Hiram Castillo‐Michel
YOU?
Author Swipe
View article: Synchrotron XRF imaging reveals manganese accumulation in the Golgi and post-synapses of neurons and enhanced uptake in astrocytes
Synchrotron XRF imaging reveals manganese accumulation in the Golgi and post-synapses of neurons and enhanced uptake in astrocytes Open
Manganese is an essential trace metal for humans, but excessive exposure can cause neurotoxicity, including parkinsonian syndromes, cognitive deficits, and has also been implicated in the pathogenesis of neurodegenerative diseases. Globall…
View article: Insights into the osteosarcoma microenvironment: Multiscale analysis of structural and mineral heterogeneity
Insights into the osteosarcoma microenvironment: Multiscale analysis of structural and mineral heterogeneity Open
View article: Comparison of cadmium pathways in a high Cd accumulating cultivar versus a low Cd accumulating cultivar of Theobroma cacao L.
Comparison of cadmium pathways in a high Cd accumulating cultivar versus a low Cd accumulating cultivar of Theobroma cacao L. Open
View article: Zn<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub> shell effects on Zn uptake and cellular distribution of root applied ZnO NPs
Zn<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub> shell effects on Zn uptake and cellular distribution of root applied ZnO NPs Open
ZnO naoparticles (NPs) with a Zn-phosphate shell can modulate the routes of Zn root uptake, translocation and storage mechanisms compared to ZnO NPs. Applying ZnO NPs to roots provides much greater uptake into plants than for foliar applic…
View article: Changsha ware glaze color: Composition, nanostructure, and copper and iron speciation
Changsha ware glaze color: Composition, nanostructure, and copper and iron speciation Open
The opacity/transparency, color, and production of designs in Changsha ware, a Tang dynasty Chinese stoneware renowned for its polychromy and pioneering high‐temperature red glaze, are studied by analyzing the composition, micro/nanostruct…
View article: Zinc mediates control of nitrogen fixation via transcription factor filamentation
Zinc mediates control of nitrogen fixation via transcription factor filamentation Open
View article: Titanium dioxide nanoparticles (TiO2-NPs) effect on germination and morphological parameters in alfalfa, tomato, and pepper
Titanium dioxide nanoparticles (TiO2-NPs) effect on germination and morphological parameters in alfalfa, tomato, and pepper Open
Titanium dioxide nanoparticles are used in different processes, derived from this their presence in wastewater is common, concentrating in residual sludge. These residues are used as agricultural soil improvers, being a source of crop expo…
View article: Natural cobalt–manganese oxide nanoparticles: speciation, detection and implications for cobalt cycling
Natural cobalt–manganese oxide nanoparticles: speciation, detection and implications for cobalt cycling Open
Environmental context Cobalt is a technologically critical element due to its uses in the green energy transition, but its cycling is poorly constrained in surface environments. We determined the form of cobalt in naturally enriched soils …
View article: Ca-oxalate crystals are involved in cadmium storage in a high Cd accumulating cultivar of cacao
Ca-oxalate crystals are involved in cadmium storage in a high Cd accumulating cultivar of cacao Open
View article: Effect of a Zinc Phosphate Shell on the Uptake and Translocation of Foliarly Applied ZnO Nanoparticles in Pepper Plants (<i>Capsicum annuum</i>)
Effect of a Zinc Phosphate Shell on the Uptake and Translocation of Foliarly Applied ZnO Nanoparticles in Pepper Plants (<i>Capsicum annuum</i>) Open
Here, isotopically labeled 68ZnO NPs (ZnO NPs) and 68ZnO NPs with a thin 68Zn3(PO4)2 shell (ZnO_Ph NPs) were foliarly applied (40 μg Zn) to pepper plants (Capsicum annuum…
View article: Biomineralization of mantis shrimp dactyl club following molting: Apatite formation and brominated organic components
Biomineralization of mantis shrimp dactyl club following molting: Apatite formation and brominated organic components Open
View article: The role of tin and iron in the production of Spanish copper red glass from the 19th to the 20th century
The role of tin and iron in the production of Spanish copper red glass from the 19th to the 20th century Open
View article: Addressing uncertainties in correlative imaging of exogenous particles with the tissue microanatomy with synchronous imaging strategies
Addressing uncertainties in correlative imaging of exogenous particles with the tissue microanatomy with synchronous imaging strategies Open
Exposure to exogenous particles is of increasing concern to human health. Characterizing the concentrations, chemical species, distribution, and involvement of the stimulus with the tissue microanatomy is essential in understanding the ass…
View article: The impact of land use change on soil phosphorus hotspots at the microscale in Amazonian Dark Earths
The impact of land use change on soil phosphorus hotspots at the microscale in Amazonian Dark Earths Open
View article: New Opportunities Offered by the ESRF to the Cultural and Natural Heritage Communities
New Opportunities Offered by the ESRF to the Cultural and Natural Heritage Communities Open
For the past 20 years, the community of heritage scientists has frequently exploited the synchrotron radiation-based techniques offered at the European Synchrotron Radiation Facility (ESRF), Grenoble, France [1]. X-ray imaging techniques (…
View article: Natural nanoparticles of the critical element tellurium
Natural nanoparticles of the critical element tellurium Open
International audience
View article: Detection and Characterization of TiO2 Nanomaterials in Sludge from Wastewater Treatment Plants of Chihuahua State, Mexico
Detection and Characterization of TiO2 Nanomaterials in Sludge from Wastewater Treatment Plants of Chihuahua State, Mexico Open
TiO2 nanoparticles (TiO2-NPs) have a wide range of industrial applications (paintings, sunscreens, food and cosmetics) and is one of the most intensively used nanomaterials worldwide. Leaching from commercial products TiO2-NPs are predicte…
View article: Assessing implications of nanoplastics exposure to plants with advanced nanometrology techniques
Assessing implications of nanoplastics exposure to plants with advanced nanometrology techniques Open
View article: Natural Nanoparticles of the Critical Element Tellurium
Natural Nanoparticles of the Critical Element Tellurium Open
View article: Synchrotron Radiation Spectroscopy and Transmission Electron Microscopy Techniques to Evaluate TiO2 NPs Incorporation, Speciation, and Impact on Root Cells Ultrastructure of Pisum sativum L. Plants
Synchrotron Radiation Spectroscopy and Transmission Electron Microscopy Techniques to Evaluate TiO2 NPs Incorporation, Speciation, and Impact on Root Cells Ultrastructure of Pisum sativum L. Plants Open
Biosolids (Bs) for use in agriculture are an important way for introducing and transferring TiO2 nanoparticles (NPs) to plants and food chain. Roots of Pisum sativum L. plants grown in Bs-amended soils spiked with TiO2 800 mg/kg as rutile …
View article: A Critical Review on the Impacts of Nanoplastics and Microplastics on Aquatic and Terrestrial Photosynthetic Organisms
A Critical Review on the Impacts of Nanoplastics and Microplastics on Aquatic and Terrestrial Photosynthetic Organisms Open
Microplastic and nanoplastic contamination is widespread and affects aquatic and terrestrial ecosystems. Photosynthetic organisms are present in both media, they are primary producers, sink for CO 2 , and they represent a major point of en…
View article: Correction: Spatiotemporal distribution and speciation of silver nanoparticles in the healing wound
Correction: Spatiotemporal distribution and speciation of silver nanoparticles in the healing wound Open
Correction for ‘Spatiotemporal distribution and speciation of silver nanoparticles in the healing wound’ by Marco Roman et al. , Analyst , 2020, 145 , 6456–6469, DOI: 10.1039/D0AN00607F.
View article: The ID21 beamline at ESRF: Sub-micron spectroscopy under cryo conditions for life and environmental sciences
The ID21 beamline at ESRF: Sub-micron spectroscopy under cryo conditions for life and environmental sciences Open
View article: Fourier transform infrared spectroscopy contribution to disentangle nanomaterial (DWCNT, TiO<sub>2</sub>) impacts on tomato plants
Fourier transform infrared spectroscopy contribution to disentangle nanomaterial (DWCNT, TiO<sub>2</sub>) impacts on tomato plants Open
FTIR appears as a very efficient technique to screen nanomaterial effects on organisms and speed up risk assessment.
View article: Consequences of land use change on soil organic matter composition and C-P relationships in Amazonian Dark Earth and Acrisol
Consequences of land use change on soil organic matter composition and C-P relationships in Amazonian Dark Earth and Acrisol Open
View article: Apports des techniques spectroscopiques en biologie végétale
Apports des techniques spectroscopiques en biologie végétale Open
Si les techniques spectroscopiques basées sur les très grandes infrastructures de recherche (TGIR) sont couramment utilisées dans des disciplines telles que la physique ou encore les sciences des matériaux, elles sont moins répandues chez …
View article: Microspectroscopy reveals dust-derived apatite grains in acidic, highly-weathered Hawaiian soils
Microspectroscopy reveals dust-derived apatite grains in acidic, highly-weathered Hawaiian soils Open
Dust deposition is an important source of phosphorus (P) to many ecosystems. However, there is little evidence of dust-derived P-containing minerals in soils. Here we studied P forms along a well-described climatic gradient on Hawaii, whic…
View article: Effect of phosphorus supply on root traits of two Brassica oleracea L. genotypes
Effect of phosphorus supply on root traits of two Brassica oleracea L. genotypes Open
View article: Are the Naica giant crystals deteriorating because of human action?
Are the Naica giant crystals deteriorating because of human action? Open
The giant gypsum crystals of Naica cave have fascinated scientists since their discovery in 2000. Human activity has changed the microclimate inside the cave, making scientists wonder about the potential environmental impact on the crystal…
View article: <i>Medicago truncatula</i> Ferroportin2 mediates iron import into nodule symbiosomes
<i>Medicago truncatula</i> Ferroportin2 mediates iron import into nodule symbiosomes Open
Summary Iron is an essential cofactor for symbiotic nitrogen fixation, required by many of the enzymes involved, including signal transduction proteins, O 2 homeostasis systems, and nitrogenase itself. Consequently, host plants have develo…