Results 111 to 120 of about 2,431,248 (307)

Graphene Terahertz Plasmon Oscillators

open access: yes, 2007
In this paper we propose and discuss coherent terahertz sources based on charge density wave (plasmon) amplification in two dimensional graphene. The coupling of the plasmons to interband electron-hole transitions in population inverted graphene layers ...
Rana, Farhan
core   +1 more source

Enteropathogenic E. coli shows delayed attachment and host response in human jejunum organoid‐derived monolayers compared to HeLa cells

open access: yesFEBS Letters, EarlyView.
Enteropathogenic E. coli (EPEC) infects the human intestinal epithelium, resulting in severe illness and diarrhoea. In this study, we compared the infection of cancer‐derived cell lines with human organoid‐derived models of the small intestine. We observed a delayed in attachment, inflammation and cell death on primary cells, indicating that host ...
Mastura Neyazi   +5 more
wiley   +1 more source

Estimating wildlife populations and their dynamics using multiple data sources and a hierarchical integrated model: The case of California's black bears

open access: yesEcological Solutions and Evidence
Accurate monitoring of wildlife populations is critical to their effective conservation and management. For populations that are actively harvested, age‐at‐harvest (AAH) data provide a valuable source of information about their age and sex structure ...
Thomas Connor   +6 more
doaj   +1 more source

A generalized integrated population model to estimate greater sage‐grouse population dynamics

open access: yesEcosphere, 2016
For species of conservation concern, assessing population dynamics consistently across different populations is of paramount importance to effective conservation and restoration planning.
Rebecca McCaffery, Paul M. Lukacs
doaj   +1 more source

The stochastic nature of stellar population modelling

open access: yes, 2013
Since the early 1970s, stellar population modelling has been one of the basic tools for understanding the physics of unresolved systems from observation of their integrated light.
Cerviño, Miguel
core   +1 more source

Structural instability impairs function of the UDP‐xylose synthase 1 Ile181Asn variant associated with short‐stature genetic syndrome in humans

open access: yesFEBS Letters, EarlyView.
The Ile181Asn variant of human UDP‐xylose synthase (hUXS1), associated with a short‐stature genetic syndrome, has previously been reported as inactive. Our findings demonstrate that Ile181Asn‐hUXS1 retains catalytic activity similar to the wild‐type but exhibits reduced stability, a looser oligomeric state, and an increased tendency to precipitate ...
Tuo Li   +2 more
wiley   +1 more source

An Integrated Population Pharmacokinetic and Machine Learning Model for Predicting Tacrolimus Exposure in Adult Patients with Nephrotic Syndrome

open access: yesDrug Design, Development and Therapy
Yehui Zhou,1,2,* Zhou Zhou,2,* Shiting Chen,1,2,* Lili Zhu,3,* Yuting Yun,1,2 Yuan Yuan,4 Chen Chen,2 Jianjun Zou,2 Jun Zhao5,6 1School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing ...
Zhou Y   +8 more
doaj  

American kestrel population trends and vital rates at the continental scale

open access: yesEcosphere
The American kestrel (Falco sparverius, hereafter referred to as kestrel) has declined across much of its North American range since at least the mid‐1960s. Kestrel population dynamics have been explored through a multitude of local studies and two broad
Paige E. Howell   +17 more
doaj   +1 more source

Integrated bagging-RF learning model for diabetes diagnosis in middle-aged and elderly population [PDF]

open access: yesPeerJ Computer Science
As the population ages, the increase in the number of middle-aged and older adults with diabetes poses new challenges to the allocation of resources in the healthcare system.
Yuanwu Shi, Jiuye Sun
doaj   +2 more sources

Demographic change and transport needs in the Waikato region [PDF]

open access: yes, 2005
This report has been commissioned by Environment Waikato (EW) as part of its review of the Land Transport Strategy for the Waikato region. The report identifies key population characteristics that impact on transport needs of the EW region and the ...
Baxendine, Sandra   +2 more
core   +1 more source

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