Carbohydrates

Lipopolysaccharides, from E. coli O55:B5 (LPS, from Escherichia coli (O55:B5)) are endotoxins and TLR4 activators extracted from Escherichia coli (E. coli O55:B5) and are classified as S (smooth) type LPS. Lipopolysaccharides, from E. coli O55:B5 possess the typical three-part structure: O-antigen, core oligosaccharide, and lipid A. Lipopolysaccharides, from E. coli O55:B5 activate TLR-4 in immune cells, exhibit high pyrogenicity, and demonstrate dose and serotype specificity. Lipopolysaccharides, from E. coli O55:B5 can be widely used to induce cellular inflammation and establish animal models related to inflammation.
It is recommended to prepare a solution with concentration ≥2 mg/mL. Vortex thoroughly for more than 10 minutes. Due to the adsorption characteristics of LPS, silanized container or low adsorption centrifuge tubes should be used for aliquoting and storage, and mix thoroughly before use.

DL-Dithiothreitol (DTT) is a strong reductant with anti-disulfidptosis activity. When DL-Dithiothreitol is oxidized, it forms a stable six-membered ring with an internal disulfide bond.

IPTG is a molecular mimic of allolactose, a lactose metabolite that triggers transcription of the lac operon, and it is therefore used to induce protein expression where the gene is under the control of the lac operator.

Lipopolysaccharides, from E. coli O111:B4 (LPS, from Escherichia coli (O111:B4)) are endotoxins and TLR4 activators extracted from Escherichia coli (E. coli O111:B4) and are classified as S (smooth) type LPS. Lipopolysaccharides (LPS), from E. coli O111:B4 possess the typical three-part structure: O-antigen, R3-type core oligosaccharide, and lipid A. Lipopolysaccharides (LPS), from E. coli O111:B4 activate TLR-4 in immune cells and can cause significant gastric diseases. Lipopolysaccharides (LPS), from E. coli O111:B4 can be used to induce cellular inflammation and establish animal models related to inflammation.
It is recommended to prepare a solution with concentration ≥2 mg/mL. Vortex thoroughly for more than 10 minutes. Due to the adsorption characteristics of LPS, silanized container or low adsorption centrifuge tubes should be used for aliquoting and storage, and mix thoroughly before use.

Dextran sulfate sodium salt (DSS) (MW 5000) is a polymer of dehydrated glucose with a molecular weight of approximately 5000. Dextran sulfate sodium salt (DSS) with different molecular weights exhibits different biological activities. Dextran sulfate sodium salt (MW 5000) is an inhibitor of complement and coagulation pathways, and belongs to the glycosaminoglycans (GAG) family. Dextran sulfate sodium salt (MW 5000) acts as an anticoagulant, antiviral, and anti-lipemic agent. Dextran sulfate sodium salt (DSS) stops HIV-1 virus adsorption to host cells. Dextran sulfate sodium salt (MW 5000) prevents NK cell-mediated cytotoxicity. Dextran sulfate sodium salt (MW 5000) inhibits instant blood-mediated inflammatory reaction (IBMIR).

β-D-glucan is a natural non-digestible polysaccharide and high biocompatibility that can be selectively recognized by recognition receptors such as Dectin-1 and Toll-like receptors as well as being easily internalized by murine or human macrophages, which is likely to attribute to a target delivery. β-d-glucan is an enteric delivery vehicle for probiotics.

GDP-L-fucose disodium is a nucleotide sugar that is a key substrate for the biosynthesis of fucose oligosaccharides. GDP-L-fucose disodium provides the fucose moiety for the oligosaccharides. The formation of GDP-L-fucose disodium occurs through two pathways, the major de novo metabolic pathway and the minor remedial metabolic pathway.

L-Iditol is a biochemical reagent that can be used as a biological material or organic compound for life science related research.

4-Nitrophenyl-N-acetyl-β-D-glucosaminide, an artificial substrate of N-acetyl-beta-D-hexosaminidase (NAGase), can be used in rapid and accurate rate assay for N-acetyl-beta-D-hexosaminidase. 4-Nitrophenyl-N-acetyl-β-D-glucosaminide is highly soluble and stable. 4-Nitrophenyl-N-acetyl-β-D-glucosaminide can be used for the study of renal tubular injury.

Acetobromo-α-D-glucuronic acid methyl ester, 98% is a glucuronosyl donor. Acetobromo-α-D-glucuronic acid methyl ester, 98% is applicable to the synthesis of other compounds.

Zymosan A (Zymosan A from Saccharomyces cerevisiae) is a TLR2 agonist, that targeting TLRs can prevent and suppress IR-induced intestinal injury. Zymosan A exhibits a significant radioprotective effect, and protects IR-induced intestinal injury in mice. Zymosan A promotes the regeneration of intestinal stem cells (ISCs), after IR injury.

β-1,3-Glucan (β Glucan) is an orally active polysaccharide composed of glucose polymers. β-1,3-Glucan increase the activity of IKKβ kinase, enhances the production of nitric oxide. β-1,3-Glucan improves resistance to Vibrio harveyi infection. β-1,3-Glucan enhances immune response, promotes blood pressure recovery, reduces lung, kidney and liver damage, inhibits the growth of syngeneic tumors.

D-Glucan is an orally effective Dectin-1 receptor immune activator with antioxidant properties (reducing TNF-α). D-Glucan activates macrophages and neutrophils to scavenge free radicals, inhibit oxidative stress and inflammatory responses, and improve insulin sensitivity. D-Glucan promotes glycolysis by enhancing the activity of the antioxidant enzyme glutathione, inhibiting gluconeogenesis and activating GK. D-Glucan can be used in the research of liver damage protection (antagonizing Acetaminophen (HY-66005) toxicity), radiation protection (synergistic with vitamin E) and diabetes (improving glucose metabolism).

Lipopolysaccharides, from Klebsiella pneumoniae (LPS, from bacterial (Klebsiella pneumoniae)) are lipopolysaccharide endotoxins and TLR4 activators derived from Klebsiella pneumoniae, and are classified as S-type LPS. Lipopolysaccharides, from Klebsiella pneumoniae exhibit a typical three-part structure: O-antigen, core oligosaccharide, and lipid A. Lipopolysaccharides, from Klebsiella pneumoniae may participate in bacterial immune evasion by inhibiting complement-mediated killing and suppressing the host's secretion of antimicrobial peptides, thereby allowing the bacteria to escape immune defenses. Lipopolysaccharides, from Klebsiella pneumoniae possess high viscosity and resistance to serum-mediated killing, which may lead to sepsis. Lipopolysaccharides, from Klebsiella pneumoniae can be used to construct Acute Lung Injury Model.
It is recommended to prepare a solution with concentration ≥2 mg/mL. Vortex thoroughly for more than 10 minutes. Due to the adsorption characteristics of LPS, silanized container or low adsorption centrifuge tubes should be used for aliquoting and storage, and mix thoroughly before use.

Mannan is an orally active polysaccharide compound that binds to the mannose receptor (MR). Mannan promotes bacterial uptake and endosomal degradation by binding to MR, thereby enhancing the production of IL-12 in immune cells. Mannan enhances ROS production. Mannan modulates immunity, inhibits Aflatoxin B₁ (HY-N6615)-induced toxicity, and reduces lipid.

Chitin, from crab carapace (powder),biomedical research grade is a long-chain polymer of N-acetylglucosamine with β-(1-4) linkages. Chitin, from crab carapace (powder),biomedical research grade is found in the exoskeleton of crabs. Chitin, from crab carapace (powder),biomedical research grade inhibits the activation of NF-κB p65, alters the translocation of NF-κB p65 to the nucleus, and interacts with the cell wall of Candida species. Chitin, from crab carapace (powder),biomedical research grade exerts antifungal and anti-inflammatory effects. Chitin, from crab carapace (powder),biomedical research grade can be used in the research of gastric ulcer and candidiasis.

Polysachoride of astragalus mongholicus is an astragalus polysaccharide that can be isolated from Astragalus Mongholicus, exhibits antifibrotic activity.

N-Acetyl-D-galactosamine (GalNAc) is a terminal essential amino sugar derived from galactose and forms the antigens of blood group A in humans. N-Acetyl-D-galactosamine (GalNAc) interact with Soya bean agglutinin (SBA), hence decreasing the effects of SBA on cellular membrane permeability and tight junction protein expression in piglets. N-Acetyl-D-galactosamine (GalNAc) inhibits the hemagglutinating activity by the lectin.

Pullulan (Pullulan standard 5800) (Mw 362-480 kDa; Mn 100-200 kDa) is a class of orally active and water-soluble linear glucosic polysaccharide. Pullulan can be isolated from the polymorphic fungus Aureobasidium pullulans. Pullulan is composed of maltotriose repeating units linked by α-1,6 linkages and is an amorphous slime matter. Pullulan is widely used in food, environment, pharmaceutical, manufacturing, and electronics.

β-D-Glucose, also known as glucose, is a monosaccharide, the most important carbohydrate in biological systems, the main energy source of cells, and plays a key role in various metabolic processes. β-D-Glucose has unique chemical properties that make it an abundant component in plant and animal tissues and is readily metabolized by organisms to produce cellular energy. It is commonly used to improve hypoglycemia and dehydration, and as a sweetener and preservative in food and beverage production.