Results 31 to 40 of about 12,487 (187)

Mechanisms for Reversible Regulation between G13 and Rho Exchange Factors [PDF]

open access: yesJournal of Biological Chemistry, 2002
The heterotrimeric G proteins, G(12) and G(13), mediate signaling between G protein-coupled receptors and the monomeric GTPase, RhoA. One pathway for this modulation is direct stimulation by Galpha(13) of p115 RhoGEF, an exchange factor for RhoA. The GTPase activity of both Galpha(12) and Galpha(13) is increased by the N terminus of p115 Rho guanine ...
Clark D, Wells   +7 more
openaire   +2 more sources

Pricing the exotic: Path-dependent American options with stochastic barriers

open access: yesLatin American Journal of Central Banking, 2021
We develop a novel pricing strategy that approximates the value of an American option with exotic features through a portfolio of European options with different maturities. Among our findings, we show that: (i) our model is numerically robust in pricing
Alejandro Rojas-Bernal   +1 more
doaj   +1 more source

Purification and characterization of the alpha subunit of G13.

open access: yesJournal of Biological Chemistry, 1994
Specific antisera were produced to peptides representing the carboxyl terminus of alpha 13, a recently identified alpha subunit of the heterotrimeric guanine nucleotide-binding proteins (G proteins). Immunodetection with the antisera indicated that the 43-kDa protein is expressed ubiquitously at low levels (0.005-0.05% of membrane protein) in tissues ...
W D, Singer, R T, Miller, P C, Sternweis
openaire   +2 more sources

Investors’ net buying pressure and implied volatility dynamics

open access: yesBorsa Istanbul Review, 2022
This study reexamines the influence of different investor types' net options demand on the KOSPI200 options-implied volatility dynamics. We extend Bollen and Whaley (2004) by accounting for options traders' hedging demand for futures contracts, intraday ...
Doojin Ryu   +3 more
doaj   +1 more source

Market reactions to trade friction between China and the United States: Evidence from the soybean futures market

open access: yesJournal of Management Science and Engineering, 2023
In March 2018, the US used an immense trade deficit as an excuse to provoke trade friction with China. This study uses the EGARCH model and event study methods to study the impact of the major risk event of Sino-US trade friction on soybean futures ...
Tian Wen, Ping Li, Lei Chen, Yunbi An
doaj   +1 more source

Purification of the G-protein G13 from rat brain membranes [PDF]

open access: yesBiochemical Journal, 1994
Significant amounts of G13, a member of the recently described G12-subfamily of heterotrimeric G-proteins, have been detected in rat brain membranes by specific antisera. The alpha-subunits of G13 (G alpha 13) were purified by using a combination of conventional and subunit-exchange chromatography.
R, Harhammer   +3 more
openaire   +2 more sources

Asimetría y curtosis en el modelo binomial para valorar opciones reales: caso de aplicación para empresas de base tecnológica

open access: yesEstudios Gerenciales, 2013
El trabajo propone un modelo de valoración de opciones reales con base en el modelo binomial utilizando la transformación de Edgeworth (Rubinstein, 1998) para incorporar momentos estocásticos de orden supe- rior, especialmente para ciertos tipos de ...
Gastón Silverio Milanesi
doaj   +1 more source

Term structure of interest rates with short-run and long-run risks

open access: yesJournal of Finance and Data Science, 2022
We find that interest rate variance risk premium (IRVRP) — the difference between implied and realized variances of interest rates — is a strong predictor of U.S.
Olesya V. Grishchenko   +2 more
doaj   +1 more source

Eco‐Innovation, Economic Complexity, and Sustainability: A Bibliometric and Systematic Literature Review

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT This study systematizes the literature on eco‐innovation and economic complexity, aiming to understand how the sophistication of productive structures shapes countries' capacity to develop environmentally responsible innovations, and how eco‐innovation may, in turn, influence productive sophistication.
Gregory Matheus Pereira de Moraes   +1 more
wiley   +1 more source

Predictive Assessment of Progressive Damage in Mechanically Fastened Glass–Epoxy Composites

open access: yesPolymer Composites, EarlyView.
Progressive damage in mechanically fastened glass–epoxy composites. ABSTRACT Ensuring the structural integrity of advanced composites necessitates precise methodologies for forecasting the onset and progression of damage. This research focused on the predicting progressive damage (PD) for riveted joints composite laminates employing a combined ...
Nabi Mehri Khansari   +2 more
wiley   +1 more source

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