Organic Thin Film Transistor Material, Organic Thin Film Transistor, Field-Effect Transistor, Switching Element, Organic Semiconductor Material and Organic Semiconductor Film
申请人:Katakura Rie
公开号:US20080121873A1
公开(公告)日:2008-05-29
An objective is to provide an organic thin film transistor material exhibiting an excellent property as a transistor together with reduced aging degradation, and also to provide an organic thin film transistor, a field-effect transistor, a switching element, an organic semiconductor material and an organic semiconductor film employing the organic thin film transistor material. Disclosed is an organic thin film transistor material possessing a compound represented by the following Formula (1).
where A composed of a condensed ring formed with a 6 membered aromatic cycle or a 6 membered aromatic heterocycle represents C—R, N or P; at least one of As is N or P; R represents a hydrogen atom, a halogen atom or a substituent; and R may be bonded with other Rs with each other to form a ring.
POLARIZATION SOURCE FOR DYNAMIC NUCLEAR POLARIZATION, COMPOSITION, COMPOSITION FOR DYNAMIC NUCLEAR POLARIZATION, METHOD FOR HYPERPOLARIZATION, HYPERPOLARIZED SUBSTANCE AND NMR MEASUREMENT METHOD
申请人:KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
公开号:US20220146606A1
公开(公告)日:2022-05-12
Provided is a polarization source having high oxygen resistance and capable of stably transitioning the spin polarization of electron to nucleus even in an environment where oxygen exists. A polarization source for dynamic nuclear polarization containing a molecule represented by the following general formula. One to six of Z
1
to Z
10
each represent N, and the others each independently represent C—R. R represents a hydrogen atom or a substituent. n represents an integer of 1 to 4.
COMPOSITIONS COMPRISING HYPERPOLARIZED PROBES FOR H2O2 SENSING AND METHODS OF USING SAME
申请人:Duke University
公开号:US20220378952A1
公开(公告)日:2022-12-01
Provided are molecular probes for hyperpolarized
15
N magnetic resonance spectroscopic imaging (MRSI) and their use for detecting reactive species (e.g., hydrogen peroxide) and imaging of oxidative stress. In particular,
15
N-boronobenzyl-4-cyanopyridinium (
15
N-BBCP) demonstrated highly favorable physicochemical and hyperpolarization properties, including long spin-lattice relaxation time (T
1
) and distinguishable
15
N chemical shift signals, that make it an effective reaction-based sensing probe for non-invasive, real-time detection of H
2
O
2
.