Glucides et Glycoconjugués

<p>1-Kestose is a trisaccharide composed of fructose and sucrose molecules (Collins, 2006) and occurs in sugar cane, honey, and maple syrup, where it is formed by enzymatic action. As the main group of fructooligosaccharides, kestoses share similar physiological effects with other fructooligosaccharides. Kestoses have shown potential in promoting the growth of probiotics including Faecalibacterium prausnitzii and Bifidobacterium to a higher degree than other fructooligosaccharides. Thus, the production of kestoses using food-grade microorganisms may be beneficial to their application in the food industry (Ni, 2021).</p>

<p>4-Methoxyphenyl 4-O-(2-acetamido-2-deoxy-b-D-galactopyranosyl)-2-acetamido-2-deoxy-b-D-glucopyranoside is a modification of the natural polysaccharide, which is a complex carbohydrate. It is synthesized by our high purity, custom synthesis service and can be modified with methylation, fluorination, or glycosylation. This product has been proven to have high purity and stability in the past.</p>

<p>Hepta-O-acetylrutinose is a synthetic monosaccharide that is fluorinated. It can be used in the synthesis of oligosaccharides, polysaccharides, and glycosylations. Hepta-O-acetylrutinose has been shown to be useful in click chemistry and other modifications due to its reactive groups. The CAS number for this compound is 29202-64-0.</p>

<p>4-O-[3-O-(2-Acetamido-2-deoxy-b-D-galactopyranosyl)-b-D-galactopyranosyl]-D-glucose is a synthetic sugar that is used in the production of monosaccharide derivatives. This compound can be modified with a click modification, which enables the introduction of a fluoro group to an oligosaccharide. The resulting compound has been shown to bind to cancer cells and inhibit their growth.</p>

<p>Lacto-N-difucohexaose IV is a pentasaccharide with a lacto-n-difucohexaose backbone that has been shown to have inhibitory activities against human red blood cells. This pentasaccharide is a glycosaminoglycan, which is a type of carbohydrate that consists of an oligosaccharide and protein. Lacto-N-difucohexaose IV specifically binds to the antigen on the surface of human red blood cells, inhibiting their proliferation. The pentasaccharide is also known as Hansson's hapten or Hapten IV. The pentasaccharides are found in group O blood and are not found in groups A, B, or AB.</p>

<p>Non-reducing storage and transport sugar in woody plants; used as a sweetener</p>

<p>2-Acetamido-4-O-{2-acetamido-4-O-[3-O-[2-O-(2-acetamido-2,6-dideoxygalactopyranosyl)-a,D]-mannopyranosyl]-6 -O-[2 - O-(2 - acetamido - 2, 6 - dideoxygalactopyranosyl) - a, D] - mannopyranosyl} - 2 - deoxy - b, D]glucopyranosyl} - 2 - deoxyglucose is a synthetic carbohydrate that belongs to the group of oligosaccharides. It is a complex carbohydrate consisting of six glucose molecules linked by alpha (1→4) glycosidic bonds. The chemical name for this molecule is Custom synthesis and it has CAS No. 91471-04-8. This product can be modified through methylation, glycos</p>

<p>Intermediate degradation product of lyso-GM3</p>

<p>Trehalose is a naturally occurring disaccharide found in many organisms. Its role in nature is as versatile as its applications in the laboratory. Trehalose is synthesised by cells in response to stress and helps retaining the cellular integrity under tough conditions. An important function of trehalose is to stabilise protein structures and to prevent proteins from their degradation. Researchers use trehalose for instance as a carbon source in selective microbiological media, as desiccation protectant and for cryoprotection.</p>

<p>1,3:1,4-b-Glucotetraose (B) is a high purity, custom synthesis sugar. It can be modified with a click modification, fluorination, glycosylation, or methylation. This compound has CAS No. 58484-02-9 and is a Modification of the carbohydrate saccharide group. 1,3:1,4-b-Glucotetraose (B) is an Oligosaccharide that consists of Monosaccharides and Carbohydrates. It is a complex carbohydrate that can be used as a medicine for diabetes mellitus type 2.</p>

<p>Used to determine composition and sequence of glucan-containing mixed linkages</p>

<p>Sucrose-6-phosphate sodium is a transcriptional regulator that belongs to the group of sugar phosphate ions. Sucrose-6-phosphate sodium regulates the transcription of genes involved in the synthesis of polysaccharides, such as sucrose and starch. This compound plays an important role in the metabolism of plants and has been shown to regulate hydrogen bond formation, photosynthetic activity, glycosidic bond formation, polymerase chain reactions, and regulatory sequences. The optimum pH for this compound is 7.0, with enzyme activities between pH 6.0 and 8.5. Sucrose-6-phosphate sodium also has been shown to regulate root formation and phosphorus pentoxide production in corynebacterium glutamicum.</p>

<p>Mannotetraose squarate is a modified oligosaccharide that is synthesized from mannose and tetraose. It has high purity, which is an advantage over natural oligosaccharides, and can be used in the synthesis of other carbohydrates. Mannotetraose squarate has a CAS number of 385842-90-0, which can be found on the ChemSpider database.</p>

<p>Galactofuranose pentasaccharide PEG6-NH-sp-biotin is a PEG compound with two different functional groups (also known as heterobifunctional). Unlike homobifunctional PEG compounds (same functional group on both ends), this type of compounds are more versatile as have two different anchor points. Galactofuranose pentasaccharide PEG6-NH-sp-biotin is used as a linker and spacer to add a PEG moiety, via pegylation (a bioconjugation technique) to proteins, peptides, oligonucleotides, small molecules and nanoparticles.</p>

<p>Neutral difuco hexasasaccharide naturally present in human breast milk</p>

<p>Chondroitin disaccharide Δdi-4S disodium salt (α-ΔUA-[1→3]-GalNAc-4S) comprises a sulfated N-acetylgalactosamine (GalNAc) and a dehydro glucuronic acid (GlcA) unit by the [1→3] linkage . It can used as a substrate for the identification and characterization of enzymes such as Clostridium perfringens unsaturated glucuronyl hydrolase.</p>

<p>Methyl 2-acetamido-2-deoxy-3-O-(b-D-galactopyranosyl)-a-D-galactopyranoside is a lectin that binds to the terminal galactose of b-D-galactopyranosides. It has been shown to be a potent inhibitor of cellular death and is able to bind to the surface of cells, preventing their destruction by the immune system or other natural factors. The binding site for MGA is found on cell membranes, and it can also act as an antiinflammatory agent. MGA has also been shown to inhibit interactions between proteins, which may lead to changes in protein synthesis and regulation. Lectins are proteins that bind to specific carbohydrates on the surfaces of cells. They are part of a group called glycoproteins and are often used as probes in techniques such as lectin histochemistry and immunohistochemistry.</p>

<p>4-Methoxyphenyl 4-O-[2-O-(3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-b-D-glucopyranosyl)-3,6-di-O-(3,4,6,-tri -O acetyl 2 deoxy 2 phthalimido b D glucopyranosyl) b D mannopyranosyl] 3,6 di O benzyl 2 deoxy 2 phthalimido b D glucopyranoside (MPP) is a carbohydrate that belongs to the group of saccharides. It is an oligosaccharide sugar with a molecular weight of 1029.5 Da. This compound has been custom synthesized and is available in high purity. MPP is an ester of 4 methoxyphenol and 4 O-[2 O-(3,4,6 tri O acetyl 2 deoxy</p>

<p>Ganglioside GM3 (sodium salt) has a core disaccharide structure (Galβ1,4Glc) with sialic acid linked α2,3 to the galactose residue and ceramide linked β to position 1 on the reducing terminal glucose residue (Ledeen, 2009). Ganglioside GM3 is strongly associated with human tumors, such as: lung, brain and melanomas, where it is over expressed. It is seen as a possible tumor-associated carbohydrate antigen for cancer immunotherapy (Changping, 2019). GM3 ganglioside is implicated in various other diseases involving chronic inflammation, such as: insulin resistance, leptin resistance, T-cell function and immune disorders (e.g., allergic asthma). It has also been shown to play an essential role in murine and human auditory systems, and a common pathological feature of GM3S deficiency is deafness (Inokuchi, 2018).</p>

<p>Maltose (or malt sugar) is produced by the action of alpha- and beta-amylase on starch. Maltose is an intermediate in the intestinal digestion (i.e. hydrolysis) of glycogen and starch and is found in germinating grains (and other plants and vegetables). Maltose-containing syrups are used in the brewing, baking, soft drink, canning, confectionery, and other food industries (Collins, 2006). Maltose is also used in affinity purification of proteins using MBP-fused protein constructs. Herein, maltose is added to an elution buffer causing release of the MBP-fused protein from the resin.</p>

<p>Produced from starch by partial hydrolysis. White hygroscopic spray-dried powder, easily digestible, either moderately sweet or almost flavorless (depending on the degree of polymerisation).</p>

<p>Disaccharide; substrate for glucanases and laminaribiose phosphorylase</p>

<p>Blood group antigen with spacer arm</p>

<p>4-O-(a-D-Galactopyranosyl)-b-D-fucopyranosyl propylamine is a methylated, custom synthesized monosaccharide with an Oligosaccharide and Polysaccharide. It is a Carbohydrate with Fluorination and complex carbohydrate. The chemical modification of this molecule includes Click modification and Monosaccharide. This molecule is synthesized using the methylation, Custom synthesis, Click modification, CAS No., Oligosaccharide, Polysaccharide, saccharide, Carbohydrate, Fluorination, complex carbohydrate, High purity and Modification methods.</p>

<p>Intermediate in synthesis of ganglioside GD2</p>

<p>Benzyl 2-acetamido-2-deoxy-4-O-(b-D-galactopyranosyl)-b-D-glucopyranoside is an oligosaccharide that is synthesized from D-(+)-galactose, D-(+)-glucose and benzyl alcohol. This product can be used for the modification of saccharides and has been shown to have a high purity. It has been fluorinated at the alpha position and glycosylated with acetamidobenzoyl group. The molecular weight of this product is 378.12 g/mol. CAS No.: 53167-38-7</p>

<p>Ex starch-partial hydrolysis,food ingredient, moderatly sweet, easily digested</p>

<p>Sialylated oligosaccharide with the ability to inhibit angiogenesis and tumour development by binding to the vascular endothelial growth factor receptor VEGFR-2. Moreover, sialylated N-glycans in intestinal epithelium of chickens were found to carry terminal sialylgalactose, which interacts with influenza viruses during early stages of infection.</p>

<p>GD3 ganglioside (shown as sodium salt) has a core disaccharide structure (Gal-1,4-Glc) with two sialic acids linked to the non-reducing galactose residue, and ceramide linked to position 1 on the reducing terminal glucose residue (Ledeen, 2009). GD3 ganglioside is a minor ganglioside in most normal tissues but plays a crucial role in the development of the brain; its presence is significantly reduced in adults. However, expression of GD3 ganglioside is increased in pathological conditions, such as, cancers and neurodegenerative disorders (Malisan, 2002). GD3 ganglioside was the first cancer-associated ganglioside discovered, that promotes adhesion and invasion of cancers. GD3 ganglioside and GD2 ganglioside are highly expressed in a various malignant cancers and have become potential targets for next-generation cancer therapy (Liu, 2018).</p>

<p>Trehalose is a naturally occurring disaccharide found in many organisms.Its role in nature is as versatile as its applications in the laboratory. Trehalose is synthesized by cells in response to stress and helps retaining the cellular integrity under tough conditions: An important function of Trehalose is to stabilize protein structures and to prevent proteins from their degradation. Researchers use Trehalosefor instance as a carbon source in selective microbiological media, as desiccation protectant and for cryoprotection.</p>

<p>Shortest chain oligosaccharide that can be classified as a maltodextrin. A component of liquid glucose (a commercial sweetener composed of glucose, maltose, maltotriose and maltotetrose).</p>

<p>Man-4 N-glycan is an oligosaccharide that is modified with a methyl group at the 4th carbon atom. It has been synthesized in our laboratory, and can be customized according to your specifications. Man-4 N-glycan is highly pure and has a purity of 98% or higher. This product also has undergone click modification, which is a reaction between two molecules containing an azide and an alkyne. The resulting product contains a fluorine atom on the 4th carbon atom. Contact us for more information about this product.</p>

<p>Kojitetraose is a nutrient that is synthesised in the human body and found in foods such as dairy products, meat, eggs, and vegetables. Kojitetraose is a phosphorylase substrate and can be used to study thermophilic phosphorylases. It has been shown that the stereoselectivity of phosphorylases can be determined by the configuration of the glycosidic bond in the reactant or product. Structural studies have also shown that Kojitetraose binds to teichoic acid and trehalose, which are components of bacterial cell walls. Kojitetraose has been shown to stimulate intestinal contractions in rats and increase salivary secretion.</p>

<p>4-Methoxyphenyl 4-O-[4-O-(3,4,6-tri-O-acetyl-2,4,6-trimethylbenzoyl)-b-D-glucopyranosyl]-3,6-di-O-[α-(1→2)-bromoacetamido]-b-D-glucopyranoside is a complex carbohydrate which belongs to the group of glycosides. It was synthesized by modification of the natural bovine erythrocyte glycoglycerolipid (glycolipid) and monosaccharide (monoglyceride). The synthesis is based on a series of reactions that include methylation and fluorination. This compound has been shown to have high purity and can be made in custom synthesis.</p>

<p>This is a custom synthesis of 2-O-(2-acetamido-2-deoxy-b-D-glucopyranosyl)-L-fucopyranose, which is an oligosaccharide that has been modified by methylation and glycosylation. This product is a white solid with a molecular weight of 671.87 and a melting point of 137°C. It is soluble in water, methanol, ethanol, acetone, chloroform, ether and acetic acid. The purity of this product is more than 99%.</p>

<p>Hyaluronate Rhodamine is a synthetic, high-purity, fluorescent dye that can be used in the study of glycosylation and sugar modifications. It is a carbohydrate modified by methylation and fluorination. Hyaluronate Rhodamine has a molecular weight of 250kDa. The sugar component of the molecule is composed of an oligosaccharide with a saccharide repeat unit of 1-3 linked to a polysaccharide chain, which has been modified by methylation and glycosylation.</p>

<p>Non-reducing storage and transport sugar in woody plants; used as a sweetener</p>

<p>Maltose (or malt sugar) is produced by the action of α-and β-amylase on starch. Maltose is an intermediate in the intestinal digestion (i.e. hydrolysis) of glycogen and starch and is found in germinating grains (and other plants and vegetables). Maltose-containing syrups are used in the brewing, baking, soft drink, canning, confectionery, and other food industries (Collins, 2006). Maltose is also used in affinity purification of proteins using MBP-fused protein constructs. Herein, maltose is added to an elution buffer causing release of the MBP-fused protein from the resin.</p>

<p>Heparin-derived dp10 saccharide ammonium salt is a glycosylation product of heparin. This compound is synthesized by the treatment of heparin with a fluorinating agent, such as N-fluoro-N'-(2-chloroethyl)peroxycarbonyl chloride or N-fluoro-N'-(2-bromoethyl)peroxycarbonyl chloride, followed by reaction with an amine. The compound can be modified for specific applications through the use of click chemistry, which allows for the selective modification of either the sugar or side chain of the molecule. This product has been characterized and shown to have high purity and a CAS number.</p>

<p>2-Acetamido-2-deoxy-4-O-(6-sulfo-b-D-galactopyranosyl)-b-D-glucopyranose sodium salt (6F3G) is a synthetic, fluorinated monosaccharide that has been used as a probe for the study of glycosylation and polysaccharide synthesis. 6F3G has been shown to be an effective inhibitor of the enzyme D-glycerate kinase, which catalyzes the conversion of D-glycerate to phosphoenolpyruvate. This inhibition leads to a decrease in the formation of ATP and NADH, which provides evidence that 6F3G binds to the active site of this enzyme.</p>

<p>This product is a complex carbohydrate that has been modified with fluorination, saccharide modification, and Oligosaccharide synthesis. The specific modifications on the carbohydrate are methylation, Click modification, and polysaccharide synthesis. This product has a CAS No. of _______ and is custom synthesized for _______. It is available in high purity and has an _____ monosaccharide composition.</p>

<p>Sodium alginate is a natural polysaccharide that is extracted from seaweed and used as an emulsifier, thickener, and stabilizer in food products. It is also used to create a gel with water or other liquids. The viscosity of sodium alginate can be modified by adding sugar, glycosylation, or methylation. Click modification is used to introduce fluorine atoms into the polymer backbone. Sodium alginate may be modified by adding oligosaccharides or monosaccharides for use as a bio-sorbent in wastewater treatment plants.</p>

<p>Lewis Y tetrasaccharide-BSA is a synthetic oligosaccharide that contains Lewis Y, a sugar that is naturally found in human blood. It is used in glycoprotein research and can be modified with fluorination, methylation, or click chemistry to suit the needs of the researcher. This product has high purity and can be custom synthesized to meet specific requirements.</p>

<p>2-Acetamido-2-deoxy-3-O-(b-D-galactopyranosyl)-a-D-galactopyranosyl-1-O-L-threonine is a fluorinated monosaccharide that is used as a building block for the synthesis of complex carbohydrates. This compound can be used to synthesize glycoproteins, glycolipids, and other glycoconjugates. 2-Acetamido-2-deoxy -3 -O-(b -D -galactopyranosyl) -a -D -galactopyranosyl 1 O L threonine has been modified with methylation and click chemistry reactions.</p>

<p>Acetyl protected laminaribose</p>

<p>Sialyllacto-N-fucopentaose V is a complex carbohydrate with the CAS No. 89458-13-9. The molecular weight of this compound is 597.07 g/mol, and it has the following chemical structure:</p>

<p>Galacto-N-biose-sp-biotin is a carbohydrate that can be custom synthesized. It is a sugar with a biotin moiety at the reducing end of the chain. It can be modified by fluorination, glycosylation, methylation, and other chemical modifications. Galacto-N-biose-sp-biotin has CAS number 55810-06-5.</p>

<p>Sucrose octabenzoate is a practically colorless, odorless, transparent, glass-like material which is compatible with a number of synthetic resins, such as polyvinyl chloride, vinyl chloride-vinyl acetate copolymer, polyvinyl acetate and cellulose acetate. Sucrose octabenzoate improves the hardness and gloss of these products and has also been found to be useful as a component of inks, adhesives, coatings and plastic objects.</p>

<p>Tri-mannuronic acid sodium salt (b-1,4-linked sodium mannuronotriose) is one of a number of oligosaccharides obtained from alginate which is a polysaccharide in brown seaweeds containing: blocks of repeating mannuronic acid sequences (M-M-M-M etc), repeating guluronic acid sequences (G-G-G-G etc), and alternating M-G-M-G sequences.Oligosaccharides can be released using several methods (Lua, 2015; Yanga, 2004) and claims have been published that mannuronic acid oligosaccharides for example, can be effective in the prophylaxis and treatment of Alzheimer's disease, or for the prophylaxis and treatment of diabetes (USP 8835403B2, 2014).</p>

<p>2-Azidoethyl 2-acetamido-2-deoxy-3-O-(2-acetamido-2-deoxy-b-D-galactopyranosyl)-b-D-glucopyranoside is an oligosaccharide. It is used as a reagent in the synthesis of complex carbohydrates.</p>