Results 81 to 90 of about 114,247 (266)

Spatiotemporal cellular dynamics of the notochord shape intervertebral disc morphogenesis in the mouse embryo through apoptosis and proliferation

open access: yesDevelopmental Dynamics, EarlyView.
Abstract Background The notochord is a midline structure essential for vertebrate embryogenesis, contributing to the development of the nervous system, digestive tract, and vertebral column. In particular, notochord signaling is indispensable for proper patterning and coordinated development of alternating vertebrae and intervertebral discs (IVDs ...
Julie Warin   +5 more
wiley   +1 more source

Effect of coal mining on net primary productivity of vegetation in Shendong Mining Area

open access: yesMeitan kexue jishu
Coal mining in Shendong Mining area has an important impact on the local ecological environment, especially the growth of vegetation. In order to describe this effect quantitatively, this study uses a regional evapotranspiration model to calculate the ...
Hongbo NIU   +9 more
doaj   +1 more source

Genes involved in degradation of para-nitrophenol are differentially arranged in form of non-contiguous gene clusters in Burkholderia sp. strain SJ98.

open access: yesPLoS ONE, 2013
Biodegradation of para-Nitrophenol (PNP) proceeds via two distinct pathways, having 1,2,3-benzenetriol (BT) and hydroquinone (HQ) as their respective terminal aromatic intermediates. Genes involved in these pathways have already been studied in different
Surendra Vikram   +3 more
doaj   +1 more source

Real‐world characteristics and treatment of cardiac transthyretin amyloidosis: A multicentre, observational study

open access: yesESC Heart Failure, Volume 12, Issue 2, Page 1203-1216, April 2025.
The 366 patients diagnosed with transthyretin amyloidosis cardiomyopathy (ATTR‐CM) were analyzed regarding their clinical characteristics in the first year after approval of tafamidis 61 mg for ATTR‐CM in Germany. Nearly two‐thirds of the patients were in an advanced disease stage and 64% met the key criteria of the “Transthyretin Amyloidosis ...
Richard J. Nies   +23 more
wiley   +1 more source

Semiconductors can be tested without removing them from circuitry [PDF]

open access: yes, 1966
Oscilloscope, with specially developed test circuitry, quickly checks semiconductors without removing them from the circuitry. For transistors, approximate gain and linearity, as well as PNP or NPN determinations are made.
Allen, B. C.
core   +1 more source

GSLAM: Initialization-robust Monocular Visual SLAM via Global Structure-from-Motion

open access: yes, 2017
Many monocular visual SLAM algorithms are derived from incremental structure-from-motion (SfM) methods. This work proposes a novel monocular SLAM method which integrates recent advances made in global SfM. In particular, we present two main contributions
Tan, Ping, Tang, Chengzhou, Wang, Oliver
core   +1 more source

Zinc‐Mediated Photodegradation of Nitrophenols in Aqueous Solution: Devising Environmental Mitigation Strategies With Ultrafast Spectroscopic Insights

open access: yesElectron, EarlyView.
We implement a suite of steady‐state and time‐resolved spectroscopic techniques to elucidate the zinc‐mediated photodegradation of nitrophenols in aqueous solution. From ultrafast electronic spectroscopy of aci‐nitrophenol on femtosecond‐to‐nanosecond timescales to tracking photoproducts with absorption and vibrational signatures (through ground‐state ...
Taylor D. Krueger   +4 more
wiley   +1 more source

Foraging and movement flexibility shape seed dispersal by an arboreal primate in a modified landscape

open access: yesOikos, EarlyView.
As habitats change, the effectiveness of animal‐mediated seed dispersal increasingly depends on animal responses to altered structure and resources. With habitat loss and degradation accelerating across the tropics, understanding how dispersers' foraging behavior and movement influence seed removal and deposition is critical to promoting forest ...
Anaid Cárdenas‐Navarrete   +2 more
wiley   +1 more source

Survey on AI‐Enabled Computer Vision Technologies and Applications for Space Robotic Missions

open access: yesJournal of Field Robotics, EarlyView.
ABSTRACT This survey provides a comprehensive overview of recent advancements and challenges in Artificial Intelligence (AI)‐enabled computer vision (CV) techniques for space robotic missions, spanning critical phases such as Entry, Descent, and Landing (EDL), orbital operations, and planetary surface exploration.
Maciej Quoos   +6 more
wiley   +1 more source

Virtual Elastic Tether: A New Approach for Multi‐Agent Navigation in Confined Aquatic Environments

open access: yesJournal of Field Robotics, EarlyView.
ABSTRACT Underwater navigation is a challenging area in the field of mobile robotics due to inherent constraints in self‐localization and communication in underwater environments. Some of these challenges can be mitigated by using collaborative multi‐agent teams.
Kanzhong Yao   +5 more
wiley   +1 more source

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