Results 41 to 50 of about 282,290 (351)

A Single-Use Microthruster Concept for Small Satellite Attitude Control in Formation-Flying Applications

open access: yesAerospace, 2018
In recent years, the maturation of small satellite technology has led to their adoption for a variety of space missions. The next generation of small satellite missions, however, will likely have the satellites operating in formations or “constellations”
Sandra Romero-Diez   +5 more
doaj   +1 more source

UiO‐66 metal–organic frameworks in biomedicine: From structural tunability to bioimaging, photodiagnostics, and photodynamic cancer therapy

open access: yesFEBS Open Bio, EarlyView.
UiO‐66(Zr) metal–organic frameworks are chemically stable, biocompatible, and highly tunable nanomaterials. Their modular structure enables controlled drug delivery, multimodal bioimaging, and light‐activated photodynamic therapy, supporting integrated diagnostic and therapeutic (theranostic) applications in cancer and biomedical research.
Veronika Huntošová   +2 more
wiley   +1 more source

Baseline Regional Cholinergic Denervation Predicts Cognitive Trajectories in Moderate Parkinson Disease

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Cognitive decline is a disabling and variable feature of Parkinson disease (PD). While cholinergic system degeneration is linked to cognitive impairments in PD, most prior research reported cross‐sectional associations. We aimed to fill this gap by investigating whether baseline regional cerebral vesicular acetylcholine transporter ...
Taylor Brown   +6 more
wiley   +1 more source

Small Communication Satellites: A Promising Space Industry Needing Insurance

open access: yesInternational Review of Law, 2021
The small satellite industry has experienced unprecedented growth over the past four years. Nearly two hundred (200) small satellites were launched, with a weight ranging from one (1) to (50) kilograms.
معمر بن طرية
doaj   +2 more sources

Constraints from deuterium on the formation of icy bodies in the Jovian system and beyond

open access: yes, 2008
We consider the role of deuterium as a potential marker of location and ambient conditions during the formation of small bodies in our Solar system. We concentrate in particular on the formation of the regular icy satellites of Jupiter and the other ...
Alibert   +58 more
core   +2 more sources

A profile in FIRE: resolving the radial distributions of satellite galaxies in the Local Group with simulations [PDF]

open access: yes, 2020
While many tensions between Local Group (LG) satellite galaxies and LCDM cosmology have been alleviated through recent cosmological simulations, the spatial distribution of satellites remains an important test of physical models and physical versus ...
Bailin, Jeremy   +11 more
core   +3 more sources

FDG‐PET Associations With Disease Severity and Outcomes in NMDA‐Receptor IgG Autoimmune Encephalitis

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Patients with N‐methyl‐D‐aspartate (NMDA) receptor‐immunoglobulin G (IgG) autoimmune encephalitis (NMDAR‐IgG AE) demonstrate occipital lobe hypometabolism on baseline brain fluorodeoxyglucose‐positron emission tomography (bFDG‐PET).
Jonathan K. Lee   +7 more
wiley   +1 more source

3U CubeSat mechanical design and subsystems

open access: yesActa Polytechnica
In this paper, an in-depth analysis of the mechanical design and integration of the 3U CubeSat subsystems is presented, a common form factor in the small satellite community.
Mohammad Suhel Karkun
doaj   +1 more source

Low-Profile Aperture-Coupled Patch Antenna Array for CubeSat Applications

open access: yesIEEE Access, 2020
This paper presents the design, simulation, and measurement results of a dual aperture-coupled microstripline-fed antenna array with circular polarization at the C-band for small satellites applications.
Patricia Bouca   +3 more
doaj   +1 more source

A Systematic Comparison of Alpha‐Synuclein Seed Amplification Assays for Increasing Reproducibility

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Seed amplification assays (SAAs) enable ultrasensitive detection of misfolded α‐synuclein across biofluids and tissues. Yet, heterogeneity in protocols limits cross‐study comparability and clinical translation. Here, we review α‐synuclein SAA methods and their performance across various biological matrices.
Manuela Amaral‐do‐Nascimento   +3 more
wiley   +1 more source

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