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180947

Sigma-Aldrich

Alginic acid sodium salt

powder

Synonym(s):

Algin, Sodium alginate

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About This Item

CAS Number:
9005-38-3
MDL number:
MFCD00081310
UNSPSC Code:
12162002

biological source

algae (marine)

Quality Level

200

form

powder

viscosity

15-25 cP, 1 % in H2O

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 key

MSXHSNHNTORCAW-MPGIDXPLSA-M

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General description

Alginic acid sodium is a gelling and nontoxic anionic polysaccharide. The carboxylic acid groups on the alginic acid chain, renders it insoluble in water.However, converting alginic acid to its sodium form, enables it to solubilize in water easily.

Application

Alginic acid sodium is used:
  • in combination with chitosan, to fabricate a biodegradable porous scaffold for bone tissue engineering.
  • to study the characteristics of a modified amphiphilic alginate derivative
  • to the study the impact of alginate on the rate of lipid digestion by employing an in vitro digestion model
  • in the preparation of alginate hydrogels
  • as encapsulating agents of microparticles of β-galactosidae

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Thao Thi Thu Vu et al.
Journal of biomedical materials research. Part B, Applied biomaterials, 100(7), 1980-1988 (2012-08-14)
Alginate hydrogels possess tunable mechanical properties that can mimic soft marrow tissue and present three-dimensional (3D) cues. This study evaluates its utility for supporting leukemic cell growth in vitro and its impact on cell survival, growth, and differentiation. Our results
Microencapsulation of ?-galactosidase with different biopolymers by a spray-drying process
Estevinho BN, et al.
Food Research International, 64, 134-140 (2014)
Teegarden DM
Polymer Chemistry: Introduction to an Indispensable Science (2004)
Zhensheng Li et al.
Biomaterials, 26(18), 3919-3928 (2005-01-01)
A biodegradable scaffold in tissue engineering serves as a temporary skeleton to accommodate and stimulate new tissue growth. Here we report on the development of a biodegradable porous scaffold made from naturally derived chitosan and alginate polymers with significantly improved
Role of calcium and calcium-binding agents on the lipase digestibility of emulsified lipids using an in vitro digestion model
Hu M, et al.
Food Hydrocolloids, 24(8), 719-725 (2010)
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