24 results about "Membrane complex" patented technology

A transient operation method for a separation device includes a separation membrane complex including: a separation membrane; and a substrate arranged on one side of the separation membrane, the separation device having a first flow path and a second flow path, the first flow path being positioned on a side closer to the separation membrane of the separation membrane complex, the second flow path being positioned on a side closer to the substrate of the separation membrane complex, the transient operation method including supplying gases to the first flow path and the second flow path, respectively, and heating the separation membrane complex. An average relative humidity of a gas A supplied to the first flow path is higher than an average relative humidity of a gas B supplied to the second flow path.

A separation membrane complex includes a porous support and a separation membrane formed on the support. The separation membrane has a small void. A small void index Ik expressed by (Σ(Sk1.5)) / (Sm1.5) and indicating the abundance ratio of small voids is higher than or equal to 10×10−15, and a large void index Ip expressed by (Σ(Sp2)) / (Sm2) and indicating the abundance ratio of large voids is lower than 200×10−22, where Sm is the surface area of the separation membrane, Sk is the area per small void, and Sp is the area per large void. Accordingly, the separation membrane complex can achieve a high separation ratio.

A separation membrane complex includes a porous support and a separation membrane which is formed on the support and composed of metal organic framework MIL-96. In an X-ray diffraction pattern obtained by X-ray irradiation onto a surface of the separation membrane, an intensity of a peak existing in the vicinity of 2θ=5.6° is not higher than 0.15 times an intensity of a peak existing in the vicinity of 2θ=9.0° and not higher than 0.4 times an intensity of a peak existing in the vicinity of 2θ=16.6°.

A porous cylindrical support for use in supporting a zeolite membrane has a generally cylindrical inside surface having a central axis extending in the longitudinal direction and a generally cylindrical outside surface that surrounds the inside surface. A zeolite membrane is formed on the outside surface. A maximum value A and a minimum value B of a support thickness in a circumferential direction satisfy (A−B) / (A+B)≤0.3 in at least part of the support in the longitudinal direction, the support thickness being a radial distance between the inside surface and the outside surface. By reducing a variation in support thickness, it is possible to improve uniformity in the thickness of the zeolite membrane formed on the support.

In the production of an MOF membrane complex, seed crystals of a CAU-10 MOF are deposited on a support, an Al source solution that is an aqueous solution containing an Al ion source is prepared, and a ligand solution is prepared in which an organic ligand used for synthesis of the CAU-10 MOS dissolves in a solvent. Then, a starting material solution is prepared by mixing the Al source solution and the ligand solution at a rate that does not cause the starting material solution to become cloudy. The support is immersed in the starting material solution to form an MOF membrane that is the CAU-10 MOF on the support by Solvothermal synthesis.

A transient operation method for a separation device includes a separation membrane complex including: a separation membrane; and a substrate arranged on one side of the separation membrane, the separation device having a first flow path and a second flow path, the first flow path being positioned on a side closer to the separation membrane of the separation membrane complex, the second flow path being positioned on a side closer to the substrate of the separation membrane complex, the transient operation method including heating the separation membrane complex by supplying a gas at least to the second flow path. The gas supplied to the second flow path satisfies the specific formula.

The charged particle beam device comprises a charged particle beam source located in a first pressure environment, a sample support unit operating to support a sample located in a second pressure environment, wherein the second pressure environment has a higher pressure than the first pressure environment, and a membrane complex separating the first pressure environment from the second pressure environment. The membrane complex comprises a pressure-sealed membrane substantially permeable to a charged particle beam from the charged particle beam source, a support membrane layer having a circular aperture formed thereon to which the pressure-sealed membrane is joined, and a holding frame having a second aperture larger than and covering the circular aperture. The charged particle beam device may further comprise an electron detection subcomplex. The electron detection subcomplex comprises at least one shaping metal wire for detecting electrons resulting from the interaction between the charged particle beam and the sample.

Crystalline material containing oxygen, aluminum and phosphorus, exhibiting the powder X-ray diffraction peaks shown in the table below. 2 θ (°) d (nm) Relative intensity 8,65±0,2 1,022 1-15 9,99±0,2 0,885 1-15 14,17±0,2 0,625 100 16,52±0,2 0,537 5-80 17,37±0,2 0,511 1-15 21,81±0,2 0,407 10-80 22,44±0,2 0,396 2-15 24,66±0,2 0,361 15-70 26,11±0,2 0,341 10-80 28,56±0,2 0,313 5-40 29,80±0,2 0,300 3-30 33,17±0,3 0,270 1-20 34,93±0,3 0,257 1-15 36,21±0,3 0,248 2-15 39,02±0,3 0,231 1-10 43,44±0,3 0,208 1-10

A separation membrane complex includes a porous support formed of ceramic and a separation membrane which is formed on the support and composed of metal organic framework. An average thickness of the separation membrane is not larger than 2 μm. The metal organic framework is composed of aluminum ions and ligands coordinated to the aluminum ions. A powder X-ray diffraction pattern of the metal organic framework has peaks at predetermined diffraction angles 2θ. In the separation membrane complex, a permeance ratio of SF6 / He is not higher than 0.020.

A separation membrane complex (1) comprises a porous ceramic support (11) and a separation membrane (12) formed on the support (11) and composed of a metal-organic framework. The average thickness of the separation membrane (12) is no greater than 2 µm. The metal-organic framework consists of aluminum ions and ligands coordinated to the aluminum ions. A powder X-ray diffraction pattern of the metal-organic framework exhibits peaks at predetermined diffraction angles 2θ. In the separation membrane complex (1), the SF6 / He permeance ratio is no higher than 0.020. The separation membrane complex (1) enables the achievement of both a high separation factor and a high permeance.

The separation membrane assembly (21) comprises: a separation membrane complex (1) having a support (11) and a separation membrane (12) disposed on the support (11); a storage container (22) for storing the separation membrane complex (1); and a sealing member (23) in close contact with a support surface (24) disposed inside the storage container (22) and a supported surface (14) of the separation membrane complex (1). A first static friction coefficient between the sealing member (23) and the supported surface (14) and / or a second static friction coefficient between the sealing member (23) and the supporting surface (24) is 0.5 or less. A value obtained by multiplying the first static friction coefficient and / or the second static friction coefficient by the compressive force [N] of the sealing member (23) and then dividing by the mass [kg] of the separation membrane complex (1) is greater than 0.7.

A separation membrane complex (1) includes a porous support (11) and a separation membrane (12) formed on the support (11) and composed of a metal-organic framework MIL-96. In an X-ray diffraction pattern obtained by X-ray irradiation of a surface of the separation membrane (12), the intensity of a peak near 2θ = 5.6° is not more than 0.15 times the intensity of a peak near 2θ = 9.0° and not more than 0.4 times the intensity of a peak near 2θ = 16.6°. This makes it possible to provide a separation membrane complex (1) with high CO2 / N2 separation performance.

The invention provides a transition operation method of a separation device provided with a separation membrane composite, which can prevent the separation device and the separation membrane composite from being damaged. This method for transitionally operating a separation device is a method for transitionally operating a separation device provided with a separation membrane composite having a separation membrane and a substrate disposed on one side of the separation membrane, the separation device having a first flow path located on the separation membrane side of the separation membrane composite and a second flow path located on the separation membrane side of the separation membrane composite and having a third flow path located on the separation membrane side of the separation membrane composite and a fourth flow path located on the separation membrane side of the separation membrane composite. The first flow path is located on the substrate side of the separation membrane composite, and the second flow path is located on the substrate side of the separation membrane composite, and the transition operation method of the separation device comprises the steps of supplying gas to the first flow path and the second flow path and heating the separation membrane composite. The average relative humidity of the gas A supplied to the first flow path is higher than the average relative humidity of the gas B supplied to the second flow path.

The purpose of one embodiment of the present invention is to provide a zeolite membrane composite having high separation performance. A zeolite membrane composite according to one embodiment of the present invention comprises an inorganic porous support and a zeolite membrane formed on the surface of the inorganic porous support. When the surface of the zeolite membrane is irradiated with X-rays at a minimum angle of incidence through the zeolite membrane, the integrated intensity of a peak near 2 [theta] = 9.6 DEG in an X-ray diffraction pattern is 6.0 times or more of the integrated intensity of a peak near 2 [theta] = 20.8 DEG.

A separation system (1) comprises: a condensable component remover (41) that removes a portion of a condensable component from a mixed gas containing the condensable component and two or more components other than the condensable component, and obtains low-condensable gas in which the concentration of the condensable component has been reduced; a separation membrane complex (21) that has a separation membrane (20) and separates the low-condensable gas into membrane permeate gas that has permeated through the separation membrane (20), and membrane non-permeate gas that does not permeate through the separation membrane (20); and a heat exchanger (31) that cools the mixed gas by exchanging heat between the mixed gas before being introduced into the condensable component remover (41) and the membrane permeate gas or the membrane non-permeate gas. The membrane permeate gas or the membrane non-permeate gas, the temperature of which has been lowered by passing through the separation membrane complex (21), can be used to preliminarily cool the mixed gas before introduction into the condensable component remover (41), thereby reduce the energy consumption in the separation of the mixed gas.

Gas separation process for separating carbon dioxide in a mixed gas, comprising: a) Production of a separation membrane complex (1) in which a separation membrane (12) with pores having a mean pore diameter of less than or equal to 1 nm is formed on a porous support (11); and b) Supplying a mixed gas containing carbon dioxide and another gas from one side of the separation membrane (12) to the separation membrane complex (1) and obtaining a permeated gas by causing the carbon dioxide in the mixed gas to penetrate the separation membrane (12) and the support (11), wherein process b) is carried out in a state in which at least a part of a penetration surface (113) of the support (11) from which the permeated gas is expelled is cooled to have a temperature at least 10 °C lower than a temperature of the mixed gas before it is supplied to the separation membrane complex (1).

The invention provides a transition operation method of a separation device, which can efficiently heat a separation membrane. A method for transitionally operating a separation device according to an embodiment of the present invention is provided with: a separation membrane composite having a separation membrane and a base material disposed on one side of the separation membrane, the separation device having a first flow path located on the separation membrane side of the separation membrane composite and a second flow path located on the separation membrane side of the separation membrane composite and having a second flow path located on the separation membrane side of the separation membrane composite; the second flow path is located on the base material side of the separation membrane composite, the separation membrane composite is heated by supplying gas to at least the second flow path, and the gas supplied to the second flow path satisfies formula (1). [Delta] Cp2 / [Delta] T2 < 0 (J / (mol.K2)) (1) [Delta] Cp2 is the difference between the constant pressure molar specific heat a at the separation membrane complex inlet of the second flow path and the constant pressure molar specific heat b at the separation membrane complex outlet of the second flow path, and [Delta] T2 is the difference between the gas temperature a at the separation membrane complex inlet of the second flow path and the gas temperature b at the separation membrane complex outlet of the second flow path.

An MOF membrane complex (1) is provided with a porous support (11) and an MOF membrane (12) that is formed of an MOF and that is provided on the support (11). MOF crystal particles (121) in the MOF membrane (12) each have a shape having a polygonal column part (122) and two polygonal pyramid parts (123) of which the bottom surfaces are the two end faces of the polygonal column part (122). Lateral surfaces of the polygonal column part (122) have a striped pattern (P1) that extends in a direction along the two end faces. The standard deviation of the particle sizes of the MOF crystal particles (121) is 2.0-15.0 µm, and the value obtained by dividing the standard deviation of the particle sizes with the average of the particle sizes is 5.0-20.0.

The invention relates to the technical field of biological medicine, and discloses a cell-penetrating CPP-SOD1 compound and application thereof in relieving cisplatin-induced renal toxicity, the cell-penetrating CPP-SOD1 compound comprises the following components: a cell-penetrating peptide, the amino acid sequence of the CPP is selected from at least one of TAT, Penetratin or polyarginine, and the amino acid sequence of the SOD1 is selected from at least one of TAT, Penetratin or polyarginine; the amino acid sequence of the superoxide dismutase 1 is as shown in SEQ ID NO: 1; the ROS sensitive connecting peptide is used for connecting the CPP and the SOD1, and the sequence of the connecting peptide comprises a thioketal bond or a matrix metalloproteinase cleavage site; wherein the transmembrane efficiency of the compound is greater than or equal to 70%, the SOD1 activity retention rate is greater than or equal to 85%, and the compound is used for preventing or relieving renal tubular epithelial cell oxidative damage caused by cisplatin chemotherapy. According to the invention, pathological response release is realized by dynamically screening the kidney-targeted cell-penetrating peptide and combining with the ROS sensitive connecting peptide, cell penetrating and enzyme activity are optimized by using two parameters, and delivery-release is tracked based on FRET, so that the problems of poor cell penetrating property and insufficient activity retention are solved, and the renal toxicity protection curative effect of cis-platinum is improved.

Aiming at the problem of unstable film transfer in the prior art, the invention provides the film transfer clamp which has a high-hardness structure and can fix the sponge, the ceramic plate is used for replacing a traditional plastic plate, so that the film transfer clamp has very high rigidity and thermal conductivity, and the whole clamp plate is ensured not to be distorted; due to the design that the sponge is directly adhered to the ceramic plate, the operation is simplified, and more stable pressure is provided for a transfer film compound; the plastic shell enables the ceramic plate to be buffered and protected, and the color of the plastic shell prevents the film transfer clamp from being reversely placed; large holes and small holes are uniformly formed in the ceramic plate at intervals, so that the electric field intensity is more uniform, and the membrane transfer efficiency is higher; the annular magnet design at the top of the plastic shell provides a stable supporting structure for the ceramic plate; meanwhile, the annular magnet serves as a switch for installing and removing the ceramic plate into and out of the plastic shell, and the left end and the right end of the annular magnet are dispersedly designed, so that the film rotating clamp is easy to open and close.

The application discloses a preparation method of a thearubigin-selenium nanoparticle@malassezia membrane composite system, and comprises the following steps: adding a sodium selenite solution and a vitamin C solution into a thearubigin solution and stirring; performing gradient centrifugation on the obtained mixed solution, and preparing a thearubigin-selenium nanoparticle suspension from the obtained precipitate; preparing a malassezia membrane by using a malassezia bacterial solution; mixing the thearubigin-selenium nanoparticle suspension and the malassezia membrane under ice bath ultrasonic mixing; then centrifuging to remove supernatant, adding deionized water to constant volume, and obtaining the thearubigin-selenium nanoparticle / malassezia membrane composite system. The application also simultaneously provides the use of the thearubigin-selenium nanoparticle@malassezia membrane composite system: for preparing an anti-malassezia drug or reagent.

A bipolar membrane composite including a first membrane, a second membrane, an optional additional membrane, a first ion exchange material, a second ion exchange material, and a catalyst. The bipolar membrane composite being configured to create an acidic solution and a basic solution when exposed to a main flow of fluid and an external current supply.

Aiming at the problem of unstable film transfer in the prior art, the utility model provides the film transfer clamp which has a high-hardness structure and can fix the sponge, the ceramic plate is used for replacing a traditional plastic plate, so that the film transfer clamp has very high rigidity and thermal conductivity, and the whole clamp plate is ensured not to be distorted; due to the design that the sponge is directly adhered to the ceramic plate, the operation is simplified, and more stable pressure is provided for a transfer film compound; the plastic shell enables the ceramic plate to be buffered and protected, and the color of the plastic shell prevents the film transfer clamp from being reversely placed; large holes and small holes are uniformly formed in the ceramic plate at intervals, so that the electric field intensity is more uniform, and the membrane transfer efficiency is higher; the annular magnet design at the top of the plastic shell provides a stable supporting structure for the ceramic plate; meanwhile, the annular magnet serves as a switch for installing and removing the ceramic plate into and out of the plastic shell, and the left end and the right end of the annular magnet are dispersedly designed, so that the film rotating clamp is easy to open and close.

A separation membrane composite (1) is provided with: a porous support (11) formed from a ceramic; and a separation membrane (12) that is provided on the support body (11) and is formed of a metal organic structure. The average film thickness of the separation film (12) is 2 [mu] m or less. The metal organic structure is composed of aluminum ions and ligands coordinated with the aluminum ions. A powder X-ray diffraction pattern of the metal organic structure has a peak at a predetermined diffraction angle 2 [theta]. In the separation membrane composite (1), the SF6 / He permeation rate ratio is 0.020 or less. The separation membrane composite (1) can have both a high separation coefficient and a high transmission rate.