Content of Arabinogalactan from Cherry Gum (Prunus avium) and as Polymer Carrier for Immobilization of Trypsin

Tapdigov, Shamo Z.; Zeynalov, N.A.; Humbatova, Saadat; Nagiev, Jalal A.; Isazadeh, Aygun F.; Hasanova, M.Kh.; Safaraliyeva, S.F.

doi:10.14233/ajchem.2016.19318

Cited by 6 publications

(6 citation statements)

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“…The cross-linking of these copolymer samples with MBAA resulted in the formation of hydrogels that can be swollen in water and pH medium. The synthesis and characterization of such hydrogels have been studied in detail in the work of Shamo et al, 23,24 . In the structure, it is possible to imagine the chemical structure of the sample of graft copolymer obtained by replacing the Chs units with fragments AG and GA. Dox binding mainly occurred between -OCOCH 3 , -COOH on Dox and -OH, -NHgroups of ChS the by hydrogen bond.…”

Section: Resultsmentioning

confidence: 99%

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Study of Sorption Kinetics of Doxycycline on pH Sensitive Hydrogel-based Graft Copolymers of Chitosan/Arabinogalactan/ Gummiarabic with Vinyl Monomers

Hasanovaa

2021

Orient. J. Chem

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Graft copolymers of natural polysaccharides chitosan (Chs), gummi-arabic (GA) and arabinogalactan (AG) were synthesized with N-vinylpyrrolidone (VPr) (4-vinylpyridine and N-vinylpyrrolidone used as comonomers for chitosan grafting), and then pH-sensitive hydrogels were designing by cross-linked them with N,N-methylene-bis-acrylamide. Effective sorption of doxycycline from aqueous solutions with water-swelling gels has been studied experimentally. The effect of gel dose, initial concentration of doxycycline, pH medium and solution ionic strength of the sorption rate and capacity of the antibiotic was systematically studied. The surface and volume absorption kinetics and isotherms of the process have also been investigated. It was found that the max sorption capacity for swellable gels varies between Chs-graft-VPr/4VPAG/graft-VPrGA/graft-VPr. It has been shown that the sorption mechanism is mainly dominated by physical sorption and to some extent hydrogen bonds and electrostatic interactions.

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Section: Resultsmentioning

confidence: 99%

“…2): the main chain consists of a galactose chain connected by a β-(1→3) glucoside bond. The side chain is composed of uronic acids, mainly glucuronic acids, which bind to the galactose and arabinose links by a β-(1→6) bond [21][22][23][24] .…”

Section: Introductionmentioning

confidence: 99%

Study of Sorption Kinetics of Doxycycline on pH Sensitive Hydrogel-based Graft Copolymers of Chitosan/Arabinogalactan/ Gummiarabic with Vinyl Monomers

Hasanovaa

2021

Orient. J. Chem

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“…The sugar unit ratios of the isolated AG samples determined by acid methanolysis and methylation analyses, and 13 C NMR spectroscopy were in good agreement with each other. The Gal:Ara ratio for Shamakhi cherry AG determined by 13 C NMR proved to be high. This may be explained as being due to the unidentified signals from the anomeric carbons.…”

Section: Figure 5 Suggested Major Structural Features Of Typical Aramentioning

confidence: 90%

“…In previous studies, the methylation analysis was conducted in line with Smith and NMR spectroscopy studies. 13 C NMR results show that the main chain in all highsoluble arabinogalactan consists of β-D-(1→3)-Galp-units (Fig.3).…”

Section: Nmr Spectroscopymentioning

confidence: 99%

“…Note that the properties of AG mentioned above make it possible to use it as a carrier of medicine preparations, enzymes and microelements that are necessary for human organism. [12][13][14][15] It should be added that complexes of AG with ions of copper, nickel, cobalt and iron with 60-80% yield have been synthesized. The amount of metal ions is 1-5% and it was established that AG is more perspective as a carrier of biogenic microelements.…”

Section: Introductionmentioning

confidence: 99%

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Research Into Properties and Structure of Basic Polysaccharide in Prunus Domestica (Cherry)

Tapdigov¹,

Zeynalov²,

Taghiyev³

et al. 2018

Chemical Problems

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The paper deals with FTIR and 13 C NMR spectroscopic, thermo-gravimetric, radioactive and viscosimetric analyses of the diluted gum water solution. It revealed that there are galactan and arabinan in the basic residue of cherry gum extract in the environs of Shamakhi city (Azerbaijan) with 14% moisture mineral salts of 2-3%. Most of them include e Na + , Mg 2+ , Ca 2+ , K + , Zn 2+ Fe 3+ ions. In the meanwhile Cu 2+ , Mg 2+ , Cd 2+ ions make up 0.001% of total mass. Following FTIR and C NMR analyses, there are mainly-OH,-COOH,-O-functional groups with molecular mass for arabinogalactan fraction of 130 kDa. At the same time, the quantity and activity of radioactive elements such as 137 Cs, 226 Ra, 228 Ra, 40 K, 235 U, 238 U in the content of cherry gum have been established by γ-spectrometer method. It demonstrated that isotopes dominate in 238 U and 40 K and their activity are respectively 1.31±0.243 and 04±0.16 Bk/gr. The content of these radioactive isotopes in the gum makes it possible to produce arabinogalactan-based sorbents.

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Trimesic acid-modified magnetic gum as a highly efficient and recyclable biocatalyst for the one-pot green synthesis of condensation reactions

Ghafuri

Abbasi

Ghanbari

et al. 2023

International Journal of Biological Macromolecules

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Content of Arabinogalactan from Cherry Gum (Prunus avium) and as Polymer Carrier for Immobilization of Trypsin

Cited by 6 publications

References 0 publications

Study of Sorption Kinetics of Doxycycline on pH Sensitive Hydrogel-based Graft Copolymers of Chitosan/Arabinogalactan/ Gummiarabic with Vinyl Monomers

Study of Sorption Kinetics of Doxycycline on pH Sensitive Hydrogel-based Graft Copolymers of Chitosan/Arabinogalactan/ Gummiarabic with Vinyl Monomers

Research Into Properties and Structure of Basic Polysaccharide in Prunus Domestica (Cherry)

Trimesic acid-modified magnetic gum as a highly efficient and recyclable biocatalyst for the one-pot green synthesis of condensation reactions

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