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Sci, Volume 6, Issue 1

March 2024 - 17 articles

Cover Story: Olefins, like ethylene, propylene, and butene, are essential building blocks for the petrochemical industries, which employ them to produce materials for transportation, hospitals, households, and electronics. Usually, vacuum gas oil is cracked in a fluid catalytic cracker (FCC) unit by zeolite catalysts to produce olefin gases, but the yield is insufficient to satisfy the world market’s growing demand. Directly cracking crude oil in an FCC unit is aimed at meeting demands. At the heart of the FCC units is the performance of the zeolite catalyst. The yield of olefin gases depends on the activity of the zeolite catalyst, the hierarchical structure, the acid strength, the pore size distribution, and dopant dispersion. View this paper
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Articles (17)

  • Article
  • Open Access
5 Citations
64,847 Views
27 Pages

14 March 2024

Recent studies have provided evidence, based on analyses of instrumental measurements of the last seven decades, for a unidirectional, potentially causal link between temperature as the cause and carbon dioxide concentration ([CO2]) as the effect. In...

  • Article
  • Open Access
2,380 Views
13 Pages

14 March 2024

Many studies have investigated the threat of climate change on wild plants, but few have investigated the genetic responses of crop wild relative populations under threat. We characterized the genetic responses of 10 wild barley (Hordeum spontaneum K...

  • Article
  • Open Access
1 Citations
2,799 Views
12 Pages

8 March 2024

The electrochemical oxidation of levamisole, a glassy carbon electrode, was investigated over the pH range 2.0–10.0. Cyclic voltammetric investigations showed a single oxidation process was recorded, with a peak potential (Ep) shown to be pH-de...

  • Review
  • Open Access
3 Citations
9,852 Views
13 Pages

1 March 2024

The African Growth Opportunity Act (AGOA) has been a crucial trade and development initiative, offering preferential access to qualified Sub-Saharan African (SSA) countries to the United States market since its enactment in 2000. This paper presents...

  • Article
  • Open Access
5 Citations
3,246 Views
15 Pages

Impact of Combined Action of Chloride and Carbonation on Cement-Based Materials with Fly Ash

  • Raphaele Malheiro,
  • Aires Camões,
  • Gibson Meira,
  • Rui Reis and
  • Aline Nóbrega

28 February 2024

Integrating waste and industrial by-products into concrete is an alternative way to reduce global cement consumption, enhancing its eco-friendliness. In this context, residues with fly ash have been increasingly utilised. Considering the vulnerabilit...

  • Article
  • Open Access
3,562 Views
34 Pages

16 February 2024

Within the expansive domain of maritime safety, optimizing evacuation procedures stands as a critical endeavour. After all, evacuation is literally the last and fundamental safety level afforded to mariners and passengers. Recent incidents have rekin...

  • Review
  • Open Access
11 Citations
8,976 Views
21 Pages

4 February 2024

Petrochemical feedstocks are experiencing a fast growth in demand, which will further expand their market in the coming years. This is due to an increase in the demand for petrochemical-based materials that are used in households, hospitals, transpor...

  • Article
  • Open Access
6 Citations
4,139 Views
14 Pages

4 February 2024

Emotion classification using physiological signals is a promising approach that is likely to become the most prevalent method. Bio-signals such as those derived from Electrocardiograms (ECGs) and the Galvanic Skin Response (GSR) are more reliable tha...

  • Review
  • Open Access
33 Citations
27,127 Views
24 Pages

Evolving Paradigms of Recombinant Protein Production in Pharmaceutical Industry: A Rigorous Review

  • Achuth Jayakrishnan,
  • Wan Rosalina Wan Rosli,
  • Ahmad Rashidi Mohd Tahir,
  • Fashli Syafiq Abd Razak,
  • Phei Er Kee,
  • Hui Suan Ng,
  • Yik-Ling Chew,
  • Siew-Keah Lee,
  • Mahenthiran Ramasamy and
  • Ching Siang Tan
  • + 1 author

31 January 2024

Many beneficial proteins have limited natural availability, which often restricts their supply and thereby reduces their potential for therapeutic or industrial usage. The advent of recombinant DNA (rDNA) technology enables the utilization of differe...

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Sci - ISSN 2413-4155