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Quantitative analysis of degree of substitution/molar substitution of etherified polysaccharide derivatives [PDF]

Designed Monomers and Polymers, 2022
Due to the unique properties such as nontoxicity, biodegradability, availability from renewable resources, and cost-effectiveness, polysaccharides play a very important part in the science and technology field. The various chemically modified derivatives
Xue-Li Liu, Chun-Feng Zhu, Han-Chun Liu, Jia-Ming Zhu   +3 more
doaj   +5 more sources

Preparation and Optimization of Water-Soluble Cationic Sago Starch with a High Degree of Substitution Using Response Surface Methodology [PDF]

Polymers, 2020
Norhazlin Zainuddin
exaly   +2 more sources

The Annealing of Acetylated Potato Starch with Various Substitution Degrees [PDF]

Molecules, 2021
This study aimed to determine the effect of “annealing” acetylated potato starch with a homogenous granule size and various degrees of substitution on the thermal pasting characteristics (DSC), resistance to amylases, rheology of the prepared pastes, swelling power and dynamics of drug release.
Tomasz Zięba, Aleksandra Wilczak, Justyna Kobryń, Witold Musiał, Małgorzata Kapelko-Żeberska, Artur Gryszkin, Marta Meisel   +6 more
openaire   +4 more sources

Studies on Sulfate Group Substitution on Sodium Sulfated Alginate Electrospinning [PDF]

علوم و تکنولوژی پلیمر, 2022
Hypothesis: Due to the presence of intra- and inter molecular hydrogen bonding in alginate chemical structure, its electrospinning capability is weak. However, this weakness can be improved through substitution of hydroxyl groups by sulfate groups.
Mahdokht Akbari Taemeh, Hamed Daemi, Ayoub Shiravandi, Maryam Mashayekhi   +3 more
doaj   +1 more source

High Swelling Carboxymethyl Cellulose Synthesized from Coconut Fibers

Journal of Natural Fibers, 2023
To attain the zero waste and green chemistry goals, much emphasis has shifted toward the use of cellulose derived from agricultural biomass. In this study, carboxymethylation of microcrystalline cellulose from coconut fiber by use of monochloroacetic ...
Gichuki Joyline, Kareru Patrick Gachoki, Gachanja Anthony Ngure, Ngamau Catherine Nyambura, Madivoli Edwin Shigwenya   +4 more
doaj   +1 more source

Study on Carboxymethylation Modification and Antioxidant Activity of Polysaccharides from Zizyphus jujuba

Shipin gongye ke-ji, 2022
To investigate the changes of structural characteristics and antioxidant activity of carboxymethylated jujube polysaccharides, this study was carried out on the Zizyphus jujuba polysaccharide carboxymethylated modification.
Yuxia FU, Xin GUO, Yabo WEI, Xiaorong DENG, Yongdong LEI, Pingping LIU, Jian ZHANG   +6 more
doaj   +1 more source

Preparation and Physiological Activity of Carboxymethylated Siraitia grosvenorii Polysaccharide with Different Degrees of Substitution

Shipin gongye ke-ji, 2023
To investigate the effect of carboxymethylated with different degrees of substitution on the properties of Siraitia grosvenorii polysaccharide (SGP), carboxymethylated Siraitia grosvenorii polysaccharide (CSGP) was prepared by solvent method by using the
Guizhen LIU, Zhiwei YANG
doaj   +1 more source

Properties of Calcium Sulfoaluminate Cement Mortar Modified by Hydroxyethyl Methyl Celluloses with Different Degrees of Substitution

Molecules, 2021
This paper studies the influence of hydroxyethyl methyl cellulose (HEMC) on the properties of calcium sulfoaluminate (CSA) cement mortar. In order to explore the applicability of different HEMCs in CSA cement mortars, HEMCs with higher and lower molar ...
Shaokang Zhang, Ru Wang, Linglin Xu, Andreas Hecker, Horst-Michael Ludwig, Peiming Wang   +5 more
doaj   +1 more source

Synthesis and Characterization of Cellulose Triacetate Obtained from Date Palm (Phoenix dactylifera L.) Trunk Mesh-Derived Cellulose

Molecules, 2022
Cellulosic polysaccharides have increasingly been recognized as a viable substitute for the depleting petro-based feedstock due to numerous modification options for obtaining a plethora of bio-based materials.
Hamid M. Shaikh, Arfat Anis, Anesh Manjaly Poulose, Saeed M. Al-Zahrani, Niyaz Ahamad Madhar, Abdullah Alhamidi, Saleh Husam Aldeligan, Faisal S. Alsubaie   +7 more
doaj   +1 more source

Preparation and Emulsification Performance Analysis of Octenyl Succnic Anhydride Modified Strach from Mechanical Activated Sago Strach

Shipin gongye ke-ji, 2023
The sago starch was mechanically activated by a stirring-type ball mill as pretreatment, and the octenyl succinic acid starch ester was prepared by the esterification agent octenyl succinic anhydride.
Jiatian YANG, Jinming TANG, Yamei ZHANG, Yu MIAO, Qingwei JIANG, Yuan CHEN   +5 more
doaj   +1 more source