Results 91 to 100 of about 2,568,206 (333)
The importance of temporal and spatial incoherence in quantitative interpretation of 4D-STEM
Ultramicroscopy, 2020 Recent developments in pixelated detectors, when combined with aberration correction of probe forming optics have greatly enhanced the field of scanning electron diffraction. Differential phase contrast is now routine and deep learning has been proposed as a method to extract maximum information from diffraction patterns. This work examines the effects
Mark P, Oxley, Ondrej E, Dyck
openaire +3 more sources
Cutaneous Melanoma Drives Metabolic Changes in the Aged Bone Marrow Immune Microenvironment
Aging and Cancer, EarlyView.Melanoma, the deadliest form of skin cancer, increasingly affects older adults. Our study reveals that melanoma induces changes in iron and lipid levels in the bone marrow, impacting immune cell populations and increasing susceptibility to ferroptosis.
Alexis E. Carey +12 more
wiley +1 more source
Scientific ReportsUnsupervised machine learning techniques have been combined with scanning transmission electron microscopy (STEM) to enable comprehensive crystal structure analysis with nanometer spatial resolution.
Koji Kimoto +5 more
doaj +1 more source
Grain Rotation and Crack Propagation in Bulge-Tested Gold Films with 4D-STEM
JOMThis work investigates the stable crack propagation in notched, ultrafine-grained, freestanding Au films under cyclic loading with a bulge tester. Using intermittent transmission electron microscopy, including 4D scanning transmission electron microscopy,
David D. Gebhart +5 more
semanticscholar +1 more source
CX3CL1 in Early Detection of Alzheimer's Disease: Plasma Dynamics Across Age and Disease Stages
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Backgrounds Alzheimer's disease (AD) is characterized by amyloid‐beta plaques, tau tangles, and neuroinflammation. C‐X3‐C motif chemokine ligand 1 (CX3CL1, also known as fractalkine), a neuroimmune chemokine implicated in AD pathogenesis, shows inconsistent alterations in plasma/serum across studies.
Ling Wang +6 more
wiley +1 more source
APL MaterialsThis study considers the issue of automated segmentation of scanning transmission electron microscopy (STEM) datasets using unsupervised machine learning approaches.
Zhiquan Kho +5 more
doaj +1 more source
Digit ratio (2D:4D) and male facial attractiveness: New data and a meta-analysis
, 2013 Digit ratio (2D:4D) appears to correlate negatively with prenatal testosterone (T) effects in humans. As T probably increases facial masculinity, which in turn might be positively related to male facial attractiveness, a number of studies have looked ...
Honekopp, Johannes, Johannes Hönekopp
core +1 more source
Neural crest-derived stem cells [PDF]
, 2010 The neural crest is a transient embryonic structure in vertebrates that gives rise to most of the peripheral nervous system (PNS) and to several non-neural cell types, including smooth muscle cells of the cardiovascular system, pigment cells in the skin,
Sommer, L, Shakhova, O
core +1 more source
Annals of Clinical and Translational Neurology, EarlyView.Epigenetic reprogramming in hematopoietic stem and progenitor cells (HSPCs) and downstream myeloid cells, mediated by H3.3 downregulation and endogenous retroelement (ERE) overexpression, contributes to the progression of multiple sclerosis (MS). ABSTRACT Background Skewed myelopoiesis in the bone marrow has been identified as a key driver of multiple ...
Li‐Mei Xiao +6 more
wiley +1 more source
Dielectrophoresis: A Review of Applications for Stem Cell Research [PDF]
, 2010 Dielectrophoresis can discriminate distinct cellular identities in heterogeneous populations, and monitor cell state changes associated with activation and clonal expansion, apoptosis, and necrosis, without the need for biochemical labels.
De Sousa, Paul +7 more
core +1 more source