Results 71 to 80 of about 3,567 (259)

Bioorthogonal Engineering of Cellular Microenvironments Using Isonitrile Ligations

Advanced Functional Materials, EarlyView.
Highly selective chemistries are required for fabrication and post‐cross–linking modification of cell‐encapsulating hydrogels used in tissue engineering applications. Isonitrile ligation reactions represent a promising class of bioorthogonal chemistries for engineering hydrogel‐based cellular microenvironments. Isonitrile‐based hydrogels are stable and
Ping Zhou, Lauren Brown, Christopher M. Madl   +2 more
wiley   +1 more source

Period Change of W UMa Type Contact Binary AB And [PDF]

Journal of Astronomy and Space Sciences, 1997
The CCD photometric observations of W UMa-type eclipsing binary AB And were made from September 1994 to October 1996. New four primary minimum times were obtained form these observations.
Ho Jin, Wonyong Han, Chun-Hwey Kim, Jae-Woo Lee, Woo-Baik Lee   +4 more
doaj  

DOPPLER STATION FOR ORBITAL TRACKING OF LOW-ORBIT SPACECRAFTS BY THEIR RADIO BEACON SIGNALS

Odessa Astronomical Publications, 2018
A ground station of orbital tracking of low-orbit spacecrafts has been developed and tested in the RI "Mykolaiv Astronomical Observatory". The station uses the Doppler shift of frequencies of signals radiated by spacecraft radio beacons for their orbital
F. Bushuev, M. Kaliuzhnyi, M. Khalaley, V. Kryuchkovskiy, M. Kulichenko, O. Shulga   +5 more
doaj   +1 more source

Artificial Modulation of the Hydrogen Evolution Reaction Kinetics via Control of Grain Boundaries Density in Mo2C Through Laser Processing

Advanced Functional Materials, EarlyView.
A laser‐driven strategy enables precise microstructural modulation of Mo₂C, achieving nanoscale grain control (15.6 ± 5 nm) and an ultrahigh grain boundary density (130 µm−1). Moreover, high‐angle grain boundaries enhance active sites, facilitate electron transport, and optimize hydrogen adsorption kinetics, significantly reducing overpotential.
Seok‐Ki Hyeong, Byung Joon Moon, Aram Lee, Min Ji Im, Hee Yun Yang, Ji‐Hee Choi, Seung‐Il Kim, Ji‐Yun Moon, Seoungwoong Park, Sung Kyu Jang, Tae‐Wook Kim, Jae‐Hyun Lee, Sukang Bae, Seoung‐Ki Lee   +13 more
wiley   +1 more source

Extended Kalman Filtering of Satellite Doppler Tracking Data and IT¡¯S Application to Orbit Determination Problems [PDF]

Journal of Astronomy and Space Sciences, 1995
Using a directional antenna, the Doppler effect of satellites can be detected and the orbital elements can be obtained by the Extended Kalman Filter with the observed frequency shift data. We obtained the orbital elements of NOAA-11 by the application of
Dong-Kyu Kim, Kyu-Hong Choi
doaj  

Orbital torque: Torque generation by orbital current injection

Physical Review Research, 2020
We propose a mechanism of torque generation by injection of an orbital current, which we call orbital torque. In a magnetic bilayer consisting of a nonmagnet (NM) and a ferromagnet (FM), we consider a situation where the spin-orbit coupling (SOC) is ...
Dongwook Go, Hyun-Woo Lee
doaj   +1 more source

Control of Ferromagnetism of Vanadium Oxide Thin Films by Oxidation States

Advanced Functional Materials, EarlyView.
The nonstoichiometric VOx exhibits a distinct ferromagnetic hysteresis loop and demonstrates a high magnetic susceptibility (χ=dMdH$ = \frac{{dM}}{{dH}}\;$∼10). Micromagnetic simulations show the results of the “partial volume fraction ferromagnetic phase model” for VOx/Co/Pt structure.
Kwonjin Park, Jaeyong Cho, Soobeom Lee, Jaehun Cho, Jae‐Hyun Ha, Jinyong Jung, Dongryul Kim, Won‐Chang Choi, Jung‐Il Hong, Chun‐Yeol You   +9 more
wiley   +1 more source

EXTERNAL COMPARISON SATELLITE POSITIONS OBTAINED BY THE NETWORK OF PASSIVE CORRELATION RANGING OF GESTATIONARY TELECOMMUNICATION SATELLITES

Odessa Astronomical Publications, 2018
Network of passive correlation ranging contains of five stations located in Ukraine and Latvia. It has been created at the initiative of the RI “Mykolaiv Astronomical Observatory” to have independent means to track the future Ukrainian geostationary ...
F. Bushuev, M. Kaliuzhnyi, O. Mazhaev, O. Shulga, L. Shakun, V. Bezrukovs, O. Reznichenko, S. Moskalenko, Ye. Malynovskyi   +8 more
doaj   +1 more source

The Role of Fluorine‐Functionalized Organic Spacers for Defect Passivation and Low‐Dimensional Phase Formation in 3D MAPI Perovskite Solar Cells

Advanced Functional Materials, EarlyView.
Fluorine‐functionalized organic spacers (2F, 3F, 5F) are investigated to identify as optimal passivation agents for 3D MAPI perovskite solar cells (PSCs). The study highlights how altering fluorine positioning affects defect passivation, low‐dimensional phase (LDP) formation, and stability, emphasizing its role in molecular interactions and offering ...
Ali Semerci, Javier Urieta‐Mora, Sander Driessen, Ali Buyruk, Rik Hooijer, Agustín Molina‐Ontoria, Bülent Alkan, Seckin Akin, Mattia Fanetti, Harishankar Balakrishnan, Achim Hartschuh, Shuxia Tao, Nazario Martín, Peter Müller‐Buschbaum, Saim Emin, Tayebeh Ameri   +15 more
wiley   +1 more source

Enhancing UV Stability and Charge Extraction in Organic Solar Cells with Phenyl‐Linked Aromatic Self‐Assembled Monolayer

Advanced Functional Materials, EarlyView.
The phenyl‐linked self‐assembled monolayer exhibits robust intrinsic stability and hole extraction capability compared to the alkyl‐linked counterparts, thus facilitating the device stability with T80 over 1000 h and efficiency of 19.7% in advancing organic solar cells.
Nan Zhang, Wenlin Jiang, Yidan An, Qi Liu, Gengxin Du, Tian Xia, Desui Chen, Chun‐To Wong, Xiao Cheng Zeng, Francis R. Lin, Alex K.‐Y. Jen, Hin‐Lap Yip   +11 more
wiley   +1 more source