Results 141 to 150 of about 52,158 (299)

THE FIRST MULTICOLOUR PHOTOMETRY OF THE V840 LYR CONTACT BINARY STAR

Revista Mexicana de Astronomía y Astrofísica
Light curves for the total-eclipsing binary system V840 Lyr in the V, Rc, and Ic bands are presented; these display the O'Connell effect. Analysis was performed with the Phoebe031a software revealing that V840 Lyr is a W-type contact binary with a degree of contact factor of f = 15.1 ± 5.6%, a mass ratio of q = 0.4509 ± 0.0705, an inclination of i = 86.
Aceves, Hector, Keskin, Ahmet, Bulut, Ahmet, Michel, Raul, Tanrıver, Mehmet   +4 more
openaire   +3 more sources

Mesoporous Silica Nanoparticles in Biomedicine: Advances and Prospects

Advanced Materials, EarlyView.
Mesoporous silica nanoparticles offer unique properties like high surface area, tunable pores, and functionalization. They excel in drug delivery, tissue engineering, and stimuli‐responsive therapies, enabling targeted and controlled treatments. With roles in cancer therapy and diagnostics, their clinical translation requires addressing challenges in ...
Miguel Manzano, María Vallet‐Regí
wiley   +1 more source

Search for Close Binary Evolved Stars

, 1988
We report on a search for short -period binary systems composed of pairs of evolved stars. The search is being carried out concurrently with a program to characterize the kinematical properties of two different samples of stars.
Liebert, J., Saffer, R. A.
core  

A photometric study of near-contact eclipsing binary stars

, 2002
The main characteristics of the near-contact binary stars (NCBs) are: 1) Their orbital periods range from about 0.4 to 1.1 day. 2) There is tidal interaction between their components, which affects the shape of the light curves. 3) The facing surfaces of
Μανιμάνης, Βασίλειος, Manimanis, Vasileios   +1 more
core   +1 more source

Exploring Contact Binaries: Photometric Analysis of Short-period Contact Binaries in OGLE SMC Field

The Astronomical Journal
We present a comprehensive photometric analysis of 15 short-period contact binary systems using photometric data from Optical Gravitational Lensing Experiment, All-Sky Automated Survey for Supernovae, and space-based Transiting Exoplanet Survey Satellite
A. Panchal, Kai Li
doaj   +1 more source

Electrically Readable Lateral Flow Assay Using Organic Transistors for Diagnostic Applications

Advanced Materials, EarlyView.
Electrolyte‐gated organic field‐effect transistors (EGOFETs) are integrated with lateral flow (LF) paper fluidics to create a reusable, portable, and low‐cost point‐of‐care (PoC) diagnostic test. The devices are validated for Human Immunoglobulin G detection, achieving high sensitivity (0.1 fm), selectivity, and reproducibility with rapid results in 20–
María Jesús Ortiz‐Aguayo, Carme Martínez‐Domingo, Diego Gutiérrez, Dean Kos, Marta Mas‐Torrent   +4 more
wiley   +1 more source

The Reason for the Occurrence of W-type Contact Binaries

The Astrophysical Journal Supplement Series
For more than half a century, the puzzling W-type phenomenon in contact binaries has challenged astrophysicists. In these systems, the less massive component exhibits a higher surface temperature than its more massive companion, which is a reversal of ...
Jia Zhang, Sheng-Bang Qian, Li-Ying Zhu, Xu-Zhi Li   +3 more
doaj   +1 more source

Mechanically Programmable DNA Hydrogel Microparticles for 3D Cellular Systems

Advanced Materials, EarlyView.
DNA hydrogel microparticles are designed to exhibit controllable viscoelasticity and stiffness across three orders of magnitude from 30Pa$30 \,\mathrm{Pa}$ to 6.5kPa$6.5 \,\mathrm{kPa}$. They are uptaken into fibroblast spheroids where they are actively remodeled by cellular forces depending on their mechanical properties.
Tobias Walther, Eleni Dalaka, Gotthold Fläschner, Manuel Gómez‐González, Ilia Platzman, Sadaf Pashapour, Michelle Emmert, Pere Roca‐Cusachs, Xavier Trepat, Kerstin Göpfrich   +9 more
wiley   +1 more source

Viral Infection‐Inspired Autonomous Detection of Fusion‐Competent Viruses for Screening and Environmental Surveillance

Advanced Materials, EarlyView.
Inspired by viral entry mechanisms, the FUSION assay enables autonomous detection of respiratory viruses via membrane fusion–triggered CRISPR‐Cas13a activation. VEACON selectively fuses with fusion‐competent viruses, triggering fluorescence within confined vesicles.
Jae Chul Park, Yidam Song, Hyun‐Woo Choi, Jaeuk Sung, Harin Jin, WonSeok Gwak, Kirim Yoo, Soohwang Lee, Jongeon Park, Jeongmin Kim, Hye‐Jun Jo, Jahyun Koo, Youngdo Jeong, Kwan Hyi Lee, Seung‐Jung Kee, Hojun Kim   +15 more
wiley   +1 more source

Light Curve Study of the Eclipsing Contact Binary V2477 Cyg

, 2016
V2477 Cyg is a short-period eclipsing binary star system in the Cygnus constellation. Its light curve indicates that the two stars are so close as to be in physical contact with each other.
Freund, Stephen
core