Topic Review
ZnO Photocatalysts for the Treatment of Wastewater
The presence of contaminants in wastewater, surface water, groundwater, and drinking water is a serious threat to human and environmental health. Their toxic effects and resistance towards conventional water treatment methods have compelled the scientific community to search for an environmentally friendly method that could efficiently degrade toxic contaminants. In this regard, visible light active photocatalysts have proved to be efficient in eliminating a wide variety of water toxins. A plethora of research activities have been carried out and significant amounts of funds are spent on the monitoring and removal of water contaminants, but relatively little attention has been paid to the degradation of persistent water pollutants. In this regard, nanoparticles of doped ZnO are preferred options owing to their low recombination rate and excellent photocatalytic and antimicrobial activity under irradiation of solar light. 
  • 421
  • 18 Feb 2022
Topic Review
Superhydrophobic Surface
Superhydrophobic surfaces are proposed to be ideal blood-compatible biomaterials attributed to their beneficial characteristics.
  • 394
  • 13 Apr 2021
Topic Review
Product-Based Learning
The teaching and learning process in traditional university education uses strategies that have placed the student as a receiver of information, which is transmitted by the teacher and conceptualized as knowledge. However, the reality in which we live, including new generational groups’ characteristics, requires implementing training solutions that allow to meet the needs of individuals into the development of skills or know-how. Thus, deploying suitable solutions to society through a framework that forms individuals, capable of continuously seeking knowledge, creating and innovating, is crucial. The "Reproduction of an Environment of Innovation in the Classroom" (RAIS) is a product-based learning and evaluation strategy where the student is actively involved in constructing and generating knowledge. It allows developing the programmatic competencies in the engineering courses to attain a feasible product. The RAIS strategy has been applied in the Physical chemistry for Chemical Engineers and Industrial Chemistry courses. Students successfully formulated a product using the know-how attained in each course. In addition, this strategy increased motivation compared to other traditional courses, developing the ability to deploy and find solutions in work environments with multidisciplinary groups.  
  • 355
  • 19 Apr 2022
Topic Review
Tetrazine-Based Fluorogenic Probes
Various bioorthogonal chemistries have been used for fluorescent imaging owing to the advantageous reactions they employ. Recent advances in bioorthogonal chemistry have revolutionized labeling strategies for fluorescence imaging, with inverse electron demand Diels–Alder (iEDDA) reactions in particular attracting recent attention owing to their fast kinetics and excellent specificity. One of the most interesting features of the iEDDA labeling strategy is that tetrazine-functionalized dyes are known to act as fluorogenic probes.
  • 342
  • 13 Apr 2021
Topic Review
Starch-Based Biodegradable Films for Food Packaging
The use of biodegradable packaging material as an alternative to conventional petrochemical-based polymers is based on the environmental issues associated with conventional materials. Starch-based biodegradable films can be applied in food packaging. It was evident that starch stands out among biopolymers due to its abundance and cost effectiveness.
  • 318
  • 07 Apr 2022
Topic Review
Red Seaweed Pigments
Algae taxa are notably diverse regarding pigment diversity and composition, red seaweeds (Rhodophyta) being a valuable source of phycobiliproteins (phycoerythrins, phycocyanin, and allophycocyanin), carotenes (carotenoids and xanthophylls), and chlorophyll a. These pigments have a considerable biotechnological potential, which has been translated into several registered patents and commercial applications. 
  • 295
  • 20 Jan 2022
Topic Review
Using CNSL for the Synthesis of Surfactants
Cashew Nut Shell Liquid (CNSL) is a promising non-edible renewable resource, directly extracted from the shell of the cashew nut. The interesting structure of CNSL and its components (cardanol, anacardic acid and cardol) lead to the synthesis of biobased surfactants. 
  • 295
  • 10 Mar 2022
Topic Review
Visual pH Sensors
The pH sensors are gaining widespread attention as non-destructive tools, visible to the human eye, and are capable of real-time and in-situ response.
  • 287
  • 31 May 2021
Topic Review
Nanomaterial Probes for Nuclear Imaging
Nuclear imaging is a powerful non-invasive imaging technique that is rapidly developing in medical theranostics. Nuclear imaging requires radiolabeling isotopes for non-invasive imaging through the radioactive decay emission of the radionuclide. Nuclear imaging probes, commonly known as radiotracers, are radioisotope-labeled small molecules. Nanomaterials have shown potential as nuclear imaging probes for theranostic applications. By modifying the surface of nanomaterials, multifunctional radio-labeled nanomaterials can be obtained for in vivo biodistribution and targeting in initial animal imaging studies. Various surface modification strategies have been developed, and targeting moieties have been attached to the nanomaterials to render biocompatibility and enable specific targeting. Through integration of complementary imaging probes to a single nanoparticulate, multimodal molecular imaging can be performed as images with high sensitivity, resolution, and specificity. 
  • 273
  • 29 Mar 2022
Topic Review
2,7(3,6)-Diaryl(arylamino)-substituted Carbazoles
The carbazole is an electron-rich heterocyclic compound, whose structure can be easily modified by rather simple reactions in order to obtain 2,7(3,6)-diaryl(arylamino)-substituted carbazoles. The substituted derivatives are widely used for the formation of Organic light emitting diode (OLED) due to their good charge carrier injection and transfer characteristics, electroluminescence, thermally activated delayed fluorescence, improved thermal and morphological stability as well as their thin film forming characteristics. 
  • 271
  • 24 Nov 2021
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