CN107974410A - One kind removes the aluminum ions method of magnesium calcium in human faecal mass using lithium base vermiculite - Google Patents
One kind removes the aluminum ions method of magnesium calcium in human faecal mass using lithium base vermiculite Download PDFInfo
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Abstract
The invention discloses one kind the aluminum ions method of magnesium calcium in human faecal mass is removed using lithium base vermiculite, magnesium in caprophyl liquid, calcium, aluminium ion are exchanged to lithium base vermiculite interlayer by the present invention using lithium base vermiculite, magnesium, calcium, aluminum ions lithium base vermiculite and lithium carbonate are adsorbed to be removed by filtration, magnesium, calcium, aluminum ions purpose in caprophyl liquid are removed so as to reach.The present invention can remove magnesium, calcium, aluminium ion in human faecal mass by specific adsorption, and the excrement that the excrement donor for making magnesium, calcium, aluminium ion exceeded is contributed can be up to standard after processing.
Description
Technical field
The invention belongs to the transplanting of people's caprophyl, fermentation, detection technique field, is related to one kind and removes human faecal mass using lithium base vermiculite
Middle magnesium, calcium, aluminum ions method.
Background technology
" caprophyl transplanting " (Fecal microbiota transplantation, FMT) refers in healthy human faecal mass
Functional flora, is transplanted in patient's gastrointestinal tract, rebuilds new intestinal flora, realizes the treatment of enteron aisle and parenterally disease.Caprophyl
Transplant as the effective means for rebuilding intestinal flora, have been used for Clestridium difficile infection, inflammatory bowel disease, intractable just
A variety of floras such as secret, metabolic disease, intestine immunity defect, intestinal intolerance diseases related treatment and pilot study, and recognized
To be breakthrough Advances in Medicine in recent years.
Caprophyl feeds approach and is divided into three kinds of upper digestive tract, middle alimentary canal, lower digestive tract approach.Upper digestive tract approach refers mainly to
Oral caprophyl capsule；Middle alimentary canal approach is included by nasointestinal tube, gastroscope biopsy channel hole, percutaneous endoscopic gastrostomy jejunum pipe；Under disappear
Changing road approach includes Sigmoidoscope, bowel lavage, Colostomy and through scope enteron aisle tube planting operation (transendoscopic
Enteral tubing, TET) etc..Doctor should select its most suitable for the characteristics of different situations and various approach of patient
Import pathway.
The state of caprophyl transplanting can be divided into it is fresh, freeze and three kinds of forms of fermenting.Since the security of caprophyl transplanting becomes
The overriding concern factor of clinical decision, therefore, in order to separate a good caprophyl group without germ, the requirement to contributing excrement person
It is very high, it is no at least near 3-6 months that diarrhea occurs, did not use antibiotic and it is necessary to without infectious disease and intestines and stomach
Disease, in addition, there is the restrictive condition for including age, physiology, pathology, psychology, sincerity, time, environment etc..
Since the caprophyl that qualified excrement donor provides cannot meet clinical demand completely, so, for some ions
Exceeded caprophyl, by technical finesse, complies with the requirement of caprophyl transplanting, has very important realistic meaning.
It is magnesium in human faecal mass, calcium, aluminum ions exceeded increasingly common with the change of human habitat, work as excrement
When magnesium, calcium, aluminium ion are exceeded in the excrement of supplier, the requirement of caprophyl transplanting will not met.
The content of the invention
It is an object of the invention to provide one kind magnesium, calcium, aluminum ions method in human faecal mass are removed using lithium base vermiculite.
The technical solution used in the present invention is：
It is a kind of that the method that magnesium, calcium, aluminium ion prepare caprophyl liquid in human faecal mass is removed using lithium base vermiculite,
1) sterile NaCl solution will be added in fecal specimens, adds lithium base vermiculite, excrement slurry is obtained after stirring evenly；
2) by excrement slurry initial filter, filtrate is taken, under the protection of carbon dioxide, nitrogen, helium, neon or argon gas, every
0.8~1.2h stirs 3~6min with 1800~2200rpm, and caprophyl slurry is obtained after 4~7h；
3) caprophyl slurry by filtration is taken into filtrate, obtains thick caprophyl liquid；Thick caprophyl liquid is centrifuged, precipitation is taken, colourless nothing is resuspended to obtain
Taste is free of magnesium, calcium, aluminum ions caprophyl liquid.
Further, the preparation method of the lithium base vermiculite is：Water, lithium metaphosphate will be added in vermiculite mineral, be heated to
70~80 DEG C, add Na2CO3；2.5~3.5h is stirred, deionized water centrifuge washing is used after standing 20~30h, recycles solids,
Lithium base vermiculite is obtained after drying.
Further, the vermiculite mineral, lithium metaphosphate, Na2CO3, water amount ratio be 80~120g：8~12g：18~
22g：1L.
Further, the cation exchange capacity of gained lithium base vermiculite is 120~130mmol/100g.
Further, in step 1), the amount ratio of fecal specimens, NaCl solution and lithium base vermiculite is 1g: 3~7mL：0.5
~1.5g.
Further, the concentration of the NaCl solution is 0.85%~0.95%w/v.
Further, in step 1), the speed of the stirring is 1800~2200rpm, and the time is 2~4min.
Further, in step 2), the concrete operations of the initial filter are：It is 4.5~5.5mm's by excrement slurry via hole diameter
Strainer filtering removes large particulate matter.
Further, in step 3), the concrete operations of the caprophyl slurry by filtration are：Successively via hole diameter for 1.5~
2.5mm, 0.8~1.2mm, the strainer filtering of 0.4~0.6mm and 0.2~0.3mm.
Further, in step 3), the rotating speed of centrifugation is 5500~6500rpm, and the time is 12~18min.
The beneficial effects of the invention are as follows：
Temporarily have not seen at present and remove magnesium in human faecal mass, calcium, aluminum ions method report, the present invention can pass through specific adsorption
Magnesium, calcium, the aluminium ion in human faecal mass are removed, the excrement that the excrement donor for making magnesium, calcium, aluminium ion exceeded is contributed is after processing
Can be up to standard.
Embodiment
It is a kind of that the method that magnesium, calcium, aluminium ion prepare caprophyl liquid in human faecal mass is removed using lithium base vermiculite,
1) sterile NaCl solution will be added in fecal specimens, adds lithium base vermiculite, excrement slurry is obtained after stirring evenly；
2) by excrement slurry initial filter, filtrate is taken, under the protection of carbon dioxide, nitrogen, helium, neon or argon gas, every
0.8~1.2h stirs 3~6min with 1800~2200rpm, and caprophyl slurry is obtained after 4~7h；
3) caprophyl slurry by filtration is taken into filtrate, obtains thick caprophyl liquid；Thick caprophyl liquid is centrifuged, precipitation is taken, colourless nothing is resuspended to obtain
Taste is free of magnesium, calcium, aluminum ions caprophyl liquid.
Preferably, the preparation method of the lithium base vermiculite is：Water, lithium metaphosphate will be added in vermiculite mineral, be heated to 70
~80 DEG C, add Na2CO3；2.5~3.5h is stirred, deionized water centrifuge washing is used after standing 20~30h, recycles solids, do
Lithium base vermiculite is obtained after dry.
Preferably, the vermiculite mineral, lithium metaphosphate, Na2CO3, water amount ratio be 80~120g：8~12g：18~
22g：1L.
Preferably, the temperature of the drying is 100~110 DEG C, and the time is 45~55h.
Preferably, the cation exchange capacity of gained lithium base vermiculite is 120~130mmol/100g.
Preferably, in step 1), the amount ratio of fecal specimens, NaCl solution and lithium base vermiculite is 1g: 3~7mL：0.5~
1.5g。
Preferably, the concentration of the NaCl solution is 0.85%~0.95%w/v.
Preferably, in step 1), the speed of the stirring is 1800~2200rpm, and the time is 2~4min.
Preferably, in step 2), the concrete operations of the initial filter are：By the filter that excrement slurry via hole diameter is 4.5~5.5mm
Net filtration removes large particulate matter.
Preferably, in step 3), the concrete operations of the caprophyl slurry by filtration are：Successively via hole diameter for 1.5~2.5mm,
The strainer filtering of 0.8~1.2mm, 0.4~0.6mm and 0.2~0.3mm.
Preferably, in step 3), the rotating speed of centrifugation is 5500~6500rpm, and the time is 12~18min.
Preferably, in step 3), it is sterile 0.85%~0.95%w/v NaCl solutions that liquid used, which is resuspended,.
With reference to specific embodiment, the present invention is further illustrated.
Illustrate embodiments of the present invention below by way of specific instantiation, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also be based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under the spirit of the present invention.
It should be clear that in the following example not specifically dated process equipment or device using conventional equipment in the art or
Device；All pressure values and scope are all referring to absolute pressure.
In addition, it should also be understood that, one or more method and step mentioned in the present invention does not repel before and after the combination step
Other methods step can also can also be inserted into there are other methods step or between the step of these are specifically mentioned, unless separately
It is described；It should also be understood that the combination connection relation between one or more equipment/device mentioned in the present invention is not repelled
The two equipment/devices that can also be specifically mentioned before and after the unit equipment/device there are other equipment/device or at these it
Between can also be inserted into other equipment/device, unless otherwise indicated.Moreover, unless otherwise indicated, the numbering of various method steps is only
Differentiate the convenient tool of various method steps, rather than ordering or the enforceable model of the restriction present invention for limitation various method steps
Enclose, its relativeness is altered or modified, and in the case where changing technology contents without essence, when being also considered as, the present invention is enforceable
Category.
Wherein, magnesium, calcium, concentration of the aluminium ion in caprophyl liquid pass through inductively coupled plasma spectrometer (ICP, Optima
2000DV, the U.S.) test (test method bibliography Xiang Cai, Guang-Jian Dai, Shao-Zao Tan, Yu
Ouyang,You-Sheng Ouyang,Qing-Shan Shi.Synergistic antibacterial zinc ions and
cerium ions loaded α-zirconium phosphate.Materials Letters.2012,67(1):199-
201.)。
Embodiment 1 is a kind of to remove the method that magnesium, calcium, aluminium ion prepare caprophyl liquid in human faecal mass using lithium base vermiculite
(1) preparation of lithium base vermiculite：100g vermiculite minerals (commercial product, particle diameter are 0.5~2.0mm) are added to 1L water
In, 10g lithium metaphosphates are added, are heated to 75 DEG C, add 20g Na2CO3；Electromagnetism 60rpm stirs 3h, and deionization is used after standing 24h
Water centrifuge washing 4 times, removes bottom insoluble matter, recycles solids；At 105 DEG C lithium base vermiculite is obtained after dry 48h；The lithium of gained
The cation exchange capacity (CEC) of base vermiculite is 120mmol/100g.
(2) 50 ± 0.1g lithium bases vermiculite (particle diameter is 0.5~2.0mm) is taken, adds the sterile 0.9%NaCl solution of 100mL,
After the stainless steel filtering net of 500r/min stirrings 5min, 0.25mm filter out moisture, lithium base vermiculite slurry is obtained, it is spare.
(3) 50 ± 1g donor fresh excretas are placed in blender, add the sterile 0.9%NaCl solution of 250mL, add
The lithium base vermiculite slurry (particle diameter is 0.5~2.0mm) that upper step is got ready, 2000r/min homogeneous 3min, obtain excrement slurry；
(4) stainless steel filtering net filtering of the excrement slurry through 5.0mm is removed into large particulate matter therein, after obtaining initial filter
Excrement slurry；
(5) the excrement slurry after initial filter is transported to laboratory and is handled after acquisition in 2h on ice；
(6) the excrement slurry after initial filter is transferred in nitrogen bioengineering kitchen, is passed through carbon dioxide, and in homogenizer
In every 1h 5min is stirred with 2000r/min, caprophyl slurry is obtained after 6h；
(7) caprophyl slurry is filtered by the stainless steel filtering net of diameter 2.0mm, 1.0mm, 0.5mm and 0.25mm step by step, to go
Except magnesium, calcium, aluminum ions lithium base vermiculite, lithium carbonate, unabsorbed swill and finely ground particle substance has been adsorbed, thick caprophyl is obtained
Liquid；
(8) thick caprophyl liquid is centrifuged into 15min with the speed of 6000r/min, and caprophyl precipitation is resuspended in 250mL's
In 0.9%NaCl solution, the caprophyl liquid 250mL of nearly colorless and odorless is obtained.
Magnesium in measure gained caprophyl liquid, calcium, aluminium ion total content are that zero (instrument can't check, magnesium, calcium, aluminium ion total content
＜ 4ppb), sodium ions content 156mmol/L.
Blank control group：Operating procedure is simply added without excrement and lithium with the present embodiment above-mentioned steps (1)~step (8)
Base vermiculite, obtains the liquid 250mL of nearly colorless and odorless, measure magnesium, calcium, aluminium ion total content in liquid be zero (instrument can't check,
Magnesium, calcium, aluminium ion total content ＜ 4ppb), sodium ions content is zero (being shown in Table 1).
Contrast groups 1 (have excrement without vermiculite)：Operating procedure is simply not added with the present embodiment above-mentioned steps (1)~step (8)
Enter lithium base vermiculite, obtain the liquid 250mL of nearly colorless and odorless, measure magnesium, calcium, aluminium composition in liquid be respectively 1.8mmol/L,
2.5mmol/L, 0.7mmol/L, magnesium, calcium, aluminium ion total content are 5mmol/L, sodium ions content 156.1mmol/L.
Contrast groups 2 (have excrement to have vermiculite)：Operating procedure is simply added with the present embodiment above-mentioned steps (1)~step (8)
Vermiculite is not added with lithium base vermiculite, obtains the liquid 250mL of nearly colorless and odorless, measures magnesium, calcium, aluminium composition in liquid and is respectively
1.3mmol/L, 2.1mmol/L, 0.6mmol/L, magnesium, calcium, aluminium ion total content are 4mmol/L, and sodium ions content is
156.1mmol/L (is shown in Table 1).
The testing result of 1 different disposal group ions content of table
Note：aMmol/L, mM/l；
bN/A:Instrument can't check, content ＜ 4ppb (ppb:μ g/L (micrograms per litre).
From table 1 it follows that the exceeded donor fresh excreta of magnesium, calcium, aluminium ion after the processing of lithium base vermiculite is not
Again containing magnesium, calcium, aluminium ion, the excrement that the excrement donor for making magnesium, calcium, aluminium ion exceeded is contributed can be up to standard after processing,
And the content of sodium ion is held essentially constant.
Embodiment 2 is a kind of to remove the method that magnesium, calcium, aluminium ion prepare caprophyl liquid in human faecal mass using lithium base vermiculite
(1) preparation of lithium base vermiculite：120g vermiculite minerals (commercial product, particle diameter are 0.5~2.0mm) are added to 1L water
In, 8g lithium metaphosphates are added, are heated to 80 DEG C, add 22g Na2CO3；Electromagnetism 60rpm stir 3.5h, stand 20h after spend from
Sub- water centrifuge washing 4 times, removes bottom insoluble matter, recycles solids；At 100 DEG C lithium base vermiculite is obtained after dry 45h；Gained
The cation exchange capacity (CEC) of lithium base vermiculite is 130mmol/100g.
(2) 50 ± 1g donor fresh excretas are placed in blender, add the sterile 0.95%NaCl solution of 150mL, then add
25g lithium bases vermiculite (particle diameter is 0.5~2.0mm), 2200r/min homogeneous 4min, obtain excrement slurry；
(3) stainless steel filtering net filtering of the excrement slurry through 5.0mm is removed into large particulate matter therein, after obtaining initial filter
Excrement slurry；
(4) the excrement slurry after initial filter is transported to laboratory and is handled after acquisition in 2h on ice；
(5) the excrement slurry after initial filter is transferred in nitrogen bioengineering kitchen, is passed through nitrogen gas, and it is every in homogenizer
5min is stirred with 2000r/min every 1.2h, caprophyl slurry is obtained after 4h；
(6) caprophyl slurry is filtered by the stainless steel filtering net of diameter 2.0mm, 1.0mm, 0.5mm and 0.25mm step by step, to go
Except magnesium, calcium, aluminum ions lithium base vermiculite, lithium carbonate, unabsorbed swill and finely ground particle substance has been adsorbed, thick caprophyl is obtained
Liquid；
(7) thick caprophyl liquid is centrifuged into 18min with the speed of 6500r/min, and caprophyl precipitation is resuspended in 250mL's
In 0.9%NaCl solution, nearly colorless and odorless is obtained without magnesium, calcium, aluminum ions caprophyl liquid 250mL.
Embodiment 3 is a kind of to remove the method that magnesium, calcium, aluminium ion prepare caprophyl liquid in human faecal mass using lithium base vermiculite
(1) preparation of lithium base vermiculite：80g vermiculite minerals (commercial product, particle diameter are 0.5~2.0mm) are added to 1L water
In, 12g lithium metaphosphates are added, are heated to 70 DEG C, add 18g Na2CO3；Electromagnetism 60rpm stir 2.5h, stand 30h after spend from
Sub- water centrifuge washing 4 times, removes bottom insoluble matter, recycles solids；At 110 DEG C lithium base vermiculite is obtained after dry 55h；Gained
The cation exchange capacity (CEC) of lithium base vermiculite is 130mmol/100g.
(2) 50 ± 1g donor fresh excretas are placed in blender, add the sterile 0.85%NaCl solution of 350mL, then add
75g lithium bases vermiculite (particle diameter is 0.5~2.0mm), 2200r/min homogeneous 4min, obtain excrement slurry；
(3) stainless steel filtering net filtering of the excrement slurry through 5.0mm is removed into large particulate matter therein, after obtaining initial filter
Excrement slurry；
(4) the excrement slurry after initial filter is transported to laboratory and is handled after acquisition in 2h on ice；
(5) the excrement slurry after initial filter is transferred in nitrogen bioengineering kitchen, is passed through nitrogen gas, and it is every in homogenizer
5min is stirred with 2000r/min every 1.2h, caprophyl slurry is obtained after 4h；
(6) caprophyl slurry is filtered by the stainless steel filtering net of diameter 2.0mm, 1.0mm, 0.5mm and 0.25mm step by step, to go
Except magnesium, calcium, aluminum ions lithium base vermiculite, lithium carbonate, unabsorbed swill and finely ground particle substance has been adsorbed, thick caprophyl is obtained
Liquid；
(7) thick caprophyl liquid is centrifuged into 12min with the speed of 6500r/min, and caprophyl precipitation is resuspended in 250mL's
In 0.9%NaCl solution, nearly colorless and odorless is obtained without magnesium, calcium, aluminum ions caprophyl liquid 250mL.
Above-described embodiment is the preferable embodiment of the present invention, but embodiments of the present invention and from above-described embodiment
Limitation, other any Spirit Essences without departing from the present invention with made under principle change, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (10)
1. a kind of remove the method that magnesium, calcium, aluminium ion prepare caprophyl liquid in human faecal mass using lithium base vermiculite, it is characterised in that：
1) sterile NaCl solution will be added in fecal specimens, adds lithium base vermiculite, excrement slurry is obtained after stirring evenly；
2) by excrement slurry initial filter, filtrate is taken, under the protection of carbon dioxide, nitrogen, helium, neon or argon gas, every 0.8~
1.2h stirs 3~6min with 1800~2200rpm, and caprophyl slurry is obtained after 4~7h；
3) caprophyl slurry by filtration is taken into filtrate, obtains thick caprophyl liquid；Thick caprophyl liquid is centrifuged, takes precipitation, colorless and odorless is resuspended to obtain
Without magnesium, calcium, aluminum ions caprophyl liquid.
2. according to the method described in claim 1, it is characterized in that, the preparation method of the lithium base vermiculite is：By vermiculite mineral
Middle addition water, lithium metaphosphate, are heated to 70~80 DEG C, add Na2CO3；Stir 2.5~3.5h, stand 20~30h after spend from
Sub- water centrifuge washing, recycles solids, lithium base vermiculite is obtained after dry.
3. according to the method described in claim 2, it is characterized in that, the vermiculite mineral, lithium metaphosphate, Na2CO3, water dosage
Than for 80~120g：8~12g：18~22g：1L.
4. according to the method described in claim 2, it is characterized in that, the cation exchange capacity of gained lithium base vermiculite for 120~
130mmol/100g。
5. according to the method described in claim 1, it is characterized in that, in step 1), fecal specimens, NaCl solution and lithium base vermiculite
Amount ratio be 1g: 3~7mL：0.5~1.5g.
6. according to the method described in claim 1, it is characterized in that, the concentration of the NaCl solution is 0.85%~0.95%w/
v。
7. according to the method described in claim 1, it is characterized in that, in step 1), the speed of the stirring for 1800~
2200rpm, time are 2~4min.
8. according to the method described in claim 1, it is characterized in that, in step 2), the concrete operations of the initial filter are：By excrement
The strainer filtering that slurry via hole diameter is 4.5~5.5mm removes large particulate matter.
9. according to the method described in claim 1, it is characterized in that, in step 3), the concrete operations of the caprophyl slurry by filtration
For：Via hole diameter is the strainer filtering of 1.5~2.5mm, 0.8~1.2mm, 0.4~0.6mm and 0.2~0.3mm successively.
10. according to the method described in claim 1, it is characterized in that, in step 3), the rotating speed of centrifugation is 5500~6500rpm,
Time is 12~18min.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5102464A (en) * | 1985-08-12 | 1992-04-07 | W. R. Grace & Co.-Conn. | Vermiculite dispersions and method of preparing same |
| CN104922158A (en) * | 2015-06-05 | 2015-09-23 | 中国人民解放军第三军医大学第三附属医院 | Fecal microbiota capsule, as well as preparation method and application thereof |
-
2017
- 2017-11-28 CN CN201711214132.4A patent/CN107974410B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5102464A (en) * | 1985-08-12 | 1992-04-07 | W. R. Grace & Co.-Conn. | Vermiculite dispersions and method of preparing same |
| CN104922158A (en) * | 2015-06-05 | 2015-09-23 | 中国人民解放军第三军医大学第三附属医院 | Fecal microbiota capsule, as well as preparation method and application thereof |
Non-Patent Citations (3)
| Title |
|---|
| 宋海明等: ""钠化蛭石阳离子交换容量的实验研究"", 《中国粉体技术》 * |
| 李陈: ""蛭石对钙镁阳离子的吸附性能探讨"", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
| 高祥虎: ""聚偏氟乙烯基微孔聚合物电解质的制备及电化学性能研究"", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
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