CN109239105B - Millimeter wave method for identifying phase of glycerol monooleate - Google Patents
Millimeter wave method for identifying phase of glycerol monooleate Download PDFInfo
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- CN109239105B CN109239105B CN201811094082.5A CN201811094082A CN109239105B CN 109239105 B CN109239105 B CN 109239105B CN 201811094082 A CN201811094082 A CN 201811094082A CN 109239105 B CN109239105 B CN 109239105B
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Abstract
A millimeter wave method for identifying the phase of glycerol monooleate is disclosed: calibrating the millimeter wave test system to the rectangular waveguide port; filling millimeter wave rectangular waveguide slices with glycerol monooleate with known water content, and clamping the slices by using a waveguide port; testing the S parameter of the sheet, and extracting the complex dielectric constant of the glycerol monooleate by using a transmission reflection method; inputting the test result into a database; washing the sheet, replacing the sheet with glycerol monooleate with different water contents until the complex dielectric constants of the glycerol monooleate with different water contents are completely obtained, filling the sheet with the glycerol monooleate with unknown water content, clamping the sheet by using a waveguide port, testing S parameters, and extracting the complex dielectric constant of the glycerol monooleate by using a transmission reflection method; and comparing the obtained complex dielectric constant with data in a database to obtain the water content of the glyceryl monooleate, so as to obtain the phase and the structure of the glyceryl monooleate with unknown water content. The invention provides a basis for the application of the glycerol monooleate in industrial production.
Description
Technical Field
The invention relates to a macromolecular material structure identification. In particular to a millimeter wave method for identifying the phase of glycerol monooleate.
Background
In the past decades, glyceryl monooleate has found widespread use in areas such as drug delivery, emulsion stabilization, and protein crystallization. Glycerol monooleate has a variety of molecular structures, such as lamellar, tubular, spherical and more complex structures, which are defined as distinct phases. The glyceryl monooleate with different phases has different application values, so that the identification of the phases is of great significance in the actual industrial production.
It has been shown that the phase of glycerol monooleate is determined primarily by the water content. As shown in fig. 1, the horizontal axis of fig. 1 shows water content, and the vertical axis shows temperature. Lamellarcrystalline stands for lamellar crystals, Lamellar Liquid crystals for lamellar liquid crystals, Cubic-Pn3m stands for Cubic-Pn3m crystals, and Cubic-la3d stands for Cubic-la3d crystals.
Therefore, identification of moisture content is an important means of identifying phase. It is well known that millimeter waves have very large losses in water, which can be characterized by the imaginary part of the complex dielectric constant. Therefore, the water content of glycerol monooleate can be identified by testing the millimeter wave complex dielectric constant of the extracted glycerol monooleate.
Disclosure of Invention
The invention aims to solve the technical problem of providing a millimeter wave method for identifying the phase of glyceryl monooleate, which can determine the water content and the phase of the glyceryl monooleate.
The technical scheme adopted by the invention is as follows: a millimeter wave method for identifying the phase of glycerol monooleate comprises the following steps:
1) calibrating the millimeter wave test system to the rectangular waveguide port;
2) filling the millimeter wave rectangular waveguide sheet with glycerol monooleate with known water content, and clamping the millimeter wave rectangular waveguide sheet filled with the glycerol monooleate by using the calibrated waveguide port;
3) testing the S parameter of the filling of the glycerol monooleate slices;
4) extracting the complex dielectric constant of the glycerol monooleate by using a transmission reflection method according to the S parameter;
5) inputting the test result into a test database;
6) washing away the glycerol monooleate in the millimeter wave rectangular waveguide sheet by using deionized water, replacing the glycerol monooleate with different water contents, repeating the steps 2) to 5) until the complex dielectric constants of the set number of glycerol monooleate with different water contents are obtained, and entering the next step;
7) filling the millimeter wave rectangular waveguide sheet with glycerol monooleate with unknown water content, clamping the millimeter wave rectangular waveguide sheet filled with the glycerol monooleate with unknown water content by using a calibrated waveguide port, testing S parameters, and extracting the complex dielectric constant of the glycerol monooleate by using a transmission reflection method according to the S parameters;
8) and comparing the obtained complex dielectric constant with data in a test database to obtain the water content of the glycerol monooleate with unknown water content, and obtaining the phase and the structure of the glycerol monooleate with unknown water content according to the relation between the water content and the phase.
The millimeter waves in the step 1) are millimeter waves in the frequency ranges of 90-140GHz, 140-220 GHz and 220-330 GHz.
Step 5), testing the coverage range of the water content of the database: 0 to 75 percent.
According to the millimeter wave method for identifying the phase of the glyceryl monooleate, the characteristic that the millimeter wave has large loss in water is applied for the first time, the water content of the glyceryl monooleate is identified, the phase of the glyceryl monooleate is identified by combining the relation between the water content and the phase, the structure is further identified, and a basis is provided for the application of the glyceryl monooleate to industrial production.
Drawings
FIG. 1 is a graph of water content versus phase for glycerol monooleate;
FIG. 2 is a flow chart of a millimeter wave method for identifying the phase of glycerol monooleate of the present invention;
FIG. 3a is S11Amplitude and phase maps;
FIG. 3b is S21Amplitude and phase maps;
FIG. 4 is a graph of complex dielectric constant extracted according to an embodiment of the present invention.
Detailed Description
The millimeter wave method for identifying the phase of glycerol monooleate according to the invention is described in detail below with reference to the following embodiments and the accompanying drawings.
As shown in fig. 2, the millimeter wave method for identifying the phase of glycerol monooleate of the present invention includes the following steps:
1) calibrating a millimeter wave test system to a rectangular waveguide port, wherein the millimeter waves are millimeter waves in the frequency ranges of 90-140GHz, 140-220 GHz and 220-330 GHz;
2) filling millimeter wave rectangular waveguide slices with glycerol monooleate with known water content, wherein the glycerol monooleate is colloid and has a plastic shape, so that rectangular waveguide ports are convenient to fill, and then clamping the millimeter wave rectangular waveguide slices filled with the glycerol monooleate by using the calibrated waveguide ports;
3) testing the S parameter of the filling of the glycerol monooleate slices;
4) extracting the complex dielectric constant of the glycerol monooleate by using a transmission reflection method according to the S parameter;
5) inputting the test result into a test database, wherein the water content coverage range of the test database is as follows: 0% -75%;
6) washing away the glycerol monooleate in the millimeter wave rectangular waveguide sheet by using deionized water, replacing the glycerol monooleate with different water contents, repeating the steps 2) to 5) until the complex dielectric constants of the set number of glycerol monooleate with different water contents are obtained, and entering the next step;
7) filling the millimeter wave rectangular waveguide sheet with glycerol monooleate with unknown water content, clamping the millimeter wave rectangular waveguide sheet filled with the glycerol monooleate with unknown water content by using a calibrated waveguide port, testing S parameters, and extracting the complex dielectric constant of the glycerol monooleate by using a transmission reflection method according to the S parameters;
8) and comparing the obtained complex dielectric constant with data in a test database to obtain the water content of the glycerol monooleate with unknown water content, and obtaining the phase and the structure of the glycerol monooleate with unknown water content according to the relation between the water content and the phase.
In the frequency range of 90-140GHz, the glycerol monooleate with the water content of 30%, 35% and 45% is taken as three glycerol monooleate with unknown water content, so as to find out the water content of the glycerol monooleate with three water contents, and thus the millimeter wave method for identifying the phase of the glycerol monooleate is verified.
1. Calibrating a 90-140GHz millimeter wave test system to a rectangular waveguide port;
2. filling 1 kind of glycerol monooleate with known water content in a millimeter wave rectangular waveguide slice, and clamping the millimeter wave rectangular waveguide slice by using a calibrated waveguide port;
3. testing the S parameter of the millimeter wave rectangular waveguide filled with the glycerol monooleate;
4. extracting the complex dielectric constant of the glycerol monooleate by using a transmission reflection method according to the S parameter;
5. recording the test result into a test database (the coverage range of the water content of the database is 0-75%);
6. washing away the glycerol monooleate in the millimeter wave rectangular waveguide sheet by using deionized water, replacing the glycerol monooleate with different water contents, repeating the steps 2, 3, 4 and 5 until the complex dielectric constants of the set number of glycerol monooleate with different water contents are obtained, and entering the next step;
7. respectively filling the slices with 30%, 35% and 45% water content glycerol monooleate, respectively testing the S parameters (see fig. 3a and 3b), and respectively extracting the complex dielectric constants (see fig. 4) of the glycerol monooleate with three water contents by using a transmission reflection method according to the S parameters of the glycerol monooleate with three water contents;
8. and comparing the complex dielectric constants of the glycerol monooleate with three water contents with the data of a test database to obtain the water contents of the glycerol monooleate with the three water contents of 30%, 35% and 45%, and identifying the phase and the structure of the glycerol monooleate by combining the relationship between the water contents and the phase. The identification result is true and effective.
In conclusion, the glycerol monooleate with different water contents can be effectively identified by testing and extracting the 90-140GHz complex dielectric constant of the glycerol monooleate. Combining this property, the phase and structure of glycerol monooleate can be identified from the test database.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. A millimeter wave method for identifying the phase of glycerol monooleate is characterized by comprising the following steps:
1) the millimeter wave test system is connected with the rectangular waveguide port in a calibration mode;
2) filling the millimeter wave rectangular waveguide sheet with glycerol monooleate with known water content, and clamping the millimeter wave rectangular waveguide sheet filled with the glycerol monooleate by using the calibrated waveguide port;
3) testing the S parameter of the filling of the glycerol monooleate slices;
4) extracting the complex dielectric constant of the glycerol monooleate by using a transmission reflection method according to the S parameter;
5) inputting the test result into a test database;
6) washing away the glycerol monooleate in the millimeter wave rectangular waveguide sheet by using deionized water, replacing the glycerol monooleate with different water contents, repeating the steps 2) to 5) until the complex dielectric constants of the set number of glycerol monooleate with different water contents are obtained, and entering the next step;
7) filling the millimeter wave rectangular waveguide sheet with glycerol monooleate with unknown water content, clamping the millimeter wave rectangular waveguide sheet filled with the glycerol monooleate with unknown water content by using a calibrated waveguide port, testing S parameters, and extracting the complex dielectric constant of the glycerol monooleate by using a transmission reflection method according to the S parameters;
8) and comparing the obtained complex dielectric constant with data in a test database to obtain the water content of the glycerol monooleate with unknown water content, and obtaining the phase and the structure of the glycerol monooleate with unknown water content according to the relation between the water content and the phase.
2. The millimeter wave method for identifying the phase of glycerol monooleate as claimed in claim 1, wherein the millimeter waves in the step 1) are millimeter waves in the frequency ranges of 90-140GHz, 140-220 GHz and 220-330 GHz.
3. The millimeter wave method for identifying the phase of glycerol monooleate according to claim 1, wherein the test database of step 5) has a water content coverage range of: 0 to 75 percent.
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090027809A (en) * | 2007-09-13 | 2009-03-18 | 재단법인서울대학교산학협력재단 | Method to produce the hydrophilic cubic phases of liquid crystalline phases, hydrophilic cubic phases of liquid crystalline phases produced thereof, and method to measure the release of hydrophilic drugs from liquid crystalline phases |
| CN101952713A (en) * | 2008-02-11 | 2011-01-19 | 普拉德研究及开发股份有限公司 | System and method for measuring properties of liquid in multiphase mixtures using two open ended coaxial probes with different sensitivity depths |
| RU2445619C1 (en) * | 2011-01-12 | 2012-03-20 | Государственное образовательное учреждение высшего профессионального образования "Кубанский государственный технологический университет" (ГОУ ВПО "КубГТУ") | Olive oil identification method |
| WO2012050422A1 (en) * | 2010-10-12 | 2012-04-19 | Sime Darby Malaysia Berhad | Process for production of diacylglycerol-enriched oil or fat |
| JP2013072726A (en) * | 2011-09-27 | 2013-04-22 | Chikuno Shokuhin Kogyo Kk | Method for quantifying triacylglycerol in brown rice using near-infrared spectroscopy |
| CN103443624A (en) * | 2007-03-26 | 2013-12-11 | 纳米系统公司 | Methods and devices for formation of controlled monolayer |
| WO2013147589A3 (en) * | 2012-03-29 | 2013-12-27 | Institut Penyelidikan Dan Kemajuan Pertanian Malaysia (Mardi) | Assay for identifying animal species in raw and cooked conditions |
| CN103697950A (en) * | 2013-08-29 | 2014-04-02 | 兰州海默科技股份有限公司 | Method and device for measuring flow of oil, gas and water in non-conventional natural gas on line |
| CN106124665A (en) * | 2016-08-12 | 2016-11-16 | 江南大学 | A kind of method measuring 2 fatty acids compositions of sn in sweet three esters of polyunsaturated fatty acid |
| CN108535283A (en) * | 2018-06-08 | 2018-09-14 | 宝鸡市赛孚石油机械有限公司 | A kind of crude oil stock tank oil (s.t.o.) device for detecting water content and its detection method |
-
2018
- 2018-09-19 CN CN201811094082.5A patent/CN109239105B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103443624A (en) * | 2007-03-26 | 2013-12-11 | 纳米系统公司 | Methods and devices for formation of controlled monolayer |
| KR20090027809A (en) * | 2007-09-13 | 2009-03-18 | 재단법인서울대학교산학협력재단 | Method to produce the hydrophilic cubic phases of liquid crystalline phases, hydrophilic cubic phases of liquid crystalline phases produced thereof, and method to measure the release of hydrophilic drugs from liquid crystalline phases |
| CN101952713A (en) * | 2008-02-11 | 2011-01-19 | 普拉德研究及开发股份有限公司 | System and method for measuring properties of liquid in multiphase mixtures using two open ended coaxial probes with different sensitivity depths |
| WO2012050422A1 (en) * | 2010-10-12 | 2012-04-19 | Sime Darby Malaysia Berhad | Process for production of diacylglycerol-enriched oil or fat |
| RU2445619C1 (en) * | 2011-01-12 | 2012-03-20 | Государственное образовательное учреждение высшего профессионального образования "Кубанский государственный технологический университет" (ГОУ ВПО "КубГТУ") | Olive oil identification method |
| JP2013072726A (en) * | 2011-09-27 | 2013-04-22 | Chikuno Shokuhin Kogyo Kk | Method for quantifying triacylglycerol in brown rice using near-infrared spectroscopy |
| WO2013147589A3 (en) * | 2012-03-29 | 2013-12-27 | Institut Penyelidikan Dan Kemajuan Pertanian Malaysia (Mardi) | Assay for identifying animal species in raw and cooked conditions |
| CN103697950A (en) * | 2013-08-29 | 2014-04-02 | 兰州海默科技股份有限公司 | Method and device for measuring flow of oil, gas and water in non-conventional natural gas on line |
| CN106124665A (en) * | 2016-08-12 | 2016-11-16 | 江南大学 | A kind of method measuring 2 fatty acids compositions of sn in sweet three esters of polyunsaturated fatty acid |
| CN108535283A (en) * | 2018-06-08 | 2018-09-14 | 宝鸡市赛孚石油机械有限公司 | A kind of crude oil stock tank oil (s.t.o.) device for detecting water content and its detection method |
Non-Patent Citations (3)
| Title |
|---|
| Dynamics of water confined in self-assembled monoglyceride-water-oil phases;Wolfgang Wachter 等;《Soft Matter》;20111231;第7卷;第1409-1417页 * |
| The phase behaviour of mixed saturated and unsaturatedmonoglycerides in water system;Abdullatif Alfutimie 等;《Colloids and Surfaces A: Physicochem. Eng. Aspects》;20141028;第465卷;第99-105页 * |
| 油酸及单硝酸异山梨酯载入量对单油酸甘油酯液晶体系相图及体外释放的影响;张星一 等;《中国医科大学学报》;20161231;第47卷(第5期);第581-586 * |
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