Results 101 to 110 of about 1,358,895 (382)

Chronotype and response to training during the polar night: a pilot study

open access: yesInternational Journal of Circumpolar Health, 2017
Background: An individual’s chronotype influences his or her physiological rhythms. Some studies have looked at the effect of time of day on the responses to exercise, but studies on the effect of long-term training are lacking. Objective:  To report the
Jacopo Antonino Vitale   +4 more
doaj   +1 more source

Concentrações de ácido indolbutírico e períodos de escuro, no enraizamento "in vitro" de amoreira-preta (Rubus sp.), cv. ébano Indolbutiric acid concentrations and dark period on the in vitro rooting of blackberry (Rubus sp.), cv. ébano

open access: yesRevista Brasileira de Fruticultura, 2003
O trabalho foi realizado com o objetivo de testar a influência do AIB em condições de escuro, no enraizamento in vitro de amoreira-preta cv. Ébano.
Elizete Beatriz Radmann   +2 more
doaj   +1 more source

Chemiluminescent Tags for Tracking Insect Movement in Darkness: Application to Moth Photo-Orientation [PDF]

open access: yes, 2017
The flight tracks of Manduca sexta (Lepidoptera: Sphingidae) flying toward a 5 watt incandescent light bulb were recorded under low light conditions with the aid of a camera-mounted photomultiplier and a glowing marker technique.
Gewax, Lawrence J   +3 more
core   +2 more sources

Controlling darkness: self, dark and the domestic night

open access: yes, 2015
Social science research into darkness (and light) has largely focused on public spaces. In particular it has been interested in night-time cityscapes, but also spaces of leisure and rural landscapes.
Robert Shaw
semanticscholar   +1 more source

β‐TrCP overexpression enhances cisplatin sensitivity by depleting BRCA1

open access: yesMolecular Oncology, EarlyView.
Low levels of β‐TrCP (Panel A) allow the accumulation of BRCA1 and CtIP, which facilitate the repair of cisplatin‐induced DNA damage via homologous recombination (HR) and promote tumor cell survival. In contrast, high β‐TrCP expression (Panel B) leads to BRCA1 and CtIP degradation, impairing HR repair, resulting in persistent DNA damage and apoptosis ...
Rocío Jiménez‐Guerrero   +8 more
wiley   +1 more source

Darkness and gulliver2/phyB mutation decrease the abundance of phosphorylated BZR1 to activate brassinosteroid signaling in Arabidopsis

open access: yesThe Plant Journal, 2014
Light is essential for plant survival; as such, plants flexibly adjust their growth and development to best harvest light energy. Brassinosteroids (BRs), plant growth-promoting steroid hormones, are essential for this plasticity of development.
Bokyung Kim   +6 more
semanticscholar   +1 more source

PARP inhibitors elicit distinct transcriptional programs in homologous recombination competent castration‐resistant prostate cancer

open access: yesMolecular Oncology, EarlyView.
PARP inhibitors are used to treat a small subset of prostate cancer patients. These studies reveal that PARP1 activity and expression are different between European American and African American prostate cancer tissue samples. Additionally, different PARP inhibitors cause unique and overlapping transcriptional changes, notably, p53 pathway upregulation.
Moriah L. Cunningham   +21 more
wiley   +1 more source

Melatonin, the Hormone of Darkness: From Sleep Promotion to Ebola Treatment.

open access: yesBrain Disorders & Therapy, 2014
Melatonin is a hormone secreted by the enigmatic pineal gland in response to darkness, hence the name hormone of darkness. It has generated a great deal of interest as a therapeutic modality for various diseases particularly sleep disorders.
A. Masters   +4 more
semanticscholar   +1 more source

Bridging the gap: Multi‐stakeholder perspectives of molecular diagnostics in oncology

open access: yesMolecular Oncology, EarlyView.
Although molecular diagnostics is transforming cancer care, implementing novel technologies remains challenging. This study identifies unmet needs and technology requirements through a two‐step stakeholder involvement. Liquid biopsies for monitoring applications and predictive biomarker testing emerge as key unmet needs. Technology requirements vary by
Jorine Arnouts   +8 more
wiley   +1 more source

Dark Equations [PDF]

open access: yesJournal of Nonlinear Mathematical Physics, 2001
Observing the Universe, astronomers have concluded that the motion of stars can not be accounted for unless one assumes that most of the mass in the Universe is carried on by a ``dark matter", so far impervious to all attempts at being detected. There is now a similar concept of ``dark energy".
openaire   +3 more sources

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