infrared spectroscopy
Feasibility of near infrared spectroscopy in stroke patients
... Background: The physiology behind a stroke is a sudden ischemic event in the brain. Near infrared spectroscopy (NIRS) is a non-invasive means of measuring cerebral perfusion in real time. Due to its rapid ...
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Application of Infrared Spectroscopy in Honey Analysis
... is infrared spectroscopy (IR), a type of vibrational spectrosocpy, where molecular vibrations are being ...analyzed. Infrared spectrum of an organic compound provides a unique i ngerprint, which is ...
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Polymeric sample holders for infrared spectroscopy of aqueous or organic liquid systems.
... FOR INFRARED SPECTROSCOPY OF AQUEOUS OR OR- GANIC LIQUID ...SYSTEMS. Infrared spectroscopy laboratories works under permanent care with respect to water contamination, mainly in liquid ...
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Fecal near infrared spectroscopy to discriminate physiological status in giant pandas.
... Walker et al. [36] found that although spectral differences in domestic goat (Capra hircus) feces were affected by age, breed, and sex; the dominant factor was diet. The giant pandas in our study consumed a mix of bamboo ...
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Cashew apple quality by near infrared spectroscopy technique
... The cashew tree (Anacardium occidentale L.) is a plant with great economic importance for the Brazilian Northeast, due to diversity of products and the amount of jobs generated. Growing demand for healthy products ...
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USE OF NEAR INFRARED SPECTROSCOPY TO DISTINGUISH
... near infrared spectroscopy (NIRS) has shown a rapid and accurate technique for evaluation of materials of biological ...near infrared (NIR) spectroscopy associated to the Principal Component ...
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USING NEAR INFRARED SPECTROSCOPY Silviana Rosso1 , Graciela Ines Bolzon de Muniz2
... ABSTRACT: This study aimed to analyze use of near infrared spectroscopy (NIRS) to estimate wood density of Eucalyptus grandis. For that, 66 27-year-old trees were logged and central planks were removed from ...
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A diagnostic tool for assessing the conservation condition of cellulose nitrate and acetate in heritage collections: quantifying the degree of substitution by infrared spectroscopy
... that infrared spectroscopy is a powerful tool to calculate DS in cellulose acetate [7], calibration curves were based on infrared spec- tral ...Transform Infrared Spectroscopy ...
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Chlorococcalean microalgae Ankistrodesmus convolutes biodiesel characterization with Fourier transform-infrared spectroscopy and gas chromatography mass spectroscopy techniques
... The Fourier Transform-Infrared Spectroscopy is the standard method to study the functional group of both reactant and product obtained. The IR Spectrum Ankistrodesmus convolutes oil and biodiesel was shows ...
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Infrared Spectroscopy of Titania Sol-Gel Coatings on 316L Stainless Steel
... Backscattering Spectroscopy data, the authors concluded that the intermediate layer formed between the silica film and the steel substrate is respon- sible for the increase of the corrosion resistance of the ...
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Espectroscopia de infravermelho próximo para predição de propriedades da madeira de híbridos de Eucalyptus spp.
... near-infrared spectroscopy (NIRS) techniques have shown that important physical, chemical, and pulp properties of wood can be estimated rapidly without any destructive sampling of ...
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Mat. Res. vol.16 número2
... Relaxation, Infrared Spectroscopy and Size Exclusion Chromatography were used to study changes of molar mass and chemical structure in samples of PHB after common industrial processing, such as extrusion, ...
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Quím. Nova vol.40 número4
... mid infrared spectroscopy (MIR) was used to calculate the monomers’ degree of conversion (%DC); as well as simultaneous Thermogravimetric Analysis – Differential Thermal Analysis (TGA-DTA) and Differential ...
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Rev. Esc. Minas vol.64 número1
... The phosphated samples were heat- treated and analyzed again using the same Fourier transform infrared spectroscopy technique. The objective of the heat treat- ment was to verify the changes, which could ...
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Characterization and DC Conductivity of Novel CuO doped Polyvinyl Alcohol (PVA) Nano-composite Films
... Transform Infrared Spectroscopy (FT-IR), Scanning Electron Microscopy (SEM) and Energy Dispersive X-ray Spectroscopy (EDXS); which confirmed the presence of CuO in polyvinyl alcohol and the formation ...
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Braz. J. Chem. Eng. vol.33 número3
... Figure 5: Fourier transform infrared spectroscopy (FTIR) of the magnetic nanoparticles (MNPs) and MNPs after functionalization with 3-aminopropyl triethoxysilane (APTES) and Candida[r] ...
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J. Braz. Chem. Soc. vol.21 número3
... of infrared spectroscopy in conjunction with chemometric methods for quality control in adhesive ...105 infrared spectra of pressure- sensitive adhesive samples of different formulations, employing ...
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J. Braz. Chem. Soc. vol.23 número11
... on infrared spectroscopy, mass spectrometry, one- and two-dimensional nuclear magnetic resonance, along with comparison with spectral data described in the ...
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J. Braz. Chem. Soc. vol.24 número4
... Fourier-transformed infrared spectroscopy (FTIR), differential scanning calorimetry (DSC) and thermo-optical analysis (TOA) were used to study possible interactions between these drugs, aiming the ...
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J. Braz. Chem. Soc. vol.26 número4
... mid-infrared spectroscopy in combination with multivariate technique using PLS2-DA classified with 100% efficiency samples of biodiesel in relation to the type of oil and the alcohol used in their ...
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