Characterization of the different synthesized photosensitizers was achieved by 1H NMR spectroscopy recorded on a 600 MHz Bruker AVANCE NEO spectrometer and HR-MS (ESI positive, direct injection) recorded with a Bruker Impact II spectrometer. All UV-Vis spectra were recorded using a UV-1600PC spectrometer from VWR with a resolution of 1 nm. Surface analysis of the npAu supports and the final hybrid materials was performed on a scanning electron microscope (SEM, Supra 40, Zeiss) operated at 15.0 kV acceleration voltage, 300 pA probe current and 10 mm working distance and equipped with a Bruker XFalsh 6/30 EDX detector. For the quantification of immobilized photosensitizer, the hybrid material (10 mg) was dissolved in ultrapure aqua regia (2 mL) prior to determination by ICP-MS using an iCAP-Q spectrometer form Thermo Fisher Scientific.
Impact 2 spectrometer
Manufactured by Bruker
The Impact II spectrometer is a high-performance mass spectrometry instrument designed for accurate and sensitive analysis of a wide range of samples. It features advanced technology to provide precise measurements and reliable results.
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2 protocols using impact 2 spectrometer
1
Photosensitizer Characterization and Quantification
2
Structural Characterization of Compounds
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NMR spectra were
recorded on a Bruker Biospin avance III spectrometer (400 MHz for 1H and 100 MHz for 13C). The chemical shifts (δ)
for 1H NMR spectra, given in ppm, are referenced to the
residual proton signal of the deuterated solvent. Mass spectra were
recorded on a Bruker IMPACT-II spectrometer. Crystallographic data
were collected on a Mercury single crystal diffractometer at room
temperature. The structures were solved with direct methods using
OlexSys or SHELXS-97 and refined with the full-matrix least-squares
technique based on F2 using the OlexSys
or SHELXL-97. Circular dichroism (CD) spectra were recorded on a BioLogic
MOS-450 spectropolarimeter.
recorded on a Bruker Biospin avance III spectrometer (400 MHz for 1H and 100 MHz for 13C). The chemical shifts (δ)
for 1H NMR spectra, given in ppm, are referenced to the
residual proton signal of the deuterated solvent. Mass spectra were
recorded on a Bruker IMPACT-II spectrometer. Crystallographic data
were collected on a Mercury single crystal diffractometer at room
temperature. The structures were solved with direct methods using
OlexSys or SHELXS-97 and refined with the full-matrix least-squares
technique based on F2 using the OlexSys
or SHELXL-97. Circular dichroism (CD) spectra were recorded on a BioLogic
MOS-450 spectropolarimeter.
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