CN117607058A - Near infrared double light source photo-thermal analysis sensing imaging device - Google Patents
Near infrared double light source photo-thermal analysis sensing imaging device Download PDFInfo
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- CN117607058A CN117607058A CN202311571889.4A CN202311571889A CN117607058A CN 117607058 A CN117607058 A CN 117607058A CN 202311571889 A CN202311571889 A CN 202311571889A CN 117607058 A CN117607058 A CN 117607058A
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- 238000003384 imaging method Methods 0.000 title claims abstract description 15
- 238000002076 thermal analysis method Methods 0.000 title claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 36
- 238000012545 processing Methods 0.000 claims abstract description 28
- 238000004458 analytical method Methods 0.000 claims abstract description 8
- 238000013519 translation Methods 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 claims 4
- 238000001514 detection method Methods 0.000 abstract description 14
- 239000000463 material Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 230000005284 excitation Effects 0.000 abstract description 4
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 238000002474 experimental method Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000036962 time dependent Effects 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 1
- 238000009614 chemical analysis method Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention belongs to the technical field of instrument analysis, and particularly relates to a near infrared double-light-source photo-thermal analysis sensing imaging device, which comprises a shell, wherein an automatic temperature control module, a double-wavelength laser switching module, an automatic sample processing module and a photo-thermal image acquisition module are sequentially arranged in the shell from bottom to top; the dual-wavelength laser switching module comprises a first laser emitter and a second laser emitter which are respectively and fixedly connected to two opposite inner side walls of the shell, a switching adjusting part is arranged between the first laser emitter and the second laser emitter, the first laser emitter and the second laser emitter are symmetrically arranged along the switching adjusting part, and the switching adjusting part is correspondingly arranged with the automatic sample processing module. When the dual-wavelength laser switching device is used, the dual-wavelength laser switching module is adopted, a laser passage is increased, lasers with different wavelengths can be switched to adapt to different photothermal conversion materials, and the excitation photothermal effect is improved, so that the analysis and detection sensitivity is improved.
Description
Technical Field
The invention belongs to the technical field of instrument analysis, and particularly relates to a near infrared double-light-source photo-thermal analysis sensing imaging device.
Background
In recent years, photo-thermal sensing technology has attracted a great deal of attention in the field of chemical/biological sensing as a powerful emerging detection method. With the gradual rise of photo-thermal sensing technology, photo-thermal sensing has become an important chemical analysis method, and photo-thermal sensing reported in literature is also increasing. However, some photo-thermal sensing devices used in the related fields at present are mostly self-assembled by setting up a platform, and have the defects of low sensitivity, inconvenient operation and poor scientificity, so that the photo-thermal sensing devices are difficult to be used for scientific researches of chemistry and biology.
Patent document 201920836114.8 discloses "a micro-liquid photo-thermal detector", which has some drawbacks and deficiencies. (1) The photo-thermal detector has no temperature control unit, is extremely easy to be interfered by the ambient temperature, and the detection precision is influenced by the variable ambient temperature; (2) The method is limited by a single reaction container, and can not realize the automatic and rapid detection of multiple samples. In addition, patent document 201822111983.2 discloses an automatic temperature-control dual-channel portable colloidal gold test strip photo-thermal detection device, which also has the following defects and disadvantages: the laser wavelength is limited (the fixed wavelength is 532 nm), the laser with different wavelengths is difficult to be randomly switched to adapt to different photothermal conversion materials, the excitation light with the selected laser wavelength has low thermal effect, and two lasers in the double channels must be replaced at the same time during replacement, otherwise, the double channels cannot be realized.
Disclosure of Invention
The invention aims to provide a near infrared double-light-source photo-thermal analysis sensing imaging device so as to solve the problems, and achieve the purposes of randomly switching lasers with different wavelengths to adapt to different photo-thermal conversion materials and realizing automatic and rapid detection of multiple samples.
In order to achieve the above object, the present invention provides the following solutions:
the near-infrared double-light-source photo-thermal analysis sensing imaging device comprises a shell, wherein an automatic temperature control module, a double-wavelength laser switching module, an automatic sample processing module and a photo-thermal image acquisition module are sequentially arranged in the shell from bottom to top;
the dual-wavelength laser switching module comprises a first laser emitter and a second laser emitter which are respectively and fixedly connected to two opposite inner side walls of the shell, a switching adjusting part is arranged between the first laser emitter and the second laser emitter, the first laser emitter and the second laser emitter are symmetrically arranged along the switching adjusting part, and the switching adjusting part is correspondingly arranged with the automatic sample processing module;
the automatic temperature control module, the automatic sample processing module, the photo-thermal image acquisition module, the first laser emitter, the second laser emitter and the switching adjustment part are electrically connected with the data processing and control module.
Preferably, the data processing and controlling module comprises a controller, the controller is electrically connected with a computer, and the controller is electrically connected with the automatic temperature control module, the automatic sample processing module, the photo-thermal image acquisition module, the first laser emitter, the second laser emitter and the switching adjusting part.
Preferably, the switching adjustment part comprises a rotary laser reflector rotatably connected to the inner side wall of the shell, the first laser transmitter and the second laser transmitter are symmetrically arranged along the rotary laser reflector, an electric diaphragm is fixedly connected to the inner side wall of the shell and positioned right above the rotary laser reflector, and the electric diaphragm is positioned right below the automatic sample processing module and electrically connected with the controller.
Preferably, the automatic temperature control module comprises two heaters fixedly connected to the bottom end of the inner side wall of the shell, the two heaters are respectively located on two opposite sides of the shell and symmetrically arranged, a cooling fan and a temperature sensor are fixedly connected to the inner side wall of the shell, and the heaters, the cooling fan and the temperature sensor are electrically connected with the controller.
Preferably, the automatic sample processing module comprises an electric control translation table which is slidably connected to the inner side wall of the shell, an orifice plate type reaction container is fixedly connected to the top surface of the electric control translation table, a reaction hole of the orifice plate type reaction container and a hole of the electric optical cable are coaxially arranged, the photo-thermal image acquisition module is located right above the orifice plate type reaction container, and the electric control translation table is electrically connected with the controller.
Preferably, the photo-thermal image acquisition module comprises a thermal imager fixedly connected to the top wall inside the shell, the thermal imager and the pore plate type reaction container are correspondingly arranged up and down, and the thermal imager is electrically connected with the controller.
Preferably, the metal partition plate is fixedly connected to the inner side wall of the shell, the metal partition plate is located above the heater, two symmetrically arranged laser fixing bases are fixedly connected to the top surface of the metal partition plate, and the two laser fixing bases are fixedly connected with the first laser emitter and the second laser emitter respectively.
Compared with the prior art, the invention has the following advantages and technical effects:
the invention adopts the dual-wavelength laser switching module, increases the laser path, can switch lasers with different wavelengths to adapt to different photothermal conversion materials, improves the excitation light thermal effect, thereby improving the analysis and detection sensitivity and greatly expanding the material selectivity in the photothermal sensing application; according to the invention, the laser beam diameter is regulated by the switching regulating part so as to adapt to different reaction containers, so that the detection requirements of different photo-thermal sensing experiments are enlarged; the invention adopts the automatic sample processing module to accurately and automatically control the relative position of the reaction container, thereby realizing the automatic detection of multiple samples.
The near-infrared double-light-source photo-thermal analysis sensing imaging device integrates the requirements of photo-thermal analysis sensing experiments into integrated equipment, realizes automatic control of switchable laser wavelength, adjustable laser beam diameter and multi-sample detection in the experimental process, greatly reduces system errors of manual operation, and improves the accuracy, reliability, repeatability and applicability of the photo-thermal sensing experiments.
Drawings
For a clearer description of an embodiment of the invention or of the solutions of the prior art, the drawings that are needed in the embodiment will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:
fig. 1 is a schematic structural view of the present invention.
1, a shell; 2. a heater; 3. a heat radiation fan; 4. a temperature sensor; 5. a metal separator; 6. a laser fixed base; 7. a first laser transmitter; 8. a second laser transmitter; 9. rotating the laser mirror; 10. an electric diaphragm; 11. an electric control translation stage; 12. an orifice plate type reaction vessel; 13. a thermal imager; 14. a controller; 15. and a computer.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1, the invention provides a near infrared dual-light source photo-thermal analysis sensing imaging device, which comprises a shell 1, wherein an automatic temperature control module, a dual-wavelength laser switching module, an automatic sample processing module and a photo-thermal image acquisition module are sequentially arranged in the shell 1 from bottom to top;
the dual-wavelength laser switching module comprises a first laser emitter 7 and a second laser emitter 8 which are respectively and fixedly connected to two opposite inner side walls of the shell 1, a switching adjusting part is arranged between the first laser emitter 7 and the second laser emitter 8, the first laser emitter 7 and the second laser emitter 8 are symmetrically arranged along the switching adjusting part, and the switching adjusting part is correspondingly arranged with the automatic sample processing module;
the automatic temperature control module, the automatic sample processing module, the photo-thermal image acquisition module, the first laser emitter 7, the second laser emitter 8 and the switching adjustment part are electrically connected with the data processing and control module.
The shell 1 is of a heat-insulating cavity structure so as to isolate the interference of external environment temperature on the photo-thermal sensing and maintain the constant temperature in the cavity of the shell 1.
The invention adopts the dual-wavelength laser switching module, increases the laser path, can switch lasers with different wavelengths to adapt to different photothermal conversion materials, improves the excitation light thermal effect, thereby improving the analysis and detection sensitivity and greatly expanding the material selectivity in the photothermal sensing application; according to the invention, the laser beam diameter is regulated by the switching regulating part so as to adapt to different reaction containers, so that the detection requirements of different photo-thermal sensing experiments are enlarged; the invention adopts the automatic sample processing module to accurately and automatically control the relative position of the reaction container, thereby realizing the automatic detection of multiple samples.
Further optimizing scheme, the data processing and control module comprises a controller 14, wherein the controller 14 is electrically connected with a computer 15, and the controller 14 is electrically connected with an automatic temperature control module, an automatic sample processing module, a photo-thermal image acquisition module, a first laser emitter 7, a second laser emitter 8 and a switching adjustment part.
Further optimizing scheme, switch adjusting part is including rotating the rotatory laser mirror 9 of connection on casing 1 inside wall, and first laser emitter 7, second laser emitter 8 are along rotatory laser mirror 9 symmetry setting, fixedly connected with electric diaphragm 10 on the casing 1 inside wall, and electric diaphragm 10 is located rotatory laser mirror 9 directly over, and electric diaphragm 10 is located automatic sample processing module under, electric diaphragm 10 and controller 14 electric connection.
The rotary laser reflector 9 is used for switching the first laser transmitter 7 and the second laser transmitter 8 to meet the experimental requirements of different photo-thermal sensors, the first laser transmitter 7 and the second laser transmitter 8 are provided with laser beam expanders to expand the laser diameters, the first laser transmitter 7 and the second laser transmitter 8 are laser transmitters with different wavelengths as light sources of the photo-thermal sensors, and the laser wavelength selection comprises but is not limited to the following combinations: 808nm+980nm,808nm+1064nm and 980nm+1064nm, so as to meet the experimental requirements of different photo-thermal sensing.
Further optimizing scheme, automatic temperature control module includes two fixed connection at the heater 2 of the bottom of casing 1 inside wall, and two heaters 2 are located the both sides that casing 1 is relative and the symmetry sets up respectively, fixedly connected with radiator fan 3, temperature sensor 4 on the inside wall of casing 1, heater 2, radiator fan 3, temperature sensor 4 all with controller 14 electric connection.
Before using the equipment, firstly, the temperature required by the experiment is set, the heater 2 is controlled to heat by the controller 14, the radiator fan 3 radiates heat and the temperature sensor 4 monitors feedback, so that the cavity temperature of the equipment shell 1 is balanced and stabilized, and the interference of the external environment temperature on the photo-thermal sensing is avoided.
Further optimizing scheme, automatic sample processing module includes sliding connection's automatically controlled translation platform 11 on casing 1 inside wall, fixedly connected with orifice plate class reaction vessel 12 on the top surface of automatically controlled translation platform 11, and the reaction hole of orifice plate class reaction vessel 12 sets up with the hole coaxial of electronic diaphragm 10, and photo-thermal image acquisition module is located directly over orifice plate class reaction vessel 12, automatically controlled translation platform 11 and controller 14 electric connection.
The electronic control translation stage 11 is used for setting the stepping distance and the residence time according to the orifice plate type reaction container 12 required by the experiment so as to realize the automatic detection of multiple samples. The well plate type reaction vessel 12 includes, but is not limited to, a high-permeability flat bottom 96 well plate, 48 well plate, 24 well plate made of commercially available polystyrene.
In a further optimized scheme, the photo-thermal image acquisition module comprises a thermal imager 13 fixedly connected to the top wall inside the shell 1, the thermal imager 13 and the pore plate type reaction container 12 are correspondingly arranged up and down, and the thermal imager 13 is electrically connected with the controller 14.
The thermal imager 13 is in the same straight line with the reaction hole of the orifice plate type reaction container 12 and the hole of the electric diaphragm 10, and the thermal imager 13 is used for collecting real-time thermal images of the reaction container under laser radiation. The thermal imager 13 is provided with a cut-off filter to prevent damage to the thermal imager 13 by the laser light and interference with data acquisition.
Further optimizing scheme, fixedly connected with metal baffle 5 on the inside wall of casing 1, metal baffle 5 are located the top of heater 2, fixedly connected with two laser instrument fixed base 6 that the symmetry set up on the top surface of metal baffle 5, two laser instrument fixed base 6 respectively with first laser emitter 7, second laser emitter 8 fixed connection.
The working process of the invention is as follows:
when a photo-thermal sensing experiment is carried out, firstly, an orifice plate type reaction container 12 containing reaction test liquid is arranged on the top surface of an electric control translation table 11 for fixation, a rotary laser reflector 9 is rotated according to the laser wavelength required by the experiment to switch a laser light source, and then a door of a shell 1 is closed;
then the temperature of the shell 1, the aperture of the electric diaphragm 10, the diameter of the reaction hole of the matched pore plate type reaction container 12, the stepping distance of the electric control translation table 11, the center distance of the hole of the matched pore plate type reaction container 12, the irradiation time and the laser emitter are set by the computer 15 and the controller 14, and the required laser emitter is selected.
After the cavity temperature of the shell 1 is stable, the first laser emitter 7 or the second laser emitter 8 is started to irradiate the experimental sample, the thermal imager 13 records the time-dependent change curve of the temperature of the experimental sample in real time, the temperature change value of the experimental sample and the concentration of the experimental analysis target object are calculated through the time-dependent change curve of the temperature to construct a standard curve, and the concentration of the experimental analysis target object is determined by utilizing the constructed standard curve and the temperature change value of the unknown sample.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (7)
1. The near-infrared double-light-source photo-thermal analysis sensing imaging device is characterized by comprising a shell (1), wherein an automatic temperature control module, a double-wavelength laser switching module, an automatic sample processing module and a photo-thermal image acquisition module are sequentially arranged in the shell (1) from bottom to top;
the dual-wavelength laser switching module comprises a first laser emitter (7) and a second laser emitter (8) which are respectively and fixedly connected to two opposite inner side walls of the shell (1), a switching adjusting part is arranged between the first laser emitter (7) and the second laser emitter (8), the first laser emitter (7) and the second laser emitter (8) are symmetrically arranged along the switching adjusting part, and the switching adjusting part is correspondingly arranged with the automatic sample processing module;
the automatic temperature control module, the automatic sample processing module, the photo-thermal image acquisition module, the first laser emitter (7), the second laser emitter (8) and the switching adjustment part are electrically connected with the data processing and control module.
2. The near infrared dual light source photothermal analysis sensor imaging apparatus of claim 1, wherein the data processing and control module comprises a controller (14), the controller (14) is electrically connected with a computer (15), and the controller (14) is electrically connected with the automatic temperature control module, the automatic sample processing module, the photothermal image acquisition module, the first laser emitter (7), the second laser emitter (8) and the switching adjustment part.
3. The near infrared dual light source photo-thermal analysis sensor imaging device according to claim 2, wherein the switching adjustment part comprises a rotary laser reflector (9) rotationally connected to the inner side wall of the shell (1), the first laser emitter (7) and the second laser emitter (8) are symmetrically arranged along the rotary laser reflector (9), an electric diaphragm (10) is fixedly connected to the inner side wall of the shell (1), the electric diaphragm (10) is located right above the rotary laser reflector (9), and the electric diaphragm (10) is located right below the automatic sample processing module, and the electric diaphragm (10) is electrically connected with the controller (14).
4. The near infrared dual light source photo-thermal analysis sensing imaging device according to claim 2, wherein the automatic temperature control module comprises two heaters (2) fixedly connected to the bottom ends of the inner side walls of the shell (1), the two heaters (2) are respectively located on two opposite sides of the shell (1) and symmetrically arranged, a cooling fan (3) and a temperature sensor (4) are fixedly connected to the inner side walls of the shell (1), and the heaters (2), the cooling fan (3) and the temperature sensor (4) are electrically connected with the controller (14).
5. The near infrared double-light-source photo-thermal analysis sensing imaging device according to claim 3, wherein the automatic sample processing module comprises an electric control translation table (11) which is slidably connected to the inner side wall of the shell (1), an orifice plate type reaction container (12) is fixedly connected to the top surface of the electric control translation table (11), a reaction hole of the orifice plate type reaction container (12) and a hole of the electric diaphragm (10) are coaxially arranged, the photo-thermal image acquisition module is located right above the orifice plate type reaction container (12), and the electric control translation table (11) is electrically connected with the controller (14).
6. The near infrared dual light source photo-thermal analysis sensing imaging device according to claim 5, wherein the photo-thermal image acquisition module comprises a thermal imager (13) fixedly connected to the top wall inside the shell (1), the thermal imager (13) and the pore plate type reaction container (12) are arranged correspondingly up and down, and the thermal imager (13) is electrically connected with the controller (14).
7. The near infrared double-light-source photo-thermal analysis sensing imaging device according to claim 4, wherein a metal partition plate (5) is fixedly connected to the inner side wall of the shell (1), the metal partition plate (5) is located above the heater (2), two symmetrically arranged laser fixing bases (6) are fixedly connected to the top surface of the metal partition plate (5), and the two laser fixing bases (6) are fixedly connected with the first laser emitter (7) and the second laser emitter (8) respectively.
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CN107478642A (en) * | 2017-07-27 | 2017-12-15 | 山东师范大学 | A kind of colloidal gold strip quantitative testing device and method based on photo-thermal effect detection |
CN108680508A (en) * | 2018-05-18 | 2018-10-19 | 中国检验检疫科学研究院 | Incorporated light fuel factor detector |
CN109557029A (en) * | 2018-12-14 | 2019-04-02 | 山东师范大学 | It is a kind of with temperature automatically controlled binary channels portable colloidal gold test paper strip Opto-thertnal detection device |
CN110470639A (en) * | 2019-08-22 | 2019-11-19 | 合肥利弗莫尔仪器科技有限公司 | A kind of multiple mode scanning microscopy imaging system based on induced with laser photo-thermal effect |
CN113640273A (en) * | 2021-07-13 | 2021-11-12 | 天津大学 | Photo-thermal Raman spectrum detection system and detection method based on energy transmission difference |
US20220390398A1 (en) * | 2019-11-20 | 2022-12-08 | Sheyang Research Institute Of Nanjing University | Laser heating single-sensor fast scanning calorimeter |
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2023
- 2023-11-22 CN CN202311571889.4A patent/CN117607058B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107478642A (en) * | 2017-07-27 | 2017-12-15 | 山东师范大学 | A kind of colloidal gold strip quantitative testing device and method based on photo-thermal effect detection |
CN108680508A (en) * | 2018-05-18 | 2018-10-19 | 中国检验检疫科学研究院 | Incorporated light fuel factor detector |
CN109557029A (en) * | 2018-12-14 | 2019-04-02 | 山东师范大学 | It is a kind of with temperature automatically controlled binary channels portable colloidal gold test paper strip Opto-thertnal detection device |
CN110470639A (en) * | 2019-08-22 | 2019-11-19 | 合肥利弗莫尔仪器科技有限公司 | A kind of multiple mode scanning microscopy imaging system based on induced with laser photo-thermal effect |
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CN113640273A (en) * | 2021-07-13 | 2021-11-12 | 天津大学 | Photo-thermal Raman spectrum detection system and detection method based on energy transmission difference |
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