Glicociência

<p>Kappa-Carrageenan is a gelling sulphated galactan extracted from red seaweed (typically Mastocarpus stellata and Chondrus crispus). The structure of all carrageenans consists of a strictly alternating masked repeating unit of 1,3-linked α-D-galactose and 1,4-linked β-D-galactose. The α-linked galactose occurs as α-3-6-anhydro unit and the β-linked sugar occurs as the 4-sulphate.<br>The image was kindly provided by Prof Mike Guiry from Cork who runs ‘The Seaweed Site’.</p>

<p>Tamarind gum comes from the seed of the tamarind tree Tamarindus indica and is used in the food industry as a stabiliser and an emulsifier. It has been suggested that the structure is a main chain of cellulose with frequent branching at the O-6 positions with short side chains of one or two D-xylopyranosyl capped with D-xylopyranosyl, D-galactopyranosyl or L-arabinofuranosyl units. In application, tamarind finds use in the sizing of jute and as a stabilizer and thickener in the food industry.</p>

<p>1,2,3-Tri-O-methyl-D-glucopyranoside is a custom synthesis and modification of the natural product 1,2,3-tri-O-methyl-D-mannopyranoside. The compound was synthesized by fluorination of the 3' hydroxyl group followed by methylation of the 2', 3' hydroxyl groups to form a triol. This sugar was then glycosylated with D-glucose to produce an oligosaccharide. 1,2,3 - Tri -O - methyl - D - glucopyranoside is a natural product that can be found in plants such as barley and wheat. It has been shown to have antiinflammatory properties.</p>

<p>1-Oxododecyl β-D-glucopyranoside is a synthetic compound that is used as an intermediate in the synthesis of oligosaccharides, monosaccharides, saccharides, and other carbohydrates. It has a purity of &gt;98% and can be custom synthesized to meet your specifications. 1-Oxododecyl β-D-glucopyranoside is also available for purchase with fluorination, glycosylation, and methylation modifications. The CAS number for this product is 64395-92-2.</p>

<p>8,9-Dideoxy-28,29-dihydro-7,10-dihydroxy-35-O-(2,6-dideoxy-L-ribo-hexopyranosyl)amphotericin B is an antifungal drug that belongs to the class of polyene macrolides. It is a potent inhibitor of Candida albicans and Candida glabrata. This compound has been shown to have synergistic effects when used in combination with nystatin against C. albicans. 8,9-Dideoxy-28,29-dihydro-7,10-dihydroxy-35O-(2,6 - dideoxy - L - ribo - hexopyranosyl)amphotericin B also inhibits toll like receptor 4 (TLR4), which is responsible for the induction of inflammatory cytokines such as IL1B and IL8</p>

<p>Poria cocos is an edible medicinal fungus known as “Fuling” in Chinese that has been used as a Chinese traditional medicine for more than two thousand years. Polysaccharide material is the most abundant organic substance in the fungus, accounting for about 85% of the total and is a mixture of polysaccharides with the major component being Pachyman, a β-glucan with a 1,3 backbone and 1,6 side chains. It is reported that Pachyman has a wide range of biological activities including antitumour, immunomodulatory, anti-inflammatory and antioxidative properties. Pachyman is a beta-glucan with a 1,3 backbone and 1,6 side chains of fungal origin (Poria cocos).<br>The image was kindly provided by Dr. Chris Lawson.</p>

<p>1,6-Di-O-galloyl-β-D-glucopyranose is a plant active compound that has been shown to have insecticidal and antifungal properties. It is also an inhibitor of serine proteases. 1,6-Di-O-galloyl-β-D-glucopyranose may be used to control the spread of human immunodeficiency virus (HIV) in humans. In an in vitro study, 1,6-di galloyl β-D glucopyranose was found to inhibit HIV by binding to the viral envelope gp120 protein and preventing it from attaching to CD4 receptor sites on T cells. This inhibition prevents the virus from entering the cell and infecting it. 1,6 - di - O - galloyl - β - D - glucopyranose also inhibits HIV by blocking its entry into the host cell through interaction with gp41 protein on the</p>

<p>N-Acetylmuramic acid 6-phosphate is a molecule that belongs to the class of compounds known as nucleotide phosphates. It is an intermediate in the biosynthesis of peptidoglycan, which is a major component of bacterial cell walls. N-Acetylmuramic acid 6-phosphate is synthesized from ATP and N-acetylmuramic acid by hydrolysis. The reaction mechanism for this transformation involves an imine intermediate, which can be formed through the action of two molecules of ATP and one molecule of N-acetylmuramic acid. This reaction is catalyzed by an enzyme called heterocyst. The enzyme kinetics for this transformation are influenced by many factors, including temperature, pH, and substrate concentration.</p>

<p>Methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-2,6-anhydro-3,5-dideoxy-D-glycero-D-galacto-non-2-enonate is a synthetic oligosaccharide that is used in the synthesis of glycosides. The carbohydrate has been modified to include fluorination and glycosylation. This product can be custom synthesized to meet your specifications.</p>

<p>1,2,3,4,6-Penta-O-acetyl-D-galactopyranose is an analog of the natural pentoses that binds to the mitochondrial membrane and inhibits the production of pro-inflammatory cytokines. This drug has been shown to inhibit the binding of lysophosphatidic acid (LPA) to its receptor by substituting for LPA in this binding site. 1,2,3,4,6-Penta-O-acetyl-D-galactopyranose also inhibits the expression of proinflammatory cytokines such as interleukin 6 (IL6) and IL1β in a dose dependent manner. This drug is also capable of inhibiting phosphotungstic acid from binding to a monolayer surface and can be used as a glycopolymer for cell culture. It has been shown that 1,2,3,4,6-Penta-O-acetyl</p>

<p>Glucose is a monosaccharide that is an important source of energy for the human body. It is a simple sugar found in many carbohydrates and is the main form of fuel used by the brain. Glucose is also used as a chemical building block for polysaccharides such as glycogen, cellulose, and chitin. The hypoglycemic effect of glucose can be observed when blood glucose levels are below 70 mg/dL. This effect can be due to its ability to increase the production of insulin or decrease the rate of gluconeogenesis in liver cells. It also has been shown to have an inhibitory effect on some viruses and bacteria, which may be due to its ability to inhibit transcription activators or polymerase chain reactions.</p>

<p>D-Glucosamine-3,4,6-tri-O-sulphate trisodium salt is a high purity and custom synthesis of D-glucosamine. It is a sugar with click modification and fluorination. It has CAS No. 157297-03-5 and it is synthesized from glycosylation, methylation, and modification. It has a molecular weight of 517.85 g/mol and the chemical formula C9H14N2O12S3NaO6. Glucosamine is an oligosaccharide that can be found in many complex carbohydrates such as chitin or cellulose.</p>

<p>Glucose Dehydrogenase is an enzyme, which is typically derived from microbial sources such as bacteria and fungi. It functions by catalyzing the oxidation of glucose to gluconolactone, concurrently reducing a cofactor such as NAD⁺ or PQQ. This biochemical reaction is critical in various analytical applications due to its specificity and efficiency in glucose detection.Glucose Dehydrogenase is widely employed in the development of biosensors and diagnostic assays. Its primary application is in blood glucose monitoring devices, where its ability to accurately quantify glucose levels is crucial for managing diabetes. Additionally, it is utilized in research and development settings for biochemical assays that require precise glucose measurements. The enzyme's rapid and specific action on glucose molecules makes it an indispensable tool in both clinical and laboratory environments, contributing to advancements in biosensing technologies and metabolic studies.</p>

<p>Blend of sucrose esters with fatty acid esters from coconut oil used in Cosmetic industry applications.</p>

<p>Phenethyl glucosinolate potassium salt is a compound found in plants belonging to the Brassicaceae family. It has been shown to be highly toxic to larvae of the cabbage butterfly and other insects that feed on brassica plants. Phenethyl glucosinolate potassium salt has been shown to inhibit the development of these insects, probably by inhibiting protein synthesis in the insect's gut. The major sulfur-containing compound in this product is gluconasturtiin, which has been shown to inhibit growth of pekinensis at high temperatures. This compound also inhibits radiation-induced DNA damage and does not show significant effects on nonsignificant organisms such as yeast and mold.</p>

<p>D-Arabinose-5-phosphate is an intermediate in the pentose phosphate pathway. It is synthesized from D-xylulose-5-phosphate by xylitol dehydrogenase. D-Arabinose-5-phosphate inhibits the enzyme xylitol dehydrogenase, which converts xylulose to d-xylulose, and thus prevents the formation of 5-hydroxyisoxazole phosphate, a precursor to the synthesis of NADPH. In this way, it blocks the synthesis of NADPH, which is essential for aerobic metabolism. This inhibition leads to a decrease in ATP production and consequently cell death.</p>

<p>Please enquire for more information about D-Glucoheptono-1,4-lactone including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>a-D-Glucoheptonic acid calcium salt hydrate is a modification of a glycosylation reaction that is typically used in the synthesis of oligosaccharides. The modification is called Click chemistry, and it occurs through a copper-catalyzed reaction between an azide and an alkyne. This type of modification can be used to produce complex carbohydrates by linking together different monosaccharides or polysaccharides. It is also used for the production of high-purity monosaccharides and polysaccharides with custom syntheses. The methylation, glycosylation, fluorination, and saccharide modifications are all variations on this process.</p>

<p>N-Acetylneuraminic acid hexamer disodium salt is a custom synthesis of a fluorinated, methylated and acetylated N-acetylneuraminic acid. This molecule is an oligosaccharide with three sugar rings. It has been modified by click chemistry and glycosylation to create a complex carbohydrate. The CAS number for this compound is 156587-48-2.</p>

<p>Please enquire for more information about 3'-methoxy apiin;Chrysoeiol-7-(2-O-apiosylglucoside) including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>3,6’-Disinapoyl sucrose is a saponin that has been shown to be neuroprotective and antidepressant. It is also able to increase the absorption of drugs in the gastrointestinal tract. 3,6’-Disinapoyl sucrose was found to have neurotrophic effects on neurons and inhibit glutamate-induced excitotoxicity. 3,6’-Disinapoyl sucrose has been shown to inhibit the mineralocorticoid receptor in vitro and may be useful as an antihypertensive agent. 3,6’-Disinapoyl sucrose can be used for clinical use in the treatment of depression and other neurological disorders such as Alzheimer's disease.</p>

<p>11a-Hydroxy progesterone b-D-glucuronide is a fluorinated steroid that is synthesized with high purity. It has been modified with methylation and glycosylation. 11a-Hydroxy progesterone b-D-glucuronide is a complex carbohydrate, which consists of saccharides in the form of oligosaccharides. The sugar in 11a-hydroxy progesterone b-D-glucuronide is a monosaccharide, which can be modified with fluorination or click chemistry to create a new compound. This product has CAS No. 77710-64-6 and can be custom synthesized to meet your specifications.</p>

<p>1-Deoxy-1-nitro-L-glucitol is a potent apoptosis-inducing compound that has shown promising results in cancer research. It is an analog of vanillin and nintedanib, two well-known cancer cell inhibitors. 1-Deoxy-1-nitro-L-glucitol has been shown to inhibit the activity of several kinases, including those involved in tumor growth and progression. In addition, it has been found to be effective against various types of cancer cells, including Chinese hamster ovary cells and human bladder cancer cells. This compound also exhibits synergistic effects with other anti-cancer drugs such as glimepiride and apomorphine. The presence of 1-Deoxy-1-nitro-L-glucitol in urine may serve as a potential biomarker for the diagnosis and monitoring of certain cancers.</p>

<p>D-Gluconic acid potassium salt is a glycol ether with biochemical properties that can be used to synthesize covalent linkages. It has been shown to have antimicrobial properties in wild-type strains of Escherichia coli and Salmonella typhimurium. D-Gluconic acid potassium salt has been shown to exhibit inhibitory effects on the synthesis of DNA, RNA, and protein, as well as enzyme activities. The matrix effect is an analytical method that measures the inhibition of bacterial growth in agar plates. Electrochemical impedance spectroscopy (EIS) is a technique that measures changes in electrical resistance when bacteria are placed on an electrode surface. This technique has been used to show that D-gluconic acid potassium salt exhibits inhibitory effects against group P2 enzymes, such as polymerase chain reaction (PCR), which is used for DNA replication and amplification.</p>

<p>Trehalose 6-octanoate is a modified form of trehalose that has been synthesized and fluorinated. It is a monosaccharide, which means it is one of the simplest forms of sugar. Trehalose 6-octanoate is an oligosaccharide, which means it is a sugar molecule made up of several smaller sugar molecules. This sugar can be modified to include methyl groups, making it a polysaccharide. Polysaccharides are complex carbohydrates that can often be found in plants or animals. Trehalose 6-octanoate is used in the modification of proteins and lipids for the production of pharmaceuticals and other products.</p>

<p>Tetragalacturonic acid (α-1,4 galacturonotetraose) is derived from pectin or pectic acid by enzymatic or partial acid hydrolysis (Combo, 2012). It is used in galacturonic acid metabolism research as a substrate to identify, differentiate, and characterize endo- and exopolygalacturonase(s), and gluconase(s) (Jayani, 2005). The addition of very short fragments of homogalacturonan, tri-galacturonate, and tetra-galacturonate oligosaccharides restores development in dark-grown, de-etiolated seedling mutants, suggesting that they are unable to generate de-methylesterified pectin fragments. A model of spatiotemporally separated photoreceptive and signal-responsive cell types has been proposed, that contains overlapping subsets of the regulatory network of light-dependent seedling development (Sinclair, 2017).</p>

<p>Core antigen fragment in ABO blood group system</p>

<p>N-Acetyl-D-glucosamine-3-6-di-O-sulfate sodium salt is a synthetic oligosaccharide. It is a fluorinated glycosylic acid glycosidase, an enzyme that catalyzes the hydrolysis of beta-(1,2)-glycosidic linkages in polysaccharides. This product can be custom synthesized to meet your specifications and can be modified with methylation or click modification for your specific needs.</p>

<p>2,5-Anhydro-D-glucitol-1,6-diphosphate is a cell signaling molecule that is involved in the regulation of glycolysis and the phosphofructokinase enzyme. It binds to platelets and regulates platelet aggregation. This enzyme has been shown to be a potential drug target for cancer. Cancer cells have been found to contain higher concentrations of 2,5-Anhydro-D-glucitol-1,6-diphosphate than their normal counterparts. The increased concentration of this enzyme in cancer cells is due to an allosteric change in the enzyme’s activity. The increased activity leads to a more rapid metabolism of glucose, which provides energy for tumor growth and metastasis. This enzyme can be used as a marker for malignancy in human diseases such as breast cancer or prostate cancer.</p>

<p>2-AB labeled core pentasaccharide found in most N-linked oligosaccharides.  Purified from the oligosaccharide pool released from bovine serum by hydrazinolysis using a combination of HPLC and glycosidase digestion.</p>

<p>Methyl 4-C-[[(methylsulfonyl)oxy]methyl]-3-O-benzyl-1,2-di-O-acetyl 5-methanesulfonate D-erythro-pentofuranose is a methylated saccharide used in the synthesis of LNA amidites</p>

<p>D-Gluconic acid sodium salt is a glycol ether that is used as an injection solution. It has been shown to have antibacterial efficacy against wild-type strains of bacteria such as Escherichia coli, Pseudomonas aeruginosa, and Staphylococcus aureus. The in vitro antimicrobial action of D-gluconic acid sodium salt was found to be due to its ability to inhibit bacterial growth by interfering with the synthesis of DNA. D-Gluconic acid sodium salt also has been shown to have antihypertensive effects in rats through the inhibition of angiotensin II type 1 receptor (AT1) signaling pathway and erythrocyte proliferation. This drug also has been shown to bind benzalkonium chloride and x-ray diffraction data show that it is crystalline in nature. The analytical method for determining the concentration of D-gluconic acid sodium salt is by electrochemical impedance</p>

<p>Mefenamic acid-acyl-b-D-glucuronide is a synthetic drug that binds to albumin and human serum albumin. It has been shown to irreversibly inhibit human UDP-glucuronosyltransferase, an enzyme in the human liver that catalyzes the addition of glucuronic acid to drugs and other xenobiotics. Mefenamic acid-acyl-b-D-glucuronide has also been shown to inhibit the activity of a wide range of enzymes in humans, including isoenzyme UGT1A6, which is found in the liver and kidney. This drug has been studied as a potential treatment for pain and inflammation in humans.</p>

<p>D-Fructose-1,6-diphosphate dibarium salt is a synthetic sugar that is used in the synthesis of oligosaccharides and polysaccharides. This compound can be custom synthesized to meet your specifications. D-Fructose-1,6-diphosphate dibarium salt has been shown to be soluble in water, ethanol, acetone, and chloroform. D-Fructose-1,6-diphosphate dibarium salt is a fluorinated carbohydrate with a purity of 99%. It can be modified with methylation or click modification for further applications.</p>

<p>Please enquire for more information about Glucosamine L-5-methyltetrahydrofolate including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>1,3,4,6-Tetra-O-acetyl-2-O-benzyl-a-D-mannopyranose (1) is a high purity monosaccharide that can be custom synthesized to meet the needs of your research. 1 is a synthetic compound that is fluorinated and glycosylated. It has been shown to be an efficient methylation and modification agent for saccharide synthesis. It also acts as a building block for oligosaccharides and complex carbohydrates.</p>

<p>Benzyl 2,3-O-isopropylidene-a-D-mannofuranoside is a fluorinated monosaccharide that is synthesized using glycosylation and polysaccharide modification. This product has a CAS number of 20689-03-6 and can be used for complex carbohydrate synthesis. It has been shown to have high purity.</p>

<p>2,5-Anhydro-1,3-O-isopropylidene-6-O-trityl-D-glucitol is a complex carbohydrate that is synthesized by the modification of glucose. This product has been modified with methylation and glycosylation.<br>2,5-Anhydro-1,3-O-isopropylidene-6-O-trityl--D--glucitol is a white powder that is soluble in water and ethanol. <br>It can be used for fluoroquinolone resistance studies, which are important for developing new antibiotics to combat bacterial infections.</p>

<p>Please enquire for more information about Mono-(6-(diethylenetriamine)-6-deoxy)-β-Cyclodextrin including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>3'-b-Sialyl-N-acetyllactosamine is an oligosaccharide that is synthesized from L-arabinose and 3'-phosphoadenosine 5'-phosphosulfate. It has a high degree of purity and is custom synthesized to order. The CAS number for this product is 210418-18-1.</p>

<p>3-Azido-3-deoxy-1,2-O-isopropylidene-a-D-ribofuranose is a synthetic carbohydrate that contains fluorine and is used as a glycosylation and methylation reagent. It has been shown to react with various saccharides, including glucose, maltose, lactose, sucrose, and cellobiose. In addition to its use in glycosylation reactions, 3-azido-3-deoxy-1,2-O-isopropylidene -a D ribofuranose can be used for click chemistry. This reagent is available in high purity and is synthesized from the natural sugar ribofuranose.</p>

<p>Irbesartan N-b-D-glucuronide is a complex carbohydrate that is a synthetic saccharide. It is an intermediate in the synthesis of irbesartan, which is an angiotensin II receptor antagonist. Irbesartan N-b-D-glucuronide has been shown to have antihypertensive properties, inhibiting the activity of the renin-angiotensin system and increasing blood flow to the kidneys. It also inhibits the growth of cancer cells. This compound can be custom synthesized for your specific needs and purities can be controlled to meet your specifications.</p>

<p>Building block for chemical modification of GlcU, including glucuronylation</p>

<p>Ferulic acid acyl-b-D-glucoside is a flavonoid compound that has been shown to have antioxidant properties. It is found in plants and can be synthesized by the enzyme phenylalanine ammonia-lyase. Ferulic acid acyl-b-D-glucoside is insoluble in water, but soluble in organic solvents such as ethanol and acetone. The chemical composition of ferulic acid acyl-b-D-glucoside is not well understood, but it has been shown to contain chalcone, chlorogenic acids, aldehydes, celosianin, and betanidin.</p>

<p>β-Estradiol 3-(β-D-glucuronide) 17-sulfate dipotassium is a synthetic, nonsteroidal estrogen with a high affinity for the human estrogen receptor. It is used in the treatment of various types of breast cancer and as hormone replacement therapy. β-Estradiol 3-(β-D-glucuronide) 17-sulfate dipotassium is a part of the drug class selective estrogen receptor modulators (SERMs). The compound has been shown to have antiestrogenic activity through its ability to compete with estradiol for binding to the estrogen receptor. This compound also has some antiandrogenic effects and can inhibit sex hormone binding globulin (SHBG), leading to increased levels of free testosterone in blood plasma.</p>

<p>Glucosylceramide (Glc-Cer) is the common precursor in the biosynthesis of most glycosphingolipids, with exception of some Gal-Cer derivatives, such as, GM4. Glucosylceramide consists of a glucosyl moiety which is β-O-glycosydically linked to ceramide, which itself, consists of the long-chain aminoalcohol sphingosine and a fatty acid. Glucosylceramide (also called glucocerebroside) is synthesised enzymatically, by the glucosylceramide synthase-catalysed with the addition of a glucose residue to ceramide. Glucosylceramide is involved in the regulation of various cellular events and also serves as a main constituent in liposome formulations.</p>

<p>Bacillithiol (BSH) is a low molecular weight thiol molecule produced in Bacilli, which is also found in Firmicutes bacteria. It plays an important role in maintaining the balance of reactive oxygen species within cells and detoxifying certain harmful compounds. It is the α-anomeric glycoside of L-cysteinyl-D-glucosamine with L-malic acid and it seems to have antioxidant properties. Bacillithiol plays an important role in bacterial redox homeostasis and plays an important role in the detoxification of electrophiles as it is a cofactor for FosB (thiol transferase). <br>This is the salt form (trifluoroacetic acid salt, TFA) of Bacillithiol.</p>

<p>Glucose 6-phosphatase substrate</p>

<p>This gamma-cyclodextrin (γ-CD) derivative is a modified cyclic oligosaccharide composed of eight glucose units, featuring a larger cavity size than α- and β-cyclodextrins. This structural characteristic allows γ-CDs to form inclusion complexes with a wider range of guest molecules, making it particularly versatile in various industries. In the food sector, it is used as a carrier and stabilizer for flavors, fat-soluble vitamins, and polyunsaturated fatty acids, protecting volatile compounds from evaporation. In pharmaceuticals, it enhances the solubility and bioavailability of poorly water-soluble drugs and, thanks to its larger ring size, allows for the encapsulation of larger molecules or even entire drug molecules. γ-CDs and derivatives are also used for environmental remediation and, in analytical chemistry, for the extraction and concentration of target substances.</p>

<p>Monofucosyllacto-N-hexaose II is a tetraol that is used as a reagent in the synthesis of enantioenriched and synthetically tetrasaccharidic products. Monofucosyllacto-N-hexaose II can be obtained by the reaction of Grignard reagents with glucose or by stereoselective reduction of an alpha, beta unsaturated ketone. The presence of the glucose residue in Monofucosyllacto-N-hexaose II makes it an acceptor for esterification reactions. This compound has chiral centers due to its two stereogenic centers at C2 and C3, which are both beta positions on the glucose residue. Monofucosyllacto-N-hexaose II also has a free hydroxyl group at C5 that can be esterified to produce chiral esters.</p>