Results 31 to 40 of about 113,106 (354)

Non-traumatic rupture of the ligamentum flavum with symptomatic spontaneous lumbar epidural hematoma: A case report

open access: yesInterdisciplinary Neurosurgery, 2019
We present a case of a healthy 31 year-old male plumber who presented to the emergency room with acute onset back pain that acutely developed after simply bending over. He developed radiculopathy and cauda equina syndrome over a period of hours.
Ashwin G. Ramayya, MD, PhD   +8 more
doaj   +1 more source

Vulnerability of Conifer Regeneration to Spruce Budworm Outbreaks in the Eastern Canadian Boreal Forest

open access: yesForests, 2019
Spruce budworm (Choristoneura fumiferana) is the main defoliator of conifer trees in North American boreal forests, affecting extensive areas and causing marked losses of timber supplies. In 2017, spruce budworm affected more than 7 million ha of Eastern
J. Lavoie, M. M. Girona, H. Morin
semanticscholar   +1 more source

Dual RNA-seq analysis provides new insights into interactions between Norway spruce and necrotrophic pathogen Heterobasidion annosum s.l.

open access: yesBMC Plant Biology, 2019
Root and butt rot of conifer trees caused by fungi belonging to the Heterobasidion annosum species complex is one of the most economically important fungal diseases in commercial conifer plantations throughout the Northern hemisphere. We investigated the
Andriy Kovalchuk   +11 more
semanticscholar   +1 more source

Unmanned aerial vehicles (UAV) for assessment of qualitative classification of Norway spruce in temperate forest stands

open access: yesGeo-Spatial Information Science, 2018
The study investigates the potential of UAV-based remote sensing technique for monitoring of Norway spruce health condition in the affected forest areas.
O. Brovkina   +3 more
semanticscholar   +1 more source

Sustainable Synthesis of Bio‐Based Magnetic and Conductive Wood for Electromagnetic Interference Shielding Applications

open access: yesAdvanced Engineering Materials, EarlyView.
A wood‐based magnetic and conductive material called Magwood (MW), capable of blocking almost 99.99% of electromagnetic waves (in the X‐band frequency range), is synthesized using a simple, solvent‐free process. MW is lightweight, resists water, and is flame‐retardant, making it a promising alternative for shielding electronics. The rapid proliferation
Akash Madhav Gondaliya   +3 more
wiley   +1 more source

An indolent pancreatic ductal adenocarcinoma with psammoma bodies and a coincidental neuroendocrine tumor

open access: yesHuman Pathology: Case Reports, 2019
Pancreatic ductal adenocarcinoma is a very aggressive neoplasm with a low survival rate, comprising the majority of pancreatic malignancies. Psammoma bodies have rarely been reported in pancreatic ductal adenocarcinoma, and their clinicopathologic ...
Hongxing Gui   +3 more
doaj   +1 more source

Clinical complications of liver disease in adults after the Fontan operation

open access: yesInternational Journal of Cardiology Congenital Heart Disease, 2022
Background: The natural history and complications of Fontan-associated liver disease (FALD) are not well-characterized. We aim to describe the incidence and prevalence of and risk factors for adverse liver-related complications in FALD.
Bhavesh Patel   +7 more
doaj   +1 more source

Drought can favour the growth of small in relation to tall trees in mature stands of Norway spruce and European beech

open access: yesForest Ecosystems, 2018
BackgroundClimate change triggered many studies showing that trends and events of environmental conditions can reduce but also accelerate growth at the stand and individual tree level.
H. Pretzsch, G. Schütze, P. Biber
semanticscholar   +1 more source

Roadmap to Precision 3D Printing of Cellulose: Rheology‐Guided Formulation, Fidelity Assessment, and Application Horizons

open access: yesAdvanced Materials Technologies, EarlyView.
This critical review presents a comprehensive roadmap for the precision 3D printing of cellulose. Quantitative correlations link ink formulation and rheological properties to print fidelity and final material performance. This framework guides the development of advanced functional materials, from biomedical scaffolds to electromagnetic shielding ...
Majed Amini   +3 more
wiley   +1 more source

Top‐Down Fabricated Wood‐Derived Pressure and Strain Sensors: A Review

open access: yesAdvanced Science, EarlyView.
This review focuses on wood‐derived pressure/strain sensors fabricated via top‐down strategies. It analyzes wood's structural composition, examines processing techniques, discusses sensor types and sensing mechanisms, and reviews existing research. The article concludes with future directions for enhancing performance and scalability.
Yi Ren   +8 more
wiley   +1 more source

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