A7174
琼脂糖
High Gelling Temperature
别名:
3,6-Anhydro-α-L-galacto-β-D-galactan
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关于此项目
化学文摘社编号:
UNSPSC Code:
41105317
PubChem Substance ID:
EC Number:
232-731-8
NACRES:
NA.25
MDL number:
产品名称
琼脂糖, High Gelling Temperature
SMILES string
O1[C@H]([C@@H]([C@H]([C@H]([C@H]1CO)O)O[C@@H]4O[C@@H]5[C@H]([C@@H](OC5)[C@@H]4O)O[C@@H]6O[C@@H]([C@@H]([C@@H]([C@H]6O)O)O)CO)O)O[C@H]2[C@H]3OC[C@@H]2O[C@H]([C@H]3O)O
InChI
1S/C24H38O19/c25-1-5-9(27)11(29)12(30)22(38-5)41-17-8-4-36-20(17)15(33)24(40-8)43-18-10(28)6(2-26)39-23(14(18)32)42-16-7-3-35-19(16)13(31)21(34)37-7/h5-34H,1-4H2/t5-,6-,7+,8+,9+,10+,11+,12-,13+,14-,15+,16-,17-,18+,19+,20+,21-,22+,23+,24+/m1/s1
InChI key
MJQHZNBUODTQTK-WKGBVCLCSA-N
type
Type VI-A
form
powder
impurities
≤10% water
ash
≤0.60%
EEO
≤0.14
transition temp
gel point 41 °C ±1.5 °C (1.5% gel)
gel strength
≥900 g/cm2 (1% gel)
anion traces
sulfate (SO42-): ≤0.20%
Quality Level
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Analysis Note
以下是与我们的琼脂糖相关的性质列表：
硫酸盐含量 - 用作纯度指标，因为硫酸盐是其中存在的主要离子基团。
凝胶强度 - 破裂凝胶所需施加的力。
胶凝点 - 琼脂糖水溶液在冷却时的胶凝温度。 琼脂糖溶液在液体-凝胶转变的过程中会表现出滞后现象 - 也就是说，它们的凝胶点与它们的熔点温度不同。
电内渗（EEO）- 液体通过凝胶的一种运动。琼脂糖凝胶中的阴离子基团被固定在基质上不能移动，但可解离的抗衡阳离子可以向基质中的阴极迁移，从而产生EEO。 由于生物聚合物的电泳运动通常是朝向阳极的，因此EEO会因为内部的对流而破坏分离。
硫酸盐含量 - 用作纯度指标，因为硫酸盐是其中存在的主要离子基团。
凝胶强度 - 破裂凝胶所需施加的力。
胶凝点 - 琼脂糖水溶液在冷却时的胶凝温度。 琼脂糖溶液在液体-凝胶转变的过程中会表现出滞后现象 - 也就是说，它们的凝胶点与它们的熔点温度不同。
电内渗（EEO）- 液体通过凝胶的一种运动。琼脂糖凝胶中的阴离子基团被固定在基质上不能移动，但可解离的抗衡阳离子可以向基质中的阴极迁移，从而产生EEO。 由于生物聚合物的电泳运动通常是朝向阳极的，因此EEO会因为内部的对流而破坏分离。
Application
- Quality and applicability of cadaveric donor eyes for molecular biology research: An Indian experience.：探讨用琼脂糖制备尸体供眼用于分子生物学研究，说明它可有效保存样本以便进行高质量基因分析(Kaur et al., 2024)。
- Immunocytochemistry on frozen-embedded cell block for the diagnosis of hematolymphoid cytology specimen: a straightforward alternative to the conventional cell block.：用琼脂糖改进免疫细胞化学流程，提供更加高效和明确的淋巴造血疾病诊断方法(Choi et al., 2024)。
- Low-melting point agarose as embedding medium for MALDI mass spectrometry imaging and laser-capture microdissection-based proteomics.：用低熔点琼脂糖作为先进成像和蛋白质组分析的多功能基质，对生物分析大有助益(McDonnell et al., 2023)。
- Autocrine regulation of tumor cell repopulation by Hsp70-HMGB1 alarmin complex.：在癌症细胞机制研究中用到琼脂糖，说明它在需要精准生物模拟的实验场景中的重要性(Guzhova et al., 2023)。
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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