Results 101 to 110 of about 3,647,403 (348)

An Investigation of Thresholds in Air Pollution-Mortality Effects [PDF]

open access: yes
In this paper we introduce and implement new techniques to investigate threshold effects in air pollution-mortality relationships. Our key interest is in measuring the dose-response relationship above and below a given threshold level where we allow for ...
Gary Koop, Lise Tole
core  

Genetic attenuation of ALDH1A1 increases metastatic potential and aggressiveness in colorectal cancer

open access: yesMolecular Oncology, EarlyView.
Aldehyde dehydrogenase 1A1 (ALDH1A1) is a cancer stem cell marker in several malignancies. We established a novel epithelial cell line from rectal adenocarcinoma with unique overexpression of this enzyme. Genetic attenuation of ALDH1A1 led to increased invasive capacity and metastatic potential, the inhibition of proliferation activity, and ultimately ...
Martina Poturnajova   +25 more
wiley   +1 more source

Agricultural socialized services and Chinese food security: examining the threshold effect of land tenure change

open access: yesFrontiers in Sustainable Food Systems
Revolutionary agricultural structural reforms in the supply chain and cutting-edge institutional mechanisms are pivotal in catalyzing a quantum leap in food production. China’s focus on achieving self-sufficiency in grain production for domestic security
Baozhong Cai   +5 more
doaj   +1 more source

Threshold effects and renormalization group evolution of neutrino parameters in TeV scale seesaw models

open access: yes, 2013
We consider the threshold effect on the renormalization group (RG) evolution of the neutrino masses and mixing angles in TeV scale seesaw models. We obtain the analytic expressions using the factorization method in presence of threshold effects.
Goswami, Srubabati   +2 more
core   +1 more source

Network divergence analysis identifies adaptive gene modules and two orthogonal vulnerability axes in pancreatic cancer

open access: yesMolecular Oncology, EarlyView.
Tumors contain diverse cellular states whose behavior is shaped by context‐dependent gene coordination. By comparing gene–gene relationships across biological contexts, we identify adaptive transcriptional modules that reorganize into distinct vulnerability axes.
Brian Nelson   +9 more
wiley   +1 more source

Noise sensitivity and Voronoi percolation

open access: yes, 2018
In this paper we study noise sensitivity and threshold phenomena for Poisson Voronoi percolation on $\mathbb{R}^2$. In the setting of Boolean functions, both threshold phenomena and noise sensitivity can be understood via the study of randomized ...
Ahlberg, Daniel, Baldasso, Rangel
core   +1 more source

Pre‐analytical optimization of cell‐free DNA and extracellular vesicle‐derived DNA for mutation detection in liquid biopsies

open access: yesMolecular Oncology, EarlyView.
Pre‐analytical handling critically determines liquid biopsy performance. This study defines practical best‐practice conditions for cell‐free DNA (cfDNA) and extracellular vesicle–derived DNA (evDNA), showing how processing time, storage conditions, tube type, and plasma input volume affect DNA integrity and mutation detection.
Jonas Dohmen   +11 more
wiley   +1 more source

Will Expanding Health Care Coverage for People with Disabilities Increase their Employment and Earnings? Evidence from an Analysis of the SSI Work Incentive Program [PDF]

open access: yes, 2002
Reports findings from study that examines the effect that increases in the income threshold under the Supplemental Security Income (SSI) work incentive program have on the employment, earnings, and program participation patterns of SSI recipients.
Stapleton, David C., Tucker, Adam
core   +1 more source

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