Biomineral armor in leaf-cutter ants
Although calcareous anatomical structures have evolved in diverse animal groups, such
structures have been unknown in insects. Here, we report the discovery of high-magnesium …
structures have been unknown in insects. Here, we report the discovery of high-magnesium …
Calcitic shells in the aragonite sea of the earliest Cambrian
The initial acquisition of calcium carbonate polymorphs (aragonite and calcite) at the onset
of skeletal biomineralization by disparate metazoans across the Ediacaran-Cambrian …
of skeletal biomineralization by disparate metazoans across the Ediacaran-Cambrian …
Coral acid rich protein selects vaterite polymorph in vitro
Corals and other biomineralizing organisms use proteins and other molecules to form
different crystalline polymorphs and biomineral structures. In corals, it's been suggested that …
different crystalline polymorphs and biomineral structures. In corals, it's been suggested that …
Assessing the nature of active sites on nanodiamonds as metal-free catalysts for the EB-to-ST direct dehydrogenation using a catalytic approach
L Feng, S Ali, C Xu, S Cao, G Tuci, G Giambastiani… - ACS …, 2022 - ACS Publications
The oxygen-free alkane direct dehydrogenation (DDH) is a greener, safer, and more
selective alternative to oxygen co-fed conditions to produce olefins. Carbon-based catalysts …
selective alternative to oxygen co-fed conditions to produce olefins. Carbon-based catalysts …
A decrease to low carbonate clumped isotope temperatures in Cryogenian strata
Preglacial and synglacial low‐latitude carbonate sediments of the Elbobreen Formation, NE
Svalbard, preserve facies changes associated with low‐latitude glacial advance in …
Svalbard, preserve facies changes associated with low‐latitude glacial advance in …
First sequencing of ancient coral skeletal proteins
Here we report the first recovery, sequencing, and identification of fossil biomineral proteins
from a Pleistocene fossil invertebrate, the stony coral Orbicella annularis. This fossil retains …
from a Pleistocene fossil invertebrate, the stony coral Orbicella annularis. This fossil retains …
Synthesis Attempt and Structural Studies of Novel A2CeWO6 Double Perovskites (A2+ = Ba, Ca) in and outside of Ambient Conditions
D Wlodarczyk, M Amilusik, KM Kosyl, M Chrunik… - ACS …, 2022 - ACS Publications
This comprehensive work showcases two novel, rock-salt-type minerals in the form of
amphoteric cerium–tungstate double perovskite and ilmenite powders created via a high …
amphoteric cerium–tungstate double perovskite and ilmenite powders created via a high …
Non-avian dinosaur eggshell calcite can contain ancient, endogenous amino acids
Proteins are the most stable of the macromolecules that carry genetic information over long
periods of time. Closed systems are more likely to retain endogenous proteins or their …
periods of time. Closed systems are more likely to retain endogenous proteins or their …
Kinetics and fractionation of carbon and oxygen isotopes during the solid-phase transformation of biogenic aragonite to calcite: The effect of organic matter
C Li, H Shen, X Sheng, H Wei, J Chen - Palaeogeography …, 2020 - Elsevier
The phase transformation of biogenic shells from aragonite to calcite can modify the primary
carbon and oxygen isotopic values (δ 13 C and δ 18 O), and thus affect their significance as …
carbon and oxygen isotopic values (δ 13 C and δ 18 O), and thus affect their significance as …
Autofluorescence of microborings in fossil freshwater bivalve shells
G Delvene, RP Lozano, L Piñuela, R Mediavilla… - Lethaia, 2022 - idunn.no
The microborings produced by euendolithic photoautotrophic microorganisms—
cyanobacteria, chlorophytes and rhodophytes—are ubiquitous in recent and fossil marine …
cyanobacteria, chlorophytes and rhodophytes—are ubiquitous in recent and fossil marine …