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A kymograph (from Greek κῦμα, swell or wave + γραφή, writing; also called a kymographion) is an analog device that draws a graphical representation of spatial position over time. The graphical representation is a graph in which the y axis shows position and the x axis shows time.
Recording kymograph: historically, used in human or animal experiments to measure and record data Long extension kymograph: historically, used in or human animal experiments to measure and record data Surface plasmon resonance: Label-free detection of molecule binding. Used to determine kinetic constants of the interaction (k a, k d, K D). Can ...
Palmer manufactured instruments like the kymograph, invented by the German physiologist Carl Ludwig in 1847, the Stromuhr (another design by Ludwig) for measuring the rate of bloodflow and a 'dotting machine', designed by William McDougall to measure and record levels of fatigue. [2]
Kymograph, cased, Europe, 1880-1930 Washburn performed the experiment by fasting for several hours prior to each session, allowing his stomach to become empty and more likely to contract. After swallowing the balloon, which reached down into his stomach through the esophagus, Washburn had to sit still for prolonged periods while the pressure ...
Videokymography is a high-speed medical imaging method to visualize the human vocal fold vibration dynamics. It was invented by Jan G. Švec under the guidance of Harm K. Schutte.
Depth-kymography is the 3D display of the human vocal fold vibrations by measuring their vertical and horizontal movements simultaneously, using a specially designed 3D endoscope.
Carl Friedrich Wilhelm Ludwig (German: [ˈluːtvɪç]; 29 December 1816 – 23 April 1895) was a German physician and physiologist.His work as both a researcher and teacher had a major influence on the understanding, methods and apparatus used in almost all branches of physiology.
1866 Henry Hyde Salter (1823-1871) added a kymograph to the spirometer in order to record time while obtaining air volumes. 1879 Gad J. published a paper entitled "Pneumatograph" that described a machine that allowed the recording of lung volume changes.