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Kính hiển phân giải siêu cao (STED) Leica TCS SP8 STED 3X

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Tình trạng: Liên hệ
Kính hiển vi TCS SP8 STED 3X (làm nghèo phát xạ cảm ứng) mang lại đáp ứng quang học hoàn toàn, nhanh chóng cho quá trình nghiên cứu cấu trúc dưới mức tế bào và động lực học tỷ lệ nano. STED với độ phân giải siêu cao đáp ứng được mọi yêu cầu trong việc nghiên cứu hàng ngày và phát hiện được các chi tiết siêu nhỏ với khả năng tạo ảnh tế bào sống.
TCS SP8 STED 3X đáp ứng toàn bộ quang phổ của ánh sáng khả kiến và mở ra cánh cửa mới về độ phân giải siêu cao với mọi kích cỡ.
Bảo hành: 12 tháng


Giá bán: Liên hệ




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STED Super-Resolution

Leica TCS SP8 STED 3X - Your Next Dimension

 

 

The Leica TCS SP8 STED 3X super-resolution microscope is based on the STED (STimulated Emission Depletion) principle developed by Nobel Prize laureate Stefan Hell. It provides fast, intuitive, and purely optical access to study subcellular architecture and dynamics at the nanoscale. STED super-resolution meets the requirements of daily research and enables researchers to discover minute details with live cell imaging capabilities. TCS SP8 STED 3X, allows the whole spectrum of visible light and opens the door to super-resolution in all dimensions.

 

 

  Contact Us For Personal Support

If you have a demo request, questions about your existing
Leica system or any other topic, please contact us.

 

 

 

 

 

New Technologies that Strengthen Your Science

 

 

● Tunable and direct super-resolution in x,y and z reveals smallest details.

 

● Multiple STED lines open up the full spectrum of visible light.

 

● Gated detection improves resolution and increases live cell capabilities.

 

● STED WHITE objective offers optimal color correction for the full spectrum.

 

● Auto beam alignment provides stability and reliability.

 

● Smart STED Wizard intuitively controls your experiments.

 

● Huygens deconvolution gets more from your raw data.

 

● Smallest configuration available with compact supply unit.

 

● Modular concept based on TCS SP8 allows upgrades at any time.

 

 

STED 3X made a quantum leap by expanding into new
dimensions – multicolor super-resolution imaging of the cell will surely revolutionize cell biology.

 

Dr. Yasushi OkadaRIKEN Quantitative Biology Center, Osaka, Japan

 

 

 
 

 

The “R&D 100 Award 2014” and the “Scientist Top 10 Innovations Award 2014” recognize the Leica TCS SP8 STED 3X among the most significant high-technology products introduced in the past year.

 

 

 

 

STED in the 3rd Dimension

 

  Multiple STED light paths

 

With TCS SP8 STED 3X, two light paths are available at the instrument that generate different STED patterns. The vortex phase mask creates the classic STED donut which improves resolution only in x and y. A second light path with a different phase mask forms the z donut that increases resolution also in z. STED light can be steplessly distributed between the two paths.

 

Engineer your PSF

 

You can choose between best lateral resolution, best vertical resolution or anything in between to get optimal results. Ultra-thin optical sections reveal unknown details. TCS SP8 STED 3X gives you the possibility to match the resolution of your microscope in all dimensions to your question and specimen.

 

 

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Adding the third dimension and an additional STED line to STED imaging allows us to see things that were impossible to see before.

 

DR. TIMO ZIMMERMANN
Center for Genomic Regulation, Barcelona, Spain
 

 

 

 

 

Surface rendered 3D reconstruction after Huygens deconvolution of z stack (91 planes). The STED data (green) show a clear lateral resolution increase when STED is used to maximize resolution in xy (green sector in the back) or in all dimensions (green sector in front) compared to the confocal result (red). Clearly the best representation of the observed structure is obtained by 3D STED.

 

 

 

 

Select Your Resolution

 

Resolution improvements by allocating the light to the two STED pathways: best lateral resolution is achieved by the classic vortex donut, best vertical resolution by the novel z donut. It can also be optimized for smallest focal volume.

 

 

 

Multicolor Super-Resolution

 

Cover the whole spectrum of visible light

 

Multicolor applications give access to detailed information about the interrelationships of various structures. The STED 3X module offers multiple STED laser lines in one instrument: two continuous wave lasers at 592 nm and 660 nm and a pulsed laser at 775 nm, which reaches resolutions below 30 nm, cover the whole spectrum of visible light and give access to many applicable fluorophores.

 

More colors make the difference!

 

The White Light Laser, the AOBS (acousto optical beam splitter) and the tunable spectral detector synergistically enable you to image any kind of fluorophore combination and give you the highest flexibility for your multicolor super-resolution experiment.

 

STED means for me: Seeing The Essential Details!

 

DR. STEPHAN SIGRIST
FU Berlin, Germany

 

 

STED image of triple immunostaining in HeLa cells: Green:

NUP153-Alexa 532, red: Clathrin-TMR, white: Actin-Alexa 488.

 

 

 

 

 

 

Gated STED - Enter Your Gateway to Live Cell Super-Resolution

 

 

Gated STED substantially extends the functionality of the proven STED CW, giving you the option of higher resolution or lower laser power. More images are obtained and smaller details revealed.
In STED CW imaging resolution is highly dependent on the lifetime of the fluorophore. The STED laser silences fluorophores with long lifetimes more efficiently than short-living ones. The longer a fluorophore stays on average in the excited state, the higher is the chance for stimulated emission and therefore the better the resolution. The lifetime is not evenly distributed at the focal spot and long-living states are found in the center, whereas short-living states are located at the periphery where the STED laser is active. Observing only the long-lived states shrinks the effective spot further.

 

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Live cell imaging: ANF GFP labeled dense core vesicles moving along axons ca. 10 μm deep inside an intact anaesthetized drosophila larva. A confocal and a STED image were recorded every 0.45 seconds. Movie above: Particle tracking performed by TrackMate (Fiji). Figure below: individual confocal and STED frames of such a movie at given time points. Courtesy of Prof. Sigrist, FU Berlin, Germany

 

Confocal

 

Leica TCS SP8 X

 

STED

 

 

Resolution Below 50 nm with HyD™ and White Light Laser

 

The HyD™ detectors together with the White Light Laser as pulsed excitation source give the possibility to detect only in a certain time gate after the excitation pulse. By shifting the time gate away from the excitation pulse a resolution far below 50 nm can be reached. With the same laser power, gated STED achieves a more than 50% higher resolution than STED CW. Smaller details can be observed without the need to apply more STED light, increasing live cell capabilities.

 

 

Lifetime distribution of fluorophores in the effectiv focal spot of aSTED CW microscope. Long-living states (red) are located at the center whereas short living ones (blue) at the periphery.

 

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Leica TCS SP8 X

 

 

 

 

Software Solutions for TCS SP8 STED 3X

 

 

Know your resolution

 

STED microscopy is the fast and direct way to super-resolution. The LAS AF (Leica Application Suite Advanced Fluorescence) grants you the greatest possible comfort. A sketch of the estimated effective PSF gives you direct and online visual feedback on the effects of your chosen technical parameters.

 

Intuitive workflow


As an additional innovation the Smart STED Wizard is implemented into LAS AF. The intuitive workflow allows you to control the instrument with three simple sliders. Assisted by the sketch of the effective PSF you define the general level of super-resolution you need. For optimal outcome the wizard adjusts all necessary settings like STED laser intensity, pixel size, z step size, the pinhole, gate settings and averaging.

 

Powerful Huygens STED deconvolution

 

With every TCS SP8 STED 3X system you exclusively get a powerful Huygens STED deconvolution package by SVI. Huygens increases contrast dramatically and also enhances resolution in x, y and z. The outcome can be directly compared with the raw data and avoids being mislead by image processing artifacts. Leica and SVI have enabled Huygens to handle 3D STED data and have developed LAS AFHuygens data exchange that facilitates the interplay of the two software packages. One mouse click sends acquired data to Huygens for deconvolution. Vice versa, deconvoluted pictures are just as easily sent back to LAS AF.

 

 

The ability to do STED in 3D will bring our research to the next level – right on spot of the researcher‘s needs.

 

DR. CHRISTIAN EGGELING
University of Oxford, UK
 

 Leica TCS SP8 X

 

 

Smart STED workflow
1. Adjust the desired effective PSF with the STED and 3D slider
2. Choose between signal-to-noise and number of images with the dosage slider
3. Define the area of interest during a confocal live scan and adjust excitation accordingly
4. Collect your super-resolved data by capturing an image or starting a series

 

 
 

 

 

 

 

STED WHITE Objective for the Whole Spectrum of Light

 

Objectives are the eyes of every microscope and critical for determining the resolving power of a confocal system. Transmission and color correction of an objective influence excitation and detection efficiencies.

 

Based on the excellent Leica CS2 objectives, Leica Microsystems has designed a new objective with optimal chromatic correction and transmission for STED 3X. The Leica HC PL APO 100x/1.40 OIL STED WHITE enables you to perform STED microscopy in the full spectrum of visible light.

 

 

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Triple immunostaining in HeLa cells (I)

Red: NUP153-Alexa 532.
Green: Clathrin-TMR.
White: Actin-Alexa 488.

HeLa cells, fixed in methanol.
Huygens deconvolved xy images.

 

Triple immunostaining in HeLA cells (II)

Green: NUP153-Alexa 532.
Red: Clathrin-TMR.
White: Actin-Alexa 488.

HeLa cells, fixed in methanol.
Huygens deconvolved xy images.

 

Field of view 58 x 58

Immumofluorescence in HeLa cells, fixed in methanol.
Green: NUP153-Alexa 532.Red: Clathrin-TMR.

Field of view: 58 x 58 µm.
Huygens deconvolved xy images.