Quantamaster c 60 2000 spectrofluorometer
The QuantaMaster C-60/2000 is a spectrofluorometer, a device used to measure the fluorescence properties of samples. It is capable of performing steady-state and time-resolved fluorescence measurements across a wide range of wavelengths.
Lab products found in correlation
3 protocols using quantamaster c 60 2000 spectrofluorometer
Thermal, Optical, and Morphological Characterization of Nanomaterials
Characterization of Silica Particles
infrared spectra were recorded using a Perkin-Elmer FTIR instrument
(Perkin-Elmer Instruments). The fluorescence emission was measured
using a QuantaMaster C-60/2000 spectrofluorometer (Photon Technology
International, Lawrenceville, NJ, USA). 1H and 13C NMR spectra were recorded on a superconducting magnet NMR spectroscopy
400 MHz (Bruker B-ACS60). Solid-state 11B MAS NMR experiments
were performed on a Bruker 500 MHz Avance III instrument in the Chemical
Biological Center, Umeå University. X-ray photoelectron spectroscopy
(XPS) analysis was carried out using a spectrometer with a Mg Kα (excitation 1253.6 eV) X-ray source. For fluorescence
microscopy imaging, samples were deposited on a glass slide and observed
under a Nikon Eclipse E400 epifluorescence microscope equipped with
a CCD camera. The conditions of measurement were: exposure time: 0.2
s, readout rate: 1 MHz at 16-bit, preamplifier gain: 5×, output
amplifier: conventional. Elemental analysis was carried out using
a Vario EL CHNS elemental analyzer (Elementar, Germany). The surface
morphologies of silica particles were observed with a scanning electron
microscope (SEM; JEOLJSM-T300). Thermal gravimetric analysis (TGA)
was performed in synthetic air using a TGS-2 thermogravimetric analyzer
(Perkin–Elmer, USA). The samples were heated from 40 to 700
°C at 10 °C/min and held for 30 min.
Characterization of Silica Nanoparticles
The surface morphologies of silica particles were observed using a scanning electron microscope (Thermal Field Emission SEM LEO 1560, Zeiss, Oberkochen, Germany) and a transmission electron microscope (Tecnai Spirit BioTWIN, FEI Company, Oregon, USA). The hydrodynamic diameter of the nanoparticles was measured at 25 1C by dynamic light scattering using a Zetasizer Nano ZS instrument (Malvern Instruments, United Kingdom).
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