Functional Group Identification
Functional Group Identification - Related Videos
14:28
Peptide-based Identification of Functional Motifs and their Binding Partners
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Cited by 2 •
2013
Techniques to dissect the mechanisms underlying the secretion of HIV-1 Nef in exosomes are described. Specific short peptides derived from Nef and protein transfection were exploited to determine the structure, function, and binding partners of Nef’s Secretion Modification Region. These procedures have general relevance in many mechanistic studies.
11:39
Identification of Functional Protein Regions Through Chimeric Protein Construction
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2019
Structurally related proteins frequently exert distinct biological functions. The exchange of equivalent regions of these proteins in order to create chimeric proteins constitutes an innovative approach to identify critical protein regions that are responsible for their functional divergence.
14:12
Rodent Identification II
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2015
Source: Kay Stewart, RVT, RLATG, CMAR; Valerie A. Schroeder, RVT, RLATG. University of Notre Dame, IN Animal records must be accurately maintained to ensure that data collection is correct. Records range from maintaining information on cage cards to having a detailed database with all of the relevant information on each animal. The primary component of recordkeeping is the individual identification of research animals. There are a variety of methods suitable for identifying mice and rats. This...
11:09
Rodent Identification I
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2015
Source: Kay Stewart, RVT, RLATG, CMAR; Valerie A. Schroeder, RVT, RLATG. University of Notre Dame, IN A fundamental requirement of biomedical research is the proper identification of research animals. It is essential that the right animal is utilized for procedures and data collection. Laboratory mice and rats can be identified with the following permanent methods: ear tags, ear punch codes, microchip implantation, tail tattoos for adult mice, and toe tattoos for neonates. Temporary methods of...
02:45
Functional Groups
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2020
Functional groups are a group of atoms with characteristic properties, which when linked to the carbon skeleton of a molecule, alter the properties of that molecule. For example, the presence of certain functional groups on a molecule will make them hydrophilic, whereas others will make them hydrophobic. These functional groups are an indispensable part of organic chemistry and important components of biological molecules, such as carbohydrates, proteins, lipids, and nucleic acids. Each...
FAQs
The arrangement of atoms and bonds within a functional group affects properties such as polarity, acidity, and boiling point. Those properties, in turn, help explain how a molecule behaves and which reaction pathways may be possible. Recognizing these structural influences allows chemists to connect an observed property or reaction outcome with a specific part of the molecule.
Each analytical method provides a different type of structural evidence. Infrared, nuclear magnetic resonance, and mass spectra produce characteristic signals that can indicate the presence of particular atom arrangements. Comparing these signals helps chemists interpret an unknown compound or assess whether a synthesized product contains the expected structural features, rather than relying on a single observation.
Chemical tests can support conclusions drawn from infrared, nuclear magnetic resonance, or mass spectra. When several forms of evidence point to the same group, confidence in the assignment increases. This combined approach is especially useful for analyzing unknown compounds and confirming synthesis products, because spectral interpretation and observable chemical behavior provide complementary information.
A practical workflow begins by examining available spectral signals for evidence of characteristic atom arrangements, then comparing the findings with expected groups such as alcohols, carbonyls, amines, or carboxylic acids. Chemical tests can provide additional support. The resulting assignments help relate the unknown structure to its likely polarity, acidity, boiling point, and reactivity.
Chemists apply this analysis when interpreting unknown compounds, confirming products formed during synthesis, studying biological molecules, and choosing suitable reactions. In each case, identifying the relevant groups connects molecular structure with observable behavior. That connection helps determine whether a compound has the expected features and guides decisions about how it may respond in further chemical work.
Recognizing groups such as alcohols, carbonyls, amines, or carboxylic acids provides a structural basis for anticipating chemical reactivity. Because groups are linked to reaction pathways and properties including polarity and acidity, their identification helps chemists select reactions that fit the compound under study. This reasoning supports both laboratory synthesis planning and broader industrial chemical analysis.