CN211905385U

CN211905385U - Biosensor for detecting zearalenone based on aptamer

Info

Publication number: CN211905385U
Application number: CN202020545680.6U
Authority: CN
Inventors: 张圆圆
Original assignee: Heilongjiang River Fisheries Research Institute of Chinese Academy of Fishery Sciences
Current assignee: Heilongjiang River Fisheries Research Institute of Chinese Academy of Fishery Sciences
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-11-10
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses a biosensor based on nucleic acid adaptation physical examination detection zearalenone, including sensor housing, worm wheel and control framework, the discernment panel is installed to sensor housing's inner wall, and the below of discernment panel installs the loading board, the inside swing joint of loading board has the bottom plate, and the up end laminating of bottom plate has the paper pad, the worm wheel is fixed in the lower terminal surface of bottom plate, and the outside laminating of worm wheel has the worm, the preceding terminal surface of loading board is fixed with the closure plate, the control framework runs through in the inside of closure plate, and the internally mounted of control framework has the seal membrane. This detect biosensor of zearalenone's key feature utilizes worm wheel drive bottom plate to take place rotatoryly at the inner wall of loading board, just so makes irregularly shaped's object can carry out the angle, through running through the regulation that two sets of convenient operating personnel that close the inboard overturn the object and position, realizes treating the detection of detecting the object omnidirectional.

Description

Biosensor for detecting zearalenone based on aptamer

Technical Field

The utility model relates to a biosensor technical field specifically is based on nucleic acid aptamer detects biosensor of zearalenone.

Background

The biosensor is an instrument which is sensitive to biological substances and converts the concentration of the biological substances into an electric signal for detection, and is an analysis tool or system which is composed of an immobilized biological sensitive material as a recognition element, a proper physicochemical transducer and a signal amplification device. The biosensor has the functions of a receptor and a transducer.

At present, the biosensor cannot turn over and adjust the angle of an object to be detected in real time in the using process, the object to be detected is repeatedly taken out and replaced, and the detection difficulty is greatly increased.

Disclosure of Invention

An object of the utility model is to provide a biosensor based on nucleic acid aptamer detects zearalenone to solve the biosensor that proposes in the above-mentioned background art and can't be real-time in the use to the object that awaits measuring upset and the regulation of angle, the problem of the degree of difficulty that has increased the detection that the object that awaits measuring is very big is changed in taking out repeatedly.

In order to achieve the above object, the utility model provides a following technical scheme: biosensor based on nucleic acid aptamer detects zearalenone, including sensor housing, worm wheel and control framework, the discernment panel is installed to sensor housing's inner wall, and the below of discernment panel installs the loading board, the inside swing joint of loading board has the bottom plate, and the up end laminating of bottom plate has the paper pad, the worm wheel is fixed in the lower terminal surface of bottom plate, and the outside laminating of worm wheel has the worm, the preceding terminal surface of loading board is fixed with the closure plate, the control framework runs through in the inside of closure plate, and the internally mounted of control framework has the seal membrane.

Preferably, the identification panel and the paper pad are located in the same vertical direction, the inner wall of the bearing plate penetrates through the groove, and the paper pad and the groove are connected in an adhesive mode.

Preferably, the connection mode between the bottom plate and the inner wall of the bearing plate is movably connected, and the connection mode between the worm wheel and the worm is meshed connection.

Preferably, the worm wheel forms a rotating structure with the bearing plate through the bottom plate, and the bearing plate is of an L-shaped structure in appearance.

Preferably, the handle is arranged above the control frame body, the connection mode between the bearing plate and the sensor shell is a movable connection mode, the appearance structure of the control frame body is an annular structure, and the control frame body and the sealing film are symmetrically distributed and provided with 2 groups in a left-right mode about a vertical center line of the sensor shell.

Preferably, the closing plate and the front end face of the sensor shell form a closing structure, a display screen is arranged on the right side of the closing plate, and a control switch is installed below the display screen.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the device can be used for simultaneously detecting objects borne by the four groups of bearing plates through the design of four groups of structures, so that the detection capability and efficiency of the device are improved, and the bearing of the objects to be detected is realized by adopting the replaceable paper pad for adhesion, so that particles and impurities on the surfaces of the objects are prevented from being left in equipment;

2. the device utilizes the meshed connection between the worm and the worm wheel to enable the worm wheel to drive the bottom plate to rotate on the inner wall of the bearing plate, so that an object in an irregular shape can be angled, the detection of a special position is facilitated, and the operation is convenient and fast;

3. the device makes operating personnel can stretch into sensor housing's inside with the hand through running through two sets of control frameworks in the closure plate is inside, and then realizes overturning the object and the regulation of position, realizes treating the detection of detecting the object omnidirectional, convenient to use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the present invention;

fig. 3 is a schematic view of the side view structure of the worm of the present invention.

In the figure: 1. a sensor housing; 2. identifying a panel; 3. a carrier plate; 4. a groove; 5. a paper pad; 6. a closing plate; 7. a base plate; 8. a worm gear; 9. a worm; 10. a handle; 11. a control frame body; 12. a sealing film; 13. a display screen; 14. and controlling the switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a biosensor for detecting zearalenone based on a nucleic acid aptamer comprises a sensor shell 1, a worm wheel 8 and a control frame body 11, wherein an identification panel 2 is installed on the inner wall of the sensor shell 1, a bearing plate 3 is installed below the identification panel 2, a bottom plate 7 is movably connected inside the bearing plate 3, a paper pad 5 is attached to the upper end face of the bottom plate 7, the worm wheel 8 is fixed on the lower end face of the bottom plate 7, a worm 9 is attached to the outer side of the worm wheel 8, a closing plate 6 is fixed on the front end face of the bearing plate 3, the control frame body 11 penetrates through the closing plate 6, a sealing film 12 is installed inside the control frame body 11, the identification panel 2 and the paper pad 5 are located in the same vertical direction, a groove 4 penetrates through the inner wall of the bearing plate 3, the paper pad 5 is in adhesive connection with the groove 4, and the bottom plate 7 is in movable connection with the inner wall of the, the worm wheel 8 is connected with the worm 9 in a meshing manner, the device has the effects that through the design of four groups of structures, objects borne by the four groups of bearing plates 3 can be detected simultaneously by the device, the detection capability and efficiency of the device are improved, the influence of the external environment is reduced to the maximum extent by adopting a closed detection form, the bearing of the objects to be detected is realized by adopting the paper pad 5 which can be bonded and replaced, particles and impurities on the surfaces of the objects are prevented from being left in the device, and the cleanness of the interior is improved;

the worm wheel 8 forms a rotating structure with the bearing plate 3 through the bottom plate 7, the appearance structure of the bearing plate 3 is an L-shaped structure, the handle 10 is arranged above the control frame body 11, the bearing plate 3 is movably connected with the sensor shell 1, the appearance structure of the control frame body 11 is an annular structure, the control frame body 11 and the sealing film 12 are symmetrically distributed and arranged in 2 groups in a left-right mode about the vertical center line of the sensor shell 1, and the device has the advantages that the movable connection between the bottom plate 7 and the inner wall of the bearing plate 3 is utilized, meanwhile, the worm 9 is pushed forwards and backwards through the meshing connection between the worm 9 and the worm wheel 8, and the worm wheel 8 drives the bottom plate 7 to rotate on the inner wall of the bearing plate 3, so that irregular-shaped objects can be subjected to angle detection at special positions conveniently, and the operation;

the preceding terminal surface of closing plate 6 and sensor housing 1 constitutes closed structure, and the right side of closing plate 6 is provided with display screen 13, control switch 14 is installed to the below of display screen 13, its effect is that the device makes operating personnel can stretch into sensor housing 1's inside with the hand through running through at the inside two sets of control framework 11 of closing plate, and then the realization overturns the object and the regulation of position, the realization is treated the detection of detecting object full aspect, compare in mechanical structure's upset, the structure is simpler, manufacturing cost is lower, and adopt disposable seal membrane 12, can not cause the influence to the object that awaits measuring, and convenient to use.

The working principle is as follows: for this kind of biosensor, the device is mainly composed of a sensor housing 1, a worm wheel 8 and a control frame 11, when the device is used, firstly the device is placed stably and then the power is connected externally, then a handle 10 is held, the bearing plate 3 is pulled out by utilizing the movable connection between the bearing plate 3 and the sensor housing 1, and the object to be detected is placed on the inner side of the bearing plate 3, so that the object to be detected is placed stably above the paper pad 5, the problem that impurities and the like on the surface of the object to be detected are left in the sensor housing 1 can be avoided through the paper pad 5, then the closing plate 6 can be pushed inwards to close the surface of the sensor housing 1, the object below can be detected by utilizing the identification panel 2 right above, and because the sensor housing 1 is provided with the groups of grooves 4, four groups of objects can be detected simultaneously, the worm 9 can be held and pushed inwards in the detection process, make and take place rotatoryly with worm 9 mesh connection's worm wheel 8, just so make worm wheel 8 drive bottom plate 7 rotatory, make the rotation that the object that detects takes place the angle, and real-time display screen 13 and control switch 14 of utilizing is controlled equipment, when needs overturn etc. operation to the object, operating personnel can stretch into control frame body 11 inboardly with the hand, it is rotatory to utilize seal membrane 12 to grasp the object, need not to take out the object, and external object is direct not with the object contact that awaits measuring, avoid receiving the influence.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Biosensor based on nucleic acid aptamer detects zearalenone, including sensor housing (1), worm wheel (8) and control framework (11), its characterized in that: discernment panel (2) are installed to the inner wall of sensor housing (1), and the below of discernment panel (2) installs loading board (3), the inside swing joint of loading board (3) has bottom plate (7), and the up end laminating of bottom plate (7) has paper pad (5), worm wheel (8) are fixed in the lower terminal surface of bottom plate (7), and the outside laminating of worm wheel (8) has worm (9), the preceding terminal surface of loading board (3) is fixed with closing plate (6), control framework (11) run through in the inside of closing plate (6), and the internally mounted of control framework (11) has seal membrane (12).

2. The aptamer-based biosensor for detecting zearalenone according to claim 1, wherein: the identification panel (2) and the paper pad (5) are located on the same vertical direction, the inner wall of the bearing plate (3) penetrates through the groove (4), and the paper pad (5) and the groove (4) are connected in an adhesive mode.

3. The aptamer-based biosensor for detecting zearalenone according to claim 1, wherein: the connection mode between the bottom plate (7) and the inner wall of the bearing plate (3) is movable connection, and the connection mode between the worm wheel (8) and the worm (9) is meshed connection.

4. The aptamer-based biosensor for detecting zearalenone according to claim 1, wherein: the worm wheel (8) forms a rotating structure with the bearing plate (3) through the bottom plate (7), and the appearance structure of the bearing plate (3) is an L-shaped structure.

5. The aptamer-based biosensor for detecting zearalenone according to claim 1, wherein: the top of control framework (11) is provided with handle (10), and the connected mode between loading board (3) and sensor housing (1) is swing joint, the appearance structure of control framework (11) is the loop configuration, and control framework (11) and seal membrane (12) all are provided with 2 groups about the vertical central line bilateral symmetry distribution of sensor housing (1).

6. The aptamer-based biosensor for detecting zearalenone according to claim 1, wherein: the sensor is characterized in that the closing plate (6) and the front end face of the sensor shell (1) form a closing structure, a display screen (13) is arranged on the right side of the closing plate (6), and a control switch (14) is installed below the display screen (13).