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1. Self-healing, stretchable, and freezing-resistant hydroxypropyl starch-based double-network hydrogels

Author:
Lin, Qianzhu; Li, Hao; Ji, Na; Dai, Lei; Xiong, Liu; Sun, Qingjie
Source:
Carbohydrate polymers 2021 v.251 pp. 116982
ISSN:
0144-8617
Subject:
sodium alginate,   etc   ; biodegradability; glycerol; hydrogels; mechanical properties; solvents; starch; storage modulus;     Show all 8 Subjects
Abstract:
... Starch hydrogel is a biocompatible and biodegradable material. However, due to its poor mechanical properties and fragility, starch hydrogel has limited applications in the food and medicine industries. In this work, we prepared stretchable, compressible, and self-healing double-network (DN) hydrogels using hydroxypropyl starch (HPS) and sodium alginate (SA). By adjusting the amount of sodium algi ...
DOI:
10.1016/j.carbpol.2020.116982

2. The effect of alginate composition on adsorption to calcium carbonate surfaces

Author:
Browning, Kathryn Louise; Stocker, Isabella N.; Gutfreund, Philipp; Clarke, Stuart Matthew
Source:
Journal of colloid and interface science 2021 v.581 pp. 682-689
ISSN:
0021-9797
Subject:
sodium alginate,   etc   ; adsorption; calcite; calcium; calcium carbonate; extracellular matrix; ions; limestone; magnesium; models; polymers; reflectometry; sorption isotherms; sugars;     Show all 14 Subjects
Abstract:
... Bacterial anchoring to limestone rocks is thought to occur by selective adsorption of biomolecules found in the extracellular matrix, such as polysaccharides. Here we study the adsorbed structure of a model matrix polysaccharide, sodium alginate, at the calcite/water interface using neutron reflection (NR). Sodium alginate was found to form highly hydrated layers extending up to 350 Å into solutio ...
DOI:
10.1016/j.jcis.2020.07.088

3. Kinetic and thermodynamic studies on the degradation of carotene in carrot powder beads

Author:
Ariahu, C.C.; Kamaldeen, O.S.; Yusufu, M.I.
Source:
Journal of food engineering 2021 v.288 pp. 110145
ISSN:
0260-8774
Subject:
sodium alginate,   etc   ; calcium chloride; carotenes; carrots; cassava starch; encapsulation; gelation; glycerol; half life; pH; particle size; plasticizers; powders; sorbitol; soy protein isolate; temperature; thermodynamics; water activity;     Show all 18 Subjects
Abstract:
... This study examined the characteristic, kinetic, and thermodynamic properties of encapsulated carrot powder beads. Membrane solutions required for encapsulation of the carrot powders were prepared from soy protein isolates, cassava starch and their combinations. The solutions were categorized into plasticized and non-plasticized using glycerol in combination with sorbitol as plasticizers. Ionic en ...
DOI:
10.1016/j.jfoodeng.2020.110145

4. Effect of charge density of polysaccharide on self-assembly behaviors of ovalbumin and sodium alginate

Author:
Li, Junzhu; Jin, Weiping; Xu, Wei; Liu, Gang; Huang, Qingrong; Zhu, Zhenzhou; Li, Shuyi; Cheng, Shuiyuan
Source:
International journal of biological macromolecules 2020 v.154 pp. 1245-1254
ISSN:
0141-8130
Subject:
sodium alginate,   etc   ; microstructure; ovalbumin; particle size; physical phases;     Show all 5 Subjects
Abstract:
... Similarities and differences of assembly for ovalbumin (OVA) and two kinds of sodium alginate (SA1 and SA2) varying in charge densities (λSA₁: λSA₂ ≈ 2:1) were investigated. The assembly processes of OVA/SA mixtures were characterized by phase diagram, particle size, and microstructure. Two differences between OVA/SA1 and OVA/SA2 mixtures in the phase diagram were distinctly observed. First, due t ...
DOI:
10.1016/j.ijbiomac.2019.10.279

5. Effect of sodium alginate on phosphorus recovery by vivianite precipitation

Author:
Zhang, Cong; Hu, Dexiu; Yang, Ruijie; Liu, Zichen
Source:
Journal of environmental sciences (China) 2020 v.93 pp. 164-169
ISSN:
1001-0742
Subject:
sodium alginate,   etc   ; crystallization; crystals; iron; pH; phosphorus; polymers; sludge; wastewater;     Show all 9 Subjects
Abstract:
... There are good prospects for phosphorus recovery from excess sludge by vivianite crystallization while a large number of extracellular polymeric substances in sludge will have impact on vivianite precipitation. In this study, as a representative of extracellular polymeric substance, the effect of sodium alginate (SA) on phosphorus recovery by vivianite precipitation under different initial SA conc ...
DOI:
10.1016/j.jes.2020.04.007

6. The effect of alginates on the hydration of calcium aluminate cement

Author:
Engbert, Alexander; Gruber, Stefanie; Plank, Johann
Source:
Carbohydrate polymers 2020 v.236 pp. 116038
ISSN:
0144-8617
Subject:
sodium alginate,   etc   ; calcium; calorimetry; cement; heat flow; ions; lithium; salts;     Show all 8 Subjects
Abstract:
... The hydration of calcium aluminate cement (CAC) in the presence of sodium alginate which is known to slightly retard Portland cement, was studied using heat flow calorimetry and mortar strength testing. Most surprisingly, addition of alginate resulted in an earlier occurrence of the maximal heat release as well as an increased early strength, thus confirming that in CAC alginate acts as accelerato ...
DOI:
10.1016/j.carbpol.2020.116038

7. A sodium alginate-based nano-pesticide delivery system for enhanced in vitro photostability and insecticidal efficacy of phloxine B

Author:
Yin, Yihua; Yang, Mengdan; Xi, Jing; Cai, Weiquan; Yi, Ying; He, Guanghua; Dai, Yue; Zhou, Ting; Jiang, Mengqing
Source:
Carbohydrate polymers 2020 v.247 pp. 116677
ISSN:
0144-8617
Subject:
sodium alginate,   etc   ; esterases; glutathione; insecticidal properties; insects; lighting; pH; pesticides; photolysis; photostability; phototoxicity; sodium; ultrasonics;     Show all 13 Subjects
Abstract:
... To improve in vitro photostability and enhance insecticidal activity, a novel esterase/glutathione (GSH) responsive photoactivated nano-pesticide delivery system was synthesized by conjugation of photoactivated pesticide phloxine B(PB) to sodium alginate (SA) via esterase/GSH sensitive phenolic ester bond followed by ultrasonic dispersion. The system was stable in PBS (pH 7.4) and could protect ef ...
DOI:
10.1016/j.carbpol.2020.116677

8. Design of polysaccharidic nano-in-micro soft agglomerates as primary oral drug delivery vehicle for colon-specific targeting

Author:
Musa, Nafisah; Wong, Tin Wui
Source:
Carbohydrate polymers 2020 v.247 pp. 116673
ISSN:
0144-8617
Subject:
sodium alginate,   etc   ; chitosan; drug carriers; fluorouracil; folic acid; microencapsulation; molecular weight; nanoparticles; pectins;     Show all 9 Subjects
Abstract:
... Microencapsulation of polysaccharidic nanoparticles is met with nanoscale and biological performance changes. This study designs soft agglomerates as nanoparticle vehicle without nanoparticles undergoing physical processes that alter their geometry. The nanoparticles were made of high molecular weight chitosan/pectin with covalent 5-fluorouracil/folate. Nanoparticle aggregation vehicle was prepare ...
DOI:
10.1016/j.carbpol.2020.116673

9. A fully bio-based coating made from alginate, chitosan and hydroxyapatite for protecting flexible polyurethane foam from fire

Author:
Nabipour, Hafezeh; Wang, Xin; Song, Lei; Hu, Yuan
Source:
Carbohydrate polymers 2020 v.246 pp. 116641
ISSN:
0144-8617
Subject:
sodium alginate,   etc   ; chitosan; coatings; cost effectiveness; electrolytes; flame retardants; foams; heat; hydroxyapatite; mechanical properties; polyurethanes; smoke;     Show all 12 Subjects
Abstract:
... The present study reports the successful synthesis of the flame-retardant and smoke-suppressant flexible polyurethane foam (FPUF) through a fully bio-based coating. Hydroxyapatite (HAP) is added to the solutions containing sodium alginate (SA) and chitosan (CH), respectively, to create negative and positive polyelectrolytes for Layer-by-Layer (LbL) assembly. The influence of the solution concentra ...
DOI:
10.1016/j.carbpol.2020.116641

10. Effective passivation of lead by phosphate solubilizing bacteria capsules containing tricalcium phosphate

Author:
Zhang, Keyao; Teng, Zedong; Shao, Wen; Wang, Yin; Li, Min; Lam, Su Shiung
Source:
Journal of hazardous materials 2020 v.397 pp. 122754
ISSN:
0304-3894
Subject:
sodium alginate,   etc   ; Leclercia adecarboxylata; bacteria; calcium chloride; lead; pH; remediation; sediment contamination; sediments; solubilization; tricalcium phosphate;     Show all 11 Subjects
Abstract:
... Phosphate solubilizing bacteria (PSBs) shows high potential to be used for lead passivation in sediments due to the abilities of releasing phosphate and the subsequent formation of insoluble Pb-phosphate compounds. In this research, microbial capsules implemented with sodium alginate and CaCl₂, containing Leclercia adecarboxylata L15 (a lead resistant PSB) and Ca₃(PO₄)₂, were developed and the per ...
DOI:
10.1016/j.jhazmat.2020.122754

11. Injectable bone substitute based on chitosan with polyethylene glycol polymeric solution and biphasic calcium phosphate microspheres

Author:
Lima, Daniel Bezerra; de Souza, Mônica Adriana Araújo; de Lima, Gabriel Goetten; Ferreira Souto, Erick Platiní; Oliveira, Hugo Miguel Lisboa; Fook, Marcus Vinícius Lia; de Sá, Marcelo Jorge Cavalcanti
Source:
Carbohydrate polymers 2020 v.245 pp. 116575
ISSN:
0144-8617
Subject:
sodium alginate,   etc   ; bone substitutes; chitosan; cytotoxicity; hydroxyapatite; liquids; microparticles; polyethylene glycol; rabbits; tibia;     Show all 10 Subjects
Abstract:
... We described a method to produce an injectable bone substitute consisting of a solid and liquid phase, this solid was formed using the coacervation method consisting of a mixture of Hydroxyapatite (HAp) and beta-Tricalcium Phosphate (β-TCP) which the sodium alginate - precursor - was removed during sinterization. The biphasic calcium phosphate microspheres had varying size distributions depending ...
DOI:
10.1016/j.carbpol.2020.116575

12. Multilayers assembly of bio-polyelectrolytes onto surface modified polypropylene films: Characterization, chelating and antioxidant activity

Author:
Yu, Zhen; Lu, Lijing; Lu, Lixin; Pan, Liao
Source:
Carbohydrate polymers 2020 v.245 pp. 116456
ISSN:
0144-8617
Subject:
sodium alginate,   etc   ; antioxidant activity; antioxidants; chelation; chitosan; copper; iron; metal ions; oxidation; pH; polyacrylic acid; polypropylenes;     Show all 12 Subjects
Abstract:
... In order to remove the trace transition metal ions which catalyze the oxidation in food, chitosan (CS) and sodium alginate (ALG) multilayers were assembled on the polypropylene (PP) surface grafted with polyacrylic acid (PAA) to obtain PP-g-PAA/(CS/ALG)ₙ films. The morphology of the active films was observed, and the thickness of each single assembled layer was about 7 nm. The chelation ability of ...
DOI:
10.1016/j.carbpol.2020.116456

13. Properties of sustainable cellular concrete prepared with environment-friendly capsule aggregates

Author:
Shang, Xiaoyu; Li, Jiangshan; Zhan, Baojian
Source:
Journal of cleaner production 2020 v.267 pp. 122018
ISSN:
0959-6526
Subject:
sodium alginate,   etc   ; compression strength; concrete; encapsulation; fly ash; microstructure; mixing; modulus of elasticity; particle size; shrinkage;     Show all 10 Subjects
Abstract:
... This study introduced novel environment-friendly capsule aggregates (CAs) with core-shell structures by encapsulating sodium alginate beads (SABs) with a fly ash shell. Two types of CAs with different particle sizes were synthesized by adjusting the SAB size. Cellular concretes with different densities were further fabricated by these lightweight aggregates. The effects of CAs on the density, flow ...
DOI:
10.1016/j.jclepro.2020.122018

14. Fabrication of l-menthol contained edible self-healing coating based on guest-host interaction

Author:
Yang, Yifan; Ren, Jiaoyu; Luo, Chenxi; Yuan, Renqiang; Ge, Liqin
Source:
Colloids and surfaces 2020 v.597 pp. 124743
ISSN:
0927-7757
Subject:
sodium alginate,   etc   ; apples; beta-cyclodextrin; coatings; fruit quality; fruits; mechanical properties; shelf life; vegetables; weight loss;     Show all 10 Subjects
Abstract:
... Edible self-healing coatings based on sodium alginate (SA) and l- menthol-beta-cyclodextrin-graft-chitosan were developed to improve the post-harvest quality and prolong the shelf life of fruits and vegetables. These coatings, which were developed based on a layer-by-layer self-assembly technique, were characterized. Their mechanical properties and morphological studies indicated that the addition ...
DOI:
10.1016/j.colsurfa.2020.124743

15. Alginate-zinc (II) phthalocyanine conjugates: Synthesis, characterization and tumor-associated macrophages-targeted photodynamic therapy

Author:
Tang, Fengxiang; Xie, Wei; Li, Sicong; Hu, Qingyan; Zheng, Biyuan; Ke, Meirong; Huang, Jiandong
Source:
Carbohydrate polymers 2020 v.240 pp. 116239
ISSN:
0144-8617
Subject:
sodium alginate,   etc   ; anions; antineoplastic agents; fluorescence; macrophages; molecular weight; neoplasms; photochemotherapy; toxicity; water solubility; zinc;     Show all 11 Subjects
Abstract:
... Tumor-associated macrophages (TAMs)-targeted photodynamic therapy (PDT) has dual-selectivity and hence is promising in cancer treatment. Since the scavenger receptor-A (SR-A) on TAMs can recognize polyanions, two molecular-weight sodium alginates (SA1, 41.2 kDa; SA2, 1231.5 kDa) were herein respectively conjugated with 1-[4-(2-aminoethyl) phenoxy] zinc (II) phthalocyanine (1) and two novel conjuga ...
DOI:
10.1016/j.carbpol.2020.116239

16. Enhanced performance of microbial fuel cell with polyaniline/sodium alginate/carbon brush hydrogel bioanode and removal of COD

Author:
Wang, Yuyang; Wen, Qing; Chen, Ye; Zheng, Hongtao; Wang, Shuang
Source:
Energy 2020 v.202 pp. 117780
ISSN:
0360-5442
Subject:
sodium alginate,   etc   ; bioanodes; carbon; chemical oxygen demand; electrons; hydrogels; microbial fuel cells; oxidation; polyaniline; polymerization;     Show all 10 Subjects
Abstract:
... The use of capacitive and biocompatible anode materials is important for constructing microbial fuel cells (MFCs). Here, self-supporting polyaniline-sodium alginate/carbon brush (PANI-SA/CB) hydrogel was prepared by in situ polymerization as an MFC anode. The easily fabricated PANI–SA-conducting hydrogels showed great potential as electrode materials for MFC anodes. The maximum power density of MF ...
DOI:
10.1016/j.energy.2020.117780

17. Ibuprofen sorptive efficacy of zirconium caged date seed derived steam activated alginate beads in a static bed column

Author:
Chakraborty, Prasenjit; Halder, Gopinath
Source:
RSC advances 2020 v.10 no.41 pp. 24293-24307
ISSN:
2046-2069
Subject:
sodium alginate,   etc   ; aluminum; aqueous solutions; biochar; desorption; ibuprofen; models; sorbents; sorption; steam; zirconium;     Show all 11 Subjects
Abstract:
... The sorption capability of zirconium coupled sodium alginate beads of steam activated biochar derived from date seed (Zr(DSPB)Al) was explored towards Ibuprofen (IBP) removal from simulated water solution in a static bed column. The impact of governing variables viz. column bed height (5–25 cm), influent (IBP) concentration (10–30 mg L⁻¹) and inflow rate (2–6 mL min⁻¹) was investigated in the pres ...
DOI:
10.1039/d0ra04265j

18. A 3D-printable TEMPO-oxidized bacterial cellulose/alginate hydrogel with enhanced stability via nanoclay incorporation

Author:
Wei, Jiaxin; Wang, Baoxiu; Li, Zhe; Wu, Zhuotong; Zhang, Minghao; Sheng, Nan; Liang, Qianqian; Wang, Huaping; Chen, Shiyan
Source:
Carbohydrate polymers 2020 v.238 pp. 116207
ISSN:
0144-8617
Subject:
sodium alginate,   etc   ; cellulose; drugs; hydrogels; laponite; medical equipment; microstructure; nanocomposites; three-dimensional printing; tissue engineering;     Show all 10 Subjects
Abstract:
... Three-dimensional (3D) printing offers a novel approach to manufacture repeatable personalized structures for mass customization in medical fields. Considering the resemblance of materials in composition and microstructure to biological tissues, polysaccharide-based hydrogel is a promising printing material. However, its long-term stability of structure has always been a problem. In this work, we ...
DOI:
10.1016/j.carbpol.2020.116207

19. In-situ template cooperated with thiourea to prepare oxygen/nitrogen co-doped porous carbons with adjustable pore structure for supercapacitors

Author:
Zhou, Yuhao; Ren, Xue; Song, Mingyuan; Du, Yueyao; Wan, Jiafeng; Wu, Guang; Ma, Fangwei
Source:
Renewable energy 2020 v.153 pp. 1005-1015
ISSN:
0960-1481
Subject:
sodium alginate,   etc   ; biomass; capacitance; carbon; electrochemical capacitors; electrochemistry; electrodes; nitrogen; oxygen; pyrolysis; renewable energy sources; thiourea;     Show all 12 Subjects
Abstract:
... The exploration of preparing hierarchically porous carbons with adjustable pore structure from renewable biomass has attracted increasing attention by researchers. In this paper, the hierarchically porous carbon with excellent electrochemical properties is synthesized using renewable sodium alginate as a carbon source by in-situ pyrolysis of ‘egg-box’ structure with the addition of thiourea. The t ...
DOI:
10.1016/j.renene.2020.02.075

20. A highly hydrophilic benzenesulfonic-grafted graphene oxide-based hybrid membrane for ethanol dehydration

Author:
Tang, Lin; Lu, Yingying; Yao, Lulu; Cui, Peng
Source:
RSC advances 2020 v.10 no.34 pp. 20358-20367
ISSN:
2046-2069
Subject:
sodium alginate,   etc   ; aromatic compounds; diazonium compounds; ethanol; graphene oxide; hydrophilicity; mixing; pervaporation; salts;     Show all 9 Subjects
Abstract:
... A new type of hybrid membrane was prepared by blending sodium alginate (SA) with benzenesulfonic-grafted graphene oxide (BS@GO), which showed higher hydrophilicity and more defects or edges than GO to create channels for the transfer of water molecules. BS@GO was synthesized by reacting aryl diazonium salts with graphene oxide (GO). The BS@GO sheets were aligned parallelly to the membrane surface ...
DOI:
10.1039/d0ra02668a