- 询价
- Biotium
- 美国
- 60037
- 2025年09月12日
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- 保存条件：
室温
- 保质期：
1年
- 英文名：
DPA 60037
- 库存：
99
- 供应商：
Biotium
- CAS号：
1
Dipicrylamine (DPA) is a nonfluorescent anionic membrane dye. With its absorbance in the blue region of the visible spectrum, DPA can be used as a FRET quencher for a variety of fluorescent donor dyes. When applied to cells, DPA localizes at the interface of cytoplasmic membrane and aqueous phase in a manner sensitive to membrane potential change. A recent application of DPA is to measure cell membrane potential change by combining with the fluorescent donor dye DiOC16 (cat# 60038). The DiO/DPA system has been reported to produce a fluorescence signal change of >56% in HEK-293 cells and >25% in neuronal cultures and brain slices per 100 mV membrane potential change. Please also see the DiO/DPA Membrane Potential Detection Kit (30037)).
Yellow solid soluble in DMSO at >30mg/mL
- λabs (MeOH) = 406 nm
- Store at 4°C
- MWt: 439.21
- []
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文献和实验HLA-DPA1 and -DPB1 Typing Using the PCR and Nonradioactive Sequence-Specific Oligonucleotide Probes
The class II molecules of the human major histocompatibility complex are cell surface glycoproteins encoded by a series of genes located on the short arm of chromosome 6 in the HLA-D region. These molecules consist of an α and � chain
HLA Ⅱ类基因区 HLAⅡ类基因区位于HLA复合体的着丝粒端，即从DRA到HLA-DPA3的一段区域，长度为0．9Mb，包含34个基因座位，其中16个为表达基因，3个后选基因，15个假基因。在16个表达基因中除了BRD2(原名RING3)外均有免疫学功能。Ⅱ类区域内至少含有DR、DQ、DP、DOA、IX)B和DM六个亚区。 (1)HLA-DR亚区：DR亚区有1个DRA基因及9个DRB基因。DRA基因不具多态性，其产物为DR分子的。链。9个DRB基因分别命名为DRBl～
Methods to Monitor Liposome Fusion, Permeability, and Interaction with Cells
, and assays to evaluate liposome membrane permeability. The Tb/DPA and ANTS/DPX assays monitor the intermixing of aqueous contents of liposomes. The NBD-PE/Rhodamine-PE assay follows the intermixing of liposomal lipids. A variation of this method is suitable
