Results 61 to 70 of about 27,362 (303)

Equilibrium Fractionation of Stable Strontium Isotopes During Adsorption to Mn Oxides

Geochemistry, Geophysics, Geosystems
Understanding the stable strontium isotope fractionation between seawater and ferromanganese crusts/nodules is crucial for reconstructing seawater Sr isotopic history.
Ben Liu, Guanhong Zhu, Jinlong Ma, Le Zhang, Gangjian Wei   +4 more
doaj   +1 more source

Glucose Deprivation‐Driven Concurrent Induction of Apoptosis/Disulfidptosis/Ferroptosis by Tumor Targeting Nanoassemblies in Triple‐Negative Breast Cancer Therapy

Advanced Functional Materials, EarlyView.
Innovative hybrid nanoassemblies installed with ferrocene, D‐α‐tocopherol succinate, and phloretin exploit the metabolic vulnerability of triple‐negative breast cancer under glucose starvation. By blocking glucose uptake, this single nanoplatform simultaneously orchestrates apoptosis, disulfidptosis, and ferroptosis to achieve synergistic and ...
Song Yi Lee, ChaeRim Hwang, Seong Eun Kim, Mrinmoy Karmakar, Seo Jin Jung, Hyeonseok Jang, Hae‐In Kim, Heejung Yang, Junmin Lee, Dae‐Duk Kim, Hyun‐Jong Cho   +10 more
wiley   +1 more source

The mass-dependence of cadmium isotope fractionation during evaporation

, 2004
Mass fractionation laws relate the fractionation factor αA for one isotope ratio to the fractionation factor αB for a second isotope ratio of the same element, with a fractionation exponent β such that αA = αBβ. The exponent β defines the mass-dependence
Mezger, K., Mezger, Klaus, Rehkämper, Mark, Wombacher, Frank   +3 more
core   +1 more source

Affinity‐Tuned Albumin Hitchhiking Extends the Bioorthogonal Capture Window in Pretargeting Radiotheranostics

Advanced Healthcare Materials, EarlyView.
Pharmacokinetic engineering of clickable radioligands was achieved via albumin hitchhiking approach within a pretargeted radiotheranostics delivery platform. This approach reduced rapid renal elimination, expanded bioorthogonal capture window, boosted tumor uptake by ∼3.5‐fold, and improved the tumor‐to‐liver ratio by ∼6‐fold.
Xie He, Nicholas L. Fletcher, Gayathri R. Ediriweera, Yifei Zhu, James Humphries, Christopher B. Howard, Jiazheng Wang, Craig A. Bell, Kristian Kempe, Kristofer J. Thurecht   +9 more
wiley   +1 more source

Magnesium isotope fractionation during hydrous magnesium carbonate precipitation with and without cyanobacteria [PDF]

, 2012
The hydrous magnesium carbonates, nesquehonite (MgCO3·3H2O) and dypingite (Mg5(CO3)4(OH)2·5(H2O)), were precipitated at 25 °C in batch reactors from aqueous solutions containing 0.05 M NaHCO3 and 0.025 M MgCl2 and in the presence and absence of live ...
Eric H. Oelkers, Pokrovsky, Oleg S., Pearce, Christopher R., Liudmila S. Shirokova, Christopher R. Pearce, Vasileios Mavromatis, Oleg S. Pokrovsky, Bundeleva, Irina A., Benezeth, Pascale, Pokrovsky, Oleg, Bundeleva, Irina, Oelkers, Eric, Shirokova, Liudmila S., Oelkers, Eric H., Pearce, Christopher, Shirokova, Liudmila, Pascale Benezeth, Irina A. Bundeleva, Mavromatis, Vasileios   +18 more
core   +1 more source

Molecular insights into the dynamic relationship between respiration rate and sulfur isotope effect

Applied and Environmental Microbiology
Microbial sulfate reduction and its resulting sulfur isotope effects are crucial for understanding the past and present sulfur cycle. Microbial S-isotope effects have often been explained by their inverse correlation with the cell-specific sulfur ...
Dong Kyun Woo, Bokyung Kim, Yuichiro Ueno, Shawn Erin McGlynn, Min Sub Sim   +4 more
doaj   +1 more source

Sulfur Isotope Effects of Dissimilatory Sulfite Reductase

Frontiers in Microbiology, 2015
The precise interpretation of environmental sulfur isotope records requires a quantitative understanding of the biochemical controls on sulfur isotope fractionation by the principle isotope-fractionating process within the S cycle, microbial sulfate ...
William D. Leavitt, William D. Leavitt, Alexander S. Bradley, Alexander S. Bradley, André A. Santos, Inês A. Cardoso Pereira, David Thomas Johnston   +6 more
doaj   +1 more source

Laser Ablation Ionization Mass Spectrometry: A Space Prototype System for In Situ Sulphur Isotope Fractionation Analysis on Planetary Surfaces

Frontiers in Astronomy and Space Sciences, 2021
The signatures of element isotope fractionation can be used for the indirect identification of extant or extinct life on planetary surfaces or their moons.
Andreas Riedo, Valentine Grimaudo, Joost W. Aerts, Rustam Lukmanov, Marek Tulej, Peter Broekmann, Robert Lindner, Peter Wurz, Pascale Ehrenfreund, Pascale Ehrenfreund   +9 more
doaj   +1 more source

Artificial Intelligence‐Assisted Workflow for Transmission Electron Microscopy: From Data Analysis Automation to Materials Knowledge Unveiling

Advanced Materials, EarlyView.
AI‐Assisted Workflow for (Scanning) Transmission Electron Microscopy: From Data Analysis Automation to Materials Knowledge Unveiling. Abstract (Scanning) transmission electron microscopy ((S)TEM) has significantly advanced materials science but faces challenges in correlating precise atomic structure information with the functional properties of ...
Marc Botifoll, Ivan Pinto‐Huguet, Enzo Rotunno, Thomas Galvani, Catalina Coll, Payam Habibzadeh Kavkani, Maria Chiara Spadaro, Yann‐Michel Niquet, Martin Børstad Eriksen, Sara Martí‐Sánchez, Georgios Katsaros, Giordano Scappucci, Peter Krogstrup, Giovanni Isella, Andreu Cabot, Gonzalo Merino, Pablo Ordejón, Stephan Roche, Vincenzo Grillo, Jordi Arbiol   +19 more
wiley   +1 more source

Calcium isotope fractionation during microbially induced carbonate mineral precipitation

, 2020
We report the calcium isotope fractionation during the microbially-induced precipitation of calcium carbonate minerals in pure cultures of the marine sulfate-reducing bacterium Desulfovibrio bizertensis.

core   +2 more sources