Av 3 400hd spectrometer

Manufactured by Bruker

The AV(III)400HD is a high-performance nuclear magnetic resonance (NMR) spectrometer designed and manufactured by Bruker. The core function of this instrument is to perform precise and accurate measurements of the chemical and physical properties of materials and substances through the analysis of their nuclear magnetic resonance signals.

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Lab products found in correlation

Apex 4 4.7t mass spectrometer, by Bruker (2 mentions) Fluoromax 3 spectrometer, by Horiba (1 mentions) Ultraflex 3 spectrometer, by Bruker (1 mentions) Silica gel 60, by Merck Group (1 mentions) Microtof, by Bruker (1 mentions)

2 protocols using av 3 400hd spectrometer

Synthesis and Characterization of Fluorescent Compounds

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All of the reagents were purchased from commercial
suppliers and
used without further purification. ¹H and ¹³C NMR spectra were recorded using a Bruker AV(III)400HD spectrometer.
MALDI-TOF MS spectra were recorded on a Bruker Ultraflex III spectrometer
using trans-2-[3-(4-tert-butylphenyl)-2-methyl-2-propenylidene]-malononitrile
as the matrix. EI M/S spectra were taken using a Bruker Apex IV 4.7
T mass spectrometer. Elemental analyses were recorded on a CE-440
Elemental Analyzer. Standard UV/vis spectra were collected on a PerkinElmer
Lambda 25 spectrophotometer using either a 1 or 10 cm pathlength quartz
cuvette. Fluorescence spectra were recorded as aerated solutions using
a Jobin Yvon Horiba FluoroMax-3 spectrometer at ambient temperatures
in a 1 cm pathlength quartz cuvette. Quantum yields were calculated
in comparison with the fluorescence observed for perylene orange (Φ
= 0.99 in CHCl₃) under identical conditions of irradiation.^{34 (link)}

Pearce N., Davies E.S., Lewis W, & Champness N.R. (2018). Thionated Perylene Diimide–Phenothiazine Dyad: Synthesis, Structure, and Electrochemical Studies. ACS Omega, 3(10), 14236-14244.

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Characterization of Novel Macrocyclic Compounds

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All the reagents used were purchased from commercial suppliers and used without further purification. ¹H, ¹³C, ¹⁹F, and ³¹P NMR spectra were recorded using a Bruker AV(III)400HD spectrometer. MALDI-TOF MS spectra were recorded on a Bruker Ultraflex III spectrometer using trans-2-[3-(4-tertbutylphenyl)-2-methyl-2-propenylidene]-malononitrile as the matrix. EI M/S spectra were taken using a Bruker Apex IV 4.7 T mass spectrometer and ESI M/S spectra were recorded with a Bruker MicroTOF. Elemental analysis was performed using an automated CE-440 Elemental Analyser. Pillar[5]arene^{40 (link)}, 2,4,6-trimethylbenzyl iodide²⁸, N,N′-bis(8-imidazolyloctyl)-perylene-3,4,9,10-tetracarboxylic diimide^{29 (link)}, bis(1,5-naphtho)-38-crown-10^{35 (link)} and [ⁿBu₄N][BF₄]⁴¹ were synthesised according to literature procedures. Column chromatography was performed on Merck silica gel 60 (0.2–0.5 mm, 50–130 mesh).

Pearce N., Reynolds K.E., Kayal S., Sun X.Z., Davies E.S., Malagreca F., Schürmann C.J., Ito S., Yamano A., Argent S.P., George M.W, & Champness N.R. (2022). Selective photoinduced charge separation in perylenediimide-pillar[5]arene rotaxanes. Nature Communications, 13, 415.

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