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25 Results Found

  • Article
  • Open Access
8 Citations
3,284 Views
20 Pages

An Accelerated Slicing Algorithm for Frep Models

  • Evgenii Maltsev,
  • Dmitry Popov,
  • Svyatoslav Chugunov,
  • Alexander Pasko and
  • Iskander Akhatov

23 July 2021

Complex 3D objects with microstructures can be modelled using the function representation (FRep) approach and then manufactured. The task of modelling a geometric object with a sophisticated microstructure based on unit cell repetition is often too c...

  • Article
  • Open Access
33 Citations
7,711 Views
18 Pages

Design and Fabrication of Complex-Shaped Ceramic Bone Implants via 3D Printing Based on Laser Stereolithography

  • Alexander Safonov,
  • Evgenii Maltsev,
  • Svyatoslav Chugunov,
  • Andrey Tikhonov,
  • Stepan Konev,
  • Stanislav Evlashin,
  • Dmitry Popov,
  • Alexander Pasko and
  • Iskander Akhatov

14 October 2020

3D printing allows the fabrication of ceramic implants, making a personalized approach to patients’ treatment a reality. In this work, we have tested the applicability of the Function Representation (FRep) method for geometric simulation of imp...

  • Article
  • Open Access
5 Citations
2,731 Views
17 Pages

The Carbon Storage of Reforestation Plantings on Degraded Lands of the Red Soil Region, Jiangxi Province, China

  • Peng Li,
  • Xiaojun Liu,
  • Chen Wang,
  • Yanjie Lu,
  • Laicong Luo,
  • Lingjian Tao,
  • Tingqi Xiao and
  • Yuanqiu Liu

7 February 2024

To assess the effects of reforestation on ecosystem carbon storage, a long-term Forest Restoration Experimental Project (FREP) was established in 1991 on southern degraded red soil in Taihe County, Jiangxi Province, China. In this study, we selected...

  • Article
  • Open Access
1 Citations
2,146 Views
15 Pages

Immunomodulatory Effect of Flammulina rossica Fermentation Extract on Healthy and Immunosuppressed Mice

  • Yingdi Dai,
  • Sijia Ma,
  • Yanyan Zhu,
  • Andrey A. Gontcharov,
  • Yang Liu and
  • Qi Wang

2 August 2023

Flammulina rossica fermentation extract (FREP) was obtained by ethanol precipitation of the fermentation broth. The molecular weight of FREP is 28.52 kDa, and it mainly contains active ingredients such as polysaccharides, proteins, reducing sugars, a...

  • Hypothesis
  • Open Access
6 Citations
4,632 Views
9 Pages

21 September 2021

Hypersensitivity to galactose-α-1,3-galactose (α-gal) is an informative example of a pathologic IgE-mediated process. By way of their saliva, ticks are able to sensitize humans to tick dietary elements that express α-gal. Mites, which along with tick...

  • Article
  • Open Access
15 Citations
3,995 Views
13 Pages

Fungal Metabolite Asperaculane B Inhibits Malaria Infection and Transmission

  • Guodong Niu,
  • Yue Hao,
  • Xiaohong Wang,
  • Jin-Ming Gao and
  • Jun Li

Mosquito-transmitted Plasmodium parasites cause millions of people worldwide to suffer malaria every year. Drug-resistant Plasmodium parasites and insecticide-resistant mosquitoes make malaria hard to control. Thus, the next generation of antimalaria...

  • Article
  • Open Access
5 Citations
4,243 Views
15 Pages

15 September 2020

The goal of partitioning clustering analysis is to divide a dataset into a predetermined number of homogeneous clusters. The quality of final clusters from a prototype-based partitioning algorithm is highly affected by the initially chosen centroids....

  • Article
  • Open Access
4 Citations
4,075 Views
14 Pages

8 November 2021

Although foamed plastic insulation is widely used in construction in the Korean market, it is vulnerable to fire. To improve the flame retardancy, the method of flame-retardant coating with the EG in water-soluble state on the surface of expanded pol...

  • Article
  • Open Access
2 Citations
2,130 Views
21 Pages

Synthesis of a Novel P/N-Triazine-Containing Ring Flame Retardant and Its Application in Epoxy Resin

  • Yi Yu,
  • Junlei Chen,
  • Anxin Ding,
  • Changzeng Wang,
  • Yunfei Wang and
  • Ling Yang

22 March 2024

To meet the environmental protection and flame retardancy requirements for epoxy resins (EPs) in certain fields, in this study, a novel triazine-ring-containing DOPO-derived compound (VDPD), derived from vanillin, 2,4-Diamino-6-phenyl-1,3,5-triazine,...

  • Article
  • Open Access
477 Views
10 Pages

28 November 2025

High-speed and broadband waveform generation based on using a Sinc2 sampled fiber grating (SFG) combined with a femtosecond laser source is investigated. The Sinc2 SFG provides linear wavelength divided multiplexing (WDM) time delay lines (TDLs) with...

  • Article
  • Open Access
9 Citations
2,751 Views
15 Pages

5 January 2023

To endow synergistically epoxy resin (EP) with excellent fire resistance and high optical transparency, a nitrogen-rich DOPO-based derivate (named as FATP) was synthesized and incorporated into EP. It showed that the incorporation of the FATP reduced...

  • Article
  • Open Access
7 Citations
4,041 Views
22 Pages

CAD/CAM System for Additive Manufacturing with a Robust and Efficient Topology Optimization Algorithm Based on the Function Representation

  • Dmitry Popov,
  • Yulia Kuzminova,
  • Evgenii Maltsev,
  • Stanislav Evlashin,
  • Alexander Safonov,
  • Iskander Akhatov and
  • Alexander Pasko

12 August 2021

Additive manufacturing erases the distance between design ideas and finished parts. However, designers must use several software tools to use these advantages. Moreover, these tools operate with different representations of geometry. This paper descr...

  • Article
  • Open Access
1,201 Views
17 Pages

10 August 2025

Currently, train component fault detection is predominantly carried out through manual inspection, a process that is inefficient, prone to high omission rates, and carries safety risks. This study proposes an innovative fault detection model for trai...

  • Article
  • Open Access
18 Citations
4,697 Views
12 Pages

15 November 2018

In this paper, phosphated K-carrageenan (P-KC) was obtained by reacting POCl3 with the renewable source K-carrageenan (KC). P-KC and 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) were added into waterborne epoxy (EP) to improve its flame...

  • Article
  • Open Access
8 Citations
3,343 Views
16 Pages

8 November 2021

Additive manufacturing (AM) has a greater potential to construct lighter parts, having complex geometries with no additional cost, by embedding cellular lattice structures within an object. The geometry of lattice structure can be engineered to achie...

  • Article
  • Open Access
14 Citations
3,455 Views
15 Pages

9 November 2019

Domoic acid (DA) is an amnesic shellfish poisoning toxin produced by some species of the genera Pseudo-nitzschia and Nitzschia. This toxin has harmful effects on various species, especially scallops. This study aimed to investigate the effects of DA...

  • Article
  • Open Access
31 Citations
6,204 Views
13 Pages

Marine Toxin Okadaic Acid Affects the Immune Function of Bay Scallop (Argopecten irradians)

  • Cheng Chi,
  • Sib Sankar Giri,
  • Jin Woo Jun,
  • Hyoun Joong Kim,
  • Saekil Yun,
  • Sang Guen Kim and
  • Se Chang Park

24 August 2016

Okadaic acid (OA) is produced by dinoflagellates during harmful algal blooms and is a diarrhetic shellfish poisoning toxin. This toxin is particularly problematic for bivalves that are cultured for human consumption. This study aimed to reveal the ef...

  • Article
  • Open Access
5 Citations
3,030 Views
16 Pages

5 December 2021

Pattern recognition receptors (PRRs) play important roles in detecting pathogens and initiating the innate immune response. Different evolutionary histories of pollinators and non-pollinators may result in different immune recognition systems. A prev...

  • Article
  • Open Access
6 Citations
7,697 Views
12 Pages

Charge-Line Dual-FET High-Repetition-Rate Pulsed Laser Driver

  • Mateusz Żbik and
  • Piotr Zbigniew Wieczorek

27 March 2019

Most modern pulsed laser systems require versatile laser diode drivers. A state-of-the-art pulsed laser driver should provide precise peak power regulation, high repetition rate, and pulse duration control. A new, charge line dual-FET transistor circ...

  • Article
  • Open Access
41 Citations
8,161 Views
16 Pages

Femtosecond Laser-Induced Periodic Surface Structures on Fused Silica: The Impact of the Initial Substrate Temperature

  • Stephan Gräf,
  • Clemens Kunz,
  • Sebastian Engel,
  • Thibault J. -Y. Derrien and
  • Frank A. Müller

2 August 2018

The formation and properties of laser-induced periodic surface structures (LIPSS) were investigated upon fs-laser irradiation of fused silica at different initial substrate temperatures, TS. For substrate heating between room temperature, TRT, and TS...

  • Article
  • Open Access
21 Citations
3,052 Views
18 Pages

27 April 2022

A novel bio-based flame retardant designated AVD has been synthesized in a one-pot process via the reaction of 9,10-dihydro-9-oxa-10-phospha-phenanthrene-10-oxide (DOPO), vanillin (VN), and 2- aminobenzothiazole (ABT). The structure of AVD was confir...

  • Article
  • Open Access
18 Citations
4,198 Views
14 Pages

Large-area nanostructuring of glasses using intense laser beams is a challenging task due to the material’s extreme non-linear absorption of laser energy. Precise optimization of the process parameters is essential for fabricating nanostructure...

  • Feature Paper
  • Article
  • Open Access
29 Citations
6,044 Views
14 Pages

18 June 2020

Despite intensive research activities in the field of laser-induced periodic surface structures (LIPSS), the large-area nanostructuring of glasses is still a challenging problem, which is mainly caused by the strongly non-linear absorption of the las...

  • Article
  • Open Access
8 Citations
4,552 Views
20 Pages

Transcriptional Regulation of CD40 Expression by 4 Ribosomal Proteins via a Functional SNP on a Disease-Associated CD40 Locus

  • Meijuan Zou,
  • Xiaoyu Zhang,
  • Danli Jiang,
  • Yihan Zhao,
  • Ting Wu,
  • Qiaoke Gong,
  • Hang Su,
  • Di Wu,
  • Larry Moreland and
  • Gang Li

21 December 2020

Previously, using FREP-MS, we identified a protein complex including eight proteins that specifically bind to the functional SNP (fSNP) rs6032664 at a CD40 locus associated with autoimmune diseases. Among these eight proteins, four are ribosomal prot...

  • Article
  • Open Access
1,102 Views
17 Pages

ESBL-Producing E. coli in Captive Black Bears: Molecular Characteristics and Risk of Dissemination

  • Xin Lei,
  • Mengjie Che,
  • Yuxin Zhou,
  • Shulei Pan,
  • Xue Yang,
  • Siyu Liu,
  • Iram Laghari,
  • Mingyue Wu,
  • Ruilin Han and
  • Zhijun Zhong
  • + 6 authors

14 November 2025

The emergence and global dissemination of extended-spectrum β-lactamase (ESBL)-producing Escherichia coli (ESBL-E. coli) represent a major public health concern. However, the characterization and capacity for horizontal gene transfer (HGT) of ES...