Results 21 to 30 of about 8,700 (258)

Sodium and potassium alginates extracted from Macrocystis pyrifera algae for use in dental impression materials

Ciencias Marinas, 2004
 Sodium and potassium alginates were extracted at the pilot plant scale from the giant kelp, Macrocystis pyrifera, from Bahía Tortugas, Baja California Sur, Mexico.
R Reyes-Tisnado, G Hernández-Carmona, F López-Gutiérrez, EJ Vernon-Carter, P Castro-Moroyoqui   +4 more
doaj   +1 more source

Improving The Antioxidant Activity of Sodium Alginate from Sargassum sp. by Thermal Heating and Chemical Methods

Jurnal Kelautan Tropis, 2020
The relationship between molecular structure and bioactivity was evaluated for sodium alginates obtained under different degradation treatment (raw alginates, heat-treated, and chemical-treated) from Sargassum sp. This study was conducted to identify the
Mila Safitri Rizfa, Ervia Yudiati, Diah Permata Wijayanti   +2 more
doaj   +1 more source

Safety and efficacy of sodium and potassium alginate for pets, other non food‐producing animals and fish

EFSA Journal, 2017
Sodium and potassium alginate are intended to be used as technological additives (functional groups: emulsifiers, stabilisers, thickeners, gelling agents and binders).
EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP), Guido Rychen, Gabriele Aquilina, Giovanna Azimonti, Vasileios Bampidis, Maria de Lourdes Bastos, Georges Bories, Andrew Chesson, Pier Sandro Cocconcelli, Gerhard Flachowsky, Boris Kolar, Maryline Kouba, Marta López‐Alonso, Secundino López Puente, Alberto Mantovani, Baltasar Mayo, Fernando Ramos, Maria Saarela, Roberto Edoardo Villa, Robert John Wallace, Pieter Wester, Anne‐Katrine Lundebye, Carlo Nebbia, Derek Renshaw, Matteo Lorenzo Innocenti, Jürgen Gropp   +25 more
doaj   +1 more source

Exploiting Mannuronan C-5 Epimerases in Commercial Alginate Production

Marine Drugs, 2020
Alginates are one of the major polysaccharide constituents of marine brown algae in commercial manufacturing. However, the content and composition of alginates differ according to the distinct parts of these macroalgae and have a direct impact on the ...
Anne Tøndervik, Olav A. Aarstad, Randi Aune, Susan Maleki, Philip D. Rye, Arne Dessen, Gudmund Skjåk-Bræk, Håvard Sletta   +7 more
doaj   +1 more source

Molecular weight and viscosifying power of alginates produced by mutant strains of Azotobacter vinelandii under microaerophilic conditions

Biotechnology Reports, 2020
Alginates are polysaccharides that are of interest in various industrial applications. This is due to the viscosifying properties of alginates, which depends on the weight-average molecular weight. The aim of the present study was to evaluate the changes
Andres García, Tania Castillo, Diego Ramos, Carlos L. Ahumada-Manuel, Cinthia Núñez, Enrique Galindo, Jochen Büchs, Carlos Peña   +7 more
doaj   +1 more source

Alginic Acid-acetate [PDF]

Nature, 1946
VARIOUS attempts have been described1 to acetylate alginic acid by means of acetic anhydride or acetic acid, without or with catalysts, for example, pyridine, acids, etc. Some of the products thus obtained were probably degraded, and it appeared of interest, therefore, to find out whether the acetylation of alginic acid can be done by a relatively mild
openaire   +3 more sources

Alginate supramolecular hydrogels based on viologen and cucurbit[8]uril: Host‐induced caveolae‐mediated endocytosis to white blood cancer cells

View, 2023
The cellular uptake of drug carriers to the cytosol of a specific cell remains challenging, and a non‐classical supramolecular strategy is motivated. Here, we select a model host–guest complex in which a diamino‐viologen (1,1′‐bis(4‐aminophenyl)‐[4,4 ...
Falguni Chandra, Maria Bykova, Vijo Poulose, Paltan Laha, Alina Aktanova, Olga Boeva, Margarita Barkovskaya, Ekaterina Pashkina, Na'il Saleh   +8 more
doaj   +1 more source

Characterization of Alginates of Sargassum from the Archipelago of Guadeloupe

Separations
Sargassum is a genus of brown algae that causes a major impact to marine ecosystems. Although accumulation of this invasive seaweed is considered an environmental problem, Sargassum can also be resource of valuable molecules such as alginates.
Naika Marcin, Valendy Thesnor, Valentin Duvauchelle, Alejandro Ponce-Mora, Lucia Gimeno-Mallench, Stacy Narayanin-Richenapin, Laura Brelle, Eloy Bejarano, Christelle Yacou, Muriel Sylvestre, Cristel Onésippe-Potiron, Patrick Meffre, Zohra Benfodda, Gerardo Cebrian-Torrejon   +13 more
doaj   +1 more source

Strain Construction and Process Development for Efficient Recombinant Production of Mannuronan C-5 Epimerases in Hansenula polymorpha

Frontiers in Plant Science, 2022
Alginates are linear polysaccharides produced by brown algae and some bacteria and are composed of β-D-mannuronic acid (M) and α-L-guluronic acid (G).
Anne Tøndervik, Randi Aune, Adelheid Degelmann, Michael Piontek, Helga Ertesvåg, Gudmund Skjåk-Bræk, Håvard Sletta   +6 more
doaj   +1 more source

Sulfated Polysaccharides from Marine Algae as a Basis of Modern Biotechnologies for Creating Wound Dressings: Current Achievements and Future Prospects

Biomedicines, 2020
Wound healing involves a complex cascade of cellular, molecular, and biochemical responses and signaling processes. It consists of successive interrelated phases, the duration of which depends on a multitude of factors.
Boris G. Andryukov, Natalya N. Besednova, Tatyana A. Kuznetsova, Tatyana S. Zaporozhets, Svetlana P. Ermakova, Tatyana N. Zvyagintseva, Ekaterina A. Chingizova, Anna K. Gazha, Tatyana P. Smolina   +8 more
doaj   +1 more source