WO2014192908A1 - 吸着担体充填カラム - Google Patents
吸着担体充填カラム Download PDFInfo
- Publication number
- WO2014192908A1 WO2014192908A1 PCT/JP2014/064378 JP2014064378W WO2014192908A1 WO 2014192908 A1 WO2014192908 A1 WO 2014192908A1 JP 2014064378 W JP2014064378 W JP 2014064378W WO 2014192908 A1 WO2014192908 A1 WO 2014192908A1
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- WO
- WIPO (PCT)
- Prior art keywords
- adsorption carrier
- plate
- adsorption
- carrier
- column
- Prior art date
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/10—Selective adsorption, e.g. chromatography characterised by constructional or operational features
- B01D15/22—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to the construction of the column
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3679—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits by absorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/016—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements with corrugated, folded or wound filtering elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28023—Fibres or filaments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3202—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
- B01J20/3206—Organic carriers, supports or substrates
- B01J20/3208—Polymeric carriers, supports or substrates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
- B01J20/3242—Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
- B01J20/3244—Non-macromolecular compounds
- B01J20/3246—Non-macromolecular compounds having a well defined chemical structure
- B01J20/3248—Non-macromolecular compounds having a well defined chemical structure the functional group or the linking, spacer or anchoring group as a whole comprising at least one type of heteroatom selected from a nitrogen, oxygen or sulfur, these atoms not being part of the carrier as such
- B01J20/3251—Non-macromolecular compounds having a well defined chemical structure the functional group or the linking, spacer or anchoring group as a whole comprising at least one type of heteroatom selected from a nitrogen, oxygen or sulfur, these atoms not being part of the carrier as such comprising at least two different types of heteroatoms selected from nitrogen, oxygen or sulphur
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3627—Degassing devices; Buffer reservoirs; Drip chambers; Blood filters
- A61M1/3633—Blood component filters, e.g. leukocyte filters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3643—Priming, rinsing before or after use
- A61M1/3644—Mode of operation
- A61M1/365—Mode of operation through membranes, e.g. by inverted trans-membrane pressure [TMP]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
- A61M2202/0413—Blood
- A61M2202/0439—White blood cells; Leucocytes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/34—Seals or gaskets for filtering elements
- B01D2201/342—Axial sealings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/50—Aspects relating to the use of sorbent or filter aid materials
- B01J2220/58—Use in a single column
Definitions
- the present invention relates to an adsorption carrier packed column with reduced short path.
- Axial flow is mainly used for analytical and preparative applications such as GC, HPLC, and GPC, and radial flow is used for body fluid component processing columns (Patent Document 1).
- radial flow is considered to be efficient in contact with a carrier, and in the field of extracorporeal circulation, products in which an adsorption carrier is wound around a central pipe are widely used (Patent Document 2).
- urethane resin and epoxy resin are required to uniformly apply urethane resin and epoxy resin, and since it is in the form of a paste, workability is poor in a clean environment, and there are restrictions on the specifications when the adsorption carrier is wet. Because there are, versatility is bad. Further, since it is necessary to mix a highly reactive main agent and a curing agent immediately before coating in order to make a resin, the main agent or the curing agent may react with the adsorption carrier to denature the adsorption carrier. Since there are safety issues such as irritation and harmfulness to the skin, a simple method has been demanded.
- the present invention makes it possible to reduce the short path and allow the flowing liquid to flow uniformly, so that the built-in adsorption carrier can exhibit its maximum performance.
- the purpose is to produce a column.
- the insertion rate of the adsorbing carrier is not less than the deformation rate of the adsorbing carrier in the gap between the adsorbing carrier and the plate. It was found that the short path was eliminated by eliminating the gap, and the adsorption carrier was used uniformly. This also eliminates the restriction on the position of the hole in the central pipe, thus completing the present invention.
- the present invention provides an adsorption carrier packed column described in the following (1) to (5).
- a central pipe provided with holes provided in the longitudinal direction for flowing out the supplied liquid, and adsorption that is filled around the central pipe and adsorbs target molecules or target cells contained in the liquid.
- the carrier and the inflowing liquid are communicated with the upstream end of the center pipe so as to pass through the center pipe, and the liquid is prevented from coming into contact with the adsorption carrier without passing through the center pipe.
- a radial flow type adsorption carrier packed column comprising: a plate A arranged; and a plate B arranged so as to seal the downstream end of the center pipe and fix the adsorption carrier in a space around the center pipe.
- the insertion material C is inserted between the adsorption carrier and the plate A, the insertion material D is inserted between the adsorption carrier and the plate B, and the deformation rate of the insertion material C (C 1 )
- the deformation rate (E 0 ) of the adsorption carrier (C 1 / E 0 ) is 1 ⁇ C 1 / E 0 ⁇ 10, and the deformation rate (D 1 ) of the insert D and the adsorption
- the ratio (D 1 / E 0 ) of the deformation rate (E 0 ) of the carrier is 1 ⁇ D 1 / E 0 ⁇ 10, and the thickness (T C ) of the insert C and the gap between the adsorption carrier and the plate A
- the distance (L A ) ratio (T C / L A ) is 1.1 ⁇ T C / L A ⁇ 4, and the thickness (T D ) of the insert D, the adsorption carrier, and the plate B
- a ratio of the insertion member C of the thickness (T C) and the distance of the gap of the adsorption carrier and the plate A (L A) (T C / L A) is located at 3 ⁇ T C / L A ⁇ 4
- the ratio (T D / L B ) of the thickness (T D ) of the insertion material D and the distance (L B ) between the adsorption carrier and the plate B is 3 ⁇ T D / L B ⁇ 4.
- the inserts C and D are each independently an insert made of rubber, gel, sponge, or non-woven fabric, or an insert containing one of these as a raw material (1) or ( 2) The adsorption carrier packed column as described above.
- an adsorption carrier packed column that can reduce the short path and improve the performance of the adsorption carrier.
- the adsorption carrier packed column of the present invention includes a center pipe provided with holes provided in the longitudinal direction for flowing out the supplied liquid, and a target molecule contained in the liquid, which is packed around the center pipe.
- An adsorbing carrier for adsorbing target cells, and the inflowing liquid is communicated with the upstream end of the central pipe so that it passes through the central pipe, and the liquid contacts the adsorbing carrier without passing through the central pipe.
- a radial flow comprising: a plate A arranged so as to prevent it; and a plate B arranged so as to block the downstream end of the central pipe and to fix the adsorption carrier in a space around the central pipe.
- an insertion material C is inserted between the adsorption carrier and the plate A, and an insertion material D is inserted between the adsorption carrier and the plate B.
- Deformation rate of insertion member C (C 1) and the ratio (C 1 / E 0) of the deformation rate of the adsorption carrier (E 0) is 1 ⁇ C 1 / E 0 ⁇ 10, and the insertion member D
- the ratio (D 1 / E 0 ) of the deformation rate (D 1 ) and the deformation rate (E 0 ) of the adsorption carrier is 1 ⁇ D 1 / E 0 ⁇ 10
- the thickness (T C ) of the insertion material C is The ratio (T C / L A ) of the distance (L A ) between the adsorption carrier and the plate A is 1.1 ⁇ T C / L A ⁇ 4, and the thickness of the insert D (T D ) And the distance (L B ) between the adsorbing
- the adsorption carrier packed column 1 shown in FIG. 1 has a central pipe 3, an adsorption carrier 4, a plate A 5, a plate B 6, an insertion material C 7 and an insertion material D 8, and these structures are arranged inside a container 9. Has been.
- the center pipe 3 is a pipe having a cylindrical shape, and includes a hole 2 provided on the side surface in the longitudinal direction for discharging the supplied liquid.
- the center pipe 3 includes five holes 2 on one side surface of the cylindrical shape, and includes a hole 2 (not shown) on the other side surface.
- the number of holes is not limited and may be set as appropriate according to the embodiment to be implemented.
- any material may be used as long as it is inert to the solvent to be used and the substance to be adsorbed / removed.
- the adsorption carrier 4 is a carrier filled around the central pipe 3.
- the liquid supplied to the adsorption carrier packed column 1 flows out from the central pipe 3 through the hole 2 to the adsorption carrier 4 where the adsorption carrier 4 adsorbs target molecules or target cells contained in the liquid.
- the adsorption carrier 4 is filled as a cylindrical carrier around the central pipe 3 by winding a sheet-like nonwoven fabric around the central pipe 3.
- the shape of the adsorption carrier and the filling method are not limited, and any type can be used as long as it can be arranged inside the container 9.
- the material of the adsorption carrier is appropriately selected according to the type of target molecule or target cell that is the purpose of adsorption.
- the plate A5 is a plate-like member for preventing the liquid from coming into contact with the adsorption carrier 4 without passing through the central pipe 3.
- the plate A5 is arranged so that the liquid flowing into the adsorption carrier packed column 1 communicates with the upstream end of the center pipe 3 so as to pass through the center pipe 3.
- the plate B6 is a plate-like member for preventing the liquid flowing into the adsorption carrier packed column 1 from flowing without passing through the holes 2.
- the plate B6 is disposed at the downstream end of the central pipe 3 so as to block the downstream end of the central pipe 3 and fix the adsorption carrier 4 in a space around the central pipe 3.
- the shape of the plate A5 and the plate B6 is not limited, and any shape can be used as long as it can be disposed inside the container 9. Further, the material of the plate A5 and the plate B6 may be any material as long as it is inert to the solvent to be used and the substance to be adsorbed / removed.
- the insert is inserted between the adsorption carrier and the plate in order to fill the gap between the adsorption carrier and the plate.
- the insertion material C7 is inserted between the adsorption carrier 4 and the plate B6 by sandwiching the insertion material D8 between the adsorption carrier 4 and the plate B6.
- the insertion material D8 is inserted between the adsorption carrier 4 and the plate B6 by sandwiching the insertion material D8 between the adsorption carrier 4 and the plate B6.
- the deformation rate is a value indicating how much the material is deformed when a certain pressure is applied to the member such as the adsorption carrier and the insertion material, and indicates that the material is easily deformed if it is large.
- the deformation rate is defined by Equation 1 below.
- Deformation rate (natural length ⁇ length after applying load) / applied pressure ⁇ ⁇ ⁇ Equation 1
- the deformation rate of the insert is preferably 10% or less.
- the deformation rate of the insert may have different deformation rates on the upstream end side and the downstream end side of the center pipe.
- the thickness of the insertion material in the longitudinal direction is preferably not less than the distance between the adsorption carrier and the plate.
- the thickness in the longitudinal direction is preferably 4 times or less the distance between the adsorption carrier and the plate.
- the thickness of the insertion material may have different thicknesses on the upstream end side and the downstream end side of the center pipe.
- a deformation rate of the adsorption carrier and E defining a deformation rate of the adsorption carrier and E 0. Further, if the deformation rate of the insertion member C interposed between the adsorption carrier and the plate A and C 1, the longitudinal direction of the thickness T C of the insert member C, the insertion member C is not sandwiched, and the adsorbent carrier the distance of the gap of the plate a is defined as L a. Further, if the deformation rate of the insertion member D sandwiched between the adsorption carrier and the plate B and D 1, the longitudinal direction of the thickness T D of the insertion member D, the insertion member D is not interposed, the adsorbent carrier the distance of the gap of the plate B is defined as L B.
- the material of the insert may be anything as long as it is inert to the solvent used and the substance to be adsorbed / removed.
- natural rubber nitrile rubber, isoprene rubber, urethane rubber, ethylene propylene rubber, and chlorosulfonated rubber.
- Polyethylene, epichlorohydrin rubber, chloroprene rubber, silicone rubber, styrene / butadiene rubber, butadiene rubber, fluorine rubber, polyisobutylene, and the like can be used.
- it may be a sponge, non-woven fabric, gel, etc. if the rate of change satisfies the requirements.
- suction carrier since the same material as an adsorption
- the insert is preferably filled entirely between the adsorption carrier and the plate, and the shape may be any shape. However, in order to fully fill the space between the adsorbent and the plate, it is preferable to have a donut shape in which the size of the central hole is set so as to be in close contact with the central pipe portion. In order to improve the adhesion between the plate and the adsorption carrier, it is preferable that the surface of the insertion material on the side in contact with the adsorption carrier has irregularities.
- the shape of the container of the column filled with the adsorption carrier may be any container having an inlet and an outlet for blood and a size capable of filling the adsorbent carrier in a cylindrical shape with the central pipe as an axis, Any container may be used as long as blood flows from the outer periphery of the cylinder to the inside and flows out of the container, or a container from which the blood flows from the inside of the cylinder to the outside and flows to the outside.
- a cylindrical container is used.
- the present invention is not limited to this, and examples thereof include a cylindrical container, a triangular prism, a quadrangular prism, a hexagonal prism, and an octagonal prism.
- the extent to which the short path of the column can be reduced can be confirmed by passing a substance having an affinity for the adsorbing carrier to be packed or a substance adsorbing to the adsorbing carrier. For example, if it is known that a certain dye is adsorbed, it is possible to qualitatively understand the degree of short pass by passing an aqueous solution in which the dye is dissolved and checking how much the adsorption carrier is stained. can do. In addition, if an adsorption carrier that adsorbs a protein such as a cytokine in a blood component removal column or the like, a short path can be reduced quantitatively by passing the solution of the target cytokine and detecting the change in concentration by ELISA or the like. You can see the performance improvement.
- the target molecule is a molecule that can be adsorbed by the adsorption carrier contained in the liquid flowing into the column, and the target cell is adsorbed by the adsorption carrier contained in the liquid flowing into the column. It refers to a possible cell.
- the blood component refers to a component constituting blood, and examples thereof include blood cell components such as red blood cells, white blood cells, and platelets, and liquid factors such as cytokines. Among them, when aiming at treatment of inflammatory diseases, it is preferable that leukocytes and cytokines are removed by adsorption.
- Cytokines refer to proteins secreted from cells that transmit information to specific cells, such as interleukins, tumor necrosis factor- ⁇ , transforming growth factor beta, interferon- ⁇ (hereinafter referred to as INF- ⁇ ). ), Angiogenic growth factors and immunosuppressive acidic proteins.
- Interleukins are cytokines secreted by leukocytes and functioning to regulate the immune system.
- Interleukins are cytokines secreted by leukocytes and functioning to regulate the immune system.
- interleukin-1 interleukin-6, interleukin-8 (hereinafter IL-8), interleukin- 10, interleukin-17 (hereinafter referred to as IL-17).
- IL-8 interleukin-8
- IL-17 interleukin-17
- PP non-woven fabric After producing a nonwoven fabric composed of 85 wt% of this fiber and 15 wt% of polypropylene fiber having a diameter of 20 ⁇ m, a sheet-like polypropylene net (thickness 0.5 mm, single yarn diameter 0.3 mm, opening) between the two nonwoven fabrics.
- a non-woven fabric having a three-layer structure (hereinafter referred to as PP non-woven fabric) was obtained by needle punching.
- PSt + PP non-woven fabric A non-woven fabric (PSt + PP non-woven fabric) having a core-sheath fiber diameter of 5 ⁇ m and a bulk density of 0.02 g / cm 3 by treating a non-woven fabric made of PP with a 3 wt% sodium hydroxide aqueous solution at 95 ° C.
- nonwoven fabric A was produced.
- Nitrobenzene 46 wt%, sulfuric acid 46 wt%, paraformaldehyde 1 wt%, N-methylol- ⁇ -chloroacetamide (hereinafter referred to as NMCA) 7 wt% were mixed, stirred and dissolved at 10 ° C. or less to prepare an NMCA reaction solution.
- the NMCA reaction solution was brought to 5 ° C., and to 1 g of non-woven fabric A, the NMCA reaction solution was added at a solid-liquid ratio of about 40 mL, and reacted for 2 hours while maintaining the reaction solution at 5 ° C. in a water bath.
- non-woven fabric B a chloroacetamidomethylated non-woven fabric
- IL-6 adsorption rate (%) “ ⁇ (IL-6 concentration at 0 minutes) ⁇ (IL-6 concentration at 60 minutes) ⁇ / IL-6 concentration at 0 minutes” ⁇ 100 Equation 2 (Example 7)
- the IL-6 concentrations after 0 minutes and 60 minutes were 500 pg / mL and 453 pg / mL, respectively, so that the IL-6 adsorption rate was calculated as 9.4% from Equation 2 (Table 1).
- the present invention can be used as an adsorption carrier packed column that is packed with an adsorption carrier for removing and recovering unnecessary components from liquids and gases, reduces short paths, and improves the performance of the adsorption carrier.
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Abstract
Description
(1)供給された液体を流出するために設けられた孔を長手方向の側面に備える中心パイプと、上記中心パイプの周りに充填され、上記液体に含まれる標的分子又は標的細胞を吸着させる吸着担体と、流入してきた上記液体が上記中心パイプの中を通るように上記中心パイプの上流端に連通され、上記液体が上記中心パイプを通過せずに上記吸着担体と接触するのを防ぐように配置されたプレートAと、上記中心パイプの下流端を封鎖し、上記吸着担体を上記中心パイプの周りの空間に固定するように配置されたプレートBと、を備えるラジアルフロー型の吸着担体充填カラムにおいて、上記吸着担体と上記プレートAとの間に挿入材Cが挿入され、上記吸着担体と上記プレートBとの間に挿入材Dが挿入され、上記挿入材Cの変形率(C1)と上記吸着担体の変形率(E0)の比(C1/E0)が1≦C1/E0≦10であり、かつ、上記挿入材Dの変形率(D1)と上記吸着担体の変形率(E0)の比(D1/E0)が1≦D1/E0≦10であり、上記挿入材Cの厚み(TC)と上記吸着担体と上記プレートAの隙間の距離(LA)の比(TC/LA)が1.1≦TC/LA≦4であり、かつ、上記挿入材Dの厚み(TD)と上記吸着担体と上記プレートBの隙間の距離(LB)の比(TD/LB)が1.1≦TD/LB≦4である、吸着担体充填カラム。
(2)上記挿入材Cの厚み(TC)と上記吸着担体と上記プレートAの隙間の距離(LA)の比(TC/LA)が3≦TC/LA≦4であり、かつ、上記挿入材Dの厚み(TD)と上記吸着担体と上記プレートBの隙間の距離(LB)の比(TD/LB)が3≦TD/LB≦4である、(1)記載の吸着担体充填カラム。
(3)上記挿入材C及びDは、それぞれ独立に、ゴム、ゲル、スポンジ若しくは不織布からなる挿入材であるか、又は、これらのいずれかを原料に含む挿入材である、(1)又は(2)記載の吸着担体充填カラム。
(4)血液成分処理用である、(1)~(3)のいずれか記載の吸着担体充填カラム。
(5)IL-6除去用である、(1)~(4)のいずれか記載の吸着担体充填カラム。
変形率=(自然な長さ-荷重がかかった後の長さ)/加えた圧力 ・・・式1
例えば、底面積1cm2、自然長1cmの挿入材に対し、底面に10gの荷重を均等に加えたとき(圧力10g/cm2)、長さが0.8cmとなった場合の変形率は、
変形率=(1-0.8)/(10/1)=0.02cm3/g
となる。 また、底面積10cm2、自然長5cmの挿入材に対し、底面に20gの荷重を均等に加えたとき(圧力2g/cm2)、長さが4.5cmとなった場合の変形率は、
変形率=(5-4.5)/(20/10)=0.25cm3/g
となる。
36島の海島複合繊維であって、島がさらに芯鞘複合よりなる繊維を、次の成分を用いて、紡糸速度800m/分、延伸倍率3倍の製糸条件で得た。
島の芯成分 : ポリプロピレン
島の鞘成分 : ポリスチレン90wt%、
ポリプロピレン10wt%
海成分 : エチレンテレフタレート単位を主たる
繰り返し単位とし、共重合成分として
5-ナトリウムスルホイソフタル酸を
3wt%含む共重合ポリエステル
複合比率(重量比率) : 芯:鞘:海 = 45:40:15
PP製不織布を95℃、3wt%の水酸化ナトリウム水溶液で処理し、海成分を溶解することによって、芯鞘繊維の直径が5μmで、嵩密度が0.02g/cm3の不織布(PSt+PP製不織布、以下、不織布A)を作製した。
ニトロベンゼン46wt%、硫酸46wt%、パラホルムアルデヒド1wt%、N-メチロール-α-クロルアセトアミド(以下、NMCA)7wt%を10℃以下で混合、撹拌、溶解しNMCA化反応液を調製した。このNMCA化反応液を5℃にし、1gの不織布Aに対し、約40mLの固液比でNMCA化反応液を加え、水浴中で反応液を5℃に保ったまま2時間反応させた。その後、反応液から不織布を取り出し、NMCA反応液と同量のニトロベンゼンに浸漬し洗浄した。続いて不織布を取り出し、メタノールに浸漬し洗浄を行い、クロロアセトアミドメチル化不織布(以下、不織布B)を得た。
テトラエチレンペンタミン(以下、TEPA)の濃度が20mM、トリエチルアミンの濃度が473mMとなるようにそれぞれを500mLのジメチルスルホキシド(以下、DMSO)に溶解した液に、10gの不織布Bを浸して40℃で3時間反応させた。反応後の不織布をDMSO及びメタノールで洗浄し、さらに水洗することによって、TEPA化不織布(以下、不織布C)を得た。なお不織布Cの変形率(E0)は0.021cm2/gであった。なお不織布Cはメチルオレンジ、IL-6を吸着する。
(実施例1)
(実施例2)
(実施例3)
(実施例4)
(実施例5)
(比較例1)
(比較例2)
(比較例3)
(比較例4)
(比較例5)
(比較例6)
(実施例6)
IL-6吸着率(%)=「{(0分のIL-6濃度)-(60分のIL-6濃度)}/0分のIL-6濃度」×100 ・・・式2
(実施例7)
(実施例8)
(実施例9)
(実施例10)
(比較例7)
(比較例8)
(比較例9)
(比較例10)
(比較例11)
(比較例12)
Claims (5)
- 供給された液体を流出するために設けられた孔を長手方向の側面に備える中心パイプと、
前記中心パイプの周りに充填され、前記液体に含まれる標的分子又は標的細胞を吸着させる吸着担体と、
流入してきた前記液体が前記中心パイプの中を通るように前記中心パイプの上流端に連通され、前記液体が前記中心パイプを通過せずに前記吸着担体と接触するのを防ぐように配置されたプレートAと、
前記中心パイプの下流端を封鎖し、前記吸着担体を前記中心パイプの周りの空間に固定するように配置されたプレートBと、
を備えるラジアルフロー型の吸着担体充填カラムにおいて、
前記吸着担体と前記プレートAとの間に挿入材Cが挿入され、
前記吸着担体と前記プレートBとの間に挿入材Dが挿入され、
前記挿入材Cの変形率(C1)と前記吸着担体の変形率(E0)の比(C1/E0)が1≦C1/E0≦10であり、かつ、前記挿入材Dの変形率(D1)と前記吸着担体の変形率(E0)の比(D1/E0)が1≦D1/E0≦10であり、
前記挿入材Cの厚み(TC)と前記吸着担体と前記プレートAの隙間の距離(LA)の比(TC/LA)が1.1≦TC/LA≦4であり、かつ、前記挿入材Dの厚み(TD)と前記吸着担体と前記プレートBの隙間の距離(LB)の比(TD/LB)が1.1≦TD/LB≦4である、吸着担体充填カラム。 - 前記挿入材Cの厚み(TC)と前記吸着担体と前記プレートAの隙間の距離(LA)の比(TC/LA)が3≦TC/LA≦4であり、かつ、前記挿入材Dの厚み(TD)と前記吸着担体と前記プレートBの隙間の距離(LB)の比(TD/LB)が3≦TD/LB≦4である、請求項1記載の吸着担体充填カラム。
- 前記挿入材C及びDは、それぞれ独立に、ゴム、ゲル、スポンジ若しくは不織布からなる挿入材であるか、又は、これらのいずれかを原料に含む挿入材である、請求項1又は2記載の吸着担体充填カラム。
- 血液成分処理用である、請求項1~3のいずれか一項記載の吸着担体充填カラム。
- IL-6除去用である、請求項1~4のいずれか一項記載の吸着担体充填カラム。
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JP2014526310A JP6299593B2 (ja) | 2013-05-31 | 2014-05-30 | 吸着担体充填カラム |
ES14804488.6T ES2659840T3 (es) | 2013-05-31 | 2014-05-30 | Columna recubierta con portador de adsorción |
KR1020157030511A KR101754829B1 (ko) | 2013-05-31 | 2014-05-30 | 흡착 담체 충전 컬럼 |
US14/889,904 US9937440B2 (en) | 2013-05-31 | 2014-05-30 | Adsorption carrier-packed column |
CN201480031050.4A CN105246524B (zh) | 2013-05-31 | 2014-05-30 | 吸附载体填充柱 |
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WO2000038763A1 (fr) | 1998-12-24 | 2000-07-06 | Toray Industries, Inc. | Procede et colonne de purification du sang |
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CN105246524B (zh) | 2017-05-31 |
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US20160107100A1 (en) | 2016-04-21 |
EP3006060A1 (en) | 2016-04-13 |
JP6299593B2 (ja) | 2018-03-28 |
EP3006060A4 (en) | 2017-01-25 |
KR101754829B1 (ko) | 2017-07-06 |
SG11201509453PA (en) | 2015-12-30 |
CN105246524A (zh) | 2016-01-13 |
US9937440B2 (en) | 2018-04-10 |
EP3006060B1 (en) | 2017-11-22 |
KR20150135438A (ko) | 2015-12-02 |
ES2659840T3 (es) | 2018-03-19 |
CA2909320A1 (en) | 2014-12-04 |
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