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Donald Herman Voet (November 29, 1938 – April 11, 2023) was an American biochemist who was emeritus associate professor of chemistry at the University of Pennsylvania. ...
The school's manual dexterity training program also contributed to Cushing's future success as a surgeon. [4] He graduated with an B.A. degree in 1891 from Yale University, where he was a member of Scroll and Key and Delta Kappa Epsilon (Phi chapter). He studied medicine at Harvard Medical School and earned his medical degree in 1895.
X-ray: uses X-rays to produce images of structures within the body; video link: Contrast media for X-rays: to provide a high contrast image of the details of the viscera under study; e.g. salts of heavy metals, gas like air, radio-opaque dyes, organic iodides, etc. Echocardiography machine: sonography of the heart is done here to know its ...
Spectral imaging is an umbrella term for energy-resolved X-ray imaging in medicine. [1] The technique makes use of the energy dependence of X-ray attenuation to either increase the contrast-to-noise ratio, or to provide quantitative image data and reduce image artefacts by so-called material decomposition.
X-ray reflectivity (sometimes known as X-ray specular reflectivity, X-ray reflectometry, or XRR) is a surface-sensitive analytical technique used in chemistry, physics, and materials science to characterize surfaces, thin films and multilayers.
Eddy Clifford Jerman (November 21, 1865 – September 13, 1936) was an American inventor and an early expert in the techniques of medical radiography.In the years that followed the discovery of X-rays, Jerman was one of the first people to focus on the details that created quality X-ray images, such as exposure and positioning.
The Siegbahn notation is used in X-ray spectroscopy to name the spectral lines that are characteristic to elements. It was introduced by Manne Siegbahn.. The characteristic lines in X-ray emission spectra correspond to atomic electronic transitions where an electron jumps down to a vacancy in one of the inner shells of an atom.
After evaluating various γ-emitters for their study, Pound and Rebka chose to use 57 Fe because it does not require cryogenic cooling to exhibit recoil-free emission, has a relatively low internal conversion coefficient [note 2] so that it is relatively free of competing X-ray emissions that would have been difficult to distinguish from the 14 ...