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1	ERAS for Cardiac Surgery: Development of a Clinical Practice Guideline for Antifibrinolytic Administration in Cardiac Surgery Foltz, Christopher Thomas 24 April 2022 (has links) No description available. Health Health Sciences Nursing Surgery Medicine Tranexamic Acid TXA Antifibrinolytic Blood conservation Epsilon Aminocaproic Acid Amicar Cardiac Surgery ERAS
2	Studium interakcí hyaluronan-aminokyseliny / Study of interactions of hyaluronan-amino acids Jugl, Adam January 2016 (has links) The master´s thesis deals with the study of the interaction between the polysaccharide hyaluronan of diffrerent molecular weights with the amino acids arginine, lysine, arginine hydrochloride and 6-aminocaproic acid. They are expected interaction between carboxyl groups of hyaluronan and amino groups of amino acids. These interactions were investigated by using ultrasonic spectroscopy, DLS, measuring pH and conductivity. Obtained results were compared with sodium polystyrene sulfonate. With ultrasonic spectroscopy was observed a change of concentration inkrement for titration of amino acid to water or polymers solutions especially for high molecular weight hyaluronan and for NaPSS in combination with 6AKK in concentration range of added amino acid 0–30 mM. The size of this change could mean a degree of interaction between polymers and amino acids. This theory has not been confirmed by other methods. By pH and conductivity measurements interations between arginine and low molecular weight hyaluronan and NaPSS were only confirmed. There was no possibility to make unequivocal conclusions from determination of particle size and zeta potential by DLS. Overall, the issue of the interaction of amino acids with polyanions was proved above expectations complex and will be appropriate to further expand the observations made in this thesis.
3	Polyamide 6/silica hybrid materials by a coupled polymerization reaction Kaßner, Lysann, Nagel, Kevin, Grützner, R.-E., Korb, Marcus, Rüffer, Tobias, Lang, Heinrich, Spange, Stefan 15 February 2016 (has links) (PDF) Polyamide 6/SiO2 hybrid materials were produced by a coupled polymerization reaction of three monomeric components namely 1,1′,1′′,1′′′-silanetetrayltetrakis-(azepan-2-one) (Si(ε-CL)4), 6-aminocaproic acid (ε-ACA) and ε-caprolactam (ε-CL) within one process. Si(ε-CL)4 together with ε-ACA has been found suitable as a precursor monomer for the silica and PA6 components. The accurate adjustment of the molar ratio of both components, as well as the combination of the overall process for producing the polyamide 6/SiO2 hybrid material with the hydrolytic ring opening polymerization of ε-caprolactam is of great importance to achieve homogeneous products with a low extractable content. Water in comparison with ε-ACA has been found unsuitable as an oxygen source to produce uniformly distributed silica. The procedure was carried out in a commercial laboratory autoclave at 8 bar initial pressure. The molecular structure and morphology of the hybrid materials have been investigated by solid state 29Si and 13C NMR spectroscopy, DSC and FTIR spectroscopy and electron microscopy measurements. / Dieser Beitrag ist aufgrund einer (DFG-geförderten) Allianz- bzw. Nationallizenz frei zugänglich. Polyamid 6 Siliciumdioxid Hybridmaterial gekoppelte Polymerisation Komposit ε-Caprolactam ε-Aminopronsäure Polyamide 6 silica hybrid material coupled polymerization reaction composit ε-caprolactam ε-Aminocaproic acid ddc:540 Polyamid 6 Siliciumdioxid Hybridwerkstoff
4	Polyamide 6/silica hybrid materials by a coupled polymerization reaction Kaßner, Lysann, Nagel, Kevin, Grützner, R.-E., Korb, Marcus, Rüffer, Tobias, Lang, Heinrich, Spange, Stefan 15 February 2016 (has links) Polyamide 6/SiO2 hybrid materials were produced by a coupled polymerization reaction of three monomeric components namely 1,1′,1′′,1′′′-silanetetrayltetrakis-(azepan-2-one) (Si(ε-CL)4), 6-aminocaproic acid (ε-ACA) and ε-caprolactam (ε-CL) within one process. Si(ε-CL)4 together with ε-ACA has been found suitable as a precursor monomer for the silica and PA6 components. The accurate adjustment of the molar ratio of both components, as well as the combination of the overall process for producing the polyamide 6/SiO2 hybrid material with the hydrolytic ring opening polymerization of ε-caprolactam is of great importance to achieve homogeneous products with a low extractable content. Water in comparison with ε-ACA has been found unsuitable as an oxygen source to produce uniformly distributed silica. The procedure was carried out in a commercial laboratory autoclave at 8 bar initial pressure. The molecular structure and morphology of the hybrid materials have been investigated by solid state 29Si and 13C NMR spectroscopy, DSC and FTIR spectroscopy and electron microscopy measurements. / Dieser Beitrag ist aufgrund einer (DFG-geförderten) Allianz- bzw. Nationallizenz frei zugänglich. info:eu-repo/classification/ddc/540 ddc:540

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