125Te NMR spectra were recorded on Bruker MSL-400, Bruker Avance-400, and Bruker Avance-500 (Bruker BioSpin GmbH, Ettlingen, Germany) spectrometers at resonance frequencies 126.24 and 157.81 MHz, respectively. 123Te NMR spectrum was recorded on a Bruker Avance-600 spectrometer at resonance frequency 157.05 MHz. 17O NMR spectra were recorded on a Bruker MSL-400 spectrometer at resonance frequency 54.24 MHz. Chemical shifts were measured using external references: aqueous solution of Te(OH)6 (707.0 ppm relative to Te(CH3)6 [31 (link)]) for 125Te and 123Te and water for 17O.
Msl 400
Manufactured by Bruker
Sourced in Germany
The MSL-400 is a laboratory instrument designed for nuclear magnetic resonance (NMR) spectroscopy. It is capable of performing high-resolution NMR analysis on a variety of samples, including liquids, solids, and semi-solids. The core function of the MSL-400 is to generate a strong, homogeneous magnetic field and detect the electromagnetic signals emitted by the nuclei of the sample, which can be used to obtain detailed information about the chemical structure and composition of the sample.
Automatically generated - may contain errors
Lab products found in correlation
Avance 500, by Bruker (1 mentions)
Avance 600, by Bruker (1 mentions)
Avance 400, by Bruker (1 mentions)
Jem 2100f, by JEOL (1 mentions)
Escalab 250xi spectrometer, by Thermo Fisher Scientific (1 mentions)
Iris intrepid 2 xsp, by Thermo Fisher Scientific (1 mentions)
Spectrum 2 spectrophotometer, by PerkinElmer (1 mentions)
Sdt 650, by TA Instruments (1 mentions)
Vector 22 spectrometer, by Bruker (1 mentions)
4 protocols using msl 400
1
Tellurium and Oxygen NMR Spectroscopic Analysis
2
Comprehensive Material Characterization Protocol
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X-ray powder diffraction
(XRD) measurements were taken using a PAN analytical X-ray diffractometer
(Cu Kα source, λ = 1.54178 Å). X-ray Rietveld refinement
was performed with the FullProf Software package. The scanning electron
microscopy images were obtained via a Carl Zeiss Ultrafield-emission
scanning electron microscopy (FESEM) unit equipped with energy-dispersive
spectroscopy (EDS). The materials’ morphology and microstructure
were examined further using transmission electron microscopy (TEM;
JEOL-JEM-2100F). Fourier transform infrared spectroscopy (FTIR) was
performed with a PerkinElmer (Spectrum 2) spectrophotometer at a resolution
of 4 cm–1 in the scanning range of 400–4000
cm–1. The thermal stabilities of the samples were
determined using the TA Instruments SDT650 thermogravimetric analysis
(TGA) method. N2 adsorption–desorption studies were
performed using the Brunauer–Emmett–Teller (BET) method
via a Quantachrome Nova 2000e BET analyzer. The Co/Ni ratio in the
CoNi-MOF was analyzed by inductively coupled plasma-atomic emission
spectrometry (ICP-AES) using IRIS Intrepid II XSP (Thermo Fisher Scientific).
X-ray photoelectron spectroscopy (XPS) spectra were obtained using
a Thermo Fisher Scientific ESCALAB250Xi spectrometer. 1H NMR and 13C NMR spectra were provided via a Bruker spectrometer
(MSL 400).
(XRD) measurements were taken using a PAN analytical X-ray diffractometer
(Cu Kα source, λ = 1.54178 Å). X-ray Rietveld refinement
was performed with the FullProf Software package. The scanning electron
microscopy images were obtained via a Carl Zeiss Ultrafield-emission
scanning electron microscopy (FESEM) unit equipped with energy-dispersive
spectroscopy (EDS). The materials’ morphology and microstructure
were examined further using transmission electron microscopy (TEM;
JEOL-JEM-2100F). Fourier transform infrared spectroscopy (FTIR) was
performed with a PerkinElmer (Spectrum 2) spectrophotometer at a resolution
of 4 cm–1 in the scanning range of 400–4000
cm–1. The thermal stabilities of the samples were
determined using the TA Instruments SDT650 thermogravimetric analysis
(TGA) method. N2 adsorption–desorption studies were
performed using the Brunauer–Emmett–Teller (BET) method
via a Quantachrome Nova 2000e BET analyzer. The Co/Ni ratio in the
CoNi-MOF was analyzed by inductively coupled plasma-atomic emission
spectrometry (ICP-AES) using IRIS Intrepid II XSP (Thermo Fisher Scientific).
X-ray photoelectron spectroscopy (XPS) spectra were obtained using
a Thermo Fisher Scientific ESCALAB250Xi spectrometer. 1H NMR and 13C NMR spectra were provided via a Bruker spectrometer
(MSL 400).
3
NMR and IR Spectroscopic Characterization
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The NMR spectra were recorded on a Bruker MSL-400 (1H 400 MHz, 31P 161.7 MHz, 13C 100.6 MHz). SiMe4 was used as an internal reference for 1H and 13C NMR chemical shifts, and 85% H3PO4 as an external reference for 31P NMR. All experiments were carried out using standard Bruker pulse programs. The infrared (IR) spectra were recorded on a Bruker Vector-22 spectrometer.
4
NMR Analysis of Fungal Metabolites
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For the purpose of NMR measurements, 24 h old mycelium was collected by vacuum filtration, and washed with modified minimal medium without phosphates and microelements (experimental medium). The amount of 0.6 g of fresh weight (FW) mycelia was suspended in 2 ml of aerated experimental medium, and packed in a 10 mm diameter NMR tubes. Sodium orthovanadate (V5+) was added at the final concentration of 80 µmol/gFW. For the concentration-dependent investigation final amounts of added V+5 were 20, 40, 70 and 80 µmol/gFW; glucose 1 phosphate (G1P), glucose 6 phosphate (G6P), and fructose 6 phosphate (F6P) were added at final concentrations of 24 µmol/g, and 8-Br-cAMP at 80 µmol/gFW. The measurements were performed using Apollo upgrade, Bruker MSL 400 spectrometer operating at 161.978 MHz for 31P. Spectra were accumulated with 14 µs pulse duration (about 45°) and 300 ms recycle time. The assignment of NMR spectra and spectral line intensities evaluation were performed as described previously [25] (link). For 31P NMR analysis of mycelial extracts, the extracts prepared for HPLC experiments were used (without EDTA). SP content was estimated by NTNMR (Tecmag) software, using methylene diphosphonic acid (MDP) signal as an external standard.
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