Escherichia Coli Infection

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.

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.

HOAT is a peptide bond-forming reagent. HOAT is utilized to affect formation of peptide bonds by coupling carboxylic acids with amines. HOAt is not mutagenic in the bacterial reverse mutation test.

Oil Red O is a fat-soluble diazol dye, with a maximum absorption at 518 nm. Oil Red O stains neutral lipids and cholesteryl esters but not biological membranes. Oil Red O can be used for detecting and quantifying hepatic steatosis in mouse liver biopsies. Oil Red O staining efficiently helps to visualize the radical changes that occur in tissues as metabolic disease occurs and progresses.

AMXT-1501 tetrahydrochloride is a Bacterial agent and polyamine transport system inhibitor. AMXT-1501 tetrahydrochloride targets membrane phospholipids and exhibits antibacterial activity against a variety of Gram-positive and Gram-negative multidrug-resistant bacteria. AMXT-1501 tetrahydrochloride inhibits capsular biosynthesis in Streptococcus pneumoniae. AMXT-1501 tetrahydrochloride targets ornithine decarboxylase and polyamines to inhibit the proliferation of neuroblastoma cells. AMXT-1501 tetrahydrochloride in combination with DFMO (HY-B0744) induces Apoptosis in neuroblastoma cells. AMXT-1501 tetrahydrochloride is applicable to research related to multidrug-resistant bacterial infections, pneumococcal infections, Streptococcus pneumoniae infections, and neuroblastoma.

AMXT-1501 is a Bacterial agent and polyamine transport system inhibitor. AMXT-1501 targets membrane phospholipids and exhibits antibacterial activity against a variety of Gram-positive and Gram-negative multidrug-resistant bacteria. AMXT-1501 inhibits capsular biosynthesis in Streptococcus pneumoniae. AMXT-1501 targets ornithine decarboxylase and polyamines to inhibit the proliferation of neuroblastoma cells. AMXT-1501 in combination with DFMO (HY-B0744) induces Apoptosis in neuroblastoma cells. AMXT-1501 is applicable to research related to multidrug-resistant bacterial infections, pneumococcal infections, Streptococcus pneumoniae infections, and neuroblastoma.

Lawsone is an orally active naphthoquinone dye that can be isolated from the leaves of Lawsonia inermis. Lawsone can induce apoptosis. Lawsone has antibacterial, antitumor and antioxidant activities. Lawsone can be used in anti-tumor drug research.

SF2312 is a phosphonate Antibiotic and Enolase inhibitor, with an IC₅₀ of 18.4 nM against E. coli enolase. SF2312 reduces intracellular ATP levels and inhibits glycolytic flux. SF2312 exhibits activity against both Gram-positive and Gram-negative bacteria, and exerts synergistic effects against E. coli when combined with Fosfomycin (HY-B1075A). SF2312 shows selective toxicity toward gliomas with ENO1 gene knockout. SF2312 can be used in research related to bacterial infections and gliomas.

2-Hydroxyphenylacetic acid is a metabolite of Phenylalanine and Tyrosine, as well as a product of the biotransformation of Phenylacetonitrile by marine fungi. 2-Hydroxyphenylacetic acid acts as a potential biomarker for food. 2-Hydroxyphenylacetic acid slightly induces the expression of green fluorescent protein. 2-Hydroxyphenylacetic acid is used in the research of phenylketonuria and related hyperphenylalaninemia.

TMB is a non-toxic, non-mutagenic, colorless dye that is also used as a chromogenic agent in enzyme detection systems based on horseradish peroxidase (HRP). TMB can function as a photoacoustic probe for reactive oxygen and nitrogen species (ROS/RNS), reacting with hypochlorite, hydrogen peroxide, singlet oxygen, and nitrogen dioxide to produce blue oxidation products. TMB can detect the singlet oxygen produced by the outer membrane of Escherichia coli ATCC 25922.

Triclosan is a broad-spectrum antibacterial agent that inhibits bacterial fatty acid synthesis at the enoyl-acyl carrier protein reductase (FabI) step. Triclosan inhibits E. coli enoyl-acyl carrier protein reductase (FabI) and FabI containing a glycine-to-valine substitution at position 93 (FabIG93V) with IC₅₀s of 2 µM and 10 µM, respectively. Triclosan causes apoptotic effect in cultured rat neural stem cells (NSC). Triclosan exacerbates colitis and colitis-associated colorectal tumorigenesis in animal models.

6-FAM (6-Carboxyfluorescein) is an isomer of carboxyfluorescein and is mainly used for sequencing and labeling of nucleic acids.

5-Bromo-3-indolyl β-D-galactopyranoside (Bluo-Gal) is a chromogenic substrate for β-galactosidase. 5-Bromo-3-indolyl β-D-galactopyranoside is hydrolyzed by the enzyme to generate a 5-bromoindole intermediate, which is further oxidized to form an insoluble blue precipitate. 5-Bromo-3-indolyl β-D-galactopyranoside can specifically recognize bacterial β-galactosidases (such as the product of the Escherichia coli lacZ gene) and reacts at pH 7.4, making it suitable for light and electron microscopic observations. 5-Bromo-3-indolyl β-D-galactopyranoside can be used in histochemical detection of reporter gene expression in transgenic organisms, such as the localization analysis of β-galactosidase activity in mouse embryos or muscle tissues.

Lolamicin is an orally effective inhibitor that specifically targets the Gram-negative bacteria lipoprotein transport system LolCDE complex. It selectively inhibits the transmembrane transport of outer membrane lipoproteins by competitively binding to lipoprotein binding sites. Lolamicin destroys the integrity of the bacterial outer membrane, leading to cell death, and has both bactericidal and antibacterial activity. It has significant effects on multidrug-resistant Enterobacteriaceae pathogens (such as Escherichia coli and Klebsiella pneumoniae). Lolamicin can be used to inhibit the study of acute pneumonia, sepsis and other infections caused by Gram-negative bacteria.

Dimethyl phthalate (DMP) can be used as a plasticizer to impart flexibility to rigid polyvinyl chloride (PVC) resin. Additionally, Dimethyl phthalate is an oral active endocrine disruptor that can cause ovarian dysfunction in mice. Dimethyl phthalate can also induce oxidative stress and apoptosis in cells, thereby affecting blood and red blood cell function in rats.

Caryophyllene oxide ((-)-Caryophyllene oxide) is a bicyclic sesquiterpene with anticancer effects. Caryophyllene oxide induces apoptosis of PC-3 cells. Caryophyllene oxide shows analgesic and anti-inflammatory activities. Caryophyllene oxide has insecticidal, antioxidant, antimicrobial, antifungal, and antiparasitic properties.

L-Isoleucine (Standard) is the analytical standard of L-Isoleucine. This product is intended for research and analytical applications. L-Isoleucine is an orally active branched chain amino acid, which is the L-enantiomer of isoleucine. L-Isoleucine has a role as a Saccharomyces cerevisiae metabolite, an Escherichia coli metabolite, a plant metabolite, a human metabolite, an algal metabolite and a mouse metabolite. L-Isoleucine regulates the inflammatory response to protect against pathogens in vivo and in vitro.

Taq DNA polymerase is a thermostable DNA polymerase that can be used in PCR.

SMT-738 is a bacterial bactericide. SMT-738 targets the small molecules responsible for lipoprotein transport in Enterobacteriaceae, causing abnormal lipoprotein localization and bacterial cell death. SMT-738 inhibits the growth of E. coli and K. pneumoniae. SMT-738 reduces bacterial loads in mouse models of urinary tract infection, bloodstream infection, and pulmonary infection caused by Enterobacterales. SMT-738 can be used in the research of Enterobacteriaceae infections, urinary tract infections, bloodstream infections, and pneumonia.

N-β-alanyldopamine hydrochloride (NBAD hydrochloride) is a tyrosine metabolite, Antibacterial agent and Antifungal agent. N-β-alanyldopamine hydrochloride exists in the hemolymph and cuticle during pupal cuticle tanning of the tobacco hornworm (Manduca sexta). N-β-alanyldopamine hydrochloride is the preferred substrate for pupal cuticular o-Diphenol oxidase during insect pupal cuticle tanning. N-β-alanyldopamine hydrochloride inhibits the growth of Escherichia coli, Bacillus megaterium and Saccharomyces cerevisiae in vitro. N-β-alanyldopamine hydrochloride can be used in studies related to microbial infections.