Results 261 to 270 of about 1,014 (294)

Cellular Responses to Mechanical Cues Across Scales: From Fundamental Insights to Translational Potential

Advanced Healthcare Materials, EarlyView.
This review examines how cellular behavior is regulated by mechanical cues transmitted through soft biomaterials, from single‐cell mechanosensing to tissue‐level adaptation. It highlights why physiological relevance, rather than model complexity alone, is critical for translational mechanobiology and introduces a scoring framework linking material ...
Mathias Polz, Manuel P. Kainz, Niklas Haider, Theresa Rienmüller, Kerstin Lenk, Rupert Kargl, Michele Terzano, Gerhard Sommer, Gerhard A. Holzapfel, Julia Fuchs   +9 more
wiley   +1 more source

Gardiquimod Nanoemulsion Targets Cutaneous Leishmaniasis Lesions Reducing Systemic Toxicity and Parasite Burden

Advanced Healthcare Materials, EarlyView.
Nanoemulsion delivery of a TLR7 agonist enhances safety and promotes colocalization with Leishmania‐infected macrophages in skin lesions, enabling a ∼2‐log reduction in parasite burden. However, tissue‐level constraints and TLR‐driven regulatory feedback generate a mixed immune response that limits complete parasite clearance.
Carmen Palomino‐Cano, M. Carmen Mera‐Delgado, Esther Moreno, Esther Larrea, Lecnia Aguirre, Jonathan Miguel Zanatta, Sónia Barros‐Carvalho, Iola F. Duarte, Ricardo Silvestre, Juan M. Irache, Javier Carrión, Socorro Espuelas   +11 more
wiley   +1 more source

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Line formation in pulsating variable stars

Journal of Quantitative Spectroscopy and Radiative Transfer, 1971
Abstract We describe an integral equation method that solves the equation of radiative transfer in a spectral line for an opacity that depends on depth, frequency, and angle, and derive an expression for the line source function of a two-level atom in a gas that is traversed by a plane, steady shock wave.
W. Kalkofen, C.A. Whitney
openaire   +1 more source

Polarimetric observations of pulsating variable stars

Astrophysics, 1996
Results are presented for polarimetric observations of 17 red giants and supergiants, of which nine are long-period Mira variables, five are semiregular variables (SR), and three are slowly fluctuating variables (Lb). Light polarization is detected for eight stars, seven of them for the first time.
N. D. Melikian, M. A. Eritsian
openaire   +1 more source

Construction of the Database for Pulsating Variable Stars

Chinese Astronomy and Astrophysics, 2012
Abstract A database for pulsating variable stars is constructed to favor the study of variable stars in China. The database includes about 230,000 variable stars in the Galactic bulge, LMC and SMC observed in an about 10 yr period by the MACHO(MAssive Compact Halo Objects) and OGLE(Optical Gravitational Lensing Experiment) projects. The software used
Bing-Qiu Chen, Ming Yang, Bi-Wei Jiang
openaire   +1 more source

The Pulsation Theory of Variable Stars

Nature, 1949
CEPHEID (variable stars—the name given to stars which behave like δ Cephei—have played a distinguished part in modern astronomy. Their most characteristic feature—that there is a definite relation between period and median absolute luminosity—was discovered by Miss Leavitt in 1912 when investigating the Lesser Magellanic Cloud.
openaire   +1 more source

Pulsating Variable Stars

2003
Of all the variable stars, pulsating stars, especially the Mira (M) and semiregular (SR) stars, are probably the most observed by amateur astronomers. This claim is easily understood when you consider that well over 22,000 pulsating variable stars are cataloged within the GCVS and several million pulsating stars probably exist within the Milky Way.
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C. The Continuous Spectrum of Pulsating Variable Stars

Symposium - International Astronomical Union, 1967
Pecker:The topic to be considered today is the continuous spectrum of certain stars, whose variability we attribute to a pulsation of some part of their structure. Obviously, this continuous spectrum provides a test of the pulsation theory to the extent that the continuum is completely and accurately observed and that we can analyse it to infer the ...
J. B. Oke, C. A. Whitney
openaire   +1 more source

Physical Basis of the Pulsation Theory of Variable Stars

Annual Review of Astronomy and Astrophysics, 1963
A brief historical survey of the development of the pulsation theory of stellar variability is given. The problem of stellar auto-oscillations, the physical basis of the theory of stellar variability, and the universal interpretation of the different types of pulsating variable stars are discussed. (C.E.S.)
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Variability, Pulsations and Mass Loss of Evolved Stars

Proceedings of the International Astronomical Union, 2017
AbstractEvolved low- and intermediate-mass stars that have reached the Asymptotic Giant Branch (AGB) phase tend to show pronounced long-period variability due to large-amplitude pulsations. Those pulsations are considered to play a key role in triggering mass loss through massive dusty winds.
openaire   +1 more source