1H NMR spectra were obtained on a Varian 300 MHz spectrometer and on a Bruker AscendTM NMR 400 MHz. Chemical shifts are given as δ values in parts per million (ppm) and referenced to the residual solvent proton peak. Mass spectrometry was performed by electrospray ionization (ESI) and analysis was performed at the Glen MUHC facility by Bruker Amazon SL spectrometer. Data are reported as m/z (intensity relative to base peak= 100). All chemicals were purchased from Sigma-Aldrich Canada Co. (Oakville, ON, Canada). RB10 and ZR2002 (4, Figure 1A ) were previously synthesized in our lab [53 (link), 54 (link)]. TMZ, O6-BG and gefitinib were purchased from Ark Pharm, Inc. (Arlington Heights, IL, USA).
Amazon sl spectrometer
Manufactured by Bruker
The AmaZon SL is a compact and sensitive ion trap mass spectrometer designed for routine analysis. It features high-performance ion optics and a linear ion trap for efficient ion storage and detection.
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3 protocols using amazon sl spectrometer
1
Spectroscopic Analysis of Synthetic Compounds
2
Metal Ion Selectivity Assay Protocol
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All chemical reagents were provided by chemical reagent companies and used as received without further purification. The metal ions (Al3+, Ca2+, Pb2+, Mg2+, Cr3+, Cd2+, Mn2+, Fe3+, Sr2+, Ag+, Ba2+, Ni2+, Co2+ and Cu2+ as nitrates, and K+, Ba2+, Hg2+, and Sn2+ as chlorides) used in metal ion selectivity experiments were dissolved in double-distilled water. EDTA solution (0.1 mol L−1) was prepared with Na2EDTA in double-distilled water. Melting point was performed on a WRS-1B melting point apparatus. 1H NMR and 13C NMR spectra were recorded on a Bruker AV400 (400 MHz) NMR spectrometer using DMSO-d6 and CD3CN as the solvent and chemical shifts were expressed in ppm using TMS as an internal standard. The ESI-mass spectrum was obtained using on a Bruker AmaZon SL spectrometer. The UV-vis experiments were conducted using an Agilent 8453 UV/vis spectrophotometer and the fluorescence spectra measurements were performed on a Hitachi F-4600 spectrofluorometer. Photoirradiation experiments were measured using an MUL-165 UV lamp and a MVL-210 visible lamp.
3
Characterization of Organic Compounds
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The reagents and solvents used in this work were obtained from Fluka, Sigma-Aldrich or Merck and used without further purification. Melting points were determined on a Stuart SMP3 and were uncorrected. The infrared spectroscopy (IR) was performed on a Perkin-Elmer FT-IR Spectrometer Spectrum Two with KBr. NMR spectra were recorded in CDCl3, at 500 MHz (Bruker). Chemical shifts were reported in parts per million (δ) using the residual solvent signals (CDCl3: δH 7.26, δC 77.16) as internal standards for 1H and 13C NMR spectra and coupling constants (J) are reported in Hz. Mass spectra were acquired using IT-MS Bruker AmaZon SL spectrometer. TLC was performed on silica gel Merck 60 F254 and TLC plates were visualized by spraying with phosphomolybdic acid reagent and heating.
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