2017
DOI: 10.17488/rmib.38.1.17
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Principal Components by FTIR Spectroscopy as Innovative Characterization Technique during Differentiation of Pluripotent Stem Cells to Pancreatic Cells

Abstract: RESUMENDos de los grandes retos en la biología de las Células Madre (CM) y la Medicina Regenerativa, son el control en la diferenciación de estas células y asegurar la pureza de las células diferenciadas, por lo que es necesario contar con técnicas rápidas, eficientes y precisas para la caracterización de CM y su diferenciación a diferentes linajes celulares. El objetivo de este trabajo fue analizar Células Madre Pluripotentes (CMP) y Células Pancreáticas Diferenciadas (CPD) mediante espectroscopía Infrarroja … Show more

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Cited by 3 publications
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“…41−45 The peak attributed to COO− stretching vibrations at 1385 cm −1 corresponds to the amino acid side chains. 46 The band at 3266 cm −1 corresponding to amide A was attributed to the interaction between the vibrational modes of the N−H bond and amide II (Figure 3a). 41,43,47 Next, deconvolution was performed in the 1500−1800 cm −1 region, and an amide II band at 1573 cm −1 , corresponding to the N−H bending vibrational modes with a contribution from the C−N stretching vibrational mode, 42,45,47,48 and an amide I band at 1625 cm −1 , corresponding to the stretching vibrational modes of the C�O bonds of the peptide group, were observed (Figure 3b).…”
Section: ■ Results and Discussionmentioning
confidence: 99%
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“…41−45 The peak attributed to COO− stretching vibrations at 1385 cm −1 corresponds to the amino acid side chains. 46 The band at 3266 cm −1 corresponding to amide A was attributed to the interaction between the vibrational modes of the N−H bond and amide II (Figure 3a). 41,43,47 Next, deconvolution was performed in the 1500−1800 cm −1 region, and an amide II band at 1573 cm −1 , corresponding to the N−H bending vibrational modes with a contribution from the C−N stretching vibrational mode, 42,45,47,48 and an amide I band at 1625 cm −1 , corresponding to the stretching vibrational modes of the C�O bonds of the peptide group, were observed (Figure 3b).…”
Section: ■ Results and Discussionmentioning
confidence: 99%
“…The band at 1104 cm –1 was attributed to the stretching vibration of C–N and the bending vibration of the C–H bond of histidine (His) (Figure a) . The amide III band at 1237 cm –1 corresponded to the bending and stretching vibrational modes of N–H and C–N bonds, with a small contribution from the in-plane C–O bending vibrational modes and N–H stretching vibrational modes. The peak attributed to COO– stretching vibrations at 1385 cm –1 corresponds to the amino acid side chains . The band at 3266 cm –1 corresponding to amide A was attributed to the interaction between the vibrational modes of the N–H bond and amide II (Figure a). ,, …”
Section: Resultsmentioning
confidence: 99%
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