Results 21 to 30 of about 52,667 (115)

Crystal structure of methyl α-l-rhamnopyranosyl-(1→2)-α-l-rhamnopyranoside monohydrate

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2019
The title compound, C13H24O9·H2O, a structural model for part of bacterial O-antigen polysaccharides from Shigella flexneri and Escherichia coli, crystallizes with four independent disaccharide molecules and four water molecules in the asymmetric unit ...
Lars Eriksson, Göran Widmalm
doaj   +1 more source

Effect of disaccharides and methionine from embryo eggs on goose intestinal development

open access: yesSiliao yanjiu, 2021
The experiment studied the effect of disaccharides and methionine from embryo eggs on goose intestinal development. Selected 600 goose eggs containing viable embryos and divided into four groups with three replicates in each group and 50 eggs in each ...
De-sheng LI   +4 more
doaj  

Disaccharide-tag for highly sensitive identification of O-GlcNAc-modified proteins in mammalian cells.

open access: yesPLoS ONE, 2022
O-GlcNAcylation is the only sugar modification for proteins present in the cytoplasm and nucleus and is thought to be involved in the regulation of protein function and localization.
Hirohito Abo   +6 more
doaj   +2 more sources

Four New Glycosides from the Rhizoma of Anemarrhena asphodeloides

open access: yesMolecules, 2017
Four new compounds, aneglycoside A–C (1–3) and timosaponin U (4), were isolated from the rhizomes of Anemarrhena asphodeloides. Their structures were determined through extensive spectroscopic analysis, chemical characteristics, and high-resolution mass ...
Bing-You Yang   +5 more
doaj   +1 more source

Evaluation of Multiple Methods for Quantification of Glycosaminoglycan Biomarkers in Newborn Dried Blood Spots from Patients with Severe and Attenuated Mucopolysaccharidosis-I

open access: yesInternational Journal of Neonatal Screening, 2020
All newborn screening (NBS) for mucopolysaccharidosis-I (MPS-I) is carried out by the measurement of α-iduronidase (IDUA) enzymatic activity in dried blood spots (DBS).
Zackary M. Herbst   +4 more
doaj   +1 more source

Preparation of the Partially Methylated Alditol Acetates Derived from CS Tetrasaccharides Containing Galactose for the Gas Chromatography/Mass Spectrometry Analysis

open access: yesBio-Protocol, 2017
Chondroitin sulfate (CS), a member of the glycosaminoglycan (GAG) family of carbohydrates, is composed of linear, sulfated repeating disaccharide sequences of N-acetyl-D-galactosamine (GalNAc) and glucuronic acid (GlcA).
Kyohei Higashi, Toshihiko Toida
doaj   +1 more source

Structural Characterization and Anticoagulant Activities of a Keratan Sulfate-like Polysaccharide from the Sea Cucumber Holothuria fuscopunctata

open access: yesMarine Drugs, 2023
A sulfated polysaccharide (AG) was extracted and isolated from the sea cucumber H. fuscopunctata, consisting of GlcNAc, GalNAc, Gal, Fuc and lacking any uronic acid residues.
Ru Chen   +7 more
doaj   +1 more source

Total Synthesis of Natural Disaccharide Sambubiose

open access: yesPharmaceuticals, 2020
A practical and robust synthetic method to obtain the natural disaccharide sambubiose (2-O-β-D-xylopyranosyl-D-glucopyranose) is reported, exploring the key step in the synthesis, i.e., stereoselective O-glycosylation. Specifically, the best combinations
Simone Lucarini   +3 more
doaj   +1 more source

Synthesis of Disaccharide Nucleosides Utilizing the Temporary Protection of the 2′,3′-cis-Diol of Ribonucleosides by a Boronic Ester

open access: yesMolecules, 2017
Disaccharide nucleosides are an important class of natural compounds that have a variety of biological activities. In this study, we report on the synthesis of disaccharide nucleosides utilizing the temporary protection of the 2′,3′-cis-diol of ...
Hidehisa Someya, Taiki Itoh, Shin Aoki
doaj   +1 more source

The Impact of Adding Trehalose to the Diet on Egg Quality and Tibia Strength in Light-Laying Hens

open access: yesAnimals
Trehalose, a disaccharide consisting of two D-glucose molecules, is present in a variety of organisms, including bacteria, yeast, fungi, insects, and plants.
Fernando Perazzo Costa   +8 more
doaj   +1 more source

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