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30 results about "Molecular charge" patented technology

Quaternized chitosan/siRNA (small interfering Ribonucleic Acid) composite particles and preparation method thereof

The invention discloses quaternized chitosan / siRNA (small interfering Ribonucleic Acid) composite particles and a preparation method thereof. Electrostatic interaction between a quaternary ammonium group with positive charges and a siRNA molecule with negative charges on quaternized chitosan is used as driving power; molecule self-assembly is initiated in a water phase through vortex oscillation; and the high-bioactivity quaternized chitosan / siRNA composite particles with controllable size and surface charge are prepared by adjusting and controlling parameters such as molecular charge ratio, incubation temperature and incubation time. According to the quaternized chitosan / siRNA composite particles and the preparation method thereof, the quaternized chitosan is used as a siRNA transfer carrier, and the material has low cytotoxicity, wide source and low cost; a preparation process of the composite particles has mild conditions and is simple and practical; and the bioactivity of the siRNA can be effectively kept. The siRNA used for preparing the composite particles can be effectively intaken by cells and a mum effect of the target gene can be induced aiming at specific design of a target gene; and the composite particles have good application prospect in the fields of cancer treatment, tissue regeneration and repair and the like.
Owner:ZHEJIANG UNIV

Soil Stabilization Composition and Methods for Use

A soil stabilization composition is provided. The soil stabilization composition includes sulfuric acid, citric acid, phosphoric acid, nonlyphenol90, and water. The soil stabilization composition is capable of changing the molecular charges of swelling clays to resist water absorption rather than to attract water due to the positive / negative charges related to them. This ionic exchange prevents the clay from swelling making the clay more stable to build on.
Owner:GREEN RODNEY

Flexible circuit three-dimensional printing device for high-molecular liquid-state metal co-printing

The invention discloses a flexible circuit three-dimensional printing device for high-molecular liquid-state metal co-printing. The flexible circuit three-dimensional printing device comprises a mounting framework, a coaxial spray head mounted in the mounting framework, a material supply device, a receiving device and a three-dimensional motion mechanism for driving the coaxial spray head to perform three-dimensional motion relative to the receiving device, and further comprises an auxiliary curing device which synchronously moves with the coaxial spray head to spray printed and discharged materials. The flexible circuit three-dimensional printing device is characterized in that the coaxial spray head comprises inner and outer liquid-state metal charge cavity and high-molecular charge cavity which are independent from each other, and an inner spray head and an outer spray head which communicate with corresponding guide cavities separately and are coaxially arranged. XYZE four-axis motion is utilized for realizing printing of a three-dimensional structure, and the auxiliary curing device, a heating device and a bearing unit convenient for separating printed products solve the problem that a silica gel material is difficult in curing and is difficult to separate. The flexible circuit three-dimensional printing device is convenient to operate, and can quickly and directly print out a complete three-dimensional flexible circuit structure with liquid-state metal therein.
Owner:ZHEJIANG UNIV

Process and compositions for the purification of water

Process for water purification and for the separation of beneficial materials that are obtained from an aqueous solution, comprising determining a turbidity index and adding to the water or to said solution a composition comprising one or more natural or mixtures of natural substances, chosen from the group consisting of substances having a cationic molecular charge and substances having an anionic molecular charge, in an amount determined as a function of said turbidity index, thereby, allowing water purification and the aggregation of said beneficial materials
Owner:DEAD SEA MEDICA

Application method of ratio-type cyanide ion fluorescent probe molecule

InactiveCN103134787ATo achieve specific identificationHigh electron deficiencyFluorescence/phosphorescenceFluoProbesFluorescence
The invention relates to an application method of a ratio-type cyanide ion fluorescent probe molecule. The invention belongs to the technical field of anion detection. The method is characterized in that the method is an application of a ratio fluorescent probe molecule, which is 1,2,2,3-tetramethyl-4,5-benzoindoline, used in cyanide ion detection. The probe molecule is obtained by a one-step process of periodic methane alkylation of 2,3,3-trimethyl-4,5-benzindole. In a system where DMF:H2O=1:1 (V / V), the probe molecule is excited by using 320nm light, and emission occurs at 461nm. When cyanide ion is added, intra-molecular charge transfer (ICT) process is broken, emission peak at 461nm is reduced, and new emission peak occurs at 425nm. Therefore, solution fluorescence is turned from bluish green to deep blue. In a system wherein cyanide ion coexists with other anions, the probe molecule shows high interference resistance, high specificity, and high sensitivity.
Owner:TAIYUAN UNIV OF TECH

Biological systems and methods for air purification

PendingUS20210154619A1Efficiently lowers level of every kind of air pollutionHigh energy consumptionAir-treating devicesGas treatmentMicroorganismAir contaminant
The present invention relates to a device and a method associated with the device. With respect to the device, it is a biological Air Purifier, which captures air contaminants without limit of size and type by “electric molecular charge attraction” and then digests the captured contaminants by bio-oxidation by means of a microorganism compound additive.
Owner:U EARTH BIOTECH LTD

Modified peptides with antiviral properties and methods for obtaining them

This invention may be used in human and veterinary medicine for the creation of a drug that is effective perorally in the treatment of many viral infections, such as influenza, herpes, and cytomegalovirus.Summary of the InventionModified peptides with antiviral properties and methods for obtaining them, distinct in that in the capacity of the main active ingredient, a mixture (assembly) of oligopeptides is used that are the products of the hydrolysis of proteins with changes in their molecular charges to the opposite are used, and to obtain them, first a partial hydrolysis of protein-containing raw material is conducted, and then a process of chemical modification of the quantity of oligopeptides obtained with a change in the charge to the molecules is conducted; this is used as an antiviral vehicle for the composition of the oligopeptides obtained. This quantity of modified oligopeptides is capable of slowing down the activity of the heterodimer of b-importin cells and slowing the replication of viruses whose replication cycle depends on the function of the nucleus.An assembly of modified oligopeptides based on a quasi-life, dynamic, self-organizing system that is effective in the treatment of viral infections such as influenza, herpes, and animal viruses at all stages of the development of the infectious process where other drugs are ineffective. This drug has a wide spectrum of activity and a low level of toxicity; it is accessible for industrial production and effective at any stage of the viral replication cycle that depends on cell nuclei.
Owner:MARTYNOV ARTUR +2

Fluorenyl-carborane photoelectric material as well as preparation method and application thereof

The invention discloses a fluorenyl-carborane photoelectric material as well as a preparation method and application thereof. The fluorenyl-carborane photoelectric material is a carborane organic photoelectric material based on intramolecular charge transfer intelligent regulation and control and has a fluorenyl-carborane conjugated asymmetric o-A structure. The general formula of the chemical structure of the material is shown in the specification, the main structure skeleton of the material is donor-acceptor configuration, fluorenyl is an electron donor, o-carborane is an electron acceptor,and the photoluminescence behavior of the material is accurately adjusted by virtue of molecular charge transfer. Under the stimulation of external conditions, the material has multiple light-emittingbehaviors comprising aggregation-induced emission, crystallization-induced emission, circular polarization emission and room-temperature phosphorescence, which are related to the asymmetric donor-acceptor conformation. The material has a wide application prospect in the fields of information storage, 3D display, anti-counterfeiting marks, 3D glasses, induction, biological imaging, light emittingdevices and the like.
Owner:NANJING UNIV OF POSTS & TELECOMM

Multifunctional recovery physiotherapy instrument of novel polarization oscillation wave depth thermotherapy

The present invention discloses a multifunctional recovery physiotherapy instrument of novel polarization oscillation wave depth thermotherapy. The multifunctional recovery physiotherapy instrument comprises a high frequency oscillation generator connected with a hand-held electrode and a pedal electrode, and an oscillation wave is introduced from the feet, the hands or other parts of a human body via the electrodes, so that a polarization oscillation energy wave similar to the pulse discharge between the capacitor plates is formed between the two electrodes, and accordingly, the human body cell molecular charges generate a polarization displacement heat effect to form the depth thermotherapy. The heat is generated by the cell resonance, so that the body depth heating is more uniform, the human body does not feel discomfort when the temperature in the body rises to 42 DEG C, and the body lesion location can be heated directionally and effectively, and accordingly, the unique effects of killing viruses, eliminating inflammation, restraining tumors and cancer cells, etc., are realized. The multifunctional recovery physiotherapy instrument can be widely suitable for the treatment of various inflammations and tumors, is small in size and remarkable in curative effect, is simple and convenient to use and operate, is safe and reliable, is suitable for being used at the places, such as the hospitals, the health centers, nursing homes, etc., and has a great practical value.
Owner:江门市富美康保健仪器科技有限公司

Pre-wash composition for clean benefit

The present invention discloses a pre-wash composition having from about 0.1% to about 12.0% of a sebum modifier material or mixture of sebum modifier materials, wherein the sebum modifier material has the following physical properties: i.) Molecular charge surface area higher than −8; and ii.) Shadow length greater than 18; from about 88 wt. % to about 99.9 wt. % water carrier; and from about 0.1 wt. % to about 5 wt. % emulsifier selected from the group consisting of anionic, non-ionic, cationic and amphoteric.
Owner:THE PROCTER & GAMBLE COMPANY

AIE photosensitizer with different positive charges as well as preparation method and antibacterial application thereof

The present invention relates to photosensitizers having aggregation-induced emission (AIE) properties and efficient singlet oxygen generation. They have a maximum absorption peak in the visible region of about 490 nm, with dark red / near infrared emission (> 650 nm). The antibacterial performance can be improved by adjusting the number of molecular charges of the AIE photosensitizer. The AIE photosensitizer provided by the invention can selectively image and kill bacteria, and does not influence mammalian cells. Under the irradiation of white light, the AIE photosensitizer with two positive charges has good antibacterial performance on gram-negative bacteria and gram-positive bacteria; in a dark field, the AIE photosensitizers with two positive charges also have good antibacterial performance on gram-positive bacteria. The AIE photosensitizer with a positive charge is an efficient antibacterial agent for gram-positive bacteria, and can efficiently inhibit the proliferation of gram-positive bacteria in mammalian cells in a dark field.
Owner:THE HONG KONG UNIV OF SCI & TECH

Diamine monomer containing pyrazine structure and preparation method thereof, polyimide containing pyrazine structure and preparation method thereof

ActiveCN108947918AEnhanced UV-visible light transmittanceReduce molecular chain close packingOrganic chemistrySolubilityPyrazine
The invention provides a diamine monomer containing a pyrazine structure as shown in formula I. In polyimide prepared from the diamine monomer, the electron affinity can be enhanced due to the existence of nitrogenous aromatic rings, so that the electron transmission property is improved, the intermolecular and intra-molecular charge transfer interaction of polyimide is weakened and the ultraviolet visible light transmittance of polyimide is enhanced; a lateral group is introduced into the diamine monomer containing the pyrazine structure, so that the mechanical properties and thermal properties of polyimide are not damaged while dense accumulation of molecular chains of polyimide is effectively reduced and solubility of polyimide in an organic solvent is enhanced; according to the disclosure of embodiments, the polyimide prepared from the diamine monomer containing the pyrazine structure provided by the invention has high heat stability, high mechanical strength, higher photo-permeability, excellent solubility and wide application value in the photoelectric field.
Owner:JILIN UNIV

Bifunctional fluorescent probe for detecting Pd concentration and pH value as well as preparation and application thereof

The invention discloses a bifunctional fluorescent probe capable of respectively detecting a pH value and a Pd0 concentration, and the structural formula of the bifunctional fluorescent probe is shownas a formula (I): 1,8-naphthalimide is used as a fluorescent parent nucleus, and the pH value and the Pd0 concentration can be respectively detected through the combination of two fluorescent light-emitting mechanisms: photo-induced electron transfer and intra-molecular charge transfer.
Owner:TAIZHOU UNIV

A kind of dianilino-three polyindene-bodipy derivative ternary system organic dyes and its preparation method and application

The present invention relates to a class of diphenylamino-tripolyindene-BODIPY derivative ternary system organic dyes and a preparation method and application thereof. The BODIPY derivatives modified at positions 3 and 5 are covalently bonded with diphenylamine derivatives through chemical reactions. They are respectively connected to the 2, 7, and 12 positions of trisindene to form a D-A-π-D molecular system. The introduction of diphenylamine is conducive to the delocalization of π electrons, and promotes intramolecular charge transfer, thereby improving the photoelectric conversion of organic dye molecules. Efficiency; the organic dye provided by the invention has strong light absorption ability and can effectively dissociate excitons; the synthesis method provided by the invention is simple, the reaction conditions are mild, the selectivity is good, and the environmental pollution is small; it can be used in organic solar energy Good results have been obtained in batteries, and the photoelectric conversion efficiency can reach 13.32%. The organic dye can be used in the field of solar batteries.
Owner:NANJING FORESTRY UNIV

Fluorescent probes and their applications

The invention provides a fluorescent probe and its application. The probe has a donor-π-acceptor electronic structure, has twisted intramolecular charge transfer and aggregation-induced luminescence properties, and can be excited by two-photons. It overcomes the self-absorption problem caused by the large background and small Stokes shift of commercial lipid droplet fluorescent dyes, and has good biocompatibility, high brightness, low background and good photostability. At the same time, the present invention utilizes the two-photon excitation process, which can reduce autofluorescence, increase signal-to-noise ratio, improve three-dimensional resolution and photostability; the probe proposed by the present invention can be applied to lipid droplet imaging of various cells and tissue slices.
Owner:THE HONG KONG UNIV OF SCI & TECH

A kind of bifunctional fluorescent probe for detecting pd concentration and pH value and its preparation and application

The application discloses a method that can detect pH value and Pd respectively 0 concentration of the bifunctional fluorescent probe, the structural formula is as shown in formula (I): the bifunctional fluorescent probe of the present application uses 1,8-naphthoimide as the fluorescent mother nucleus, through the two methods of photoinduced electron transfer and intramolecular charge transfer. The combination of two fluorescent light-emitting mechanisms can detect pH and Pd separately. 0 concentration.
Owner:TAIZHOU UNIV

Vaccines with increased immunogenicity and methods for obtaining them

Vaccines with increased immunogenicity, distinct in that in the capacity of a specific immunogenic component, whole vaccine antigens or vaccine antigens that have been cut into oligomer fragments are used; the mixture (assembly) of oligomer fragments or whole antigen obtained is modified by changing its molecular charge to the opposite.
Owner:MARTYNOV ARTUR +2

A new type of multifunctional rehabilitation physiotherapy instrument for deep hyperthermia with polarized oscillatory waves

The present invention discloses a multifunctional recovery physiotherapy instrument of novel polarization oscillation wave depth thermotherapy. The multifunctional recovery physiotherapy instrument comprises a high frequency oscillation generator connected with a hand-held electrode and a pedal electrode, and an oscillation wave is introduced from the feet, the hands or other parts of a human body via the electrodes, so that a polarization oscillation energy wave similar to the pulse discharge between the capacitor plates is formed between the two electrodes, and accordingly, the human body cell molecular charges generate a polarization displacement heat effect to form the depth thermotherapy. The heat is generated by the cell resonance, so that the body depth heating is more uniform, the human body does not feel discomfort when the temperature in the body rises to 42 DEG C, and the body lesion location can be heated directionally and effectively, and accordingly, the unique effects of killing viruses, eliminating inflammation, restraining tumors and cancer cells, etc., are realized. The multifunctional recovery physiotherapy instrument can be widely suitable for the treatment of various inflammations and tumors, is small in size and remarkable in curative effect, is simple and convenient to use and operate, is safe and reliable, is suitable for being used at the places, such as the hospitals, the health centers, nursing homes, etc., and has a great practical value.
Owner:江门市富美康保健仪器科技有限公司

Electronic Device Having an Electrode With Enhanced Injection Properties

An electronic device having an electrode with enhanced injection properties comprising a first electrode and a first layer of cross-linked molecular charge transfer material on the first electrode. The cross-linked molecular charge transfer material may be an acceptor, which may consist of at least one of: TNF, TN9(CN)2F, TeNF, TeCIBQ, TCNB, DCNQ, and TCAQ. The cross-linked molecular charge transfer material may also be a donor, which may consist of at least one of: Terpy, Ru(terpy)2 TTN, and crystal violet.
Owner:IBM CORP

High-sensitivity molecular potential analyzer

InactiveCN104020212AMolecular potential stabilizationElimination of Molecular Potential FluctuationsMaterial analysis by electric/magnetic meansComposite filmHafnium
The invention discloses a high-sensitivity molecular potential analyzer. The high-sensitivity molecular potential analyzer mainly comprises a sample feeding device, a sample fluidization device, a molecular charge carrier device, a molecular potential converting device, an active molecular electrode device, a standard molecular electrode device, a molecular potential calibration device, a potential signal amplifying device, a potential signal transduction device and a molecular potential signal displaying and recording device, wherein the molecular charge carrier device comprises a molecular charge carrier film; the material of the carrier film is a tribenzyl thiazole hexapyrimidine hafnium pentafluoride nano composite film; the thickness of the film is 0.55 micron; the molecular potential converting device comprises a molecular potential converting electrode, and the material of the electrode is an ethylketone benzyl pentachloride tripropylamine darmstadtium hexabromide composite electrode material; the active molecular electrode device comprises a molecular electrode, and the material of the electrode is a pentapyridine diphenylnitrile triphenylamine iodine rutherfordium composite electrode material.
Owner:成都中远千叶科技有限公司

Biological systems and methods for air purification

The invention relates to an apparatus and a method associated with the apparatus. In relation to an apparatus, it is a bio-air purifier that captures air contaminants by molecular charge attraction without limiting size and type and then digests the captured contaminants by biological oxidation of microbial compound additives.
Owner:优尔斯生物技术有限公司

A fluorescent probe for detecting water content in organic solvents and its preparation method and application

The invention discloses a fluorescent probe for detecting water content in an organic solvent and its preparation method and application. There are two fluorescent probes named TPEB-m-NO respectively. 2 , TPEB‑p‑NO 2 , the corresponding chemical structural formula is shown in formula I and formula II; it is made of raw material 4,7-dibromobenzo[c][1,2,5]thiadiazole, (3-nitrophenyl)boronic acid or ( 4‑nitrophenyl)boronic acid, 4,4,5,5‑tetramethyl‑2‑(4‑(1,2,2‑triphenylvinyl)phenyl)‑1,3,2‑di The oxaborolane is synthesized and purified in two steps under the action of a catalyst; the invention also discloses spectral properties such as fluorescence changes of the fluorescent probe in the process of detecting solvent water. Research proves that the fluorescent probe of the present invention can quantitatively detect trace amounts of water in tetrahydrofuran and dioxane through the joint action of twisted intramolecular charge transfer and aggregation-induced luminescent mechanism.
Owner:CHINA UNIV OF MINING & TECH

An organosilicon small molecule fluorescent probe for detecting hypochlorous acid

The invention provides an organic silicon small molecule fluorescent probe for detecting hypochlorous acid, and the chemical structural formula is: The probe itself is in a fluorescent state and emits fluorescence of naphthalimide. After the addition of hypochlorous acid, the naphthalimide in the probe interacts with hypochlorous acid to affect the intramolecular charge transfer (ICT) process, resulting in partial fluorescence quenching of the probe naphthalimide. When glutathione was added, the quenched fluorescence was recovered. The probe has novel recognition site, fluorescence recovery, fast response speed and strong anti-interference ability. It is synthesized by heating 1,3-bis(3-aminopropyl)-1,1,3,3-tetramethyldisiloxane and 5-methylthio-1,8-naphthalenedicarboxylic anhydride in ethanol to synthesize The raw materials are readily available and the process is simple. The probe has potential application value in the field of laser-excited fluorescent biomarkers and the study of the physiological function of hypochlorous acid in biological samples.
Owner:UNIV OF JINAN

Method of preparing gamma butyrolactone by 1,4-butanediol dehydrogenation

InactiveCN1257897CEnsure safetyAvoiding Cr Contamination ProblemsOrganic chemistryHydrogen atmosphereDehydrogenation
A method for preparing γ-butyrolactone by dehydrogenating 1,4-butanediol, comprising: passing 1,4-butanediol through a reactor under the condition of 170-300°C and 0.1-1MPa in a hydrogen atmosphere, and having the following The above expression for the oxide catalyst contact: CuMn a Al b o c , where a=0.05-1.5, b=0.01-2, and c is the number of oxygen atoms satisfying the requirement that the molecular charge is 0. The catalyst used in the method of the invention does not contain chromium, avoids Cr pollution, and has high catalyst activity and good stability. After 2100 hours of continuous operation, its activity and gamma-butyrolactone selectivity are basically the same as those at the initial stage.
Owner:CHINA PETROLEUM & CHEM CORP +1

Azaindole-squarylium cyanine dye as well as synthesis method and application thereof

The invention discloses an azaindole-squarylium cyanine dye as well as a synthesis method and application thereof. Compared with a conventional squarylium cyanine dye, the dye of the type has the advantages that the molecular charge separation degree and the electron mobility are increased by changing the position of quaternary ammonium nitrogen and the type of an electron-donating group, so that the dye has a larger molar extinction coefficient. Related experiments verify that novel dye molecules change photophysical properties compared with traditional squarylium cyanine dyes, and verify that the dyes have good biocompatibility and can be applied to the aspects of biological recognition imaging, nucleic acid labeling, DNA sequencing, tumor photodynamic therapy and the like.
Owner:DALIAN UNIV OF TECH
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