Results 51 to 60 of about 47,678 (217)

Friedmann limits of rotating hypersurface-homogeneous dust models

open access: yes, 2001
The existence of Friedmann limits is systematically investigated for all the hypersurface-homogeneous rotating dust models, presented in previous papers by this author. Limiting transitions that involve a change of the Bianchi type are included.
Andrzej Krasiński   +3 more
core   +1 more source

Ganoderma tsugae Induces S Phase Arrest and Apoptosis in Doxorubicin-Resistant Lung Adenocarcinoma H23/0.3 Cells via Modulation of the PI3K/Akt Signaling Pathway

open access: yesEvidence-Based Complementary and Alternative Medicine, 2012
Ganoderma tsugae (GT) is a traditional Chinese medicine that exhibits significant antitumor activities against many types of cancer. This study investigated the molecular mechanism by which GT suppresses the growth of doxorubicin-resistant lung ...
Yang-Hao Yu   +10 more
semanticscholar   +1 more source

Adopting an Integrated Strategy in Local Policy Design: Agenda Content Diversity, Policy Capacities, and Policy Feedback Effects in Urban Policies as Multi‐Level Policy Mixes: The Urban Dimension of the European Union Cohesion Policy in Spain (1994–2020)

open access: yesEuropean Policy Analysis, EarlyView.
ABSTRACT Policy integration is seen as an appropriate strategy to address urban problems and promote sustainable urban development objectives. The European Union (EU) has been including this strategy as an essential aspect of its urban initiatives since the 1990s.
María José Dorado‐Rubín   +2 more
wiley   +1 more source

Electrochemical Performances of Electroactive Nano-LayeredOrganic-Inorganic Perovskite Containing Trivalent Iron Ion and its Use for a DNA Biosensor Preparation

open access: yesInternational Journal of Analytical Chemistry, 2010
A steady nano organic-inorganic perovskite hybrid with [H23-AMP]3/2Fe(CN)6 (3-AMP = 3-methylaminopyridine) was prepared in the air. The structure is an unusual layered organic-inorganic type. The resulting hybrid enveloped in paraffin to prepare [H23-AMP]
Jing Wu   +3 more
doaj   +1 more source

Dexamethasone pretreatment impairs the thymidylate synthase inhibition mediated flare in thymidine salvage pathway activity in non-small cell lung cancer. [PDF]

open access: yesPLoS ONE, 2018
INTRODUCTION:Successful inhibition of thymidylate synthase (TS) by pemetrexed, a TS inhibitor, results in a reproducible transient burst or "flare" in thymidine salvage pathway activity at 2 hrs.
Xiao Chen, Yizeng Yang, Sharyn I Katz
doaj   +1 more source

The Three Node Wireless Network: Achievable Rates and Cooperation Strategies

open access: yes, 2005
We consider a wireless network composed of three nodes and limited by the half-duplex and total power constraints. This formulation encompasses many of the special cases studied in the literature and allows for capturing the common features shared by ...
Gamal, Hesham El, Lai, Lifeng, Liu, Ke
core   +3 more sources

Myths and Realities about Online Forums in Open Source Software Development: An Empirical Study [PDF]

open access: yes, 2015
The use of free and open source software (OSS) is gaining momentum due to the ever increasing availability and use of the Internet. Organizations are also now adopting open source software, despite some reservations, in particular regarding the provision
Ahmad Jaffar   +4 more
core   +1 more source

The Practices and Challenges of Indigenizing Dental and Dental Hygiene Education in Canada

open access: yesJournal of Dental Education, EarlyView.
ABSTRACT Objectives To explore the extent to which Indigenous content is taught in dental and dental hygiene curricula across Canada and to identify their objectives, delivery methods, barriers, and facilitators. Methods A descriptive cross‐sectional design was utilized via an anonymous survey developed using the Qualtrics platform.
Parisa Shokouhi   +4 more
wiley   +1 more source

Environmental Fiscal Policies and the Double-Dividend Hypothesis: A Dynamic CGE-OLG Analysis in Tunisia

open access: yesECONOMICS
The nexus between environmental sustainability and economic growth poses a considerable challenge for developing economies. Environmental fiscal policies offer potential solutions, yet their efficacy remains underexplored in nations such as Tunisia. This
Zaghdoud Oussama
doaj   +1 more source

Clean relaying aided cognitive radio under the coexistence constraint

open access: yes, 2011
We consider the interference-mitigation based cognitive radio where the primary and secondary users can coexist at the same time and frequency bands, under the constraint that the rate of the primary user (PU) must remain the same with a single-user ...
Hong, Y. -W. Peter   +3 more
core   +1 more source

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