5 results match your criteria: "Humanities Nazarbayev University[Affiliation]"
A highly efficient hybrid fiber optic laser using a cesium atom vapor cell as an optical gain medium.
Sci Rep
March 2025
Photonic Device Physics Laboratory, Department of Physics, Yonsei University, 50 Yonsei-ro, Seodaemun-Gu, Seoul, 03722, Korea.
A new scheme of a highly efficient hybrid laser cavity is proposed and experimentally demonstrated utilizing a hot cesium (Cs) vapor cell as an optical gain medium. The laser cavity consists of a macroscopic concave reflector (> 99% reflectivity) and a 4% Fresnel-reflecting facet of a single mode fiber (SMF). The cesium gain cell is located between these two reflectors.
View Article and Find Full Text PDFA comprehensive analysis of the impacts of Image Resolution and Scanning Times on the quality of MPI-reconstructed images.
Sci Rep
February 2025
Department of Biology, School of Sciences, Humanities Nazarbayev University, Astana, 010000, Kazakhstan.
Scanning trajectories are essential and important components of trajectory-based scanning and imaging systems such as laser scanning confocal microscopes, atomic force microscopes (AFM), laser scanning systems for aerial surveying (LiDAR), micro-electromechanical systems (MEMS), medical imaging and 2D/3D printing. Previous study has demonstrated that Sinusoidal Lissajous is the optimal scanning trajectory and proposed that increasing the scanning repetition could further enhance image quality. However, it is challenging to pinpoint the essential elements needed to enhance the quality of the reconstructed images since there is currently no comprehensive analysis of how the scanning trajectory resolution and scanning time affect the reconstructed image quality.
View Article and Find Full Text PDFGenetic Diversity of Human Enterovirus in Kazakhstan, during 2022.
Int J Microbiol
August 2024
National Center for Biotechnology, Astana, Kazakhstan.
Article Synopsis
- Enteroviral infections are common in children, leading to conditions like aseptic meningitis, herpangina, and hand, foot, and mouth disease, with limited subtype data in Kazakhstan.
- A study collected samples from 152 hospitalized children, identifying enteroviral subtypes through next-generation sequencing, focusing on the viral protein 1 (VP1) and whole-genome sequencing.
- The findings revealed that coxsackievirus CVA9 was the predominant serotype associated with herpangina, while aseptic meningitis showed a wider variety of echovirus and coxsackievirus serotypes, suggesting the need for further research on the clinical implications of these serotypes.
Whole genome sequence analysis of Neisseria meningitidis strains circulating in Kazakhstan, 2017-2018.
PLoS One
December 2022
CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC), Université Paris-Saclay, Gif-sur-Yvette, France.
Article Synopsis
- * A research study in Kazakhstan identified and sequenced 78 strains of N. meningitidis from patients and contacts during 2017-2018, using advanced genetic tools to analyze their diversity and relationships.
- * The study revealed ten different sequence types, including two new ones, and showed significant genetic diversity among strains, highlighting the importance of adapting vaccines to the prevalent strains in the region.
Carbon nanodots (C-dots) are emerging as a new type of promising agent in anticancer, imaging, and new energy. Reports as well as the previous research indicate that certain C-dots can enhance targeted cancer therapy. However, in-depth mechanisms for such anticancer effect remain unclear.
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