A UV-Vis spectrophotometer (CARY50, VARIAN Spectrometer, Australia) was utilized to record different stages of the formation of “AgNPs–PAni–HPW” nanocomposite within the wavelength range 200–800 nm. Fourier transform infrared spectra (FT-IR) were recorded by a Nicolet (Thermo) Avatar 370 FTIR Spectrometer, USA, using the KBr pellet mode in the region of 4000–400 cm−1. A Transmission Electron Microscope (TEM, PHILIPS, model CM120, Netherland) was utilized at 120 K accelerating voltage. The Scanning Electron Microscopy (SEM) was carried out by Philips XL30 ESEM, at 20 KV voltage. The X-Ray Diffraction (XRD) patterns were recorded by a diffractometer, Explorer θ–θ, GNR, Italy, equipped with a dectris (fast strip) detector and fitted at 0.25 mm radiation entrance slit, using Ni-filtered Cu Kα radiation (k = 1.5418 Å at 0.01° scan rate in 2θ). The Brunauer–Emmett–Teller (BET) specific surface area of the samples was examined using PHS-1020 (PHSCHINA), China. The pore size distributions were calculated through the Barrett–Joyner–Halenda (BJH) method.
Avatar 370 ftir spectrometer
Manufactured by Thermo Fisher Scientific
Sourced in United States
The AVATAR 370 FTIR spectrometer is a laboratory instrument designed for infrared spectroscopy analysis. It utilizes Fourier transform infrared (FTIR) technology to measure the absorption and emission characteristics of various materials across the infrared spectrum. The core function of the AVATAR 370 is to provide precise and accurate infrared spectral data for sample analysis and identification purposes.
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Lab products found in correlation
Jem 1230, by JEOL (2 mentions)
Tm 1000, by Hitachi (2 mentions)
Cm120, by Philips (1 mentions)
Xl30 esem, by Philips (1 mentions)
Axs d8 advance x ray diffractometer, by Bruker (1 mentions)
Jsm 6390lv microscope, by JEOL (1 mentions)
Quantax 200 z10 eds detector, by Bruker (1 mentions)
Lambda 950, by PerkinElmer (1 mentions)
Db 624 capillary column, by Agilent Technologies (1 mentions)
Dip 370, by Jasco (1 mentions)
Aviii 500, by Bruker (1 mentions)
Triple tof 5600 spectrometer, by AB Sciex (1 mentions)
Su8010 field emission scanning electron microscope, by Hitachi (1 mentions)
Jem 1230 transmission electron microscope, by JEOL (1 mentions)
D8 advance diffractometer, by Bruker (1 mentions)
Pw1730 x ray diffractometer, by Philips (1 mentions)
8 protocols using avatar 370 ftir spectrometer
1
Comprehensive Characterization of AgNPs-PAni-HPW Nanocomposite
2
Comprehensive Characterization of Nanoparticle Synthesis
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All reagents for the synthesis were obtained commercially and used as received. The infrared spectrum of the solid precursor sample was recorded using KBr pellets in the range of 4000–400 cm−1 on Thermo Nicolet, Avatar 370-FT-IR spectrometer. EDX energy-dispersive X-ray spectroscopy was performed by SIGMA HV – Carl Zeiss with Bruker Quantax 200 – Z10 EDS Detector. The simultaneous TG-DTA experiment was carried out in Perkin Elmer, Diamond TG/DTA thermal analyzers. Thermal analysis was carried out in nitrogen atmosphere at the heating rate of 10֩ C per minute using 4.365mg of the sample. Platinum cups were used as sample holders and alumina as reference. The temperature range was ambient to 700֠ C. XRD pattern was recorded using Bruker AXS D8 Advance X-ray diffractometer using CuK_ radiation (1.5406 A°) at 40 kV and 40 mA. Scanning electron microscopy (SEM) was performed with a JEOL Model JSM - 6390LVmicroscope. The morphology of the synthesized NPs was characterized using transmission electron microscopy (TEM) Jeol/JEM 2100 model operating with an accelerating voltage of 200 kV. UV-Vis-NIR absorption spectra was recorded at room temperature on Perkin Elmer lambda 950 UV-VIS-NIR instrument with spectral range of 175–3300 nm having Deuterium lamp (UV region)and Tungsten- Halogen lamp (VIS-NIR region)as source, PMT (UV-VIS) and Peltier cooled PbS (NIR) as Detectors.
3
Characterization of Biosynthesized Silver Nanoparticles
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The functional group of the biosynthesized AgNPs with antifungal activity was determined by Fourier transform infrared spectroscopy (FTIR), which was carried out as described by Hossain et al. [20 ]. In brief, 1 mg of freeze-dried AgNP powders were mixed with KBr (300 mg), and the FTIR was recorded in the spectral range of 500–4000 cm by using an AVATAR 370 FTIR spectrometer (Thermo Nicolet, MA, USA). Furthermore, the crystalline nature of the biosynthesized AgNPs was analyzed by X-ray diffraction (XRD), as described by Hossain et al. [20 ] by using an XPert PRO diffractometer (Holland) with a detector voltage of 45 kV and a current of 40 mA while using CuKo radiation. In addition, the morphology of the biosynthesized AgNPs was recorded through the observation of both TEM (JEM−1230, JEOL, Tokyo, Japan) and SEM (SEM, TM−1000, Hitachi, Japan), which were performed according to the method of [18 (link)]. The silver element of the AgNPs was confirmed with an energy dispersive spectrometer (EDS).
4
Characterization of Biogenic Silver Nanoparticles
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Several techniques were used to characterize AgNPs that were produced using aqueous A. graecorum leaf extract. UV-visible spectrophotometry was used to examine the visible absorption spectroscopy of AgNPs [17 (link)]. Using Fourier-transform infrared (FTIR) and an AVATAR 370 FTIR spectrometer (Thermo Nicolet, Madison, WI, USA)with a resolution of 4 cm in the spectrum range of 4000–500 cm, the functional groups of A. graecorum leaf extract responsible for converting Ag ions to AgNPs were discovered. Using scanning electron microscopy (SEM), TM-1000, Hitachi, Japan; transmission electron microscopy (TEM), JEM-1230, JEOL, Akishima, Japan; and energy-dispersive spectrum analysis (EDS), the form, size, and presence of Ag ions in the produced AgNP pellets were ascertained. The X-ray diffraction (XRD) on an XPert PRO diffractometer with a detector voltage of 45 kV and 40 mA and CuKo radiation was used to establish the crystalline nature of biosynthesized AgNPs [42 (link)].
5
Spectroscopic Characterization of Molecular Compounds
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Optical rotations were measured on a JASCO DIP-370 digital polarimeter. IR spectrum was carried out on an AVATAR 370 FT-IR spectrometer (Thermo Nicolet). NMR spectra were recorded on a Bruker AV III-500 instrument at 500 MHz for 1 H and 125 MHz for 13 C using standard pulse programs and acquisition parameters. Chemical shifts were reported in δ (ppm) referencing to the NMR solvent pyridine-d 5 . HRESIMS data were acquired on an AB Sciex Triple TOF 5600 spectrometer. GC analysis was conducted on an Agilent 6890 N gas chromatograph system using a DB-624 capillary column (30 m × 0.53 mm, 3.0 µm, Agilent Technologies).
6
Characterization of Biosynthesized AgNPs
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The functional group of the biosynthesized AgNPs was planned by FTIR as described by [14 (link)]. Briefly, 1 mg (freeze-dried) of AgNPs powders were blended with KBr (300 mg) and the FTIR were measured with an AVATAR 370 FTIR spectrometer (Thermo Nicolet, MA, USA) at a spectral range of 500–4000 cm.
7
Synthesis and Characterization of Silver Nanoparticles
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Functional groups responsible for the synthesis and stabilization of AgNPs were detected by Fourier transform infrared (FTIR) spectroscopy. Freeze-dried AgNP powders (1 mg) were mixed with KBr (300 mg) and compressed to thin pellets by hydraulic pellet press. FTIR spectra were recorded in the range of 500‒4000 cm−1 with a resolution of 4 cm−1 using an AVATAR 370 FTIR spectrometer (Thermo Nicolet, MA, USA).
The size and morphology of AgNPs were observed by scanning electron microscopy and transmission electron microscopy. One drop of the AgNP solution was applied onto a carbon-coated copper grid and dried under a lamp. AgNPs carried by the grid were observed with an SU8010 field emission scanning electron microscope (Hitachi, Tokyo, Japan) and a JEM-1230 transmission electron microscope (JEOL, Tokyo, Japan). The silver element of AgNPs was detected by an X-Max N energy dispersive spectrometer (Oxford Instruments, Oxford, UK) at 20 keV.
The crystalline nature of AgNPs was analyzed by X-ray diffraction spectroscopy. Freeze-dried AgNP powders were applied onto a coated film on a glass slide and analyzed using a D8 Advance Diffractometer (Bruker, Karlsruhe, Germany) in the 2θ range from 20° to 80° with Cu-Kα radiation at 40 kV and 40 mA.
The size and morphology of AgNPs were observed by scanning electron microscopy and transmission electron microscopy. One drop of the AgNP solution was applied onto a carbon-coated copper grid and dried under a lamp. AgNPs carried by the grid were observed with an SU8010 field emission scanning electron microscope (Hitachi, Tokyo, Japan) and a JEM-1230 transmission electron microscope (JEOL, Tokyo, Japan). The silver element of AgNPs was detected by an X-Max N energy dispersive spectrometer (Oxford Instruments, Oxford, UK) at 20 keV.
The crystalline nature of AgNPs was analyzed by X-ray diffraction spectroscopy. Freeze-dried AgNP powders were applied onto a coated film on a glass slide and analyzed using a D8 Advance Diffractometer (Bruker, Karlsruhe, Germany) in the 2θ range from 20° to 80° with Cu-Kα radiation at 40 kV and 40 mA.
8
Morphological and Structural Characterization of Microcapsules
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The morphological properties of the samples were assessed using a scanning electron microscope (SEM, VEGA\\TESCAN-LMU, the USA) at an accelerating voltage of 15.00 kV. Before being coated with a thin film of gold/palladium, the samples were fixed on an aluminum stub using a double-sided tape. The micrographs of the samples were captured at magnifications of 2000x, 4000x, and 10000x. 4 FT-IR and XRD Analyses FT-IR was carried out using the AVATAR 370 FTIR spectrometer (Thermo Nicolet, the USA) to analyze the functional groups of the samples. The IR spectra were recorded in the wavenumber range of 4000-400 cm À1 . 7 The diffractograms of the microcapsule samples were recorded using a PW1730 X-ray diffractometer (Phillips, the Netherlands) at a voltage of 40 kV and a current of 40 mA. The samples were scanned in the 2u range of 10-40°. RC was computed by dividing the area under sharp peaks by the total area under the curve. 20
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