What absorbs at 1986 cm⁻¹ in an FTIR spectrum?
A band near 1986 cm⁻¹ can point to several functional groups. Below are the most likely assignments, ranked by how much published evidence supports each — every one traceable to literature (DOI) and cross-validated against our 130,000+ reference spectra and knowledge graph.
Backed by 6 cited sources
Penetapan kumpulan berfungsi yang mungkin
| Kumpulan berfungsi | Fakta sokongan | Sumber dipetik | Keyakinan tertinggi |
|---|---|---|---|
| Amide | 5 | 4 | 1.0 |
| Secondary amine | 2 | 2 | 1.0 |
| C n single bond | 2 | 2 | 1.0 |
| Protein beta sheet | 2 | 0 | 1.0 |
| N h | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
| Amino acid | 1 | 1 | 1.0 |
Pemeringkatan mencerminkan bukti literatur terkumpul, bukan satu peraturan berwibawa. Sentiasa sahkan terhadap konteks sampel anda.
Literatur di sebalik penetapan ini
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Amide keyakinan 1.0
“FT-IR cm(cid:1)1) INTRODUCTION contrast, the amide II band (1530-1570 arises mainly from an out of phase combination of N-H Effects of exposure to extremely low frequency inplane bending and C-N stretching vibrations of (ELF) electromagneti”
Ikehara 等 - 2003 - Effects of ELF magnetic field on membrane protein DOI: 10.1002/bem.10120 -
Amino acid keyakinan 1.0
“Krimm S, Bandekar J (1986) Vibrational spectroscopy and conformation of nanocellulose grafted with fluorescent amino acids.”
Belatik 等 - 2012 - Locating the Binding Sites of Pb(II) Ion with Huma DOI: 10.1371/journal.pone.0036723 -
Hydroxyl (O-H) keyakinan 1.0
“Additional absorbance bands consistent with organic components are also observed (Amide I, II and III, CH x, Amide A and OH stretch) (Byler & Susi 1986).”
Growth and development of the barnacle Amphibalanus amphitrite: time and spatially resolved structure and chemistry of the base plate DOI: 10.1080/08927014.2014.930736 -
Amide keyakinan 1.0
“The amide band maximum is I be 1986).”
Haris 等 - 1992 - Potential of 13C and 15N labeling for studying pro DOI: 10.1021/bi00142a016 -
Amide keyakinan 1.0
“The poor intensity of the Amide III band could be due to the loss of triple helix molecules during high temperature extraction of gelatin (Krimm & Bandekar 1986).”
Irfanita 等 - 2022 - Attenuated Total Reflectance-Fourier Transform Inf DOI: 10.21315/tlsr2022.33.2.7 -
Amide keyakinan 1.0
“COOwith or stretching vibration of C=O, bending vibration of N-H coupled with stretching vibration of C-N and stretching vibration of C-N and/or deformation of N-H, respectively (Krimm and Bandekar, 1986;”
Kittiphattanabawon 等 - 2019 - Characteristics of acid and pepsin solubilized col DOI: 10.9755/ejfa.2019.v31.i2.1911
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