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Updated: May 30, 2025

Quantitative Optical Microscopy: Measurement of Cellular Biophysical Features with a Standard Optical Microscope
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在MIRD小册子第1号. 32:用于分辨率表征和特定形状部分体积校正的MIRD恢复系数模型

Harry Marquis1, C Ross Schmidtlein2, Robin de Nijs3

  • 1Department of Medical Physics, Memorial Sloan Kettering Cancer Center, New York, New York; marquish@mskcc.org.

Journal of nuclear medicine : official publication, Society of Nuclear Medicine
|January 30, 2025
PubMed
概括

这项研究引入了新的模型,以改善排放断层扫描中的活性量化,这对于精确的放射性药物治疗剂量测量至关重要. 这些特定形状的部分体积校正方法显著减少错误,特别是对于小或非球形目标.

关键词:
在这里,PET是PET.斯佩克特 (Spectre) 是一个运动场.剂量测量方法 剂量测量方法部分体积校正部分体积校正部分体积效应的部分体积效应.恢复系数 恢复系数解决方案的表征 决议的表征

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NMR Spectrometers: Resolution and Error Correction01:14

NMR Spectrometers: Resolution and Error Correction

When magnetic nuclei in a sample achieve resonance and undergo relaxation, the signal detected in NMR is an approximately exponential free induction decay. Fourier transform of an exponential decay yields a Lorentzian peak in the frequency domain. Lorentzian peaks in an NMR spectrum are defined by their amplitude, full width at half maximum, and position, where the peak width is governed by the spin-spin relaxation time alone. In real experiments, however, the applied magnetic field is rendered...
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