Results 51 to 60 of about 18,198 (165)

Fast Neutron Detector Based on Hybrid 2D Perovskite Thin Films

open access: yesAdvanced Functional Materials, EarlyView.
This work presents the direct detection of fast neutrons using flexible hybrid 2D perovskite (PEA2PbBr4) thin‐film detectors. Thanks to their high low‐Z elements content and good charge transport, these materials enable efficient neutron detection. The thin film configuration allowed the operation at low voltage, and offer scalability, flexibility, and
Ilaria Fratelli   +11 more
wiley   +1 more source

Quality assurance program for prototype stereotactic system developed for Neptun 10 PC linac [PDF]

open access: yes, 2005
Background: A prototype stereotactic radiosurgery set was designed and constructed for a Neptun 10 PC linac that is currently being used at Imam Reza hospital in Mashhad.
Bahreyni Toosi, M.H.   +4 more
core  

Harnessing Photo‐Energy Conversion in Nanomaterials for Precision Theranostics

open access: yesAdvanced Materials, EarlyView.
Harnessing photo‐energy conversion in nanomaterials enables precision theranostics through light‐driven mechanisms such as photoluminescence, photothermal, photoelectric, photoacoustic, photo‐triggered surface‐enhanced Raman scattering (SERS), and photodynamic processes. This review explores six fundamental principles of photo‐energy conversion, recent
Jingyu Shi   +4 more
wiley   +1 more source

Measurement of Collimator Scatter Factor for Photon Fields Using Gafchromic EBT2 Film and Ion Chamber [PDF]

open access: yes, 2016
Background and Objective: In radiotherapy, measurement of the output factor in the air is one of the input parameters for Implementation of treatment planning systems and beam modeling.
Asgarian Dehkordy, Zeinab.   +5 more
core  

Vertical Phase Separation in Blended Organic Semiconducting Films and Impact on Their Electrical and Direct X‐Ray Detection Properties

open access: yesAdvanced Electronic Materials, EarlyView.
The composition of blends of 1,4,8,11‐tetramethyl‐6,13‐triethylsilylethynyl pentacene (TMTES) and polystyrene (PS) to be used in Organic Field‐Effect Transistors (OFETs) is optimized to achieve and enhance thin film crystallinity and a reduced charge trap density at the semiconductor/dielectric interface.
Maria Elisabetta Giglio   +11 more
wiley   +1 more source

A nomogram to determine required seed air kerma strength in planar 131 Cesium permanent seed implant brachytherapy [PDF]

open access: yes, 2019
Purpose: Intraoperatively implanted Cesium-131 ( 131 Cs) permanent seed brachytherapy is used to deliver highly localized re-irradiation in recurrent head and neck cancers.
Bar-Ad, Voichita   +4 more
core   +1 more source

Review of the anatomical basis for predicting plutonium alpha particle radiation induced osteogenic cancers

open access: yesThe Anatomical Record, EarlyView.
Abstract Plutonium was discovered and first synthesized in the early 1940's. Several isotopes of plutonium are used in nuclear technologies, 238Pu for heat generation and 239Pu for energy production and weapons. Both isotopes emit alpha particles, which pose a significant radiation hazard when incorporated into the body.
Scott C. Miller
wiley   +1 more source

Bringing Small Devices, Giving Design Advice: Introducing Radiation Protection Practices in Greece via the IAEA's Visiting Professor Program**

open access: yesBerichte zur Wissenschaftsgeschichte, EarlyView.
Abstract This paper examines how an International Atomic Energy Agency (IAEA) expert mission for technical assistance in the late 1950s to Greece was effectively transformed into a mission to achieve the IAEA′s central objective: to consolidate its position as the leading global authority on radiation protection. The study focuses on the work of Alfred
Loukas Freris
wiley   +1 more source

Lead‐free transparent nanocomposite for efficient clinical X‐ray shielding

open access: yesBMEMat, EarlyView.
A lead‐free nanocomposite of LaF3 nanoparticles exhibits a high optical transparency of 86% with a heavy loading of up to 70 wt%, which enables the design of radiation shielding goggles for interventional surgeons in real clinical scenarios. Abstract The increasing use of X‐ray imaging in the medical field has generated a growing need for efficient ...
Xiangzhou Zhang   +8 more
wiley   +1 more source

Nanowire‐Based Flexible Sensors for Wearable Electronics, Brain–Computer Interfaces, and Artificial Skins

open access: yesElectron, EarlyView.
The review systematically examines the potential of nanowires in flexible sensing technologies, addressing their application in wearable electronics, brain–computer interfaces, and electronic skins. It covers the fundamental understanding of nanowire properties, key design principles for high‐performance flexible sensors, and the challenges encountered
Xiaopan Song   +4 more
wiley   +1 more source

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