Vacuum-bag immobilisation reproducibility for SBRT, lung, abdomen, pelvis and whole-body workflows. Curated daily from Europe PMC (PubMed + PMC + preprints) and OpenAlex — free-full-text link on each open-access paper.
The Quantum-Magnetic Piston: A Unified Theory of Phase-Change Synthesis and Information Transduction Introduction The traditional boundary between mechanical engineering and quantum information science is defined by the scale of interaction. However, by synthesizing the principles of volumetric pressure-temperature correlatives, centrifugal vacuum extraction, and high-density m…
Yanhua YING, Dongya LI, Jiahui Hu, Yujie ZHOU et al.
In addressing the high labor costs and low operational efficiency of greenhouse tomato harvesting and separate packaging workflows, this study develops an integrated tomato harvesting robotic system embedded with RGB-D machine vision, 5-degree-of-freedom manipulator and vertical heat-sealing net bag packaging mechanism. The YOLOv8s lightweight detection model trained on self-bu…
Helen Onyeaka, Keleenna Onyeaka, Phemelo Tamasiga, Neha Mehta
ABSTRACT Food systems are increasingly recognised as material‐intensive socio‐technical systems rather than solely biological or land‐based systems. Yet, critical minerals, which underpin both agricultural inputs and emerging clean energy technologies, remain an under‐recognised determinant of modern food security. Recent global disruptions like the 2021–2022 energy and fertili…
Daniel Paulus, Marc C. Thiel, J. Schneider, Karen Lienkamp et al.
Aerosol deposition (AD) is a promising spray-coating process for producing dense ceramic coatings at room temperature on a wide variety of substrates. However, extensive lattice defects and high compressive residual stresses arising from the intense particle impact limit its applicability. Co-deposition of polymers and ceramics has emerged as a strategy to mitigate these issues…
Aliru Olajide Mustapha, Maryam Adamu, Khadijat Kemi Ajidagba, John Osheizah Abedoh et al.
Biodegradable polyurethane can be produced from sustainable feedstocks such as waste sunflower cooking oil, which is often used for biodiesel production. This work describes the synthesis, characterization, and optimization of sustainable, mixed petroleum-sunflower polyol alongside their optimization. Polyol production was studied at a fixed sodium hydroxide catalyst concentrat…
This study empirically determined the effects of economic uncertainties on non-oil sector in Nigeria from 1985 to 2023. To represent economic uncertainties, the study employed inflation rate, interest rate, exchange rate, and crude oil price while non-oil gross domestic product is employed to represent the non-oil sector in Nigeria. Annual time series data obtained from the Cen…
William Keustermans, Seppe Sels, Thomas De Kerf, Rhys Evans et al.
Accuracy evaluation of phase-shifting profilometry as a motion management add-on for intracranial stereotactic radiosurgery, Keustermans, William, Sels, Seppe, De Kerf, Thomas, Evans, Rhys Gustaf, de Freitas Nascimento, Luana, Hrsak, Hrvoje, Dolanski Babić, Sanja, Vanlanduit, Steve
The quarter-life crisis denotes a phase of acute developmental distress, identity disorientation, and motivational paralysis that surfaces in the years surrounding the transition from late adolescence to settled adulthood. Although the term entered popular discourse two decades ago and has since accumulated a modest body of phenomenological and cross-sectional research, it rema…
Today’s prevailing cultural philosophy is lost in a malaise of confusion and deception. Children and young adults from Christian homes and churches are being lured by these deceptions. Even churched students and graduates from Christian schools (like Colorado Springs Christian School) are hemorrhaging from the body of Christ at unacceptable levels. This DMin thesis project repo…
Microneedles are a game-changer when it comes to drug delivery. They can bypass the liver's first-pass metabolism, which means the drug can be more effective and easier to administer. The way the skin is structured, with its different layers like the epidermis, dermis, and hypodermis, plays a big role in how well microneedles work. To make sure the process is painless, these ti…
This review consolidates experimental, numerical and theoretical studies on liquid jets impinging on solid surfaces and liquid pools, linking three intertwined outcomes — cleaning efficiency, material erosion and acoustic emission — to the underlying jet-flow physics. Empirical studies show that nozzle diameter, jet pressure, flow rate, and stand-off distance jointly influence …
The first volume of the second edition of Rotor Systems covers the analysis of simple rotors, including bearing and gyroscopic effects, with the help of simple rotor‑bearing models. It is biased toward the finite element method analysis for complex rotors, both for torsional and transverse vibrations, including the transfer matrix method. In torsional vibration geared-rotor and…
Adam L. Kelly, Kathryn Johnston, Kevin Till, A. McAuley et al.
With growing evidence in the field of talent identification in sport, policy makers and practitioners are left with a broad range of theoretical and practical considerations. As sport necessitates answers, and often quickly, creating a list of evidence-informed principles for ethical and athlete-centred talent identification is needed. As such, 56 researchers and practitioners …
Background: Hemorrhoidal disease is a common condition for which several surgical treatment modalities are available, including carbon dioxide laser hemorrhoidectomy. Objective: To evaluate the clinical outcomes and safety of carbon dioxide laser hemorrhoidectomy. Methods: This interventional study included 40 patients with third- or fourth-degree hemorrhoids treated over a six…
Olly Duncan, Marcelo A. Dias, Andrew Alderson, Roderic S. Lakes et al.
Abstract This Roadmap covers the status, current challenges, and new science required to address these challenges, for mechanical metamaterials. This is timely, given the sustained increase in mechanical metamaterials research outputs and patents. Sections are grouped according to anomalous properties. These include auxetic (negative Poisson’s ratio), sub-divided into geometric…
Banditry has become a pervasive form of insecurity across rural Nigeria, undermining agricultural productivity, disrupting trade, and eroding household economic survival. This study examines how rural communities in Kwara State confront violent disruptions through resilience strategies and adaptive economic behaviors. Guided by six research questions and five hypotheses, the st…
Nazratan Naeem, Sean P. Masterson, Arkadiusz S. Slusarczyk, Martha E. Bickford
Abstract Corollary discharge (CD) signals are copies of motor commands that inform the brain of impending movements. Dysfunction in CD has been implicated in a variety of disorders, from schizophrenia to Parkinson’s disease. In the current study, we used intersectional viral tracing techniques, electron microscopy, and dual opsin optogenetics to investigate potential CD circuit…
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