alginate calcium cross-linking

Reverse spherification

Reverse spherification is a method of molecular gastronomy This method is similar to spherification different in that it is used to enclose liquid containing alcohol content as well as liquid with calcium content such as milk and yogurt When the liquid containing alcohol or calcium salt is dropped into an alginate bath the liquid will draw itself into a spherical shape and becomes

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Dielectric thermal and swelling properties of calcium

Dielectric thermal and swelling properties of calcium ion‐crosslinked sodium alginate film In this study Ca 2+ ‐crosslinked sodium alginate (SA) gel films (SA‐Ca/SA2‐Ca) have been prepared and their structural and thermal characterizations were investigated using fourier transform infrared spectroscopy X‐ray diffraction differential scanning calorimetry and thermogravimetric

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Temas para TCC Development and characterization of

Biodegradable films are produced from natural polymers structurized mainly by polysaccharides or proteins and have potential applications in the medical pharmaceutical or food area The incorporation of active agents can extend their application as antimicotic packaging for instance Films were manufactured with sodium alginate using calcium chloride as cross-linking agent and glycerol as

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Chitosan microspheres/sodium alginate hybrid beads: an

Chitosan microspheres/sodium alginate hybrid beads: an efficient green adsorbent for heavy metals removal from aqueous solutions El-houssaine Ablouh1 2* Zouhair Hanani1 Nadia Eladlani2 Mohammed Rhazi2 and Moha Taourirte1 Abstract Heavy metal toxicity has demonstrated to be a crucial issue for environment and human health There has been an

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Study on Shape Optimization of Calcium–Alginate Beads

In this paper calcium–alginate beads have been manufactured by physically cross-linked technology by dripping an aqueous alginate solution into a solution of calcium salt as a crosslinker The effect of various elements controlling beads shape such as solution concentration flow rate and the distance between the orifice tip and surface of the cross-linking solution were studied

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Novel calcium

The novel 2-part beverage tested in the current study is nonviscous before ingestion but the acidic side-chain groups of the alginate undergo rapid cross-linking reactions with the divalent calcium ions to form a solid gel material on mixing in the stomach Highly viscous fibers that form strong gels although more likely to enhance satiety are likely to be unpalatable Thus the delayed

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Swelling and drug release behavior of calcium alginate

Swelling and drug release behavior of calcium alginate/poly (sodium acrylate) hydrogel beads S K Bajpai and Narendra Kirar Polymer research laboratory govt Model science College (autonomous) Jabalpur india ABSTRACT In the present work calcium alginate/poly (sodium acrylate) composite beads have been prepared by in situ formation of cross-linked poly (sodium acrylate) network within

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Customized tracheal design using 3D printing of a

Since there are few studies on UV laser cross-linking combined with 3D printing of hydrogels the work here reported offered many challenges Polyethylene glycol diacrylate (PEGDA) sodium alginate (SA) and calcium sulphate (CaSO4) polymer paste containing riboflavin (vitamin B2) and triethanolamine (TEOHA) as a biocompatible photoinitiator was printed in an extrusion 3D plotter using a

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Stability of Fish Oil in Calcium Alginate Microcapsules

Alginate microencapsulation is challenging to implement at industrial scale but a recently developed process provides scalability by accomplishing alginate cross-linking in situ during spray drying This study investigated how formulation variables affect the oxidative stability of fish oil in cross-linked alginate microcapsules (CLAMs) prepared via this industrially scalable process Storage

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1 Characterization of Semi

Alginate also accelerates the healing process by activating macrophage to produce TNF which initiates inflammatory signals [4] Alginate hydrogel for biomedical application is usually obtained by crosslinking of sodium alginate using divalent cation such as Ca2+ from calcium salt [2-3] Ion exchange between Na+ from sodium alginate

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Removal of hexavalent chromium from aqueous solution by

1997 Ibanez and Umetsu 2004) by calcium alginate beads have been reported Calcium alginate beads can attract metal ions including chrome(III) ions from solutions due to the interactions of positively charged metal ions and neg-atively charged carboxyl groups of alginate However lit-erature studies have revealed that negatively charged

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Effect of Various Electrolytes on Theophylline Loaded

The cross- linking agents used were calcium chloride barium chloride and aluminium sulphate in 5% 10% and 15% concentration The droplets from the dispersions instantaneously gelled upon contact with solution of cross linking agents The gel bead changed into discrete Theophylline-alginate matrices within next 15 minutes Then the beads were decanted washed with distilled water dried in

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Deformation of liquid

Liquid-filled calcium alginate capsules were prepared by extrusion usingasimpleone-stepprocess 25 26 Sodiumalginates MANUCOLDMand MANUGELDMB(G39 and G63) were purchased from ISP Germany Sodium alginate solutions of different concentrations were used for the preparation of the capsules For preparing the cross-linking aqueous Ca2+-solutions

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Alginate Impressions Flashcards

Sodium alginate (chief ingredient) calcium sulfate trisodium phosphate flavors colors inert fillers Sodium alginate Main ingredient forms SOL with water and becomes cross linked to form GEL Calcium sulfate Source of Ca2+ ions which cause cross linking of the alginate chains Sodium phosphate Used to control working time Inert fillers To control consistency of mix and flexibility

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Entrapment of iron nanoparticles in calcium alginate beads

Entrapment of iron nanoparticles in calcium alginate beads for groundwater remediation applications Achintya N Bezbaruah a ∗ Sita Krajangpan Bret J Chisholmb Eakalak Khan a Juan J Elorza Bermudez c a Civil Engineering Department North Dakota State University Dept 2470 P O Box 6050 Fargo ND 58108 USA b Center for Nanoscale Science and Engineering North Dakota State

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Consolidated microcapsules with double alginate shell

Consolidated microcapsules with double alginate shell containing paraffin for latent heat storage Bence Nmeth gnes S Nmeth Judit Tth Andrea Fodor-Kardos Jnos Gyenis Tivadar Feczk Magyar Tudomnyos Akadmia Research output: Article 15 Citations (Scopus) Abstract Abstract Double-shell alginate microcapsules containing paraffin phase change material (PCM) were prepared

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sodium alginate molecular weight

Sodium Alginate - Molecular Gastronomy Calcium salt is used with sodium alginate in the process of spherification A salt is a compound derived from the joining of one positive ion (other than hydrogen H+) with one negative ion (other than hydroxide OH- ion) Ions can be metals (sodium potassium) non-metals (carbon)

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Microcapsules of alginate/chitosan containing magnetic

a unique property of cross-linking in the presence of multivalent cations such as calcium ions in aqueous media which rather com-plex with G–G sequences in the polymer chain to form the 'egg box junctions' Alginate forms a reticulated structure in contact with calcium ions and this

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Impact of cross

Sodium alginate a biopolymer was employed in the formulation of matrix tablets They cracked or laminated at acidic pH compromising their dissolution performance Improved mechanical strength and reduced barrier permeability of calcium alginate gel provided the rationale for cross-linking the alginate matrix to sustain drug release Studies

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Fabrication of cell

A modified dispensing method for fabricating three-dimensional (3D) cell-laden alginate scaffolds is presented that utilizes aerosolized calcium chloride solutions for crosslinking To evaluate the process preosteoblasts (MC3T3-E1) mixed with 3 5 wt% alginate were fabricated into a 3D matrix (20 20 4 5

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