Results 181 to 190 of about 4,279 (218)

Pollination by long‐proboscid horseflies and its implications for reproductive isolation among coflowering Satyrium orchids in South Africa

open access: yesAmerican Journal of Botany, EarlyView.
Abstract Premise Floral adaptations to pollinators can drive lineage diversification and promote coexistence of species. We investigated the reproductive biology of Satyrium longicolle, a South African orchid that we hypothesized to belong to a long‐proboscid horsefly pollination guild and examined overlap of pollinators and floral traits among ...
Steven D. Johnson   +3 more
wiley   +1 more source

Local Chemical Gradients in a Mammalian Cortex Measured In Vivo With a Silicon Nanodialysis Mass Spectrometry Platform

open access: yesAngewandte Chemie, EarlyView.
Fluorescence image of the coronal slice of mouse brain where multiple neurochemicals have been measured in vivo with a nanodialysis platform coupled to CE‐MS to reveal strong millimeter‐scale spatial chemical gradients. Formation and maintenance of such local chemical compartments in the otherwise diffusion‐homogeneous cortex indicates strong ...
Weihua Shi   +5 more
wiley   +2 more sources

Cell therapy comparison of dental pulp stem cells, hepatocytes, and their exosomes for liver fibrosis treatment in rats

open access: yesAnimal Models and Experimental Medicine, EarlyView.
DPSCs, hepatocytes, and exosomes were tested for liver fibrosis therapy. Exosome‐based treatment exhibited superior antioxidative and regenerative effects. Liver enzymes, oxidative stress, and profibrotic markers were significantly reduced. α‐SMA, desmin, and related gene expression were downregulated.
Sahar Rahimi   +3 more
wiley   +1 more source

Constructing the human brain metabolic connectome with MR spectroscopic imaging reveals cerebral biochemical organization. [PDF]

open access: yesNat Commun
Lucchetti F   +6 more
europepmc   +1 more source

Systematic Benchmarking of a Noise-Tolerant Conductive Hydrogel Electrode for Epidermal Bioelectronics. [PDF]

open access: yesAdv Sci (Weinh)
Alsaafeen N   +11 more
europepmc   +1 more source

A deep learning pipeline for mapping in situ network-level neurovascular coupling in multi-photon fluorescence microscopy. [PDF]

open access: yesElife
Rozak MW   +9 more
europepmc   +1 more source

A Chiral Saddle‐Shaped Nanographene With Two Heptagon‐Embedded [4]Helicenes

open access: yesAngewandte Chemie International Edition, EarlyView.
We present a novel synthetic strategy toward a chiral saddle‐shaped nanographene (cSNG) via a two‐step oxidation of a prochiral anthracene precursor. The Scholl‐type oxidation first yields a key intermediate with sp3‐defect heptagons, and subsequent oxidative dehydrogenation affords fully conjugated cSNG.
Felix Trautner   +11 more
wiley   +1 more source

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