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21054

Sigma-Aldrich

Alginic acid calcium salt from brown algae

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Synonym(s):
Calcium alginate
CAS Number:
MDL number:
UNSPSC Code:
12352201
NACRES:
NA.25

biological source

algae (brown)

Quality Level

form

powder

ign. residue

~33% (as SO4)

loss

~10% loss on drying

color

light gray

storage temp.

room temp

InChI

1S/C18H26O19.Ca/c19-1-2(20)10(13(26)27)36-17(6(1)24)35-9-4(22)7(25)18(37-12(9)15(30)31)34-8-3(21)5(23)16(32)33-11(8)14(28)29;/h1-12,16-25,32H,(H,26,27)(H,28,29)(H,30,31);/q;+2/p-2/t1-,2-,3+,4+,5-,6-,7-,8-,9-,10-,11+,12+,16+,17+,18+;/m0./s1

InChI key

OKHHGHGGPDJQHR-YMOPUZKJSA-L

Application

Alginate, a colloidal polyuronic acid structural molecule capable of gelation, is used in the preparation of colloidal biodegradable structures such as gels, biofilms, beads, nanoparticles, and microcapsules suitable for applications that range from gel based separation technologies to drug delivery and cell preservation.

Other Notes

To gain a comprehensive understanding of our extensive range of Polysaccharides for your research, we encourage you to visit our Carbohydrates Category page.

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Fatemeh Afkhami et al.
Artificial cells, blood substitutes, and immobilization biotechnology, 40(1-2), 1-6 (2012-02-01)
Targeted and simultaneous delivery VEGF165b and IFN alpha in anti-angiogenic and other applications could offer several advantages. For this a system was design using artificial cell alginate-poly-L-lysine- alginate (APA) microcapsules. Result confirms the ability of this system for simultaneous production
Osteogenic differentiation of muscle satellite cells induced by platelet-rich plasma encapsulated in three-dimensional alginate scaffold.
Huang S, Jia S, Liu G, Fang D, Zhang D.
Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics, doi: 10-doi: 10 (2012)
S Sambu et al.
Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine, 225(11), 1092-1107 (2012-02-02)
Stem cell cryopreservation in three-dimensional (3D) scaffolds may offer better protection to cells leading to higher survival rates. However, it introduces heterogeneity in cryoprotective agent (CPA) concentrations, durations of exposure to CPA, and freezing and thawing rate within constructs. This
Vijayaganapathy Vaithilingam et al.
Biomaterials, 32(33), 8416-8425 (2011-09-06)
Encapsulation of human islets may prevent their immune rejection when transplanted into diabetic recipients. To assist in understanding why clinical outcomes with encapsulated islets were not ideal, we examined the effect of encapsulation on their global gene (mRNA) and selected
Shaheen Sultana et al.
Journal of microencapsulation, 29(5), 445-454 (2012-02-02)
The precipitation technique was used to prepare non-polymeric alendronate nanoparticles. The influence of various formulation parameters on the average particle size was investigated and the effect of various stabilizers (PVA, tween, chitosan, alginate, PEG, HPMC, poloxomers) was evaluated. The selection

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