Raul E. Martinez
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View article: Adsorption of lithium, sodium, gallium, and sulfur atoms onto a GaS monolayer
Adsorption of lithium, sodium, gallium, and sulfur atoms onto a GaS monolayer Open
Hexagonal gallium sulfide (GaS) monolayer is a very promising monochalcogenide for applications such as electronics, optoelectronics, and catalysts. The adsorption and the diffusion of lithium (Li), sodium (Na), gallium (Ga), and sulfur (S…
View article: Magnetic Field Screening of 2D Materials Revealed by Magnetic Force Microscopy
Magnetic Field Screening of 2D Materials Revealed by Magnetic Force Microscopy Open
2D materials possess exceptional mechanical properties making them promising candidates for protecting nanostructures. However, the magnetic field screening properties of 2D materials are largely unexplored. Here it is used Magnetic Force …
View article: Fluid‐driven transformation of blueschist to vein eclogite during the Early Eocene in a subducted sliver of continental crust (Monte Emilius, Italian Western Alps)
Fluid‐driven transformation of blueschist to vein eclogite during the Early Eocene in a subducted sliver of continental crust (Monte Emilius, Italian Western Alps) Open
In the Penninic nappe stack of the Western Alps, high‐ to ultrahigh‐pressure metamorphic ophiolites of the Zermatt‐Saas Zone are associated with slivers of continental crust. In one of these slivers, Monte Emilius, the overprinting of pre‐…
View article: How are oxygen budgets influenced by dissolved iron and growth of oxygenic phototrophs in an iron-rich spring system? Initial results from the Espan Spring in Fürth, Germany
How are oxygen budgets influenced by dissolved iron and growth of oxygenic phototrophs in an iron-rich spring system? Initial results from the Espan Spring in Fürth, Germany Open
At present most knowledge on the impact of iron on 18O / 16O ratios (i.e. δ18O) of dissolved oxygen (DO) under circum-neutral conditions stems from experiments carried out under controlled laboratory conditions. These showed that iron oxid…
View article: Comment on bg-2021-68
Comment on bg-2021-68 Open
Abstract. At present most knowledge on the impact of iron on 18Oâ/â16O ratios (i.e. δ18O) of dissolved oxygen (DO) under circum-neutral conditions stems from experiments carried out under controlled laboratory conditions. These showed…
View article: How are oxygen budgets influenced by dissolved iron and growth of oxygenic phototrophs in an iron-rich spring system? Initial results from the Espan Spring in Fürth, Germany
How are oxygen budgets influenced by dissolved iron and growth of oxygenic phototrophs in an iron-rich spring system? Initial results from the Espan Spring in Fürth, Germany Open
At present most knowledge on the impact of iron on 18O / 16O ratios (i.e. δ18O) of dissolved oxygen (DO) under circum-neutral conditions stems from experiments carried out under controlled laboratory conditions. These showed that iron oxid…
View article: Does carbon dioxide storage by cyanobacteria induce biomineralization in presence of basaltic glass?
Does carbon dioxide storage by cyanobacteria induce biomineralization in presence of basaltic glass? Open
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View article: Beware of effects on isotopes of dissolved oxygen during storage of natural iron‐rich water samples: A technical note
Beware of effects on isotopes of dissolved oxygen during storage of natural iron‐rich water samples: A technical note Open
Rationale Investigations of the isotope ratios of dissolved oxygen (δ 18 O DO ) provide valuable information about the oxygen cycle in aquatic systems. However, oxidation of Fe(II) may change pristine δ 18 O DO values during storage and ca…
View article: CO₂ storage by cyanobacteria induced biomineralization in presence of basaltic glass
CO₂ storage by cyanobacteria induced biomineralization in presence of basaltic glass Open
Cyanobacteria induced biomineralization of atmospheric CO2 is a natural process leading to the formation of carbonates by spontaneous precipitation or through the presence of nucleation sites, under supersaturated conditions. . Basaltic gl…
View article: Photoferrotrophy, deposition of banded iron formations, and methane production in Archean oceans
Photoferrotrophy, deposition of banded iron formations, and methane production in Archean oceans Open
Photoferrotrophs repel iron to deposit banded iron formations and contribute methane to the atmosphere during the Archean Eon.
View article: Assessment of trace elements distribution in French agricultural soils
Assessment of trace elements distribution in French agricultural soils Open
Although trace element distribution and mobility have been investigated in agricultural soils, precise information about the extent to which anthropogenic activities influence soil quality remains limited. This study quantified trace eleme…
View article: Impact of Hydrous Manganese and Ferric Oxides on the Behavior of Aqueous Rare Earth Elements (REE): Evidence from a Modeling Approach and Implication for the Sink of REE
Impact of Hydrous Manganese and Ferric Oxides on the Behavior of Aqueous Rare Earth Elements (REE): Evidence from a Modeling Approach and Implication for the Sink of REE Open
In this study, models were used for the first time to investigate the fate and transport of rare earth elements (REE) in the presence of hydrous manganese and ferric oxides in groundwaters from the coastal Bohai Bay (China). Results showed…
View article: Effect of Cadmium, Copper and Lead on the Growth of Rice in the Coal Mining Region of Quang Ninh, Cam-Pha (Vietnam)
Effect of Cadmium, Copper and Lead on the Growth of Rice in the Coal Mining Region of Quang Ninh, Cam-Pha (Vietnam) Open
The goal of this study was to quantify the mobility and partitioning of trace elements originating from mine waste rocks derived from open pit coal extraction activities. The results showed that native rice plants were adapted to growing i…
View article: Phytoplankton contributions to the trace-element composition of Precambrian banded iron formations
Phytoplankton contributions to the trace-element composition of Precambrian banded iron formations Open
Banded iron formations are economically important sedimentary deposits in Earth's Precambrian rock record, consisting of alternating iron-rich (hematite, magnetite, and siderite) and silicate/carbonate (quartz, claylike minerals, dolomite,…
View article: Microaerophilic Fe(II)-Oxidizing Zetaproteobacteria Isolated from Low-Fe Marine Coastal Sediments: Physiology and Composition of Their Twisted Stalks
Microaerophilic Fe(II)-Oxidizing Zetaproteobacteria Isolated from Low-Fe Marine Coastal Sediments: Physiology and Composition of Their Twisted Stalks Open
Microaerophilic Fe(II) oxidizers are commonly found in habitats containing elevated Fe(II) and low O 2 concentrations and often produce characteristic Fe mineral structures, so-called twisted stalks or tubular sheaths. Isolates originating…
View article: Organic and inorganic decomposition products from the thermal desorption of atmospheric particles
Organic and inorganic decomposition products from the thermal desorption of atmospheric particles Open
Atmospheric aerosol composition is often analyzed using thermal desorption techniques to evaporate samples and deliver organic or inorganic molecules to various designs of detectors for identification and quantification. The organic aeroso…
View article: Development of a volatility and polarity separator (VAPS) for volatility- and polarity-resolved organic aerosol measurement
Development of a volatility and polarity separator (VAPS) for volatility- and polarity-resolved organic aerosol measurement Open
Discrepancies between modeled and measured atmospheric organic aerosol (OA) have highlighted the need for in situ instrumentation to better characterize the sources, formation mechanisms, and atmospheric evolution of ambient OA. We have de…
View article: Organic and inorganic decomposition products from the thermal desorption of atmospheric particles
Organic and inorganic decomposition products from the thermal desorption of atmospheric particles Open
Atmospheric aerosol composition is often analyzed using thermal desorption techniques to evaporate samples and deliver organic or inorganic molecules to various designs of detectors for identification and quantification. The organic aeroso…
View article: Electronic cigarettes: The nicotyrine hypothesis
Electronic cigarettes: The nicotyrine hypothesis Open
There are conflicting reports about the efficacy of electronic cigarettes (e-cigs) as nicotine delivery devices and smoking cessation products. In addition, smokers' responses to some nicotine dependence questions often change as they tran…