Results 91 to 100 of about 805,844 (283)

Silicon Carbide Photonic Crystal Cavities with Integrated Color Centers

open access: yes, 2014
The recent discovery of color centers with optically addressable spin states in 3C silicon carbide (SiC) similar to the negatively charged nitrogen vacancy center in diamond has the potential to enable the integration of defect qubits into established ...
Awschalom, David D.   +2 more
core   +1 more source

Tau acetylation at K331 has limited impact on tau pathology in vivo

open access: yesFEBS Letters, EarlyView.
We mapped tau post‐translational modifications in humanized MAPT knock‐in mice and in amyloid‐bearing double knock‐in mice. Acetylation within the repeat domain, particularly around K331, showed modest increases under amyloid pathology. To test functional relevance, we generated MAPTK331Q knock‐in mice.
Shoko Hashimoto   +3 more
wiley   +1 more source

Color image segmentation using a spatial k-means clustering algorithm [PDF]

open access: yes, 2006
This paper details the implementation of a new adaptive technique for color-texture segmentation that is a generalization of the standard K-Means algorithm. The standard K-Means algorithm produces accurate segmentation results only when applied to images
Ilea, Dana E., Whelan, Paul F.
core  

Spontaneous emission of color centers at 4eV in hexagonal boron nitride under hydrostatic pressure

open access: yes, 2019
The light emission properties of color centers emitting in 3.3-4 eV region are investigated for hydrostatic pressures ranging up to 5GPa at liquid helium temperature.
Cassabois, Guillaume   +5 more
core   +3 more sources

Structural insights into an engineered feruloyl esterase with improved MHET degrading properties

open access: yesFEBS Letters, EarlyView.
A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa   +5 more
wiley   +1 more source

Research Progress of Radiation-Resistant Optical Glass

open access: yesJournal of Isotopes
Optical glass has significant applications in fields such as nuclear industry and aerospace. When optical glass works in the above scenarios,it often exposed to the impact of radiation fields.
Tongtong SUN, Yuqing WANG
doaj   +1 more source

Diamond nano-pyramids with narrow linewidth SiV centers for quantum technologies

open access: yes, 2018
Color centers in diamond are versatile solid state atomic-like systems suitable for quantum technological applications. In particular, the negatively charged silicon vacancy center (SiV) can exhibit a narrow photoluminescence (PL) line and lifetime ...
Delord, T.   +4 more
core   +2 more sources

Integrated genomic and proteomic profiling reveals insights into chemoradiation resistance in cervical cancer

open access: yesMolecular Oncology, EarlyView.
A comprehensive genomic and proteomic analysis of cervical cancer revealed STK11 and STX3 as a potential biomarkers of chemoradiation resistance. Our study demonstrated EGFR as a therapeutic target, paving the way for precision strategies to overcome treatment failure and the DNA repair pathway as a critical mechanism of resistance.
Janani Sambath   +13 more
wiley   +1 more source

Strongly inhomogeneous distribution of spectral properties of silicon-vacancy color centers in nanodiamonds

open access: yesNew Journal of Physics, 2018
The silicon-vacancy (SiV) color center in diamond is a solid-state single photon emitter and spin quantum bit suited as a component in quantum devices.
Sarah Lindner   +9 more
doaj   +1 more source

Relation between Center Coloring and the other Colorings

open access: yesNatural and Engineering Sciences, 2018
In this paper, center coloring and center coloring number are defined, some bounds are established for the center coloring number of a graph in terms of other graphical coloring parameters, and a polynomial time algorithm is proposed in order to calculate the center coloring of a graph.
Ors Yorgancioglu, Zeynep   +2 more
openaire   +3 more sources

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