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Imaging linear birefringence and dichroism in cerebral amyloid pathologies
- L. Jin, K. Claborn, +6 authors B. Kahr
- Chemistry, Medicine
- Proceedings of the National Academy of Sciences…
- 10 December 2003
New advances in polarized light microscopy were used to image Congo red-stained cerebral amyloidosis in sharp relief. The rotating-polarizer method was used to separate the optical effects of… Expand
Change of Diffusion Tensor Imaging Parameters in Articular Cartilage With Progressive Proteoglycan Extraction
- J. Raya, G. Melkus, +7 authors C. Glaser
- Materials Science, Medicine
- Investigative radiology
- 1 June 2011
Objective:To investigate changes of diffusion tensor imaging (DTI) parameters (mean apparent diffusion coefficient [ADC], fractional anisotropy [FA], and first eigenvector) with increasing… Expand
Hirshfeld surfaces identify inadequacies in computations of intermolecular interactions in crystals: pentamorphic 1,8-dihydroxyanthraquinone
Fingerprint plots of Hirshfeld surfaces were used to locate and analyze the deficiencies in various methodologies employed in the determination of the relative energies of five polymorphs of… Expand
Mueller matrix polarimetry with four photoelastic modulators: theory and calibration.
A spectroscopic Mueller matrix polarimeter with four photoelastic modulators (PEMs) and no moving parts is introduced. In the 4-PEM polarimeter, all the elements of the Mueller matrix are… Expand
Growth actuated bending and twisting of single crystals.
- A. Shtukenberg, Yurii O. Punin, Ankit Gujral, B. Kahr
- Materials Science, Medicine
- Angewandte Chemie
- 13 January 2014
Crystals of a variety of substances including elements, minerals, simple salts, organic molecular crystals, and high polymers forgo long-range translational order by twisting and bending as they… Expand
Characterization of homogenous depolarizing media based on Mueller matrix differential decomposition.
In a depolarizing medium in which the optical properties are uniformly distributed, the logarithm of the Mueller matrix can be used to calculate the differential Mueller matrix. From the differential… Expand
Simultaneous false‐colour imaging of birefringence, extinction and transmittance at camera speed
A polarized light imaging technique is introduced that simultaneously captures and unfolds transmittance, fast/slow axes directions and birefringence or linear dichroism from single camera exposures.… Expand
Charge Transfer Interactions in Dyed Crystals of Aromatic Carboxylic Acids and Their Relevance to MALDI Mass Spectrometry
- B. Kahr
We can gain a clearer picture of visual representation by crossing the divide between art and science.Art seenIn 'Seen/Unseen: Art, Science, and Intuition from Leonardo to the Hubble Telescope',… Expand
Polarimetric imaging of crystals.
Classical crystal optics has recently undergone a renaissance as developments in optical microscopy and polarimetry, enabled in part by sensitive imaging CCD cameras and personal computers, now… Expand