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436 results about "Porphyrin" patented technology

Porphyrins (/ˈpɔːrfərɪn/ POR-fər-in) are a group of heterocyclic macrocycle organic compounds, composed of four modified pyrrole subunits interconnected at their α carbon atoms via methine bridges (=CH−). The parent porphyrin is porphine, a rare chemical compound of exclusively theoretical interest. Substituted porphines are called porphyrins. With a total of 26 π-electrons, of which 18 π-electrons form a planar, continuous cycle, the porphyrin ring structure is often described as aromatic. One result of the large conjugated system is that porphyrins typically absorb strongly in the visible region of the electromagnetic spectrum, i.e. they are deeply colored. The name "porphyrin" derives from the Greek word πορφύρα (porphyra), meaning purple.

Macrocyclic covalent organic polymer material for inhibiting pi-pi stacking effect and application of macrocyclic covalent organic polymer material

The invention discloses a macrocyclic covalent organic polymer material for inhibiting a pi-pi stacking effect and application of the macrocyclic covalent organic polymer material, and belongs to the technical field of biological medicines. The preparation method comprises the following steps: adding 5, 10, 15, 20-tetra (4-ethynylphenyl) copper porphyrin and a macrocyclic monomer into an organic solvent in a protective atmosphere, and carrying out solvothermal reaction in the presence of a catalyst and alkali to obtain the macrocyclic covalent organic polymer material. According to the invention, 5, 10, 15, 20-tetra (4-ethynylphenyl) copper porphyrin and a macrocyclic monomer form a porous polymer MCP-CU-POP, the material utilizes the photo-thermal capability to combine the effects of simulated photo-thermal (PTT), photodynamic (PDT), peroxidase (PODs) and glutathione peroxidase (GSH-Px) to perform synergistic antibiosis, and the inherent characteristics of an infected microenvironment can also be utilized to induce death of bacteria, so that the antibacterial property of the material is greatly improved, and the antibacterial property of the material is greatly improved. And the microenvironment of the bacterial infection part can be adjusted, so that the recovery of the bacterial infection wound can be obviously accelerated.
Owner:AFFILIATED HOSPITAL OF WEIFANG MEDICAL UNIV

Composite photo-thermal hydrogel for seawater desalination as well as preparation method and application of composite photo-thermal hydrogel

The invention provides a composite photo-thermal hydrogel for seawater desalination and a preparation method and application thereof, the hydrogel has a structural unit of a structure as shown in a formula I. COF with photo-thermal performance is compounded with the hydrogel, and the hydrogel has a three-dimensional long-range ordered pore structure to promote transmission of water molecules; and the COF dispersed in the material contains porphyrin and a C = N double-bond connection structure, so that the material has excellent photothermal conversion efficiency. Therefore, under the irradiation of sunlight, the composite photo-thermal hydrogel disclosed by the invention can realize photo-thermal conversion to realize seawater evaporation, the seawater evaporation rate reaches 3.6 kgm <-1 > h <-1 >, and the performance is improved by about 3 times compared with that of a traditional carbon-based material. According to the preparation method of the composite photo-thermal hydrogel, large and complex equipment is not involved in the preparation method, the preparation technological process is simple, and industrial large-scale production is facilitated; and the reaction temperature in the preparation process is low, the energy consumption is also reduced, and the cost advantage is remarkable.
Owner:SHENZHEN UNIV

Fluorescent switch sensor based on quantum dot-nano porphyrin and application

The invention relates to the technical field of analysis and detection, in particular to a fluorescent switch sensor based on quantum dot-nano porphyrin and application. The specific technical scheme is as follows: the fluorescent switch sensor is constructed by utilizing cadmium telluride quantum dots modified by mercaptosuccinic acid and a 5, 10, 15, 20-tetra (4-nitrophenyl) porphyrin nano material modified by a cationic surfactant hexadecyl trimethyl ammonium bromide. And the method has a good enrichment effect on zearalenone. The sensor has high sensitivity, high selectivity and anti-interference performance, can accurately analyze trace zearalenone in actual grain samples (corn, rice, soybean and the like), and has the advantages of simplicity in operation, low detection limit, high sensitivity, low cost and the like.
Owner:ZHEJIANG UNIV OF TECH

Porphyrin metal organic framework composite material, preparation method and biogenic amine SERS (Surface Enhanced Raman Scattering) array sensor

The invention relates to a porphyrin metal organic framework composite material, a preparation method and a biogenic amine SERS (Surface Enhanced Raman Scattering) array sensor. The preparation method of the composite material comprises the steps that a copper precursor solution is added into a surfactant, heating reaction is conducted, a reducing agent is added, heating reaction is conducted, and copper nanoparticles are obtained; the preparation method comprises the following steps: adding a transition metal salt and a surfactant into an organic solvent, adding a porphyrin ligand, carrying out a solvothermal reaction, carrying out centrifugal separation, washing and drying to obtain a porphyrin metal organic framework material, and dispersing the porphyrin metal organic framework material into the organic solvent to obtain a dispersion liquid A; and dispersing copper nanoparticles in the dispersion liquid A, carrying out a second heating reaction, and carrying out centrifugal separation, washing and drying to obtain the porphyrin metal organic framework composite material. The invention also provides the porphyrin metal organic framework composite material prepared by the preparation method, and the application of the porphyrin metal organic framework composite material as a biogenic amine SERS array sensor. The invention solves the problem that the accuracy of the detection result is influenced because the traditional biogenic amine detection method is difficult to realize field detection.
Owner:CHONGQING TECH & BUSINESS UNIV

Preparation method of novel secondary amine covalent organic framework material and photocatalytic application of novel secondary amine covalent organic framework material

The invention belongs to the field of photocatalytic preparation of hydrogen peroxide, and relates to a novel secondary amine linked covalent organic framework material (AR-COF) as well as a preparation method and application thereof. According to the material, tetraaldehyde phenyl porphyrin and 2, 5-diamino-1, 4-benzenediol dihydrochloride are subjected to a Schiff base reaction to synthesize an imine bond connected porphyrinyl covalent organic framework (IM-COF), and then synthesis post-modification (PSM) is performed on the imine bond connected porphyrinyl covalent organic framework (IM-COF) so that the imine bond connected porphyrinyl covalent organic framework (IM-COF) and sodium borohydride can be subjected to a reduction reaction to generate AR-COF. The photocatalytic stability of the material is maintained through modification after synthesis, the catalytic activity is improved, and the original crystal structure is not damaged. A photocatalytic hydrogen peroxide production experiment shows that the catalytic activity of AR-COF under 420 nm monochromatic light is superior to that of IM-COF, the yield under an oxygen condition reaches 7.79 mmol.g <-1 >. H <-1 >, and hydrogen peroxide can be stably produced. The method utilizes solar energy for green synthesis under mild conditions, and provides a safe and efficient method for hydrogen peroxide production.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Multi-metal active site covalent organic framework material, preparation method thereof and application of multi-metal active site covalent organic framework material in activating PMS to degrade pollutants

The invention discloses a multi-metal active site covalent organic framework material, a preparation method thereof and application of the multi-metal active site covalent organic framework material in activating PMS to degrade pollutants, the multi-metal active site covalent organic framework material comprises metalloporphyrin and bipyridine groups, when porphyrin loads metal, metal atoms are connected through coordination of two nitrogen sources of bipyridine, the metal atoms are connected through coordination of two nitrogen sources of bipyridine, and therefore the multi-metal active site covalent organic framework material is obtained. Multi-metal active sites are formed; the metal active sites are increased, and the distance between metals is adjusted, so that the framework material shows excellent catalytic activity. The covalent organic framework material is prepared through a solvothermal reaction, the covalent organic framework material continues to react with a metal precursor to load metal, the preparation method is simple, a complex reaction process and harsh reaction conditions are not needed, and large-scale preparation can be achieved.
Owner:GUANGDONG UNIV OF TECH

Methods and applications of constructing Si@COF-Co materials using porphyrin COF as a conductive nanolayer for silicon nanomaterials

This invention belongs to the field of lithium-ion battery technology, specifically relating to a method for constructing Si@COF-Co materials using porphyrin COF as a conductive nano-protective layer for nano-silicon and its application. The invention first adds a methanol solution of PEI to a methanol solution of nano-silicon, then dries it at high temperature to obtain PEI-modified nano-silicon Si-PEI. Next, Si-PEI and PVP are dispersed in o-dichlorobenzene / n-butanol, and then COF monomer and glacial acetic acid are added. After maintaining the mixture at 110-130℃ for 70-80 hours, it is washed, dried, and ground to obtain Si@COF. Finally, Si@COF and cobalt acetate tetrahydrate are dispersed in methanol, reacted at room temperature, and then washed, dried, and ground to obtain Si@COF-Co. This invention offers a simple, high-yield, and effective method. The synthesized material effectively alleviates the volume expansion of nano-silicon, improves the stability and reversibility of the electrode material, and can be used as a negative electrode material for lithium-ion batteries.
Owner:SUN YAT SEN UNIV

Non-noble metal ORR catalyst and preparation method thereof

The invention discloses a non-noble metal ORR catalyst and a preparation method thereof, and belongs to the technical field of electro-catalysis. The method comprises the following steps: (1) adding 5, 10, 15, 20-tetra (4-cyanophenyl) porphyrin and nickel salt into an organic solvent, and synthesizing a supramolecular crystal precursor UPC-S7 through solvothermal reaction; (2) carbonizing the supramolecular crystal precursor UPC-S7 in an inert atmosphere to obtain a Ni-coated NC material; (3) oxidizing the Ni-coated NC material in an oxygen-containing atmosphere to obtain a Ni / NiO-coated NC material; and (4) sequentially soaking and etching the Ni / NiO-coated NC material by using a nitric acid solution and an ammonia water solution, and then washing and drying to obtain the non-noble metal ORR catalyst. The prepared catalyst does not contain precious metal such as platinum, the raw material cost is remarkably reduced on the basis of ensuring the ORR activity and stability of the catalyst, and a new scheme is provided for solving the cost bottleneck of a fuel cell.
Owner:SHANDONG UNIV OF SCI & TECH

Polypeptide fertilizer beneficial to cold resistance of crops and preparation method thereof

The invention discloses a polypeptide fertilizer beneficial to cold resistance of crops and a preparation method thereof, and belongs to the technical field of agricultural fertilizers, the fertilizer is prepared by taking livestock and poultry blood (preferably pig blood) as a raw material, preparing high iron protein peptide through a compound protease hydrolysis process, and matching with a trace element compound, humic acid and a carrier. The preparation process comprises the steps of enzymolysis preparation of the ferritin peptide, fertilizer mixing, granulation, drying and the like. The polypeptide fertilizer disclosed by the invention takes the high-iron protein peptide as a core, the contained small-molecular amino acid polypeptide can enhance the antioxidant enzyme activity of crops at low temperature and reduce malonaldehyde accumulation, the porphyrin iron can promote chlorophyll synthesis and energy metabolism, and the high-iron protein peptide and the porphyrin iron cooperate to remarkably improve the cold resistance of the crops. Meanwhile, by cooperating with trace elements and humic acid, the cold resistance is enhanced, nutrient absorption of crops is promoted, the yield and quality are improved, multiple effects of resisting cold, improving quality, increasing yield and the like are achieved, the raw materials are wide in source, the cost is low, the preparation process is simple, and large-scale production and application are facilitated.
Owner:XIANGYANG WEIEN BIOTECHNOLOGY CO LTD

Covalent organic framework antibacterial material with NO light-controlled release as well as preparation method and application of covalent organic framework antibacterial material

The invention discloses a covalent organic framework antibacterial material with NO light-controlled release as well as a preparation method and application thereof, and belongs to the technical field of biological medicines. The covalent organic framework antibacterial material is a porous polymer taking a cyclodextrin inclusion compound and a porphyrin metal coordination compound as structural units; a plurality of porphyrin metal coordination compounds surround the cyclodextrin inclusion compound in each structural unit, and the porphyrin metal coordination compounds are not on the same plane; the cyclodextrin inclusion compound is obtained by inclusion of BNN6 with beta-cyclodextrin; the porphyrin metal coordination compound is a coordination compound of porphyrin and copper. The preparation method comprises the following steps: firstly preparing a cyclodextrin porphyrin porous polymer, then matching the cyclodextrin porphyrin porous polymer with copper and entrapping BNN6 to obtain a covalent organic framework antibacterial material, utilizing NO release and combining simulated photo-thermal, photodynamic, peroxidase and glutathione peroxidase to achieve synergistic antibacterial effect, and remarkably accelerating the recovery of bacterial infected wounds.
Owner:WEIFANG MEDICAL UNIV

Two-dimensional bimetallic Co-MOF / Zn-TCPP composite material, preparation method and application thereof, gas sensitive sensor and preparation method and application thereof

The invention relates to the field of gas sensing, and discloses a two-dimensional bimetallic Co-MOF / Zn-TCPP composite material, a preparation method and application thereof, a gas sensitive sensor, and a preparation method and application thereof. The two-dimensional bimetallic Co-MOF / Zn-TCPP composite material comprises a Zn-TCPP material, and the surface of the Zn-TCPP material is modified with a Co-MOF material. According to the method, a bimetal organic framework material is combined with a porphyrin compound to form a two-dimensional composite gas-sensitive material with high specific surface area, a porous structure and a bimetal synergistic effect, so that a two-dimensional bimetal gas-sensitive sensor with excellent performance is prepared. According to the sensor, the detection sensitivity of H2 is remarkably improved, the working temperature is reduced, and the limitations of insufficient sensitivity, high working temperature and the like of a traditional single metal oxide gas sensitive sensor are overcome.
Owner:ELECTRIC POWER RES INST STATE GRID SHANXI ELECTRIC POWER +2

Mining polyurethane material for blocking spraying air leakage and preparation method thereof

The invention provides a mining polyurethane material for blocking spraying air leakage and a preparation method thereof, and belongs to the technical field of polyurethane. The preparation method comprises the following steps: carrying out surface treatment on a multi-walled carbon nanotube, mixing with porphyrin-Zn-MOF and polydopamine for modification to prepare a porphyrin-Zn-MOF polydopamine modified carbon nanotube, mixing with m-2DOPO-2NH2, reacting with KH560 modified nano silicon dioxide to prepare a modifier, mixing with polyether polyol and a catalyst, adding into water, adding a foaming agent and silicone oil, heating, stirring and mixing, transferring into a mold, carrying out heat preservation, and carrying out vacuum drying, so as to obtain a finished product. Adding diisocyanate, after foaming is completed and the temperature of the material is reduced to the room temperature, drying, heating and curing to prepare the mining polyurethane material for blocking spraying air leakage, adding the modifier into a polyurethane foaming system, so that the mechanical property and flame retardant property of the system are obviously improved, the antistatic property and the thermal stability are improved, the modifier can be uniformly dispersed in the system, and the flame retardant property and the antistatic property of the system are improved. And repeated spraying is avoided, the constructability is good, and wide application prospects are achieved.
Owner:INNER MONGOLIA JINGRUN MINING SAFETY TECH CO LTD +3

Fibroin-containing absorbable suture line and preparation method thereof

The invention discloses an absorbable suture line containing fibroin and a preparation method of the absorbable suture line, and relates to the technical field of absorbable suture lines. The absorbable suture line containing the silk protein is prepared from the following raw materials in parts by weight: 35 to 50 parts of silk protein, 10 to 20 parts of polylactic acid, 15 to 25 parts of polyglycolide-lactide, 1 to 3 parts of antibacterial agent, 2 to 5 parts of modified toughening agent, 1 to 4 parts of nano mineral filler, 0.5 to 2 parts of cross-linking agent and 2 to 5 parts of plasticizer, the preparation method comprises the following steps: reacting protocatechuic acid with ethanolamine to generate an intermediate 1; and reacting the intermediate 1 with 5, 10, 15, 20-tetra (4-carboxyl phenyl) porphyrin to generate the antibacterial agent. The prepared absorbable suture line containing the silk protein has good mechanical performance, self-repairing performance and antibacterial performance.
Owner:HUBEI SHUANGXING PHARMA CO LTD

Photo-thermal composite film based on cobalt porphyrin and graphene as well as preparation method and application of photo-thermal composite film

The invention discloses a photo-thermal composite film based on cobalt porphyrin and graphene and a preparation method and application thereof.The photo-thermal composite film comprises a substrate layer, a photo-thermal active layer loaded on the substrate layer and a sealing layer wrapping the surface of the photo-thermal active layer, and the photo-thermal active layer is a composite material of a cobalt porphyrin covalent organic framework material and reduced graphene oxide; and the sealing layer is made of polydimethylsiloxane. The flexible PVDF microporous membrane is used as a mechanical support substrate, the COF-rGO photo-thermal active layer is loaded through a vacuum filtration method, surface sealing and hydrophobic strengthening are achieved through impregnation and curing of the PDMS solution, the whole preparation process is simple, conditions are mild, and the obtained membrane material is stable in structure and firm in combination and has good application prospects. The material has high-efficiency photo-thermal conversion performance, stable super-hydrophobic property and excellent oil-water separation capability, can effectively adsorb high-viscosity oil in a severe environment, and provides a feasible technical path for developing a high-efficiency and durable solar-driven oil-water separation material.
Owner:HAINAN UNIV

Preparation and application of zwitterionic porphyrin-based conjugated microporous polymer composite fiber membrane

The application relates to preparation and application of a zwitterion-containing porphyrin-based conjugated microporous polymer composite fiber membrane, and components of the composite fiber material include: a porphyrin-based conjugated microporous polymer, a zwitterionic polyionic liquid and a polymer matrix; wherein the polymer matrix fiber is doped with the porphyrin-based conjugated microporous polymer and the zwitterionic polyionic liquid. The zwitterion-containing porphyrin-based conjugated microporous polymer composite fiber membrane has the advantages of salt resistance, fast evaporation rate and high photo-thermal conversion efficiency, and has potential application value in seawater desalination, wastewater purification, sterilization and the like.
Owner:DONGHUA UNIV

Polyamide membrane having regular pore structure, and manufacturing method therefor

PCT designated stageWO2026083609A1Semi-permeable membranesPolymer sciencePorphyrin
Provided are a polyamide membrane that maintains a regular pore structure even in an organic solvent, has long-term stability, has excellent selectivity, and has a high separation efficiency, as well as a manufacturing method therefor. This polyamide membrane, which is formed by polymerizing an aminoporphyrin monomer and an acid chloride monomer, has a regular pore structure and a crystalline structure. The porphyrin is expanded in a horizontal direction of the membrane due to the side functional groups of the quadrilateral, and forms pore channels in a vertical direction due to the macrocycle (macrocycle compound). Additionally, the porphyrin is characterized by being protonated. Due to the porphyrin being protonated, deviation occurs in accordance with the degree of protonation of the porphyrin, the sliding distance of a stack of the aminoporphyrin monomer is adjusted, a change occurs in the vertical pore channels, and the pore size is adjusted.
Owner:KOBE UNIV

A polyimide supported triaminophthalocyanine probe, a preparation method thereof and application thereof in detection of nitroaromatic explosives

The application belongs to the field of explosive detection, and discloses a polyimide loaded triaminophthalocyanine probe, a preparation method thereof and application thereof in detecting nitroaromatic explosives. The probe has the following general structure formula. The probe is prepared by cross-linking copolymerization of 5,10,15-tri(4-aminophenyl)-20-phenyl porphyrin, aromatic tetracid dianhydride and aromatic organic diamine. The polyimide high-molecular cross-linked branch loaded triaminophthalocyanine compound with fluorescent light emitting performance is prepared for the first time. The probe is applied to detecting various nitroaromatic explosives by quenching fluorescence response, and the detection method is simple, and has good application prospect in the field of public security.
Owner:CHINA SCI CERTIFICATION TECH SERVICES (GUANGZHOU) CO LTD +1

Galactosyl zinc-porphyrin derivative as well as preparation method and application thereof

The invention relates to the technical field of biochemistry, and particularly discloses a galactosyl zinc-porphyrin derivative and a preparation method and application thereof.The galactosyl zinc-porphyrin derivative is formed by coupling a group with double functions of fluorescence and cytotoxic activity and a liver cancer targeting group, can be specifically combined with a liver cancer cell HepG2, emits 608 nm and 659 nm fluorescence signals under the excitation wavelength of 425 nm, and can be used for detecting liver cancer. And accurate tracing can be realized. Meanwhile, IC509.1 mu M + / -2.59 is used for killing liver cancer cells, so that targeted therapy is realized. The chemical disclosed by the invention has the functions of fluorescence tracing and targeted killing, can synchronously realize accurate positioning (fluorescence tracing) and efficient removal (targeted treatment) of liver cancer cells without drug combination, can be used for liver cancer diagnosis, treatment and curative effect evaluation, and has extremely high research and development value.
Owner:GUANGXI UNIV

A sensor for synchronously detecting enniatin and roquefortine based on double potential electrochemiluminescence immunoassay technology, a preparation method and a detection method thereof

The application relates to a sensor for synchronously detecting enniatin and roquefortine based on a double-potential electrochemiluminescence immunoassay technology as well as a preparation method and a detection method thereof. The sensor comprises a base electrode, a sensing interface composed of a nanocomposite is modified on the surface of the base electrode, mixed coated antigens including ENNs-BSA and AOH-BSA fixed on the sensing interface, mixed probes including a cathode probe and an anode probe, the cathode probe is Zr-Por-MOF-ENNs Ab which is obtained by marking ENNs antibodies with a porphyrin zirconium metal organic framework, the anode probe is Ce-In-MOF@ABEI-AOH Ab which is obtained by marking AOH antibodies with ABEI loaded on a cerium-doped indium metal organic framework, and a detection solution containing a single co-reactant potassium persulfate. The application can realize one-time sample adding, double-potential scanning and synchronous quantification for two kinds of mycotoxins of enniatin and roquefortine.
Owner:SUZHOU IND PARK SERVICE OUTSOURCING VOCATIONAL COLLEGE (SUZHOU SERVICE OUTSOURCING TALENT TRAINING & TRAINING CENT)

A method for synthesizing a tervalent tetraaryl iron porphyrin from pyrrole and aromatic aldehyde and divalent iron salt

The application discloses a method for synthesizing tervalent tetraaryl iron porphyrin from pyrrole, aromatic aldehyde and ferrous salt, which comprises the following steps: adding anhydrous aluminum chloride, aromatic aldehyde, pyrrole and ferrous salt into DMF under stirring, and then heating and refluxing the reaction mixture for 0.5 hours under nitrogen; removing the nitrogen and continuing to heat the reaction mixture for a certain time; stopping the reaction; cooling the reaction mixture; and placing the reaction mixture at 273K overnight; and finally filtering the reaction mixture to obtain the iron porphyrin.
Owner:XINJIANG PUHESU NEW ENVIRONMENTAL PROTECTION MATERIAL CO LTD

A method for extracting and detecting porphyrin compounds

An extraction and detection method of porphyrin compounds. The extraction method comprises the following steps: weighing a sample to be detected, adding an organic solvent A containing reagent B and reagent C, heating and refluxing, cooling to room temperature to obtain a mixture 1; ultrasonically oscillating the mixture 1 with ultrapure water and reagent D in sequence to obtain a mixture 2; centrifuging the mixture 2 to separate an organic phase and an aqueous phase; alkalinizing the aqueous phase to extract organic compounds from the aqueous phase to obtain free porphyrin components. The method solves the problems of low extraction efficiency, serious environmental pollution and difficulty in eliminating environmental matrix interference of the prior art, and realizes efficient, environmentally-friendly and accurate enrichment and detection of porphyrin compounds.
Owner:TIANJIN UNIV

Preparation method of metal halide perovskite and three-dimensional cobalt porphyrin-based COFs composite material

PendingCN121495137APorphyrinOrganosolv
The invention relates to a preparation method of a metal halide perovskite-coated three-dimensional cobalt porphyrin-based COFs (Covalent Organic Frameworks) composite material, which comprises the following steps: S1, reacting an aldehyde precursor with an amine precursor in a first organic solvent, and after the reaction is finished, performing post-treatment to obtain a three-dimensional cobalt porphyrin-based COFs material; wherein the aldehyde precursor is 5 ', 5 '', 5'' '', 5'' ''''-(5, 10, 15, 20-tetrayl) tetra (([1, 1': 3 ', 1 ''-terphenyl]-4, 4''-diformyl))-21H, 23H-cobalt porphyrin (II), and the amine precursor is 4, 4'-diamino terphenyl and 2 ', 5'-bis ((methylthio) methyl)-[1, 1 ': 4', 1 ''-biphenyl]-4, 4''-diamine; s2, in a second organic solvent, enabling the three-dimensional cobalt porphyrin-based COFs material to react with lead bromide, and after the reaction is finished, performing post-treatment to obtain a PbBr2 (at) 3D Co-COFs material; and S3, in a third organic solvent, carrying out a reaction on the PbBr2 (at) 3D Co-COFs material and methylamine bromide, and after the reaction is finished, carrying out post-treatment to obtain the metal halide perovskite (at) three-dimensional cobalt porphyrin-based COFs composite material. The preparation method has the advantage that the photocatalytic activity and stability are improved.
Owner:ZHEJIANG UNIV OF TECH

Porphyrin core-based gelator and preparation thereof, and application of porphyrin core-based gelator in preparation of products for removing skin glycated toxins

The invention relates to the technical field of gelators and functional cosmetics, in particular to a porphyrin core-based gelator, preparation thereof and application of the porphyrin core-based gelator in preparation of products for removing skin glycated toxins. The gel factor provided by the invention is a C2 symmetric chiral gel factor: L-Por-Phe. A central core (porphyrin ring) of the gelator provides strong hydrophobic acting force and pi-pi stacking driving force, is not only a driving core for supramolecular self-assembly, but also is a key site for adsorbing aromatic AGEs toxins; a natural chiral source and an additional benzene ring side group are introduced into a side chain, the hydrophilic-hydrophobic balance of molecules is adjusted, and a supramolecular assembly is induced to form a single chiral spiral nanofiber; the connecting arms provide intermolecular hydrogen bonds to stabilize the three-dimensional network structure of the hydrogel; the terminal group endows the molecule with pH responsiveness, so that the gel can maintain a stable gel state in a skin physiological pH environment, and has good moisture retention.
Owner:SHANGHAI NINTH PEOPLES HOSPITAL SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE

Eu-TCPP-SO4 crystal as well as preparation method and application thereof

The invention relates to the field of combined application of MOF (Metal Organic Framework) crystal material synthesis and a sonodynamic antibacterial technology, in particular to an Eu-TCPP-SO4 crystal as well as a preparation method and application thereof. The rare earth-porphyrin complex Eu-TCPP-SO4 crystal with a specific crystal structure is constructed by virtue of coordination and self-assembly of europium nitrate pentahydrate, meso-tetra (4-carboxyl phenyl) porphyrin (TCPP) and sulfate ions. The Eu-TCPP-SO4 crystal disclosed by the invention as a sound-sensitive agent has high sound-sensitive activity and good stability, overcomes the limitations of low efficiency and poor stability of the sound-sensitive agent in the prior art, and can provide a safer and more effective solution for actual antibacterial application.
Owner:INNER MONGOLIA UNIV OF TECH

Method for efficient catalysis of knoevenagel condensation reaction by porphyrin and quaternary ammonium salt synergistic catalytic system

ActiveCN118287150BPorphyrinKetone
The method for high-efficiency catalysis of Knoevenagel condensation reaction by a porphyrin and quaternary ammonium salt synergistic catalytic system belongs to the technical field of catalyzing Knoevenagel condensation reaction. The synergistic catalytic system comprises a porphyrin ligand and a quaternary ammonium salt compound. The method for high-efficiency catalysis of Knoevenagel condensation reaction of aldehyde ketone and active methylene to generate methylene malononitrile compounds is to use the porphyrin ligand and the quaternary ammonium salt as a synergistic catalytic system to catalyze the condensation of aldehyde ketone and active methylene to generate methylene malononitrile compounds. The porphyrin ligand and quaternary ammonium salt synergistic catalytic system avoids the disadvantages of environmental pollution and difficult recycling of traditional basic homogeneous catalysts, so that the porphyrin ligand and quaternary ammonium salt synergistic catalytic system is easy to operate and recycle, has universal practicability, can be used by ordinary experimental operators, and provides an easy-to-operate, inexpensive and efficient route for the synthesis of methylene malononitrile compounds, which has a popular prospect.
Owner:SHENYANG PHARMA UNIV

Cell membrane bionic conjugated electrolyte molecule taking porphyrin unit as core as well as preparation method and application of cell membrane bionic conjugated electrolyte molecule

According to the cell membrane bionic conjugated electrolyte molecule taking the porphyrin unit as the core as well as the preparation method and the application of the cell membrane bionic conjugated electrolyte molecule taking the porphyrin unit as the core, the optical performance, the biocompatibility and the stability of a probe are remarkably optimized by introducing the porphyrin unit and metal coordination; and a more accurate and reliable tool is provided for cell membrane related research and disease diagnosis. The innovative design not only improves the spectral characteristics and the imaging effect, but also promotes the application of the fluorescence imaging technology in the medical field, and has wide prospects.
Owner:SOUTH CHINA UNIV OF TECH

Organic pollutant water treatment adsorption material and preparation method thereof

The invention discloses an organic pollutant water treatment adsorption material and a preparation method thereof in the technical field of water treatment materials. The organic pollutant water treatment adsorption material comprises the following components in parts by weight: 2-4 parts of a material monomer I, 3.5-7 parts of a material monomer II, 3.2-6.5 parts of ferric chloride hexahydrate, 0.36-1.0 part of copper nitrate trihydrate and 0.3-1.2 parts of zinc nitrate hexahydrate. Through full-chain collaborative design of monomer synthesis, multifunctional COF framework construction, magnetic modification and bimetallic active site loading, the bottleneck that a traditional adsorption material is low in capacity, slow in speed, difficult to recycle and poor in selectivity is broken through, the monomer I provides a high-density porphin ring, the monomer II constructs a high-porosity COF framework through multiple functional groups, and the adsorption material is prepared through magnetic modification. Cu < 2 + > / Zn < 2 + > and nitrogen atoms of the porphin ring form strong coordination active sites, and loading of the magnetic nanoparticles enables the density of the active sites to be perfectly matched with a pore structure, so that site waste or pore blockage is avoided.
Owner:CHINA THREE GORGES UNIV

Method for photo-initiation in-situ preparation of integrated silicon solid electrolyte and application

The invention belongs to the technical field of material chemistry, and particularly relates to a method for photo-initiation in-situ preparation of an integrated silicon solid electrolyte and application. The preparation method comprises the following steps: firstly, adding PEGDA and UPyMA into DMSO, and carrying out ultrasonic uniform dispersion; and adding a photoinitiator porphyrin COF and a coinitiator TEA, and removing water and oxygen in the solution by a bubbling method. Under the protection of argon, adding LiTFSI and stirring at room temperature to prepare a polymer solid electrolyte precursor solution; and dropwise adding the precursor solution on the surface of a silicon electrode, irradiating with an ultraviolet lamp, and drying after complete polymerization to obtain the silicon negative electrode-polymer integrated solid electrolyte. The synthesis mode is simple and convenient, the yield is high, the effect is good, the composition can effectively solve the problem of a solid-solid interface in a solid electrolyte, the volume expansion of nano silicon is relieved, the ionic conductivity and the transference number are improved, the stability of an electrode material is maintained, and the composition can be used for all-solid-state lithium metal batteries and all-solid-state silicon batteries.
Owner:SUN YAT SEN UNIV

Preparation method and application of all-weather bimetallic porphyrin cmp material

PendingCN122647722AOrganic solventPorphyrin
The application discloses a preparation method of all-weather bimetallic porphyrin CMP material, and specifically comprises the following steps: performing polycondensation reaction on M1-TCPP-COCl and 5,5'-diamino-2,2'-bipyridine in an organic solvent, performing suction filtration, washing and drying on a product to obtain M1Por-CMP; and performing coordination reaction on M1Por-CMP and metal M2 in acetonitrile, and performing suction filtration, washing and drying on a product, and the preparation method is completed. The M1Por-M2Bpy-CMP prepared by the application has rich pore structure and conjugate structure, can realize massive adsorption of pollutants through π-π interaction and physical adsorption. Meanwhile, the coordination bimetal in the CMP material can also increase the adsorption of pollutants through electrostatic interaction. The synergistic effect of the above various adsorptions can realize mass transfer strengthening before degradation.
Owner:XI'AN POLYTECHNIC UNIVERSITY