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Fourier transform infrared spectrophotometer

Manufactured by Shimadzu
Sourced in Japan

The Fourier transform infrared spectrophotometer is a laboratory instrument used to analyze the chemical composition of a sample by detecting the absorption of infrared radiation. It measures the wavelengths at which a sample absorbs or transmits infrared radiation, and the intensity of the absorption or transmission. This data can be used to identify the chemical bonds and functional groups present in the sample.

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21 protocols using fourier transform infrared spectrophotometer

1

FTIR Spectroscopy of Biocomposites

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Fourier transform infrared spectrophotometer (Shimadzu Cooperation, Kyoto, Japan IRPrestige-21/IRAffinity-1/FTIR-8000 series) coupled with IRsolution software to control them and data processing used in this work. Semi-thin layers were cut from biocomposites, a razor blade, and then dried at 60 °C for two hours. The prepared samples were scanned while using Attenuated Total Reflection (ATR) setup in the absorbance range of 400–4000 cm−1 with a scanning rate of 2 cm−1 and 50 scans per run.
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2

Characterization of Polymer Film Composition

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The
chemical compositions of the films were characterized using a Fourier
transform infrared spectrophotometer (IRA Shimadzu, Japan) equipped
with ZnSe cell/crystals by identifying the functional groups of CMC
and PEG. All of the spectra were recorded within a range of 4000–400
cm–1 with a resolution of 4 cm–1.
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3

Spectroscopic Characterization of Organic Compounds

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All of the chemicals are used
as obtained commercially without any purification. 1H and 13C NMR spectra were recorded on a Jeol JNM ECX-400P spectrometer
at 400 and 100 MHz, respectively. NMR spectra of the compound were
obtained in CDCl3, considering tetramethylsilane as an
internal standard. High-resolution mass spectra (HRMS) were recorded
on an Agilent 6520 Q-TOF mass spectrometer. Single-crystal XRD was
obtained using an X-Calibur instrument. The UV–vis absorption
measurement was carried out using a CARY 300 Conc UV–visible
spectrophotometer. Fluorescence spectra were recorded on a Horiba
PTI QM-8450-11-C. The lifetime decay spectra were recorded using Horiba
PTI QM-8450-11-C. The FT-IR spectral analysis was carried out using
an IR Affinity-1S, Shimadzu Fourier transform infrared spectrophotometer.
A JASCO J-185 CD spectrometer was used to record the CD spectra.
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4

ATR-IR Spectroscopic Analysis of Polymer Networks

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Dry neat (non-drug-loaded) and TM-loaded pSB-co-pVP networks were studied by using ATR-IR spectroscopy. The regime of the attenuated total reflectance of the IRAffinity-1 Shimadzu Fourier Transform Infrared spectrophotometer with the MIRacle Attenuated Total Reflectance Attachment, Kyoto, Japan was used.
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5

Synthesis and Characterization of Heterocyclic Compounds

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All melting points were uncorrected. Compounds prepared by different procedures were characterized by mixed melting points, thin-layer chromatography (TLC) and infra-red (IR). IR spectra (KBr) were recorded on Fourier Transform Infra-Red spectrophotometer: Model: IR-Affinity-1 from Shimadzu Corporation. Nuclear magnetic resonance (NMR) spectra were measured with a Varian Gemini 300 spectrometer (300 MHz 1H NMR) and chemical shift were given in ppm from tetramethylsilane (TMS). 13C NMR spectra were recorded with a Varian Mercury 300 (300 MHz 1H NMR, 75 MHz 13C NMR). Mass spectra were recorded on a DI Analysis Shimadzu QP-20100 Plus. Elemental analyses were carried out at the Microanalytical Centre, Cairo University. 4-Hydroxyacetophenone, 2-hydroxyacetophenone, chloroacetyl chloride, ethylene diamine, 1,3-diaminopropane, 1,4-diaminobutane, N-bromosuccinimide (NBS) and p-toluenesulfonic acid were used as purchased from Aldrich. The starting materials bis-(2-chloroacetamide)56 3a–c were synthesized following the literature procedures.
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6

Fourier Transform Infrared Spectroscopy of Cellulosic Samples

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Fourier transform infrared spectra of BNC, VNC, AcBNC, and AcVNC were acquired with an IR Affinity-1 Shimadzu Fourier Transform Infrared Spectrophotometer (Kyoto, Japan) in absorbance mode. Dried milled samples and KBr (110 °C, overnight) were pressed at a 1:20 ratio into discs at 8 kg/cm2 and the IR spectra were recorded in the range of 3800 to 900 cm−1 with a total of 32 scans at a resolution of 4 cm−1. Baselines were corrected and normalized against the intensity of the absorption at 1165 cm−1, attributed to the (C–O–C) linkage of cellulose [22 (link)].
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7

ATR-FTIR Analysis of Pea Protein and Pectin

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FTIR spectra were acquired using a Fourier Transform Infrared spectrophotometer (Shimadzu, Kyoto, Japan) equipped with an attenuated total reflectance (ATR) accessory under ambient conditions. The samples analyzed by the ATR-FTIR instrument were prepared according to a method described previously [33 (link)]. Briefly, freeze-dried powdered pea protein, pectin, or pea protein-pectin (uncooked scallop analog) were placed between two pieces of aluminum foil and then pressed into a small pellet. This pellet was then further pressed onto the germanium crystal surface using an ATR accessory to ensure good contact with the ATR crystal. The background signal was collected before each measurement. Each spectrum was the average of 32 scans in the wavenumber range from 4000 to 400 cm−1 at a 4 cm−1 resolution.
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8

FTIR Analysis of Polymers and Microspheres

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The compatibility study assessed by FTIR spectroscopy was conducted on the raw materials, namely MTH, XG and their mixture, and also on the formulated microspheres. The spectra with a resolution of 4 cm−1, using 10 scans, were then recorded in the range of 4000–500 cm−1 using a Fourier transform infrared spectrophotometer (Shimadzu, Tokyo, Japan).
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9

Fourier-Transform Infrared Spectroscopy Protocol

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Flourier-transform infrared (FT-IR) analysis was carried out using FT-IR-8400S, Shimadzu Fourier Transform Infrared Spectrophotometer, Japan.
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10

FTIR Analysis of Thiolated Gum Mixtures

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The presence of the thiol group in TRM was studied via FT-IR spectroscopy. Pure sample of Plain gum mixture (PM) and thiolated reaction mixture (TRM)were scanned by Fourier Transform Infra-Red spectrophotometer (Shimadzu Affinity-1). KBr pellets of samples were prepared by applying pressure of 10 ton and FTIR spectra was recorded in a range of 4500–500 cm−1 [27 (link),28 (link)].
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