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1. Plant regeneration of Nerium oleander L. from alginate-encapsulated shoot explants after short-term cold storage

Author:
Hatzilazarou, Stefanos; Kostas, Stefanos; Economou, Athanasios S.
Source:
Journal of horticultural science & biotechnology 2019 v.94 no.4 pp. 441-447
ISSN:
1462-0316
Subject:
sodium alginate,   etc   ; Nerium oleander; acclimation; artificial seeds; calcium chloride; clones; cold storage; encapsulation; explants; germination; greenhouses; indole butyric acid; liquids; micropropagation; shoot tips; storage temperature;     Show all 16 Subjects
Abstract:
... In this study, an efficient protocol for the regeneration of encapsulated explants of oleander (Nerium oleander L.) has been developed. Shoot tips and 1st nodal segments below the shoot tip, from in vitro-derived oleander microshoots, were encapsulated in 2.5% sodium alginate prepared in liquid MS sucrose-free nutrient medium and hardened in 50 mM of calcium chloride producing solid beads, uniform ...
DOI:
10.1080/14620316.2018.1542283

2. Characterization, release, and antioxidant activity of curcumin-loaded sodium alginate/ZnO hydrogel beads

Author:
Wang, Heping; Gong, Xuechen; Guo, Xia; Liu, Chun; Fan, Yan-Ying; Zhang, Jin; Niu, Baolong; Li, Wenfeng
Source:
International journal of biological macromolecules 2019 v.121 pp. 1118-1125
ISSN:
0141-8130
Subject:
sodium alginate,   etc   ; 2,2-diphenyl-1-picrylhydrazyl; antioxidant activity; curcumin; drugs; encapsulation; gastrointestinal system; hydrogels; pH; ultraviolet radiation; zinc oxide;     Show all 11 Subjects
Abstract:
... In this study, we fabricated a series of novel sodium alginate/ZnO hydrogel beads to optimize the release profile of curcumin (Cur) and to avoid the burst release associated with pure hydrogels, which were used to mitigate the weaknesses of Cur, such as rapid physiological clearance and sensitivity to ultraviolet (UV) light and alkaline solutions. The results show that the composite hydrogel beads ...
DOI:
10.1016/j.ijbiomac.2018.10.121

3. Defining hydrogel properties to instruct lineage- and cell-specific mesenchymal differentiation

Author:
Hung, Ben P.; Harvestine, Jenna N.; Saiz, Augustine M.; Gonzalez-Fernandez, Tomas; Sahar, David E.; Weiss, Mark L.; Leach, J. Kent
Source:
Biomaterials 2019 v.189 pp. 1-10
ISSN:
0142-9612
Subject:
alginates,   etc   ; biocompatible materials; encapsulation; growth factors; hydrogels; ligands; mice; models; phenotype; stem cells; translation (genetics);     Show all 11 Subjects
Abstract:
... The maintenance and direction of stem cell lineage after implantation remains challenging for clinical translation. Aggregation and encapsulation into instructive biomaterials after preconditioning can bolster retention of differentiated phenotypes. Since these procedures do not depend on cell type or lineage, we hypothesized we could use a common, tunable platform to engineer formulations that re ...
DOI:
10.1016/j.biomaterials.2018.10.024

4. Encapsulation of Bacillus salmalaya 139SI using double coating biopolymer technique

Author:
Vejan, P.; Abdullah, R.; Khadiran, T.; Ismail, S.
Source:
Letters in applied microbiology 2019 v.68 no.1 pp. 56-63
ISSN:
0266-8254
Subject:
alginates,   etc   ; agricultural industry; bioactive properties; biopolymers; brown rice; chitosan; coatings; encapsulation; environmental factors; human population; humans; molecular weight; pH; plant growth; plant growth-promoting rhizobacteria; rice protein; shelf life; soil; soil nutrients; sustainable agriculture; temperature; viability;     Show all 22 Subjects
Abstract:
... Sustainable crop production for a rapidly growing human population is one of the current challenges faced by the agricultural sector. However, many of the chemical agents used in agriculture can be hazardous to humans, non‐targeted organism and environment. Plant growth promoting rhizobacteria have demonstrated a role in promoting plant growth and health under various stress conditions including d ...
DOI:
10.1111/lam.13088

5. Nanoparticles based on sodium alginate and β‐conglycinin: Self‐assembly and delivery of Phyllanthus urinaria phenolic compounds

Author:
Liu, Yong; Liao, Yunfen; Wei, Shoulian; Zhang, Huasheng; Wang, Xiaojin
Source:
Journal of food processing and preservation 2019 v.43 no.1 pp. e13851
ISSN:
0145-8892
Subject:
sodium alginate,   etc   ; Phyllanthus urinaria; antioxidant activity; beta-conglycinin; bioavailability; electrostatic interactions; encapsulation; environmental factors; food industry; hydrogen bonding; infrared spectroscopy; nanocapsules; nanoparticles; pH; particle size; phenolic compounds; response surface methodology; scanning electron microscopy;     Show all 18 Subjects
Abstract:
... Nanoparticles based on sodium alginate (SA) and β‐conglycinin (7S) were self‐assembled according to the electrostatic interaction principle. The self‐assembly parameters optimized by response surface methodology were total concentration of 7S and SA of 6.0 mg/ml, 7S to SA mass ratio of 1.85:1, and pH of 2.5. Phyllanthus urinaria phenolic compounds were loaded into the nanoparticles according to th ...
DOI:
10.1111/jfpp.13851

6. Coating approach for a Phase Change Material (PCM)

Author:
Paulo, Bruna Barbon; Andreola, Kaciane; Taranto, Osvaldir; Ferreira, Almerindo D.; Prata, Ana Silvia
Source:
Powder technology 2019 v.341 pp. 147-156
ISSN:
0032-5910
Subject:
sodium alginate,   etc   ; carnauba wax; chitosan; coatings; cold; contact angle; encapsulation; enthalpy; extrusion; fluidized beds; gum arabic; maltodextrins; melting point; phase transition; powders; solids; temperature; viscosity;     Show all 18 Subjects
Abstract:
... PCMs (Phase Change Materials) go through volumetric variation during the solid-liquid phase transitions. Encapsulation enables the preservation of their thermal efficiency and prevents adherence on the surface where they are applied. For PCM application, particles with high load are desirable, and the coating in fluidized bed represents a scalable way to protect them. However, this process require ...
DOI:
10.1016/j.powtec.2018.03.003

7. Alginate Hydrogel Modified with a Ligand Interacting with α3β1 Integrin Receptor Promotes the Differentiation of 3D Neural Spheroids toward Oligodendrocytes in Vitro

Author:
Wen, Han; Xiao, Wenwu; Biswas, Sangita; Cong, Zhao-Qing; Liu, Xin-Min; Lam, Kit S.; Liao, Yong-Hong; Deng, Wenbin
Source:
ACS applied materials & interfaces 2019 v.11 no.6 pp. 5821-5833
ISSN:
1944-8252
Subject:
alginates,   etc   ; astrocytes; drugs; encapsulation; humans; hyaluronic acid; hydrogels; integrins; ligands; materials science; mice; neural stem cells; neurons; oligodendroglia; porosity; surface plasmon resonance;     Show all 16 Subjects
Abstract:
... In this study, we established a long-term three-dimensional (3D) culture system by using integrin ligand modified alginate hydrogels to encapsulate and differentiate neural progenitor cells (NPCs) toward oligodendrocyte (OL) lineage cells. The porosity of the hydrogel was optimized by varying the alginate concentrations and then characterized by scanning electronic microscopy (SEM). The surface pl ...
DOI:
10.1021/acsami.8b19438

8. Evaluating mechanical properties of silica-coated alginate beads for immobilized biocatalysis

Author:
Rehbein, Peter; Raguz, Nikoleta; Schwalbe, Harald
Source:
Biochemical engineering journal 2019 v.141 pp. 225-231
ISSN:
1369-703X
Subject:
alginates,   etc   ; biocatalysis; biocatalysts; chemical composition; coatings; encapsulation; engineering; enzymes; gelation; ionic strength; mechanical properties; mechanical stress; silica; tanks;     Show all 14 Subjects
Abstract:
... For continuous reactions in biochemical engineering, enzymes or whole cells are usually immobilized for structural stabilization and retention in order to ensure repetitive use. One of the most frequently used encapsulation methods is immobilization of biocatalysts in silica-coated alginate beads. The mechanical properties of these beads are of great relevance for biochemical engineering approache ...
DOI:
10.1016/j.bej.2018.10.028

9. Novel dual responsive alginate-based magnetic nanogels for onco-theranostics

Author:
Peng, Na; Ding, Xiao; Wang, Ziyu; Cheng, Yang; Gong, Zhiwei; Xu, Xiangjiao; Gao, Xiaofang; Cai, Qun; Huang, Shiwen; Liu, Yi
Source:
Carbohydrate polymers 2019 v.204 pp. 32-41
ISSN:
0144-8617
Subject:
alginates,   etc   ; adverse effects; chemical bonding; doxorubicin; drug therapy; early diagnosis; encapsulation; image analysis; iron oxides; magnetic resonance imaging; magnetism; nanoparticles; neoplasm cells; toxicity;     Show all 14 Subjects
Abstract:
... The aim of this work was to obtain a novel onco-theranostic system for early diagnosis and improved chemotherapeutic outcome. Hybrid nanogels with magnetic and dual responsive properties were fabricated by covalently attaching superparamagnetic iron oxide nanoparticles (SPIONs) with a disulfide-modified alginate derivative, while simultaneously encapsulating the anticancer drug doxorubicin. The re ...
DOI:
10.1016/j.carbpol.2018.09.084

10. Supramolecular hydrogels of β-cyclodextrin linked to calcium homopoly-l-guluronate for release of coumarins with trypanocidal activity

Author:
Moncada-Basualto, M.; Matsuhiro, B.; Mansilla, A.; Lapier, M.; Maya, J.D.; Olea-Azar, C.
Source:
Carbohydrate polymers 2019 v.204 pp. 170-181
ISSN:
0144-8617
Subject:
sodium alginate,   etc   ; Durvillaea; beta-cyclodextrin; bioactive compounds; calcium; coumarins; encapsulation; gelation; glycoconjugates; hydrogels; hydrolysis; lipophilicity; macroalgae; medicine; mitochondria; pH;     Show all 16 Subjects
Abstract:
... Association constants and thermodynamicsparameters on inclusion of four 3-amido coumarins that present trypanocidal activity, into 6-amino-β-cyclodextrin (1:1 stoichimetry) were determined. In addition, pure homopolymeric-α-l-guluronate fraction prepared by partial hydrolysis of sodium alginate from Sub-Antarctic Kelp Durvillaea antarctica was conjugated with 6-amino-β-cyclodextrin (64% yield). To ...
DOI:
10.1016/j.carbpol.2018.10.010

11. Encapsulation of water-insoluble polyphenols and β-carotene in Ca-alginate microgel particles produced by the Leeds Jet Homogenizer

Author:
Pravinata, Linda C.; Murray, Brent S.
Source:
Colloids and surfaces 2019 v.561 pp. 147-154
ISSN:
0927-7757
Subject:
calcium alginate,   etc   ; beta-carotene; centrifugation; colloids; confocal laser scanning microscopy; encapsulation; foods; magnetic fields; microgels; nanoparticles; polyphenols; solubility;     Show all 12 Subjects
Abstract:
... Polyphenols and β-carotene are widely studied due to their perceived multiple health functions, but their poor solubility in water inhibits their addition to foodstuffs. This provides a motivation for this study: to entrap these water–insoluble compounds into Ca-alginate microgel particles prepared via a special technique termed the Leeds Jet Homogenizer. Water-insoluble particles of polyphenols a ...
DOI:
10.1016/j.colsurfa.2018.10.041

12. Development and application of novel bio-magnetic membrane capsules for the removal of the cationic dye malachite green in wastewater treatment

Author:
Ali, Imran; Peng, Changsheng; Naz, Iffat; Lin, Dichu; Saroj, Devendra P.; Ali, Mohsin
Source:
RSC advances 2019 v.9 no.7 pp. 3625-3646
ISSN:
2046-2069
Subject:
sodium alginate,   etc   ; Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; adsorbents; crosslinking; encapsulation; energy-dispersive X-ray analysis; hydrogen bonding; hydrophilicity; hysteresis; industrial applications; magnetism; malachite green; models; moieties; nanoparticles; oxidation; pH; pollutants; pollution control; polyvinyl alcohol; scanning electron microscopy; thermogravimetry; washing; wastewater treatment;     Show all 26 Subjects
Abstract:
... Novel bio-magnetic membrane capsules (BMMCs) were prepared by a simple two-step titration-gel cross-linking method using a polyvinyl alcohol (PVA) and sodium alginate (SA) matrix to control the disintegration of phytogenic magnetic nanoparticles (PMNPs) in an aqueous environment, and their performance was investigated for adsorbing cationic malachite green (MG) dye from water. The prepared BMMCs w ...
DOI:
10.1039/c8ra09275c

13. Enhanced cyanide biodegradation by immobilized crude extract of Rhodococcus UKMP-5M

Author:
Maniyam, Maegala Nallapan; Ibrahim, Abdul Latif; Cass, Anthony E. G.
Source:
Environmental technology 2019 v.40 no.3 pp. 386-398
ISSN:
1479-487X
Subject:
alginates,   etc   ; biocatalysts; biodegradation; calcium chloride; catalytic activity; cyanides; durability; encapsulation; environmental technology; gellan gum; pH; storage quality; strength (mechanics); temperature;     Show all 14 Subjects
Abstract:
... The capability of the crude extract of Rhodococcus UKMP-5M was enhanced by adopting the technology of immobilization. Among the matrices screened to encapsulate the crude extract, gellan gum emerged as the most suitable immobilization material, exceeding the activity of cyanide-degrading enzyme by 61% and 361% in comparison to alginate carrier and non-immobilized crude extract, respectively. Impro ...
DOI:
10.1080/09593330.2017.1393015

14. Characterizing the encapsulation and release of lentivectors and adeno-associated vectors from degradable alginate hydrogels

Author:
MadrigalThese authors contributed equally to the current study., Justin L.; Shams, Shahin; Stilhano, Roberta S.; Silva, Eduardo A.
Source:
Biomaterials science 2019 v.7 no.2 pp. 645-656
ISSN:
2047-4849
Subject:
alginates,   etc   ; European Union; encapsulation; gene therapy; hydrogels; physical properties; United States;     Show all 7 Subjects
Abstract:
... Gene therapy using viral vectors has been licensed for clinical use both in the European Union and the United States. Lentivectors (LV) and adeno-associated vectors (AAV) are two promising and FDA approved gene-therapy viral vectors. Many future applications of these vectors will benefit from targeting specific regions of interest within the body. Therefore, building on the early success of these ...
DOI:
10.1039/c8bm01218k

15. Agarose-based freeze-dried capsules prepared by the oil-induced biphasic hydrogel particle formation approach for the protection of sensitive probiotic bacteria

Author:
Alehosseini, Ali; Gomez del Pulgar, Eva-María; Fabra, Maria José; Gómez-Mascaraque, Laura G.; Benítez-Páez, Alfonso; Sarabi-Jamab, Mahboobe; Ghorani, Behrouz; Lopez-Rubio, Amparo
Source:
Food hydrocolloids 2019 v.87 pp. 487-496
ISSN:
0268-005X
Subject:
alginates,   etc   ; Bifidobacterium pseudocatenulatum; agarose; bacteria; encapsulation; freeze drying; gelatin; gelation; hydrocolloids; hydrogels; in vitro digestion; oils; oxygen; probiotics; viability; whey protein concentrate;     Show all 16 Subjects
Abstract:
... This work reports on a simple, fast and food-grade encapsulation approach with potential for probiotic protection, which consists on the formation of agarose-based hydrogel particles. These were generated by the supramolecular self-assembly of the probiotic-containing carbohydrate solutions by dripping them into a biphasic bath with an upper oil layer, which acted as the particle-forming antisolve ...
DOI:
10.1016/j.foodhyd.2018.08.032

16. Dexamethasone-containing bioactive dressing for possible application in post-operative keloid therapy

Author:
Rojewska, Agnieszka; Karewicz, Anna; Baster, Marta; Zając, Mateusz; Wolski, Karol; Kępczyński, Mariusz; Zapotoczny, Szczepan; Szczubiałka, Krzysztof; Nowakowska, Maria
Source:
Cellulose 2019 v.26 no.3 pp. 1895-1908
ISSN:
0969-0239
Subject:
alginates,   etc   ; bioassays; cellulose; chitosan; cytotoxicity; dexamethasone; encapsulation; fibroblasts; moieties; phosphates; physicochemical properties; therapeutics;     Show all 12 Subjects
Abstract:
... Bioactive dressing based on bacterial cellulose modified with carboxymethyl groups (mBC) was successfully prepared and studied. The surface of mBC was activated using carbodiimide chemistry and decorated with alginate/hydroxypropyl cellulose submicroparticles containing dexamethasone phosphate (DEX-P). Prior to their deposition particles were coated with chitosan in order to facilitate their bindi ...
DOI:
10.1007/s10570-018-2182-8

17. Physicochemical and Phytochemical Characterization and Storage Stability of Freeze-dried Encapsulated Pomegranate Peel Anthocyanin and In Vitro Evaluation of Its Antioxidant Activity

Author:
Azarpazhooh, Elham; Sharayei, Parvin; Zomorodi, Shahin; Ramaswamy, Hosahalli S.
Source:
Food and bioprocess technology 2019 v.12 no.2 pp. 199-210
ISSN:
1935-5130
Subject:
calcium alginate,   etc   ; 2,2-diphenyl-1-picrylhydrazyl; Punica granatum; anthocyanins; antioxidant activity; bioactive compounds; encapsulation; ethanol; freeze drying; glass transition temperature; half life; in vitro studies; inhibitory concentration 50; iron; maltodextrins; pomegranates; powders; relative humidity; storage quality; storage temperature; storage time;     Show all 21 Subjects
Abstract:
... The acidified ethanol extract of pomegranate (Punica granatum L.) peel bioactive compounds was freeze-dried and encapsulated using a combination of maltodextrin (MDX 5, 10, and 15%) with calcium alginate (0.1%) with a weight ratio (w/w) of 1:5 (extract/wall material). The effects of various parameters on pomegranate peel extraction (POPx) and POPx-encapsulated powder were analyzed on bioactive com ...
DOI:
10.1007/s11947-018-2195-1

18. Vaccination of carp against SVCV with an oral DNA vaccine or an insect cells-based subunit vaccine

Author:
Embregts, C.W.E.; Rigaudeau, D.; Tacchi, L.; Pijlman, G.P.; Kampers, L.; Veselý, T.; Pokorová, D.; Boudinot, P.; Wiegertjes, G.F.; Forlenza, M.
Source:
Fish & shellfish immunology 2019 v.85 pp. 66-77
ISSN:
1050-4648
Subject:
alginates,   etc   ; Baculoviridae; Escherichia coli; G-proteins; Rhabdoviridae; adjuvants; antigens; carp; consumer acceptance; encapsulation; glycoproteins; insects; intramuscular injection; lymphotoxin; pathogens; plasmids; recombinant vaccines; subunit vaccines; vaccination;     Show all 19 Subjects
Abstract:
... We recently reported on a successful vaccine for carp against SVCV based on the intramuscular injection of a DNA plasmid encoding the SVCV glycoprotein (SVCV-G). This shows that the intramuscular (i.m.) route of vaccination is suitable to trigger protective responses against SVCV, and that the SVCV G-protein is a suitable vaccine antigen. Yet, despite the general success of DNA vaccines, especiall ...
DOI:
10.1016/j.fsi.2018.03.028

19. Viabilities of Lactobacillus rhamnosus ASCC 290 and Lactobacillus casei ATCC 334 (in free form or encapsulated with calcium alginate-chitosan) in yellow mombin ice cream

Author:
Farias, Thaísa Gabriela Silva de; Ladislau, Hayane Ferreira Leite; Stamford, Thayza Christina Montenegro; Medeiros, José Alberto Costa; Soares, Bruna Lúcia Mendonça; Stamford Arnaud, Thatiana Montenegro; Stamford, Tânia Lúcia Montenegro
Source:
Lebensmittel-Wissenschaft + [i.e. und] Technologie 2019 v.100 pp. 391-396
ISSN:
0023-6438
Subject:
alginates,   etc   ; Lactobacillus casei; Lactobacillus rhamnosus; chitosan; encapsulation; extrusion; freezing; frozen storage; gastrointestinal system; ice cream; pH; probiotics; storage temperature; titratable acidity; viability;     Show all 15 Subjects
Abstract:
... This research verified the behavior of Lactobacillus rhamnosus and Lactobacillus casei added to ice cream in free form or encapsulated with alginate-chitosan by comparing their: (1) resistance to low temperature; (2) encapsulation efficiency and (3) cell survivability in a simulated gastrointestinal environment. Calcium alginate-chitosan capsules were produced by extrusion method. The ice cream sa ...
DOI:
10.1016/j.lwt.2018.10.084

20. Encapsulation of Trichoderma harzianum conidia as a method of conidia preservation at room temperature and propagation in submerged culture

Author:
Mancera-López, María E.; Izquierdo-Estévez, Wendy F.; Escalante-Sánchez, Abdi; Ibarra, Jorge E.; Barrera-Cortés, Josefina
Source:
Biocontrol science and technology 2019 v.29 no.2 pp. 107-130
ISSN:
1360-0478
Subject:
calcium alginate; sodium alginate,   etc   ; Trichoderma harzianum; ambient temperature; conidia; emulsions; encapsulation; gelation; plant pathogenic fungi; storage temperature; ultraviolet radiation; viability; wavelengths;     Show all 13 Subjects
Abstract:
... The objective of the present work was to develop a method for the preservation of T. harzianum conidia at room temperature and the immobilised conidia propagation in submerged culture. This was accomplished by immobilising the strain in sodium alginate capsules (white capsules) and subsequently propagating them in a column bubble reactor (green capsules). Three capsule diameters were tested (micro ...
DOI:
10.1080/09583157.2018.1535053

21. Reversibly Assembled Electroconductive Hydrogel via a Host–Guest Interaction for 3D Cell Culture

Author:
Xu, Yong; Cui, Meiying; Patsis, Panagiotis A.; Günther, Markus; Yang, Xuegeng; Eckert, Kerstin; Zhang, Yixin
Source:
ACS applied materials & interfaces 2019 v.11 no.8 pp. 7715-7724
ISSN:
1944-8252
Subject:
alginates,   etc   ; cell culture; electrical properties; electron microscopy; encapsulation; hydrogels; myoblasts; nanoparticles; polymerization; polymers; tissue engineering;     Show all 11 Subjects
Abstract:
... The study of cells responding to an electroconductive environment is impeded by the lack of a method, which would allow the encapsulation of cells in an extracellular matrix-like 3D electroactive matrix, and more challengingly, permit a simple mechanism to release cells for further characterization. Herein, we report a polysaccharide-based conductive hydrogel system formed via a β-cyclodextrin-ada ...
DOI:
10.1021/acsami.8b19482

22. Alginate/chitosan microparticles for gastric passage and intestinal release of therapeutic protein nanoparticles

Author:
Ling, Kevin; Wu, Huixia; Neish, Andrew S.; Champion, Julie A.
Source:
Journal of controlled release 2019 v.295 pp. 174-186
ISSN:
0168-3659
Subject:
alginates,   etc   ; enzymes; gastric juice; intestinal mucosa; oral administration; small intestine; colon; chitosan; calcium; histology; microparticles; models; encapsulation; mice; colitis; crosslinking; Salmonella; dextran sulfate; inflammation; droplets; nanoparticles;     Show all 21 Subjects
Abstract:
... Enzymes with intracellular activity have significant potential to treat diseases. Protein nanoparticles (NPs) considerably enhance intracellular delivery of enzymes. We have previously shown that a Salmonella effector enzyme, AvrA, delivered by NPs is capable of modulating inflammatory signals in a murine dextran sulfate sodium (DSS) colitis model. The NPs were instilled intrarectally, limiting de ...
DOI:
10.1016/j.jconrel.2018.12.017

23. Orange juice added with L. casei: is there an impact of the probiotic addition methodology on the quality parameters?

Author:
de Miranda, Rayrinne Ferreira; de Paula, Marlon Memédio; da Costa, Guilherme Mamede; Barão, Carlos Eduardo; da Silva, Ana Carolina Ramos; Raices, Renata Santana Lorenzo; Gomes, Raquel Guttierres; Pimentel, Tatiana Colombo
Source:
Lebensmittel-Wissenschaft + [i.e. und] Technologie 2019
ISSN:
0023-6438
Subject:
alginates,   etc   ; alpha-phellandrene; cold storage; encapsulation; freeze drying; gamma-terpinene; orange juice; organic acids and salts; physicochemical properties; probiotics; rheological properties; volatile compounds;     Show all 12 Subjects
Abstract:
... The objective of this study was to evaluate the effect of the probiotic addition methodology (direct addition of the lyophilized commercial culture, probiotic activated by propagation, or probiotic encapsulated in alginate, 108 CFU/mL) on the physical and chemical characteristics, rheological parameters, volatile compounds profile, probiotic culture survival and sensory acceptance of orange juice ...
DOI:
10.1016/j.lwt.2019.02.047

24. Alginate/PAMAM dendrimer – Halloysite beads for removal of cationic and anionic dyes

Author:
Kurczewska, Joanna; Cegłowski, Michał; Schroeder, Grzegorz
Source:
International journal of biological macromolecules 2019 v.123 pp. 398-408
ISSN:
0141-8130
Subject:
alginates,   etc   ; adsorbents; adsorption; dendrimers; dyes; encapsulation; endothermy; halloysite; mass transfer; models; nanotubes; pH; sorption isotherms; temperature; thermodynamics;     Show all 15 Subjects
Abstract:
... The alginate beads have been widely used for dye removal. However, most of the systems described in literature refer to one type of dyes and the adsorbents of cationic ones are dominant. In this study, the composite alginate beads were prepared and characterized. The system was obtained by encapsulation of polyamidoamine – functionalized halloysite nanotubes in alginate (Alg/Hal_PAMAM beads). The ...
DOI:
10.1016/j.ijbiomac.2018.11.119

25. Alginate-based composites for environmental applications: a critical review

Author:
Wang, Bing; Wan, Yongshan; Zheng, Yuling; Lee, Xinqing; Liu, Taoze; Yu, Zebin; Huang, Jun; Ok, Yong Sik; Chen, Jianjun; Gao, Bin
Source:
Critical reviews in environmental science and technology 2019 v.49 no.4 pp. 318-356
ISSN:
1547-6537
Subject:
alginates,   etc   ; adsorption; antibiotics; biopolymers; cost effectiveness; crosslinking; dyes; encapsulation; energy; gelation; heavy metals; microorganisms; nanoparticles; physicochemical properties; pollutants; pollution control; wastewater;     Show all 17 Subjects
Abstract:
... Alginate-based composites have been extensively studied for applications in energy and environmental sectors due to their biocompatible, nontoxic, and cost-effective properties. This review is designed to provide an overview of the synthesis and application of alginate-based composites. In addition to an overview of current understanding of alginate biopolymer, gelation process, and cross-linking ...
DOI:
10.1080/10643389.2018.1547621

26. One-step assembly of zein/caseinate/alginate nanoparticles for encapsulation and improved bioaccessibility of propolis

Author:
Zhang, Hao; Fu, Yuying; Xu, Yujuan; Niu, Fuge; Li, Zeya; Ba, Chujie; Jin, Bing; Chen, Guowen; Li, Xiaomeng
Source:
Food & function 2019 v.10 no.2 pp. 635-645
ISSN:
2042-650X
Subject:
alginates,   etc   ; acidification; bioactive compounds; bioavailability; buffers; citrates; drugs; encapsulation; equipment; ethanol; flammability; functional foods; gastrointestinal system; hydrophobicity; micelles; nanoparticles; pH; particle size; propolis; sodium caseinate; sodium chloride; solvents; zein; zeta potential;     Show all 24 Subjects
Abstract:
... The design of zein-based nanoparticles to encapsulate bioactive molecules has gained great attention in recent years. However, the use of ethanol to dissolve zein presents flammability concerns and the scale-up production of zein-based nanoparticles is also a concern. In our study, propolis loaded zein/caseinate/alginate nanoparticles were fabricated using a facile one-step procedure: a well-blend ...
DOI:
10.1039/c8fo01614c

27. Second harmonic generation microscopy of collagen organization in tunable, environmentally responsive alginate hydrogels

Author:
Boddupalli, Anuraag; Bratlie, Kaitlin M.
Source:
Biomaterials science 2019 v.7 no.3 pp. 1188-1199
ISSN:
2047-4849
Subject:
alginates,   etc   ; collagen; cornea; crosslinking; encapsulation; epithelium; fibroblasts; hydrogels; image analysis; microscopy; pH; sodium hydroxide; tissue engineering; tissue repair;     Show all 14 Subjects
Abstract:
... We fabricated photocrosslinked, environmentally responsive alginate hydrogels for tissue engineering applications. Methacrylated alginate (ALGMA) hydrogels were prepared across a variety and combination of ionic and covalent (chain growth, step growth, and mixed mode) crosslinking strategies to obtain a range of compressive moduli from 9.3 ± 0.2 kPa for the softest ionically crosslinked hydrogels ...
DOI:
10.1039/c8bm01535j

28. Cryopreservation of alginate-coated in vitro-grown apices of apple, pear and sweet cherry

Author:
Zidova, P.; Paprstein, F.; Sedlak, J.
Source:
Acta horticulturae 2019 no.1234 pp. 175-180
ISSN:
0567-7572
Subject:
sodium alginate,   etc   ; Malus domestica; Prunus avium; Pyrus communis; air flow; ascorbic acid; cold; color; cooling; cryopreservation; encapsulation; explants; freezing; fruit crops; fruits; nitrogen; shoot tips; sucrose; survival rate; thawing; vitrification;     Show all 21 Subjects
Abstract:
... In vitro shoot tips of three temperate fruit crops (apple, pear and sweet cherry) encapsulated in sodium alginate were successfully cryopreserved using two different methods based on vitrification or two-step freezing. Initially, shoot tip cultures were cold-hardened for 4 weeks in 4°C. Explants (3 mm) aseptically dissected from cold hardened in vitro cultures were cold-treated in MS medium supple ...
DOI:
10.17660/ActaHortic.2019.1234.23

29. Cryopreservation of Arundina graminifolia (D. Don) Hochr. seeds using D cryo-plate method

Author:
Thammasiri, K.; Prasongsom, S.; Kongsawadworakul, P.; Chuenboonngarm, N.; Jenjittikul, T.; Soonthornchainaksaeng, P.; Viboonjun, U.; Muangkroot, A.
Source:
Acta horticulturae 2019 no.1234 pp. 301-308
ISSN:
0567-7572
Subject:
sodium alginate,   etc   ; Arundina; agar; air flow; calcium chloride; cryopreservation; culture media; encapsulation; glycerol; liquids; nitrogen; regrowth; seeds; selfing; sucrose;     Show all 15 Subjects
Abstract:
... In this study, cryopreservation of Arundina graminifolia seeds by D cryo-plate and encapsulation dehydration technique were investigated. The results showed that the D cryo-plate method gave the highest regrowth of 82%, followed by encapsulation-dehydration (74%). The D cryo-plate protocol is as follows: pour the alginate solution containing 2% (w/v) sodium alginate in calcium-free ½ MS basal medi ...
DOI:
10.17660/ActaHortic.2019.1234.39

30. Cryopreservation of Paphiopedilum javanicum seeds by encapsulation-dehydration

Author:
Petrus, E.; Ripin, R.; Molidin, D.; Aziz, Z. A.
Source:
Acta horticulturae 2019 no.1234 pp. 181-188
ISSN:
0567-7572
Subject:
sodium alginate,   etc   ; Paphiopedilum; cryopreservation; encapsulation; nitrogen; seed germination; seeds; sucrose; water content; Borneo;     Show all 10 Subjects
Abstract:
... Paphiopedilum javanicum is one of five slipper orchids that can be found in the area around Mount Kinabalu in Malaysian Borneo. A cryopreservation method based on encapsulation-dehydration was established for the storage of P. javanicum seeds. To evaluate the effect of sucrose pretreatment, immature seeds encapsulated in 3% (w/v) sodium alginate beads (4-5 mm) were incubated in sucrose solutions w ...
DOI:
10.17660/ActaHortic.2019.1234.24

31. Optimization of cryopreservation protocols for zygotic embryos of Citrus reticulata

Author:
Nadarajan, J.; Akter, A.
Source:
Acta horticulturae 2019 no.1234 pp. 137-144
ISSN:
0567-7572
Subject:
alginates,   etc   ; Citrus reticulata; cryopreservation; differential scanning calorimetry; encapsulation; germplasm; longevity; regrowth; seedlings; seeds; storage time; temperature; vitrification; water content;     Show all 14 Subjects
Abstract:
... Citrus seeds are known to have short life spans in conventional seed banks. Seed of most Citrus species show a typical intermediate storage behaviour where they survive desiccation to c. 7-10%. However, longevity is compromised at this low moisture content at sub-zero temperatures. Cryopreservation of zygotic embryos is an option for the long-term storage of germplasm of this species and we invest ...
DOI:
10.17660/ActaHortic.2019.1234.18

32. Comparison of in-vitro bioassays for evaluation of the response of different stages of Rhipicephalus sanguineus sensu lato to calcium alginate encapsulated pheromone beads

Author:
Gowrishankar, S.; Latha, Bhaskaran Ravi; Sreekumar, C.; Leela, V.
Source:
Experimental & applied acarology 2019 v.77 no.3 pp. 455-462
ISSN:
0168-8162
Subject:
calcium alginate,   etc   ; Rhipicephalus sanguineus; acarology; bioassays; encapsulation; females; larvae; males; nymphs; olfactometers; sex pheromones; taxonomy; ticks;     Show all 13 Subjects
Abstract:
... Tick sex pheromone (SP), assembly pheromone (AP) and their combination (SP + AP) were encapsulated in calcium alginate beads. In vitro bioassays, namely Petri dish and olfactometer assays, were employed to estimate the level of attraction of the various stages of Rhipicephalus sanguineus sensu lato, namely unfed and engorged (fed) larvae, nymphs, females, and males to the different pheromones. The ...
DOI:
10.1007/s10493-019-00340-0

33. Microbial cell encapsulation as a strategy for the maintenance of stock cultures

Author:
Bassani, Joseane C.; Queiroz Santos, Vidiany A.; Barbosa-Dekker, Aneli M.; Dekker, Robert F.H.; da Cunha, Mário Antônio A.; Pereira, Edimir A.
Source:
Lebensmittel-Wissenschaft + [i.e. und] Technologie 2019 v.102 pp. 411-417
ISSN:
0023-6438
Subject:
calcium alginate,   etc   ; Enterobacter aerogenes; Escherichia coli; bacteria; beta-galactosidase; beta-glucuronidase; encapsulation; freeze drying; refrigeration; scanning electron microscopy; storage temperature; storage time; viability;     Show all 13 Subjects
Abstract:
... A cellular immobilization technique was developed as a new proposal for the maintenance and preservation of microbial cultures. Cells of enterobacteria, Escherichia coli (ATCC 25922) and Enterobacter aerogenes (ATCC 13048) were entrapped in calcium alginate beads, which were subjected to different storage conditions. Non-dehydrated beads crude devoid of bacterial cells were kept under refrigeratio ...
DOI:
10.1016/j.lwt.2018.12.058

34. Nanofibre encapsulation of limonene and modelling its release mechanisms

Author:
Dede, S.; Lokumcu Altay, F.
Source:
Acta alimentaria 2019 v.48 no.1 pp. 56-64
ISSN:
1588-2535
Subject:
sodium alginate,   etc   ; activation energy; encapsulation; equations; gelatin; lactalbumin; limonene; nanofibers; polyvinyl alcohol; xanthan gum;     Show all 10 Subjects
Abstract:
... In this study, limonene was encapsulated by using gelatine, Na-alginate, polyvinyl alcohol, lactalbumin or xanthan gum with the uniaxial electrospinning process. The highest encapsulation efficiency was obtained for the sample containing polyvinyl alcohol. The release kinetic studies of nanofibre encapsulated limonene were carried out at 5.5, 20, and 38.5 °C. The Peppas equation expressed the rele ...
DOI:
10.1556/066.2019.48.1.7

35. Survival of encapsulated probiotics in pasteurized grape juice and evaluation of their properties during storage

Author:
Mokhtari, Samira; Jafari, Seid Mahdi; Khomeiri, Morteza
Source:
Food science and technology international 2019 v.25 no.2 pp. 120-129
ISSN:
1532-1738
Subject:
alginates,   etc   ; Bifidobacterium bifidum; Lactobacillus acidophilus; acidity; bacteria; brix; color; encapsulation; gelation; grape juice; pH; pasteurization; probiotics; storage time; turbidity;     Show all 15 Subjects
Abstract:
... In this study, probiotic bacteria such as Lactobacillus acidophilus and Bifidobacterium bifidum were encapsulated in alginate beads with a mean diameter of 54.25 ± 0.18 µm by internal gelation. Encapsulated and free cells as control samples were then added to the pasteurized grape juice and stored for 60 days. At the end of the storage period, the survivability of the bacteria in the encapsulated ...
DOI:
10.1177/1082013218801113

36. A novel type cold mix pavement material made with calcium-alginate and aggregates

Author:
Alenezi, Thamer; Norambuena-Contreras, José; Dawson, Andrew; Garcia, Alvaro
Source:
Journal of cleaner production 2019 v.212 pp. 37-45
ISSN:
0959-6526
Subject:
calcium alginate,   etc   ; ambient temperature; bitumen; cement; cold; droplets; emulsions; encapsulation; energy; mechanical properties; mixing; pavements;     Show all 12 Subjects
Abstract:
... This paper has been prepared in the frame of a research focused on the development of Cold Mix pavement materials made with calcium-alginate Capsules (CMC) instead of with just bitumen emulsion, as it is normally made. The initial objective was to remove most of the water in cold mix asphalt by encapsulating bitumen droplets. The encapsulation method allowed the preparation of polynuclear capsules ...
DOI:
10.1016/j.jclepro.2018.11.297

37. Anthocyanins from jussara (Euterpe edulis Martius) extract carried by calcium alginate beads pre-prepared using ionic gelation

Author:
da Silva Carvalho, Ana Gabriela; da Costa Machado, Mariana Teixeira; de Freitas Queiroz Barros, Helena Dias; Cazarin, Cinthia Baú Betim; Maróstica Junior, Mário Roberto; Hubinger, Miriam Dupas
Source:
Powder technology 2019 v.345 pp. 283-291
ISSN:
0032-5910
Subject:
calcium alginate,   etc   ; Euterpe edulis; adsorption; anthocyanins; chitosan; cold storage; color; cyanidin; encapsulation; environmental factors; gel strength; gelatin; gelation; hydrogels; intestines; pH; polymers; powders; viscosity; whey protein concentrate; zeta potential;     Show all 21 Subjects
Abstract:
... In order to take advantage of the functional properties of the jussara (Euterpe edulis Martius) extract, this study aimed at producing alginate hydrogel beads by ionic gelation process to carry jussara extract, increase its stability and to protect the anthocyanins from environmental conditions that interfere in stability and color of these compounds, such as the pH of the medium. Anthocyanins enc ...
DOI:
10.1016/j.powtec.2019.01.016

38. Characterization of biopolymer-based systems obtained by spray-drying for retinoic acid controlled delivery

Author:
Gonçalves, Antónia; Estevinho, Berta N.; Rocha, Fernando
Source:
Powder technology 2019 v.345 pp. 758-765
ISSN:
0032-5910
Subject:
alginates,   etc   ; Weibull statistics; adverse effects; chitosan; encapsulation; gum arabic; half life; intestinal absorption; models; powders; retinoic acid; sodium; spray drying;     Show all 13 Subjects
Abstract:
... Novel carrier-based delivery systems have been strategically designed and developed to beneficiate retinoic acid (RA) as medical agent. The final purpose is to deal with the factors which hamper RA efficacy (e.g. short half-life, low absorption in the intestine and severe side effects). The present work proposes the inclusion of RA into arabic gum, modified chitosan and alginic acid sodium microca ...
DOI:
10.1016/j.powtec.2019.01.062

39. Encapsulation of stevia rebaudiana Bertoni aqueous crude extracts by ionic gelation – Effects of alginate blends and gelling solutions on the polyphenolic profile

Author:
Arriola, Nathalia D. Aceval; Chater, Peter Ian; Wilcox, Matthew; Lucini, Luigi; Rocchetti, Gabriele; Dalmina, Milene; Pearson, Jeffrey P.; de Mello Castanho Amboni, Renata Dias
Source:
Food chemistry 2019 v.275 pp. 123-134
ISSN:
0308-8146
Subject:
alginates,   etc   ; Fourier transform infrared spectroscopy; Stevia rebaudiana; calcium chloride; catechin; crosslinking; encapsulation; extrusion; gelation; hydrogen bonding; luteolin; metabolomics; polyphenols;     Show all 13 Subjects
Abstract:
... We formulated and characterised two alginate blends for the encapsulation of stevia extract (SE) via ionic gelation through an extrusion technique. Calcium chloride in SE and calcium chloride solutions were assessed as crosslinkers to overcome phenolic losses by diffusion and increase encapsulation efficiency (EE). Regardless of the blend, all stevia-loaded beads exhibited high EE (62.7–101.0%). T ...
DOI:
10.1016/j.foodchem.2018.09.086

40. Light-Harvesting Dye–Alginate Hydrogel for Solar-Driven, Sustainable Biocatalysis of Asymmetric Hydrogenation

Author:
Yoon, Jaeho; Lee, Sahng Ha; Tieves, Florian; Rauch, Marine; Hollmann, Frank; Park, Chan Beum
Source:
ACS sustainable chemistry & engineering 2019 v.7 no.6 pp. 5632-5637
ISSN:
2168-0485
Subject:
alginates,   etc   ; NAD (coenzyme); Thermus scotoductus; biocatalysis; enantiomers; encapsulation; energy; enzymes; heat; hydrogels; hydrogenation; lighting; value added;     Show all 13 Subjects
Abstract:
... We report visible light-driven, asymmetric hydrogenation of C═C bonds using an ene-reductase from Thermus scotoductus SA-01 (TsOYE) and a light-harvesting dye (rose bengal, RB) co-immobilized in an alginate hydrogel. Highly efficient encapsulation of RB in alginate hydrogel was achieved using the intrinsic affinity between TsOYE and RB, which allowed for the construction of robust RB-TsOYE-loaded ...
DOI:
10.1021/acssuschemeng.9b01075

41. Microfluidics-based self-assembly of peptide-loaded microgels: Effect of three dimensional (3D) printed micromixer design

Author:
Borro, Bruno C.; Bohr, Adam; Bucciarelli, Saskia; Boetker, Johan P.; Foged, Camilla; Rantanen, Jukka; Malmsten, Martin
Source:
Journal of colloid and interface science 2019 v.538 pp. 559-568
ISSN:
0021-9797
Subject:
alginates,   etc   ; antimicrobial peptides; crosslinking; encapsulation; geometry; hydrodynamics; manufacturing; microfluidic technology; microgels; mixing; particle size; photons; physicochemical properties; polymyxin B; production technology; small-angle X-ray scattering; spectroscopy; turbulent flow;     Show all 18 Subjects
Abstract:
... In an effort to contribute to research in scalable production systems for polymeric delivery systems loaded with antimicrobial peptides (AMPs), we here investigate effects of hydrodynamic flow conditions on microfluidic particle generation. For this purpose, rapid prototyping using 3D printing was applied to prepare micromixers with three different geometric designs, which were used to prepare Ca2 ...
DOI:
10.1016/j.jcis.2018.12.010

42. Antimicrobial and antioxidant activity of unencapsulated and encapsulated clove (Syzygium aromaticum, L.) essential oil

Author:
Radünz, Marjana; da Trindade, Maria Luiza Martins; Camargo, Taiane Mota; Radünz, André Luiz; Borges, Caroline Dellinghausen; Gandra, Eliezer Avila; Helbig, Elizabete
Source:
Food chemistry 2019 v.276 pp. 180-186
ISSN:
0308-8146
Subject:
sodium alginate,   etc   ; 2,2-diphenyl-1-picrylhydrazyl; Escherichia coli; Listeria monocytogenes; Salmonella Typhimurium; Staphylococcus aureus; Syzygium aromaticum; antibacterial properties; antioxidant activity; bacterial growth; cloves; emulsifiers; encapsulation; essential oils; hydroxyl radicals; nitrites; virulent strains;     Show all 17 Subjects
Abstract:
... Clove (Syzygium aromaticum, L.) essential oil is known for its antimicrobial activity against several pathogenic bacteria. Encapsulation of clove oil was proposed as a mean to disguise its strong odor that limits its uses in food industry. Thus, the aim of this study was extraction, encapsulation and assessment of the antimicrobial and antioxidant potential of clove essential oil. The essential oi ...
DOI:
10.1016/j.foodchem.2018.09.173

43. Effect of stressful malolactic fermentation conditions on the operational and chemical stability of silica-alginate encapsulated Oenococcus oeni

Author:
Simó, Guillermo; Fernández-Fernández, Encarnación; Vila-Crespo, Josefina; Ruipérez, Violeta; Rodríguez-Nogales, José Manuel
Source:
Food chemistry 2019 v.276 pp. 643-651
ISSN:
0308-8146
Subject:
alginates,   etc   ; Fourier transform infrared spectroscopy; Oenococcus oeni; alcohols; bacteria; condensation reactions; encapsulation; hydrogels; industrial applications; malolactic fermentation; pH; polymers; scanning electron microscopy; winemaking; wines;     Show all 15 Subjects
Abstract:
... Oenococcus oeni was encapsulated into inter-penetrated polymer networks of silica-alginate (SiO2-ALG). Fourier transform infrared spectroscopy analysis proved the presence and the polycondensation of the siliceous material used in SiO2-ALG capsules. Environmental scanning electron microscopy showed that the structure of SiO2-ALG biocapsules was rougher than in alginate (ALG) biocapsules. The behav ...
DOI:
10.1016/j.foodchem.2018.10.025

44. Encapsulated green magnetic nanoparticles for the removal of toxic Pb2+ and Cd2+ from water: Development, characterization and application

Author:
Ali, Imran; Peng, Changsheng; Lin, Dichu; Saroj, Devendra P.; Naz, Iffat; Khan, Zahid M.; Sultan, Muhammad; Ali, Mohsin
Source:
Journal of environmental management 2019 v.234 pp. 273-289
ISSN:
0301-4797
Subject:
sodium alginate,   etc   ; Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; adsorbents; adsorption; cadmium; composite materials; electrostatic interactions; encapsulation; energy-dispersive X-ray analysis; gels; hysteresis; ion exchange; ions; lead; magnetic properties; magnetism; models; nanoparticles; nitric acid; oxidation; pH; pollutants; polyvinyl alcohol; scanning electron microscopy; sorption isotherms; temperature; thermogravimetry; titration; toxicity; wastewater treatment;     Show all 32 Subjects
Abstract:
... Current research is based on an innovative approach of the fabrication of encapsulated sustainable, green, phytogenic magnetic nanoparticles (PMNPs), to inhibit the generation of secondary pollutants (Iron/Feo) during water treatment applications. These novel bio-magnetic membrane capsules (BMMCs) were prepared using two-step titration gel crosslink method, with polyvinyl alcohol and sodium algina ...
DOI:
10.1016/j.jenvman.2018.12.112

45. Facile synthesis of chitosan-grafted beta-cyclodextrin for stimuli-responsive drug delivery

Author:
Wang, Jingwei; Guo, Zhiheng; Xiong, Jianxin; Wu, Datong; Li, Shan; Tao, Yongxin; Qin, Yong; Kong, Yong
Source:
International journal of biological macromolecules 2019 v.125 pp. 941-947
ISSN:
0141-8130
Subject:
alginates,   etc   ; Fourier transform infrared spectroscopy; Lewis bases; X-ray diffraction; adsorption; beta-cyclodextrin; biocompatible materials; chitosan; desorption; drug carriers; encapsulation; epichlorohydrins; etoposide; hydrophilicity; nuclear magnetic resonance spectroscopy; pH; scanning electron microscopes; thermogravimetry; thermosensitivity;     Show all 19 Subjects
Abstract:
... Modification of natural polysaccharides such as chitosan (CS), β‑cyclodextrin (β-CD), and alginic acid offers a promising strategy for the preparation of smart drug carriers, and latest innovations on such carriers are focused on stimuli-responsive biomaterials. In this study, highly hydrophilic three-demensional (3D) porous CS-grafted β-CD (CS-g-β-CD) was prepared through the Williamson ether syn ...
DOI:
10.1016/j.ijbiomac.2018.12.150

46. Microfluidic formation of core-shell alginate microparticles for protein encapsulation and controlled release

Author:
Yu, Lei; Sun, Qi; Hui, Yue; Seth, Arjun; Petrovsky, Nikolai; Zhao, Chun-Xia
Source:
Journal of colloid and interface science 2019 v.539 pp. 497-503
ISSN:
0021-9797
Subject:
alginates,   etc   ; adjuvants; antigens; biocompatibility; biodegradability; encapsulation; engineering; ethyleneimine; gelation; hydrogels; inulin; microgels; microparticles; models; ovalbumin;     Show all 15 Subjects
Abstract:
... Alginate hydrogel particles are promising delivery systems for protein encapsulation and controlled release because of their excellent biocompatibility, biodegradability, and mild gelation process. In this study, a facile microfluidic approach is developed for making uniform core-shell hydrogel microparticles. To address the challenge of protein retention within the alginate gel matrix, poly(ethyl ...
DOI:
10.1016/j.jcis.2018.12.075

47. Encapsulated betalains (Opuntia ficus-indica) as natural colorants. Case study: Gummy candies

Author:
Otálora, María Carolina; de Jesús Barbosa, Helber; Perilla, Jairo Ernesto; Osorio, Coralia; Nazareno, Mónica Azucena
Source:
Lebensmittel-Wissenschaft + [i.e. und] Technologie 2019 v.103 pp. 222-227
ISSN:
0023-6438
Subject:
calcium alginate,   etc   ; Opuntia ficus-indica; betalains; candy; case studies; color; encapsulation; food industry; fruits; gel strength; gelatin; gelation; model food systems; natural dyes; storage temperature; stress relaxation; viscoelasticity;     Show all 17 Subjects
Abstract:
... Gummy candies were selected as model food system to incorporate betalain-rich capsules (BC) obtained by ionic gelation with calcium alginate from a betalain-rich extract of Opuntia-ficus-indica fruit. Ten formulations were obtained by a factorial design (2 × 5) with two types of gelatin (GA and GB), and five betalain-rich capsules/gelatin (BC/G) ratios (from 70/30 to 30/70). The rheological and mo ...
DOI:
10.1016/j.lwt.2018.12.074

48. Impact of light-emitting diodes (LEDs) on the growth and morphogenesis of encapsulated shoot buds of Curculigo orchioides Gaertn., an endangered medicinal herb

Author:
Dutta Gupta, S.; Kumar, Anand; Agarwal, A.
Source:
Acta physiologiae plantarum 2019 v.41 no.4 pp. 50
ISSN:
0137-5881
Subject:
sodium alginate,   etc   ; Curculigo orchioides; antioxidant activity; benzyladenine; biomass; buds; calcium chloride; canopy; carotenoids; chlorophyll; digital images; encapsulation; flavonoids; fluorescence; gels; germination; germplasm conservation; image analysis; irradiation; lamps; leaf area; leaves; light emitting diodes; medicinal plants; morphogenesis; plantlets; seedlings; sucrose;     Show all 28 Subjects
Abstract:
... The present study describes the impact of light-emitting diodes (LEDs) on synseed germination and subsequent synseed-derived seedling growth of Curculigo orchioides, an endangered medicinal plant under in vitro conditions. Shoot buds regenerated on Murashige and Skoog’s medium (MS) containing 4 mg/l 6-benzylaminopurine (BAP), and 3% sucrose were utilized for encapsulation. Encapsulation was achiev ...
DOI:
10.1007/s11738-019-2840-y

49. Characterization of Spirulina-Alginate Beads Formed Using Ionic Gelation

Author:
Rajmohan, Deepak; Bellmer, Danielle
Source:
International Journal of Food Sciences 2019 v.2019
ISSN:
2314-5765
Subject:
sodium alginate,   etc   ; Spirulina; bitterness; calcium chloride; crude protein; encapsulation; firmness; foods; gelation; hardness; hydrogels; particle size; scanning electron microscopes; texture; vitamins;     Show all 15 Subjects
Abstract:
... Spirulina (blue-green algae) is one of the cheapest sources of protein and essential vitamins. However, bitterness and bad flavor of spirulina protein may limit its use in food products. In this study, spirulina was encapsulated using ionic gelation to facilitate protein delivery. The objective was to study the effects of different types of gelation methods on particle size, texture, morphology, a ...
DOI:
10.1155/2019/7101279

50. Magnetically-guided hydrogel capsule motors produced via ultrasound assisted hydrodynamic electrospray ionization jetting

Author:
Rutkowski, Sven; Si, Tieyan; Gai, Meiyu; Sun, Mengmeng; Frueh, Johannes; He, Qiang
Source:
Journal of colloid and interface science 2019 v.541 pp. 407-417
ISSN:
0021-9797
Subject:
alginates,   etc   ; biodegradability; calcium; crosslinking; drugs; electrodes; electrolytes; encapsulation; hydrodynamics; hydrogels; ionization; magnetic fields; mushrooms; spraying;     Show all 14 Subjects
Abstract:
... Hydrogel capsules are a potential candidate for drug delivery and an interesting alternative to polyelectrolyte multilayer capsules which are under investigation since 20 years. Recently introduced polyelectrolyte complex capsules produced by spraying are non-biodegradable and not biocompatible, which limits their practical application, while biodegradable alginate capsules require complex coaxial ...
DOI:
10.1016/j.jcis.2019.01.103