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Virtual Reality - Transfer functions with a high translational gain can increase the range of walking in virtual reality. These functions determine how much virtual movements are amplified compared... 相似文献
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Juliano Garavaglia Jadson Romualdo Oliveira da Costa Rafaella Câmara Rocha Menezes Simone Morelo Dal Bosco Isabel Cristina Kasper Machado Inmaculada Olivares Merino Sebastián Sánchez Villasclaras 《Journal of the American Oil Chemists' Society》2023,100(4):303-315
The Brazilian olive oil production has been growing in recent decades and largest plantations are on two different zones, from Serra da Mantiqueira (states of Minas Gerais and São Paulo) and Campanha Gaúcha (state of Rio Grande do Sul). The total planted area, in 2022, reached approximately 6500 hectares. The aim of the present study was to characterize the sensory and analytical parameters of extra virgin olive oils (EVOO) from Southwestern (Serra da Mantiqueira) and Southern (Campanha Gaúcha) Brazil regions. Twenty-two EVOO samples were obtained from different cultivars of unlike regions. Quality parameters, oxidative stability, phenolic compounds ortho-diphenols and fatty acids were analyzed and relationships with olive variety or region. From the chemical perspective, the EVOO exhibited all parameters within the necessary to be qualified as extra virgin, according to international standard definitions. All samples showed a good quality of sensory perceptions and a high level of polyphenols, which are varied among samples but was more intense in Campanha Gaúcha olive oils. 相似文献
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Lukas Gericke Dr. Dipali Mhaindarkar Dr. Lukas C. Karst Sören Jahn Marco Kuge Michael K. F. Mohr Jana Gagsteiger Dr. Nicolas V. Cornelissen Xiaojin Wen Prof. Dr. Silja Mordhorst Prof. Dr. Henning J. Jessen Prof. Dr. Andrea Rentmeister Prof. Dr. Florian P. Seebeck Prof. Dr. Gunhild Layer Prof. Dr. Christoph Loenarz Prof. Dr. Jennifer N. Andexer 《Chembiochem : a European journal of chemical biology》2023,24(9):e202300133
S-Adenosylmethionine (SAM) is an enzyme cofactor involved in methylation, aminopropyl transfer, and radical reactions. This versatility renders SAM-dependent enzymes of great interest in biocatalysis. The usage of SAM analogues adds to this diversity. However, high cost and instability of the cofactor impedes the investigation and usage of these enzymes. While SAM regeneration protocols from the methyltransferase (MT) byproduct S-adenosylhomocysteine are available, aminopropyl transferases and radical SAM enzymes are not covered. Here, we report a set of efficient one-pot systems to supply or regenerate SAM and SAM analogues for all three enzyme classes. The systems’ flexibility is showcased by the transfer of an ethyl group with a cobalamin-dependent radical SAM MT using S-adenosylethionine as a cofactor. This shows the potential of SAM (analogue) supply and regeneration for the application of diverse chemistry, as well as for mechanistic studies using cofactor analogues. 相似文献