Results 51 to 60 of about 4,019,827 (271)

Design and Modelling of a Compact Dual-Purpose Star Tracker and Debris Detector for Small Satellites: Straylight, Thermal, and Structural

Aerospace
In this paper the design, modelling, and performance assessment of a miniaturised dual-purpose optical instrument for small satellites are presented. The instrument can function as a star tracker and as a space-debris detection camera.
João P. Castanheira, Beltran N. Arribas, Geraldo Rodrigues, Pedro Marinho, Rui Melicio, Miguel C. Fialho, Paulo Gordo, André R. R. Silva   +7 more
doaj   +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

Research on Multi-Beam Interference Competition Suppression Algorithms for Laser Doppler Vibrometry

Applied Sciences
The Laser Doppler Vibrometer (LDV) is widely used in precision vibration measurement due to its non-contact nature and high accuracy. However, when measuring non-cooperative targets, the internal stray light in the LDV interferes with the target’s return
Yangyi Shen, Xinxin Kong, Rui Zhang, Yahao Wang, Wenxi Zhang   +4 more
doaj   +1 more source

L‐aspartate oxidase provides new insights into fumarate reduction in anaerobic darkness in Synechocystis sp. PCC6803

FEBS Letters, EarlyView.
Synechocystis strains deficient in succinate dehydrogenase (SDH) secrete more succinate than the WT under dark anaerobic conditions, supporting that SDH then primarily acts as SDH, not as a fumarate reductase. L‐aspartate oxidase (Laspo) from Synechocystis is functional under anaerobic conditions, reducing fumarate to succinate.
Kateryna Kukil, Jeffrey A. Hawkes, Cecilia Blikstad, Pia Lindberg   +3 more
wiley   +1 more source

Artificial molecular machines and motors—Design and control of nanoscale motion

FEBS Letters, EarlyView.
Molecules are constantly moving because of thermal fluctuations, but random motion alone cannot be exploited to perform directional tasks. Artificial molecular machines use chemical, electrical, or light energy to bias this motion. Molecular shuttles, rotary motors, and supramolecular pumps illustrate how nanoscale movement can be controlled and ...
Leonardo Andreoni, Alberto Credi
wiley   +1 more source

The ubiquitin system in normal and infected germinal center B cells

FEBS Letters, EarlyView.
The ubiquitin system plays a central role in germinal center (GC) B cells, influencing differentiation to long‐lived memory B cells. Oncogenic gammaherpesviruses gain access to memory B cells by establishing latency in GC B cells. Mapping ubiquitin mechanisms in normal and infected GC B cells will define specific molecular circuits in B cells germane ...
Destiny Davis, Lesly Mejia, Emily K Moser   +2 more
wiley   +1 more source

Estimation of Earth Reflection Spectral Radiation Flux and External Stray Radiation From a Moon-Based Spectral Radiometer

IEEE Access
A Moon-based spectral radiometer (MBSR) can continuously measure the Earth’s outward total reflection spectral radiative flux across different phases, offering valuable insights into climate studies, the search for extraterrestrial life, and the ...
Cong Zhao, Kai Wang, Ye Jiang, Xin Ye, Xiaolong Yi, Wei Fang, Ping Zhu, Shuqi Li, Zhitao Luo   +8 more
doaj   +1 more source

Metastatic niche shaped by host factors influences disseminated cancer cell fate

FEBS Letters, EarlyView.
Metastasis is shaped not only by cancer cells but also by the environments they encounter. This review explores how factors such as aging, diet, the microbiome, lifestyle, and environmental exposures remodel organ‐specific niches in the lung, liver, bone, and brain, influencing where metastatic cells survive, remain dormant, or grow, and ultimately ...
Gwennan Delyth Ward, Álvaro Ruiz‐Tabas, Patricia Altea‐Manzano   +2 more
wiley   +1 more source

DMD-Based Anti-Strong-Light Detecting and Imaging System

Applied Sciences
Strong light interference severely degrades imaging system performance. This paper presents a novel digital micromirror device (DMD)-based imaging system for robust, strong light suppression and long-distance detection.
Zuo Tang, Xiaoheng Wang, Yefei Mao, Ruochen Zhao, Baozhen Zhao, Huicong Chang, Chang Yang, Lin Xiao   +7 more
doaj   +1 more source

Inhibition of dipeptidyl peptidase 7 impairs lysophagy in LLOMe‐treated HepG2 cells

FEBS Letters, EarlyView.
DPP7 inhibition delays ubiquitin‐dependent lysophagy by attenuating ubiquitin accumulation and the recruitment of SQSTM1 and LC3 to damaged lysosomes, resulting in delayed clearance of damaged lysosomes and impaired restoration of lysosomal homeostasis. Created using FigureLabs (Certificate ID: FL‐PUB‐20260922‐Z99XNX).
Na Yeon Park, Inho Kwon, Yong Hwan Kim, Ji‐Eun Bae, Joon Bum Kim, Seong Hyun Kim, Sungho Maeng, Doo Sin Jo, Dong‐Hyung Cho   +8 more
wiley   +1 more source