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Assessment of scattered and leakage radiation from ultra-portable X-ray systems in chest imaging: An independent study.
PLOS Glob Public Health
January 2025
Médecins Sans Frontières, International, Geneva, Switzerland.
Ultraportable (UP) X-ray devices are ideal to use in community-based settings, particularly for chest X-ray (CXR) screening of tuberculosis (TB). Unfortunately, there is insufficient guidance on the radiation safety of these devices. This study aims to determine the radiation dose by UP X-ray devices to both the public and radiographers compared to international dose limits.
View Article and Find Full Text PDFEvaluating Large Language Models for Automated CPT Code Prediction in Endovascular Neurosurgery.
J Med Syst
January 2025
Department of Neurological Surgery, Thomas Jefferson University, Philadelphia, PA, USA.
Large language models (LLMs) have been utilized to automate tasks like writing discharge summaries and operative reports in neurosurgery. The present study evaluates their ability to identify current procedural terminology (CPT) codes from operative reports. Three LLMs (ChatGPT 4.
View Article and Find Full Text PDFThere remains a scarcity of studies to evaluate the treatment effect of electroconvulsive therapy (ECT). Functional near-infrared spectroscopy (fNIRS) offers a cost-effective method to measure cerebral hemodynamics. This study used fNIRS to evaluate the effect of ECT in patients suffering from schizophrenia or bipolar disorder (manic phase).
View Article and Find Full Text PDFResonant Tunneling Nanostructures: Eliminating Current Saturation on Negative Differential Conductivity Region in Compact Dissipative Simulations.
Nanomaterials (Basel)
January 2025
Research Institute of Radio Electronics and Laser Technology of Bauman Moscow State Technical University, 105005 Moscow, Russia.
A solution to the problem of resonant tunneling current saturation is proposed. This problem does not allow, within the traditional compact models, a correct qualitative and quantitative analysis to be carried out of the volt-ampere characteristics of double-barrier heterostructures. The reason for this problem is the asymptotic behavior of the function describing the structure transparency, so a non-saturating compact model was proposed to solve the problem of current transfer analysis in the region of negative differential conductivity.
View Article and Find Full Text PDFTowards Secure Internet of Things: A Coercion-Resistant Attribute-Based Encryption Scheme with Policy Revocation.
Entropy (Basel)
January 2025
School of Computer Science, Shaanxi Normal University, Xi'an 710062, China.
With the development and application of the Internet of Things (IoT), the volume of data generated daily by IoT devices is growing exponentially. These IoT devices, such as smart wearable devices, produce data containing sensitive personal information. However, since IoT devices and users often operate in untrusted external environments, their encrypted data remain vulnerable to potential privacy leaks and security threats from malicious coercion.
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