The 1H NMR spectra of AAPS and the AAPS-iron(III) complex were recorded in pure D2O (Cambridge Isotope Laboratory, Inc., USA) and at room temperature using a Bruker Advance 600 MHz NMR spectrometer (Bruker, Germany). 500 and 1000 scans were used for AAPS and the AAPS-iron(III) complex, respectively.
Advance 600 mhz nmr spectrometer
Manufactured by Bruker
Sourced in United States
The Advance 600 MHz NMR spectrometer is a high-resolution nuclear magnetic resonance (NMR) instrument designed for analytical applications. It operates at a frequency of 600 MHz, providing high-quality spectral data for the identification and structural analysis of chemical compounds.
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Lab products found in correlation
Topsin software, by Bruker (1 mentions)
Dension icon, by Bruker (1 mentions)
D8 focus diffractometer, by Bruker (1 mentions)
Nicolet is20 ftir spectrometer, by Thermo Fisher Scientific (1 mentions)
S 4800, by Hitachi (1 mentions)
J 815, by Jasco (1 mentions)
1.7 mm cryogenic probe, by Bruker (1 mentions)
Zgesgp pulse program, by Bruker (1 mentions)
7 protocols using advance 600 mhz nmr spectrometer
1
NMR Spectroscopy of AAPS and Iron(III) Complex
2
NMR Analysis of HopZ1a Protein
3
Structural Analysis of Organic Compound
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1H-NMR spectra, correlation spectroscopy (COSY), selective total correlation spectroscopy (sel. TOCSY), nuclear Overhauser effect spectroscopy (NOESY), heteronuclear single quantum coherence (HSQC) and heteronuclear multi bond correlation (HMBC) spectra were obtained using a Bruker Advance 600 MHz NMR spectrometer with a 5 mm broadband inverse probe. Chemical shifts (δ) are in part per million (ppm), coupling constant are reported in hertz (Hz). Splitting patterns are represented as follow: singlet (s), doublet (d), triplet (t), quartet (q), double doublet (dd), quintet (qnt), multiplet (m), and broad singlet (bs).
1H NMR (600 Hz, CD3CN), δ 6.25 (s, 1H), 6.24 (s, 1H), 6.16 (s, 1H), 4.72 (m, 1H), 4.64 (m, 1H), 4.12 (d, j = 5.43 Hz, 1H), 3.23 (dd, j = 10.90 Hz, 5.43 Hz, 1H), 2.89 (bs, 1H), 2.47 (t, j = 7.73 Hz, 2H), 1.91 (m, 1H), 1.81–1.73 (m, 4H), 1.65 (m, 1H), 1.59–1.48 (m, 4H), 1.37–1.23 (m, 7H), 0.89 (t, j = 7.12 Hz, 3H).
1H NMR (600 Hz, CD3CN), δ 6.25 (s, 1H), 6.24 (s, 1H), 6.16 (s, 1H), 4.72 (m, 1H), 4.64 (m, 1H), 4.12 (d, j = 5.43 Hz, 1H), 3.23 (dd, j = 10.90 Hz, 5.43 Hz, 1H), 2.89 (bs, 1H), 2.47 (t, j = 7.73 Hz, 2H), 1.91 (m, 1H), 1.81–1.73 (m, 4H), 1.65 (m, 1H), 1.59–1.48 (m, 4H), 1.37–1.23 (m, 7H), 0.89 (t, j = 7.12 Hz, 3H).
4
Characterization of Graphene Oxide Membranes
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Fourier Transform Infrared (FTIR) spectra was recorded on a Thermo Scientific Nicolet IS20 FTIR Spectrometer, using KBr as a reference. X‐ray photoelectron spectroscopy (XPS) experiments was performed in an ultrahigh‐vacuum system (Thermo escalab 250Xi), and high‐resolution spectra were obtained by curve fitting of the synthetic peak components using the Avantage software. The surface topography images were obtained by an atomic force microscope (AFM, Bruker Dension Icon). The microstructure of GO membranes was characterized using a field‐emission scanning electron microscope (HITACHI S‐4800). The X‐ray diffraction (XRD) of samples were recorded using a Bruker D8 focus diffractometer using Cu Kα radiation (λ = 1.5406 Å). 1H NMR spectroscopy was recorded on a Bruker Advance 600 MHz NMR spectrometer using chloroform‐d as the solvent. High performance liquid chromatography (HPLC) was accomplished on a ThermoFisher vanquish HPLC System, using a Diacel Corporation Inc. Chiralpak IF‐3 column (3 µm particle size, 4.6 mm I.D. × 150 mm). Circular dichroism spectroscopy (CD) characterization was performed using a CD spectrometer (J‐815, JASCO, Japan).
5
NMR and Microscopy Characterization
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1D and 2D NMR spectra were recorded on a JEOLECZ-500R NMR spectrometer (Tokyo, Japan) or on a Bruker Advance 600 MHz NMR spectrometer (Billerica, MA, USA) using tetramethylsilane as an internal standard. For all the compounds, regular 8
Hz optimized HMBC were used although some were also measured using a 2 Hz Ceramiales) (Meneses, 1995) . The light microscope employed was an Evos XL Core
Imaging System.
Hz optimized HMBC were used although some were also measured using a 2 Hz Ceramiales) (Meneses, 1995) . The light microscope employed was an Evos XL Core
Imaging System.
6
NMR Characterization of Purified Metabolite
7
NMR and HR-MS Characterization
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NMR ( 1 H, 13 C. HMQC, HMBC) and HR-MS were performed as previously described. 7, 8 The pure compound was dissolved in DMSO-D6 with 0.05% v/v TMS (Tetramethylsilane). NMR spectra were acquired with a Bruker Advance 600 MHz NMR spectrometer in University of Houston. ESI-MS Mass spectra were recorded with the LTQ-Orbitrap system, Rice University.
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