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  2. Dye tracing - Wikipedia

    en.wikipedia.org/wiki/Dye_tracing

    Limitations of use in acidic waters; Depending on the environment, water flows possess certain factors that can affect how a dye performs. Natural fluorescence in a water flow can interfere with certain dyes. The presence of organic material, other chemicals, and sunlight can affect the intensity of dyes.

  3. Flow tracer - Wikipedia

    en.wikipedia.org/wiki/Flow_tracer

    A flow tracer is any fluid property used to track the flow velocity (i.e., flow magnitude and direction) and circulation patterns. Tracers can be chemical properties, such as radioactive material , or chemical compounds, physical properties, such as density, temperature, salinity, or dyes, and can be natural or artificially induced.

  4. Gel electrophoresis of proteins - Wikipedia

    en.wikipedia.org/wiki/Gel_electrophoresis_of...

    A very widespread discontinuous buffer system is the tris-glycine or "Laemmli" system that stacks at a pH of 6.8 and resolves at a pH of ~8.3-9.0. A drawback of this system is that these pH values may promote disulfide bond formation between cysteine residues in the proteins because the pKa of cysteine ranges from 8-9 and because reducing agent ...

  5. Hemodynamics - Wikipedia

    en.wikipedia.org/wiki/Hemodynamics

    Often expressed in cm/s. This value is inversely related to the total cross-sectional area of the blood vessel and also differs per cross-section, because in normal condition the blood flow has laminar characteristics. For this reason, the blood flow velocity is the fastest in the middle of the vessel and slowest at the vessel wall.

  6. Radioactive tracer - Wikipedia

    en.wikipedia.org/wiki/Radioactive_tracer

    A radioactive tracer can also be used to track the distribution of a substance within a natural system such as a cell or tissue, [1] or as a flow tracer to track fluid flow. Radioactive tracers are also used to determine the location of fractures created by hydraulic fracturing in natural gas production. [ 2 ]

  7. How Iga Swiatek explained away doping case and ... - AOL

    www.aol.com/news/iga-swiatek-explained-away...

    The ITIA announced on Thursday that Swiatek had accepted a one-month suspension after testing positive for the prohibited substance trimetazidine (TMZ) - a medication used to treat heart ...

  8. Bloodstain pattern analysis - Wikipedia

    en.wikipedia.org/wiki/Bloodstain_pattern_analysis

    Bloodstain pattern analysis has been used informally for centuries, but the first modern study of blood stains was in 1895. Dr. Eduard Piotrowski of the University of Kraków published a paper titled "On the formation, form, direction, and spreading of blood stains after blunt trauma to the head."

  9. Why the stock market crushed expectations in 2024 - AOL

    www.aol.com/why-stock-market-crushed...

    They can help boost corporate profits and improve dynamics related to the traditional discounted cash-flow valuation model used on Wall Street. The presidential election is over.