The technique where mass spectrometry is applied to study proteins is known as Protein mass spectrometry. There are two steps used for characterizing proteins: In the first step, proteins are ionized by electrospray ionization (ESI) or matrix-assisted laser desorption/ionization (MALDI). In the second, proteins are introduced to a mass analyzer and enzymatically digested into smaller peptides using a protease. At the end peptides are introduced into the mass spectrometer and identified by peptide mass fingerprinting or tandem mass spectrometry.
High-impact journals are those considered to be highly influential in their respective fields. The impact factor of journal provides quantitative assessment tool for grading, evaluating, sorting and comparing journals of similar kind. It reflects the average number of citations to recent articles published in science and social science journals in a particular year or period, and is frequently used as a proxy for the relative importance of a journal within its field. It is first devised by Eugene Garfield, the founder of the Institute for Scientific Information. The impact factor of a journal is evaluated by dividing the number of current year citations to the source items published in that journal during the previous two years.
Last date updated on September, 2024
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