Results 81 to 90 of about 507,954 (312)

Design of an Achromatic Graphene Oxide Metalens with Multi-Wavelength for Visible Light

Photonics
Dispersion control is a critical aspect in nano-optical systems. Moreover, chromatic aberration significantly impacts image quality. Despite metasurfaces being a novel approach to tackle chromatic aberration in diffractive lenses, numerous challenges ...
Yuxi Chen, Yongchang Ding, Haowen Yu, Xueyan Li   +3 more
doaj   +1 more source

Video-rate or high-precision: A flexible range imaging camera

, 2008
A range imaging camera produces an output similar to a digital photograph, but every pixel in the image contains distance information as well as intensity.
Dorrington, Adrian A., Payne, Andrew D., Conroy, Richard M., Andrew D. Payne, Jongenelen, Adrian P.P., Adrian A. Dorrington, Adrian P. P. Jongenelen, Carnegie, Dale A., Michael J. Cree, John P. Godbaz, Godbaz, John Peter, Dale A. Carnegie, Richard M. Conroy, Cree, Michael J.   +13 more
core   +1 more source

IMPDH inhibition enhances cytarabine efficacy in SAMHD1‐expressing leukaemia cells via guanine nucleotide depletion

Molecular Oncology, EarlyView.
Cytarabine is a key therapy for acute myeloid leukaemia (AML), but its efficacy is limited by the dNTPase SAMHD1, which hydrolyses its active metabolite. Screening nucleotide biosynthesis inhibitors revealed that IMPDH inhibitors selectively sensitise SAMHD1‐proficient AML cells to cytarabine.
Miriam Yagüe‐Capilla, Christopher Dirks, Caroline Eiden, Sonja K. Fesenmayer, Femke M. Hormann, Yolande Klootsema, Ingrid Lilienthal, Si Min Zhang, Nikolas Herold, Sean G. Rudd   +9 more
wiley   +1 more source

Wavefront division digital holography

AIP Advances, 2018
Digital holography (DH), mostly Mach-Zehnder configuration based, belongs to non-common path amplitude splitting interference imaging whose stability and fringe contrast are environmental sensitive.
Wenhui Zhang, Liangcai Cao, Rujia Li, Hua Zhang, Hao Zhang, Qiang Jiang, Guofan Jin   +6 more
doaj   +1 more source

Keratin 19 as a prognostic marker and contributing factor of metastasis and chemoresistance in high‐grade serous ovarian cancer

Molecular Oncology, EarlyView.
Keratin 19 (KRT19) is overexpressed in high‐grade serous ovarian cancer with high levels of Kallikrein‐related peptidases (KLK) 4–7 and is associated with poor survival. In vivo analyses demonstrate that elevated KRT19 increases peritoneal tumour burden.
Sophia Bielesch, Isabel Vogel, Sina Nokodian, Johanna Moeller, Antonia Blechschmidt, Vicky Hecht, Vanessa Kuentzel, Katharina Thiedig, Melissa Schwab, Oliver Schilling, Holger Bronger, Marion Kiechle, Viktor Magdolen, Tobias Dreyer   +13 more
wiley   +1 more source

Three-dimensional computer holography with phase space tailoring

PhotoniX
Computer holography is a prominent technique for reconstructing customized three-dimensional (3D) diffraction fields. However, the quality of optical reconstruction remains a fundamental challenge in 3D computer holography, especially for the 3D ...
Runze Zhu, Lizhi Chen, Jiasheng Xiao, Hao Zhang   +3 more
doaj   +1 more source

A Stylus-Based Calibration Method for Robotic Belt Grinding Tools

Applied Sciences
To address the tool calibration challenge in robotic systems equipped with grinding tools, this paper proposes a high-precision method utilizing a stylus assembly and the Particle Swarm Optimization (PSO) algorithm.
Di Chang, Yichao Wang, Yi Chen, Lieshan Zhang   +3 more
doaj   +1 more source

Segment-Resolved Gas Concentration Measurements by a Time Domain Multiplexed Dual Comb Method

Sensors, 2020
Locating gas concentration changes in widespread locations can be conducive to environmental atmospheric detection, gas emissions monitoring, production process control, etc.
Xinyi Chen, Weipeng Zhang, Yujia Zhang, Minjian Lu, Yan Li, Haoyun Wei   +5 more
doaj   +1 more source

High precision angle calibration for spherical measurement systems [PDF]

The European Synchrotron Radiation Facility (ESRF) located in Grenoble, France is a joint facility supported and shared by 19 European countries. It operates the most powerful synchrotron radiation source in Europe.
Martin, David G.
core  

Somatic mutational landscape in von Hippel–Lindau familial hemangioblastoma

Molecular Oncology, EarlyView.
The causes of central nervous system (CNS) hemangioblastoma in Von Hippel–Lindau (vHL) disease are unclear. We used Whole Exome Sequencing (WES) on familial hemangioblastoma to investigate events that underlie tumor development. Our findings suggest that VHL loss creates a permissive environment for tumor formation, while additional alterations ...
Maja Dembic, Anne Nørremølle, Lilian Bomme Ousager, Lars van Brakel Andersen, Marie Louise Mølgaard Binderup, Mads Thomassen   +5 more
wiley   +1 more source