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   Articles with "size specific" as a keyword



Estimating size specific dose estimate from computed tomography radiograph localizer with radiation risk assessment.

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recommendations! Published in 2023 at "Journal of applied clinical medical physics"

DOI: 10.1002/acm2.13989

Abstract: Abstract Background Quantifying radiation burden is necessary for optimizing imaging protocols. The normalized dose coefficient (NDC) is determined from the water‐equivalent diameter (WED) and is used to scale the CTDIvol based on body habitus to… read more here.

Keywords: size specific; ssde; risk; radiation ... See more keywords

Cavitation-on-a-Chip Enabled Size-Specific Liposomal Drugs for Selective Pharmacokinetics and Pharmacodynamics.

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recommendations! Published in 2024 at "Nano letters"

DOI: 10.1021/acs.nanolett.4c02114

Abstract: The size of liposomal drugs has been demonstrated to strongly correlate with their pharmacokinetics and pharmacodynamics. While the microfluidic method successfully achieves the production of liposomes with well-controlled sizes across various buffer/lipid flow rate ratio… read more here.

Keywords: cavitation chip; size; size specific; pharmacokinetics pharmacodynamics ... See more keywords

A practical slice averaged image method for precise CT size specific dose estimates

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recommendations! Published in 2025 at "Scientific Reports"

DOI: 10.1038/s41598-025-27035-4

Abstract: Computed tomography (CT) is a widely used diagnostic tool, but variations in patient anatomy make accurate radiation dose estimation challenging. While size-specific dose estimates (SSDE) can serve as a more effective tool for dose prediction… read more here.

Keywords: dose; image; specific dose; size specific ... See more keywords

An integrated multimethod approach for size-specific assessment of potentially toxic element adsorption onto micro- and nanoplastics: implications for environmental risk.

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recommendations! Published in 2025 at "Nanoscale"

DOI: 10.1039/d5nr00353a

Abstract: Micro- and nanoscale plastics (MnPs), arising from the environmental degradation of plastic waste, pose significant environmental and health risks as carriers for potentially toxic element (PTE) metals. This study employs asymmetrical flow field-flow fractionation (AF4)… read more here.

Keywords: potentially toxic; size; adsorption; adsorption onto ... See more keywords

Nanoparticle size-specific actin rearrangement and barrier dysfunction of endothelial cells

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recommendations! Published in 2017 at "Nanotoxicology"

DOI: 10.1080/17435390.2017.1371349

Abstract: Abstract In this work, we evaluated the impact of gold nanoparticles on endothelial cell behavior and function beyond the influence on cell viability. Five types of gold nanoparticles were studied: 5 nm and 20 nm bare gold… read more here.

Keywords: size specific; barrier; gold nanoparticles; gold ... See more keywords

Development of size-specific dose estimates for common computed tomography examinations: a study in Ghana

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recommendations! Published in 2023 at "Journal of Radiological Protection"

DOI: 10.1088/1361-6498/acb5aa

Abstract: This study determined the size-specific dose estimate (SSDE) of computed tomography (CT) examinations and derived mathematical expressions for dose output estimation and optimization in a teaching hospital in Ghana. Demographic and scanner output indices, including… read more here.

Keywords: size specific; abp examinations; mgy; chest abp ... See more keywords

The determination of coefficients for size specific effective dose for adult and pediatric patients undergoing routine computed tomography examinations

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recommendations! Published in 2024 at "Journal of Radiological Protection"

DOI: 10.1088/1361-6498/ad6faa

Abstract: The effective dose resulting from computed tomography (CT) scans provides an assessment of the risk associated with stochastic effects but does not account for the patient’s size. Advances in Monte Carlo simulations offer the potential… read more here.

Keywords: size; size specific; adult pediatric; specific effective ... See more keywords

Size-Specific Dose Estimates in Fetal Computed Tomography.

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recommendations! Published in 2022 at "Radiation protection dosimetry"

DOI: 10.1093/rpd/ncac045

Abstract: During fetal computed tomography (CT) imaging, because of differences in the pregnancy period and scanning conditions, different doses of radiation are absorbed by the fetus. We propose a correction coefficient for determining the fetal size-specific… read more here.

Keywords: size specific; computed tomography; dose; fetal computed ... See more keywords

Factors influencing size-specific dose estimates of selected computed tomography protocols at two clinical practices in South Africa.

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recommendations! Published in 2023 at "Radiation protection dosimetry"

DOI: 10.1093/rpd/ncad059

Abstract: The study aimed to determine the factors that impact the size-specific dose estimate (SSDE) for computed tomography (CT) examinations of the chest-abdomen-pelvis and abdomen-pelvis protocols in two clinical radiology practices and evaluate the image quality… read more here.

Keywords: size specific; specific dose; image quality; image ... See more keywords

From age-specific to size-specific dose protocol for paediatric head computed tomography: a simple practical strategy for necessity assessment and parameter setting.

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recommendations! Published in 2024 at "Radiation protection dosimetry"

DOI: 10.1093/rpd/ncae202

Abstract: This study proposes a practical approach to assessing the need for and determining the transitioning parameters from age-specific to size-specific dose protocols in paediatric head computed tomography examinations. It was designed to begin with the… read more here.

Keywords: age; specific dose; size specific; size ... See more keywords

SIMPLE METHOD OF SIZE-SPECIFIC DOSE ESTIMATES CALCULATION FROM PATIENT WEIGHT ON COMPUTED TOMOGRAPHY

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recommendations! Published in 2018 at "Radiation Protection Dosimetry"

DOI: 10.1093/rpd/ncx100

Abstract: The purpose of this study is to develop a new and simple methodology for calculating mean size-specific dose estimates (SSDE) over the entire scan range (mSSDE) from weight and volume CT dose index (CTDIvol). We… read more here.

Keywords: size specific; weight; dose estimates; specific dose ... See more keywords