<![CDATA[Current Materials Science (Volume 17 - Issue 4)]]> https://www.eurekaselect.com/journal/175 RSS Feed for Journals | BenthamScience EurekaSelect (+https://www.eurekaselect.com) 2024-03-01 <![CDATA[Current Materials Science (Volume 17 - Issue 4)]]> https://www.eurekaselect.com/journal/175 <![CDATA[Packaging Materials: Past, Present and Future]]>https://www.eurekaselect.com/article/1325222024-03-01 <![CDATA[Packaging Materials Design And Developing Trend]]>https://www.eurekaselect.com/article/1330632024-03-01 <![CDATA[A Review on Bioremediation Using Nanobiotechnology and Microbial Heavy Metal Resistance Mechanisms]]>https://www.eurekaselect.com/article/1329072024-03-01 <![CDATA[Rheology Assessment of Mortar Materials for Additive Manufacturing]]>https://www.eurekaselect.com/article/1332972024-03-01 <![CDATA[Non-wood Plants as Sources of Cellulose for Paper and Biodegradable Composite Materials: An Updated Review]]>https://www.eurekaselect.com/article/1327202024-03-01Background: Non-wood plant parts provide unique opportunities for cellulose for paper manufacture and offer advantages over wood, such as less harsh chemicals and lower lignin content.

Objective: This review examined several cellulose extraction procedures from non-wood sources, such as leaves, stems, grass, straw, fruit peels, and husks.

Methods: Acid and alkali extraction, oxidation, and bleaching were the main techniques used. Corresponding mechanical properties of cellulose derivatives were also reviewed, with tensile strength being the most reported property, with variability among the species and products. Additives were also explored to improve the properties of non-wood paper.

Results: Further processing of cellulose into nanocrystalline cellulose enabled the manufacture of biodegradable composites with a wide range of utilities in wastewater treatment, reinforcing materials, alternatives to plastics and circuit boards for nanotechnology applications. Various methods now available for cellulose extraction provide scientists with several efficient options for different plant materials with beneficial properties.

Conclusion: Non-wood cellulose has found its uses in several industries, but further research may consolidate these attempts.

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<![CDATA[Review on Hydrogel Based Systems and their use in Drug Delivery for Wound Healing & Wound Management]]>https://www.eurekaselect.com/article/1328332024-03-01 <![CDATA[Contemporary Trends in Active and Intelligent Polymer Nanocomposite based Food Packaging Systems for Food Safety and Sustainability in the Modern Aeon]]>https://www.eurekaselect.com/article/1328572024-03-01 <![CDATA[Alumina Crucibles from Free Dispersant Suspensions: A Useful Labware to form Advanced Powders for Radiation Dosimetry]]>https://www.eurekaselect.com/article/1331712024-03-01 Background: Powder technology provides conditions to control particle-particle interactions that drive the formation of final-component/material, which also includes the crystalline structure, microstructure and features. Alumina (Al2O3) is the most studied ceramic based material due to its useful properties, disposal, competitive price, and wide technological applicability. This work aims to produce alumina crucibles with controlled size and shape from free dispensant suspensions. These crucibles will be used as containers for the synthesis of new materials for radiation dosimetry.

Methods: The Al2O3 powders were characterized by XRD, SEM, PCS, and EPR. The stability of alumina particles in aqueous solvent was evaluated by zeta potential determination as a function of pH. Alumina suspensions with 30 vol% were shaped by slip casting in plaster molds, followed by sintering at 1600oC for 2 h in an air atmosphere. Alumina based crucibles were characterized by SEM and XRD.

Results: ɑ-Al2O3 powders exhibited a mean particle diameter size (d50) of 983nm. Besides, the stability of particles in aqueous solvent was achieved at a range of pH from 2.0-6.0, and from 8.5-11.0. EPR spectra revealed two resonance peaks P1 and P2, with g-values of 2.0004 and 2.0022, respectively. The as-sintered ɑ-alumina based crucibles presented uniform shape and controlled size with no apparent defects. In addition, the final microstructure driven by solid-state sintering revealed a dense surface and uniform distribution of grains.

Conclusion: The ɑ-Al2O3 crucibles obtained by slip casting of free dispensant alumina suspensions, followed by sintering, exhibited mechanical strength, and controlled shape and size. These crucibles will be useful labwares for the synthesis of new materials for radiation dosimetry.

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<![CDATA[Biological Applications of Ore Materials: Chili Absorption of Natural MG and ZN Ions Released from Modified Serpentinite Powders]]>https://www.eurekaselect.com/article/1330622024-03-01Introduction: This study investigated the characteristics of the powder, the concentration of the ions, and the growth characteristics of Chili that were irrigated with the natural magnesium- zinc ionised water. The findings revealed that the ion dissolution rate was higher for greater water temperatures.

Methods: Extended sintering of the zinc-modified natural serpentinite powder at 400°C reduced the number of dissolved magnesium ions and increased the number of dissolved zinc ions. The Chili planting experiment was performed with two groups: 1) Chili irrigated with natural magnesium- zinc ionised water (natural magnesium-zinc Chili) and 2) Chili irrigated with distilled water (distilled-water Chili).

Results: The natural magnesium-zinc Chilis were discovered to have higher concentrations of magnesium and zinc ions in various parts. Furthermore, during the later stages of growth, the natural magnesium-zinc Chili had a larger body and did not easily turn yellow, resulting in better freshness. This study used modified serpentine powder to cultivate natural magnesium-zinc Chili. Appropriate powder roasting conditions and the rates of magnesium and zinc dissolution were established, and the growth characteristics of natural magnesium-zinc Chili were determined.

Conclusion: The Chilis can help humans ensure healthy lives and promote well-being for all at all ages by sufficient zinc and magnesium intake.

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<![CDATA[Study on the Influence of Carbonation on the Microstructure of Cement-based Materials Based on BSE Technique]]>https://www.eurekaselect.com/article/1339652024-03-01 Background: The influence of carbonation on the interfacial transition zone (ITZ) microstructure of cement-based materials was significant. However, the width of ITZ is about tens of microns, and studying its micro-characteristics (such as porosity, hydration products, content of unhydrated cement, etc.) by macro test was difficult.

Methods: Backscattered electron (BSE) imaging technology and gray scale analysis method were used to analyze the cement-based materials with water-binder (W/B) ratios of 0.53 and 0.35, respectively.

Results: BSE and gray scale analysis showed that in the ITZ, the porosity of 0.53P (Portland cement paste), 0.35P (Portland cement paste), 0.53F (fly ash), and 0.35F (fly ash) decreased by 24.1%, 28.9%, 49.5%, and 64.2% respectively, whereas the content of hydration products increases after carbonation, and the matrix also shows the same rule. At the same time, the smaller W/B ratio, the greater the porosity reduction, and the filling effect of carbonation on the specimens with supplementary cementitious material (SCM) was more significant than that of pure cement specimens.

Conclusion: The porosity of the ITZ decreased after carbonation, however it remained higher than that of the matrix. Consequently, the ITZ remained a vulnerable zone with a greater diffusion rate of CO2 compared to the matrix even after carbonation.

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<![CDATA[Acknowledgements to Reviewers]]>https://www.eurekaselect.com/article/1368792024-03-01