Results 41 to 50 of about 141,998 (329)
Neutrino current in a gravitational plane wave collision background [PDF]
The behaviour of a massless Dirac field on a general spacetime background representing two colliding gravitational plane waves is discussed in the Newman-Penrose formalism.
ANDREA LUNARI +10 more
core +1 more source
From Subprime and Eurozone Crisis with Full Speed into the Next Financial Crisis
This paper offers an analysis of the road from subprime and eurozone crisis to the elements of a new systemic crisis. Our aim is to research common issues that accompany each of these crises and to explore elements that hint that the financial systems ...
Strašek Sebastjan
doaj +1 more source
G12 mutations heavily affect conformational transformation and activity of KRAS. In this study, Gaussian accelerated molecular dynamics (GaMD) simulations were performed on the GDP-bound wild-type (WT), G12A, G12D, and G12R KRAS to probe mutation ...
Shuhua Shi +3 more
doaj +1 more source
Monetary policy effects on equity returns: application of SVAR identified with high-frequency external instrument [PDF]
The purpose of this study is to examine the effects of monetary policy on equity returns by applying an alternative econometric approach. Campbell and Ammer (1993) decomposed unexpected equity excess returns into three news components: risk premium news,
Woon Wook Jang
doaj +1 more source
Role of G12 proteins in oncogenesis and metastasis [PDF]
The G12 subfamily of heterotrimeric guanine nucleotide‐binding proteins consists of two α subunits, Gα12 and Gα13. These proteins mediate signalling via G protein‐coupled receptors and have been implicated in various physiological and pathophysiological processes.
Juhi, Juneja, Patrick J, Casey
openaire +2 more sources
Prices of works of art by living and deceased artists auctioned in Poland from 1989 to 2012
Art is increasingly perceived as an investment asset among investors in Poland. In order to achieve high rates of return it is crucial to identify the main factors affecting the value of the works of art in the art market. Death of the artist seems to be
Szyszka Adrianna, Białowąs Sylwester
doaj +1 more source
Mean–variance relationship and uncertainty [PDF]
This study investigates the impact of uncertainty on the mean-variance relationship. We find that the stock market's expected excess return is positively related to the market's conditional variances and implied variance during low uncertainty periods ...
Jun Sik Kim
doaj +1 more source
The Structural Basis of Oncogenic Mutations G12, G13 and Q61 in Small GTPase K-Ras4B
Ras mediates cell proliferation, survival and differentiation. Mutations in K-Ras4B are predominant at residues G12, G13 and Q61. Even though all impair GAP-assisted GTP → GDP hydrolysis, the mutation frequencies of K-Ras4B in human cancers vary. Here we
Shaoyong Lu +3 more
semanticscholar +1 more source
Hydrodynamic transport functions from quantum kinetic theory [PDF]
Starting from the quantum kinetic field theory [E. Calzetta and B. L. Hu, Phys. Rev. D37, 2878 (1988)] constructed from the closed-time-path (CTP), two-particle-irreducible (2PI) effective action we show how to compute from first principles the shear and
A. Campos +56 more
core +2 more sources
Myogenic vasoconstriction is an autoregulatory function of small arteries. Recently, G-protein-coupled receptors have been involved in myogenic vasoconstriction, but the downstream signalling mechanisms and the in-vivo-function of this myogenic ...
Ramesh Chennupati +10 more
semanticscholar +1 more source

