Results 81 to 90 of about 928,829 (332)

Potato Productivity Response to Potassium Fertilizer Source and Rate in Oregon’s Columbia Basin

open access: yesAgronomy
Potatoes require high potassium (K) fertilization for good yields, especially in Oregon’s Columbia Basin, but little is known about how K rate and source affect potatoes.
Shahram Torabian   +7 more
doaj   +1 more source

Modified newtonian dynamics and non-relativistic ChSAS gravity

open access: yes, 2018
In the context of the non-relativistic theories, a generalization of the Chern--Weil-theorem allows us to show that extended Chern--Simons actions for gravity in d=4 invariant under some specific non-relativistic groups lead to modified Poisson equations.
Rubio, G., Salgado, P.
core   +1 more source

Advanced 3D Platforms for Modeling CNS Neuroinflammation: Cell Integration, Techniques, and Challenges

open access: yesAdvanced Healthcare Materials, EarlyView.
This review summarizes the roles of key central nervous system cell types, the extracellular matrix, and the blood‐brain barrier in neuroinflammation, and their integration into diverse 3D culture systems. It examines major incorporation strategies, including direct co‐culture, hydrogel encapsulation, transwell migration assays, and bioprinting ...
Emmanuelle D. Aiyegbusi   +2 more
wiley   +1 more source

Effects of aging on the function of the urinary system: longitudinal changes with age in selected urine parameters in a hospitalized population of older adults

open access: yesAnthropological Review, 2016
Although normal aging does not have a pernicious effect on the homeostasis of fluids, renal reserve in elderly people can be depleted. The purpose of the present study was to assess the relationship between longitudinal changes with age in basic urine ...
Chmielewski Piotr   +5 more
doaj   +1 more source

Black Hole Production in Particle Collisions and Higher Curvature Gravity

open access: yes, 2004
The problem of black hole production in transplanckian particle collisions is revisited, in the context of large extra dimensions scenarios of TeV-scale gravity.
A. Jevicki   +39 more
core   +2 more sources

Development of a Synthetic Hydrogel to Foster Microvascularization of an Endometriosis Microphysiological System

open access: yesAdvanced Healthcare Materials, EarlyView.
ABSTRACT The ascent of novel alternative methods in drug development spotlights the dual needs for improved biological fidelity to in vivo, along with reproducibility, especially in regulatory applications. The need for pre‐clinical models of patient‐derived endometriosis lesions motivates the development of a vascularizable, completely synthetic ...
Lauren Pruett   +7 more
wiley   +1 more source

Variation in specific gravity and shrinkage of tapped rubberwood

open access: yesMaderas: Ciencia y Tecnología
Hevea brasiliensis (rubber tree), a major source of natural rubber, could also be an important source of lumber as senescence occurs. However, latex collection is known to affect Hevea brasiliensis (rubber tree) wood formation and consequently, wood ...
Ighoyivwi Onakpoma   +5 more
doaj   +1 more source

Bioengineered 3D hPSC‐Cholangiocyte Ducts With Physiological Signals for Biliary Disease Modeling

open access: yesAdvanced Healthcare Materials, EarlyView.
Tian and colleagues generated a bioengineered bile duct from human pluripotent stem cell (hPSC)‐derived intrahepatic cholangiocytes within a high‐throughput, 384‐well platform to systematically examine the influence of biliary physiological signals including fluid flow, stromal cells and bile acids, and models intrahepatic biliary disease progression ...
Britney Tian   +10 more
wiley   +1 more source

Ecology and conditions of natural water sources of Yeletstown

open access: yesRUDN Journal of Ecology and Life Safety, 2014
In work are submitted data of spring water monitoring of Yelets town. Research on the general condition of physical and chemical properties of spring water of the town and availability of heavy metals in water didn't reveal excess of maximum permissible ...
E A Solovyeva
doaj  

Optimal Trajectories for Near-Earth-Objects Using Solar Electric Propulsion (SEP) and Gravity Assisted Maneuver [PDF]

open access: yes, 2009
The future interplanetary missions will probably use the conventional chemical rockets to leave the sphere of influence of the Earth, and solar electric propulsion (SEP) to accomplish the other maneuvers of the mission.
A. F. B. A. PRADO   +3 more
core  

Home - About - Disclaimer - Privacy