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Automated Exploration of Prebiotic Chemical Reaction Space: Progress and Perspectives

open access: yesLife, 2021
Prebiotic chemistry often involves the study of complex systems of chemical reactions that form large networks with a large number of diverse species.
Siddhant Sharma   +3 more
doaj   +1 more source

Environmental Stability and Its Importance for the Emergence of Darwinian Evolution

open access: yesLife, 2023
The emergence of Darwinian evolution represents a central point in the history of life as we know it. However, it is generally assumed that the environments in which life appeared were hydrothermal environments, with highly variable conditions in terms ...
Khushi R. Daga   +4 more
doaj   +1 more source

The Effects of Iron on In Silico Simulated Abiotic Reaction Networks

open access: yesMolecules, 2022
Iron is one of the most abundant elements in the Universe and Earth’s surfaces, and undergoes a redox change of approximately 0.77 mV in changing between its +2 and +3 states.
Sahil Rajiv Shahi, H. James Cleaves
doaj   +1 more source

Applying Novel Techniques from Physical and Biological Sciences to Life Detection

open access: yesSpace: Science & Technology, 2023
One of the primary goals of the space exploration community is to unambiguously detect past or present life outside of Earth. As such, a number of so-called life detection technologies, instruments, and approaches have been applied as part of past ...
Tony Z. Jia   +13 more
doaj   +1 more source

A global network model of abiotic phosphorus cycling on Earth through time

open access: yesScientific Reports, 2022
Phosphorus (P) is a crucial structural component of living systems and central to modern bioenergetics. P cycles through terrestrial geochemical reservoirs via complex physical and chemical processes.
Marcos Jusino-Maldonado   +5 more
doaj   +1 more source

Respiratory system symptoms in marble quarry and marble factory workers

open access: yesMedicine Science, 2022
In this study, respiratory system symptoms developed in workers working in 35 marble factories, 20 marble quarries in Afyonkarahisar İscehisar region were examined and compared.
Suphi Aydin, Ahmet Dumanli
doaj   +1 more source

Flexural behavior of reinforced concrete beams using waste marble powder towards application of sustainable concrete

open access: yesFrontiers in Materials, 2022
The performance of waste marble powder as a partial replacement for cement is examined with the aim to achieve more sustainable concrete. Pursuant to this goal, a total of 15 specimens were manufactured and then tested to examine the bending behavior ...
Memduh Karalar   +6 more
doaj   +1 more source

Study on dynamic response characteristics of impact of freeze-thaw saturated marble in plateau area.

open access: yesPLoS ONE, 2023
To study the effects that the perennial freeze-thaw environment exerts on the dynamic mechanical properties of marble, which characterizes the Qinghai-Tibet Plateau, impact tests were conducted, and saturated marble was utilized; thus, we analyzed the ...
Wuhu Huang   +9 more
doaj   +1 more source

Marble quarries in Delos Island (Greece): a geological characterization

open access: yesBSGF - Earth Sciences Bulletin, 2022
Traces of extraction in Delian marble quarries attest their exploitation during Antiquity. A preliminary non-destructive provenance study confirmed the presence of indigenous marble in Delos constructions. In contrast, Delos marble quarries have not been
Vettor Tommy   +4 more
doaj   +1 more source

Pulmonary function parameters among marble industry workers in Lahore, Pakistan [version 1; peer review: 2 approved]

open access: yesF1000Research, 2021
Background: Occupational contact with dust particles is a well-known phenomenon, particularly in developing countries of the world. Crystalline silica present in marble dust is the main etiology of a rising prevalence of obstructive lung diseases in ...
Imran Maqsood Butt   +4 more
doaj   +1 more source

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