Results 41 to 50 of about 2,321,749 (354)

Coordination and Sustainability of River Observing Activities in the Arctic [PDF]

open access: yes, 2015
To understand and respond to changes in the world’s northern regions, we need a coordinated system of long-term Arctic observations. River networks naturally integrate across landscapes and link the terrestrial and ocean domains.
McClelland, James W.   +3 more
core   +4 more sources

The anti‐CRISPR protein AcrIE8.1 inhibits the type I‐E CRISPR‐Cas system by directly binding to the Cascade subunit Cas11

open access: yesFEBS Letters, EarlyView.
In this study, we present the structure of AcrIE8.1, a previously uncharacterized anti‐CRISPR protein that inhibits the type I‐E CRISPR‐Cas system. Through a combination of structural and biochemical analyses, we demonstrate that AcrIE8.1 directly binds to the Cas11 subunit of the Cascade complex to inhibit the CRISPR‐Cas system.
Young Woo Kang, Hyun Ho Park
wiley   +1 more source

Hydrogeochemical characteristics and evaluation of groundwater resources of Jilin Province, China

open access: yesFrontiers in Water, 2023
As one of China's nine border provinces, Jilin Province is an important window for China's “Belt and Road” to open up to the north, and an important channel for China's foreign trade and foreign exchanges.
Zhaojun Zeng   +16 more
doaj   +1 more source

The Habitable Epoch of the Early Universe [PDF]

open access: yes, 2014
In the redshift range ...
Loeb, Abraham
core   +1 more source

An intracellular transporter mitigates the CO2‐induced decline in iron content in Arabidopsis shoots

open access: yesFEBS Letters, EarlyView.
This study identifies a gene encoding a transmembrane protein, MIC, which contributes to the reduction of shoot Fe content observed in plants under elevated CO2. MIC is a putative Fe transporter localized to the Golgi and endosomal compartments. Its post‐translational regulation in roots may represent a potential target for improving plant nutrition ...
Timothy Mozzanino   +7 more
wiley   +1 more source

A Cre‐dependent lentiviral vector for neuron subtype‐specific expression of large proteins

open access: yesFEBS Letters, EarlyView.
We designed a versatile and modular lentivector comprising a Cre‐dependent switch and self‐cleaving 2A peptide and tested it for co‐expression of GFP and a 2.8 kb gene of interest (GOI) in mouse cortical parvalbumin (PV+) interneurons and midbrain dopamine (TH+) neurons.
Weixuan Xue   +6 more
wiley   +1 more source

Composition of Stream Dissolved Organic Matter Across Canadian Forested Ecozones Varies in Three Dimensions Linked to Landscape and Climate

open access: yesWater Resources Research
Dissolved organic matter (DOM) is a key variable influencing aquatic ecosystem processes. The concentration and composition of DOM in streams depend on both the delivery of DOM from terrestrial sources and on aquatic DOM production and degradation ...
Julia Orlova   +19 more
doaj   +1 more source

Some characteristics of the sediments of healthy and degraded reed stands at Lake Fertő/Neusiedler See [PDF]

open access: yesOpuscula Zoologica Instituti Zoosystematici et Oecologici Universitatis Budapestinensis, 2009
Changes in the electric conductivity, pH, redox potential, temperature, PO43-, NH4+, NO3-, SO42-, S2-, Cl-, Na+, K+, Mg2+, Ca2+, total carbon (TC), total organic carbon (TOC) and total nitrogen (TN) concentrations of the sediment interstitial water and ...
Dinka, M., Ágoston-Szabó, E.
doaj  

The combination of KMnO4 with HMO for cyclic adsorption of heavy metal ions and regeneration of adsorbents

open access: yesWater Science and Technology, 2021
In this experiment, three kinds of hydrous manganese dioxide (HMO) with different Zeta potentials were synthesized, and combined with KMnO4 for deep removal of Pb2+, Cd2+ and Ni2+.
Ruyue Ding, Chao Liu, Fencun Xie
doaj   +1 more source

Water in star-forming regions: physics and chemistry from clouds to disks as probed by Herschel spectroscopy [PDF]

open access: bronze, 2021
E. F. van Dishoeck   +52 more
openalex   +1 more source

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