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9 Results Found

  • Article
  • Open Access
6 Citations
2,769 Views
14 Pages

Test Results of Crystalline Silicon Melting Process from Briquetted Monocharge Obtained from Microsilica

  • Alibek Baisanov,
  • Nina Vorobkalo,
  • Yerbol Shabanov,
  • Azat Mussin and ,
  • Symbat Sharieva and
  • Amir Makishev
  • + 1 author+ 0 author

5 September 2024

Currently, enterprises producing crystalline silicon are facing the formation and accumulation of large volumes of microsilica, a technogenic dusty waste formed during the melting of silicon alloys. Due to its chemical composition, this waste can be...

(This article belongs to the Section Materials Processes)
  • Article
  • Open Access
6 Citations
1,880 Views
16 Pages

Optimization of the Properties of Microsilica-Based Composite Briquettes Depending on Their Granulometry

  • Alibek Baisanov,
  • Nina Vorobkalo,
  • Yerbol Shabanov,
  • Nikolay Zobnin and ,
  • Aidana Baisanova,
  • Symbat Sharieva,
  • Askhat Akuov,
  • Yerulan Samuratov,
  • Zhanna Ibrakhimova and
  • Temirlan Zhumagaliev
  • + 5 authors+ 0 author

24 October 2024

This paper presents the results of optimizing the physicochemical properties of microsilica-based composite briquettes for metallurgical-grade silicon production. Microsilica, a waste product of silicon production, contains a sufficiently high amount...

(This article belongs to the Section Composites Modelling and Characterization)
  • Article
  • Open Access
9 Citations
3,898 Views
17 Pages

Unraveling the Photodynamic Activity of Cationic Benzoporphyrin-Based Photosensitizers against Bladder Cancer Cells

  • Ana T. P. C. Gomes,
  • M. Graça P. M. S. Neves,
  • Rosa Fernandes,
  • Carlos F. Ribeiro and ,
  • José A. S. Cavaleiro and
  • Nuno M. M. Moura
  • + 1 author+ 0 author

1 September 2021

In this study, we report the preparation of new mono-charged benzoporphyrin complexes by reaction of the appropriate neutral benzoporphyrin with (2,2′-bipyridine)dichloroplatinum(II) and of the analogs’ derivatives synthesized through alkylation of t...

(This article belongs to the Section Medicinal Chemistry)
  • Article
  • Open Access
1 Citations
419 Views
20 Pages

4 June 2026

This study evaluated the production of aluminosilicochrome alloy (ASC) from technogenic wastes generated by ferroalloy and coal production. Chromite spinel dust from high-carbon ferrochrome gas cleaning, microsilica from ferrosilicon gas cleaning, an...

  • Article
  • Open Access
14 Citations
3,335 Views
13 Pages

Cu+/Ag+ Competition in Type I Copper Proteins (T1Cu)

  • Nikoleta Kircheva,
  • Silvia Angelova,
  • Stefan Dobrev,
  • Vladislava Petkova and ,
  • Valya Nikolova and
  • Todor Dudev
  • + 1 author+ 0 author

17 April 2023

Due to the similarity in the basic coordination behavior of their mono-charged cations, silver biochemistry is known to be linked to that of copper in biological systems. Still, Cu+/2+ is an essential micronutrient in many organisms, while no known b...

(This article belongs to the Collection Advances in Metal Binding Proteins)
  • Article
  • Open Access
1,492 Views
38 Pages

Laser-driven ion acceleration is a rapidly developing branch of plasma physics and laser science whose primary practical goal is to provide a physical and technological basis for the construction and development of new types of ion accelerators. Lase...

(This article belongs to the Section Lasers, Light Sources and Sensors)
  • Article
  • Open Access
3 Citations
2,423 Views
19 Pages

Efficient Strategies to Use β-Cationic Porphyrin-Imidazolium Derivatives in the Photoinactivation of Methicillin-Resistant Staphylococcus aureus

  • Nuno M. M. Moura,
  • Xavier Moreira,
  • Eliana Sousa Da Silva,
  • Joaquim Luís Faria and ,
  • Maria G. P. M. S. Neves,
  • Adelaide Almeida,
  • Maria A. F. Faustino and
  • Ana T. P. C. Gomes
  • + 3 authors+ 0 author

4 November 2023

Bacterial resistance to antibiotics is a critical global health issue and the development of alternatives to conventional antibiotics is of the upmost relevance. Antimicrobial photodynamic therapy (aPDT) is considered a promising and innovative appro...

(This article belongs to the Special Issue Phyto-Functional Nanomaterials: Synthesis, Characterization and Application)
  • Article
  • Open Access
4 Citations
2,474 Views
13 Pages

A robust hierarchical model has been demonstrated for monitoring a wide range of neptunium concentrations (0.75–890 mM) and varying temperatures (10–80 °C) using chemometrics and feature selection. The visible–near infrared elec...

(This article belongs to the Special Issue Chemometrics for Analytical Chemistry)
  • Article
  • Open Access
32 Citations
4,420 Views
25 Pages

Casiopeinas of Third Generations: Synthesis, Characterization, Cytotoxic Activity and Structure–Activity Relationships of Mixed Chelate Compounds with Bioactive Secondary Ligands

  • Yeshenia Figueroa-DePaz,
  • Jaime Pérez-Villanueva,
  • Olivia Soria-Arteche,
  • Diego Martínez-Otero and ,
  • Virginia Gómez-Vidales,
  • Luis Ortiz-Frade and
  • Lena Ruiz-Azuara
  • + 2 authors+ 0 author

Casiopeinas are a family of copper(II) coordination compounds that have shown an important antineoplastic effect and low toxicity in normal cells. These compounds induce death cells by apoptosis through a catalytic redox process with endogenous reduc...