77 results about "Electron system" patented technology

The invention relates to a method of modulating poly(ADP-ribose)polymerase-1 (PARP-1) activity in a mammal comprising administering to a mammal an effective amount of an organic aromatic compound having from 4 to about 35 carbon atoms, wherein said organic aromatic compound is capable of binding the arginine-34 moiety located in Zinc finger-1 of the PARP-1 enzyme and wherein said organic aromatic compound has electron donating capabilities such that it's π-electron system will interact with the positively charged (cationic) guanidinium moiety of the specific arginine-34 residue of the Zinc-1 finger of PARP-1 and does not contain benzamide or lactam substituents. In particular, substituted benzopyrones and substituted indoles and their pharmaceutical compositions containing such compounds that modulate the activity of PARP-1, are described. The invention is also directed to the composition of matter, kits and methods for their therapeutic and/or prophylactic use in treating diseases and disorders described herein, by administering effective amounts of such compounds. Preferably, the compositions and methods provided herein inhibit PARP activity.

The invention discloses a strong correlation electron system-based organic solar cell and a preparation method thereof. The organic solar energy cell comprises a positive pole, a hole buffer layer, a photoactive layer and a negative pole, and is characterized in that: the organic solar energy cell also comprises an electron buffer layer which is arranged between the photoactive layer and the negative pole and is made of a material which is strong correlation electron system compound; and by using the property that the strong correlation electron system compound performs insulating state to metal state conversion when injected with charges, the organic solar energy cell improves the electron transmission capacity at the position of the interface between an organic layer and an inorganic electrode, thereby improving the short circuit current Isc and power conversion efficiency PCE of a device, preventing the damages caused by a deposited metal cathode to the organic layer, reducing the drawbacks of the device, suppressing the degradation of the device; and compared with the common LiF electronic buffer layer, the electronic buffer layer of the invention has the advantages of simple and convenient manufacturing process, easy control and excellent device performance.

A method for altering the electronic and optical properties of a chemical compound having a band gap and a framework that includes π-delocalized electrons. The method includes complexing a Lewis acid to a basic site within the framework to form a Lewis acid adduct having a band gap that differs from the band gap of the chemical compound. The λ_max of the Lewis acid adduct can be shifted to a longer wavelength in comparison to the λ_max of the chemical compound. In various versions, the chemical compound can be a conjugated oligomer, a conjugated polymer, or a small molecule comprising a conjugated π-electron system. Electronic devices that include Lewis acid adducts are also provided.

A pneumatic thermal loading simulation test device for thermal shielding materials comprises a stainless steel environmental chamber, two heating copper electrodes, a single/double colored infrared thermometer, a power supply secondary system, a gas supply secondary system, a vacuum extraction secondary system, a cooling cycle secondary system and a programmable logic controller (PLC) system. The stainless steel environmental chamber is fixed on the ground through supports and insulated from the ground. Three observation windows are arranged on the stainless steel environmental chamber, and the two heating copper electrodes are connected with the power supply secondary system through cables. A gas sprayer is arranged above thermal shielding material samples, and the vacuum extraction secondary system adjusts pressure in the stainless steel environmental chamber. The power supply secondary system is connected with an industrial power wire net. The heating copper electrodes are hollow and connected with the cooling cycle secondary system for cooling in water-cooling mode. The thermal shielding material samples are fixed between the two heating copper electrodes through a copper fixture. The single/double colored infrared thermometer is connected with the PLC system in electric signals mode. The pneumatic thermal loading simulation test device is simple to operate, wide in adjustment range, low in cost, and can be applied to principle researches of pneumatic thermal loading of the thermal shielding materials.

This invention discloses a deep soft soil reinforce method. Its construction steps includes:(1)the vacuum well point declines water (2) vacuum electricity declines a water : vertically plugs electricity tube in a vacuum tube wells inside, installs electric system for vacuum tube wells and electron system the cathode connecting, electron and electron pipe system connecting to form the anode DC circuit; (3) low-energy strong ramming; (4) vibrating roll, flat ground; (5) adding concrete-pile : machine drills hole, adapting tube pump concrete for the construction technology-concrete composite construction of the foundations; (6) lays cushion : concrete pile in the top layer structure and the site uses static compaction cushion construction. This invention by vacuum precipitation and-concrete pile combination of approaches to achieve the reinforcement of the deep soft ground, breakthroughs in the tradition of deep soft soil to use reinforced concrete piles in the traditional concept and reduces the construction cost.

An electronic device including a first conducting layer, a second conducting layer, and an insulating layer provided between the conducting layers. At least one side wall extends from the first conducting layer to the second conducting layer and includes at least a portion of the first conducting layer, the second conducting layer and the insulating layer. A bias voltage is applied between the first and second conducting layers, wherein responsive to the bias voltage, a two dimensional electron system is induced at least in one of the first conducting layer and the second conducting layer, and wherein electrons from the two dimensional electron system are emitted from the side wall side wall as a result of Coulombic repulsion and travel in air from the one of the first conducting layer and the second conducting layer to the other of the first conducting layer and the second conducting layer.

The invention relates to a polyester film incorporating at least one UV stabilizer of the formula I,

in which

• R¹ is hydrogen, alkyl, alkenyl, cycloalkyl, cycloalkenyl, heterocycloalkyl, aryl, or heteroaryl, and
• R² is a moiety which contains at least one π-electron system, which contains a carbon atom and at least one further atom selected from carbon, oxygen, and nitrogen, where the moiety R² contains at least one atom different from carbon,

where the film includes at least one further UV absorber which does not correspond to the formula I. The invention further relates to a process for producing the film, and also to articles formed from the film.

The invention discloses a liquid crystal compound containing 4-(biphenyl acetenyl)-1,8 naphthalimide, a preparing method and application. Solubility of molecules in mixed liquid crystal is improved by the compound, the linear structure of the molecules is enhanced, and the dichroism of the liquid crystal compound is improved; a push-drawing electron system is formed through high-delocalization electrons on a benzene ring and electron-withdrawing capacity of bisamide bonds. The maximum emission wavelength of the liquid crystal compound in dichloromethane is 502 nm, the liquid crystal compound emits glaucous fluorescence, the fluorescence quantum yield is 0.88, high dichroic ratio and order parameters are represented in liquid crystal, and the liquid crystal compound serving as guest liquid crystal dye can be used for manufacturing a liquid crystal display product particularly a guest-host type liquid crystal displayer. The liquid crystal compound has a typical nematic phase within the temperature range of 160-250 DEG C, and birefringence of a liquid crystal body can be improved by adding the liquid crystal compound into smectic phase liquid crystal, or nematic phase liquid crystal or cholesteric phase liquid crystal.

This invention relates to one mobile healthy management electron system, which comprises one dialogue platform, one conversion platform and one communication platform, wherein, the dialogue platform is to supply one doctor with one user medical dialogue to record materials; the conversion platform is coupled to the dialogue platform to convert the medical materials to at least one mobile information and one progress materials; the said communication interface is coupled to the conversion platform to send at least one mobile information to one mobile electron device of the user.

The present invention relates to coating material compositions comprising at least one polyhydroxyl group-containing compound (A), at least one polyisocyanate group-containing compound (B) having free and/or blocked isocyanate groups, and at least one catalyst (D) based on a zinc-amidine complex which is preparable by reaction of 1.0 moles of at least one zinc(II) biscarboxylate with 2.0 moles of at least one amidine

where R₅=hydrogen and R₁, R₂, R₃, and R₄ are each identical or different radicals, R₁ and R₃ being hydrogen or an alkyl radical or an aryl radical, and R₂ and R₄ being an alkyl radical or an aryl radical,

characterized in that the coating material composition further comprises at least one monomeric aromatic, optionally substituted carboxylic acid (S) whose carboxyl group is in conjugation with a π-electron system.

The invention discloses a copper selenide-polydopamine-graphite phase carbon nitride adsorption-catalysis composite material, and a preparation method and application thereof to pollutant treatment, and belongs to the technical field of photocatalytic materials. Copper selenide is a good semiconductor material, and because of a wide band gap of the copper selenide, sunlight can be better absorbed.Graphite phase carbon nitride has good thermal stability, stable chemical and optical properties, and a large specific area, and the adsorption performance of the graphite phase carbon nitride is increased. The polydopamine has a large number of hydrophilic hydroxyl and amino functional groups, surface charge of the polydopamine can be regulated by protonation and deprotonation, the hydrophilia and an abundant pi electronic system of the polydopamine easily form strong pi-pi accumulation with a benzene ring, and has high adsorption on a compound containing aromatic nucleus, and meanwhile, andthe polydopamine can accelerate separation and transfer of photo-induced electrons and protons, reduce electron-hole recombination and improve the efficiency of a catalytic reaction. Under the same conditions, the copper selenide-polydopamine-graphite phase carbon nitride adsorption-catalysis composite material exhibits higher photocatalytic adsorption property than the copper selenide and copperselenide-polydopamine nanomaterials.

The invention provides a composite, a manufacturing method of a composite, an active material for a nonaqueous electrolyte battery, and a nonaqueous electrolyte battery, wherein the composite exhibits an excellent capacity maintaining rate. According to one embodiment, there is provided a composite (10). The composite (10) comprises graphene sheet material (13), active material particles (11), and a carbon layer (12) located between the graphene sheet material (13) and the active material particles (11). The graphene sheet material (13) a planar graphene sheet of a monoatomic layer or a laminate of 10 layers or less of the planar graphene sheets. The active material particles (11) include a titanium-niobium composite oxide. The carbon layer (12) includes a carbon material having a [pai]-electron system.

An organic material having at least one aromatic conjugated π-electron system is selected. The purity of the organic material is improved by purification, and a conduction mechanism of the organic material is confirmed by a time-of-flight method, whereby a liquid phase of the organic material is usable as an organic semiconductor. A method that enables the usage of a liquid phase of an organic material as an organic semiconductor is provided. The method involves confirming the electronic conduction of the organic material having at least one aromatic conjugated π-electron system by evaluation of a charge transport property using a time-of-flight method, and by evaluation of a dilution effect caused by addition of a diluent.

The present invention provides a photochromic compound that is colored when irradiated with visible light and quickly faded when set in a dark place. The photochromic compound according to the present invention is expressed by the following general formula (I):

where each of A₁, A₂ and A₃ is a five-member rings forming a 6π-electron system, the three rings being identical, partially identical or totally different from each other, and each ring may have a substituent; B₁ and B₂ are functional groups, each having an atomic number of five or larger, including a ring compound, and bonded to the 2-carbon of each of A₂ and A₃, respectively; and R₁, R₂ and R₃ are substituents identical to or different from each other. This compound is highly colorable and durable even when it is dispersed into plastic macromolecular materials. Therefore, it is suitable as a dye material for sunglasses or similar products.

This invention discloses one electron system by use of electron currency payment down, which comprises electron payment media, settlement center and object release system to fulfill the rent payment, wherein, the system comprises the following parts: electron payment media composed of each electron currency payment platform and object lease system composed of identification module and down process module, wherein, the identification module is to identify the electron payment media; the down process modules to refund the funds; the settlement center composed of electron payment to fulfill the down receive and refund process through electron currency form accordingly.

The invention discloses a compound used as a dye sensitizing agent of a solar cell and a preparation method thereof, belonging to a sensitizing agent material field. The compound is meso-5, 10, 15, 20-tetra(2, 2':5', 2''-terthiophene)porphyrin (TTTP). The preparation method is simple in operation and convenient in purification. The compound is mainly used as a sensitizing agent of the dye sensitizing solar cell, and is a 'D-A-D' three-unit compound composed of trithiophene and porphyrin structures. Because of the coupling reaction of the trithiophene by an electron oxidation reaction, trithiophene can be used as a coupling reaction unit and an electron donor (D); and because the porphyrin is a conjugated macrocyclic compound comprising an 18 electron system formed by connecting methylenes of four pyrrole rings, the porphyrin is used as a photoabsorption and an electron acceptor (A). The compound has good chemical stability, and can effectively raise the photoelectric conversion efficiency of the solar cell after the dye sensitizes the solar cell.

Disclosed are coating material compositions comprising at least one polyhydroxyl group-containing compound (A), at least one polyisocyanate group-containing compound (B) having free and/or blocked isocyanate groups, at least one catalyst (D) based on a zinc-amidine complex which comprises the reaction product of 1.0 moles of at least one zinc(II) biscarboxylate with more than 2.0 moles of at least one amidine

where R₅=hydrogen and R₁, R₂, R₃, and R₄ are each identical or different radicals, R₁ and R₃ being hydrogen or an alkyl radical or an aryl radical, and R₂ and R₄ being an alkyl radical or an aryl radical, and at least one monomeric aromatic, optionally substituted carboxylic acid (S) whose carboxyl group is in conjugation with a π-electron system.