4 results about "Nitrofurantoin" patented technology

The invention discloses a zinc-orotic acid complex crystal material as well as a preparation method and fluorescent recognition application thereof. The chemical formula of the complex is [Zn2 (HOA) 2 (1, 3-dpp) (H2O) 2] n, and the complex has a 2-heavy interspersed two-dimensional network structure. The preparation method comprises the following steps: respectively preparing orotic acid, potassium hydroxide and zinc acetate into solutions, mixing the solutions with 1, 3-bis (4-pyridyl) propane and water, and carrying out ultrasonic treatment and heating treatment to obtain the crystal. The material has characteristic fluorescence emission at 370 nm, the intensity of the material can be obviously changed when encountering a specific substance, and the material can be used as a fluorescence sensing material to identify solvents such as methanol, DMSO, water and the like, specifically detect Fe < 3 + > ions, identify antibiotics dimethylaminotetracycline hydrochloride, furacilin and nitrofurantoin, identify a drug curcumin, and can be used as a fluorescent sensing material. And identifying food additives potassium sorbate and sodium benzoate.

This invention discloses a zinc-orotic acid complex crystal material, its preparation method, and its fluorescence recognition application. The chemical formula of the complex is [Zn2(HOA)2(1,3-dpp)(H2O)2]. n It possesses a two-dimensional, double-interlaced network structure. Its preparation method involves preparing solutions of orotic acid, potassium hydroxide, and zinc acetate, mixing them with 1,3-bis(4-pyridyl)propane and water, and then subjecting the mixture to ultrasonic and heat treatment to obtain crystals. This material exhibits characteristic fluorescence emission at 370 nm, the intensity of which changes significantly upon contact with specific substances. This property can be utilized as a fluorescent sensing material to identify solvents such as methanol, DMSO, and water, and to specifically detect Fe. 3+ Ions that can identify antibiotics such as dimethylaminetetracycline hydrochloride, nitrofurazone, and nitrofurantoin; drugs such as curcumin; and food additives such as potassium sorbate and sodium benzoate.

This invention discloses a three-dimensional fluorescent covalent organic framework, its preparation method, and its application. A three-dimensional covalent organic framework with an fjh topological network structure is synthesized by a solvothermal method using a four-site pyrene amino monomer and a three-site aldehyde monomer. This covalent organic framework exhibits excellent fluorescence performance in solution and shows sensitive response and specific detection of nitrofurantoin.

The application belongs to the technical field of metal organic coordination compounds, and particularly relates to a copper metal complex and a preparation method and application thereof. The chemical formula of the copper metal complex disclosed by the application is [Cu2(NPTH)2(4,4'-BMIBP)2(H2O)4·6H2O] n wherein H2NPTH=3-nitrophthalic acid, and 4,4'-BMIBP=4,4'-bis(2-methylimidazolyl) biphenyl. The application can obtain a single crystal form, high-purity crystal material, and is easy to be industrially produced. The product has a fluorescence recognition function on nitrofurantoin, can be used for detection of nitrofurantoin in an aqueous solution, and can photocatalytically degrade methylene fuel. Compared with a traditional detection and degradation method, the method has the advantages of qualitative, rapid, sensitive, efficient, simple operation and the like.