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Merck
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文件

P2949

Sigma-Aldrich

PIPES 钠盐

≥99% (titration)

别名:

1,4-哌嗪二乙磺酸钠盐, Na-PIPES, 1,4-哌嗪二乙磺酸 钠盐, 哌嗪-N,N′-双(2-乙磺酸) 钠盐

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About This Item

线性分子式:
C8H17N2O6S2Na
CAS号:
10010-67-0
分子量:
324.35
EC號碼:
233-005-3
MDL號碼:
MFCD00065472
分類程式碼代碼:
12161700
PubChem物質ID:
24898375
NACRES:
NA.25

化驗

≥99% (titration)

形狀

crystalline powder

pH值

4.5-4.7

有用的pH值範圍

6.1-7.5

pKa (25 °C)

6.8

溶解度

0.1 M NaOH: 250 mg/mL, clear, colorless

應用

diagnostic assay manufacturing

儲存溫度

room temp

SMILES 字串

[Na+].OS(=O)(=O)CCN1CCN(CC1)CCS([O-])(=O)=O

InChI

1S/C8H18N2O6S2.Na/c11-17(12,13)7-5-9-1-2-10(4-3-9)6-8-18(14,15)16;/h1-8H2,(H,11,12,13)(H,14,15,16);/q;+1/p-1

InChI 密鑰

OGGAIRCLBMGXCZ-UHFFFAOYSA-M

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一般說明

1, 4-哌嗪二乙磺酸（PIPES）是一种两性离子缓冲液，属于乙磺酸缓冲液系列，由Good等人率先推出，是一种用于细胞培养、电子显微镜组和其他生物学应用织固定的无毒缓冲液。PIPES 不与金属离子相互作用。由于其在37°C时的pKa接近生理pH，因此在生物、生化和环境研究中被用作缓冲物质。PIPES满足特定的标准：中值pKa，最大水溶性且在所有其他溶剂中的溶解度极小，盐效应极低，pKa随温度变化极小，化学和酶学稳定，在可见光或紫外光谱范围吸光度极小，易于合成。可将碱溶液添加到不含 PIPES 的酸中并滴定至适当的 pH 值，或通过混合单钠盐和二钠盐的等摩尔溶液并滴定至适当的 pH 值，制备缓冲液。

應用

PIPES 钠盐缓冲液可用于：

  • 配制 BRB80 缓冲液，以通过荧光显微镜对动态微管和单个驱动蛋白分子成像
  • 作为 PEM 固定液成分
  • 复溶红细胞 (RBC)，以研究 pH 对 5 配位α-亚硝酰血红蛋白 (HbNO) 稳定性的影响

特點和優勢

  • 无毒
  • 易用
  • 热稳定
  • 易于处理和储存

儲存類別代碼

11 - Combustible Solids

水污染物質分類（WGK）

WGK 3

閃點（°F）

Not applicable

閃點（°C）

Not applicable

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B W Nielsen et al.
Agents and actions, 35(3-4), 170-178 (1992-03-01)
Increased osmotic pressure has been reported to cause non-cytotoxic histamine release (HR) from human basophils, as well as a potentiation of HR induced by anti-IgE. In this study, the effects of hyperosmolar Na-K-acetate (300-600 mOsm/kg H2O) on HR was studied
E R Swenson et al.
The American journal of physiology, 250(2 Pt 2), F288-F293 (1986-02-01)
Maximal rates of renal hydrogen ion secretion and bicarbonate reabsorption in the dogfish were stimulated by intravascular infusion of acidic and basic buffers: bicarbonate, phosphate, phenol red, dimethadione (DMO), imidazole, and piperazine-N,N'-bis(2 ethanesulfonic acid) (PIPES). There was no difference in
Rajesh K Sani et al.
Environmental science & technology, 39(7), 2059-2066 (2005-05-06)
In cultures of Desulfovibrio desulfuricans 620 the effects of iron(III) (hydr)oxides (hematite, goethite, and ferrihydrite) on microbial reduction and reoxidation of uranium (U) were evaluated under lactate-limited sulfate-reducing conditions. With lactate present, G20 reduced U(VI) in both 1,4-piperazinediethanesulfonate (PIPES) and
R L Schultz et al.
Journal of neurocytology, 15(4), 461-469 (1986-08-01)
When used for vascular perfusion of brain, 0.1 M PIPES-buffered 3% glutaraldehyde resulted in the formation of expanded, vesicle-filled cell processes limited by multiple membrane layers. These structures, termed multivesicular myelin figures and interpreted as artefacts, were most common in
V D Prokopieva et al.
Alcohol and alcoholism (Oxford, Oxfordshire), 35(1), 44-48 (2000-02-24)
The effects of carnosine and related compounds on erythrocytes from alcoholics were studied. In their presence, erythrocytes showed an increased ability to resist haemolysis and showed a more normal morphology, with carnosine and N-acetyl-carnosine being the most effective compounds. These
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