Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Jeffrey R. Krogmeier"'
Publikováno v:
Optics Communications. 281:1781-1788
The influence of surface modifications, including carboxyl-, amine-, and mercaptoundecanoicacid-functionalized chemistries, on the dynamic fluorescence properties of single quantum dots (QDs) are probed using a combined confocal fluorescence microsco
Autor:
Elizabeth S. Erickson, Jeffrey R. Krogmeier, Olivia L. Mooren, Robert C. Dunn, David S. Moore
Publikováno v:
Canadian Journal of Physiology and Pharmacology. 84:309-318
Some of the most important trafficking processes in cells involve transport across the nuclear envelope. Whether it is the import of transcription factors or the export of RNA, the only known portal across the double lipid bilayer that forms the nucl
Autor:
Tadeusz Sarna, Anna Pawlak, John D. Simon, Christine M. R. Clancy, Malgorzata Barbara Rozanowska, Jeffrey R. Krogmeier, Robert C. Dunn
Publikováno v:
The Journal of Physical Chemistry B. 104:12098-12101
Novel high-resolution microscopic techniques have been utilized to characterize the spatial distribution of orange emitting fluorophores, e.g., A2E, in lipofuscin granules isolated from human retinal pigment epithelium cells. Granules have been image
Publikováno v:
Langmuir. 15:2162-2168
An interferometric optical feedback mechanism is explored for tip-sample distance control in near-field scanning optical microscopy. An optical signal, based on the interference between the light exiting the tip aperture and that reflecting off the s
Publikováno v:
Applied Physics Letters. 84:3750-3752
We report a near-field scanning optical microscopy (NSOM) probe that enables high-resolution imaging of living cells under physiological buffered conditions. The hybrid design combines a conventional fiber optic near-field probe with a standard atomi
Autor:
Matthew L. Clarke, Dan L. Sackett, Jeeseong Hwang, Ralph Nossal, Robert P. H. Chang, John F. Lesoine, Ji Youn Lee, Jeffrey R. Krogmeier, Hyeonggon Kang
We present a quantitative scheme for full-field polarization rotating fluorescence microscopy. A quarter-wave plate, in combination with a liquid crystal variable retarder, provides a tunable method to rotate polarization states of light prior to its
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ce392257a7f13269ecd747e74099f625
https://europepmc.org/articles/PMC3365914/
https://europepmc.org/articles/PMC3365914/
Autor:
Jeeseong Hwang, Jeffrey R. Krogmeier, Ralph Nossal, Hyeonggon Kang, John F. Lesoine, Matthew L. Clarke, Robert C. Chang, Dan L. Sackett, Ji Youn Lee
Publikováno v:
Design and Quality for Biomedical Technologies IV.
We present real-time, full-field, fluorescence polarization microscopy and its calibration and validation methods to monitor the absorption dipole orientation of fluorescent molecules. A quarter-wave plate, in combination with a liquid crystal variab
Autor:
Jeffrey R. Krogmeier, Bryan Crane, Griffis Joshua, Lisa W. Kwok, Rudolf Gilmanshin, Nanor Kojanian, Michelle K. Nahas, Qun Zhong, Vyacheslav Papkov, Saad Shaikh, Richard Allen, Gene Malkin, Kedar Vyavahare, Robert H. Meltzer, Jonathan W. Larson, Yi Zhou, Linda Knaian
Publikováno v:
Lab on a chip. 11(5)
Rapid, specific, and sensitive detection of airborne bacteria, viruses, and toxins is critical for biodefense, yet the diverse nature of the threats poses a challenge for integrated surveillance, as each class of pathogens typically requires differen
Autor:
Jeffrey R. Krogmeier, Robert C. Dunn
Publikováno v:
Applied Physics Letters. 79:4494-4496
A probe for near-field scanning optical microscopy is demonstrated based on a high index glass sphere attached to the end of a conventional atomic force microscopy tip. The sphere is machined into a pyramid geometry using a focused ion beam (FIB) ins
Autor:
Bryan Crane, Rudolf Gilmanshin, Nanor Kojanian, Nicaulas Sabourin, Richard Allen, Yi Zhou, Jeffrey R. Krogmeier, Qun Zhong, Kedar Vyavahare, Saad Shaikh, Kate Carson, Jonathan W. Larson, Linda Knaian
Publikováno v:
Biophysical Journal. 96(3)
Direct Linear Analysis (DLA) technology obtains high content sequence information by optically mapping sequence specific fluorescent tags bound to elongated genomic DNA molecules in shear flows.[1] To facilitate sensitivity and throughput, we have im