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2.4. 1H-NMR-Spectrometry of Gelatin and Gelatin Methacrylate (GelMA)

RA Rebeca Leu Alexa
HI Horia Iovu
JG Jana Ghitman
AS Andrada Serafim
CS Cristina Stavarache
MM Maria-Minodora Marin
RI Raluca Ianchis
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The 1H-NMR spectrometry was used to determine the methacrylation degree of GelMA. In order to make the analyses, 20 mg GelMA was dissolved in 0.75 mL D2O to clear solution. The spectrum was registered on a Bruker NMR 600 MHz Advance spectrometer (Bruker BioSpin, Rheinstetten, Germany). The methacrylation degree was calculated using Equation (1):

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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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