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生物源
algae (red)
品質等級
描述
Predominantly κ and lesser amounts of λ carrageenan
形狀
powder
顏色
white to light brown
有用的pH值範圍
7.5-10.5 (1.5% in water)
正離子痕跡
Ca: <3.5%
K: <11%
Na: <2.0%
適合性
suitable for gel preparation
儲存溫度
room temp
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相关类别
一般說明
角叉菜胶是来自红藻细胞壁的粘多糖。 它们是由1，3α-1，4β-半乳聚糖组成的阴离子线性聚合物，每个二糖单元含有一个（κ-），两个（ι-）或三个（λ-）硫酸盐。 在离子溶液中，κ-和ι-角叉菜胶自缔合成螺旋结构，分别形成刚性或柔性凝胶。 λ-角叉菜胶不形成螺旋，并且不凝胶化。 角叉菜胶在商业上用作增稠剂和稳定剂。
應用
角叉菜胶被用来抑制体内和体外的免疫反应，其机制被认为涉及对巨噬细胞的选择性细胞病变作用。 由于ι-、κ-和λ-角叉菜胶具有不同程度的硫酸化，因此可以对它们在保护性、抗病毒性和免疫抑制活性方面的差异进行比较研究。
角叉菜胶被用来抑制体内和体外的免疫反应，其机制被认为涉及对巨噬细胞的选择性细胞病变作用。由于ι-、κ-和λ-角叉菜胶具有不同程度的硫酸化，因此可以对它们在保护性、抗病毒性和免疫抑制活性方面的差异进行比较研究。角叉菜胶可用于开发生物材料，如骨移植替代品；用于药物输送的截留容器，如生物芯和封装载体。角叉菜胶用于开发水凝胶。
準備報告
从各种海藻中混合制成刚性凝胶。
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
個人防護裝備
Eyeshields, Gloves, type N95 (US)
Ahu Uraz et al.
Journal of clinical and experimental dentistry, 5(1), e23-e29 (2014-01-24)
The objective of this study was to histologically and histomorphometrically evaluate the efficacy of the new formulations of eggshell-derived calcium carbonate in rats. The study was conducted on 30 adult male rats. Four standardized and circular intrabony defects were created
José A Fernández-Romero et al.
Antimicrobial agents and chemotherapy, 56(1), 358-368 (2011-11-09)
Topical microbicides that block the sexual transmission of HIV and herpes simplex virus 2 (HSV-2) are desperately needed to reduce the incidence of HIV infections worldwide. Previously we completed phase 3 testing of the carrageenan-based gel Carraguard. Although the trial
S Nicklin et al.
Food additives and contaminants, 6(4), 425-436 (1989-10-01)
Carrageenans are a group of high molecular weight sulphated polygalactans which find extensive use in the food industry as thickening, gelling and protein-suspending agents. Although there is no evidence to suggest that the persorption of small amounts of carrageenans across
Bangde Li et al.
PloS one, 8(1), e54975-e54975 (2013-01-30)
Topical microbicides are a promising solution to address the global threat of HIV and other sexually transmitted infections. To be successful, a microbicide not only needs to be biologically functional but also highly acceptable to users. User acceptability of microbicides
Reuben H Fan et al.
NMR in biomedicine, 21(6), 566-573 (2007-11-29)
Integrated diffusion tensor T(2) measurements were made on normal and edematous rat muscle, and the data were fitted with one- and two-compartment models, respectively. Edematous muscle exhibited a short-lived component (T(2) = 28 +/- 6 ms), with diffusion characteristics similar
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