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Inova as 400 mhz nmr spectrometer

Manufactured by Agilent Technologies
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Sourced in United States

The Inova AS 400 MHz NMR spectrometer is a nuclear magnetic resonance (NMR) instrument designed for analytical chemistry applications. It operates at a frequency of 400 MHz and is capable of performing various NMR experiments to identify and characterize chemical compounds.

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Inova 400 MHz NMR spectrometer Inova 400 MHz NMR INOVA 400 NMR spectrometer Inova 400 MHz spectrometer AS-400 (400 MHz) spectrometer 400 MHz NMR spectrometer INOVA 400 MHz Inova NMR spectrometer Inova 400 spectrometer 400 MHz NMR

2 protocols using inova as 400 mhz nmr spectrometer

1

NMR Characterization of Resveratrol Glucosides

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The 1H and 13C NMR spectra of purified resveratrol glucosides were obtained with a Varian Inova AS 400 MHz NMR spectrometer (Varian, USA). The sample was dissolved in DMSO-d6 at 24°C with tetramethylsilane as the chemical shift reference.
Moon K., Lee S., Park H, & Cha J. (2021). Enzymatic Synthesis of Resveratrol α-Glucoside by Amylosucrase of Deinococcus geothermalis. Journal of Microbiology and Biotechnology, 31(12), 1692-1700.
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2

NMR Analysis of Aesculetin and Glycoside

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Approximately, 5.5 mg of each aesculetin and purified aesculetin glycoside were dissolved in 0.5 ml of pure deuterated methanol (CD 3 OD) and placed in 5 mm NMR tubes. 1 H and 13 C NMR spectra of aesculetin and purified aesculetin glycosides were obtained using the Varian Inova AS 400 MHz NMR spectrometer (Varian, Palo Alto, CA). The bond between aesculetin and glucose in aesculetin glycoside was confirmed by examining the heteronuclear multiple bond correlation (HMBC) spectrum. The sample was dissolved in DMSO-d 6 at 24℃, with tetramethylsilane (TMS) as an internal standard. Chemical shifts were reported as s (singlet), d (doublet), t (triplet), m (multiplet), or br s (broad singlet). The coupling constants were reported in Hz. Chemical shifts were reported as parts per million (δ) relative to the solvent peak.
Moon K., Park H.S., Lee A., Min J., Park Y., & Cha J. (2022). Synthesis of α-cichoriin Using Deinococcus geothermalis Amylosucrase and Its Antiproliferative Effect. Microbiology and Biotechnology Letters, 50(2), 218-227.
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