Search Results - "Chandler, John E"
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The effects of chemical fixation on the cellular nanostructure
Published in Experimental cell research (15-09-2017)“…Chemical fixation is nearly indispensable in the biological sciences, especially in circumstances where cryo-fixation is not applicable. While universally…”
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Label-free imaging of the native, living cellular nanoarchitecture using partial-wave spectroscopic microscopy
Published in Proceedings of the National Academy of Sciences - PNAS (18-10-2016)“…The organization of chromatin is a regulator of molecular processes including transcription, replication, and DNA repair. The structures within chromatin that…”
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3
Multimodal interference-based imaging of nanoscale structure and macromolecular motion uncovers UV induced cellular paroxysm
Published in Nature communications (10-04-2019)“…Understanding the relationship between intracellular motion and macromolecular structure remains a challenge in biology. Macromolecular structures are…”
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The Greater Genomic Landscape: The Heterogeneous Evolution of Cancer
Published in Cancer research (Chicago, Ill.) (01-10-2016)“…Results have historically shown a broad plasticity in the origin of tumors and their functions, with significant heterogeneity observed in both morphologies…”
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High-speed spectral nanocytology for early cancer screening
Published in Journal of biomedical optics (01-11-2013)“…High-throughput partial wave spectroscopy (HTPWS) is introduced as a high-speed spectral nanocytology technique that utilizes the field effect of…”
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Superresolution intrinsic fluorescence imaging of chromatin utilizing native, unmodified nucleic acids for contrast
Published in Proceedings of the National Academy of Sciences - PNAS (30-08-2016)“…Visualizing the nanoscale intracellular structures formed by nucleic acids, such as chromatin, in nonperturbed, structurally and dynamically complex cellular…”
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Measuring Nanoscale Chromatin Heterogeneity with Partial Wave Spectroscopic Microscopy
Published in Methods in molecular biology (Clifton, N.J.) (2018)“…Despite extensive research in the area, current understanding of the structural organization of higher-order chromatin topology (between 20 and 200 nm) is…”
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Sub-10-nm imaging of nucleic acids using spectroscopic intrinsic-contrast photon-localization optical nanoscopy (SICLON)
Published in Optics letters (01-12-2018)“…Elucidating chromatin structure in vitro requires resolution below 10 nm to visualize the mononucleosome has been an ongoing challenge. In this work, we…”
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Nanoscale refractive index fluctuations detected via sparse spectral microscopy
Published in Biomedical optics express (01-03-2016)“…Partial Wave Spectroscopic (PWS) Microscopy has proven effective at detecting nanoscale hallmarks of carcinogenesis in histologically normal-appearing cells…”
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10
Stochastic fluorescence switching of nucleic acids under visible light illumination
Published in Optics express (03-04-2017)“…We report detailed characterizations of stochastic fluorescence switching of unmodified nucleic acids under visible light illumination. Although the…”
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Nanoscale chromatin imaging and analysis platform bridges 4D chromatin organization with molecular function
Published in Science advances (01-01-2021)“…Extending across multiple length scales, dynamic chromatin structure is linked to transcription through the regulation of genome organization. However, no…”
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Label free localization of nanoparticles in live cancer cells using spectroscopic microscopy
Published in Nanoscale (18-10-2018)“…Gold nanoparticles (GNPs) have become essential tools used in nanobiotechnology due to their tunable plasmonic properties and low toxicity in biological…”
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Colocalization of cellular nanostructure using confocal fluorescence and partial wave spectroscopy
Published in Journal of biophotonics (01-03-2017)“…A new multimodal confocal microscope has been developed, which includes a parallel Partial Wave Spectroscopic (PWS) microscopy path. This combination of…”
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Macrogenomic engineering via modulation of the scaling of chromatin packing density
Published in Nature biomedical engineering (01-11-2017)“…Many human diseases result from the dysregulation of the complex interactions between tens to thousands of genes. However, approaches for the transcriptional…”
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15
The transformation of the nuclear nanoarchitecture in human field carcinogenesis
Published in Future science OA (01-08-2017)“…Morphological alterations of the nuclear texture are a hallmark of carcinogenesis. At later stages of disease, these changes are well characterized and…”
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M1493: Steerable Ultrathin Cholangioscope Provides Wide-Field Trimodal Laser Imaging
Published in Gastrointestinal endoscopy (01-04-2010)Get full text
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17
Calving sex ratio as related to the predicted Y-chromosome-bearing spermatozoa ratio in bull ejaculates
Published in Theriogenology (01-02-2007)“…The first objective was to correlate calving sex-ratio data from semen lots with the semen sex ratio obtained by two duplex polymerase chain reaction (PCR)/gel…”
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Evaluation of a novel, ultrathin, tip-bending endoscope in a synthetic force-sensing pancreas with comparison to medical guide wires
Published in Medical devices (Auckland, N.Z.) (01-01-2012)“…Direct visualization of pancreatic ductal tissue is critical for early diagnosis of pancreatic diseases and for guiding therapeutic interventions. A novel,…”
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Collection frequency affects percent Y-chromosome bearing sperm, sperm head area and quality of bovine ejaculates
Published in Theriogenology (01-03-2002)“…This study evaluated the percentage of Y-chromosome bearing spermatozoal (%Y-CBS) variation from ejaculates within individual males using two experiments. In…”
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Abstract B11: Label-free hyperspectral microscopy detects alterations in nanoscale cellular structure with high temporal resolution
Published in Cancer research (Chicago, Ill.) (15-01-2017)“…We have previously shown that analysis of the spectral variance of a reflected light microscope image allows direct study of cellular nanoscale organization…”
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