Results 61 to 70 of about 313,243 (217)

Quantum Phenomena in Molecular and Biological Systems: A Decoherence‐Based Decision Framework With Falsifiable Predictions and a Failure‐Mode Taxonomy

open access: yesAdvanced Physics Research, EarlyView.
A physics‐grounded framework based on decoherence timescales (τ_dec vs τ_func), Markovian validity, and falsifiability criteria is applied across molecular systems to distinguish where quantum effects are necessary, marginal, or irrelevant. The analysis integrates quantum chemistry, biological quantum mechanisms, and quantum computing under a unified ...
Sarfaraz K. Niazi
wiley   +1 more source

Paediatric development of radiopharmaceutical imaging agents and radioligand therapeutics

open access: yesBritish Journal of Clinical Pharmacology, EarlyView.
Abstract This review focuses on the development of radiopharmaceutical imaging agents and radioligand therapeutics for paediatric use. Nuclear medicine plays an important role in the diagnosis and treatment of various childhood conditions, including cancers, infections and brain disorders.
Justin L. Hay   +5 more
wiley   +1 more source

Calibration of a portal imaging device for high-precision dosimetry: a Monte Carlo study [PDF]

open access: yes, 1998
Today electronic portal imaging devices (EPID's) are used primarily to verify patient positioning. They have, however, also the potential as 2D-dosimeters and could be used as such for transit dosimetry or dose reconstruction.
Fix, M   +5 more
core   +1 more source

Tackling cancer stemness with nanotechnology in the era of precision medicine

open access: yesBMEMat, EarlyView.
Precise customization of nanoparticles (NPs) enables active targeting of cancer stem cells (CSCs), thereby improving drug delivery and therapeutic efficacy. NP‐based probing enhances CSC detection through imaging and liquid biopsy, whereas diverse therapeutic payloads improve therapeutic outcomes.
Shaolei Guo   +9 more
wiley   +1 more source

Feasibility Study of Patient Specific Quality Assurance Using Transit Dosimetry Based on Measurement with an Electronic Portal Imaging Device

open access: yes, 2017
Novel radiotherapy methods, including intensity modulated radiotherapy (IMRT), volumetric modulated arc therapy (VMAT) and heavy ion therapy, all of which are more advanced modalities than conventional 3D conformal radiation therapy, have recently been ...
T. Baek, E. Chung, J. Son, M. Yoon
semanticscholar   +1 more source

Flexible Direct‐Conversion X‐Ray Detectors: From Emerging Materials to Conformal Imaging

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This comprehensive review analyzed the performance, challenges, and future directions of four emerging material systems for next‐generation flexible direct‐conversion X‐ray detectors: organic semiconductors, perovskites, metal–organic frameworks, and inorganic metal compounds.
Haipeng Di   +11 more
wiley   +1 more source

Transit dosimetry in 192Ir high dose rate brachytherapy [PDF]

open access: yes, 2010
Background and purpose: Historically HDR brachytherapy treatment planning systems ignore the transit dose in the computation of patient dose. However, the total radiation dose delivered during each treatment cycle is equal to the sum of the static dose
Ade, Nicholas
core  

Enhancing Optogenetics‐Based Cancer Therapy Via Nanotechnology

open access: yesExploration, EarlyView.
Nanotechnology enhances optogenetics‐based cancer therapy through improved delivery systems and non‐invasive optical regulation. It further enables precise and programmable control of optogenetic living therapeutics for localized antitumor responses.
Honggang Shen   +8 more
wiley   +1 more source

A Study of Riders\u27 Noise Exposure on Bay Area Rapid Transit Trains [PDF]

open access: yes, 2011
Excessive noise exposure may present a hazard to hearing, cardiovascular and psychosomatic health. Mass transit systems, such as the Bay Area Rapid Transit (BART) system, are potential sources of excessive noise.
Cynthia Powell   +5 more
core   +2 more sources

Longitudinal Swallowing and Salivary Changes With CLR 131 and Re‐Irradiation in Recurrent Head and Neck Cancer

open access: yesHead &Neck, EarlyView.
ABSTRACT Background Patients with recurrent head and neck cancer (HNC) often present with severe, persistent dysphagia and xerostomia following prior chemoradiation. Although swallowing impairments and salivary dysfunction have been reported in this population, prior longitudinal studies have not examined changes in salivary composition or how these ...
Jenni Wu   +8 more
wiley   +1 more source

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