Wishing you a magical and blissful holiday

May this Christmas end the year on a cheerful note and make way for a fresh and bring the new year.

Wishing you a magical and blissful holiday.

Surface Modifications of Carbon Fibers with Different Graphitization Indexes to Produce Cu/Carbon Fiber Composites by Electroless Process_ Crimson Publishers

Surface Modifications of Carbon Fibers with Different Graphitization Indexes to Produce Cu/Carbon Fiber Composites by Electroless Process by Ferreira NG* in Trends in Textile Engineering & Fashion Technology_ Textile Science Engineering Journal

 

Abstract

Copper/carbon fiber (Cu/CF) composites by electroless Cu deposition were studied on carbon fibers (CF) produced at three different heat treatment temperatures (HTT) of 1000, 1500, and 2000 °C. The HTT control led to different CF graphitization indexes that influenced their chemistry surfaces. As a consequence, the electrochemical and chemical pre-treatments of the CF played distinct role by forming different oxygen functional groups also influencing the Cu deposition. CF substrates as well as Cu/CF composites were analyzed by Raman spectroscopy, Fourier transform infrared spectroscopy (FTIR), X-ray diffraction, and scanning electron microscopy. FTIR results revealed that both pre-treatments promoted CF surface modifications concerning the OH stretching vibrations for the three HTT studied. Nonetheless, the OH stretching vibration was more intense for all electrochemically pre-treated CFs. Moreover, the C-O and C=O stretching vibrations also appeared for the electrochemically pre-treated CF1000. Cu electroless deposition showed a strong dependence on the CF microstructure acquired after the HTT as well as on the pre-treatment step. The electrochemical pre-treatment was mandatory to obtain metallic Cu deposits on CF substrates. Regarding the nitrate electrochemical reduction, Cu/CF composites obtained from electrochemically treated CFs showed the nitrate reduction to nitrite followed by ammonia formation

https://crimsonpublishers.com/acam/fulltext/ACAM.000628.php

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Nutraceutic Uses and Ancestral Knowledge of the Quinoa (Chenopodium Quinoa Wild) and Wild Relatives in the Food of Andean Native Peoples_ Crimson Publishers

 Nutraceutic Uses and Ancestral Knowledge of the Quinoa (Chenopodium Quinoa Wild) and Wild Relatives in the Food of Andean Native Peoples by Ángel Mujica* in Advances in Complementary & Alternative medicine_ journal of alternative medicine research

 

Abstract

Quinoa, ancestral grain, is medicine and basic food of the Andean man, for the ideal balance of essential amino acids, other nutrients for normal development and growth, has nutraceutical, orthomolecular, anti-aging, anti-stress and medicinal qualities. The research methodology was the accompaniment and exchange of knowledge with bilateral information flow and ethnographic approach (continuous ethnobotanical-anthropological exploration, with exchange of bilateral and multilateral knowledge) in Andean communities, for 14 years (2005/2019), the ancestral medicinal uses given to quinoa by Andean man so far are to: treat broken bones, twists, dislocations, blows and fortify bones (contains quadruple Ca that corn and triple rice, easy to absorb), contains lithium avoiding stress and sadness, galactogenic increasing milk secretion in mothers, prevents uterine cancer, menopause problems for their phytoestrogens (Daidzein and cinesteine), prevents osteoporosis, organic and functional alterations that produce the lack of estrogen, contributes to curing TBC by having protein of high biological value, ideal balance of essential amino acids and elevated lysine, shaping cells, tissues and organs of the human body, regulates cholesterol levels by dietary fiber content and unsaturated fatty acids (oleic acid, linolenic, linoleic), being fiber 6% of weight of the grain, its intake favors intestinal transit; contains antioxidants: betalains, betazhantine to preserve health, is energy source for muscles, brain, nervous system, for containing Alanine, plus Glycine acting as brain tranquilizing neurotransmitter, regulating motor functions and Proline, participant in joint repair and healing injuries; anaemia by content of iron; saponin prevents polyglobulin for its hemolytic action; native varieties and wild relatives are used in food [1-28], medicine [2,29], flavorings, dyes, seasoning, ornamental, biocides and for cultural aspects, local preferences, taste, texture, smell, color; grains and plants used in ritualities counteracting teluric diseases (magical-religious plants) and biological indicators.

https://crimsonpublishers.com/acam/fulltext/ACAM.000628.php

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Games and the Communication of Ecosystem Services to Non-Scientific Audiences_ Crimson Publishers

 Games and the Communication of Ecosystem Services to Non-Scientific Audiences by Agnieszka Latawiec* in Modern Concepts & Developments in Agronomy_ International Journal of Agronomy

 

Abstract

Scientific results should also be disseminated to non-scientific audience. Communication and knowledge exchange are, generally, not treated as priority for scientists possibly due to lack of time, interest or reward. There are funds such as Carlos Chagas Filho Foundation for Research Support in the State of Rio de Janeiro (FAPERJ) that require knowledge exchange to non-scientific audiences as a condition for project acceptance. We conducted an environmental education activity through an active learning method in a high school of Rio de Janeiro. The aim of the game was to explain activity concepts of environmental resources management, tragedy of commons, tipping point and reproduction rate. The game was focused on fisheries, but similar concepts are used in the management of other commons such as water, air, and increasingly soils. The activity and the results are presented in a short video.

https://crimsonpublishers.com/mcda/fulltext/MCDA.000598.php

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Maximizing the Mental and the Physical: Pre- Performance Routines of Elite Squash Athletes_ Crimson Publishers

Maximizing the Mental and the Physical: Pre- Performance Routines of Elite Squash Athletes by Shrihari TG* in Research & Investigations in Sports Medicine_ Journal of Sports Medicine

Abstract

Objective: The objective of the study was to provide a foundational understanding of mental and physical pre-performance routines of elite squash athletes.

Method: The sample included 18 squash professionals who were ranked in the top 10 in the world, balanced by gender, generation, and nationality. Each participated in a semi-structured interview that addressed pre-tournament and pre-match routines, plus questions about pre-planned strategies applied in-match and general dispositional variables.

Result: Descriptive qualitative analyses supported by a web-based text analysis tool yielded a number of common and unique routines with regard to training protocol, sleep hygiene, diet regimen, mental work, tactical preparation, and physical warmup. The importance of adaptability and acceptance of pressure were also suggested. One difference by nationality was noted: religious faith.

Conclusion: There was a good deal of commonality, but also examples of individuality, in PPRs for professional squash athletes.

https://crimsonpublishers.com/rism/fulltext/RISM.000628.php

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