Results 81 to 90 of about 87,128 (297)

Melanin's Role in Balancing Mechanical Strength and Reproductive Output in Environmentally Stressed Fungal Spores

open access: yesAdvanced Functional Materials, EarlyView.
Melanin content directly controls fungal spore mechanical properties, with pigmented spores achieving rupture forces two orders of magnitude higher than hyaline spores. Environmental stress drives this quantity‐quality tradeoff; stressed species invest energy in melanin‐reinforced, mechanically superior thick‐walled, super‐hydrophobic spores, while ...
Atul Agrawal, Steven E. Naleway
wiley   +1 more source

Fossil Footprints of Western North America

open access: yes, 2014
Footprints, Fossil -- West (U.S.); Dinosaur tracks -- West (U.S.); Trace fossils -- West (U.S.
Martin G. Lockley and Spencer G. Lucas
core  

The use of biochar for reducing carbon footprints in land-use systems: prospects and problems

open access: yes, 2022
Biochar, a carbonaceous solid material obtained from the pyrolysis of biomass, has received considerable research attention because of its unique properties and potential to improve crop yields and soil carbon (C) sequestration while reducing ...
Nair, Vimala D., Mukherjee, Atanu
core  

What Was the “Devil’s” Body Size? Reflections on the Body Mass and Stature of the Foresta Hominin Trackmakers (Roccamonfina Volcano, Italy)

open access: yesQuaternary
The challenging task of correctly estimating the body size of prehistoric hominins from footprint dimensions has been a matter of long debate, but researchers are still divided about the best methodological approach for obtaining compelling estimates ...
Maria Rita Palombo, Adolfo Panarello
doaj   +1 more source

A Comparison of the Dinosaur Communities from the Middle Jurassic of the Cleveland (Yorkshire) and Hebrides (Skye) Basins, Based on Their Ichnites

open access: yesGeosciences, 2018
Despite the Hebrides and Cleveland basins being geographically close, research has not previously been carried out to determine faunal similarities and assess the possibility of links between the dinosaur populations.
Mike Romano   +2 more
doaj   +1 more source

Ultrathin Amphipathic Dual‐Polymer Networks: Unlocking Hyper‐Permeable CO2 Capture via Solvent‐Mediated Poly(Ethylene Oxide) Amorphization

open access: yesAdvanced Functional Materials, EarlyView.
Hydrophilic PEO‐copolymers and hydrophobic PDMS are physically integrated via a compatibilizing solvent into an amphipathic dual‐polymer network with versatile interfacial affinity and completely amorphized PEO segments for hyper‐permeable CO2 transport.
Ji Wu   +9 more
wiley   +1 more source

A Magneto‐Mechanically Activated Nerve Guidance Conduit Promotes Peripheral Nerve Regeneration via TIMP1‐Mediated Membrane Tension Transfer

open access: yesAdvanced Functional Materials, EarlyView.
This study presents a magneto‐mechanical strategy that incorporates FP@MSCs into an aligned PCL/GelMA nerve guidance conduit. Magnetic stimulation increases membrane tension in FP@MSCs, triggering cytoskeletal remodeling, Schwann cell‐like differentiation, and TIMP1 secretion. TIMP1 activates ITGB1/CD63–FAK signaling in NE‐4C cells, increasing membrane
Xinyu Zhu   +14 more
wiley   +1 more source

Why carbon footprinting (and carbon labelling) only tells half the story [PDF]

open access: yes, 2009
The UK is a world leader in the use of carbon footprints. The introduction of PAS2050 has legitimised carbon footprinting and manufacturers and retailers have responded by estimating carbon footprints for selected products.
Lillywhite, Robert, Collier, Rosemary
core  

Baseline and business-as-usual (BAU) agricultural footprints for major farm types across England

open access: yes, 2021
Recent June Agricultural Census (2016) data at EU WFD waterbody scale were integrated with UKCP18 baseline rainfall (1981-2010) and NatMap 1000 soil data to generate representative model farms for 90 Water Management Catchments (WMCs) across England. For
Collins, A. L., Zhang, Y.
core   +1 more source

The Footprint Sorting Problem

open access: yesJournal of Chemical Information and Computer Sciences, 2004
Phylogenetic footprints are short pieces of noncoding DNA sequence in the vicinity of a gene that are conserved between evolutionary distant species. A seemingly simple problem is to sort footprints in their order along the genomes. It is complicated by the fact that not all footprints are collinear: they may cross each other.
Claudia Fried   +4 more
openaire   +5 more sources

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