Carl
Zeiss today announced that the
Indianapolis
Museum of Art (IMA) is using a Carl Zeiss "Shuttle & Find" Correlative
Microscopy package in the museum's new state-of-the-art conservation science
laboratory funded by Lilly Endowment Inc. The package facilitates direct
communication between ZEISS electron microscopes and ZEISS light microscopes,
thus significantly accelerating the examination of artwork samples. Each of
these microscope types offers unique ways to examine and analyze paintings and
other types of artwork. The challenge is to be able to switch back and forth
between these microscope types quickly and precisely. Thanks to the Carl Zeiss
"Shuttle & Find" Correlative Microscopy package, the location of an
area-of-interest identified within one instrument can be quickly and easily retrieved
in the other instrument, making this approach a real solution for the first
time. This very much broadens the range of applications and speeds the
examination of artwork samples.
The
"Shuttle & Find" package consists of software and hardware components,
including a specialized specimen holder and adapters for the transfer of the
specimen-in the application of the IMA usually a tiny sample of paint-from the
light to the electron microscope and vice versa. Along with the "Shuttle &
Find" package, IMA has also installed an EVO MA 15 scanning electron
microscope, an AXIOIMAGER M2m compound microscope, a DISCOVERY V20
stereomicroscope, and an OPMI Pico surgical microscope, all from Carl Zeiss.
These instruments will update the museum's long-serving ZEISS polarized light
microscope that has been in service since the 1970s.
The
laboratory, one of only a few such sophisticated conservation science labs in
the world, answers materials analysis questions for curators and conservators,
conducts technical analysis of artwork, and performs applied and basic
scientific research into artists' materials and techniques. Microscopes play an
integral role in the work of the conservation science laboratory, which uses a
materials approach to art history, providing evidence of an artist's materials
or working methods, authenticating an artwork, or assisting in its attribution.
Dr. Gregory Dale Smith, the museum's Otto N. Frenzel III Senior Conservation
Scientist, installed the Correlative Microscopy package into the new laboratory.
"The concept of performing our imaging work with trouble-free transfer of the
sample from the light microscope to the electron microscope, and retrieval of
the region of interest within seconds, intrigued me," said Smith. "Only Carl
Zeiss provides both light and electron microscopy platforms as well as the
means to integrate them in this way."
The "Shuttle
& Find" interface enables the quick and easy relocation of the area of
interest, fully utilizing the capabilities of the two complementary microscopy
technologies. Traditional light microscopy permits a quick overview of the
sample and a number of contrasting technologies (e.g. color, polarization,
fluorescence, dark field / bright field).
However, there is a two orders-of-magnitude higher resolution available
by means of the electron microscope, and it offers expanded analytical
possibilities, such as energy dispersive x-ray spectroscopy (EDS) to
characterize the sample´s chemical composition. Finally researchers can also accurately
overlay the light microscopy image and the electron microscopy image by using
the "Shuttle & Find" software package, providing complete information on
the sample in one visual field.
"We at
Carl Zeiss are pleased to be working with the professional team of museum
scientists, conservators, and curators at the Indianapolis Museum of Art," said
Dan McGee, President of Carl Zeiss NTS, LLC. "It's genuinely rewarding to help
develop newer, faster ways to get accurate answers to some of the art world's
more perplexing questions."
An
application note with more technical details is available from the Carl Zeiss
website at
www.zeiss.de/corrmicforma.
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