Publications by authors named "M Engel"
The earliest large carpenter bee () and its adhering pollen (Araliaceae, Theaceae).
Paleobiodivers Paleoenviron
May 2024
The association of pollinators with their host plants is a critical element of ecosystem functioning and one that is usually determined indirectly in the fossil record from specific morphological traits of flowers or putative pollinating animals. The exceptionally fine preservation at Messel, Germany, offers an excellent source of data on pollen from fossil flowers as well as preserved adhering to insects as direct evidence of their association with specific floral lineages. Here, we report on pollen recovered from the body and legs of a large carpenter bee (Apidae: Xylocopinae: Xylocopini) from the Eocene of Messel.
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- The study investigates the effectiveness of a surgical procedure (extended strip craniectomy with bilateral barrel staving) for treating isolated craniosynostosis of the sagittal suture in infants, specifically focusing on its impact on cranial shape without directly addressing forehead issues.
- Results showed significant improvements in aspects like bossing angle and cephalic index over a year, although the cranial shape did not entirely match that of healthy peers, indicating partial normalization but not complete correction.
- The research validates 3D photogrammetry as a useful noninvasive tool for assessing cranial changes post-surgery, suggesting potential for wider clinical applications in monitoring cranial morphology.
The Psychosocial Burden of Pediatric Food Allergy in the United States: A Population-Based Survey.
J Allergy Clin Immunol Pract
December 2024
Background: Food allergy (FA) affects approximately one in 12 US children, with prevalence increasing. Aside from considerable health care utilization, accumulating research suggests heightened psychosocial burden among this population.
Objective: To characterize FA-related psychosocial burden among a large, nationally representative pediatric sample, and its correlates, including sociodemographic characteristics, comorbid conditions, allergy severity, allergic symptoms, number and type of allergens, and healthcare utilization.
Quasicrystals are unique materials characterized by long-range order without periodicity. They are observed in systems such as metallic alloys, soft matter, and particle simulations. Unlike periodic crystals, which are invariant under real-space symmetry operations, quasicrystals possess symmetry that requires description by a space group in reciprocal space.
View Article and Find Full Text PDFThree new species of plate-thigh beetles are described and figured from mid-Cretaceous Kachin amber, all representing the extant genus Eucinetus Germar. The species, Eucinetus debilispinus Li & Cai sp. nov.
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