213 results about "Phenazine" patented technology

The invention discloses an environment-friendly flame-retardant polyester yarn and a preparation method thereof, and relates to the technical field of textile, and the environment-friendly flame-retardant polyester yarn is prepared from the following raw materials in parts by weight: 100 parts of polyester chips, 10-15 parts of a flame-retardant polymer containing an organic salt structure, 1-3 parts of an antioxidant, 0.8-2 parts of a lubricant, 1-2 parts of benzotriazole sodium and 0.8-1.2 parts of quinoline yellow. The flame-retardant polymer containing the organic salt structure comprises a structural unit introduced by the following monomers: bis (3-aminophenyl) (3, 5-bis (trifluoromethyl) phenyl) phosphine oxide, 3, 7-diamino-5-phenylphenazine chloride and 3, 5-isoxazole dicarboxylic acid. The environment-friendly flame-retardant polyester yarn is good in ultraviolet aging resistance and flame retardance, high in strength and sufficient in softness.

The invention discloses an ultra-narrow band gap electron acceptor which is represented by a formula (I) and takes a phenazine structure as a core, a preparation method of the electron acceptor and application of the electron acceptor in an organic solar cell. The phenazine derivative ultra-narrow band gap receptor provided by the invention has an extremely low film optical band gap (-1.2 eV). The organic solar cell prepared by matching with a narrow-band gap polymer donor PTB7-Th as an active layer has high energy conversion efficiency and short-circuit current. In addition, the transparent organic solar cell prepared from the active layer obtains higher energy conversion efficiency on the premise of maintaining higher average visible light transmittance. The phenazine derivative ultra-narrow band gap receptor prepared by the invention has a huge application prospect in the field of transparent organic solar cells. # imgabs0 #

The invention relates to the technical field of fertilizers, and particularly discloses a bacterial strain capable of reducing the function of vomitoxin of wheat and corn and application of the bacterial strain, the bacterial strain capable of reducing the function of vomitoxin of wheat and corn is applied to preparation of a fertilizer, 10%-90% of bacillus velezensis XNYF-1 fermentation liquor (A liquor) and 10%-90% of pseudomonas fluorescens XNYF-2 fermentation liquor (B liquor) are mixed to prepare AB mother liquor, and the AB mother liquor is used for preparing the fertilizer. The XNYF-1 and the XNYF-2 are two functional microbial strains which are subjected to screening mutagenesis and can be used for producing chitinase, iturin, various phenazine derivatives and biological surfactin respectively, and the XNYF-1 and the XNYF-2 can be used for producing the chitinase, the iturin, the various phenazine derivatives and the biological surfactin respectively. And the metabolite has a good biocontrol effect.

The invention discloses an alkali-soluble dihydroquinoline phenazine organic active substance, an electrolyte containing the same and an application of the electrolyte, the alkali-soluble dihydroquinoline phenazine organic active substance has a molecular structural formula shown in a formula (I), in the molecular structural formula, R1, R2, R3, R4, R5, R6, R7 and R8 are respectively and independently selected from-H,-OH,-COOH,-SO3H,-Ar,-PO3H,-OCxH2xCOOH,-OCyH2ySO3H and-OCzH2zPO3H, and at least one alkali-soluble group is contained. The active material has the advantage of multi-electron transfer, can accumulatively transfer 4 equivalent electrons, and has the potential of constructing a high-energy-density flow battery.

The invention provides a phenazine-quinoxaline organic electrode material, and belongs to the technical field of aqueous zinc ion battery electrode materials, and the phenazine-quinoxaline organic electrode material is synthesized from 2, 3-diaminophenazine and 2, 5-dihydroxy-1, 4-benzophenone through a dehydration condensation reaction. The organic electrode material can be used for manufacturing a positive electrode of an aqueous zinc ion battery, and shows relatively high reversible specific capacity, relatively long cycle life, relatively good rate capability and relatively good wide temperature range performance. The invention also provides an application of the phenazine-quinoxaline organic electrode material in preparation of an aqueous zinc ion battery.

The invention discloses a conjugated poly (aryl-piperidine-phenazine) anion exchange membrane for a fuel cell and a preparation method of the conjugated poly (aryl-piperidine-phenazine) anion exchange membrane. Wherein the diaphragm is obtained by carrying out polycondensation on p-terphenyl, phenazine and N-methyl piperidone and then carrying out quaternization. Wherein the ratio of the total mass of the p-terphenyl and the phenazine to the N-methylpiperidone is 1: 1.1. Conjugated monomers are introduced into a polymer skeleton, so that an inter-membrane ion transmission channel is widened, ion transmission is accelerated, and the conductivity of the membrane is improved. The delocalized pi bond structure of phenazine forms compact pi-pi structure accumulation in the polymer membrane, so that the alkali resistance and dimensional stability of the anion exchange membrane are improved. Experimental results show that the OH <-> conductivity of the anion exchange membrane at 80 DEG C is 57.32 mS cm <-1 >-138.04 mS cm <-1 >, and the thickness of the membrane is 22-30 m. And the peak power density can reach 1.06 W cm <-2 >.

The invention discloses a phenazine covalent organic framework / carbon nanotube composite material as well as a preparation method and application thereof, and relates to the technical field of phenazine covalent organic framework composite materials and lithium ion batteries. The preparation method comprises the following steps: firstly, uniformly dispersing carbon nanotubes in a reaction organic solvent, and by taking the liquid-phase dispersed carbon nanotubes as nucleation sites, respectively carrying out dehydration condensation reaction on cyclohexanehexone and different primary amines to form phenazine bonds, thereby realizing in-situ growth of covalent organic frameworks (COFs) in the carbon nanotubes; the phenazine covalent organic framework (P-COFs) coated carbon nanotube composite material is obtained. The composite material solves the problems of poor conductivity and low active site utilization rate of a covalent organic framework material, and has high specific capacity, good rate capability and excellent cycle performance as a lithium ion battery electrode material.

The invention discloses a phenazine-based electrochemical electrode material as well as a preparation method and application thereof. The phenazine-based electrochemical electrode material is an organic small molecule material or an organic polymer which contains nitrogen, has a conjugated structure and can be subjected to electrochemical oxidation-reduction reaction. The phenazine-based electrochemical electrode material disclosed by the invention can be applied to selective separation and extraction of ions, can be used for selective extraction and separation of target ions in a multi-ion complex solution, and can be used for extracting valuable element ions step by step at high performance; the extraction method has the advantages of high ion extraction capacity, low cost, simple process and high element separation and extraction efficiency, is environment-friendly, can realize efficient development and comprehensive utilization in the fields of salt lake resources, marine resources, industrial sewage and wastewater recycling, seawater desalination and the like, and has a better industrialization prospect.

The invention provides a diaphragm and a secondary battery, and belongs to the technical field of secondary batteries, and the diaphragm comprises a base membrane and a coating. Wherein the coating is arranged on one surface, facing the positive pole piece, of the base film, and the coating comprises an electroactive material and a binder; the electroactive material comprises at least one of a quinone derivative, a phenazine derivative, an imide derivative and a phenothiazine derivative. The electroactive material in the diaphragm coating can be dissolved in the electrolyte after the environment temperature reaches the thermal safety critical temperature, and reacts with the positive and negative active materials, so that the charge state of the battery is quickly reduced, and the thermal runaway of the battery is inhibited or even avoided.

Provided herein are phenazine degrading agents, methods and systems for interfering with viability of bacteria and related antimicrobial and compositions.

The invention discloses application of phenazine-1-carboxylic acid or medicinal salt thereof in preparation of drugs for inhibiting African swine fever virus. According to the invention, a double-report virus rASFV-Glucc / EGFP for co-expressing green fluorescent protein and Gaussian luciferase is used, and screening from 246 natural small molecule compounds finds that phenazine-1-carboxylic acid has a remarkable inhibition effect on the replication of ASFV; the inhibition effect of the PCA is further evaluated, and it is found that the half maximum cytotoxicity concentration of the PCA to primary porcine alveolar macrophages of target cells is 470.5 mu M, and the half maximum inhibition concentration of the PCA to ASFV in PAMs is 1.59 mu M. According to a dose-dependent inhibition experiment result, when the PCA concentration is 25 [mu] M, the ASFV inhibition effect can reach 100 times or more. The invention has application prospects in preparation of anti-ASFV drugs or preparations and the like.

The invention belongs to the technical field of organic photoelectric materials, and particularly relates to preparation and application of an indolo-indole quinoxaline phenazine MR-TADF blue light material. The material has a rigid large-plane skeleton and is modified by a plurality of chemical sites, and efficient and narrow-spectrum blue light emission of the material can be realized by simply regulating and controlling a peripheral hooking group. The blue-light-doped electroluminescent device prepared by the method has the advantages that the blue-light-doped electroluminescent device prepared by the aid of the method has the advantages that the blue-light-doped electroluminescent device prepared by the aid of the method is high in light emitting efficiency, the thermal decomposition temperature can reach 426.1 DEG C, the blue-light-doped electroluminescent device is excellent in thermal stability, the maximum photoluminescence emission peak in methylbenzene solution is 458 nm, the half-peak width of the blue-light-doped electroluminescent device is 40 nm, the fluorescence quantum efficiency of the blue-light-doped electroluminescent device is 78.2%, the maximum emission peak of the obtained blue-light-doped electroluminescent device is 468 nm, color coordinates of the blue-light-doped electroluminescent device are (0.15 and 0.25), and the corresponding maximum external quantum efficiency The MR-TADF blue light-emitting material with an innovative structure and multiple expandability has an attractive application prospect. # imgabs0 #

The present application discloses a lithium extraction agent and extraction method for lithium mother liquor. The lithium extraction agent includes a solute and an organic solvent, the solute includes at least one of 2,3,7,8-tetraaminophenazine-1,4,6,9-tetraketone and terpyridine, and the organic solvent includes at least one of dichloromethane, chloroform, carbon tetrachloride, bromobenzene, and carbon disulfide. The lithium extraction agent of the present application can be used to extract lithium in a lithium mother liquor with a wide pH range. After entering the lithium extraction agent, the lithium ions are quickly complexed with the solute in the lithium extraction agent to form a solid phase. It is only necessary to stand the extracted mixed solution A for phase separation. Lithium is present in the lithium-containing solid complex of the lower oil phase. The lower oil phase can be filtered to obtain the lithium-containing solid complex, and the residual amount of sodium in the lithium-containing solid complex is small. In addition, the extraction method of the present application can omit the washing and stripping sections of the rear end of the traditional extraction process, greatly shortening the extraction process and saving production costs.

The invention discloses an electromagnetic shielding film and a preparation method thereof, and relates to the technical field of electromagnetic shielding, the electromagnetic shielding film is prepared from the following raw materials by weight: 70-80 parts of a functional polymer, 15-20 parts of a conductive filler, 1-3 parts of a coupling agent, 0.8-1 part of an antioxidant, 0.5-0.8 part of a slip agent, and 3-5 parts of 2-acrylamido-2-methylpropanesulfonic acid; the functional polymer is prepared from 3, 7-diamino-5-phenyl phenazine chloride and N-(4H-1, 2, 4-triazole-4-yl) diphenylamine-4, 4 '-dicarboxylic acid through a condensation polymerization reaction, and the functional polymer is a polymer with a molecular weight of 2,000-3,000 and a molecular weight of 2,000-3,000. The electromagnetic shielding film is sufficient in electromagnetic shielding performance, good in bending resistance and excellent in tensile strength, chemical stability and high and low temperature resistance.

The present application relates to the technical field of soil remediation, and discloses a composite microbial inoculum for activating reverse conversion of oxidized iron in dry land soil and application thereof.The composite microbial inoculum comprises aerobic iron-reducing bacteria and phenazine electron shuttles.The present application mediates the aerobic iron-reducing process of the aerobic iron-reducing bacteria strain through the phenazine electron shuttles, significantly improves the electron transfer efficiency, enhances the iron-reducing capacity, and can efficiently generate high-activity weak-crystalline iron oxide under aerobic conditions, thereby breaking through the limitation of traditional iron reduction relying on anaerobic environment;by promoting the reverse conversion of high-crystalline oxidized iron to weak-crystalline oxidized iron, the mineral interface activity is improved, the fixation capacity for Cd, Pb, As and other multi-metals in dry land soil is significantly enhanced, the biological availability thereof is reduced, the biological toxicity and migration risk thereof are greatly weakened, the remediation process is stable, the risk of secondary pollution is low, and the present application has good application prospect and popularization value in the field of heavy metal contaminated soil remediation.

The present invention provides a method for detecting ClO by fluorescence and ultraviolet. ‑ When the anion ClO is added to the pure aqueous solution of PY, ‑ , AcO ‑ ,H2AsO4 ‑ ,Br ‑ ,F ‑ ,Cl ‑ ,ClO4 ‑ ,CN ‑ ,H2PO4 ‑ ,HSO4 ‑ ,N3 ‑ ,NO3 ‑ ,NO2 ‑ ,OH ‑ ,SCN ‑ ,P2O7 2‑ When ClO ‑ It will cause significant quenching of the fluorescence emission spectrum and red shift of the UV absorption spectrum. However, the addition of other anions has no effect on the fluorescence and UV absorption of the phenazine derivative PY solution. It also shows good selectivity and anti-interference ability. At the same time, through fluorescence and UV titration experiments, it was found that ClO ‑ There is a good linear relationship between the concentration and fluorescence intensity, and the minimum fluorescence detection limit is calculated to be 5.59×10 ‑8 The minimum detection limit of M and UV is 5.84×10 ‑7 M. Finally, we made it into a test strip for semi-quantitative detection of ClO ‑ This recognition and detection performance has important application value in the field of ion recognition.

The application discloses a use of phenazine-1-carboxylic acid or a pharmaceutically acceptable salt thereof in preparation of a medicine for inhibiting African swine fever virus. The application uses a double reporter virus rASFV-Gluc / EGFP co-expressing green fluorescent protein and Gaussia luciferase to screen 246 natural small molecule compounds, and finds that phenazine-1-carboxylic acid has a significant inhibiting effect on replication of the ASFV; further evaluation of the inhibiting effect finds that the half maximal cytotoxicity concentration of PCA on target cells of primary porcine alveolar macrophages is 470.5 muM, and the half maximal inhibitory concentration of PCA on the ASFV in PAMs is 1.59 muM. According to a dose-dependent inhibiting experiment result, when the concentration of PCA is 25 muM, the inhibiting effect on the ASFV can reach more than 100 times. The application has application prospects in preparation of medicines or preparations against the ASFV.

The present invention relates to electrolyte compositions comprising distinct redox-active compounds, namely, a redox-active compound, which is phenazine or a phenazine derivative, and a distinct redox-active compound, which is not phenazine or a phenazine derivative. The present invention also relates to the use of such electrolyte compositions as redox flow battery electrolytes. Accordingly, the invention further provides a redox flow battery comprising said compositions.

This invention discloses a method for the biosynthesis and application of fluorinated phenazine and its derivatives, belonging to the field of bioengineering technology. The invention aims to provide a method for synthesizing fluorinated phenazine and its derivatives. Specifically, it provides an in vitro enzyme cascade catalytic reaction method for synthesizing fluorinated phenazine and its derivatives, in which halogenated methyltransferase HMT1 and O-methyltransferase LaphzM, or halogenated methyltransferase HMT1 and N-methyltransferase PhzM, are added to a reaction buffer containing 1-hydroxyphenazine and its derivatives to obtain fluorinated phenazine and its derivatives. The enzyme concentrations of halogenated methyltransferase HMT1 and O-methyltransferase LaphzM are 2:1; the enzyme concentrations of halogenated methyltransferase HMT1 and N-methyltransferase PhzM are 2:1. This establishes a pathway for the synthesis of fluorinated phenazine from 1-hydroxyphenazine and its derivatives, providing a new approach for the biosynthesis of fluorinated phenazine.

The invention discloses a photo-assisted self-charging battery based on a phenazine positive electrode material and a preparation method of the photo-assisted self-charging battery, and belongs to the technical field of aqueous zinc batteries, a phenazine organic matter electrode with electrochemical activity and photo-response activity is used as a zinc ion storage material, and in a safe and environment-friendly aqueous electrolyte, the photo-assisted self-charging battery is prepared. The self-charging process of the organic matter electrode is realized under the photo-assisted condition by utilizing the electron hole transmission characteristic of the nitrogen-containing hybrid organic matter, and the discharge product of the phenazine organic matter electrode absorbs photons to generate electron hole pairs under the photo-assisted effect under the condition of no external power supply through the photo-assisted effect of solar energy, so that the nitrogen-containing hybrid organic matter is charged. Then, holes are diffused to the hole transport layer, electrons are injected into the electron transport layer to form voltage, and the self-charging dezincification process of the electrode is achieved by means of charge / carrier separation.

The invention relates to the technical field of medicines, relates to a phenazine statin compound as well as a preparation method and application thereof, and in particular relates to a phenazine statin compound as well as a preparation method and application thereof. The invention provides a phenazine statin compound as shown in a general formula I, II or III or pharmaceutically acceptable salt thereof, and R1, R2, R3 and R4 are described in the claims and the specification. The compound provided by the invention has obvious anti-tumor or antibacterial activity. # imgabs0 #

The invention belongs to the field of organic synthesis, and particularly relates to a synthetic method of a diaryl methane compound. A toluene derivative as shown in a formula 1, an aryl iodide as shown in a formula 2 and a styrene derivative as shown in a formula 3 are subjected to a reaction in the presence of a catalytic amount of PdCl2 (dppf) and 4, 6-di (diphenylphosphine) phenazine and an equivalent amount of LiN (SiMe3) 2 and CsF to synthesize the diaryl methane compound as shown in a formula 4. The coupling reaction of the toluene derivative, the aryl iodide and the styrene derivative is realized by adopting a catalytic amount of PdCl2 (dppf), and the palladium catalyst shows obvious catalytic performance.

The invention belongs to the field of metal ion battery material synthesis, and particularly provides a sulfur-doped oxygen-nitrogen-enriched conjugated organic material and application thereof in Li < + > / Zn < 2 + > ion batteries. The preparation method comprises the following steps: firstly, preparing 2, 3, 8, 9, 14, 15-hexachlorodiquinoline [2, 3-a: 2 ', 3'-c] phenazine (HANT-Cl) by taking cyclohexanehexone and dichlorobenzene diamine as raw materials, and then synthesizing 6S6O and the derivative thereof by taking HATN-Cl, sodium sulfide nonahydrate and a naphthoquinone derivative as raw materials. The obtained electrode material contains a plurality of oxidation-reduction active sites, multi-electron storage can be carried out, the transfer rate of electrons is improved through the large pi conjugated structure of the conjugated quinoneazine material, and therefore the high theoretical specific capacity and the excellent rate performance are achieved. Due to the addition of the sulfur element, the oxidation-reduction potential of the material is improved, the energy density of a battery can be improved, and the material has a wide application prospect in a Li < + > / Zn < 2 + > ion battery system.

The application provides an organic negative electrode and a metal-air battery, the organic negative electrode comprises an organic matter with a low redox potential, the organic matter with the low redox potential comprises phenazine, diquinoxaline phenazine, a nitrogen heterocyclic ring, a carboxylate or an azo compound, the organic matter in the organic negative electrode is corrosion resistant and the redox potential can be adjusted, even reaching a negative reduction potential comparable to that of hydrogen, so that the phenomenon of hydrogen evolution corrosion cannot occur; a large number of functional groups and active sites in the organic matter can induce uniform deposition of metal ions, and there is no condition for dendrite growth and formation of a passivation layer, so that various problems caused by the above metal negative electrode can be completely avoided; the metal-air battery with the above organic negative electrode has the advantages of long cycle time, stable performance, safety, environmental protection and low cost, and has a wide application prospect in the field of large-scale energy storage.

This invention belongs to the field of bioengineering and provides a method for constructing *Pseudomonas aeruginosa* strains that produce 2-hydroxyphenazine and its applications. This invention uses Qlu-1-3 from patent ZL202011026637.X as the starting strain, and achieves this by knocking out a gene that inhibits phenazine synthesis in the genome. mdtA , gspM The gene enabled the engineered strain to produce 2-hydroxyphenazine at concentrations of 156.3 mg / L and 216.4 mg / L, laying the foundation for the subsequent production of 2-OH-PHZ using Pseudomonas aeruginosa.

The invention provides a benzo [b] phenazine-1, 2, 3, 4, 6, 11-hexanone derivative and a preparation method and application thereof.The benzo [b] phenazine-1, 2, 3, 4, 6, 11-hexanone derivative is of an asymmetric multi-carbonyl quinone phenazine structure, contains a plurality of oxidation-reduction active sites and can show excellent oxidation-reduction performance, molecules of the benzo [b] phenazine-1, 2, 3, 4, 6, 11-hexanone derivative are of a conjugated structure, hydrogen bonds exist between the molecules, and the structure of the benzo [b] phenazine-1, 2, 3, 4, 6, 11-hexanone derivative can be used for preparing the benzo [b] phenazine-1, 2, 3, 4, 6, 11-hexanone derivative. And the material is difficult to dissolve in an electrolyte, and has stable electrochemical performance in an ion battery. The preparation method of the benzo [b] phenazine-1, 2, 3, 4, 6, 11-hexanone derivative comprises the following steps: carrying out condensation reaction on a 2, 3-diaminonaphthalene-1, 4-diketone derivative and 2, 3, 5, 6-tetrahydroxy-1, 4-benzoquinone to obtain an intermediate; and then oxidizing the intermediate to obtain the benzo [b] phenazine-1, 2, 3, 4, 6, 11-hexanone derivative disclosed by the invention.

The compounds represented by the following general formula exhibit excellent luminescent properties. Ar 1 Represents benzene ring, naphthalene ring, phenanthrene ring, etc.; D represents 5H-indol[3,2,1-de]phenazin-5-yl, etc.; A represents cyano, phenyl, pyrimidinyl, triazolyl, etc.; m represents 1 or 2; n represents 0 to 2; R 1 ~R 4 It represents H, aryl, cyano, etc.

The invention belongs to the technical field of flow batteries, and particularly relates to an electrolyte for a flow battery, a preparation method of the electrolyte and the flow battery. The electrolyte comprises an alkali solution, a zinc salt, a phenazine additive and a solvent, wherein the structural general formula of the phenazine additive is shown as a formula I or a formula II: (formula I) and (formula II); in the formula I and the formula II, R1 is an electron donor functional group, and R2 is a hydrophilic functional group. According to the electrolyte disclosed by the invention, the redox medium function of the phenazine additive is utilized, dead zinc losing electric contact can be reconverted into zinc with electrochemical activity, and meanwhile, hydrogen evolution side reaction is inhibited, so that the cycle life of the flow battery is remarkably prolonged. The preparation method of the electrolyte is simple and convenient, the formula can be flexibly adjusted according to actual requirements, the cost is low, and the electrolyte required by the flow battery can be rapidly prepared.

The invention discloses application of a cathode material in reduction of oxidation-reduction potential and an electrochromic device, and belongs to the technical field of electrochromic materials. The general formula of the cathode material is # imgabs0 #, wherein R1 and R1'are independently selected from an alkyl group, an aryl group or an alkoxy group; r2, R6, R2'and R6 'are independently selected from H, F, Cl, Br, I, CN, NO2, alkyl, alkoxy or aryl; x <-> is selected from BF4 <-> or PF6 <->. Compared with a conventional cathode material, the cathode material has the advantages that the electron obtaining capacity is weakened, the electron losing capacity is enhanced, the potential difference absolute value of an electrochromic solution prepared from the cathode material and dimethyl phenazine is increased, and the potential energy required by a positive reaction of the cathode material in the oxidation-reduction process is increased; correspondingly, the electric potential energy required by the reverse reaction is reduced, so that the transmittance of the device in the initial state is improved, and the time required for color fading is shortened.

The invention discloses a high-purity 2-hydroxyphenazine compound and a purification method thereof.A large amount of 2-hydroxyphenazine compounds are successfully separated and purified from pseudomonas chlororaphis fermentation broth, and the purification method comprises the following steps that the pseudomonas chlororaphis fermentation broth is centrifuged to remove thalli, and a sample loading solution is obtained; carrying out dynamic adsorption on the loading solution by using a macroporous adsorption resin column until the loading solution is saturated; eluting impurities on the macroporous adsorption resin column by using a low-concentration ethanol water solution; desorbing by using a relatively high-concentration ethanol water solution as an eluent to obtain a desorption solution; and removing the eluent in the desorption solution to obtain a purified 2-hydroxyphenazine product. According to the method, the recovery rate reaches 93.01 + / -5.95%, and the method has the advantages of being easy to operate, environmentally friendly and free of pollution and has wide application value in the aspect of industrial large-scale production.