Results 61 to 70 of about 2,709,539 (294)

Comparative Studies of Lensing Methods [PDF]

, 2000
Predictions of the standard thin lens approximation and a new iterative approach to gravitational lensing are compared with an ``exact'' approach in simple test cases involving one or two lenses.
Kling, Thomas P., Newman, Ezra T., Perez, Alejandro   +2 more
core   +2 more sources

Infrared laser sampling of low volumes combined with shotgun lipidomics reveals lipid markers in palatine tonsil carcinoma

Molecular Oncology, EarlyView.
Nanosecond infrared laser (NIRL) low‐volume sampling combined with shotgun lipidomics uncovers distinct lipidome alterations in oropharyngeal squamous cell carcinoma (OPSCC) of the palatine tonsil. Several lipid species consistently differentiate tumor from healthy tissue, highlighting their potential as diagnostic markers.
Leonard Kerkhoff, Manuela Moritz, Dennis Eggert, Anna Worthmann, Joerg Heeren, Henrike Zech, Till S. Clauditz, Waldemar Wilczak, Hartmut Schlüter, Christian S. Betz, Arne Böttcher, Jan Hahn   +11 more
wiley   +1 more source

Low-energy particle radiation environment at synchronous altitude [PDF]

, 1972
The degradation of thermal control coatings of satellites due to the effects of low energy charged particles in the space environment is discussed. Data obtained from ATS-5 satellite measurement of proton and electron fluxes are presented. The variations
Lens, S. K., Shelley, E. G.
core   +1 more source

Diffractive lens fabricated with binary features less than 60 nm [PDF]

, 2000
We designed, fabricated, and characterized a binary diffractive lens with features less than 60nm. The lens was designed for operation in the red portion of the spectrum.
Dial, Oliver, Gao, Xiang, Mait, Joseph N., Prather, Dennis W., Scherer, Axel   +4 more
core   +1 more source

Network divergence analysis identifies adaptive gene modules and two orthogonal vulnerability axes in pancreatic cancer

Molecular Oncology, EarlyView.
Tumors contain diverse cellular states whose behavior is shaped by context‐dependent gene coordination. By comparing gene–gene relationships across biological contexts, we identify adaptive transcriptional modules that reorganize into distinct vulnerability axes.
Brian Nelson, Lyanne Delgado‐Coka, Natalia Marchenko, Luisa F. Escobar‐Hoyos, Kenneth R. Shroyer, Alisa Yurovsky, Trey Ideker, Gábor Balázsi, Thomas MacCarthy, Scott Powers   +9 more
wiley   +1 more source

Evaluating pathological levels of intracellular cholesterol through Raman and surface-enhanced Raman spectroscopies

Scientific Reports
Versatile methods for the quantification of intracellular cholesterol are essential for understanding cellular physiology and for diagnosing disorders linked to cholesterol metabolism.
Enrico Baria, Caterina Dallari, Francesco Mattii, Francesco Saverio Pavone, Caterina Credi, Riccardo Cicchi, Amelia Morrone, Claudia Capitini, Martino Calamai   +8 more
doaj   +1 more source

Comparative Analysis of the Major Polypeptides from Liver Gap Junctions and Lens Fiber Junctions [PDF]

, 1982
Gap junctions from rat liver and fiber junctions from bovine lens have similar septilaminar profiles when examined by thin-section electron microscopy and differ only slightly with respect to the packing of intramembrane particles in freeze-fracture ...
Anderson, David J., Friedlander, Martin, Gilula, Norton B., Hertzberg, Elliot L.   +3 more
core   +2 more sources

Polarization‐resolved femtosecond Vis/IR spectroscopy tailored for resolving weak signals in biological samples using minimal sample volume

FEBS Open Bio, EarlyView.
Unique biological samples, such as site‐specific mutant proteins, are available only in limited quantities. Here, we present a polarization‐resolved transient infrared spectroscopy setup with referencing to improve signal‐to‐noise tailored towards tracing small signals. We provide an overview of characterizing the excitation conditions for polarization‐
Clark Zahn, Karsten Heyne
wiley   +1 more source

Bessel Beam Illumination Reduces Random and Systematic Errors in Quantitative Functional Studies Using Light-Sheet Microscopy

Frontiers in Cellular Neuroscience, 2018
Light-sheet microscopy (LSM), in combination with intrinsically transparent zebrafish larvae, is a method of choice to observe brain function with high frame rates at cellular resolution.
M. Caroline Müllenbroich, M. Caroline Müllenbroich, Lapo Turrini, Ludovico Silvestri, Ludovico Silvestri, Tommaso Alterini, Ali Gheisari, Natascia Tiso, Francesco Vanzi, Francesco Vanzi, Leonardo Sacconi, Leonardo Sacconi, Francesco S. Pavone, Francesco S. Pavone, Francesco S. Pavone   +14 more
doaj   +1 more source

Exposure to unattainable luxury: effects on materialistic goal pursuit [PDF]

, 2012
This paper investigates the influence of exposure to (unattainable) luxury on consumers’ materialistic and extrinsic goal pursuit. We show that exposure to luxury may produce very different effects depending on whether a person feels that (s)he is able ...
Lens, Inge, Meert, Katrien, Pandelaere, Mario   +2 more
core   +1 more source