Lithium, sodium, potassium and calcium amine-bis(phenolate) complexes in the ring-opening polymerization of rac-lactide

2020 ◽  
Vol 49 (5) ◽  
pp. 1531-1544 ◽  
Author(s):  
Katalin Devaine-Pressing ◽  
Fabio J. Oldenburg ◽  
Jan P. Menzel ◽  
Maximilian Springer ◽  
Louise N. Dawe ◽  
...  
Keyword(s):  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Sodium Potassium ◽  
Maldi Tof Ms ◽  
Maldi Tof ◽  
Tof Ms ◽  
Lactide Polymerization

Li, Na, K and Ca complexes capable of rac-lactide polymerization in both the melt and in solution were synthesized. MALDI-TOF MS showed mainly cyclic PLA was obtained even in the presence of an alcohol co-initiator.

Insights into the mechanism for ring-opening polymerization of lactide catalyzed by Zn(C6F5)2/organic superbase Lewis pairs

2016 ◽  
Vol 6 (21) ◽  
pp. 7763-7772 ◽  
Author(s):  
Xiao-Qing Li ◽  
Bin Wang ◽  
He-Yuan Ji ◽  
Yue-Sheng Li
Keyword(s):  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Experimental Results ◽  
Maldi Tof Ms ◽  
Maldi Tof ◽  
Good Consistency ◽  
Plausible Mechanism ◽  
Tof Ms ◽  
Lewis Pairs

A plausible mechanism for ring-opening polymerization of lactide catalyzed by Zn(C6F5)2-based Lewis pairs was proposed based on in situ NMR and MALDI-TOF MS analyses. Several experimental results show very good consistency with the proposed mechanism.

scholarly journals Magnesium amino-bis(phenolato) complexes for the ring-opening polymerization of rac-lactide

2015 ◽  
Vol 44 (27) ◽  
pp. 12365-12375 ◽  
Author(s):  
Katalin Devaine-Pressing ◽  
Joshua H. Lehr ◽  
Michelle E. Pratt ◽  
Louise N. Dawe ◽  
Amy A. Sarjeant ◽  
...  
Keyword(s):  
Ring Opening ◽  
Elevated Temperatures ◽  
Group Analysis ◽  
Ring Opening Polymerization ◽  
Maldi Tof ◽  
Magnesium Complexes ◽  
End Group ◽  
Lactide Polymerization

Magnesium complexes capable of rac-lactide polymerization in both the melt and in solution at elevated temperatures were synthesized. End-group analysis by MALDI-TOF showed both linear and cyclic PLA.

895: Proteomic Analysis of Sera from Bladder Cancer Patients with MALDI-TOF-MS

2007 ◽  
Vol 177 (4S) ◽  
pp. 297-297
Author(s):  
Kristina Schwamborn ◽  
Rene Krieg ◽  
Ruth Knüchel-Clarke ◽  
Joachim Grosse ◽  
Gerhard Jakse
Keyword(s):  
Bladder Cancer ◽  
Cancer Patients ◽  
Proteomic Analysis ◽  
Maldi Tof Ms ◽  
Maldi Tof ◽  
Tof Ms

HPTLC-MALDI/TOF/MS vs. HPLC-ESI/MS2 for identification to flavonoids in plant extracts

Planta Medica ◽  
2016 ◽  
Vol 81 (S 01) ◽  
pp. S1-S381
Author(s):  
L Fougère ◽  
D Da Silva ◽  
E Destandau ◽  
C Elfakir
Keyword(s):  
Plant Extracts ◽  
Maldi Tof Ms ◽  
Maldi Tof ◽  
Tof Ms

Infektionserreger beim Schwein – Analyse des kultivierbaren Mikrobioms mittels MALDI-TOF MS

2017 ◽  
Author(s):  
M Erhard ◽  
M Metzner ◽  
D Köhler-Repp ◽  
B Köhler ◽  
R Storandt
Keyword(s):  
Maldi Tof Ms ◽  
Maldi Tof ◽  
Tof Ms

Quantitative metabolomics of Iranian saffron based on their HPLC-DAD and MALDI-TOF-MS

2019 ◽  
Author(s):  
M Hooshyari ◽  
H Rezadoost ◽  
P Ghezellou ◽  
A Ghassempour
Keyword(s):  
Maldi Tof Ms ◽  
Quantitative Metabolomics ◽  
Maldi Tof ◽  
Tof Ms
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