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IVIS Spectrum 小动物活体成像系统

IVIS® Spectrum 小动物活体光学成像系统是全球首台同时具备生物发光、荧光、化学发光及切伦科夫二维/三维成像功能的系统,代表了目前活体光学成像技术的最高水平。

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For research use only. Not for use in diagnostic procedures.

详情 信息

IVIS Spectrum系统同时具备二维及三维断层水平的生物发光、荧光、切伦科夫辐射成像功能,能够无创伤地在活体动物水平对疾病的发生发展及治疗、细胞的动态变化、基因的实时表达进行长期观测。基于顶级的硬件配置,系统具备了业内公认最高灵敏度的生物发光及荧光成像性能,并且是目前唯一同时具备生物发光和荧光三维成像性能的系统,因此能够和其它模式的三维影像系统(如MRI、CT 及 PET 等)联合使用,将不同模式的三维影像进行融合,实现功能性 成像与结构性成像的结合。

 

主要特点:

 

  • 高灵敏度生物发光及荧光成像
  • 3D 断层扫描及重建
  • 精确定量
  • 高通量
  • 高分辨率(达20微米)
  • 28个高效滤光片,覆盖430-850nm全波段
    • 实现基于多光谱扫描的高品质光谱分离成像
    • 实现基于光谱分离成像而进行的背景去除及多探针成像
  • 多模式成像及影像融合

特点与优势

  • High-sensitivity in vivo imaging of fluorescence and bioluminescence
  • High throughput (5 mice) with 23 cm field of view
  • High resolution (to 20 microns) with 3.9 cm field of view
  • Twenty eight high efficiency filters spanning 430 – 850 nm
  • Supports spectral unmixing applications
  • Ideal for distinguishing multiple bioluminescent and fluorescent reporters
  • Optical switch in the fluorescence illumination path allows reflection-mode or transmission-mode illumination
  • 3D diffuse tomographic reconstruction for both fluorescence and bioluminescence
  • Ability import and automatically co-register CT or MRI images yielding a functional and anatomical context for your scientific data.
  • NIST traceable absolute calibrations
  • Gas anesthesia inlet and outlet ports
  • Class I Laser Product

规格

显像模式 Optical Imaging
光学成像分类 Bioluminescence imaging, Fluorescence Imaging
便携式 No
产品品牌名称 IVIS
资源,活动及更多信息
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活动

链接

Video Article

产品手册

3D Multimodality Imaging: See disease in all its dimensions

It’s simple: More information means more understanding,For today’s researchers in oncology, infectious diseases, inflammation, neuroscience, stem cells,and other disciplines, there’s an increasing need for in vivo imaging that enables you to visualize,multiple events simultaneously and to extract the maximum amount of information from each,subject – leading to greater biological understanding.,Multimodal imaging enables a better understanding of disease biology. By utilizing in vivo,optimized bioluminescent and fluorescent agents and radioactive probes, researchers can,measure depth, volume, concentration, and metabolic activity, providing a wealth of information,for untangling the mysteries of disease.,Coregistration allows researchers to overlay images from multiple imaging modalities, providing,more comprehensive insight into the molecular and anatomical features of a model subject.,For example, optical imaging data can be used to identify and quantify tumor burden at,the molecular level and, when integrated with microCT, provides a quantitative 3D view of,anatomical and functional readouts.,At PerkinElmer, we’ve developed industry leading imaging technology for preclinical research.,Our technology integrates 3D optical and PET modalities with microCT to provide a better,understanding of disease. And that means better monitoring of disease progression, earlier,detection of treatment efficacy, and deeper understanding of metabolic changes that take place,throughout disease development.

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IVIS Spectrum Product Note

The IVIS Spectrum advanced pre-clinical optical imaging system combines high throughput and full tomographic optical imaging in one platform. The system uses leading optical imaging technology to facilitate non-invasive longitudinal monitoring of disease progression, cell trafficking and gene expression patterns in living animals. Take full advantage of bioluminescent and fluorescent reporters across the blue to near infrared wavelength region using optimized set of high efficiency filters and spectral unmixing. It also offers true 3D tomography for both fluorescent and bioluminescent reporters that can be analyzed in anatomical context against a Digital Mouse Atlas or registered with other tomographic technologies such as MR, CT or PET through the multimodality module.

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小动物仪器及应用综合样本

小动物活体成像综合产品彩页

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小动物多模式成像样本

小动物活体三维多模式成像解决方案

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产品说明

IVIS SPECTRUM

IVIS SPECTRUM 产品彩页

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RAS-4 Rodent Anesthesia System

The Xenogen XGI-8 Gas Anesthesia System is designed to work with the IVIS Imaging System, a technology from Xenogen that allows researchers to use r eal-time in vivo imaging to monitor and record cellular and genetic activity within a living organism.

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合规认证证书

应用文献

Advances in 3D Optical Imaging Quantification and Sensitivity

Pre-clinical in vivo imaging,Advances in the detection and quantification for 3D optical tomography of bioluminescent and fluorescent reporters to quantify in terms of either cell number or absolute pmol concentration will be discussed. These methods include enhancing the detected signal levels using slight compression which reduces the amount of tissue light propagates through. Calibration techniques to improve signal location by reducing the excitation light artifacts, the amount of detected autofluorescence and techniques to quantify 3D reconstruction results in terms of biological activity will be demonstrated.,Introduction,Optical tomography of bioluminescent and fluorescent reporters in pre-clinical animal models is an important technology for the translational study of disease and drug development. However, the quality of 3D reconstructions can be limited by the sensitivity of detection. 3D results often lack quantification with biologically relevant units, therefore, new methods to improve detection and to quantify the results in terms of absolute cell number or dye molecules have been developed.

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Cerenkov Imaging of Radioisotopes in IVIS systems

Cerenkov Emission from radioisotopes in tissue,Optical imaging detects photons in the visible range of the electromagnetic,spectrum. PET and SPECT imaging instruments are sensitive to photons in the much,higher energy range of x-rays and gamma rays. While the PET and SPECT probes,which can generate Cerenkov light in tissue will continue to produce the relevant,gamma- and x-rays, visible photons will be produced from the Cerenkov emission,which the IVIS® will detect.,In beta decay emitters such as PET probes and isotopes such as 90Y, 177Lu, 131I and 32P,the beta particle will travel in the tissue until it either annihilates with an electron or,loses momentum due to viscous electromagnetic forces.,It is possible that the beta (electron or positron),is relativistic, traveling faster than the speed,of light in the tissue. While it is impossible,to travel than the speed of light in a vacuum,(c), the speed of light in tissue is v = c / n,where n is the tissue index of refraction and,n = 1. Cerenkov photons will be generated,by a relativistic charged particle in a dielectric medium such as tissue.

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Stem Cell Research and Regenerative Medicine

With the potential to treat a wide range,of disease, from organ damage to,congenital defects, stem cell research,and tissue engineering form the underlying,basis of regenerative medicine. Significant,advances in the science of skin regeneration,for example, have now made it possible to,develop and grow artificial skin grafts in a,lab for treatment of burn victims. Other therapeutic applications include the use of,stem cells to treat and repair central nervous system diseases such as ischemia and,cerebral palsy, cardiovascular diseases, as well as autoimmune diseases including,type I diabetes. However, critical research addressing safety concerns, exploring,therapeutic function, and assessing mechanisms of action must be completed prior,to human adoption. IVIS® technology is being widely used to explore stem cell,research outcomes in preclinical small animal models, which serve as key test pre-cursors to human clinical trials.

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技术说明

Adaptive Fluorescence Background Subtraction

Adaptive Fluorescence Background Subtraction Pre-clinical in vivo imaging technical note for IVIS Imaging Systems. Instrument background occurs when excitation light leaks through the emission filter. This occurs more frequently when the excitation and emission filters are narrowly separated. The ring you see is a result of non specific light reflecting off of the stage at an incident angle and passing through the filter causing what appears as leakage around the edges.

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AutoExposure

Auto-exposure technical note for IVIS pre-clinical imaging systems

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DLIT 1 Setup

DLIT setup and acquisition IVIS pre-clinical imaging systems. Bioluminescence Tomography or Diffuse Light Imaging Tomography (DLIT) utilizes the data obtained from a filtered 2D bioluminescent sequence in combination with a surface topography to represent the bioluminescent source in a 3D space. Utilizing DLIT, you can determine the depth of sources in your animal and calculate the absolute intensity of that source.

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DLIT 2 Topography

DLIT 2 Topography technical note for IVIS Spectrum imaging system. The IVIS Spectrum has a laser galvanometer that we routinely use to project the FOV onto the surface of the instrument. It produces the green outline you see on the stage when the door is opened. We utilize this laser to project a series of parallel lines across your subject. We acquire a photographic image (the Structured Light Image) when the lines are projected across the animal and from that image we can calculate the height at points on the back of your subject based on the curvature of these laser lines as they cross over the subject. This height map allows us to reconstruct a shell or isosurface of your animal. This shell is referred to as the Surface Topography and is used in calculating bioluminescent signal depth and intensity during the DLIT 3D source reconstruction.

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DLIT 3 Reconstruction

DLIT 3 Reconstruction technical note for IVIS Spectrum imaging systems

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Determine Saturation

Determine Saturation for IVIS imaging systems - technical note

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Drawing ROIs

Technical notes for Drawing ROIs for IVIS in vivo imaging systems. The circle, square, free draw, or grid (for well plates) can be used to draw your ROIs. ROI selections,are user-specific and are dependent on the model being analyzed. It is irrelevant which shape that is used for a particular ROI.

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FLIT 2 Topography

Fluorescence Tomography – Setup and Sequence Acquisition

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FLIT 3 Reconstruction

Fluorescence Tomography – Source Reconstruction and Analysis - FLIT Reconstruction

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High Resolution Images

Acquisition of High Resolution Images. This quick reference guide is for those researchers who wish to perform analysis that requires high resolution including in vitro studies when one may want to discern aspects about cell layers, ex vivo tissue imaging, or imaging of tissue slices. You will not need this resolution in most in vivo studies.

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Image Overlay 2D

Not only is it possible to load multiple images as a group, for example multiple days of a longitudinal study, but it is also possible to load multiple images and Overlay them i.e. bioluminescent tumor with fluorescent targeted drug acquired in two separate images.

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Image Overlay 3D

It is possible to copy 3D sources (voxels) from one 3D reconstruction into another. For example, superimposing DLIT or FLIT signals is easy. However, the two combined sources must be based upon the same surface topography to produce meaningful information. Therefore it is imperative that the mouse remain completely still between acquisition of the DLIT and FLIT images.

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Kinetic Analysis of Bioluminescent Sources

Acquiring the most accurate quantitation of your bioluminescent sources requires a close understanding of the underlying kinetics involved in producing and capturing the detected light. After injection, the substrate for your bioluminescent probe will diffuse through the body of your subject eventually coming in contact with the luciferase enzyme in your target cells. In the case of Firefly luciferase, D-luciferin is catalyzed to oxyluciferin in the presence of ATP, Mg2+, and oxygen producing light as a consequence. It is this light that is measured and used to accurately quantify your samples in vivo. The diffusion of D-luciferin is dependent on several factors including but not limited to method of injection, metabolism, and tissue localization of your source.

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Loading Groups of Images

For many studies, it may be desirable to open a group of images together, for example, analyzing multiple days of longitudinal study side by side using the same scale.

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Spectral Unmixing

This guide will walk you through the steps of manually entering your sequences for the spectral unmixing procedure. The Living Image 4.3.1 software version includes an Autoexposure setting and an Imaging Wizard. For questions on how to use these two features please see the respective quick reference guide associated with these workflows. You can also find information pertaining to the use of these features in the Spectral Unmixing Wizard Setup reference guide. These features are designed to make setting up your sequences as easy as possible and we highly recommend that you take advantage of them when performing these steps.

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Subject ROI

Subject ROI using IVIS imaging systems

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Transillumination 1 Setup

Transillumination is a 2D fluorescence imaging technique that utilizes an excitation light source located below the stage. Transillumination is superior to epi-illumination at detection of red-shifted, deep tissue fluorescent sources due to the transilluminator’s concentrated delivery of excitation light into the subject via a 2 mm beam and lower autofluorescence levels attained due to the position of the animal in relation to the excitation light.

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Transillumination 2 Raster Scan

In order to facilitate faster transillumination imaging, with Living Image 4, we have incorporated raster scanning capabilities. With raster scanning, the shutter remains open as the transillumination excitation source moves underneath the animal. This results in a single image and faster imaging times.,Note: This Transillumination Fluorescence – Raster Scan Tech Note was designed as a supplement to Transillumination Fluorescence Tech Note 14a. For information about setup of your 2D transillumination fluorescence sequences, please first consult that tech note.

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Transillumination 3 Normalized

Normalized transmission fluorescence is a technique that allows us to subtract background light leakage through thin tissue from transillumination images utilizing an extra image captured with a neutral density (ND) filter. The ND filter dampens the intensity of the halogen lamp to 1/100th of the source intensity but does not filter out specific wavelengths. Light of all wavelengths is allowed to pass through the animal and the image is collected with the emission filter of your choice.

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Well Plate Quantification Library

Bioluminescence and Fluorescence tomography allows a user to determine not only the depth and anatomical localization of their source(s) but also the intensity of those sources expressed as either photons/second (DLIT) or total fluorescent yield (pmol/M cm) (FLIT). It is possible to extrapolate the number of cells in a DLIT source or the number of dye molecules or cells in a FLIT source if a quantification database is available. The database is derived from an analysis of images of known serial dilutions of luminescent or fluorescent cells, dye molecules, or labeled compounds.

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Working with Image Math

Working with Image Math. Image Math is a rudimentary but effective method for Spectrum and Lumina users to subtract background from images without performing Spectral Unmixing.

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特色刊物说明

Imaging of tumor clones with differential liver colonization

Colorectal cancer patients often develop liver metastases and thus, frequently have poor prognosis. There additionally appears to be a vast heterogeneity in their liver metastatic disease, a characteristic that hasn’t been adequately explored in animal models of colorectal cancer. While bioluminescence imaging (BLI) has been widely used to non-invasively monitor colorectal cancer and liver metastastic development in vivo, a study specifically emphasizing their growth rates and colonization efficiencies within the liver microenvironment hasn’t been attempted until now.

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