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33results about How to "Broaden the range of photosensitive wavelengths" patented technology

Preparation method of photoelectrochemical diethylstilbestrol sensor based on copper-doped nano photoelectric material

The invention discloses a preparation method of a photoelectrochemical diethylstilbestrol sensor and belongs to the technical field of novel nano functional materials and biosensors. Firstly, a novel two-dimensional nano photoelectric material, namely a copper-doped nano photoelectric material, specifically a two-dimensional nano composite Cu-TiO2 / MoS2 obtained through in-situ compounding of molybdenum disulfide on a copper-doped titanium dioxide nano cube is prepared, and an diethylstilbestrol antibody is loaded and alkaline phosphatase is fixed to the material by the application of good biocompatibility and a large specific surface area of the material. During detection, due to the fact that alkaline phosphatase can catalyze L-ascorbic acid-2-trisodium phosphate AAP to generate L-ascorbic acid AA in situ and then provide an electron donor for photoelectric detection, by the application of the influences of specific quantitative combination of the antibody and an antigen on electron transmission capacity, the photoelectric current intensity is lowered accordingly, and finally the photoelectric sensor for detecting diethylstilbestrol through an unmarked photoelectrochemical method is constructed.
Owner:UNIV OF JINAN

Photoelectrochemical sensor for estradiol based on boron-doped iron cobalt oxide two-dimensional nano composite material as well as preparation method and application of photoelectrochemical sensor

The invention discloses a photoelectrochemical sensor for estradiol based on a boron-doped iron cobalt oxide two-dimensional nano composite material as well as a preparation method and application of the photoelectrochemical sensor. The preparation method comprises the following steps: firstly, modifying a two-dimensional nano material g-C3N4 on ITO (Indium Tin Oxide) conductive glass by adopting an electrodeposition method; secondly, carrying out in-situ grown of iron cobalt oxide by adopting a hydrothermal method, and further preparing to obtain a working electrode loaded with the g-C3N4, doped with boron and modified by the iron cobalt oxide Bi@Fe*Co<1->*O3 / g-C3N4; finally, loading an estradiol antibody by using good biocompatibility and large specific surface area of the material. During detection, L-ascorbic acid-2-trisodium phosphate (AAP) can be catalyzed by boron-doped iron cobalt oxide Bi@Fe*Co<1->*O3 to generate L-ascorbic acid AA in situ, further an electron donor is provided for photoelectric detection, and then photocurrent intensity is correspondingly reduced by using the influence of specific combination of the antibody and antigen on electronic transmission capacity; finally, the construction of the photoelectrochemical sensor for the estradiol by adopting a mark-free photoelectrochemical detection method is realized.
Owner:山东利源康赛环境咨询有限责任公司

Carbon nitride-binary metal boron oxide composite material-based bisphenol A photochemical sensor and preparation and application thereof

The invention discloses a carbon nitride-binary metal boron oxide composite material-based bisphenol A photochemical sensor and preparation and application thereof. The preparation comprises the steps of firstly modifying a two-dimensional nano material g-C3N4 on ITO conductive glass by adopting an electrodeposition method; growing nickel-cobalt hydroxide in situ by adopting a hydrothermal method to prepare a g-C3N4-loaded and boron-doped nickel-cobalt oxide Bi@NixCo<1-x>O3 / g-C3N4-modified working electrode; and finally loading a bisphenol A antibody by adopting good biocompatibility and large specific surface area of the material, thereby completing preparation of the bisphenol A photochemical sensor. When the detection is implemented, L-ascorbic acid-2-trisodium phosphate APP can be catalyzed by the boron-doped nickel-cobalt oxide Bi@NixCo<1-x>O3 to generate the L-ascorbic acid AA in situ, so that an electron donor is provided for photoelectric detection, the photocurrent strength is correspondingly reduced by utilizing the influence on the electronic transmission capability caused by the specificity quantitative combination of the antibody and antigen, and construction of a photoelectric sensor for detecting the bisphenol A by using an unmarked photoelectrochemical technique is finally achieved.
Owner:山东利源康赛环境咨询有限责任公司

Preparing method for binary metal co-doping photocatalyst

The invention discloses a preparing method for a photocatalyst free of precious metal doping, low in cost, easy to prepare and high in photocatalytic activity, and belongs to the technical field of novel nanometer functional materials and green energy.The binary metal co-doping photocatalyst prepared through the method is an iron-manganese co-doping titanium dioxide nanosheet in-situ synthesis carbon nitride two-dimensional nanocomposite FeMn-TiO2 / g-C3N4, and has good photocatalytic activity.
Owner:UNIV OF JINAN

Preparation method of double-metal doped titanium dioxide polyhedral photocatalyst

The invention discloses a preparation method of a double-metal doped titanium dioxide polyhedral photocatalyst free of doped precious metals, low in cost, simple to prepare and high in photocatalytic activity and belongs to the technical fields of novel nano functional materials and green energy.The double-metal doped titanium dioxide polyhedral photocatalyst prepared by means of the preparation method is iron and cobalt double-metal in-situ compounded and nitrogen doped titanium dioxide nanosheets FeCo-N@TiO2 and has good photocatalytic activity.
Owner:UNIV OF JINAN

Preparation method of two-dimensional nano electrode material

The invention discloses a preparation method of a two-dimensional nano electrode material which is free of noble metal doping, low in cost, easy to prepare and high in electrooptic activity, and belongs to the technical field of novel nano functional materials and green energy. The method comprises the steps that a copper doped titanium dioxide nanosheet material is composited in situ on a molybdenum disulfide nanosheet of a copper intercalation layer, and the two-dimensional nano composite material Cu-TiO2 / MoS2 is obtained by in-situ compositing molybdenum disulfide with copper doped titanium dioxide nano blocks through a one-pot method. The prepared Cu-TiO2 / MoS2 can be applied to the fields of solar energy photovoltaic cell preparation, photoelectrochemistry sensor construction, photocatalytic water splitting for hydrogen production, photocatalytic degradation of organic pollutants and the like.
Owner:UNIV OF JINAN

Method for preparing two-dimensional magnetic photocatalyst

The invention discloses a method for preparing a photocatalyst free of precious metal doping, low in cost, easy to prepare and high in photocatalytic activity and belongs to the technical field of novel nanometer functional materials and green energy.The molybdenum oxide / titanium dioxide composite nanometer photocatalyst prepared from the method is carbon nitride on-situ synthesis cobalt doping molybdenum oxide / titanium dioxide nanosheet two-dimensional nanocomposite Co-MoO3 / TiO2@g-C3N4, and has good photocatalytic activity.
Owner:UNIV OF JINAN

Preparation method of photoelectric chemical chloramphenicol biosensor based on two-dimension nanometer photoelectric material

The invention discloses a preparation method of a photoelectric chemical chloramphenicol biosensor based on a two-dimension nanometer photoelectric material, and belongs to the technical field of novel nanometer function materials and biosensors. The preparation method comprises the steps of firstly preparing the novel two-dimension nanometer photoelectric material and loading a chloramphenicol antibody and fixing alkaline phosphatase through good biocompatibility and large specific surface area of the material, wherein the material is a two-dimension nanometer compound material Mn-TiO2-MoS2 which is formed by in-situ composition of manganese doped titanium dioxide diamonds and molybdenum disulfide. In detection, the alkaline phosphatase can catalyze L-ascorbic acid-2-trisodium phosphate AAP to in situ generate L-ascorbic acid AA and further can provide an electron donor for photoelectric detection, the light current intensity can be correspondingly reduced through the effect of quantitative combination of specificity of the antibody and antigen to electronic transmission capacity, and finally construction of the biosensor for detecting chloramphenicol through an mark-free photoelectric chemical method is achieved.
Owner:UNIV OF JINAN

Preparation method of photoelectrochemical furazolidone sensor based on dual metal co-doped two-dimensional photosensitizer

The invention discloses a preparation method of a photoelectrochemical furazolidone sensor, and belongs to the technical fields of novel nano functional materials and biosensors. According to the preparation method, a novel dual metal co-doped two-dimensional photosensitizer is prepared at first, namely, iron and manganese co-doped titanium dioxide nano blocks and molybdenum disulfide carry out in-situ synthesis to generate a two-dimensional nano composite material (FeMn-TiO2 / MoS2), which has a good biocompatibility and large specific area, then a furazolidone antibody is loaded on the two-dimensional nano composite material, alkaline phosphatase is fixed on the two-dimensional nano composite material; when the photosensitizer is used for detection, alkaline phosphatase can catalyze L-ascorbic acid-2-phosphate trisodium salt (AAP) to generate L-ascorbic acid (AA) in-situ; thus electron donors are provided for photoelectric detection; due to the influence of specific and quantitative combination between antibody and antigen on the electron transmission performance, the photoelectric current strength is correspondingly reduced, and finally a photoelectric sensor for detecting furazolidone through a label-free photoelectric method is manufactured.
Owner:UNIV OF JINAN

Preparation method of two-dimensional nano-photocatalyst

The invention discloses a preparation method of a photocatalyst with the advantages of no precious metal doping, low cost, simple preparation and high photocatalytic activity. The method is characterized in that the two-dimensional nano-sheet photocatalyst Mn-TiO2 / MoS2 is prepared through a one-pot technology by in-situ compounding of a manganese doped titanium dioxide nanosheet material to a manganese intercalated molybdenum disulfide nanosheet. The prepared Mn-TiO2 / MoS2 can be applied to the fields of photocatalytic water decomposition for producing hydrogen, photocatalytic degradation of organic pollutants and production of solar photovoltaic cells. The invention belongs to the technical fields of novel functional nano-materials and green energy.
Owner:UNIV OF JINAN

Photoelectrochemical ethinylestradiol immunosensor based on two-dimensional multi-metal composite nanomaterial, preparation and application thereof

The invention discloses a photoelectrochemical ethinylestradiol immunosensor based on two-dimensional multi-metal composite nanomaterial, preparation and application thereof. According to the preparation method, firstly electrodeposition process is employed to modify the two-dimensional nanomaterial g-C3N4 on ITO conductive glass, then a hydrothermal process is employed for in situ growth of cerium cobalt hydroxide, and then a g-C3N4 loaded boron doped cerium cobalt oxide Bi@CexCo1-xO3 / g-C3N4 modified working electrode can be prepared. Finally, the good biocompatibility and large specific surface area of the material are utilized for loading the ethinylestradiol antobody. During detection, the boron doped cerium cobalt oxide Bi@CexCo1-xO3 can catalyze L-ascorbic acid-2-trisodium phosphate salt AAP for in situ production of L-ascorbic acid AA, thus providing an electron donor for photoelectric detection, and then by means of the influence caused by specific quantitative binding of the antibody and antigen on electron transmission ability, the photocurrent intensity decreases along with the increasing of antigen binding amount, and ultimately construction of the photoelectric sensor for detection of ethinylestradiol by an unmarked photoelectrochemical method can be achieved.
Owner:山东利源康赛环境咨询有限责任公司

Photo-electrochemical diethylstilbestrol biosensor constructed based on boron-doped poly-metallic oxide as well as preparation and application thereof

The invention discloses a photo-electrochemical diethylstilbestrol biosensor constructed based on a boron-doped poly-metallic oxide as well as preparation and application thereof. In a preparation method, firstly, a two-dimension nano material g-C3N4 is modified on ITO conductive glass by adopting an electro-deposition method; then, an iron cobalt hydroxide is subjected to in-situ growth by adopting a hydrothermal method, and further, a working electrode modified by a g-C3N4-loaded boron-doped iron cobalt oxide Bi@NixFe1-xO3 / g-C3N4 is obtained; finally, a diethylstilbestrol antibody is loaded by utilizing good biocompatibility and large specific surface area of the material. During detection, as the boron-doped iron cobalt oxide Bi@NixFe1-xO3 / g-C3N4 can catalyze L-ascorbic acid-2-trisodium phosphate AAP, L-ascorbic acid AA is generated in situ, and further, an electron donor is provided for photoelectric detection; by utilizing the effect of specific quantitative binding of the antibody and an antigen on electronic transmission capacity, the photocurrent strength is correspondingly reduced, and the construction of a photoelectric sensor for detecting diethylstilbestrol by adopting an unmarked photo-electrochemical method is finally realized.
Owner:山东利源康赛环境咨询有限责任公司

A photoelectrochemical diethylstilbestrol biosensor based on boron-doped multi-element metal oxides and its preparation and application

The invention discloses a photo-electrochemical diethylstilbestrol biosensor constructed based on a boron-doped poly-metallic oxide as well as preparation and application thereof. In a preparation method, firstly, a two-dimension nano material g-C3N4 is modified on ITO conductive glass by adopting an electro-deposition method; then, an iron cobalt hydroxide is subjected to in-situ growth by adopting a hydrothermal method, and further, a working electrode modified by a g-C3N4-loaded boron-doped iron cobalt oxide Bi@NixFe1-xO3 / g-C3N4 is obtained; finally, a diethylstilbestrol antibody is loaded by utilizing good biocompatibility and large specific surface area of the material. During detection, as the boron-doped iron cobalt oxide Bi@NixFe1-xO3 / g-C3N4 can catalyze L-ascorbic acid-2-trisodium phosphate AAP, L-ascorbic acid AA is generated in situ, and further, an electron donor is provided for photoelectric detection; by utilizing the effect of specific quantitative binding of the antibody and an antigen on electronic transmission capacity, the photocurrent strength is correspondingly reduced, and the construction of a photoelectric sensor for detecting diethylstilbestrol by adopting an unmarked photo-electrochemical method is finally realized.
Owner:山东利源康赛环境咨询有限责任公司

A photoelectrochemical ethinyl estradiol immunosensor based on two-dimensional multicomponent metal composite nanomaterials and its preparation and application

The invention discloses a photoelectrochemical ethinylestradiol immunosensor based on two-dimensional multi-metal composite nanomaterial, preparation and application thereof. According to the preparation method, firstly electrodeposition process is employed to modify the two-dimensional nanomaterial g-C3N4 on ITO conductive glass, then a hydrothermal process is employed for in situ growth of cerium cobalt hydroxide, and then a g-C3N4 loaded boron doped cerium cobalt oxide Bi@CexCo1-xO3 / g-C3N4 modified working electrode can be prepared. Finally, the good biocompatibility and large specific surface area of the material are utilized for loading the ethinylestradiol antobody. During detection, the boron doped cerium cobalt oxide Bi@CexCo1-xO3 can catalyze L-ascorbic acid-2-trisodium phosphate salt AAP for in situ production of L-ascorbic acid AA, thus providing an electron donor for photoelectric detection, and then by means of the influence caused by specific quantitative binding of the antibody and antigen on electron transmission ability, the photocurrent intensity decreases along with the increasing of antigen binding amount, and ultimately construction of the photoelectric sensor for detection of ethinylestradiol by an unmarked photoelectrochemical method can be achieved.
Owner:山东利源康赛环境咨询有限责任公司

A kind of preparation method of cobalt-doped two-dimensional nanometer photocatalyst

The invention discloses a method for preparing a cobalt-doped two-dimensional nano photocatalyst without noble metal doping, low cost, simple preparation and high photocatalytic activity. In this method, cobalt-doped titania nanosheets were in situ compounded on cobalt-intercalated molybdenum disulfide nanosheets, and cobalt-doped two-dimensional nanophotocatalysts were in situ compounded molybdenum disulfide in cobalt-doped titania nano-squares. The two-dimensional nanocomposite Co‑TiO2 / MoS2. The prepared Co‑TiO2 / MoS2 can be applied in the fields of photocatalytic water splitting for hydrogen production, photocatalytic degradation of organic pollutants, and preparation of solar photovoltaic cells. The invention belongs to the technical field of novel nano functional materials and green energy.
Owner:UNIV OF JINAN

A photoelectrochemical sensor for estradiol based on boron-doped iron-cobalt oxide two-dimensional nanocomposite and its preparation and application

The invention discloses a photoelectrochemical sensor for estradiol based on a boron-doped iron cobalt oxide two-dimensional nano composite material as well as a preparation method and application of the photoelectrochemical sensor. The preparation method comprises the following steps: firstly, modifying a two-dimensional nano material g-C3N4 on ITO (Indium Tin Oxide) conductive glass by adopting an electrodeposition method; secondly, carrying out in-situ grown of iron cobalt oxide by adopting a hydrothermal method, and further preparing to obtain a working electrode loaded with the g-C3N4, doped with boron and modified by the iron cobalt oxide Bi@Fe*Co<1->*O3 / g-C3N4; finally, loading an estradiol antibody by using good biocompatibility and large specific surface area of the material. During detection, L-ascorbic acid-2-trisodium phosphate (AAP) can be catalyzed by boron-doped iron cobalt oxide Bi@Fe*Co<1->*O3 to generate L-ascorbic acid AA in situ, further an electron donor is provided for photoelectric detection, and then photocurrent intensity is correspondingly reduced by using the influence of specific combination of the antibody and antigen on electronic transmission capacity; finally, the construction of the photoelectrochemical sensor for the estradiol by adopting a mark-free photoelectrochemical detection method is realized.
Owner:山东利源康赛环境咨询有限责任公司

A bisphenol A photoelectrochemical sensor based on carbon nitride-binary metal boron oxide composite material and its preparation and application

The invention discloses a carbon nitride-binary metal boron oxide composite material-based bisphenol A photochemical sensor and preparation and application thereof. The preparation comprises the steps of firstly modifying a two-dimensional nano material g-C3N4 on ITO conductive glass by adopting an electrodeposition method; growing nickel-cobalt hydroxide in situ by adopting a hydrothermal method to prepare a g-C3N4-loaded and boron-doped nickel-cobalt oxide Bi@NixCo<1-x>O3 / g-C3N4-modified working electrode; and finally loading a bisphenol A antibody by adopting good biocompatibility and large specific surface area of the material, thereby completing preparation of the bisphenol A photochemical sensor. When the detection is implemented, L-ascorbic acid-2-trisodium phosphate APP can be catalyzed by the boron-doped nickel-cobalt oxide Bi@NixCo<1-x>O3 to generate the L-ascorbic acid AA in situ, so that an electron donor is provided for photoelectric detection, the photocurrent strength is correspondingly reduced by utilizing the influence on the electronic transmission capability caused by the specificity quantitative combination of the antibody and antigen, and construction of a photoelectric sensor for detecting the bisphenol A by using an unmarked photoelectrochemical technique is finally achieved.
Owner:山东利源康赛环境咨询有限责任公司
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