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278 results
  • Application of the pinwheel flap for closure of a large defect of the scalp. [Journal Article]
    BMJ Case Rep 2019; 12(8)Varnalidis I, Mantelakis A, … Papadopoulou AN
  • A 74-year-old man had a resultant large oval scalp defect of 12×6 cm (72 cm2) following an excision of a stage IIIA melanoma. We decided to cover the defect with the pinwheel flap, with the aim to provide a good cosmetic result, preservation of hair follicles and minimal donor-site morbidity. This local flap has been traditionally used for much smaller defects. Four L-shaped flaps were designed a…
  • Subdomains within orientation columns of primary visual cortex. [Journal Article]
    Sci Adv 2019; 5(6):eaaw0807Li M, Song XM, … Li CY
  • In the mammalian visual system, early stages of visual form processing begin with orientation-selective neurons in primary visual cortex (V1). In many species (including humans, monkeys, tree shrews, cats, and ferrets), these neurons are organized in a beautifully arrayed pinwheel-like orientation columns, which shift in orientation preference across V1. However, to date, the relationship of orie…
  • Development of Ependymal and Postnatal Neural Stem Cells and Their Origin from a Common Embryonic Progenitor. [Journal Article]
    Cell Rep 2019; 27(2):429-441.e3Redmond SA, Figueres-Oñate M, … Alvarez-Buylla A
  • The adult mouse brain contains an extensive neurogenic niche in the lateral walls of the lateral ventricles. This epithelium, which has a unique pinwheel organization, contains multiciliated ependymal (E1) cells and neural stem cells (B1). This postnatal germinal epithelium develops from the embryonic ventricular zone, but the lineage relationship between E1 and B1 cells remains unknown. Distinct…
  • Superferromagnetism and Domain-Wall Topologies in Artificial "Pinwheel" Spin Ice. [Journal Article]
    ACS Nano 2019; 13(2):2213-2222Li Y, Paterson GW, … Stamps RL
  • For over ten years, arrays of interacting single-domain nanomagnets, referred to as artificial spin ices, have been engineered with the aim to study frustration in model spin systems. Here, we use Fresnel imaging to study the reversal process in "pinwheel" artificial spin ice, a modified square ASI structure obtained by rotating each island by some angle about its midpoint. Our results demonstrat…
  • A Cycloheximide-Sensitive Step in Transverse Microtubule Array Patterning. [Journal Article]
    Plant Physiol 2018; 178(2):684-698Elliott A, Shaw SL
  • The growth properties of individual cells within a tissue determine plant morphology, and the organization of the cytoskeleton, particularly the microtubule arrays, determines cellular growth properties. We investigated the mechanisms governing the formation of transverse microtubule array patterns in axially growing Arabidopsis (Arabidopsis thaliana) epidermal hypocotyl cells. Using quantitative…
  • DNA-Guided Plasmonic Helix with Switchable Chirality. [Journal Article]
    J Am Chem Soc 2018; 140(37):11763-11770Lan X, Liu T, … Liu Y
  • The ability to dynamically tune the self-assembled structures of nanoparticles is of significant interest in the fields of chemistry and material studies. However, it continues to be challenging to dynamically tune the chiral superstructures of nanoparticles and actively switch the chiral optical properties thereof. Here, we dynamically controlled a gold nanorod 3D chiral plasmonic superstructure…
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