nitrogen

Yeast Nitrogen Base Medium is a specialized culture medium for yeast. The composition of 100 milliliters of the medium includes 6.7 g Yeast Nitrogen Base Medium and 5 g glucose or other sugars.

Yeast Nitrogen Base Medium without Amino Acids is suitable for culturing bacteria in genetic engineering applications.

(rac)-Isoleucine is a racemic mixture of Isoleucine diastereomers (L-isoleucine, L-alloisoleucine, D-isoleucine, D-alloisoleucine). L-Isoleucine, a branched-chain amino acid, functions in nitrogen donation, glucose/fatty acid metabolism, and immune regulation. L-Alloisoleucine derives from L-Isoleucine transamination.

Phenanthridine is a nitrogen-containing heterocyclic compound. Phenanthridine serves as the structural backbone of fluorescent dyes that bind to DNA, enabling visualization of nucleic acid positions post-electrophoresis, as seen with dyes like ethidium bromide and propidium iodide. Acridine is an isomer of Phenanthridine. Used in ecotoxicological studies. Employed in rotational spectroscopy and radio astronomy research. Functions as a dye in biological and chemical sensors.

D-(-)-Tartaric acid (D-Tartaric acid; (S, S)-tartarate; D-threaric acid) is mainly located in the cytoplasm. D-(-)-Tartaric acid can be converted into (2S,3S)-cis-fertaric acid and (2S,3S)-trans-fertaric acid. Outside the human body, it can be found in vinegar. This makes it a potential biomarker for the consumption of this food.

Citric Acid Triammonium (Triammonium citrate) is a metal chelating agent, acidity regulator, and buffer, widely applied in biochemical experiments and drug synthesis research.

5,6,7,8-Tetrahydroisoquinoline is a nitrogen-containing heterocyclic compound that can be used in biochemical experiments and drug synthesis research.

1-Ethyl-2-methyl-1H-imidazole is a nitrogen-containing heterocyclic compound, which can be used in biochemical experiments and drug synthesis research.

5-Methylquinoxaline is a nitrogen-containing heterocyclic compound widely used in biochemical experiments and drug synthesis research.

5-Methyl-2,3-cyclopentenopyrazine is a nitrogen-containing heterocyclic compound, widely used in biochemical experiments and drug synthesis research.

2-Methylindoline is a nitrogen-containing heterocyclic compound that can be used in biochemical experiments and drug synthesis research.

1-Methylpyrazole is a nitrogen-containing heterocyclic compound that can be used in biochemical experiments and drug synthesis research.

(4S)-N-(tert-butyldimethylsilyl)azetidin-2-one-4-carboxylic Acid is a chiral nitrogen-containing heterocyclic derivative primarily used as a pharmaceutical synthesis intermediate.

1,6-Naphthyridine is a diazanaphthalene isomer of the well-known aromatic hydrocarbon naphthalene, which is an aromatic organic compound consisting of two fused benzene rings. Diazanaphthalenes are defined by the naphthalene structure where two of the carbon atoms in the CH groups have been replaced by nitrogen atoms.

2-(3-methyl-1H-1,2,4-triazol-5-yl)aniline is a high-purity biochemical reagent that can be used as a specific probe to assist in the analysis of the biochemical mechanism of nitrogen-containing heterocyclic compounds for biochemical experiments and drug synthesis research.

C18-HSL is one of four lipophilic, long acyl side-chain-bearing N-acylated homoserine lactones (AHLs) produced by the LuxI AHL synthase homolog SinI, involved in quorum sensing signaling in S. meliloti, a nitrogen-fixing bacterial symbiont of the legume [M. sativa]. C18-HSL and other hydrophobic AHLs tend to localize in relatively lipophilic cellular environments and cannot diffuse freely through the cell membrane. These long-chain N-acylhomoserine lactones may be exported from cells by efflux pumps or transported between communicating cells via extracellular outer membrane vesicles. Quorum sensing, a regulatory system used by bacteria to control gene expression in response to cell density, manifests in phenotypes such as biofilm formation and virulence factor production. Coordinated gene expression is achieved through the production, release, and detection of small diffusible signal molecules called autoinducers, including AHLs, which vary in acyl group length (C4-C18), C3 substitution (hydrogen, hydroxyl, or oxo group), and the presence or absence of carbon-carbon double bonds, conferring signal specificity through LuxR family transcriptional regulators. Regulation of bacterial quorum sensing signaling to inhibit pathogenesis represents a novel approach to antimicrobial therapy in treating infectious diseases.

5-Methylisoindoline-1,3-dione (4-Methylphthalimide) is a nitrogen-containing heterocyclic compound widely used in biochemical experiments and drug synthesis research.

Hexacyclen is an analogue of 18-crown-6, exhibiting antagonistic and blocking effects on the extracellular calcium-sensing receptor with an EC50 of 20 μM. Possessing multiple secondary amine groups, Hexacyclen serves as an excellent electron donor and functions as a block copolymer.

2-Thio-6-azauridine is a modified nucleoside compound containing sulfur and nitrogen. It is often integrated into experimental systems as a specific substrate or reaction probe, and is suitable for various biochemical experimental scenarios such as nucleic acid metabolism analysis and enzyme activity detection. 2-Thio-6-azauridine is one of the commonly used basic reagents in nucleoside-related biochemical research.

N,N-Dimethyldodecanamide is an organic compound classified as an amide. It consists of a dodecyl chain connected to a nitrogen atom with two methyl groups, resulting in a white crystalline solid with a faint waxy odor. In industrial settings, N,N-Dimethyldodecanamide finds diverse uses, notably as a solvent, lubricant, and surfactant. It also serves as an intermediate in the synthesis of various chemicals and pharmaceuticals.

N-Methylethanamine hydrochloride is an amine compound commonly used as an amine source or as a precursor for the synthesis of other nitrogen-containing compounds in organic synthesis.

Myeloperoxidase, human white blood cells (MPO), is a peroxidase enzyme. It modulates oxidative stress by promoting the production of reactive oxygen species (ROS) and reactive nitrogen species (RNS), influencing the polarization of microglia and neutrophils and regulating inflammation-related signaling pathways. Myeloperoxidase, human white blood cells also exhibits antibacterial activity.

Kalibor (Sodium tetraphenylborate; Tetraphenylboron sodium) serves as an analytical reagent, utilized for its precipitating properties in the gravimetric analysis of monovalent cations, including metal cations and basic organic nitrogen compounds.

Dragendorff reagent can detect alkaloids and other nitrogen-containing compounds. It is a bismuth potassium iodide solution composed of basic bismuth nitrate (Bi(NO3)3), tartaric acid , and potassium iodide (KI). When Dragendorff reagent comes into contact with alkaloids, it forms an orange or orangish-red precipitate.