Results 141 to 150 of about 1,209,011 (266)

Melt block copolymerization of ε-caprolactone and L-lactide [PDF]

open access: yes, 1997
AB block copolymers of ε-caprolactone and (L)-lactide could be prepared by ring-opening polymerization in the melt at 110°C using stannous octoate as a catalyst and ethanol as an initiator provided ε-caprolactone was polymerized first.
Dijkstra, Pieter J.   +5 more
core   +1 more source

The Regulation of Trace Metal Elements in Cancer Ferroptosis

open access: yesAdvanced Biology, EarlyView.
The induction of ferroptosis inhibits tumor growth, enhances anticancer efficacy, and overcomes drug resistance. Recent evidence shows nonferrous metal elements play a role in ferroptosis. This review focuses on how trace metals regulate ferroptosis processes like iron accumulation, lipid peroxidation, and antioxidant defense.
Xiaoyan Wang   +5 more
wiley   +1 more source

Process for interfacial polymerization of pyromellitic dianhydride and 1,2,4, 5-tetraamino-benzene Patent [PDF]

open access: yes, 1970
Process for interfacial polymerization of pyromellitic dianhydride and tetraamino ...
Bell, V. L., Jr.
core   +1 more source

Supramolecular systems and their connection with metal–organic structures

open access: yesFrontiers in Chemistry
Supramolecular structures with specific applications are a pillar in several areas of science. Thus, from a contemporary point of view, there are several reasons to embrace a systematic order of the supramolecular concept itself.
Rodrigo Cué-Sampedro   +1 more
doaj   +1 more source

Effective Polymer Dynamics of D-Dimensional Black Hole Interiors

open access: yes, 2009
We consider two different effective polymerization schemes applied to D-dimensional, spherically symmetric black hole interiors. It is shown that polymerization of the generalized area variable alone leads to a complete, regular, single-horizon spacetime
Ari Peltola   +7 more
core   +1 more source

Alkane Elimination Preparation of Heterobimetallic MoAl Tetranuclear and Binuclear Complexes Promoting THF Ring Opening

open access: yesInorganics
We report a straightforward alkane elimination strategy to prepare well-defined heterobimetallic Al/Mo species. Notably, the reaction of the monohydride complex of molybdenum, Cp*MoH(CO)3, with triisobutyl aluminum affords a new heterobimetallic [MoAl]2 ...
Léon Escomel   +3 more
doaj   +1 more source

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