23 results about "Ion regulation" patented technology

The invention provides a breeding method suitable for breeding litopenaeus vannamei in saline-alkali soil, and relates to the technical field of aquaculture. According to the breeding method suitable for breeding the litopenaeus vannamei in the saline-alkali soil, the proportion of Ca < 2 + > to Mg < 2 + > to K < + > in a water body is optimized to be 2.8: 1: 0.3 by customizing a compound ion regulation and control solution, SO4 < 2-> / Cl <-> is controlled to be 0.14-0.8, and the pH is stabilized to be 8.2-8.8 in combination with a citric acid-sodium citrate buffer system; a slow-medium-fast segmented domestication strategy is adopted to adapt to different development stages of the fries; ethanol clostridium protein (CAP) is added into the feed to be combined with compound probiotics, so that immune metabolism regulation and control are enhanced. Experiments prove that according to the method, the survival rate of the litopenaeus vannamei seedlings reaches 86.3% + / -2.1%, the culture period is shortened by 12-15 days, the hepatopancreas SOD activity is improved by 42.6%, the vibrio inhibition rate reaches 78.5%, and the method is remarkably superior to the prior art. The method does not need large-scale pond transformation, adapts to different types of saline-alkali soil water bodies, realizes efficient green culture, and has important application value.

According to the ion regulation and control device, the ion guide device, the control method, the device, the equipment and the ion guide system provided by the invention, the first guide element and the deflection force field generation module are arranged, under the condition that ions are injected into the first guide element, the first guide element is controlled to apply the reverse electric field opposite to the ion transmission direction, and the deflection force field is generated; thereby trapping ions within the first guide element; controlling the deflection force field generation module to work so as to enable the ions in the first guide element to generate radial deflection; and under the condition that offset is completed, the first guide element is controlled to cancel the reverse electric field so that the first guide element can move in the transmission direction, ions in the first guide element can generate radial offset through the deflection force field generation module, the ions can be more uniformly distributed in the radial direction, and therefore the space area utilization rate is increased, and the transmission efficiency is improved. And the influence of the space charge effect is reduced.

The invention belongs to the technical field of plant genetic engineering, and particularly discloses a nitrate ion transport channel gene PbrSLAH3b and application of the nitrate ion transport channel gene PbrSLAH3b in promoting growth of pear pollen tubules. The method comprises the following steps: extracting total RNA (Ribonucleic Acid) of Dangshan pears from pollen of Dangshan pears; carrying out reverse transcription on the RNA to obtain cDNA (complementary deoxyribonucleic acid); and by taking the cDNA as a template, carrying out amplification to obtain the pear pollen tube nitrate transport channel gene PbrSLAH3b, the PbrSLAH3b gene provided by the invention belongs to a slow anion channel SLAC / SLAH family member, the PbrSLAH3b is remarkably up-regulated in expression in the early growth stage of a pollen tube, and the PbrSLAH3b is positioned in a plasma membrane. The invention verifies that PbrSLAH3b can form a functional anion channel with NO3 <-> selectivity under the condition of not depending on proton gradient or phosphorylation state, and the PbrSLAH3b has relatively strong selectivity on NO3 <->. Therefore, the PbrSLAH3b gene can mediate the absorption and transport of the pollen tube to NO3 <-> and maintain the polarity growth directivity of the pollen tube, and has important application value for revealing the ion regulation mechanism of the growth of the fruit tree pollen tube and improving the reproductive development of the fruit tree.

The invention discloses a multi-effect fluid ion regulating agent and a preparation method thereof. The structural formula of the multi-effect fluid ion regulation and control agent is as shown in formula I, R is linear alkyl or naphthenic base, and the number of carbon atoms is 2-8; m represents the number of substituted acetic acid on amido and is 1-3; and n represents the number of amino groups and is 1-2. An amine compound and sodium chloroacetate are subjected to a substitution reaction to prepare a multi-effect fluid ion regulation and control agent; according to the processing technology provided by the invention, the yield of the ion regulation and control agent can reach 80% or above; the maximum binding rate of the multi-effect fluid ion regulation and control agent to divalent ions such as Ca < 2 + > and Mg < 2 + > is 85%, and the particle size of coalescence particles is controllable between 800 nm and 2400 nm; the one-dose multi-effect fluid ion regulation and control agent provided by the invention has the effect of improving the crude oil recovery rate, and the recovery rate can be improved by 12.5%. # imgabs0 #

The present application relates to the field of tobacco production, and particularly relates to a tobacco leaf chlorine ion content regulation method, comprising the following steps: 1) tobacco field chlorine ion detection: detecting the chlorine ion content in tobacco field soil and tobacco field irrigation water respectively; 2) classifying the tobacco field according to the chlorine ion content of the tobacco field obtained in step 1); 3) controlling chlorine in the tobacco field according to the classification obtained in step 2). The present application realizes effective control of the chlorine ion in the tobacco field by adopting a hierarchical regulation strategy in the process of large-scale agricultural production, with relatively low cost and simpler means. The tobacco leaf chlorine ion regulation method designed in the present application fully coordinates the aspects of tillage, cultivation, field management and irrigation in large-scale agricultural production, and strengthens the chlorine ion regulation strategy from the perspective of material circulation, and has stable effect and practicability.

The application discloses a PIP-seq technology-based adjustable osmotic pressure single-cell sequencing kit and a detection method, and through a wrapping buffer with adjustable osmotic pressure and a non-toxic digestion system, high-throughput sequencing of marine high-osmotic living cells and freshwater low-osmotic living cells without chemical fixation is realized for the first time, and the retention rate of sensitive cell groups (such as stinging cells and freshwater ion-regulating cells) is doubled. By only changing the buffer formula, marine and freshwater samples can be seamlessly switched without changing the core reaction process, and the kit has strong versatility, and successfully solves the osmotic pressure barrier problem that has long plagued the field of aquatic biology.

The present invention provides a non-contact ion transdermal drug delivery system and method, belonging to the technical field of transdermal drug delivery. The system includes an extraction unit and an ion regulation unit; the extraction unit includes a high-voltage power supply, an extraction chamber, and electrodes; the electrodes are connected to the high-voltage power supply and are vertically arranged inside the extraction chamber, and the extraction chamber includes an extraction area, a conical connection area, and a microporous area with microporous channels arranged in sequence from top to bottom; the ion regulation unit includes a stepped electric field chamber, an ion regulation module, and a guiding power supply; the ion regulation module includes at least two groups of coaxial and vertically spaced annular electrodes. The method includes: placing a drug and a solvent in the extraction chamber, generating electrohydrodynamics under the action of a direct current high voltage, extracting drug active molecules and converting them into drug active ions; entering the stepped electric field chamber to generate drug active ion clusters and penetrate to the area to be administered. The present invention develops a transdermal drug delivery system and method that is contactless, free of exogenous contamination, in-situ extraction, has high utilization rate and good penetration.

The invention relates to the field of room temperature sensitive semiconductor materials, in particular to a CoZr-LDH / rGO composite sensitive material, a preparation method, a gas sensitive element and application, cobalt nitrate hexahydrate and zirconium nitrate pentahydrate are selected as metal sources and are respectively dissolved in an isopropanol aqueous solution, ammonium fluoride is used as an interlayer ion regulator, the pH value of the solution is regulated by urea, and the CoZr-LDH / rGO composite sensitive material is prepared. Then adding graphene oxide and uniformly stirring to obtain a precursor solution; and carrying out hydrothermal treatment on the obtained mixed precursor suspension, cooling to room temperature along with the furnace after the high-temperature reaction is finished, and carrying out solid-liquid separation, washing and drying treatment to obtain the target sensitive material. The material has the structural characteristics of layered self-assembly structure, large specific surface area, ordered distribution of metal ions, rich pore channels, and adjustable distribution state of interlayer hydroxyl, amino and fluorine ions; the n-amyl alcohol detection sensor has the advantages of prominent selective adsorption, strong anti-interference capability, good long-term stability and high room temperature sensitivity to alcohol molecules, and is especially suitable for the requirements of high sensitivity, high selectivity, low power consumption and safe detection of n-amyl alcohol molecules.

The invention discloses a sex hormone binding globulin calibrator diluent and an application thereof. The calibrator diluent comprises the following components and contents: 50-100mM of a buffer solution; 0.01% to 0.1% of estradiol or an estradiol derivative; 0.5%-2% of a protein protective agent; 1%-10% of an anti-freezing agent; 0.1-1% of metal ions; 0.1%-0.5% of a preservative; 0.1%-2% of an ion regulator; 1%-10% of a saccharide protective agent; 0.1%-1% of a complex; and the balance of water. The in-vitro diagnostic reagent calibrator is prepared in a liquid form, and compared with freeze-dried calibrators adopted by well-known foreign manufacturers such as Rogowski and other domestic and overseas manufacturers in the market, the in-vitro diagnostic reagent calibrator has the advantages of convenience and rapidness in use; the problem of inaccurate calibration product concentration caused by operation errors possibly introduced when doctors in clinical laboratories in hospitals redissolve the calibration product is avoided, and under the synergistic effect of the components, the unstable dimer structure of the SHBG can not be degraded in a diluent for a long time, so that the ability of the calibration product to correct a reagent curve is effectively ensured.

The invention provides an intelligent electrodialysis demineralization method and system for improving the thermal stability of goat milk. According to the method, mineral ions in goat milk are selectively removed through an electrodialysis technology, an intelligent closed-loop control system based on real-time conductivity monitoring is adopted, the ion removal proportion is accurately regulated and controlled, and particularly the molar concentration ratio of sodium ions to potassium ions is controlled to be (1.2-1.4): 1. The thermal stability of the treated goat milk is remarkably improved, the thermal stability time at 140 DEG C can be prolonged by 80-150%, and the precipitation rate after UHT treatment is lower than 2.0%. The intelligent control electrodialysis technology is applied to precise ion regulation and control of the goat milk for the first time, the technical problem that the goat milk is poor in high-temperature processing stability is solved, and the method has important industrial application value.

The invention provides a gene-labeled monascus strain and a bacteriostatic fermentation process thereof under regulation and control of metal ions, and relates to the technical field of microbial fermentation, the gene-labeled monascus strain is constructed by inserting a recognizable labeled gene into a specific gene region related to bacteriostatic performance in a monascus genome, and the bacteriostatic performance of the gene-labeled monascus strain is improved through a gene labeling technology. The monascus strain with excellent antibacterial performance can be rapidly and accurately screened and identified, the strain breeding efficiency and accuracy are improved, and a high-quality strain resource is provided for monascus fermentation production; the monascus fermentation process is regulated and controlled by using metal ions, so that the bacteriostatic activity of a fermentation product is remarkably improved. Researches show that in a fermentation system added with a proper amount of copper ions, the diameter of an escherichia coli inhibition zone of a monascus fermentation product is increased by 3-5 mm compared with that of a monascus fermentation product without metal ions, the minimum inhibitory concentration of the monascus fermentation product to staphylococcus aureus is reduced by 2-4 times, and the antibacterial effect of the fermentation product is effectively enhanced.

The present application relates to the technical field of aquatic pathogenic bacteria culture, and particularly relates to a preparation method of a freshwater vibrio high-efficiency culture composite medium containing a nucleotide compound.A freshwater vibrio high-efficiency culture composite medium containing a nucleotide compound, in terms of weight parts, includes the following functional components: 2000-5000 parts of a carbon source, 1500-3000 parts of a nitrogen source, 225-405 parts of a precursor substance, 65-125 parts of an amino acid, 55-110 parts of an energy system, 650-1300 parts of an ion regulator, 35-85 parts of a membrane stabilizer, and 10-20 parts of an antioxidant.The present application solves the technical problem that the prior art lacks a culture method that can effectively promote the growth of freshwater vibrio and ensure the motility activity of the freshwater vibrio.Through reasonable formulation and process design, the present application breaks through the bottleneck of the existing freshwater vibrio culture technology, provides support for the research, targeted prevention and control, and efficient detection method establishment of aquatic pathogenic bacteria, and has a significant application prospect.

This invention discloses an integrated evaporation material and its preparation method for high-concentration brine treatment and power generation based on ion regulation, as well as a water treatment and energy harvesting system, belonging to the technical fields of solar interface evaporation. The material uses polyurethane sponge as a porous framework, constructs a photothermal and conductive network by impregnating conductive graphite with a sodium alginate suspension, and then crosslinks it twice with sodium alginate and calcium chloride, with polystyrene sulfonic acid impregnation introduced in between to form an ion-regulated gel layer containing sulfonate groups, constituting a three-layer composite structure. The material has a simple preparation process and low cost, and under one day of sunlight, the evaporation rate in a 20wt% sodium chloride solution is ≥3.6 kg·m³. ‑2 ·h ‑1 Furthermore, it is salt-free and can generate an open-circuit voltage of ≥800 mV and a short-circuit current of ≥600μA. It has a salt ion rejection rate of >99.9%, enabling efficient desalination and stable power generation of high-concentration brine, making it suitable for large-scale production applications.

The invention discloses an electrochemical sensing method for efficiently monitoring disinfection byproducts in drinking water. According to the method, in the enrichment stage, a main molecule cavity maintains the reference size, broad-spectrum adsorption is conducted on halide through a high-electron-density inner cavity of the main molecule cavity, and the local concentration of a target object is remarkably improved; then, in the recognition stage, the cavity is regulated by ions to generate specific deformation, molecules with mismatched sizes are repelled, and meanwhile, the binding energy of a target object is strengthened through dynamic covalent bond recombination. Experiments show that the separation factor and the selectivity coefficient of key by-products are greatly improved through the design. Besides, in combination with an online pH switching function of the micro-fluidic chip, automatic switching of enrichment and recognition modes in each detection period can be realized, so that the recovery rate and reuse times of the method in a complex matrix are superior to those of a traditional technology, and the method shows excellent stability and practicability.

The invention relates to the technical field of culture of aquatic pathogenic bacteria, in particular to a preparation method of a compound culture medium for efficiently culturing freshwater vibrio containing a nucleotide compound. The invention relates to a compound culture medium for efficiently culturing freshwater vibrio containing a nucleotide compound, which comprises the following functional components in parts by weight: 2000-5000 parts of a carbon source, 1500-3000 parts of a nitrogen source, 225-405 parts of a precursor substance, 65-125 parts of amino acid, 55-110 parts of an energy system, 650-1300 parts of an ion regulator, 35-85 parts of a membrane stabilizer and 10-20 parts of an antioxidant. The scheme is used for solving the technical problem that a culture method capable of effectively promoting the growth of freshwater vibrio and ensuring the movement activity of the freshwater vibrio is lacked in the prior art. Through reasonable formula and process design, the bottleneck of an existing freshwater vibrio culture technology is broken through, support is provided for research, targeted prevention and control and establishment of an efficient detection method of aquatic pathogenic bacteria, and the method has remarkable application prospects.

The invention belongs to the field of mineralized materials for water purification, and discloses slow-release mineralized porous composite particles as well as a preparation method and application thereof. Comprising the following components in parts by weight: 10-40 parts of calcined dolomite, 5-20 parts of tourmaline, 30-70 parts of zeolite and 5-20 parts of a fluxing agent. The preparation method comprises the following steps: mixing calcined dolomite serving as a basic material with tourmaline and zeolite, tabletting, and calcining and forming by taking sodium carbonate as a fluxing agent to obtain porous composite particles with mesopores as main pores and macropores as auxiliary pores. The porous composite particle has a stable mineral element slow release rate, can meet the requirements of drinking water mineralization treatment and drinking water taste improvement, has an excellent ion regulation and control capability, can effectively prevent excessive dissolution of heavy metal elements, harmful elements and hardness ions, is high in safety, does not have a scaling risk, and is suitable for popularization and application. The device is suitable for household direct drinking water, water outlet of a water purifier and other scenes. The raw material source is wide, the preparation process is simple, convenient and controllable, and the application prospect is wide.

The invention discloses a method for preparing high-nutrition bean flour through ion regulation combined with spray drying, and belongs to the technical field of bean product processing. The method comprises the following steps: spraying soybeans, drying and peeling; grinding into thick liquid; carrying out enzyme deactivation and inactivation; centrifugally discharging slag; sterilizing and deodorizing; performing composite enzymolysis; adjusting metal ions; sterilizing and concentrating; performing spray drying; the high-nutrition type bean flour is obtained. According to the method, soybeans are rapidly sprayed, drying and peeling of the soybeans are facilitated, a compound enzyme enzymolysis technology is adopted, the soybean enzymolysis degree is improved, more binding sites are exposed, a chelation reaction with ferric salt can be carried out to obtain a novel iron supplement agent polypeptide iron chelate, the bioavailability is high, meanwhile, a calcium supplement is supplemented, calcium ions can be combined with carboxyl of soybean peptide, and the calcium supplement effect is good. Meanwhile, the solubility and the heat stability are improved, and the limitations that the calcium content and the iron content of a traditional bean beverage are low and the bean beverage inhibits calcium and iron absorption are broken through.

The invention provides an ion molecule reaction device and method, and relates to the technical field of reaction kinetics, and the ion molecule reaction device comprises an ion regulation and control assembly, a molecule regulation and control assembly, an excitation light source and a detection assembly. The ion regulation and control assembly is used for forming ionic groups; the molecular regulation and control assembly is used for forming molecular groups and emitting the molecular groups towards the ionic groups; the excitation light source can enable molecular groups to jump to an excitation state; the detection assembly is used for detecting charged products formed after the molecular groups collide with the ionic groups. The ion molecule reaction method comprises the following steps: enabling a molecular group to fly towards an ionic group; exciting light is used for irradiating the flying molecular groups, so that the molecular groups are transited to an excited state; enabling the molecular group in the excited state to collide with the ionic group; charged products generated by collision of molecular groups and ionic groups are detected. According to the ion molecule reaction device and method in the embodiment of the invention, a new reaction channel between ions and molecules and a quantum effect involved in the reaction process can be found.

The healthy mattress comprises a mattress body and a heating pad, a negative potential pad, a negative potential generator, a negative ion generator, a negative ion regulator and a control box which are arranged in the mattress body, the heating pad, the negative potential generator, the negative ion generator and the negative ion regulator are all electrically connected with the control box, and the heating pad is used for heating; the negative potential generator is used for generating negative potential, the negative potential pad is electrically connected with the negative potential generator and used for generating a negative potential field, the negative ion generator is used for generating negative ions, and the negative ion regulator is used for regulating the emission direction and emission speed of the negative ions. According to the utility model, through the arrangement of the anion regulator, the emission direction and emission speed of anions can be regulated, the anions can be regulated to the direction of the human body of a user, the anions are prevented from diffusing in the opposite direction, the user can absorb the anions conveniently, and the physiotherapy effect is improved.

The application relates to a dual-ion regulation-based memristor unit and a preparation method thereof, adopts a simple plane memristor structure, has a simple process, and adopts an ion intercalation process to insert a first ion and a second ion into a Van der Waals gap of a dielectric layer, different resistance change phenomena are generated by changing the size and direction of an electric field applied on the memristor unit, and then the phenomena are consistent with the phenomenon that multiple ions in a biological synaptic plasticity change process jointly act, Ca 2+ and protein ion migration behaviors are simulated.

The invention discloses an application of a one-dose multi-effect fluid ion regulation and control agent in oil displacement of an oil field. The structural formula of the multi-effect fluid ion regulation and control agent is shown in the formula I, R is linear alkyl or naphthenic base, and the number of carbon atoms is 2-8; m represents the number of substituted acetic acid on amido and is 1-3; and n represents the number of amino groups and is 1-2. The maximum binding rate of the multi-effect fluid ion regulation and control agent to divalent ions such as Ca < 2 + > and Mg < 2 + > is 85%, and the particle size of coalescence particles is controllable between 800 nm and 2400 nm; after the multi-effect fluid ion regulation and control agent is added into the oil displacement fluid, the oil-water interfacial tension can be reduced, and the wettability can be changed; the multi-effect fluid ion regulation and control agent has the effect of improving the crude oil recovery rate, and the recovery rate can be improved by 12.5%.

The invention discloses biomimetic mineralization dental cement with an antibacterial-mineralization synergistic function as well as a preparation method and application of the biomimetic mineralization dental cement. The biomimetic mineralized dental cement is composed of a solid phase system and a liquid phase system, wherein the solid phase system comprises calcium phosphate-based inorganic particles and an antibacterial polysaccharide functional layer which is constructed in situ on the surfaces of the calcium phosphate-based inorganic particles through hydrogen bonds and electrostatic interaction; the liquid phase system is an ion regulation solution containing complexing components. The antibacterial polysaccharide participates in induction of mineral phase growth in the curing process through a pre-compounding process to form a biomineralization-like composite structure, so that the antibacterial and mineralization functions are synchronously realized. The material is in the shape of injectable paste, the curing time can be adjusted within 5-240 min, the compressive strength after curing reaches 5-30 MPa, and the material has good X-ray radiation resistance, biocompatibility and broad-spectrum antibacterial performance. The biomimetic mineralized dental cement is suitable for the fields of dental root canal filling, tooth remineralization repair, periodontal tissue repair and the like.

The invention provides application of potassium magnesium sulfate slow-release salt in aquatic product culture, aquatic product feed and a fish culture method, and relates to the technical field of culture. The invention provides application of potassium magnesium sulfate slow-release salt in aquatic product culture. According to the invention, the potassium magnesium sulfate slow-release salt is added into the aquatic product feed as an osmoregulation auxiliary factor, so that the absorptivity of K < + > and Mg < 2 + > by intestinal tracts can be promoted, and the ion regulation energy consumption is reduced; the Na < + > / K < + >-ATP enzyme activity of gill tissue can be maintained, ion unbalance caused by low salt is reduced, the functions of gill and hepatopancreas are maintained, and tissue structure damage is reduced. The potassium magnesium sulfate slow-release salt is used as the aquatic product feed additive and is rich in potassium and magnesium mineral substances, under the low-salinity (for example, the salinity is 2-5) breeding condition, when the aquatic product feed is fed in fry breeding, the body weight and the body length of fry are obviously increased, the growth performance is high, and the weight gain rate and the feed efficiency of fish can be obviously improved.