Results 51 to 60 of about 56,993 (355)

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   +4 more sources

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

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

Alginate reduces the increased uptake of cholesterol and glucose in overweight male subjects: a pilot study [PDF]

, 2008
Dietary fibers are of particular interest in the prevention and management of obesity and consequent pathologies. Among the proposed mechanisms of action of fiber is the modulation of nutrient uptake from the small intestine.
Alfieri, Aller, Behall, Behall, Bell, Bernard M. Corfe, Brownlee, Chen, Frias, Gostynski, Goñi, Gray, J.C. Richardson, Jenkins, Jenny R. Paxman, Karmally, Kimura, Lavin, Liu, Peter W. Dettmar, Porcellati, Sandberg, Seal, Strugala, Suka, Torsdottir, Wakabayashi, Williams, Wolf, Wu, Yeomans   +30 more
core   +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

Using a Supramolecular Approach to Engineer Modular Hydrogel Platforms for Culturing Protoplasts – from General Tissue Engineering to Cellular Agriculture

Advanced Biology, EarlyView.
Using supramolecular monomers, various hydrogel culture systems were formulated to culture protoplasts; including 2D, 2.5D, and 3D hydrogels. Depending on the culture platform, bioactive functionalization led to protoplast enlargement (2D and 2.5D) or plasmolysis (3D). This work shows the potential to modularly engineer synthetic platforms for cellular
Maritza M. Rovers, Erik J. Slootweg, Ferdinand C. O. Los, Patricia Y. W. Dankers   +3 more
wiley   +1 more source

Investigation of the biosynthesis of exopolysaccharides within the biofilm matrix of Pseudomonas aeruginosa and Pseudomonas syringae pv. actinidiea : a thesis presented in partial fulfilment of the requirements for degree of Doctor of Philosophy in Microbiology and Genetics at Massey University, Manawatu, New Zealand [PDF]

, 2017
Polysaccharides are highly abundant natural biopolymers, which have biologically significant structural functions in living organisms. Various polysaccharides, with specific physicochemical properties, contribute to biofilm formation; defined as cell ...
Ghods, Shirin
core  

3D In Vitro Models of Breast Cancer: Current Challenges and Future Prospects Toward Recapitulating the Microenvironment and Mimicking Key Processes

Advanced Biology, EarlyView.
In vitro cancer models are advantageous for studying important processes such as tumorigenesis, cancer growth, invasion, and metastasis. The complexity and biological relevance increase depending on the model structure, organization, and composition of materials and cells.
Kyndra S. Higgins, Ah Joung Yu, Cheryl T. Gomillion   +2 more
wiley   +1 more source

Advancing Wildfire‐Retardant Materials: Engineering Strategies for Direct and Indirect Suppression

Advanced Engineering Materials, EarlyView.
Here, the evolution, ecological impact, and performance of current fire‐retardant materials and suppression strategies are reviewed, offering an engineering perspective to address existing challenges and propose pathways for the development of more effective, scalable, and sustainable solutions to meet the demands of a changing climate. Wildfires cause
Changxin Dong, Samya Sen, Athena Kolli, Stewart G. Wilson, Eric Andrew Appel   +4 more
wiley   +1 more source

Preparation and Characterisation of Phenytoin-Loaded Alginate and Alginate-Chitosan Microparticles [PDF]

Drug Delivery, 2007
We aimed to prepare and investigate microparticles with the varying contents of calcium gelling ion, loaded with phenytoin, a standard antiepileptic agent, in its acidic form. Two different methods of alginate-based microparticles preparation were used: with and without treatment with chitosan.
Cekić, Nebojša, Savić, Snežana, Milić, Jela, Savić, Miroslav, Jović, Žarko, Malesević, Marjia   +5 more
openaire   +5 more sources