(35mm) 1.5T Magnetic Resonance Imaging Research System

The (35mm) 1.5T magnetic resonance imaging research system achieves a magnetic field strength of 1.5T under permanent magnets, which can achieve an effective imaging space of 30mm * 35mm and is compatible with the field strength experimental environment of hospital human magnetic resonance imaging equipment. Provide research experiments for preclinical, small animal, and molecular level magnetic resonance imaging. The combination of 1.5T field strength and maintenance free magnet technology, high-performance gradient system, and RF coil technology provides users with ultra-high spatial resolution, enabling their research capabilities to reach the molecular level on live animals, greatly expanding the experimental field and improving experimental level.

(35mm) 1.5T Magnetic Resonance Imaging Research SystemUnder the permanent magnet, a magnetic field strength of 1.5T can be achieved, which can achieve an effective imaging space of 30mm * 35mm and is comparable to the field strength experimental environment of hospital human MRI equipment. Provide research experiments for preclinical, small animal, and molecular level magnetic resonance imaging. The combination of 1.5T field strength and maintenance free magnet technology, high-performance gradient system, and RF coil technology provides users with ultra-high spatial resolution, enabling their research capabilities to reach the molecular level on live animals, greatly expanding the experimental field and improving the experimental level. The 1.5T mouse nuclear magnetic resonance imaging system can be widely used in teaching and research work such as applied physics, biophysics, life sciences, medical imaging, biomedicine, and preclinical experiments in medicine. HT-MRSI60-35A (permanent magnet) adopts a high uniformity magnetic field system, and the magnetic field control uses deuterium external locking field to ensure the stability of the magnetic field for long-term acquisition of four-dimensional data (stability 10Hz/Month), while reducing environmental requirements (high-precision operation can be carried out at ambient temperatures of 10-35 degrees). The processing computer uses workstations to achieve large-scale data processing capabilities. Multiple pulse sequences are provided, and users can freely edit the pulse sequences. Suitable for molecular imaging research on mice, small animals and plants.

1(35mm) 1.5T Magnetic Resonance Imaging Research SystemMain technical parameters of the product:

1. Magnetic resonance imaging experiment on mice (two-dimensional, three-dimensional imaging)

2. Magnetic field strength: 1.45T ± 0.05T

3. Resonance frequency: 59MHz ± 2MHz

4. The diameter of the magnetic pole is 200mm

5. Sample size: Φ 35mm * H45mm (3D full imaging)

6. Magnetic field uniformity:<5ppm, Φ 30mm * H45mm full space

7. Magnet temperature control: Nonlinear precise constant temperature control, adjustable within the range of 25~35 ℃, with a chamber temperature control accuracy of ± 0.005 ℃; Display accuracy of 1m ℃

8. Signal to noise ratio: 55dB, image distortion:<1%

9. Graphics resolution: Normal mode 128 * 128 * 128 (3D), 256 * 256 * 128 (3D), high-resolution mode 512 * 512 * 128 (3D)

10. Gradient magnetic field strength: 11 Gs/cm (1.1 mT/cm or 110 mT/m)

11. Resolution better than 0.08mm

12. Image linearity: The X, Y, and Z directions are all better than 98% (30mm × 30mm × 45mm)

13. Maximum gradient magnetic field: 120mT/m in X, Y, Z directions

14. Magnetic field stability: The magnetic field stability has a Larmor frequency drift of 100Hz/h per hour

15. Spatial resolution: Normal mode 0.15mm, high mode 0.08mm

2、 Main functions of the instrument:

1. Research on T1/T2 magnetic resonance contrast agent relaxation measurement, in vitro and in vivo imaging of contrast agents in animals

2. Mouse live magnetic resonance imaging; Mouse three-dimensional magnetic resonance imaging function, (small animal and plant three-dimensional magnetic resonance imaging)

3. Two dimensional spin echo T1 weighted graph, T2 weighted graph

4. Three dimensional gradient echo (3DGRE) imaging, three-dimensional spin echo imaging experiment, three-dimensional stereo imaging experiment

5. Two dimensional arbitrary angle multi-layer (MSE) imaging; Hard pulse CPMG pulse sequence measurement T2; inversion recovery (IR) pulse sequence measurement T1

6. 3D imaging data acquisition and image inversion for 3D stereo reconstruction (pseudo color image reconstruction)

7. Can save experimental data in the standard file format for medical digital imaging and communication using DCOM

8. Provide relevant sequence software, relaxation time acquisition and testing software, 2D and 3D imaging software, and 3D data inversion and stereo reconstruction software

9. It is possible to save experimental data images from multiple angles and observe sample images

10. The system adopts Ethernet acquisition, and the 3D magnetic resonance imaging acquisition software can be connected to the GPU computing system

11. All software sequence source code can be open to users, providing a window for customers to write relevant experimental sequences themselves

3、 The main research content of the 1.5T magnetic resonance imaging research system is:

1. It can conduct research on the principles of magnetic resonance imaging, imaging technology experiments, hardware structure experiments, and application expansion experiments.

2. Magnetic resonance imaging experiments, three-dimensional spatial imaging, and two-dimensional imaging research.

3. Experimental study on the improvement and artifact research of magnetic resonance imaging, and the influence of various parameters of spin echo sequence on imaging effect:

a、 Folding artifact observation

b. Observation of zipper artifacts

c. Observation of chemical shift artifacts

4. Observation of research samples for magnetic resonance imaging (three-dimensional and two-dimensional imaging experiments of mice, small animals and plants), and research on molecular imaging of mice.

5. Measurement of relaxation time of experimental samples, multi angle observation and arbitrary angle storage of experimental sample images, magnetic susceptibility imaging and other related experiments, three-dimensional imaging data acquisition and image inversion, three-dimensional stereo reconstruction (pseudo color image reconstruction) can be widely applied in scientific research such as life sciences, medical imaging, biomedicine, and preclinical experiments of medicine.

6. The application fields of the equipment include magnetic resonance equipment research, biomedical engineering, tumor molecular imaging contrast research, experimental research in molecular biochemistry, imaging experiments of small animals in vivo (such as live mouse MRI experiments), and other related fields.