Results 91 to 100 of about 20,096 (267)

Ionospheric Power-Spectrum Tomography in Radio Interferometry

, 2010
A tomographic method is described to quantify the three-dimensional power-spectrum of the ionospheric electron-density fluctuations based on radio-interferometric observations by a two-dimensional planar array.
Born, Bourgois, Bracewell, Cohen, Cornwell, Deans, Goodman, Jacobson, Kravtsov, L. V. E. Koopmans, Liu, Lonsdale, Matejek, Ratcliffe, Sramek   +14 more
core   +2 more sources

Natural Products Targeting Notch Signaling in Cancer: Mechanistic Insights and Food‐Based Chemoprevention Potential

Food Frontiers, Volume 7, Issue 1, January 2026.
The Notch signaling pathway plays a dual role in cancer, acting as both a tumor promoter and suppressor depending on cellular context. This review highlights how natural products modulate Notch signaling to inhibit tumor initiation, progression, angiogenesis, and cancer stem cell maintenance.
Rabab Fatima, Parteek Prasher, Mousmee Sharma, Dietrich Büsselberg, Gabriela Figueroa‐González, Octavio Daniel Reyes‐Hernández, Edgar Yebrán Villegas‐Vázquez, Hernán Cortés, Gerardo Leyva‐Gómez, Jesús Herrera‐Bravo, Solomon Habtemariam, Javad Sharifi‐Rad, Monica Butnariu, Cristian Berar, Angela Caunii, William C. Cho   +15 more
wiley   +1 more source

Astrometric and Photometric Measurements of Binary Stars with Adaptive Optics: Observations from 2002

, 2010
The adaptive optics system at the 3.6 m AEOS telescope was used to measure the astrometry and differential magnitude in I-band of 56 binary stars in 2002.
Bagnuolo, Bodin, Bradley, Burnham, Caballero-Nieves, Cowley, Cox, Docobo, Fugate, Hartkopf, Hinkley, Horch, Horch, Høg, Lewis C. Roberts Jr, Mason, Mason, Mason, Oppenheimer, Perryman, Priuer, Roberts, Roberts, Roberts, Royer, Seymour, Shelton, Spinhirne, ten Brummelaar, ten Brummelaar, Turner   +30 more
core   +1 more source

Residual flexibility in the topologically constrained multivalent complex between the GKAP scaffold and LC8 hub proteins

The FEBS Journal, Volume 293, Issue 1, Page 76-95, January 2026.
The scaffold protein GKAP and the hub protein LC8 form a well‐defined hexameric complex, with the stoichiometry of 2 GKAP : 2 LC8 dimers. NMR and molecular dynamics calculations confirm that the LC8‐binding segment of GKAP is intrinsically disordered even in the complex form.
Eszter Nagy‐Kanta, Zsófia E. Kálmán, Helena Tossavainen, Tünde Juhász, Fanni Farkas, József Hegedüs, Melinda Keresztes, Tamás Beke‐Somfai, Zoltán Gáspári, Perttu Permi, Bálint Péterfia   +10 more
wiley   +1 more source

Monitoring Bridge Vibrations via Spaceborne SAR Micro‐Doppler

Structural Control and Health Monitoring, Volume 2026, Issue 1, 2026.
The advent of Synthetic Aperture Radar (SAR) imaging has presented the possibility of remote monitoring of civil infrastructure on a large scale. Although well established for observing slow and long‐term phenomena, its application to vibration‐based structural health monitoring (SHM) remains relatively unexplored in the current literature.
Alessandro Lotti, Aleksanteri B. Vattulainen, Sebastian Diaz Riofrio, Chiara Suppi, Enrico Tubaldi, Daniele Zonta, Pietro Milillo, Carmine Clemente, Lukasz Jankowski   +8 more
wiley   +1 more source

Speckle-based off-axis holographic detection for non-contact photoacoustic tomography

Current Directions in Biomedical Engineering, 2015
A very fast innovative holographic off-axis non-contact detection method for Photoacoustic Tomography (PAT) is introduced. It overcomes the main problems of most state-of-the-art photoacoustic imaging approaches that are long acquisition times and the ...
Buj C., Horstmann J., Münter M., Brinkmann R.   +3 more
doaj   +1 more source

ESPI nondestructive testing for coating interface failure

工程科学学报, 2016
A detection platform of coating failure processes was designed and constructed on the basis of laser electronic speckle pattern interferometry(ESPI).
GAO Jin, SHEN Lin, FENG Hai-xiang, JIANG Hong-xia, LI Xiao-gang   +4 more
doaj   +1 more source

Speckle Interferometry, Speckle Masking, Speckle Spectroscopy and Speckle Frame Selection [PDF]

International Astronomical Union Colloquium, 1984
AbstractHigh-resolution speckle imaging is one of the most fascinating possibilities of a Very Large Telescope (VLT). Various speckle methods can yield a resolution of about 0.01" with a 8-m to 10-m VLT. As exiting as the resolution is the limiting magnitude of the speckle methods. The limiting magnitude is extremely seeingdependent.
openaire   +1 more source

The High Angular Resolution Multiplicity of Massive Stars

, 2008
We present the results of a speckle interferometric survey of Galactic massive stars that complements and expands upon a similar survey made over a decade ago.
Alzner, Alzner, Alzner, Baize, Baize, Baize, Baize, Barnaby, Brendley, Brendley, Brian D. Mason, Clarke, Couteau, Couteau, Couteau, Cvetkovic, Cvetkovic, Docobo, Docobo, Docobo, Docobo, Docobo, Docobo, Docobo, Docobo, Docobo, Docobo, Docobo, Docobo, Docobo, Docobo, Docobo, Docobo, Douglas R. Gies, ESA, Espin, Fekel, Finsen, Finsen, Finsen, Finsen, Finsen, Finsen, Finsen, Finsen, Forveille, Gies, Hartkopf, Hartkopf, Hartkopf, Hartkopf, Hartkopf, Hartkopf, Hartkopf, Hartkopf, Hartkopf, Hartkopf, Hartkopf, Harvey, Harvin, Heintz, Heintz, Heintz, Heintz, Heintz, Heintz, Heintz, Heintz, Holden, Honig, Hoogerwerf, Horch, Hummel, Hummel, Isobe, Isobe, John W. Helsel, Lane, Leonard, Ling, Ling, Ling, Ling, Mante, Mante, Mante, Mante, Mante, Mante, Mante, Mason, Mason, Mason, Mason, Mason, Mason, Mason, Mason, Maíz-Apellániz, Maíz-Apellániz, Mourao, Muller, Nelan, Niemela, Nys, Olevic, Olevic, Olevic, Olevic, Olevic, Olevic, Olevic, Patience, Penny, Petr, Popovic, Romero, Romero, Romero, Romero, Rossiter, Scardia, Scardia, Scardia, Seymour, Seymour, Seymour, Seymour, Seymour, Simon, Starikova, Starikova, Starikova, Söderhjelm, Tamazian, Todd J. Henry, Tokovinin, Tokovinin, Turner, Turner, van den Bos, Vanbeveren, Walborn, Weigelt, William I. Hartkopf, Zaera, Zirm, Zirm, Zulevic, Zulevic, Öpik   +150 more
core   +1 more source

The unlikely rise of masking interferometry: leading the way with 19th century technology

, 2013
The exquisite precision delivered by interferometric techniques is rapidly being applied to more and more branches of optical astronomy. One particularly successful strategy to obtain structures at the scale of the diffraction limit is Aperture Masking ...
Tuthill, Peter G.
core   +1 more source