How can you identify proteins from FTIR?
This page summarizes the recurring FTIR evidence reported for proteins, including the most frequent peaks, supporting functional groups, and literature-backed interpretation patterns. It is a structured evidence page, not a claim of automatic single-spectrum certainty.
Backed by 19 cited sources
Ātra atbilde
proteins is usually reported with a recurring pattern of peaks and functional-group evidence. The most useful approach is to cross-check at least two characteristic peaks before treating it as a match, then verify whether the full spectrum still fits the same material family.
Pīķa interpretācija
Iespējamie materiāli / grupas
| Funkcionālā grupa | Pierādījumi |
|---|---|
| Amide | 29 |
| Methacrylate | 11 |
| Acetate | 11 |
| Alkyl C-H | 11 |
| Hydroxyl (O-H) | 9 |
| Methoxy (OCH3) | 8 |
| C-O single bond | 8 |
| Carbonyl (C=O) | 6 |
Spektra loģika
The logic here is evidence aggregation: repeated literature mentions of proteins, repeated peak positions, and repeated functional-group associations. A strong material hypothesis should still be supported by multiple peaks that agree with each other, not by one headline band alone.
Reālās pasaules izmantošana
Šī lapa ir paredzēta polimēru identificēšanai, ienākošo materiālu kvalitātes kontrolei, nezināmas plastmasas analīzei, pārstrādātā satura pārskatam un ar literatūru pamatotai references spektru interpretācijai.
Biežākās kļūdas
- Pārāk agri paziņot par materiāla atbilstību, jo ir viens pazīstams pīķis.
- Ignorējot parauga sagatavošanu, pildvielas, oksidāciju, ūdeni vai piedevas, kas var mainīt šķietamo modeli.
- Izmantojot literatūras pierādījumus, nepārbaudot, vai jūsu pašu paraugu ņemšanas režīms un spektra kvalitāte ir salīdzināmi.
Verifikācijas padoms
Izmantojiet DSC, GC-MS vai TGA, lai apstiprinātu materiāla hipotēzi, ja pīķu modelis ir neskaidrs vai jaukts.
Literatūra aiz šīs lapas
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pārliecība 0,9
proteins
AComDim, a multivariate tool to highlighting impact of agroclimatic factors on Moringa oleifera Lam. leaf’s composition from their FTIR-ATR profiles DOI: 10.1111/j.1745-4557.2008.00218. -
pārliecība 0,9
proteins
Application of Fourier transform infrared spectroscopy with chemometrics on postmortem interval estimation based on pericardial fluids DOI: 10.1038/s41598-017-18228-7 -
pārliecība 0,8
proteins
Ganim 等 - 2008 - Amide I two-dimensional infrared Spectroscopy of p DOI: 10.1021/ar700188nCCC -
pārliecība 0,8
proteins
Application of SPRA Technology for Delivery of Erythropoietin: Stability Evaluation of Conjugated Erythropoietin with Adamantane and in SPRA Inclusion Complex DOI: 10.5812/ijpr-134282. -
pārliecība 0,8
proteins
Balakhnina 等 - 2017 - Low-frequency vibrational spectroscopy of proteins DOI: 10.1117/1.JBO.22.9.091509. -
pārliecība 0,8
proteins
Fiocco 等 - 2021 - Reflection FTIR spectroscopy for the study of hist DOI: 10.1016/j.culher.2019.11.004. -
pārliecība 0,8
proteins
Koliastasi 等 - 2019 - Emulsifiers from Partially Composted Olive Waste DOI: 10.3390/foods8070271 -
pārliecība 0,7
proteins
Investigation on thermallyinduced conformation transition of soy protein film with variabletemperature FTIR spectroscopy DOI: 10.1002/app.35309 -
pārliecība 0,7
proteins
FTIR spectral signature of the effect of cardiotonic steroids with antitumoral properties on a prostate cancer cell line DOI: 10.1016/j.bbadis.2010.07.012 -
pārliecība 0,7
proteins
Physico-chemical and colloidal properties of protein extracted from black soldier fly ( Hermetia illucens ) larvae DOI: 10.1016/j.ijbiomac.2021.07.081
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