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Physchem, Volume 5, Issue 3

September 2025 - 15 articles

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Articles (15)

  • Article
  • Open Access
1,270 Views
12 Pages

11 September 2025

Animal tissue by-products, rich in collagen, represent a valuable source of biomaterials. Understanding their physicochemical and thermal behavior is essential for expanding their applications. In this study, pigskin gelatin was extracted through aci...

  • Article
  • Open Access
1,189 Views
34 Pages

9 September 2025

The paper describes the conversion of carbon dioxide into methanol in a chemical reactor under standard operating conditions. Electro-analytical techniques, cyclic voltammetry, and chrono-amperometry characterize the process. The electrochemical redo...

  • Article
  • Open Access
1 Citations
932 Views
11 Pages

A Comprehensive Solution and Solid-State NMR Study of Proton Spin Lattice Relaxation in Paramagnetic Metallocenes

  • Gabrielle E. Harmon-Welch,
  • Douglas W. Elliott,
  • Nattamai Bhuvanesh,
  • Vladimir I. Bakhmutov and
  • Janet Blümel

5 September 2025

Solid solutions of the metallocenes ferrocene (Cp2Fe), nickelocene (Cp2Ni), and cobaltocene (Cp2Co) have been prepared by manually grinding the components together, or by co-crystallizing them from solution. In the solid solutions Cp2Fe/Cp2Ni and Cp2...

  • Article
  • Open Access
1,744 Views
26 Pages

16 August 2025

Intergrown mixtures of nanostructured manganese oxide phases have been obtained using a highly complexing agent (ethylenediamine) and a weak complexer (urea) during their solvothermal synthesis. In this work, through a detailed structural analysis, i...

  • Article
  • Open Access
926 Views
15 Pages

Physicochemical Properties of Supramolecular Complexes Formed Between Cyclodextrin and Rice Bran-Derived Komecosanol

  • Mione Uchimura,
  • Akiteru Ohtsu,
  • Junki Tomita,
  • Yoshiyuki Ishida,
  • Daisuke Nakata,
  • Keiji Terao and
  • Yutaka Inoue

13 August 2025

In this study, supramolecular inclusion complexes composed of komecosanol (Ko), a lipophilic compound derived from rice bran, and α-cyclodextrin (αCD) were prepared using a solvent-free three-dimensional (3D) ball milling method. Their ph...

  • Article
  • Open Access
1 Citations
1,426 Views
14 Pages

10 August 2025

The synthesis of Fe3O4 and ε-Fe2O3 nanoparticles (hereafter referred to as Fe3O4 NPs and ε-Fe2O3 NPs, respectively) was conducted in an eco-friendly manner using FeCl3·6H2O as the primary reactant. The experiment was conducted...

  • Article
  • Open Access
2 Citations
4,199 Views
13 Pages

Pectin Extraction from Citrus Waste: Structural Quality and Yield with Mineral and Organic Acids

  • Muhamad Hawari Mansor,
  • Lydia Williamson,
  • Daniel Ludwikowski,
  • Faith Howard and
  • Munitta Muthana

10 August 2025

Pectin is a renewable polysaccharide valued for its gelling, stabilising, and encapsulating properties, with broad applications in food, pharmaceutical, and industrial sectors. However, extraction conditions critically affect its yield, structural in...

  • Article
  • Open Access
1,239 Views
14 Pages

Influence of Molecular Weight of Anthraquinone Acid Dyes on Color Strength, Migration, and UV Protection of Polyamide 6 Fabrics

  • Nawshin Farzana,
  • Abu Naser Md Ahsanul Haque,
  • Shamima Akter Smriti,
  • Abu Sadat Muhammad Sayem,
  • Fahmida Siddiqa,
  • Md Azharul Islam,
  • Md Nasim and
  • S M Kamrul Hasan

Anthraquinone acid dyes are widely used in dyeing polyamide due to their good exhaustion and brightness. While ionic interactions primarily govern dye–fiber bonding, the molecular weight (Mw) of these dyes can significantly influence migration,...

  • Communication
  • Open Access
1,135 Views
10 Pages

Scalable Synthesis of 2D TiNCl via Flash Joule Heating

  • Gabriel A. Silvestrin,
  • Marco Andreoli,
  • Edson P. Soares,
  • Elita F. Urano de Carvalho,
  • Almir Oliveira Neto and
  • Rodrigo Fernando Brambilla de Souza

A scalable synthesis of two-dimensional titanium nitride chloride (TiNCl) via flash Joule heating (FJH) using titanium tetrachloride (TiCl4) precursor has been developed. This single-step method overcomes traditional synthesis challenges, including h...

  • Review
  • Open Access
2 Citations
2,114 Views
35 Pages

This review explores CO2 methanation and steam methane reforming (SMR) as two key thermochemical processes governed by reversible reactions, each offering distinct contributions to carbon-neutral energy systems. The objective is to provide a comparat...

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Physchem - ISSN 2673-7167