Ifs 66 s spectrophotometer

Manufactured by Bruker

Sourced in United Kingdom

The IFS 66/S spectrophotometer is a laboratory instrument designed for precise spectral analysis. It is capable of measuring the absorption or transmission of light across a range of wavelengths, providing detailed information about the composition and properties of samples. The core function of the IFS 66/S is to perform accurate and reliable spectroscopic measurements, without interpretation or extrapolation of its intended use.

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Lab products found in correlation

Thermal escalab 250xi, by Thermo Fisher Scientific (1 mentions) Uvmini 1240 spectrophotometer, by Shimadzu (1 mentions) D8 advance x ray diffractometer, by Bruker (1 mentions) Atr accessory, by Specac (1 mentions) Chns 932 analyzer, by Leco (1 mentions) Av 400 wb, by Bruker (1 mentions) D8 advance, by Bruker (1 mentions) Xl30s feg, by Philips (1 mentions) Asap 2010, by Micromeritics (1 mentions)

4 protocols using ifs 66 s spectrophotometer

Light-Induced FTIR Difference Spectra of P840 Photooxidation

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Light-induced FTIR difference spectra upon photooxidation of P840 were measured on a Bruker IFS-66/S spectrophotometer equipped with a MCT detector (D313-L), as described previously26 (link). The RC preparation was desalted by repeating a 10-fold dilution with buffer B and subsequent concentration by ultrafiltration (nominal molecular weight cutoff = 100 kDa, Millipore) 3 times. The sample (OD = 20 at the Qy absorption peak, 10 μL) was lightly dried on a CaF₂ plate (13 mm in diameter) with N₂ gas flow, mixed with 10 μL of a 3 mM benzyl viologen solution as an exogenous electron acceptor, and dried again. The sample was then covered with another CaF₂ plate together with 0.7 μL of a 3 mM benzyl viologen solution. The sample temperature was adjusted to 220 K in a cryostat (Oxford DN1704) with a controller (Oxford ITC-5). Difference spectra were obtained by subtraction between the 2 single-beam spectra (300 scans; 150 s accumulation for each) recorded before and after 30 s continuous-light illumination (~30 mW/cm² at the sample) from a halogen lamp (Hoya-Schott HL150) equipped with a red filter (>600 nm). Spectral resolution was 4 cm⁻¹.

Azai C., Sano Y., Kato Y., Noguchi T, & Oh-oka H. (2016). Mutation-induced perturbation of the special pair P840 in the homodimeric reaction center in green sulfur bacteria. Scientific Reports, 6, 19878.

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Comprehensive Characterization of Carbon Dots

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X-ray diffraction (D8 Advance X-ray diffractometer, Bruker AXS, Germany) was used to measure the phase composition of the CPDs powder by a Cu Kα radiation at a voltage of 40 kV and current of 40mA under a scan speed of 0.1sec/step at room temperature. The diffraction angle 2θ ranges from 10° to 70°. X-ray photoelectron spectrometry (XPS) experiments were performed by a Thermal ESCALAB 250XI X-ray source system (Thermo Fisher Scientific, USA). The excitation and emission spectra of the CPDs aqueous solutions were recorded on a spectrofluorometer (FS5, Edinburgh Instruments, England) at room temperature. The absolute quantum yield (QY) of this CPDs was measured by the spectrofluorometer (FS5, Edinburgh Instruments, England) at room temperature. The UV-vis absorption spectra of CPDs aqueous solutions were recorded by an UV-mini1240 spectrophotometer (Shimadzu, Japan). Fourier transform infrared (FT-IR) spectroscopy was conducted on a Bruker IFS 66/S spectrophotometer. The pure CPDs powder was mixed with KBr and then compressed into a crucible for FTIR scanning. The spectra were recorded over the range 4000–500cm⁻¹ with a resolution of 4 cm⁻¹. Morphology of the samples were analyzed by a high-resolution transmission electron microscopy (TEM) on Hitachi 9500 TEM and Hitachi HD-2000 STEM systems.

Yu Y., Tang P., Barnych B., Zhao C., Sun G, & Ge M. (2019). Design and Synthesis of Core-Shell Carbon Polymer Dots with Highly Stable Fluorescence in Polymeric Materials. ACS applied nano materials, 2(10), 6503-6512.

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FTIR Spectroscopy using ATR Technique

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Fourier-transform infrared (FTIR) measurements were carried out in attenuated total reflectance (ATR) mode. The infrared spectra of the samples were collected using a Bruker IFS 66/S spectrophotometer (Bruker Optics Ltd., UK), fitted with a Golden Gate ATR accessory from Specac Ltd. (UK). Measurements were carried out over a spectral range of 4,000 to 550 cm -1 with a total of 16 scans acquired at a resolution of 4 cm -1 .

Bisharat L., Barker S.A., Narbad A, & Craig D.Q.M. (2019). In vitro drug release from acetylated high amylose starch-zein films for oral colon-specific drug delivery. International journal of pharmaceutics, 556.

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Comprehensive Characterization of Porous Zeolites

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Powder X-ray diffraction (PXRD) was used to identify the recovered solids. The diffraction patterns were obtained in a Bruker D8 Advance diffractometer using Cu Kα radiation (λ = 1.5418 Å). For indexing asmade pMWW, long scan data were also obtained. The amount of organic matter occluded in the as-made zeolites was determined by CHN elemental analysis using a LECO CHNS-932 analyzer. Thermal gravimetric analysis was carried out in a SDT Q600 TA instrument under air flow (100 ml/min) heating from 25 °C to 1000 °C (with a heating rate of 10 °C/min). The morphologies of the obtained samples were investigated by field emission scanning electron microscopy (FE-SEM), using a Philips XL30 S-FEG. Multinuclear magic angle spinning (MAS) NMR spectroscopy of as-synthesized samples was obtained at room temperature on a Bruker AV-400-WB equipment and the details can be found in our previously reported work. [31] Fourier Transform infrared spectra were obtained with a Bruker IFS 66/S spectrophotometer. Nitrogen adsorption/desorption were carried out in a Micromeritics ASAP 2010 equipment at the N2 liquefaction temperature of 77 K. The calcined samples were outgassed under vacuum at 120 °C.

Lu P., Gómez-Hortigüela L, & Camblor M.A. (2019). Synthesis of Pure Silica MWW Zeolite in Fluoride Medium by Using an Imidazolium-Based Long Dication. Chemistry (Weinheim an der Bergstrasse, Germany), 25(6).

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