Amino acid — FTIR absorption peaks and assignments
These are the characteristic FTIR wavenumbers where Amino acid tends to absorb, compiled from published literature and ranked by supporting evidence. Each assignment is traceable to a source (DOI) and cross-validated against our 130,000+ reference spectra and knowledge graph.
Backed by 8 cited sources
Characteristic FTIR peaks for Amino acid
| Nombre d＇onde (cm⁻¹) | Faits à l＇appui | Sources citées | Confiance maximale |
|---|---|---|---|
| 1400 | 6 | 5 | 1,0 |
| 1600 | 4 | 4 | 1,0 |
| 1450 | 4 | 4 | 1,0 |
| 1515 | 4 | 3 | 1,0 |
| 1650 | 3 | 3 | 1,0 |
| 1408 | 3 | 3 | 1,0 |
| 1396 | 3 | 3 | 1,0 |
| 1516 | 3 | 3 | 1,0 |
| 1609 | 3 | 2 | 1,0 |
| 1155 | 2 | 2 | 1,0 |
| 1576 | 2 | 2 | 1,0 |
| 850 | 2 | 2 | 1,0 |
| 1460 | 2 | 2 | 1,0 |
| 1100 | 2 | 2 | 1,0 |
| 1338 | 2 | 2 | 1,0 |
| 1604 | 2 | 2 | 1,0 |
| 1628 | 2 | 2 | 1,0 |
| 3300 | 2 | 2 | 1,0 |
| 1405 | 2 | 2 | 1,0 |
| 1640 | 2 | 2 | 1,0 |
| 1606 | 2 | 2 | 1,0 |
| 3400 | 2 | 2 | 1,0 |
| 1626 | 2 | 2 | 1,0 |
| 1090 | 2 | 2 | 1,0 |
| 1560 | 2 | 2 | 1,0 |
| 1633 | 2 | 2 | 1,0 |
| 1610 | 2 | 2 | 1,0 |
| 1113 | 2 | 1 | 1,0 |
| 1079 | 2 | 1 | 1,0 |
| 1666 | 1 | 1 | 1,0 |
Showing the 30 best-supported peaks of 152 total for Amino acid.
Bibliographie derrière ces attributions
-
1029 cm⁻¹ confiance 1,0
“Earlier studies have established that the FTIR bands stretching in amino acid has also caused a band at 1029 cm-1 [18,19].”
Aziz 等 - 2017 - From Insulating PMMA Polymer to Conjugated Double DOI: 10.3390/polym9110626 -
1610 cm⁻¹ confiance 1,0
“The cm-1 is increasing with increasing temperweak band at 1610 ature and may tentatively be assigned to the amino acid side chain in tyrosine (23).”
Bertram 等 - 2006 - Heat-induced changes in myofibrillar protein struc DOI: 10.1021/jf0514726 -
1234 cm⁻¹ confiance 1,0
“stretching mode of groups of serine, threonine, and tyrosine of proteinEE A comparison of the spectra showed significant changes in AmideIII(NAHbending,CANstretch,CACstretch) 1234 Amide III absorbance throughout the whole range tested, i.e.”
Application of infrared spectroscopy in the identification of Ewing sarcoma: A preliminary report DOI: 10.1016/j.infrared.2017.05.006 -
1607 cm⁻¹ confiance 1,0
“The bands cm-1) originating from the amino acid side chains vibrations are also observed (1607 [21].”
A Preliminary Study of FTIR Spectroscopy as a Potential Non-Invasive Screening Tool for Pediatric Precursor B Lymphoblastic Leukemia DOI: 10.3390/molecules -
3441 cm⁻¹ confiance 1,0
“Regions of approximately 2352-2938 (-C-C2 cm-1 H-) alkyl absorption peaks and approximately 3441 (-N-H-) amino acid absorption peaks were observed.”
Chang 等 - 2017 - Material Characteristics of Hair Cuticles after Ha DOI: 10.18494/SAM.2017.1707 -
1731 cm⁻¹ confiance 1,0
“A band at 1731 represents characteristic of cm-1 α-amino acid hydrochlorides.”
Crystal Growth, Spectral, Optical, Laser damage, Photoconductivity and Dielectric Properties of Semiorganic L-cystine hydrochloride Single Crystal DOI: 10.1016/j.saa.2015.06.113 -
1400 cm⁻¹ confiance 1,0
“II band at 1400 indicates the generation of amino acids β-Carotene confirming Bioaccessibility of in In Vitro Digestion.”
Remodeling of β‑Carotene-Encapsulated Protein-Stabilized Nanoparticles during Gastrointestinal Digestion In Vitro and in Mice DOI: 10.1021/acs.jafc.0c05322 -
2360 cm⁻¹ confiance 1,0
“The medium doublet bands around 2360 revealed the typical S-H stretching of L-cysteine amino acid, which suggested the possible”
Mesoporous magnetite nanoparticles synthesis using the Peltophorum pterocarpum pod extract, their antibacterial efficacy against pathogens and ability to remove a pollutant dye DOI: 10.1016/j.molstruc.2018.10.042
See Amino acid in your own spectrum
Téléchargez votre spectre FTIR et obtenez un rapport d＇interprétation complet — attributions de pics avec citations bibliographiques, correspondances de bibliothèque et une chaîne de preuves avec évaluation de la confiance — en quelques secondes.
Interpréter mon spectre