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CARS Microscopy

CARS (Coherent Anti-Stokes Raman Scattering) microscopy is a dye-free method which images structures by displaying the characteristic intrinsic vibrational contrast of their molecules. The crucial advantage of this method is that the sample remains almost unaffected. It does not require labeling but uses the spectroscopic properties of various chemical species found in organic material.

  • Unmask the Hidden without Probes: CARS

    Fluorescence microscopy assumed a pivotal role in cell biology once it was possible to stain cell components selectively by fluorescing dyes. One of the first explorers of targeted stainings, Paul Ehrlich, had the idea that something that stains specifically should also kill specifically – which was associated with the term “magic bullet”, the essential idea of chemotherapy. His group discovered Salvarsan, a tailored drug against syphilis – though not specific enough not to cause substantial side effects. Screening many fluorescent dyes led to a long list of stainings which are used in histology, including dyes like DAPI or hematoxylin and eosin.
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  • Detectors for Sensitive Detection: HyD

    This article discusses detectors (more precisely: sensors), that are employed in single point, i.e. true confocal scanning microscopes. The sensors in such systems are usually photomultiplier tubes. Also, the silicon pendants of PMTs are used for particular applications, especially single-molecule measurements. A new development has led to chimeric devices called hybrid detector (HyD) which unite benefits of both technologies.
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  • CARS Microscopy: Imaging Characteristic Vibrational Contrast of Molecules

    Coherent anti-Stokes Raman scattering (CARS) microscopy is a technique that generates images based on the vibrational signatures of molecules. This imaging methods does not require labeling, yet molecular specific information can be obtained from a range of important bio-molecular compounds.
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  • An Introduction to CARS Microscopy

    CARS overcomes the drawbacks of conventional staining methods by the intrinsic characteristics of the method. CARS does not require labeling because it is highly specific to molecular compounds which are based on vibrational contrast and chemical selectivity. The crucial advantage of this method is that the sample remains almost unaffected. With CARS, new samples that could not be stained due to unavailability of the appropriate dye are now accessible.
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  • Step by Step Guide to the Molecular Basics of CARS Microscopy

    CARS (Coherent Anti-Stokes Raman Scattering) microscopy is a dye-free method which images structures by displaying the characteristic intrinsic vibrational contrast of their molecules. The crucial advantage of this method is that the sample remains almost unaffected. This tutorial explains the molecular basics on Coherent Anti-Stokes Raman Scattering.
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  • CARS Publication List

    CARS (Coherent Anti-Stokes Raman Scattering) microscopy is a dye-free method which images structures by displaying the characteristic intrinsic vibrational contrast of their molecules. The crucial advantage of this method is that the sample remains almost unaffected.
    Read article
  • Good Vibrations

    In recent years, new molecular imaging techniques, such as coherent anti-Stokes Raman scattering microscopy (CARS), have been developed for rapid vibrational imaging of living cells.
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  • CARS and Confocal

    The most important drawback of single-photon and multiphoton confocal microscopy is the need to label the specimen. CARS (Coherent Anti-Stokes Raman Spectroscopy) addresses this issue because it is non-toxic, non-destructive, and minimally invasive.
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Interactive Tutorials

Useful Links

Institutes

bernstein.harvard.edu/XieHome.html
Prof. Xiaoliang Sunney Xie, Havard Universitiy, Department of Chemistry and Chemical Biology

cms.uni-konstanz.de/zumbusch/
Prof. Andreas Zumbusch, University of Konstanz, Department of Chemistry

chem.ps.uci.edu/~potma/webpage_test.htm
Assistant Professor Eric Olaf Potma, Ph. D, University of California, Irvine (UCI)

Communities and Web Sources

www.researchgate.net/
Social network for scientists

www.lsoft.com/scripts/wl.exe?SL1=CONFOCALMICROSCOPY&H=LISTS.UMN.EDU
Confocal Microscopy Mailing List, University of Minnesota

bitesizebio.com
Online magazine and community for molecular and cell biology researchers

www.somersault1824.com
Resource for high-end scientific illustrations, images and animations

Search Engines and Data Bases

www.cellimagelibrary.org
Public resource database of images, videos, and animations of cells

harvester.fzk.de/harvester
Bioinformatic meta search engine for genes and proteins

www.gopubmed.com
Search interface for pubmed

en.wikipedia.org/wiki/List_of_academic_databases_and_search_engines
List of academic databases and search engines

scholar.google.com
Beta of Google's search engine for scientific article abstracts

Journals

www.doaj.org/
Directory of open access journals

www.lifescied.org
CBE-Life Sciences Education – an ASCB online journal

www.sciencemag.org/
Science

www.nature.com/
Nature

www.cell.com/
Biweekly publication of exceptional research articles

jcs.biologists.org/
Journal of Cell Science

dev.biologists.org/
Development

jeb.biologists.org/
The Journal of Experimental Biology

dmm.biologists.org/
DMM Disease Models & Mechanisms

www.biotechniques.com/
International Journal of Life Science Methods

www.opticsinfobase.org/
Collection of Journals and Proceedings in Optics and Photonics

spie.org/x576.xml
SPIE - peer-reviewed journals on applied research in optics and photonics

http://onlinelibrary.wiley.com/journal/10.1002/(ISSN)1864-0648
Journal of Biophotonics

www.plosone.org/home.action
International, peer-reviewed, open-access, online publication

rspb.royalsocietypublishing.org/
Proceedings B - the Royal Society's biological research journal

www.microscopy-analysis.com/
International Journal for microscopists

www.optoiq.com/index/biophotonics/biomedical-imaging/bow-microscopy.html
News and features on biomedical microscopy

Organizations

www.microscopy.org/
Microscopy Society of America

www.eurmicsoc.org/
European Microscopy Society

www.rms.org.uk/
Royal Microscopical Society

www.ascb.org/
ASCB American Society of Cell Biology

www.biologists.com/cob_activities.html
the company of biologists

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