Results 1 to 10 of about 27,048 (307)

Fertility and the Plough [PDF]

open access: yesSSRN Electronic Journal, 2011
This paper provides evidence that the form of agriculture traditionally practiced—intensive plough agriculture versus shifting hoe agriculture—affected historic norms and preferences about fertility, and that these norms persist, affecting observed fertility around the world today.
Alesina, Alberto   +2 more
core   +13 more sources

Economics of forest biomass for bioenergy: potential site preparation savings from coarse woody harvesting residue removal in a short-rotation Eucalyptus globulus (Labill.) plantation [PDF]

open access: yesSilva Balcanica, 2021
The study used time studies and cost analysis to assess potential economic benefits from site preparation cost reductions resulting from producing coarse woody harvesting residue (CWHR) for bioenergy. In contrast, previous studies have predominantly used
Martin Strandgard, Mathieu Béland
doaj   +3 more sources

Improving the performance of a ploughing tractor by means of an auxiliary carriage with motorized axle

open access: yesJournal of Agricultural Engineering, 2021
The article describes the analysis of results from field tests on ploughing units based on a modular draft device (MDD). This device is named MDD-100 and consists of an energy module and a technological module.
Volodymyr Bulgakov   +3 more
doaj   +1 more source

Understanding social needs in pregnancy: Prospective validation of a digital short-form screening tool and patient surveyAJOG Global Reports at a Glance

open access: yesAJOG Global Reports, 2023
BACKGROUND: Social determinants of health significantly affect health outcomes, yet are infrequently addressed in prenatal care. OBJECTIVE: This study aimed to improve the efficiency and experience of addressing social needs in pregnancy through: (1 ...
Alex F. Peahl, MD, MSc   +7 more
doaj   +1 more source

Thematic review series: Lipid Posttranslational Modifications. Farnesyl transferase inhibitors

open access: yesJournal of Lipid Research, 2006
Some proteins undergo posttranslational modification by the addition of an isoprenyl lipid (farnesyl- or geranylgeranyl-isoprenoid) to a cysteine residue proximal to the C terminus.
Andrea D. Basso   +2 more
doaj   +1 more source

Basic and Translational Research on Proteinase-Activated Receptors: Antagonism of the Proteinase-Activated Receptor 1 for Thrombin, a Novel Approach to Antiplatelet Therapy for Atherothrombotic Disease

open access: yesJournal of Pharmacological Sciences, 2008
Atherothrombotic disease is a leading public health problem. Although current antiplatelet agents, such as aspirin and adenosine diphosphate (ADP)-receptor antagonists, reduce the morbidity and mortality associated with atherothrombotic disease, the ...
Madhu Chintala   +5 more
doaj   +1 more source

Two-Stage PCR Protocol Allowing Introduction of Multiple Mutations, Deletions and Insertions Using QuikChangeTM Site-Directed Mutagenesis

open access: yesBioTechniques, 1999
We developed a two-stage procedure, based on the QuikChangeTM Site-Directed Mutagenesis Protocol, that significantly expands its application to a variety of gene modification experiments.
Wenyan Wang, Bruce A. Malcolm
doaj   +1 more source

Kinetic Assessment and Therapeutic Modulation of Metabolic and Inflammatory Profiles in Mice on a High-Fat and Cholesterol Diet

open access: yesPPAR Research, 2010
The kinetics of metabolic and inflammatory parameters associated with obesity were evaluated in a murine diet-induced obesity (DIO) model using a diet high in fat and cholesterol.
Laura W. Engstrom   +15 more
doaj   +1 more source

Cloning and characterization of the hamster and guinea pig nicotinic acid receptors

open access: yesJournal of Lipid Research, 2007
In this study, we present the identification and characterization of hamster and guinea pig nicotinic acid receptors. The hamster receptor shares ∼80–90% identity with the nucleotide and amino acid sequences of human, mouse, and rat receptors. The guinea
April Smith Torhan   +3 more
doaj   +1 more source

Biomarkers of Disease and Treatment in Murine and Cynomolgus Models of Chronic Asthma

open access: yesBiomarker Insights, 2012
Background Biomarkers facilitate early detection of disease and measurement of therapeutic efficacy, both at clinical and experimental levels. Recent advances in analytics and disease models allow comprehensive screening for biomarkers in complex ...
Jennifer Louten   +11 more
doaj   +1 more source

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