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RCM Re-scanning Confocal Microscope

Super-resolution (120nm) imaging with 40x 1.4NA objectives.

Higher sensitivity and higher signal-to-noise ratio

Low phototoxicity and photobleaching, suitable for long time imaging of living samples

Larger FOV without increasing acquisition time

Excellent add-on to any widefield microscope.


Detail

Product Principle

RCM adds the combination of Unit 1 (Confocal microscope) and Unit 2 (Re-scanner + CCD) to a conventional microscope and updates it to be a higher-resolution confocal microscope. It can capture datasets of 170nm resolution raw (120 after deconvolution) over a very large FOV. Study fast live-cell dynamics and perform 3D imaging in optimized conditions.


Principle illustration:


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Compatible microscope:


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Brief Introduction

Sharp images, a large field of view and easy to use? It’s possible with Confocal.nl. Get more from your samples, with a higher resolution and a higher sensitivity than conventional confocal microscopes and study live samples longer. Our Re-scanning Confocal Microscope (RCM) uses multiple laser pointers and a camera as a detector. The low laser power required is live cell friendly: it prevents phototoxicity in your live samples and photobleaching of your fluorophores. Creating long-term time lapses at a super-resolution was never this accessible.


RCM2 is our second-generation RCM, with digital scanner technology. It makes re-scanning the standard and allows a speed of 2fps at 512×512 pixels. RCM2 has optics to make it suitable for super-resolution imaging with high NA objectives in the low magnification range, like 40x 1.4. A lower magnification allows for a bigger field of view (FOV), brighter images, and even lower laser power. RCM2 has demonstrated imaging at 10 nano-watt excitation power!


Improvements of sCMOS cameras allow you to sample resolution of low magnification objectives effectively, without increasing the exposure time. In a regular PMT-based confocal this is not possible.


The Benefits of RCM2

1、Using RCM2 with a 40x 1.4 objective, you can see more cells at full resolution at once. A larger field of view increases the chances of getting the results you need.

 

2、Obtain sharp images with a high signal-to-noise ratio even in samples with a low amount of epitopes or weak stainings. Get more from your samples.

 

3、Use even lower laser power to minimize phototoxicity and photobleaching during live-cell imaging.

 

4、Getting super-resolution raw images, without averaging or integration, reduces the acquisition time and allows for a more precise analysis of the subcellular structures.


Wide Field image vs RCM image:


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Applications for RCM2

Capture datasets of 170nm resolution raw (120nm after deconvolution) over a very large FOV. Study fast live-cell dynamics and perform 3D imaging in optimized conditions. The increased detection efficiency facilitates acquisition in low fluorescence conditions, like single-molecule detection (smFISH). In combination with silicon objectives, RCM2 allows for deep 3D imaging of organoids, zebrafish embryos, or larger live samples.


Application

1、Getting Super-resolution Raw Images

Deer skin fibroblast cells as below, stained for: DAPI (blue), Phalloidin-Alexa488 (green), Mitotracker CMXRos (red). 

RCM can obtain 170nm resolution raw and 120nm after deconvolution.


成像效果对比图.png

2、2D Cell Imaging

2.1 Neurons in co-culture stained for Actin (red), MAP2 (magenta) and Tau (green). Imaged on RCM2 with a 40x 1.4 objective.


染色的共培养的神经元细胞.jpg


2.2 Drosophila Melanogaster heart tube stained for Actin (green), Myosin Heavy Chain (red), Alpha-tubulin (blue). Imaged on RCM2 using 40x 1.4 objective.


染色的果蝇心脏微管.jpg


2.3 HUVECs cells stained for Tubulin (yellow), Actin (purple) and DNA (blue), Imaged on RCM2.


染色的HUVECs细胞.jpg


2.4 BPAE cells stained for Actin (green), Mitochondria (red), DNA (blue). Imaged on RCM2 using 1 40x 1.4 objective.


染色的BPAE细胞.jpg


3、3D Image Reconstruction

3.1 Hela Cell in Mitosis, stained for Actin, Cytoskeleton (green), Tubulin, Microtubule (red), DAPI, Nucleus (blue).



3.2 Mouse Blastocyst, stained for GATA4, primitive endoderm marker (green), CDX2, trophectoderm marker (red), DRAQ5, Nucleus (blue).



3.3 Tumor Spheroid, stained for DAPI, Nucleus (blue), Spheroid, 35um, deconvolved


4、Long-time Live Cell Imaging Mitochondria Dynamics

Cell type: HOIN1 cells

Laser power: 1 ?W

Framerate: 1 frame per 10 seconds

Duration: 61hr06m

Total: 22,000 frames

After 61hr06m, it was observed that the cells were still alive and still dividing, indicating that the laser had little toxicity and little damage to living cells.


Video

Hela Cell in Mitosis, stained for Actin, Cytoskeleton (green), Tubulin, Microtubule (red), DAPI, Nucleus (blue). imaged by RCM 1.
Mouse Blastocyst, stained for GATA4, primitive endoderm marker (green), CDX2, trophectoderm marker (red), DRAQ5, Nucleus (blue). imaged by RCM 1.
Tumor Spheroid, stained for DAPI, Nucleus (blue), Spheroid, 35um, deconvolved
Cell type: HOIN1 cells Laser power: 1 µW Framerate: 1 frame per 10 seconds Duration: 61hr06m Total: 22,000 frames After 61hr06m, it was observed that the cells were still alive and still dividing, indicating that the laser had little toxicity and little damage to living cells.

3D Hela Cell in Mitosis

3D Mouse Blastocyst

3D Tumor Spheroid

Long-time Live Cell Imaging Mitochondria Dynamics

Case

Message

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