Results 81 to 90 of about 4,565,671 (287)

Precise orbit determination for representative near-Earth asteroids based on optical observations of ground-based stations and the Earth-Moon L1 point’s orbit

Geo-spatial Information Science
Precise orbit determination of near-Earth asteroids (NEAs) provides a critical foundation for exploration missions. Considering that cislunar space is a critical domain for future human space activities and the unique positional advantage of the Earth ...
Zhenqi Wang, Jianguo Yan, Wutong Gao, Shangbiao Sun, Zhen Wang, Wanling Yang, Hakim Saibi, Jean-Pierre Barriot   +7 more
doaj   +1 more source

Engineering peptides into antibodies—opportunities and strategies for therapeutic innovation

FEBS Letters, EarlyView.
Peptides and antibodies occupy complementary therapeutic niches. Peptides recognize difficult targets in a compact format, while antibodies add specificity, long half‐life, and effector functions. This review examines strategies that merge both modalities—peptide grafting into loops, terminal and Fc fusions, and bioconjugation—highlighting how ...
Jinling Wang, Ruslana Romaniuk, Hristo L. Svilenov   +2 more
wiley   +1 more source

Projective Plane Subdivision Method for Initial Orbit Determination

17 pages, 9 ...
Ruiqi Huang, Anton Leykin, Michela Mancini   +2 more
openaire   +3 more sources

DETERMINATION OF INITIAL CONDITIONS FOR SATELLITE FORMATION ELYING IN ELLIPTICAL ORBITS

Journal of Astronomy and Space Sciences, 2005
The initial conditions that generate bounded motion in eccentric reference orbit are determined for satellite formation flying. Because Hill's equations cannot describe the relative motion between two satellites in eccentric orbit, a new relative dynamics utilizing the nonlinearity and eccentricity correction for Hill's initial conditions is ...
Woo-Kyoung Lee, Sung-Moon Yoo, Sang-Young Park, Kyu-Hong Choi, Young-Keun Chang   +4 more
openaire   +3 more sources

Onboard orbit determination using GPS measurements for low Earth orbit satellites [PDF]

, 2005
Recent advances in spaceborne GPS technology have shown significant advantages in many aspects over conventional technologies. For instance, spaceborne GPS can realize autonomous orbit determination with significant savings in spacecraft life cycle, in ...
Zhou, Ning
core  

Emerging experimental and computational methods for studying redox‐regulated structural transitions

FEBS Letters, EarlyView.
Redox reactions can reshape proteins and alter how they behave in cells, with important consequences for health and disease. This review explores emerging experimental and computational approaches for discovering these redox‐sensitive protein switches, revealing their structural effects, and predicting their behavior, opening new opportunities to ...
Tasneem Rass, Dana Reichmann, Gábor Erdős   +2 more
wiley   +1 more source

Synergistic perspectives—How single‐molecule biophysics complement biochemical understanding

FEBS Letters, EarlyView.
In this review, we discuss how ensemble biochemistry and single‐molecule approaches are complementary, outline commonly used single‐molecule techniques, and illustrate their relevance through two representative case studies: chromatin organization by SMC complexes and pathway choice during DNA double‐strand break repair.
Sara De Bragança, Eline L. Jansen, Jorine M. Eeftens   +2 more
wiley   +1 more source

Translophagy—A potential link between autophagy impairment and translational errors

FEBS Letters, EarlyView.
Neurodegenerative diseases are characterised by the accumulation of abnormal proteins and protein aggregates, but their origin often remains unknown. We propose that selective autophagy removes damaged protein‐making machinery, preventing errors during protein synthesis.
Mykola V. Korolchuk, Gailing Ma, Robin Antrobus, Diego Manni, Marco Trevisan‐Herraz, Mustafa Khwaja, Max Brown, Gavin D. Richardson, Masaaki Komatsu, Daniel Erskine, Viktor I. Korolchuk, Tetsushi Kataura   +11 more
wiley   +1 more source

Initial Orbit Determination Solution Distribution with Gooding Algorithm and Performance Enhancement

Space: Science & Technology
An initial orbit determination (IOD) solution from angles-only observations of a single short orbit arc is often required for applications such as tracklet association and fast reacquisition of a newly detected space object.
Zhengyuan Zhang, Bin Li, Zhenwei Li, Xiaohong Zhang, Jizhang Sang   +4 more
doaj   +1 more source

Space-Based Orbit Determination Using Passive Optical Measurements in LEO [PDF]

openThe increasing number of artificial objects placed in Low Earth Orbit (LEO) has created the need for improvement in the present Space Surveillance and Tracking (STT) systems, which perform Orbit Determination (OD) to estimate their trajectories ...
CABRERA GARCIA, JUAN FELIPE
core