3-(2-naphthyl)-D-alanine and 3-(2-naphthyl)-L-alanine were obtained from Aldrich and used as supplied without further purification. Q[8] was prepared according to a literature method39 (link)40 . All the 1H NMR spectra were recorded on a Bruker DPX 400 spectrometer in D2O. Absorption spectra of the host-guest complexes were recorded on an Aglient 8453 spectrophotometer at room temperature. Fluorescence spectra of the host-guest complexes were performed with a Varian RF-540 fluorescence spectrophotometer. MALDI-TOF mass spectrometry was recorded on a Bruker BIFLEX III ultra-high resolution Fourier transform ion cyclotron resonance (FT-ICR) mass spectrometer with a-cyano-4-hydroxycinnamic acid as matrix.
Rf 540 fluorescence spectrophotometer
Manufactured by Agilent Technologies
The RF-540 fluorescence spectrophotometer is a compact and reliable instrument designed for the analysis of fluorescent samples. It features a high-intensity xenon lamp, monochromators for excitation and emission wavelength selection, and a sensitive photomultiplier tube detector. The RF-540 can measure the fluorescence intensity of a wide range of samples, providing accurate and reproducible results.
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Lab products found in correlation
2 protocols using rf 540 fluorescence spectrophotometer
1
Characterization of Naphthalyl-Amino Acid Complexes
2
Spectroscopic Analysis of Host-Guest Complexes
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Instruments: Absorption spectra of the host-guest complexes were recorded on an Aglient 8453 spectrophotometer at room temperature. Fluorescence spectra were recorded on a Varian RF-540 fluorescence spectrophotometer. All the NMR data were recorded on a Bruker DPX 400 spectrometer in D 2 O at 293.15K.
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