spotlight 200i fourier  (Revvity)

Journal: Toxics

Article Title: Physiological Toxicity and Antioxidant Mechanism of Photoaging Microplastics on Pisum sativum L. Seedlings

doi: 10.3390/toxics11030242

Figure Lengend Snippet: Fourier transform infrared spectra (4000–650 cm −1 ) of ( a ) PS, ( b ) PA, ( c ) PE, and ( d ) PET MPs after photo-irradiation for 0, 7, and 14 d. The number of samples for the repeated experiments is n = 3.

Article Snippet: To evaluate the possible surface changes of MPs after photoaging, four types of MPs were measured in the wavelength range 4000–650 cm −1 using Fourier transform infrared microscopy spectroscopy (FTIR, Spotlight 200i, PerkinElmer, OH, USA) for both pristine MPs and differently photoaged MPs.

Techniques: Fourier Transform Infrared Spectroscopy, Irradiation

Journal: Materials

Article Title: Chemical Characterisation of Silanised Zirconia Nanoparticles and Their Effects on the Properties of PMMA-Zirconia Nanocomposites

doi: 10.3390/ma14123212

Figure Lengend Snippet: FTIR spectra showing (black curve, top) silane coupling agent (γ-MPS), (red curve, middle) zirconia nanoparticles after treatment with silane (γ-MPS) and (blue curve, bottom) zirconia nanoparticles without silane.

Article Snippet: Fourier Transform Infrared spectroscopic (FTIR) (Perkin-Elmer Spectrum Two, Spotlight 200i, Waltham, MA, USA) were used to find the functional groups and bonds in the silanised zirconia nanoparticles powders and non-silanised zirconia.

Techniques:

Journal: Scientific Reports

Article Title: Mid- to long-wave infrared computational spectroscopy with a graphene metasurface modulator

doi: 10.1038/s41598-020-61998-w

Figure Lengend Snippet: ( a ) Schematic illustration of principle of spectral reconstruction with graphene metasurface modulator. ( b ) Integrated signal vs gate voltage for three metasurface devices. ( c ) Spectra of infrared light source ( \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$G(\lambda )$$\end{document} G ( λ ) , from silicon carbide globar) as reconstructed using graphene metasurface modulator (red curve) and as measured directly by FTIR (black curve). Wavelength range is \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\,\lambda =4.5\,\mu m$$\end{document} λ = 4.5 μ m to \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$10\,\mu m$$\end{document} 10 μ m , with 2751 data points.

Article Snippet: Infrared reflection spectra are measured using a Fourier transform infrared spectrometer (FTIR) coupled to a microscope (Spotlight 200i, Perkin Elmer) incorporating a liquid-nitrogen-cooled mercury cadmium telluride (MCT) detector.

Techniques: