ATR–FTIR spectra of all samples were recorded using a Tensor 27 spectrometer (Bruker, Billerica, MA, USA) together with a platinum ATR diamond module (Bruker, Billerica, MA, USA). The spectra were recorded in the range of 400–4000 cm−1 at 4 cm−1 resolution with 128 scans.
Platinum atr diamond module
Manufactured by Bruker
Sourced in Germany, United States
The Platinum ATR diamond module is a core analytical component designed for Bruker's FTIR spectrometers. It utilizes a diamond internal reflection element to enable attenuated total reflectance (ATR) measurements for a wide range of sample types and applications.
Automatically generated - may contain errors
Lab products found in correlation
Tensor 27 spectrometer, by Bruker (2 mentions)
Alpha ftir quicksnap sampling module, by Bruker (2 mentions)
Cary eclipse spectrophotometer, by Agilent Technologies (1 mentions)
Cary 100 uv vis spectrophotometer, by Agilent Technologies (1 mentions)
20 μl loop, by Waters Corporation (1 mentions)
Alpha ftir spectrophotometer, by Bruker (1 mentions)
6 protocols using platinum atr diamond module
1
ATR-FTIR Analysis of Diverse Samples
2
ATR-FTIR Spectral Analysis of Samples
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ATR–FTIR spectra of the samples were obtained using a Tensor 27 spectrometer (Bruker, Billerica, MA, USA) together with a platinum ATR diamond module (Bruker, Billerica, MA, USA). The spectra were recorded in the range of 400–4000 cm−1, at 4 cm−1 resolution with 64 scans.
3
Characterization of PVA/PVP Hydrogels
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Fourier transform infrared/attenuated total reflectance (FTIR/ATR) spectra of PVA/PVP hydrogels were obtained at room temperature using an Alpha-FTIR QuicksnapTM sampling module equipped with a Platinum ATR diamond module (Bruker, Germany) and translated by the OPUS program. The absorbance measurements were set to the range of 500–4000 cm−1.
4
FTIR Analysis of Proteinoid NCs
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FTIR measurements of proteinoid NCs and free drugs were performed by the attenuated total reflectance (ATR) technique using a Bruker Alpha-FTIR QuickSnap™ sampling module equipped with a Platinum ATR diamond module (Bruker, Berlin, Germany).
5
Characterization of Proteinoid Polymers
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The molecular
weights and PDIs of the proteinoid polymers were determined by gel
permeation chromatography (GPC) consisting of a Waters Spectra Series
P100 isocratic high-pressure liquid chromatography (HPLC) pump with
an ERMA ERC-7510 refractive index detector and a Rheodyne injection
valve (Coatati, CA) with a 20 μL loop (Waters, MA). The samples
were dissolved with superpure HPLC water (Sigma) through a linear
BioSep SEC-s3000 column (Phenomenex) at a flow rate of 1 mL/min. The
molecular weights of the proteinoids were determined relative to poly(ethylene
glycol) standards (Polymer Standards Service-USA, Silver Spring, MD,
USA) with a molecular weight range of 100–450,000 Da, bovine
plasma fibrinogen (340 kDa), and human serum albumin (67 kDa) using
Clarity chromatography software.
The absorption spectra of the
proteinoids were obtained by using a Cary 100 UV–vis spectrophotometer
(Agilent Technologies Inc.). All of the measurements were performed
in water at 25 °C. Excitation and emission spectra were recorded
using a Cary Eclipse spectrophotometer (Agilent Technologies Inc.).
FTIR measurements of the proteinoids were performed by the attenuated
total reflectance (ATR) technique using a Bruker ALPHA-FTIR QuickSnapTM
sampling module equipped with a Platinum ATR diamond module (Bruker,
Germany).
weights and PDIs of the proteinoid polymers were determined by gel
permeation chromatography (GPC) consisting of a Waters Spectra Series
P100 isocratic high-pressure liquid chromatography (HPLC) pump with
an ERMA ERC-7510 refractive index detector and a Rheodyne injection
valve (Coatati, CA) with a 20 μL loop (Waters, MA). The samples
were dissolved with superpure HPLC water (Sigma) through a linear
BioSep SEC-s3000 column (Phenomenex) at a flow rate of 1 mL/min. The
molecular weights of the proteinoids were determined relative to poly(ethylene
glycol) standards (Polymer Standards Service-USA, Silver Spring, MD,
USA) with a molecular weight range of 100–450,000 Da, bovine
plasma fibrinogen (340 kDa), and human serum albumin (67 kDa) using
Clarity chromatography software.
The absorption spectra of the
proteinoids were obtained by using a Cary 100 UV–vis spectrophotometer
(Agilent Technologies Inc.). All of the measurements were performed
in water at 25 °C. Excitation and emission spectra were recorded
using a Cary Eclipse spectrophotometer (Agilent Technologies Inc.).
FTIR measurements of the proteinoids were performed by the attenuated
total reflectance (ATR) technique using a Bruker ALPHA-FTIR QuickSnapTM
sampling module equipped with a Platinum ATR diamond module (Bruker,
Germany).
6
FTIR-ATR Analysis of Pollen and Frankfurters
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FTIR-ATR spectra of pollen powder and small portions of frankfurters enriched with pollen were recorded by using an ALPHA FTIR spectrophotometer (Bruker) equipped with a Platinum ATR diamond module. The FT-IR-ATR recording parameters were as follows: the spectral resolution was 4cm -1 ; 32 scans; absorbance mode was in the range of 400 to 4000 cm -1 . Date collection and analysis were performed using OPUS7.5 software.
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