Results 171 to 180 of about 1,954 (252)

Quantification of the Eocene–Oligocene transition in the Zagros Foreland Basin: Palaeogeographic control on sequence architecture and tectonic signal preservation

open access: yesThe Depositional Record, Volume 12, Issue 3, June 2026.
New bio‐sequence framework for the Eocene–Oligocene transition in Zagros. Geochemical data validate basin depth control on SB1 vs. SB2 boundaries. SEM‐EDS analyses confirm subaerial exposure versus continuous deposition. Sensitivity analysis quantifies sub‐10% uncertainty in stratigraphic interpretations. Resolves the Pyrenean orogeny's variable impact
Sahar Rokni   +4 more
wiley   +1 more source

Bone Healing Response of Two Different Silicate‐Containing Calcium Phosphate Synthetic Bone Grafts in a Rabbit Femoral Critical‐Sized Defect Model

open access: yesJournal of Biomedical Materials Research Part B: Applied Biomaterials, Volume 114, Issue 6, June 2026.
ABSTRACT Synthetic materials based on calcium phosphates (CaP) are frequently used as bone graft substitutes when natural bone grafts are not available or not suitable. One approach used to enhance their performance is the incorporation of ions such as silicate ions, which are known to support osteointegration by stimulating bone formation. The present
Iain R. Gibson   +7 more
wiley   +1 more source

Atomic-scale structure of gadolinium in nanocrystalline fluorapatite from marine sediments.

open access: yesEnviron Sci Nano
Manceau A   +9 more
europepmc   +1 more source

Development of Eco-Friendly Hydrogels Loaded with Stoichiometric and Calcium-Deficient Hydroxyapatites for Sustainable Agriculture. [PDF]

open access: yesACS Appl Mater Interfaces
Yanovska G   +5 more
europepmc   +1 more source

Controversies Surrounding Critical‐Size Defects: Influence of Age and Biological Characteristics

open access: yesJournal of Biomedical Materials Research Part B: Applied Biomaterials, Volume 114, Issue 6, June 2026.
ABSTRACT Critical‐size defects (CSDs) in craniofacial reconstruction refer to osseous gaps that fail to heal spontaneously, increasing the risk of neurological impairment and craniofacial dysmorphology. Despite decades of investigation, controversy still exists surrounding the definition of CSDs, with criteria varying across species, experimental ...
Andrew Nordlund   +7 more
wiley   +1 more source

Progressively Fenitised Schist and Carbonatitic Clasts From a Metasomatic Aureole Beneath the Alkalic Dunedin Volcano, Otago, New Zealand

open access: yesNew Zealand Journal of Geology and Geophysics, Volume 69, Issue 2, June 2026.
Clasts of albite‐porphyroblastic quartzofeldspathic schist, derived from the Otago Schist basement, occur within the Port Chalmers Breccia, a diatreme at the centre of the Dunedin stratovolcano, New Zealand. Schists have undergone varying degrees of replacement reactions (at temperatures of 300° to >500°C) producing hornfelses, with Ca‐ and K‐enriched ...
Alan F. Cooper
wiley   +1 more source

Gadolinium-Doped Hydroxyapatite Nanoparticles Functionalized with Curcumin and Folic Acid: Structural Insights and Magnetic Behavior for Theranostic Applications. [PDF]

open access: yesMaterials (Basel)
Marinho JPN   +8 more
europepmc   +1 more source

Pleistocene and Holocene Mobility of Detrital Platinum in Southern New Zealand: Review and Regional Synthesis

open access: yesNew Zealand Journal of Geology and Geophysics, Volume 69, Issue 2, June 2026.
Detrital platinum group minerals (PGM) are rare and distinctive in Pleistocene–Holocene sedimentary systems of the southern South Island, thereby enabling tracking of their long‐distance transport for ∼200 km. The first ∼100 km of transport involved Pleistocene glaciofluvial processes southwards down the Waiau River, where PGM (principally Pt–Fe and Ru–
Dave Craw, Marshall Palmer
wiley   +1 more source

Antibiotics release by hybrid bone scaffold: relationship between kinetic profiles and scaffold intrinsic features. [PDF]

open access: yesFront Bioeng Biotechnol
Tavoni M   +6 more
europepmc   +1 more source

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