Results 31 to 40 of about 1,107,923 (314)

Energy flow and the organization of life [PDF]

Complexity, 2007
AbstractUnderstanding the emergence and robustness of life requires accounting for both chemical specificity and statistical generality. We argue that the reverse of a common observation—that life requires a source of free energy to persist—provides an appropriate principle to understand the emergence, organization, and persistence of life on earth ...
Harold J. Morowitz, Eric Smith
openaire   +1 more source

An upstream open reading frame regulates expression of the mitochondrial protein Slm35 and mitophagy flux

FEBS Letters, EarlyView.
This study reveals how the mitochondrial protein Slm35 is regulated in Saccharomyces cerevisiae. The authors identify stress‐responsive DNA elements and two upstream open reading frames (uORFs) in the 5′ untranslated region of SLM35. One uORF restricts translation, and its mutation increases Slm35 protein levels and mitophagy.
Hernán Romo‐Casanueva, Ariann E. Mendoza‐Martínez, P. Abril Medina‐Flores, Carlos Campero‐Basaldua, Alexander DeLuna, Soledad Funes   +5 more
wiley   +1 more source

Nanoscale greenhouse effect for promoting solar-driven CO2 reduction with water to CH4

Nature Communications
Improvement of solar-to-chemical energy conversion in photocatalytic CO2 reduction remains fundamentally constrained by insufficient utilization of solar energy, particularly low-energy photons.
Xiaofeng Kang, Mingyu Jiang, Jiarong Lv, Chen Liao, Xue Ding, Feng Wang, Shengjie Bai, Ya Liu, Liejin Guo   +8 more
doaj   +1 more source

Band Engineering Induced by Sulphur Vacancies in MoS₂/g-C₃N₄ or Selective CO₂ Photoreduction to CH₃OH

Nanomaterials
Developing photocatalysts with both high efficiency and reaction pathway selectivity is essential for achieving efficient and sustainable CO2 conversion.
Shicheng Liu, Junbo Yu, Xiangyu Chen, Na Li, Qulan Zhou   +4 more
doaj   +1 more source

Visualization and research of gas-liquid two phase flow structures in cylindrical channel

E3S Web of Conferences, 2017
Two-phase flows are commonly found in many industries, especially in systems, where efficient and correct functioning depend on specific values of flow parameters. In thermal engineering and chemical technology the most popular types of two-phase mixture
Stefański Sebastian, Kalawa Wojciech, Mirek Kaja, Stępień Maciej   +3 more
doaj   +1 more source

Field flows of dark energy [PDF]

Journal of Cosmology and Astroparticle Physics, 2008
9 pages, 5 ...
Cahn, Robert N., de Putter, Roland, Linder, Eric V.   +2 more
openaire   +2 more sources

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

FEBS 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, Pedro A. Sánchez‐Murcia, Bernd Nidetzky   +2 more
wiley   +1 more source

Decoupled electrolysis for hydrogen production and hydrazine oxidation via high-capacity and stable pre-protonated vanadium hexacyanoferrate

Nature Communications
Decoupled electrolysis for hydrogen production with the aid of a redox mediator enables two half-reactions operating at different rates, time, and spaces, which offers great flexibility in operation.
Fei Lv, Jiazhe Wu, Xuan Liu, Zhihao Zheng, Lixia Pan, Xuewen Zheng, Liejin Guo, Yubin Chen   +7 more
doaj   +1 more source

Redox flow batteries for hybrid electric vehicles: progress and challenges

, 2009
Electric vehicles have been the focus of muchresearch over the last two decades as the world has sought improved energy utilization and reduced emissions.
Rusllim Mohammad, M., Sharkh, S.M., M.R. Mohamed, S.M. Sharkh, F.C. Walsh, Walsh, F.C.   +5 more
core   +1 more source

The (Glg)ABCs of cyanobacteria: modelling of glycogen synthesis and functional divergence of glycogen synthases in Synechocystis sp. PCC 6803

FEBS Letters, EarlyView.
We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee, Dimitrios Bekiari, Sofia Doello, Karl Forchhammer   +3 more
wiley   +1 more source