Results 121 to 130 of about 12,062 (300)

Absolute Luminosities of Stellar Candles

, 2002
Stellar candles are the basic tools to determine the extragalactic distance scale. Its use relies on some given fundamental relation that allows to estimate the absolute magnitude of an object from observable parameters and from that its distance.
X. Luri, F. Figueras, J. Torra
core   +1 more source

Gaia, Stellar Populations and the Distance Scale

, 2018
We discuss the impact that Gaia, a European Space Agency (ESA) cornerstone mission that has been in scientific operations since July 2014, is expected to have on the definition of the cosmic distance ladder and the study of resolved stellar populations in and beyond the Milky Way, specifically focusing on results based on Cepheids and RR Lyrae stars ...
Clementini, Gisella, Garofalo, Alessia, Muraveva, Tatiana, Ripepi, Vincenzo   +3 more
openaire   +2 more sources

Tumor B‐cell infiltration in platinum‐treated advanced muscle‐invasive urothelial carcinoma

Molecular Oncology, EarlyView.
Bladder tumors with higher pretreatment memory B‐cell infiltration were linked to longer survival after cisplatin chemotherapy, but not carboplatin. These tumors also showed more organized immune structures (tertiary lymphoid structures) and a shared pro‐inflammatory B‐cell‐rich community, suggesting that memory B cells may help identify patients most ...
Konrad Stawiski, Júlia Perera‐Bel, Alejo Rodriguez‐Vida, Nuria Juanpere, Jihyun Lee, Daniel E. Michaud, Jennifer L. Guerriero, Kent W. Mouw, Aristotelis Bamias, Filipe L. F. Carvalho, Joaquim Bellmunt   +10 more
wiley   +1 more source

Weakening the nuclear envelope: Lamin B receptor in melanoma metastasis

Molecular Oncology, EarlyView.
LBR‐driven nuclear fragility supports melanoma invasion. A: Melanocyte presents low LBR (Lamin B Receptor) levels, maintaining nuclear integrity and lamina‐chromatin tethering. B: During malignant progression, upregulation of LBR clusters at the INM (Inner Nuclear Membrane) during confined migration causes local lamina weakening and cholesterol ...
Francesca Lorenzini, Maria Caterina Mione   +1 more
wiley   +1 more source

Important considerations of Stellar distance indicators

, 2020
Periodic luminous pulses are very important for measurements in Cosmology and Astrophysics, and there are very specific methods and sources which exhibit such properties. Stellar astrophysics provides a number of observational and mathematical sources which give a very important tool in understanding the dynamics of an expanding Universe, and in this ...
openaire   +2 more sources

Patient therapy outcome modeling in cancer organoids is improved by cancer‐associated fibroblasts and organoid assembly convolution

Molecular Oncology, EarlyView.
Patient‐derived organoids (PDOs) from pancreatic, colorectal, and gastric cancers were used to evaluate standard and experimental therapies. Incorporating cancer‐associated fibroblasts (CAFs) into organoid cultures improved patient therapy outcome prediction.
Marcin Grochowski, Liudmyla Dolinchuk, Michał Jerzak, Albert Gandurski, Tomasz Grochowski, Weronika Wojtyś, Maciej Zadrożny, Wojciech Kaźmierczak, Małgorzata Lenarcik, Marta Matejak‐Górska, Radosław Samsel, Tomasz Olesiński, Dawid Walerych   +12 more
wiley   +1 more source

An Empirical Tool to Derive Metallicity, Reddening, and Distance for Old Stellar Populations from Near-Infrared Color-Magnitude Diagrams

, 2006
We present an empirical method to derive photometric metallicity, reddening, and distance to old stellar populations by using a few major features of the red giant branch (RGB) in near-IR color-magnitude diagrams.
FERRARO, FRANCESCO ROSARIO, VALENTI, ELENA, L. Origlia   +2 more
core   +1 more source

Raman‐based label‐free microscopic analysis of the pancreas in living zebrafish larvae

FEBS Open Bio, EarlyView.
Forward stimulated Raman scattering (F‐SRS) and epi coherent anti‐Stokes Raman scattering (E‐CARS) allow label‐free discrimination of distinct subcellular structures in the pancreas of living zebrafish larvae. Given the straightforward applicability, we anticipate broad implementation of Raman microscopy in other organs and across various biomedical ...
Noura Faraj, Eline M. F. de Lange, Klaas A. Sjollema, Ben N. G. Giepmans   +3 more
wiley   +1 more source

A Compilation of Optical Starlight Polarization Catalogs

The Astrophysical Journal Supplement Series
Polarimetry of stars at optical and near-infrared wavelengths is an invaluable tool for tracing interstellar dust and magnetic fields. Recent studies have demonstrated the power of combining stellar polarimetry with distances from the Gaia mission, in ...
G. V. Panopoulou, L. Markopoulioti, F. Bouzelou, M. A. Millar-Blanchaer, S. Tinyanont, D. Blinov, V. Pelgrims, S. Johnson, R. Skalidis, A. Soam   +9 more
doaj   +1 more source

From stellar nebula to planetesimals

, 2014
Context. Solar and extrasolar comets and extrasolar planets are the subject of numerous studies in order to determine their chemical composition and internal structure. In the case of planetesimals, their compositions are important as they govern in part
Amaury Thiabaud, Cabral, N., Alibert, Yann, Nahuel Cabral, Alibert, Y., Ulysse Marboeuf, Benz, Willy, Willy Benz, Cabral, Nahuel, Thiabaud, Amaury, Marboeuf, Ulysse, Marboeuf, U., Thiabaud, A., Yann Alibert, Benz, W.   +14 more
core   +1 more source