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Topic Review
Biography
Topic Review
MXenes—A New Class of Two-Dimensional Materials
A new class of two-dimensional nanomaterials, MXenes, which are carbides/nitrides/carbonitrides of transition and refractory metals, has been critically analyzed. Since the synthesis of the first family member in 2011 by Yury Gogotsi and colleagues, MXenes have quickly become attractive for a variety of research fields due to their exceptional properties. Despite the fact that this new family of 2D materials was discovered only about ten years ago, the number of scientific publications related to MXene almost doubles every year. Thus, in 2021 alone, more than 2000 papers are expected to be published, which indicates the relevance and prospects of MXenes.
869
28 Mar 2022
Topic Review
Laser Cladding Coatings on Magnesium Alloys
The surface properties of magnesium alloys can be improved by Laser Cladding in order to increase wear and corrosion resistance manteining the lower density of these alloys. This can make magnesium alloys a promising structural material to be used as a substitute for metals traditionally used in the automotive and aircraft sector.
613
28 Mar 2022
Topic Review
Effect of Phosphate on Steel Reinforcements in Mortar
Sodium nitrite (NaNO2), disodium stannate (Na2SnO3), disodium molybdate (Na2MoO4), sodium borates (NaBO2), trisodium borate (Na3BO3), cerium nitrate (Ce(NO3)2) and trisodium phosphate (Na3PO4) (TSP) have been used as corrosion inhibitors for steel. The use of phosphate chemical conversion (PCC) coatings causes the phosphates to react with Fe ions, forming insoluble compounds, thus impeding the corrosion process. Soluble phosphates react with portlandite to trigger the precipitation of an insoluble phosphate, thus reducing the phosphate content in the pore solution and, consequently, acting as a corrosion prevention method.
630
28 Mar 2022
Topic Review
Compatibilization in Starch/Synthetic Biodegradable Polymer Blends
The immiscibility issue between starch and synthetic polymers impacts the water absorption, thermo-mechanical properties, and chemical stability demanded by various engineering applications. Incorporating compatibilizers into the blend mixtures has significantly reduced the particle sizes of the dispersed phase while improving the interfacial adhesion between the starch and synthetic biodegradable polymer, leading to fine and homogeneous structures.
1.0K
28 Mar 2022
Topic Review
Austenite in Advanced High Strength Steels
Advanced high strength steels (AHSS) are developed to reduce vehicle weight without sacrificing passenger safety. The newly developed AHSS frequently incorporates the austenite as the intrinsic component with large amount and good stability, which is realized by carefully designed alloying elements and thermo-mechanical processing.
554
28 Mar 2022
Topic Review
MoS2-Based Substrates for Surface-Enhanced Raman Scattering
Surface-enhanced Raman scattering (SERS), as an important tool for interface research, occupies a place in the field of molecular detection and analysis due to its extremely high detection sensitivity and fingerprint characteristics. Substantial efforts have been put into the improvement of the enhancement factor (EF) by way of modifying SERS substrates.
913
25 Mar 2022
Topic Review
The Nitrogen Bond
The nitrogen bond in chemical systems occurs when there is evidence of a net attractive interaction between the electrophilic region associated with a covalently or coordinately bound nitrogen atom in a molecular entity and a nucleophile in another, or the same molecular entity. It is the first member of the family of pnictogen bonds formed by the first atom of the pnictogen family, Group 15, of the periodic table, and is an inter- or intra-molecular non-covalent interaction.
2.2K
25 Mar 2022
Topic Review
Diels–Alder Cycloaddition Reactions
Diels–Alder cycloaddition reaction is one of the most powerful strategies for the construction of six-membered carbocyclic and heterocyclic systems, in most cases with high regio- and stereoselectivity. An insight into the most relevant advances on sustainable Diels–Alder reactions since 2010 is provided. Various environmentally benign solvent systems are discussed, namely bio-based derived solvents, polyethylene glycol, deep eutectic solvents, supercritical carbon dioxide, water and water-based aqueous systems.
1.2K
25 Mar 2022
Topic Review
Reactive Oxygen Species Generated by Copper–Peptide Complexes
Reactive oxygen species (ROS) are involved in many biological and medical processes, ranging from neurodegenerative disorders and cancer to bacterial and viral diseases, and sometimes are of major commercial interest. They are important regulators of and secondary messengers in several cell-signaling pathways, including the reactive oxygen species-mediated death of different cells.
758
25 Mar 2022
Topic Review
Synthesis of Poly (Butylene Succinate)
The impact of plastics on the environment can be mitigated by employing biobased and/or biodegradable materials (i.e., bioplastics) instead of the traditional “commodities”. In this context, poly (butylene succinate) (PBS) emerges as one of the most promising alternatives due to its good mechanical, thermal, and barrier properties, making it suitable for use in a wide range of applications. Still, the PBS has some drawbacks, such as its high crystallinity, which must be overcome to position it as a real and viable alternative to “commodities”.
3.5K
25 Mar 2022
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