Milton L. Lee

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Milton L. Lee is the H. Tracy Hall Professor of Chemistry at Brigham Young University (BYU).

Brigham Young University private research university in Provo, Utah

Brigham Young University is a private research university located in Provo, Utah and owned by The Church of Jesus Christ of Latter-day Saints. The university is run under the auspices of its parent-organization, the Church Educational System (CES), and is classified among "Doctoral Universities: High Research Activity" with "more selective, lower transfer-in" admissions. The university's primary emphasis is on undergraduate education in 179 majors, but it also has 62 master's and 26 doctoral degree programs. The university also administers two satellite campuses, one in Jerusalem and one in Salt Lake City.

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Education

Lee received a B.A. degree in Chemistry from the University of Utah in 1971 and a Ph.D. in Analytical Chemistry from Indiana University in 1975, after which he spent one year (1975–76) at the Massachusetts Institute of Technology as a postdoctoral research associate. Upon leaving MIT, he accepted a faculty position in the Chemistry Department at Brigham Young University, where he is the H. Tracy Hall Professor of Chemistry. [1] [2]

University of Utah public coeducational space-grant research university in Salt Lake City, Utah, United States

The University of Utah is a public research university in Salt Lake City, Utah, United States. As the state's flagship university, it offers more than 100 undergraduate majors and more than 92 graduate degree programs. The university is classified among "Doctoral Universities – Very High Research Activity" with "selective, higher transfer-in" admissions. Graduate studies include the S.J. Quinney College of Law and the School of Medicine, Utah's first medical school. As of Fall 2018, there are 24,735 undergraduate students and 8,251 graduate students, for an enrollment total of 32,994.

Indiana University university system, Indiana, U.S.

Indiana University (IU) is a multi-campus public university system in the state of Indiana, United States. Indiana University has a combined student body of more than 110,000 students, which includes approximately 46,000 students enrolled at the Indiana University Bloomington campus.

Massachusetts Institute of Technology University in Massachusetts

Massachusetts Institute of Technology (MIT) is a private research university in Cambridge, Massachusetts. The Institute is a land-grant, sea-grant, and space-grant university, with an urban campus that extends more than a mile (1.6 km) alongside the Charles River. The Institute also encompasses a number of major off-campus facilities such as the MIT Lincoln Laboratory, the Bates Center, and the Haystack Observatory, as well as affiliated laboratories such as the Broad and Whitehead Institutes. Founded in 1861 in response to the increasing industrialization of the United States, MIT adopted a European polytechnic university model and stressed laboratory instruction in applied science and engineering. It has since played a key role in the development of many aspects of modern science, engineering, mathematics, and technology, and is widely known for its innovation and academic strength, making it one of the most prestigious institutions of higher learning in the world.

Achievements

Lee is best known for his research in capillary separations and mass spectrometry detection. He is an author or co-author of over 550 scientific publications. Among the scientific awards that he has received for his achievements in research and professional activities are the M.S. Tswett Chromatography Medal (1984), the Keene P. Dimick Chromatography Award (1988), the American Chemical Society Award in Chromatography (1988), the Russian Tswett Chromatography Medal (1992), the Martin Gold Medal (1996), the Latin-American Chromatography Congress Medal (1998), the M.J.E. Golay Award (1998), the American Chemical Society Award in Chemical Instrumentation (1998), an honorary doctorate from Uppsala University in Sweden (1998), the Dal Nogare Award (1999), the Eastern Analytical Symposium Award for Achievements in Separation Science (1999), the California Separation Science Society Award (2005), the Pittsburgh Analytical Chemistry Award (2008), R&D 100 Awards (1993, 2008), Eastern Analytical Symposium Award for Outstanding Achievements in the Fields of Analytical Chemistry (2008), the American Chemical Society Award in Separations Science and Technology (2012), and the LC/GC Europe Lifetime Achievement Award (2014).

Capillary action ability of a liquid to flow in narrow spaces

Capillary action is the ability of a liquid to flow in narrow spaces without the assistance of, or even in opposition to, external forces like gravity. The effect can be seen in the drawing up of liquids between the hairs of a paint-brush, in a thin tube, in porous materials such as paper and plaster, in some non-porous materials such as sand and liquefied carbon fiber, or in a biological cell. It occurs because of intermolecular forces between the liquid and surrounding solid surfaces. If the diameter of the tube is sufficiently small, then the combination of surface tension and adhesive forces between the liquid and container wall act to propel the liquid.

Mass spectrometry (MS) is an analytical technique that measures the mass-to-charge ratio of ions. The results are typically presented as a mass spectrum, a plot of intensity as a function of the mass-to-charge ratio. Mass spectrometry is used in many different fields and is applied to pure samples as well as complex mixtures.

American Chemical Society American scientific society

The American Chemical Society (ACS) is a scientific society based in the United States that supports scientific inquiry in the field of chemistry. Founded in 1876 at New York University, the ACS currently has nearly 157,000 members at all degree levels and in all fields of chemistry, chemical engineering, and related fields. It is the world's largest scientific society by membership. The ACS is a 501(c)(3) non-profit organization and holds a congressional charter under Title 36 of the United States Code. Its headquarters are located in Washington, D.C., and it has a large concentration of staff in Columbus, Ohio.

He is also an entrepreneur and has been involved in transferring technology from his university research laboratory to the private sector. In 1984, he co-founded Lee Scientific to develop and market supercritical fluid chromatographic instrumentation and, in 1991, he co-founded Sensar Corporation to develop and market unique time-of-flight mass spectrometry instrumentation. He is a co-founder of Torion Technologies, which markets a hand-portable gas chromatography-mass spectrometry system. He is listed as a co-inventor on twenty issued patents. [3]

Supercritical fluid chromatography (SFC) is a form of normal phase chromatography that uses a supercritical fluid such as carbon dioxide as the mobile phase. It is used for the analysis and purification of low to moderate molecular weight, thermally labile molecules and can also be used for the separation of chiral compounds. Principles are similar to those of high performance liquid chromatography (HPLC), however SFC typically utilizes carbon dioxide as the mobile phase; therefore the entire chromatographic flow path must be pressurized. Because the supercritical phase represents a state in which liquid and gas properties converge, supercritical fluid chromatography is sometimes called convergence chromatography.

Time-of-flight mass spectrometry (TOFMS) is a method of mass spectrometry in which an ion's mass-to-charge ratio is determined via a time of flight measurement. Ions are accelerated by an electric field of known strength. This acceleration results in an ion having the same kinetic energy as any other ion that has the same charge. The velocity of the ion depends on the mass-to-charge ratio. The time that it subsequently takes for the ion to reach a detector at a known distance is measured. This time will depend on the velocity of the ion, and therefore is a measure of its mass-to-charge ratio. From this ratio and known experimental parameters, one can identify the ion.

Gas chromatography–mass spectrometry analytical method

Gas chromatography–mass spectrometry (GC-MS) is an analytical method that combines the features of gas-chromatography and mass spectrometry to identify different substances within a test sample. Applications of GC-MS include drug detection, fire investigation, environmental analysis, explosives investigation, and identification of unknown samples, including that of material samples obtained from planet Mars during probe missions as early as the 1970s. GC-MS can also be used in airport security to detect substances in luggage or on human beings. Additionally, it can identify trace elements in materials that were previously thought to have disintegrated beyond identification. Like liquid chromatography–mass spectrometry, it allows analysis and detection even of tiny amounts of a substance.

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References

  1. "Archived copy". Archived from the original on 2014-01-31. Retrieved 2014-02-06.CS1 maint: archived copy as title (link)
  2. Meurant, Gerard (2001). Chromatography A Century of Discovery 1900-2000. Elsevier. ISBN   9780080476506.
  3. "Milton L. Lee - FairMormon".