifluoromethoxy)-benzenepropanamine |
104774-87-0 | 3-(Trifluoromethyl)-benzenepropanamine |
101488-65-7 | 4-Fluoro-benzenepropanamine |
1239460-72-0 | Ethyl 5-amino-2-fluoro-benzeneacetate HCl |
1183538-54-6 | 2',4'-Difluoro-biphenyl-4-methanamine HCl |
57946-61-9 | 4-(2,2,2-Trifluoroethoxy)aniline |
1011244-70-4 | N-(4-Aminophenyl)-4-trifluoromethylbenzamide |
1020962-19-9 | 4-Ethyl-a-(4-fluorophenyl)benzenemethanamine HCl |
84315-23-1 | 3,5-Difluorocinnamic acid |
224434-01-9 | (S)-b-Amino-4-fluoro-benzeneethanol |
149809-43-8 | (3S,5R)-5-(1,2,4-Triazol-1-yl-methyl)-5-(2,4-difluorophenyl)-3-(tosyloxymethyl)tetrahydrofuran |
185110-19-4 | 2-(4-Trifluoromethylphenyl)piperazine 2HCl |
312904-49-7 | 3-Fluoro-2-pyridinemethanamine 2HCl |
291536-42-0 | 5-(4-Fluorobenzyl)-2,4-thiazolidinedione |
276235-91-7 | 5-Fluoro-2-benzofuranmethanol |
1017231-15-0 | 2-[(4-Fluorophenoxy)methyl]morpholine HCl |
21667-61-8 | 3-(3-Fluorophenyl)-3-oxo-propanenitrile |
252955-07-0 | Ethyl 3-(3,4-difluorophenyl)-3-oxopropanoate |
896133-70-3 | 4,4,4-Trifluoro-1-(6-methoxy-3-pyridinyl)-1,3-butanedione |
582-65-0 | 4,4,4-Trifluoro-1-(4-fluorophenyl)-1,3-butanedione |
260246-17-1 | Methyl 3-(3-fluorophenyl)-3-oxopropanoate |
212755-77-6 | Methyl 2-(2-trifluoromethylbenzoyl)acetate |
359424-42-3 | Ethyl 3-(3,5-difluorophenyl)-3-oxopropanoate |
221121-36-4 | 4-(3-Fluorophenyl)-3-oxobutanoic acid ethyl ester |
1683-49-4 | 4-(3-Trifluoromethylphenyl)-4-piperidinol HCl |
80119-54-6 | 4-(3-Fluorophenyl)-4-piperidinol HCl |
644981-88-4 | 4-(4-Fluorophenyl)piperidine-4-carboxylic acid HCl |
639468-69-2 | a-(3-Fluorophenyl)-4-piperidinemethanol |
871112-36-6 | 1-Boc-4-(3,4-difluorophenyl)-4-piperidinol |
577986-35-7 | 3-(4-Fluorophenyl)-3-pyrrolidinol HCl |
233261-74-0 | 4-(3,4-Difluorophenyl)-4-piperidinol HCl |
72216-04-7 | 2-(2-Fluorophenyl)pyrrolidine |
125067-75-6 | 3-(3-Fluorophenyl)pyrrolidine HCl |
943843-62-7 | 3-(2-Fluorophenyl)pyrrolidine HCl |
524674-04-2 | 2-[2-(Trifluoromethyl)phenyl]pyrrolidine HCl |
1404196-37-7 | 8-Boc-2-fluoro-3-oxo-8-azabicyclo[3.2.1]octane |
97731-02-7 | 2-Fluoro-D-phenylalanine |
249648-08-6 | 3,4-Difluoro-D-phenylalanine |
266360-63-8 | 3,5-Difluoro-D-phenylalanine |
110117-84-5 | 3-Fluoro-D-phenylalanine |
114872-99-0 | 4-Trifluoromethyl-D-phenylalanine |
40332-58-9 | 3-(Pentafluorophenyl)-D-alanine |
19883-78-4 | 2-Fluoro-L-phenylalanine |
119009-47-1 | 2-Trifluoromethyl-L-phenylalanine |
31105-90-5 | 3,4-Difluoro-L-phenylalanine |
31105-91-6 | 3,5-Difluoro-L-phenylalanine |
19883-77-3 | 3-Fluoro-L-phenylalanine |
14464-68-7 | 3-Trifluoromethyl-L-phenylalanine |
1132-68-9 | 4-Fluoro-L-phenylalanine |
114926-38-4 | 4-Trifluoromethyl-L-phenylalanine |
34702-59-5 | 3-(Pentafluorophenyl)-L-alanine |
114873-10-8 | Boc-2-Fluoro-D-phenylalanine |
205445-51-8 | Boc-3,4-Difluoro-D-phenylalanine |
205445-53-0 | Boc-3,5-Difluoro-D-phenylalanine |
114873-11-9 | Boc-3-Fluoro-D-phenylalanine |
82317-82-6 | Boc-3-Trifluoromethyl-D-phenylalanine |
57292-45-2 | Boc-4-Fluoro-D-phenylalanine |
82317-83-7 | Boc-4-Trifluoromethyl-D-phenylalanine |
136207-26-6 | Boc-3-(Pentafluorophenyl)-D-alanine |
114873-00-6 | Boc-2-Fluoro-L-phenylalanine |
167993-21-7 | Boc-2-Trifluoromethyl-L-phenylalanine |
198474-90-7 | Boc-3,4-Difluoro-L-phenylalanine |
205445-52-9 | Boc-3,5-Difluoro-L-phenylalanine |
142995-31-1 | Boc-3-Trifluoromethyl-L-phenylalanine |
41153-30-4 | Boc-4-Fluoro-L-phenylalanine |
114873-07-3 | Boc-4-Trifluoromethyl-L-phenylalanine |
34702-60-8 | Boc-3-(Pentafluorophenyl)-L-alanine |
352523-15-0 | Fmoc-2-Trifluoromethyl-D-phenylalanine |
198545-72-1 | Fmoc-3-Fluoro-D-phenylalanine |
205526-28-9 | Fmoc-3-Trifluoromethyl-D-phenylalanine |
177966-64-2 | Fmoc-4-Fluoro-D-phenylalanine |
238742-88-6 | Fmoc-4-Trifluoromethyl-D-phenylalanine |
205526-26-7 | Fmoc-2-Fluoro-L-phenylalanine |
352523-16-1 | Fmoc-2-Trifluoromethyl-L-phenylalanine |
198560-43-9 | Fmoc-3,4-Difluoro-L-phenylalanine |
205526-24-5 | Fmoc-3,5-Difluoro-L-phenylalanine |
169243-86-1 | Fmoc-4-Fluoro-L-phenylalanine |
247113-86-6 | Fmoc-4-Trifluoromethyl-L-phenylalanine |
205526-32-5 | Fmoc-3-Pentafluorophenyl-L-alanine |
2629-55-2 | 2-Fluoro-DL-phenylalanine |
456-88-2 | 3-Fluoro-DL-phenylalanine |
51-65-0 | 4-Fluoro-DL-phenylalanine |
3832-73-3 | 2-Trifluoromethyl-DL-phenylalanine |
63701-37-1 | 3-Trifluoromethyl-DL-phenylalanine |
14091-16-8 | 4-Trifluoromethyl-DL-phenylalanine |
67337-05-7 | Boc-5-Fluoro-DL-tryptophan |
114926-41-9 | Boc-5-Fluoro-D-tryptophan |
53478-53-8 | Boc-5-Fluoro-L-tryptophan |
154-08-5 | 5-Fluoro-DL-tryptophan |
97749-24-1 | 5-Fluoro-D-tryptophan |
16626-02-1 | 5-Fluoro-L-tryptophan |
1384102-00-4 | Boc-7-Fluoro-L-tryptophan |
1384101-98-7 | Boc-7-Fluoro-D-tryptophan |
138514-97-3 | 7-Fluoro-L-tryptophan |
138514-98-4 | 7-Fluoro-D-tryptophan |
53314-95-7 | 7-Fluoro-DL-tryptophan |
242475-26-9 | 2-[3-(Trifluoromethyl)phenyl]glycine |
84145-28-8 | 2-(2-Fluorophenyl)glycine |
266360-59-2 | 2,3-Difluoro-D-phenylalanine |
266360-60-5 | 2,4-Difluoro-D-phenylalanine |
266360-61-6 | 2,5-Difluoro-D-phenylalanine |
266360-62-7 | 2,6-Difluoro-D-phenylalanine |
236754-62-4 | 2,3-Difluoro-DL-phenylalanine |
32133-35-0 | 2,4-Difluoro-DL-phenylalanine |
32133-39-4 | 2,6-Difluoro-DL-phenylalanine |
261952-26-5 | 3,4,5-Trifluoro-DL-phenylalanine |
32133-36-1 | 3,4-Difluoro-DL-phenylalanine |
7731-00-2 | 3-Chloro-4-fluoro-DL-phenylalanine |
439587-16-3 | 4-Chloro-3-fluoro-DL-phenylalanine |
3321-96-8 | 3-(Pentafluorophenyl)-DL-alanine |
32133-37-2 | 3,5-Difluoro-DL-phenylalanine |
873429-58-4 | 2,3,4-Trifluoro-L-phenylalanine |
266360-42-3 | 2,3-Difluoro-L-phenylalanine |
749847-57-2 | 2,4,5-Trifluoro-L-phenylalanine |
31105-93-8 | 2,4-Difluoro-L-phenylalanine |
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蛋白降解靶向嵌合分子(PROTAC)介绍及分子设计要素
PROTAC 全称为 PROteolysis-TArgeting Chimeras (蛋白降解靶向嵌合分子),是一种杂合双功能小分子化合物,结构中含有两种不同配体,一个是泛素连接酶 E3 配体,另一个是与细胞中目标靶蛋白结合的配体,两个配体之间通过 linker 相连,从而形成 “ 三体 ” 聚合物——靶蛋白配体-Linker-E3 配体。


新研博美与您有“氟”同享——上千种含氟砌块任你选


新研博美荧光染料分类:花菁染料Cyanine,荧光素FITC,罗丹明RB,AF系列详细介绍
荧光染料是在荧光剂的帮助下对细胞成分进行高度特异性的可视化。可以是一种荧光蛋白、例如?GFP在基因上与感兴趣的蛋白质相关联。接下来,新研博美的小编带大家了解一下我们公司荧光染料的分类。
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一、花菁染料
1、Cyanines(Cyanine dyes花菁染料)
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花青素(Cyanines)是在两个具有离域电荷的氮原子之间含有聚甲炔桥的分子:花青素(Cyanines)染料主要用于通过光学方法监测细胞、细胞器和囊泡中的膜电位差。用于通过光学方法监测细胞、细胞器和囊泡中的膜电位差。这些对电位敏感的染料在分子结构、电荷和通过膜的渗透性方面有所不同。根据染料的不同,涉及到与膜的电位依赖性结合以及二聚体和更高聚集体的形成。
花菁染料有两种:非磺化花菁和磺化花菁。对于许多应用,它们是可互换的,因为它们的光谱特性几乎相同。磺化和非磺化染料均可用于标记生物分子,例如DNA和蛋白质。染料之间的区别在于它们的溶解度:硫化染料是水溶性的,并且它们在水性环境中不使用有机助溶剂进行标记。它们不易在水中聚集。在某些情况下,需要使用一种类型的花菁。
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非磺化花菁染料
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Cyanine3 NHS ester
Cyanine3.5 carboxylic acid
Cyanine5 azide
Cyanine5.5 hydrazide
Cyanine7 amine
Cyanine7.5 tetrazine
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磺化花菁染料
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sulfo-Cyanine3 DBCO
Sulfo-Cyanine3.5 alkyne
Sulfo-Cyanine5 NHS ester
Sulfo-Cyanine5.5 azide
Sulfo-Cyanine7 maleimide
Sulfo-Cyanine7.5 carboxylic acid
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2、ICG吲哚菁绿
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Indocyanine Green,ICG,吲哚菁绿CAS:3599-32-4是一种三碳菁染料,具有良好的水溶性,分子量为775,吲哚菁绿完全可以在血浆和全血液中几乎完全与血浆蛋白结合,可以保证其几乎完全留在血管中,不易向外扩散,因此被作为一种常用的血管造影剂使用。
ICG的在活体内几乎无任何毒副作用,他的吸收光在近红外范围(800-840nm),大的吸收峰为805nm?大的发射峰835nm。
ICG是一种带负电荷的聚甲基菁染料,跟CY3,CY5,CY7这些菁染料不同的是他有这更高的吸收和发射波长,它的波长是800nm,虽然ICG的跟CY7.5的波长接近,但ICG却有着CY7.5无法达到的血红细胞结合能力。ICG染料比CY系列的花菁染料毒性更低,安全性更好及更的光稳定性的近红外荧光染料。
ICG-Alkyne
ICG-NH2
ICG-NHS ester
ICG-DBCO
ICG-carboxylic acid
ICG-azide
ICG-Tetrazine
ICG-Hydrazide
ICG-Maleimide
ICG-TCO
ICG-CBT
ICG-SH
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二、荧光素
1、FITC(Fluorescein?Isothiocyanate,异硫氰酸荧光素)
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FITC是一种绿色荧光团,在免疫学实验里,经常被用于荧光团标记到相应的检测分子,如抗体上。FITC的纯品为黄色或橙黄色结晶粉末,易溶于水和酒精溶剂。FITC分子量为389.4,最大吸收光波长为?490~495nm,最大发射光波长为520~530nm,呈现明亮的黄绿色荧光。FITC在冷暗干燥处可保存多年,是目前应用最广泛的荧光素。
5-FITC-DBCO
5-FITC-Tetrazine
5-FITC-Maleimide
5-FITC-PEG3-Amine
5-FITC-PEG4-Amine
5-FITC-PEG4-alkyne
5-FITC-PEG4-COOH
5-FITC-PEG5-COOH
5-FITC-PEG6-COOH
5-FITC-PEG2-azide
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2、FAM(Carboxyfluorescein,羧基荧光素)
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FAM(羧基荧光素)?是常用的荧光标记试剂, 在细胞学实验中用的比较多,将其与所要研究的蛋白相连,可以观察该种蛋白主要分布情况,在细胞内的代谢需要通过什么细胞器。也可用于研究蛋白相互作用。?
5-FAM alkyne
5-FAM amine HCl
5-FAM azide
5-FAM DBCO
5-FAM hydrazide HCl
5-FAM Maleimide
5-FAM Me-tetrazine
5-FAM tetrazine
6-FAM-alkyne
6-FAM-N3
6-FAM-DBCO
6-FAM-Mal
6-FAM-tetrazine
6-FAM-NHS
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三、RB(Rhodamine B罗丹明染料)
1、TAMRA(Carboxytetramethylrhodamine 羧基四甲基罗丹明)
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TAMRA是在用的多种不同共轭物中的荧光试剂之一,可标记蛋白质和寡核苷酸。TAMRA具有吸光的性质,它的光谱与几类常用的荧光化合物重叠,TMR是明亮的橙色荧光基团。经常用于淬灭基团的标记。
5-TAMRA NHS ester
5-TAMRA azide
5-TAMRA amine
5-TAMRA alkyne
5-TAMRA-PEG3-DBCO
5-TAMRA
6-TAMRA azide
6-TAMRA alkyne
6-TAMRA maleimide
6-TAMRA maleimide
6-TAMRA hydrazide
6-TAMRA amine
6-TAMRA NHS ester
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2、SIR(Si Rhodamine硅基罗丹明)
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硅-罗丹明是用二甲基硅基替换四甲基罗丹明母核中的氧原子得到的一类具有更长发射波长、更好光稳定性的荧光染料、以及标记时更低荧光背景的荧光染料。SiR 染料最大激发波长 652 nm,最大发射波长 674 nm,处于红外光区;光稳定性好,成功应用于超高分辨成像;在溶液中常处于闭环状态,因而标记时荧光背景非常低。将 SiR 羧酸与各种点击化学接头连接,我们开发了一系列的 SiR-Click 探针,用于生命科学相关研究。
SiR-alkyne
SiR-azide
SiR-BCN
SiR-COOH
SiR-Maleimide
SiR-NHS ester
SiR-tetrazine
SiR-Me-tetrazine
SiR-DBCO
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四、AF系列染料(Alexa Fluor)
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Alexa Fluor可应用于生物医学研究中对组织、细胞和生物分子等的标记、定位。其激发光和发射光光谱覆盖大部分可见光和部分红外线光谱区域,适用于绝大多数荧光显微镜. 该系列各染料则主要根据其激发光的最大波长(nm)命名。
Alexa系列染料通过化学合成方法在香豆素、氧杂蒽(如荧光素和罗丹明)、青色素等染料中引入磺酸酯基团,使得Alexa染料呈负电性和亲水性,让Alexa具有更好的光学稳定性、发光强度以及pH的适应性。
AF 647
AF 647 是一组荧光染料,由于磺酸基团的引入,使 AF 647 染料呈负电性和亲水性,因而具有更好的光稳定性、发光强度及 pH 适应性。与 Cyanine 5 相比,AF 647 在标记 DNA 时虽不如 Cyanine 5 颜色明亮,但具有更好的光稳定性。将点击化学接头如:DBCO、Azide、Alkyne、Tetrazine 等与 AF 647 连接,我们合成了一系列 AF 647 荧光探针,可用于生物医学研究中对组织、细胞和生物分子的标记和定位。
AF 647 Acid
AF 647 alkyne
AF 647 azide
AF 647 amine
AF 647 NHS ester
AF 647 Maleimide
AF 647 DBCO
AF430
AF430是一种香豆素染料,最大吸收波长为430 nm,发射波长为绿黄色(最大发射波长为542 nm)。染料是在紫外激发荧光团(例如激发峰为358 nm的DAPI、激发峰为~350 nm的AMCA/AMCA-X)和荧光素(最大值为494 nm)之间吸收的少数荧光团之一。它是一种光稳定性和亲水性染料,其结构中的三氟甲基减少了光漂白,而磺基在水溶液中提供了更好的亲水性和更高的量子产率。在很宽的pH值范围内(从pH 4到pH 10),其荧光与pH无关,并可被405 nm的紫激光激发。
AF430 alkyne
AF430 amine
AF430 azide
AF430 carboxylic acid
AF430 maleimide
AF430 NHS ester
AF430 tetrazine
AF488
AF488是一种磺化罗丹明荧光团,用于包括显微镜在内的苛刻应用。染料以绿色通道发射,与FAM滤光片兼容。
AF488 azide
AF488 carboxylic acid
AF488 NHS ester
以上就是我们新研博美荧光染料的基本分类,欢迎大家咨询了解更多。


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