Results 111 to 120 of about 856,839 (311)

Light cone effect on the reionization 21-cm power spectrum

open access: yes, 2012
Observations of redshifted 21-cm radiation from neutral hydrogen during the epoch of reion-ization (EoR) are considered to constitute the most promising tool to probe that epoch.
Garrelt Mellema   +17 more
core   +1 more source

The spectrum as life-media [PDF]

open access: yes, 2013
Varias cosas son necesarias para poder vivir. Para mucha gente, son cosas que se consideran solamente cuando ya se están perdiendo, y cuando su desaparición puede llevar a la nuestra.
Evan Light, Light, Evan
core   +1 more source

The Effect of Varying the Light Spectrum of a Scene on the Localisation of Photogrammetric Features

open access: yesRemote Sensing
In modern digital photogrammetry, an image is usually registered via a digital matrix with an array of colour filters. From the registration of the image until feature points are detected on the image, the image is subjected to a series of calculations ...
Pawel Burdziakowski
doaj   +1 more source

Characterization of Available Light for Seagrass and Patch Reef Productivity in Sugarloaf Key, Lower Florida Keys

open access: yesRemote Sensing, 2016
Light availability is an important factor driving primary productivity in benthic ecosystems, but in situ and remote sensing measurements of light quality are limited for coral reefs and seagrass beds.
Gerardo Toro-Farmer   +6 more
doaj   +1 more source

YlmG1 is localized exclusively to the chloroplast envelope membrane and is involved in preprotein translocation in Arabidopsis thaliana

open access: yesFEBS Open Bio, EarlyView.
Cytosolically synthesized chloroplast preproteins are translocated across the outer and inner envelope membranes through translocons called TOC and TIC, respectively. In green algae and plants, the TIC core is composed of essential membrane proteins, Tic12, Tic20, and Tic214.
Mengyi Li, Xueyang Zhao, Masato Nakai
wiley   +1 more source

Photocatalytic inactivation of Escherichia coli by natural sphalerite suspension: Effect of spectrum, wavelength and intensity of visible light

open access: yes, 2011
The photocatalytic disinfection of Escherichia coli K-12 is investigated by the natural sphalerite (NS) under different spectra, wavelengths and intensities of visible light (VL) emitted by light-emitting-diode lamp (LED).
Chen, Yanmin   +23 more
core   +1 more source

An insight into light as a chronobiological therapy in affective disorders [PDF]

open access: yes, 2014
The field of chronobiology has vastly expanded over the past few decades, bringing together research from the fields of circadian rhythms and sleep. The importance of the environmental day–night cycle on our health is becoming increasingly evident as we ...
Lall, Gurprit S.   +10 more
core   +1 more source

Effects of Light Spectra on Growth, Physiological Responses, and Antioxidant Capacity in Five Radish Varieties in an Indoor Vertical Farming System

open access: yesHorticulturae
Radish (Raphanus sativus L.) is highly nutritious and contains antioxidants that help reduce the risk of diseases. Light is a crucial factor in their growth and the stimulation of secondary metabolite production.
Panita Chutimanukul   +8 more
doaj   +1 more source

Flowering and Morphogenesis of Kalanchoe in Response to Quality and Intensity of Night Interruption Light

open access: yesPlants, 2019
The effects of the quality and intensity of night interruption light (NIL) on the flowering and morphogenesis of kalanchoe (Kalanchoe blossfeldiana) ‘Lipstick’ and ‘Spain’ were investigated.
Dong Il Kang   +3 more
doaj   +1 more source

Evolutionarily divergent DUF4465 domains have a common vitamin B12‐binding function

open access: yesFEBS Open Bio, EarlyView.
We show that DUF4465 family proteins, widespread across bacteria from gut microbiomes, hydrothermal vents, and soil, share a common vitamin B12‐binding function. These augmented β‐jellyroll proteins bind vitamin B12 via extended loops. Our findings establish sequence‐diverse DUF4465 proteins as a widespread class of B12‐binding proteins, highlighting ...
Charlea Clarke   +4 more
wiley   +1 more source

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