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Chicken cochlea tissue imaged with a THUNDER Imager using large volume computational clearing. Courtesy of Dr. Amanda Janesick, California, USA.

Development and Recovery of the Inner Ear

This article discusses how thick cochlear tissues of chicken embryos can be sharply imaged for studying inner-ear hair cell regeneration. Sensory hair cells perform important functions for hearing and…
Mouse whole-mount retina. Image courtesy of the Experimental Ophthalmology Group, University of Murcia, Spain.

Fast, High Acuity Imaging and AI-assisted Analysis

The use of state-of-the-art AI systems is pushing image analysis into a new generation. Challenges like the conflict between imaging power and sample integrity are being overcome with THUNDER’s…
3D reconstruction of an isolated human islet

Create New Options for Live Cell Imaging

The use of state-of-the-art AI systems is pushing image analysis into a new generation. Challenges like the conflict between imaging power and sample integrity are being overcome with THUNDER’s…
Raw widefield and THUNDER image of a mouse dorsal root ganglion with tdTomato (red) expressed in the sensory neurons.

Fast, High-contrast 3D Imaging of Sensory Neurons

This article discusses how fast, high-contrast 3D imaging of dorsal root ganglion (DRG) tissue with a THUNDER Imager Tissue using large volume computational clearing (LVCC) allows sensory neurons to…
Raw widefield and THUNDER image of a mouse aorta

Molecular Mechanisms of Vascular Disease

This article discusses how the lamina, vascular cells, and nuclei of mouse aorta are more clearly resolved with a THUNDER Imager Tissue using Computational Clearing (CC) compared to conventional…
Left-hand image: The distribution of immune cells (white) and blood vessels (pink) in white adipose tissue (image captured using the THUNDER Imager 3D Cell Culture). Right-hand image: The same image after automated analysis using Aivia, with each immune cell color-coded based on its distance to the nearest blood vessel. Image courtesy of Dr. Selina Keppler, Munich, Germany.

Accurately analyze fluorescent widefield images

The specificity of fluorescence microscopy allows researchers to accurately observe and analyze biological processes and structures quickly and easily, even when using thick or large samples. However,…
Raw widefield (left) and THUNDER (right) image of Ewing Sarcoma cells (SK-ES-1).

Visualizing the Mitotic Spindle in Cancer Cells

This article demonstrates how this research is aided by visualizing more details of mitotic spindles in Ewing Sarcoma cells using the THUNDER Imager Tissue and Large Volume Computational Clearing…
Maximum intensity projection of undecalcified mouse bone tissue expressing GFP (green) and tdTomato (red) and stained with Hoechst 33342 (blue). Imaged using a THUNDER Imager Tissue: A) raw data and B) with ICC.

Localizing Bone Stem Cells In Vivo

This article demonstrates how undecalcified mouse bone samples can be investigated in detail more easily and rapidly with a cryohistological method used in combination with a THUNDER Imager Tissue and…

High-resolution 3D Imaging to Investigate Tissue Ageing

Award-winning researcher Dr. Anjali Kusumbe demonstrates age-related changes in vascular microenvironments through single-cell resolution 3D imaging of young and aged organs.

Role of Mucins and Glycosylation in Dry Eye Disease

This article shows how fast, high-contrast, and sharp imaging of stratified human corneal epithelial cells with THUNDER imaging technology for dry eye disease (DED) research allows membrane ridges to…

Cortical Contributions to Complex Learning

This article describes the use of sharp, high contrast imaging to facilitate assessment of viral-construct placement in rat cortical brain tissue. Complex learning is often investigated through use of…

Optimizing THUNDER Platform for High-Content Slide Scanning

With rising demand for full-tissue imaging and the need for FL signal quantitation in diverse biological specimens, the limits on HC imaging technology are tested, while user trainability and…
C. elegans Gonades - THUNDER Imager  Adult hermaphrodit, Staining: blue - DAPI (Nucleus), green - SP56 (sperms), red - RME-2 (oocyte), mangenta - PGL-1 (RNA + protein granules) Image courtesy of Prof. Dr. Christian Eckmann, Martin Luther University, Halle, Germany

Physiology Image Gallery

Physiology is about the processes and functions within a living organism. Research in physiology focuses on the activities and functions of an organism’s organs, tissues, or cells, including the…
THUNDER image of a section of mouse lung where the mouse was inoculated with the Puerto Rico 8 strain of influenza virus. The lung tissue was immunofluorescently stained with Keratin-5 (green) and PDL-1 (red). Image courtesy of Andrew Beppu, Stripp Lab, Cedars Sinai Medical Center, Los Angeles, USA.

Monitoring Immunosuppressive Mechanisms from Infection

This application note discusses the importance of fast, sensitive, and haze-free imaging for the monitoring of immunosuppression in mouse lung epithelial tissue infected with the Puerto Rico 8…
Virally labeled neurons (red) and astrocytes (green) in a cortical spheroid derived from human induced pluripotent stem cells. THUNDER Model Organism Imagerwith a 2x 0.15 NA objective at 3.4x zoomwas used to produce this 425 μm Z-stack (26 positions), which is presented here as an Extended Depth of Field(EDoF)projection.

Neuroscience Images

Neuroscience commonly uses microscopy to study the nervous system’s function and understand neurodegenerative diseases.
Pollen Flower - Taken with a 20x/0.8 objective, area of 6mm² with a depth of 100μm. 15 stitched tiles with 4 colors (DAPI/GFP/TRITC/Cy5) - a total of 13020 images. Video courtesy of James Marr, Leica Microsystems, USA

Developmental Biology Image Gallery

Developmental biology explores the development of complex organisms from the embryo to adulthood to understand in detail the origins of disease. This category of the gallery shows images about…
Images of a brain organoid derived from iPSCs acquired with a THUNDER Imager 3D Cell Culture. The cells were infected with the pAAV-hSyn-EGFP and pLX-hGFAP-mCherry virus. The image is the 36th plane cropped out of a 53 plane Z-stack volume. Shown are both the A) raw widefield image and B) the same image after Large Volume Computation Clearing (LVCC). Neurons are labeled in green and astrocytes in red.

“Brains-In-A-Dish” from Induced Pluripotent Stem Cells (iPSCs)

This article discusses the benefits of using the THUNDER technology for imaging inside 3D human cortical brain organoids. These organoids are derived from human induced pluripotent stem cells (iPSCs)…
Spheroid shown here as a maximum projection of the raw widefield image data (left) and THUNDER image after Instant Computational Clearing (right). The images are derived from approximately 60 µm Z stacks. Different stains (alpha actin and vimentin) are used to help identify the various cell types. Images courtesy of Sandra Grijalva, Wallace H. Coulter Department of Biomedical Engineering, Georgia Tech and Emory University, Atlanta, USA.

Developing Heart Pacemaker Cells from Cardiac Spheroids

During the last decade, 3D cell culture has been established as a more realistic model compared to classical 2D culture systems. Cells can develop into miniature 3D objects, so called spheroids, which…
Electroporated nerve cells (green), specific neuronal markers (magenta) and cell nuclei (white), computational cleared.

Into the Third Dimension with "Wow Effect"- Observe Cells in 3D and Real-Time

Life is fast, especially for a cell. As a rule, cells should be examined under physiological conditions which are as close as possible to their natural environment. New technologies offer tremendous…
Lung organoid taken at the "liquid-air interface" with a THUNDER Imager 3D Cell Culture. The cells originate from transgenic mice, so that the different fluorescence represents the degree of differentiation of the respective cell (superposition). The image acquisition was performed on day 21 after the start of the culture. Reference: P. Kanrai, MPI-HLR Bad Nauheim.

Observing 3D Cell Cultures During Development

3D cell cultures, such as organoids and spheroids, give insights into cells and their interactions with their microenvironment. These 3D cell cultures are playing an increasingly important role for…
Cytosolic Ca2+ measurement using ratiometric Fura 2 dye

Cytosolic Calcium Ions in Melanoma Cancer Cells

In this article, a ratiometric fluorometric method for cytosolic calcium ion (Ca2+) measurement in cultured melanoma cells using Fura 2-AM cell loading and fluorescence microscopy imaging is presented…

Studying Cell Division

Cell division is a biological process during which all cellular components must be distributed among the daughter cells. The division process requires firm coordination for success. Microscopy is…
The THUNDER Imager 3D Cell Culture visualizes an influenza (red) infected primary porcine lung epithelial grown in a multilayer of about 60 µm. The top layer shows cilia (green), which are responsible for mucus transport. Nuclei are stained in blue. Raw image vs. Large Volume Computational Clearing. Courtesy of Dr. Stefan Finke, Friedrich-Loeffler-Institute, Riems (Germany).

Influenza-host Interactions in 3D Specimens

Stefan Finke studies virus-host interactions. It turns out that the ways the virus and host interact are different when comparing results from classical laboratory monolayer cell lines and “close to…
Images of the scaffold composed of fluorescent fibers: Left: raw widefield image. Right: THUNDER image with LVVC. Both images are maximal projections of a z stack of 55 images (total height of 130 µm). Images courtesy of Mollie Smoak, Department of Bioengineering, Rice University, Houston, TX, USA

Finding new Scaffolds for Tissue Engineering

Tissue engineers use biomaterials for a variety of applications from drug delivery to supporting the regeneration of damaged or lost tissues to creating in vitro disease models. Scaffold architecture…

The Power of Pairing Adaptive Deconvolution with Computational Clearing

Deconvolution is a computational method used to restore the image of the object that is corrupted by the point spread function (PSF) along with sources of noise. In this technical brief, learn how the…

Improvement of Imaging Techniques to Understand Organelle Membrane Cell Dynamics

Understanding cell functions in normal and tumorous tissue is a key factor in advancing research of potential treatment strategies and understanding why some treatments might fail. Single-cell…

Studying Autoimmune Disease

This article discusses how autoimmune diseases, like systemic lupus erythematosus (SLE), can be studied more efficiently using thick, 3D kidney tissue specimens visualized with a THUNDER Imager . SLE…
Mouse lymphnode acquired with a THUNDER Imager 3D Cell Culture. Image courtesy of Dr. Selina Keppler, Munich, Germany.

Image Gallery: THUNDER Imager

To help you answer important scientific questions, THUNDER Imagers eliminate the out-of-focus blur that clouds the view of thick samples when using camera-based fluorescence microscopes. They achieve…

From Organs to Tissues to Cells: Analyzing 3D Specimens with Widefield Microscopy

Obtaining high-quality data and images from thick 3D samples is challenging using traditional widefield microscopy because of the contribution of out-of-focus light. In this webinar, Falco Krüger…

Studying Human Brain Development and Disease

Neural spheroids created from human induced pluripotent stem cells (iPSCs) provide effective and novel tools for studying brain development, as well as the underlying pathological mechanisms of…

An Introduction to Computational Clearing

Many software packages include background subtraction algorithms to enhance the contrast of features in the image by reducing background noise. The most common methods used to remove background noise…

Factors to Consider When Selecting a Research Microscope

An optical microscope is often one of the central devices in a life-science research lab. It can be used for various applications which shed light on many scientific questions. Thereby the…
iPSC cells

Studying Natural Killer (NK) Cells Derived from Induced Pluripotent Stem Cells (iPSC)

The study of natural killer (NK) cells holds tremendous promise for developing novel immunotherapies. NK cells derived from induced pluripotent stem cells (iPSCs) can be used to create an easily…

Going beyond deconvolution

Widefield fluorescence microscopy is often used to visualize structures in life science specimens and obtain useful information. With the use of fluorescent proteins or dyes, discrete specimen…

Computational Clearing - Enhance 3D Specimen Imaging

This webinar is designed to clarify crucial specifications that contribute to THUNDER Imagers' transformative visualization of 3D samples and improvements within a researcher's imaging-related…

THUNDER Imagers: High Performance, Versatility and Ease-of-Use for your Everyday Imaging Workflows

This webinar will showcase the versatility and performance of THUNDER Imagers in many different life science applications: from counting nuclei in retina sections and RNA molecules in cancer tissue…

Evaluating Axon Regeneration After Brain or Spine Trauma of Mice

Damaged nerve regeneration was investigated using mouse spinal cord sections treated with compounds that counter axon growth inhibitor (AGI) proteins. The sections were screened to find active and…

Interview with Magali Mondin on THUNDER Imagers

Magali Mondin, an engineer at the BIC (Bordeaux Imaging Center) in France, describes her experience using a THUNDER Imager in this interview. She had the opportunity to test extensively the THUNDER…

Drosophila Testis Niche Stem Cells – Three Color Computational Clearing

Differentiated living beings such as humans, but also a fruit fly or a plant, possess not only the differentiated cells which form specific tissues, but also those cells whose fate is not yet (or only…

Alzheimer Plaques: fast Visualization in Thick Sections

More than 60% of all diagnosed cases of dementia are attributed to Alzheimer’s disease. Typical of this disease are histological alterations in the brain tissue. So far, there is no cure for this…

Real time images of 3D specimens with sharp contrast free of haze

THUNDER Imagers deliver in real time images of 3D specimens with sharp contrast, free of the haze or out-of-focus blur typical of widefield systems. They can even image clearly places deep inside a…

Fields of Application

Fluorescence Microscopy Solutions

Find out how fluorescence microscopes from Leica Microsystems support your research. Fluorescence is one of the most commonly used physical phenomena in biological and analytical microscopy for its…

Neuroscience

Are you working towards a better understanding of neurodegenerative diseases or studying the function of the nervous system? See how you can make breakthroughs with imaging solutions from Leica…

Zebrafish Research

For the best result during screening, sorting, manipulation, and imaging you need to see details and structures to make the right decisions for your next steps in research. Known for outstanding…

Live Cell Imaging

Shifting perspective from single microscope components to a full working live cell imaging solution, Leica Microsystems integrates microscope, LAS X imaging software, cameras, and dedicated…

Cancer Research

Cancer is a complex and heterogeneous disease caused by cells deficient in growth regulation. Genetic and epigenetic changes in one or a group of cells disrupt normal function and result in…

Virology

Do your research interests focus on viral infection and disease? Find out how you can gain insights into virology with solutions for imaging and sample preparation from Leica Microsystems.
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