Iraffinity 1 fourier transform infrared spectrophotometer

Manufactured by Shimadzu

Sourced in Japan

The IRAffinity-1 Fourier transform infrared spectrophotometer is a laboratory instrument designed for the analysis of molecular structures and compositions. It uses infrared light to generate and analyze the unique spectral patterns of samples, providing detailed information about their chemical make-up.

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Spelling variants of this product

IRAffinity-1 (465 citations) IRAffinity-1 spectrophotometer (37 citations) IRAffinity (22 citations) Fourier transform infrared spectrophotometer (21 citations) Infrared spectrophotometer (8 citations) IRAffinity-1S Fourier Transform Infrared Spectrophotometer (7 citations)

11 protocols using iraffinity 1 fourier transform infrared spectrophotometer

FT-IR Characterization of Pd Nanoparticles

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FT-IR
spectroscopy was performed on a SHIMADZU IRAffinity-1 Fourier transform
infrared spectrophotometer. The dried DMF-protected Pd NPs were prepared
under a vacuum of less than 0.1 hPa at room temperature for 1 day
followed by dispersing over a NaCl crystal for the FT-IR measurements.

Ishida J., Nakatsuji M., Nagata T., Kawasaki H., Suzuki T, & Obora Y. (2020). Synthesis and Characterization of N,N-Dimethylformamide-Protected Palladium Nanoparticles and Their Use in the Suzuki–Miyaura Cross-Coupling Reaction. ACS Omega, 5(16), 9598-9604.

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Electrochemical and Structural Characterization

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The electrochemical properties
of the samples
were analyzed using a Bio-Logic 300 electrochemical workstation. A
platinum wire electrode (BAS, USA) was used as the counter electrode,
and a Ag/AgCl (BAS, USA, 3.0 M NaCl) was used as the reference electrode.
A Hanna HI-5522 pH meter (Hanna instruments, USA) was used to measure
the pH. All electrochemical experiments were conducted at an ambient
temperature of 25 °C. The EIS measurements were conducted in
the frequency range of 100 mHz–100 kHz. Scanning electron microscopy
(SEM) imaging was performed using a JSM-6700F scanning electron microscope
(Japan Electro Company). FTIR spectra were recorded using an IR-Affinity-1
Fourier transform infrared spectrophotometer (Shimadzu, Japan). The
XRD spectra and crystalline phases were determined using an X-ray
diffractometer on an X’Pert Pro MRD with a copper source at
a scan rate (2θ) of 1° s^–1. Sigma Plot
14.0 was used for all statistical data.

Saleh M.A., Mohamed M.A., Shahat A, & Allam N.K. (2021). Sensitive Determination of SARS-COV-2 and the Anti-hepatitis C Virus Agent Velpatasvir Enabled by Novel Metal–Organic Frameworks. ACS Omega, 6(40), 26791-26798.

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Analytical Techniques for Compound Characterization

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Optical rotations were recorded on an Anton Paar MCP 500 polarimeter. UV and IR spectra were measured using Shimadzu UV-2600 UV-vis spectrophotometer and Shimadzu IR Affinity-1 Fourier transform infrared spectrophotometer, respectively. NMR data were acquired with a Bruker AV-500 MHz (or AVANCE III HD 700 MHz) NMR spectrometer with TMS as an internal standard. HRESIMS spectra were performed on a Bruker MaXis quadrupole-time-of-flight mass spectrometer. Semi-preparative reversed-phase HPLC was performed on a Shimadzu LC-20A preparative liquid chromatography system with an YMC-Pack ODS column (250×20 mm i.d., 5 μm). Column chromatography (CC) was performed on silica gel (200-300 mesh, Qingdao Marine Chemical Factory, Qingdao, China), Sephadex LH-20 (GE Healthcare), or ODS (40-63 μm, YMC, Japan).

Yao F.H., Liang X, & Qi S.H. (2021). Eight new cyclopentenone and cyclohexenone derivatives from the marine-derived fungus Aspergillus sp. SCSIO 41501 by OSMAC strategy. Natural product research, 35(21).

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Determining Chitin and Chitosan Acetylation

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An IRAffinity-1 Fourier Transform Infrared Spectrophotometer (SHIMADZU, Canby, OR, USA) using potassium bromide pellets was used to determine the acetylation degree of chitin and chitosan by the method of Brugnerotto in 2001 [24 (link)].

Chérif N., Amdouni F., Bessadok B., Tagorti G, & Sadok S. (2021). Chitosan Treatment of E-11 Cells Modulates Transcription of Nonspecific Immune Genes and Reduces Nodavirus Capsid Protein Gene Expression. Animals : an Open Access Journal from MDPI, 11(11), 3097.

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Comprehensive Characterization of New Material

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A Bruker AV-400 NMR spectrometer was applied to record the liquid 1H NMR spectra. Solid-state 13 C NMR spectra were recorded on an AVIII 500 MHz solid-state NMR spectrometer. The FTIR spectra (KBr) were obtained using a SHIMADZU IRAffinity-1 Fourier transform infrared spectrophotometer. Thermogravimetric analysis (TGA) was recorded on a SHIMADZU DTG-60 thermal analyzer under N₂. PXRD data were collected on a PANalytical B.V. Empyrean powder diffractometer using a Cu Kα source (λ = 1.5418 Å). For scanning electron microscopy (SEM) images, JEOL JSM-6700 scanning electron microscope was applied. The transmission electron microscopy (TEM) images were obtained on JEM-2100 transmission electron microscopy.

Chang J., Chen F., Li H., Suo J., Zheng H., Zhang J., Wang Z., Zhu L., Valtchev V., Qiu S, & Fang Q. (2024). Three-dimensional covalent organic frameworks with nia nets for efficient separation of benzene/cyclohexane mixtures. Nature Communications, 15, 813.

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Spectral Analysis of Organic Compounds

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The ultra-violet spectra were recorded on a UV-1800 Shimadzu, UV-spectrophotometer, India. The compounds were visualized by ultra-violet irradiation at 254 and 366 nm. The IR affinity-1 fourier transform infrared spectrophotometer, Shimadzu, India was used for the measurement of the IR spectra. The 1H and 13C NMR spectra were recorded in Bruker’s advance-III 400 MHz, 500 MHz and 700 MHz spectrophotometer. The gas chromatography-mass spectroscopy was performed on Agilent’s (Agilent Technologies, Palo Alto, CA) 7890 GC system with 5975C inert XL EI/CI MSD with triple detector equipped with a firmware version A.01.13 and software driver version 4.01 (054) gas chromatography with FID. All the chemicals and reagents used were purchased from the Sigma Aldrich. The analytical grade organic solvents were utilized for the extraction and column chromatography. The adsorbent and silica gel 60–120 mesh were purchased from the Himedia, India for the column chromatography.

Thakur R.S, & Ahirwar B. (2018). A steroidal derivative from Trigonella foenum graecum L. that induces apoptosis in vitro and in vivo. Journal of Food and Drug Analysis, 27(1), 231-239.

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Analytical Characterization of Organic Compounds

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General All melting points were determined with a Buchi melting point apparatus (model B-545) and are uncorrected. IR spectra were acquired with a Shimadzu IRAffinity-1 Fourier transform infrared spectrophotometer. 1 H-NMR spectra were recorded with a JEOL, JNM-AL300 spectrometer in CDCl 3 using tetramethylsilane (TMS) as a reference. GCmass spectra were recorded with a Shimadzu GCMS-QP2010 SE using a DB-5 column (0.32 mm i.d. × 30 m, df = 0.50 µm) using an InertCap1 column (0.25 mm i.d. × 60 m, df = 0.4 µm).
Unless stated otherwise, all reagents and chemicals were obtained commercially and used without further purifica-

Warashina T., Matsuura D, & Kimura Y. (2019). Direct Formylation of Fluorine-Containing Aromatics with Dichloromethyl Alkyl Ethers. Chemical & pharmaceutical bulletin, 67(6).

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Electrochemical Characterization of Materials

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A Bio-logic SP 150 electrochemical workstation was used for all electrochemical measurements. A one compartment cell with a three electrode set-up was connected to the electrochemical workstation through a C3-stand from BAS (USA). A platinum wire from BAS (USA) was employed as the auxiliary electrode. All the cell potentials were measured with respect to an Ag/AgCl (3.0 M NaCl) reference electrode from BAS (USA). A Cyberscan 500 digital (EUTECH Instruments, USA) pH-meter with a glass combination electrode served to carry out pH measurements. All the electrochemical experiments were performed at an ambient temperature of 25 °C. Impedance spectra were recorded over a frequency range from 100 mHz to 100 kHz. Scanning electron microscopy (SEM) measurements were carried out using a JSM-6700F scanning electron microscope (Japan Electro Company). FT-IR spectra were recorded on an IR-Affinity-1 Fourier transform infrared spectrophotometer (Shimadzu, Japan). The crystalline phases were detected and identified using an X-ray diffractometer (XRD) on an X'Pert PRO MRD with a copper source at a scan rate (2θ) of 1°s -1 . Sigma Plot 10.0 was used for all statistical data.

Mohamed M.A., Atty S.A., Merey H.A., Fattah T.A., Foster C.W, & Banks C.E. (2017). Titanium nanoparticles (TiO₂)/graphene oxide nanosheets (GO): an electrochemical sensing platform for the sensitive and simultaneous determination of benzocaine in the presence of antipyrine. The Analyst, 142(19).

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FTIR Analysis of Chitosan Nanoparticles

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The FTIR spectroscopy was carried out by Shimadzu IRAffinity-1 Fourier Transform Infrared Spectrophotometer utilizing potassium bromide (KBr) disk method after adsorption of a smaller amount of chitosan, C3-005, ECNPs, and C3-CNPs on KBr. The wavelength range measured from 4000 to 400 cm⁻¹, and at a resolution of 2 cm⁻².

Yahya Alqahtani F., Sfouq Aleanizy F., Alkahtani H.M., El Tahir E., Akber Ansari S., Alharbi A., Al-Bdrawy A., Shakeel F., Haq N., Al-Rasheed L.S., Alfaraj R., Alshememry A.K, & Alsarra I.A. (2022). Chitosan loaded RNA polymerase inhibitor nanoparticles increased attenuation in toxin release from Streptococcus pneumonia. Saudi Pharmaceutical Journal : SPJ, 31(1), 170-179.

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Characterization of CdSe Quantum Dots

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The absorbance spectra of the CdSe QDs were obtained using a DR 5000 UV–Vis spectrophotometer. The stock solutions were diluted 20 times in dH₂O in optically transparent cuvettes. The fluorescence spectra were obtained using a Varian Cary Eclipse Fluorescence Spectrophotometer. The diffraction patterns were collected using a Rigaku Miniflex X-ray Powder Diffractometer in 2θ configuration ranging from 20° to 80° with a scanning speed of 0.1° min⁻¹ per one scan. FT-IR spectra were recorded using an IRAffinity-1 Fourier transform infrared spectrophotometer (Shimadzu) in the 100–4000 cm⁻¹ range. XRD and FT-IR measurements were conducted using powdered QDs. The morphology and size distribution were analyzed using a Carl Zeiss Leo 922 transmission electron microscope (TEM). TEM samples were prepared by dripping a stable suspension of TGA-CdSe QDs onto a lacey carbon Cu-supported grid (01895-F Ted Pella, Inc.). Bright-field TEM images at different magnifications were acquired under a continuous accelerating voltage of 200 kV.

Rodriguez-Torres M.R., Velez C., Zayas B., Rivera O., Arslan Z., Gonzalez-Vega M.N., Diaz-Diestra D., Beltran-Huarac J., Morell G, & Primera-Pedrozo O.M. (2015). Cytocompatibility of direct water synthesized cadmium selenide quantum dots in colo-205 cells. Journal of nanoparticle research : an interdisciplinary forum for nanoscale science and technology, 17(6), 266.

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