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Updated: Jun 1, 2025

Use of a Linear Accelerator for Conducting In Vitro Radiobiology Experiments
06:08

Use of a Linear Accelerator for Conducting In Vitro Radiobiology Experiments

Published on: May 26, 2019

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全球线性加速器的要求和个性化的国家建议:一个横截面,基于人口的研究

Fabio Y Moraes1, Andre G Gouveia2, Vanessa Freitas Bratti3

  • 1Department of Oncology, Queen's University, Kingston, ON, Canada; Division of Cancer Care and Epidemiology, Cancer Research Institute, Queen's University, Kingston, ON, Canada.

The Lancet. Oncology
|January 20, 2025
PubMed
概括

线性加速器短缺指数 (LSI) 揭示了全球辐射疗法短缺,特别是在低收入国家. 迫切需要投资来解决这些差异,并满足到2045年的未来线性加速器 (LINAC) 需求.

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Visualization of Intensity Levels to Reduce the Gap Between Self-Reported and Directly Measured Physical Activity

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相关概念视频

Longitudinal Research02:20

Longitudinal Research

Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
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Longitudinal Studies01:26

Longitudinal Studies

Longitudinal studies are also widely used in other medical and social science fields. For instance, in cardiovascular research, they can monitor patients' health over decades to identify risk factors for heart disease, such as high cholesterol or smoking, and evaluate the long-term effectiveness of preventive measures. Similarly, in mental health studies, researchers might follow individuals from adolescence into adulthood to understand the development and progression of conditions like...
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Genome-wide Association Studies-GWAS01:11

Genome-wide Association Studies-GWAS

Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
GWAS does not require the identification of the target gene involved in...
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Cross-Sectional Research01:50

Cross-Sectional Research

In cross-sectional research, a researcher compares multiple segments of the population at the same time. If they were interested in people's dietary habits, the researcher might directly compare different groups of people by age. Instead of following a group of people for 20 years to see how their dietary habits changed from decade to decade, the researcher would study a group of 20-year-old individuals and compare them to a group of 30-year-old individuals and a group of 40-year-old...
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