Tensor 27 ir spectrometer

Manufactured by Bruker

Sourced in Germany

The Tensor 27 IR spectrometer is a Fourier Transform Infrared (FTIR) spectrometer designed for high-performance analytical applications. It offers a spectral range of 7,500 to 370 cm-1, enabling the analysis of a wide variety of samples. The Tensor 27 features advanced optics and a robust design for consistent and reliable performance.

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Lab products found in correlation

Hyperion 3000 ir microscope, by Bruker (2 mentions) Escalab 250xi, by Thermo Fisher Scientific (2 mentions) Senterra raman microscope, by Bruker (1 mentions) Avance 3 400 mhz nmr spectrometer, by Bruker (1 mentions) Hyperion 2000 ir microscope, by Bruker (1 mentions) Opus software, by Bruker (1 mentions) Zen 3600 zetasizer, by Malvern Panalytical (1 mentions) Jsm 6700f, by JEOL (1 mentions) S 4800, by Hitachi (1 mentions) Zetasizer nano zs90, by Malvern Panalytical (1 mentions) V 650, by Jasco (1 mentions) Jem 2000exii, by JEOL (1 mentions) Trypsinase, by Thermo Fisher Scientific (1 mentions) Cyanuric chloride, by Sinopharm (1 mentions) Fetal calf serum (fcs), by Thermo Fisher Scientific (1 mentions) 1 4 dioxane, by Sinopharm (1 mentions) Trichloromethane, by Sinopharm (1 mentions) 3 4 5 dimethylthiazol 2 yl 2 5 diphenyltetrazolium bromide mtt, by Thermo Fisher Scientific (1 mentions) Rpmi 1640 culture medium, by Thermo Fisher Scientific (1 mentions) Vario el 3 elemental analyzer, by Elementar (1 mentions)

20 protocols using tensor 27 ir spectrometer

Raman and FTIR Analysis of Textile Materials

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Raman spectroscopy was carried out
using a 785 nm laser and a Bruker Senterra Raman microscope. The scattered
light was coupled into an ×20 long working distance objective,
and a 1200 lines/mm grating was used. The laser power and acquisition
time were varied between the CNT yarn, triboelectric yarn, and PVDF
fiber mats to avoid sample damage. FTIR spectra were obtained using
a Bruker Tensor 27 IR spectrometer equipped with an attenuated total
internal reflection attachment.

Busolo T., Szewczyk P.K., Nair M., Stachewicz U, & Kar-Narayan S. (2021). Triboelectric Yarns with Electrospun Functional Polymer Coatings for Highly Durable and Washable Smart Textile Applications. ACS Applied Materials & Interfaces, 13(14), 16876-16886.

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Deprotection of Quaternized Diblock Copolymer

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The polymer powder (0.3 g) that was obtained after the quaternization reaction was dissolved in 8 mL of ethanol and heated at 80 1C with reflux under an N 2 atmosphere. Subsequently, hydrazine hydrate solution (78-82% in H 2 O) (10 eq. with respect to 2VP) was added for deprotection of the quaternized diblock copolymer. The mixture was kept at 80 1C for 18 hours. After that, the mixture was cooled to 4 1C and filtered to remove phthalhydrazide. The filtrate was collected, and the volume of filtrate was reduced to about 3 mL by using a rotary evaporator. The solution was then dialyzed (MWCO 3.5 kg mol À1 ) for three days against water to remove excess hydrazine hydrate and the side product phthalhydrazide. 34 After lyophilization the polymer product was obtained as a white powder and analyzed by using 1 H-NMR (using a Bruker Avance III 400 MHz NMR spectrometer), FTIR (using a Bruker Tensor 27 IR spectrometer), and a ninhydrin assay. For the ninhydrin assay, the polymer (0.5 mg) was dissolved in 50 mL of water, then 200 mL of ninhydrin solution (2% in ethanol) was added. The solution was heated at 90 1C for 3 min, then cooled to room temperature. An overview of the quaternization and deprotection reactions is presented in Scheme 2.

Kembaren R., Kleijn J.M., Borst J.W., Kamperman M, & Hofman A.H. (2022). Enhanced stability of complex coacervate core micelles following different core-crosslinking strategies. Soft matter, 18(15).

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FT-IR Spectroscopy of Washed Beads

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Fourier transform infrared spectroscopy (FT-IR) samples were prepared
by drying ∼10 μL of Milli-Q-washed beads in a vacuum
oven at 50 °C for at least 2 h. The dried beads were transferred
to a small piece of gold-coated Si(111) and subsequently measured
by a Bruker Tensor 27 IR spectrometer, connected to a Bruker HYPERION
2000 IR microscope with a liquid nitrogen-cooled mercury cadmium telluride
detector. Both apparatuses were controlled using Bruker’s OPUS
software. The microscope was used to select an area with a sufficient
amount of beads and a proper background position. For each background
and sample measurement 128 scans were taken.

van Andel E., de Bus I., Tijhaar E.J., Smulders M.M., Savelkoul H.F, & Zuilhof H. (2017). Highly Specific Binding on Antifouling Zwitterionic Polymer-Coated Microbeads as Measured by Flow Cytometry. ACS Applied Materials & Interfaces, 9(44), 38211-38221.

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In-Situ IR Spectroelectrochemistry of Catalysts

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A Bruker Tensor 27 IR spectrometer with a diamond crystal single‐reflection internal reflection element ATR prism accessory was used for all experiments. The instrument was fitted with a room temperature DLaTGS detector at 4 cm⁻¹ resolution. The counter electrode (CE) was a Pt wire and the reference electrode (RE) was Ag/AgCl filled with saturated KCl solution. The potential was controlled with a Palmsens Emstat2 potentiostat (Palmsens, NL). The electrode was equilibrated in the 0.1 m KOH electrolyte (deoxygenated for 20 min prior with Ar) for ≈10 min and an IR background spectrum was obtained at open circuit potential. After which, the potential was applied, and spectra were recorded relative to the spectrum of the equilibrated sample. Applied potentials were adjusted from 0 to −0.3 V versus RHE with a step of −0.05 V. Each spectrum was recorded after keeping the specific potential for 10 min.

Zhao S., Berry‐Gair J., Li W., Guan G., Yang M., Li J., Lai F., Corà F., Holt K., Brett D.J., He G, & Parkin I.P. (2020). The Role of Phosphate Group in Doped Cobalt Molybdate: Improved Electrocatalytic Hydrogen Evolution Performance. Advanced Science, 7(12), 1903674.

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Characterization of Imprinted Polymer Films

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The imprinted and reference polymer films were characterized with RAIRS measurements using a Bruker Hyperion 3000 IR microscope with a built-in Tensor 27 IR spectrometer and a computerized sample stage. The IR beam was surface reflected twice at the surface with a grazing angle objective at 52° and 83° to the surface normal. A mercury-cadmium-telluride (MCT) detector was utilized to collect 1000 interferograms at 4 cm^-1 resolution. Prior to Fourier transformation, the interferograms were corrected using a three-term Blackmann–Harris apodization function. The sample chamber was purged with N₂ to maintain an inert atmosphere throughout the measurement. An unmodified gold-coated resonator surface was used as reference to measure the background spectra.

Elmlund L., Suriyanarayanan S., Wiklander J.G., Aastrup T, & Nicholls I.A. (2014). Biotin selective polymer nano-films. Journal of Nanobiotechnology, 12, 8.

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Characterization of Cellulose Aerogel Composites

Cited 1 time

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The morphologies of aerogels were observed by SEM (JSM 6700F, JEOL, Tokyo, Japan) at 3 kV accelerating voltage. Compressive tests were performed on an Instron high-capability 5900 series press (Instron Co., Norwood, MA, USA)) with a 500 N cell at a constant rate of 2 mm/min in triplicate. The CpA aerogels were compressed along the thickness direction up to 80% strain. Zeta potentials of pure CNF, pDA, CNF-g-pDA, AF and CpA at pH of 2.5, 7.0 and 8.5 were measured by ZEN 3600 zetasizer (Malvern Instruments, Worcestershire, UK) with a 4 mW laser (wavelength of 632.8 nm). The number of measurements per scan were determined automatically by the instrument. The FT-IR analysis was conducted by Bruker Tensor 27 IR Spectrometer (Bruker Optic GmbH, Ettlingen, Germany). The porosity of the aerogels was determined by calculation using Equation (1) [35 (link)]:

P o r o s i t y (%) = (1 - \frac{ρ_{a e r o g e l}}{f_{C e l l u l o s e} ρ_{C e l l u l o s e} + f_{A m y l o i d s} ρ_{A m y l o i d s}}) \times 100

where

ρ_{a e r o g e l}

is the aerogel density, which is calculated by taking the mass of the aerogel (measured by a balance) and dividing it by the determined volume of the aerogel (determined by optical microscopy images taken using Leica MZ12). The

ρ_{C e l l u l o s e}

and

ρ_{A m y l o i d s}

are the densities of CNF and AF, respectively,

f_{C e l l u l o s e}

and

f_{A m y l o i d s}

are the weight fractions of the CNF and AF fibrils.

Sorriaux M., Sorieul M, & Chen Y. (2021). Bio-Based and Robust Polydopamine Coated Nanocellulose/Amyloid Composite Aerogel for Fast and Wide-Spectrum Water Purification. Polymers, 13(19), 3442.

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Hydrogel Patch Characterization

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Infrared spectra were recorded using a Bruker Tensor-27 IR spectrometer. Field emission scanning electron microscopy (FE-SEM) (Hitachi, S-4800, 15 kV) was used for surface morphology and elemental imaging of the hydrogel patches. The samples for the FE-SEM tests were placed on a tin foil surface and subjected to gold spraying for 60 seconds. X-ray photoelectron spectroscopy (XPS) measurements were carried out using an ESCALAB 250Xi (Thermo Fisher Scientific Inc., USA).

Shao X.H., Yang X., Zhou Y., Xia Q.C., Lu Y.P., Yan X., Chen C., Zheng T.T., Zhang L.L., Ma Y.N., Ma Y.X, & Gao S.Z. (2022). Antibacterial, wearable, transparent tannic acid-thioctic acid-phytic acid hydrogel for adhesive bandages. Soft matter, 18(14).

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CO₂ Electroreduction Species Analysis

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To further understand the process of CO₂ electroreduction, a Bruker Tensor 27 IR spectrometer was used to analyze the species produced in the electrolyte. In the experiment, 100 μL electrolyte after desired electrolysis time was dropped on CaF₂ disc window and then IR spectrum was obtained.

Yang D., Zhu Q., Chen C., Liu H., Liu Z., Zhao Z., Zhang X., Liu S, & Han B. (2019). Selective electroreduction of carbon dioxide to methanol on copper selenide nanocatalysts. Nature Communications, 10, 677.

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Composite Film Interaction Analysis

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The interactions among the components in fabricated composite films were analyzed with FTIR (400–4000 cm⁻¹) using Bruker Tensor 27 IR spectrometer (Karlsruhe, Germany).

Yadav M., Liu Y.K, & Chiu F.C. (2019). Fabrication of Cellulose Nanocrystal/Silver/Alginate Bionanocomposite Films with Enhanced Mechanical and Barrier Properties for Food Packaging Application. Nanomaterials, 9(11), 1523.

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FTIR Analysis of Protein-Mineral Interactions

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ATR-FTIR was carried out using a Bruker Tensor 27 IR spectrometer (Billerica, Massachusetts, USA) to analyze both protein conformation and chemical groups of the mineral precipitate. STNA15-ELP was prepared as previously described with the ultrapure water exchanged for deuterium oxide (D₂O) (VWR International Ltd, Lutterworth, UK).
Before FTIR measurement, an STNA15-ELP coated glass slip was rinsed with D₂O to remove excess protein. The measurements on the coating were taken in a wet condition. Free protein samples were pipetted directly on the ATR window. Eighty scans per measurement, 400–2,000 cm⁻¹ range, 3 repeats were acquired and averaged. The FTIR chamber was purged with nitrogen during readings. The amide I region was deconvoluted in Origin Pro using the Gaussian fit and previously reported literature values (Serrano et al., 2007 (link)). For the characterization of the mineral precipitate, 60 scans, in the range of 400–4,000 cm⁻¹, were taken for each mineralized sample. All measurements were carried out at 21°C.

Shuturminska K., Tarakina N.V., Azevedo H.S., Bushby A.J., Mata A., Anderson P, & Al-Jawad M. (2017). Elastin-Like Protein, with Statherin Derived Peptide, Controls Fluorapatite Formation and Morphology. Frontiers in Physiology, 8, 368.

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