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71238

Sigma-Aldrich

海藻酸 钠盐 来源于褐藻

BioReagent, suitable for immobilization of micro-organisms

别名:

海藻酸钠, 褐藻胶

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50 G
$115.00
250 G
$213.00
1 KG
$653.00

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50 G
$115.00
250 G
$213.00
1 KG
$653.00

About This Item

CAS号:
9005-38-3
MDL號碼:
MFCD00081310
分類程式碼代碼:
12352201
NACRES:
NA.25

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生物源

algae (brown)

品質等級

100

產品線

BioReagent

形狀

powder

燃燒殘留物

≤30%

損耗

≤15% loss on drying

顏色

white to light beige

pH值

6.0-8.0 (10 mg/mL in H2O)

適合性

in accordance for gelation test
suitable for immobilization of micro-organisms

儲存溫度

room temp

SMILES 字串

[Na+].[O-]C(=O)C1O[C@H]([C@H]([C@H]([C@@H]1O)O)O)O

InChI

1S/C6H10O7.Na/c7-1-2(8)4(5(10)11)13-6(12)3(1)9;/h1-4,6-9,12H,(H,10,11);/q;+1/p-1/t1-,2-,3-,4?,6+;/m0./s1

InChI 密鑰

MSXHSNHNTORCAW-MPGIDXPLSA-M

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應用

藻酸双酯是一种胶体糖醛酸结构分子，可形成凝胶，可用于制备胶体生物降解结构，如凝胶、生物膜、微珠、纳米颗粒和微囊，适用于从凝胶分离技术到药物输送和细胞保存的各种应用。

其他說明

一种直链、亲水、胶体状聚糖醛酸，主要由古洛糖醛酸和甘露糖醛酸残基组成。
为了全面了解我们针对客户研究提供的各种多糖产品，建议您访问我们的碳水化合物分类页面。
固定化细胞[1][2]；或酶[3]；通过加入螯合剂可液化藻酸盐基质，使发展中菌落的恢复成为可能，而不影响其继续生长[4]。

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儲存類別代碼

11 - Combustible Solids

水污染物質分類（WGK）

WGK 1

閃點（°F）

Not applicable

閃點（°C）

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCM1653
BCCK6329
BCCH6472
BCCH6471
BCCD8789

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O Smidsrød et al.
Trends in biotechnology, 8(3), 71-78 (1990-03-01)
In recent years, entrapment of cells within spheres of Ca2+ alginate has become the most widely used technique for immobilizing living cells. This versatile method includes applications ranging from immobilization of living or dead cells in bioreactors, immobilization of plant
C. Bucke
Methods in Enzymology, 135, 175-175 (1987)
W.H. Scouten
Solid Phase Biochemistry, 449-449 (1983)
Alginate: an alternative to agar in plant protoplast culture.
Adaoha Mbanaso, E.N. and Roscoe, D.H.
Plant Sci. Lett., 25, 61-66 (1982)
Andreas Blaeser et al.
Advanced healthcare materials, 5(3), 326-333 (2015-12-03)
A microvalve-based bioprinting system for the manufacturing of high-resolution, multimaterial 3D-structures is reported. Applying a straightforward fluid-dynamics model, the shear stress at the nozzle site can precisely be controlled. Using this system, a broad study on how cell viability and
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Questions

1–4 of 4 Questions  

  1. What is the viscosity of the alginate?

    1 answer

    1. The viscosity is not determined for this product on a lot specific basis. However, the viscosity is generally between 100 - 200 mPa sec for a 1% solution at 20°C. Please note that the viscosity is not a listed test specification and has not been validated.

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  2. What is the viscosity of this product?

    1 answer

    1. The viscosity of product is not tested on a lot specific basis, however historical values indicate a range of 100 - 200 cP at 1% in water, 20 °C.

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  3. WHAT IS THE MANNURONIC ACID TO GULURONIC ACID (M/G) RATIO OF THIS PRODUCT (71238)?

    1 answer

    1. The guluronic acid content in this product is approximately 70 % and the mannuronic acid content is approximately 30 %

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  4. What is the average molecular weight?

    1 answer

    1. The molecular weight is approx. 100,000 - 200,000 g/moL.

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