Results 71 to 80 of about 528,430 (305)

Response of the ocean natural carbon storage to projected twenty-first-century climate change [PDF]

open access: yes, 2013
The separate impacts of wind stress, buoyancy fluxes, and CO2 solubility on the oceanic storage of natural carbon are assessed in an ensemble of twentieth- to twenty-first-century simulations, using a coupled atmosphere–ocean–carbon cycle model.
Bernardello, R.   +21 more
core   +1 more source

Pharmacological inhibition of the PERK pathway modulates hepatocellular carcinoma growth and immune signaling

open access: yesFEBS Open Bio, EarlyView.
Pharmacological inhibition of PERK in a DEN‐induced mouse model of liver cancer does not reduce tumor burden but alters cellular stress signaling. Despite blocking PERK activity, downstream stress responses, including CHOP expression, remain active, suggesting compensatory mechanisms within the unfolded protein response that may influence tumor ...
Ada Lerma‐Clavero   +5 more
wiley   +1 more source

Evidence for strong seasonality in the carbon storage and carbon use efficiency of an Amazonian forest [PDF]

open access: yes, 2014
The relative contribution of gross primary production and ecosystem respiration to seasonal changes in the net carbon flux of tropical forests remains poorly quantified by both modelling and field studies.
Benoit Burban   +20 more
core   +1 more source

Global Wetland Methane Emissions From 2001 to 2020: Magnitude, Dynamics and Controls

open access: yesEarth's Future
The large uncertainties in estimating CH4 emissions from wetland ecosystems, the leading natural source to the atmosphere, substantially hinder the quantification of the global CH4 budget.
Han Xiao   +6 more
doaj   +1 more source

Technologies and research progress of resource utilization of salt production wastewater

open access: yesGongye shui chuli
The resource utilization of salt-making wastewater(bittern) is crucial for the sustainable development of the salt-making industry. This paper systematically summarizes the main technical routes for bittern resource utilization, including membrane ...
QIU Changyi, PENG Ruimin, LIU Chenglin
doaj   +1 more source

UiO‐66 metal–organic frameworks in biomedicine: From structural tunability to bioimaging, photodiagnostics, and photodynamic cancer therapy

open access: yesFEBS Open Bio, EarlyView.
UiO‐66(Zr) metal–organic frameworks are chemically stable, biocompatible, and highly tunable nanomaterials. Their modular structure enables controlled drug delivery, multimodal bioimaging, and light‐activated photodynamic therapy, supporting integrated diagnostic and therapeutic (theranostic) applications in cancer and biomedical research.
Veronika Huntošová   +2 more
wiley   +1 more source

The terrestrial carbon cycle: implications for the Kyoto Protocol

open access: yes, 1998
The Kyoto Protocol achieved a significant breakthrough by including terrestrial carbon sources and sinks into a legally binding emissions reduction framework. The effectiveness of the portocol can be improved by adopting a full carbon budget. Terrestrial
Schulze, E.   +38 more
core   +1 more source

Response of carbon- and water-use efficiency to climate change and human activities in China

open access: yesEcological Indicators
Carbon-use efficiency (CUE) and water-use efficiency (WUE) are critical parameters for evaluating the exchange of carbon and water in ecosystems, influenced by climate change and human activities.
Jinke Chen   +3 more
doaj   +1 more source

More frequent burning increases vulnerability of Alaskan boreal black spruce forests

open access: yesEnvironmental Research Letters, 2016
Much recent research has investigated the effects of burning on mature black spruce ( Picea mariana ) forests in interior Alaska, however little research has focused on how frequent reburning affects soil organic layer (SOL) vulnerability in these ...
Elizabeth E Hoy   +2 more
doaj   +1 more source

Directed evolution of enzymes at the crossroads of tradition and innovation

open access: yesFEBS Open Bio, EarlyView.
An iterative cycle of data‐driven enzyme optimization comprising four stages: genetic diversification of a template enzyme, expression of protein variants, high‐throughput evaluation, and machine‐learning‐guided redesign of the next variant library.
Maria Tomkova   +2 more
wiley   +1 more source

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