Papers by Abdelaziz Gharbi
La résilience : " Pertinence du concept dans le champ des handicaps
System for Body and Mind Monitoring in coaching process
2008 5th International Summer School and Symposium on Medical Devices and Biosensors, 2008
In order to investigate the correlation between stress and cognitive performance, a mobile Body &... more In order to investigate the correlation between stress and cognitive performance, a mobile Body & Mind Monitoring System was implemented. This system has a modular design and contains different modules allowing a long time and noninvasive monitoring of physiological parameters of a test person in his every day life, for instance ECG, GSR, PPG, respiration and physical activity. The functionality
JoAnne Yates and Craig N. Murphy, Engineering Rules: Global Standard Setting since 1880. Baltimore: Johns Hopkins University Press, 2019. Pp. 440. ISBN 978-1-4214-2889-5. $64.95 (hardcover)
The British Journal for the History of Science
of the Fabrist circle are relevant to the history of mathematical culture. Chapter 2 traces Lefèv... more of the Fabrist circle are relevant to the history of mathematical culture. Chapter 2 traces Lefèvre’s reform ideals back to their origins: the mystical teachings of Ramon Llull and Nicholas of Cusa (in addition to the Platonic heritage of Italian humanism). Chapter 3 is written from Beatus Rhenanus’s standpoint and outlines the strategies (e.g. note taking, mnemonics, etc.) developed by Renaissance students to deal with the copious amount of literature that the humanistic call ad fontes, combined with the rise of printing, contributed to make available. Chapter 4 takes us into the printshop in which Lefèvre, spurred by his students and relying on their support, invented a series of original textbooks characterized by their collective authorship and their rich apparatus of paratexts (i.e. tables, diagrams, etc.). Chapter 5 shows how Lefèvre’s practical and multisensory approach to the study of mathematics – involving the use of measurement instruments and computational tools alongside the textbook –made a contribution to the advancement of mixed mathematics, more specifically music and cosmography. Speaking from a post-Koyrean perspective, Chapter 6 illustrates how Lefèvre’s sympathy for practical mathematics was fully compatible with a classic yet refined Aristotelian mindset instead of being opposed to it. The epilogue of the book follows Lefèvre away from the university classroom by mapping out his legacy. The major strength of Making Mathematical Culture is that it helps situate the history of mathematics within the broader field of the history of knowledge and cultural history. Too often the history of mathematics has been seen as a tale of brilliant minds, as a linear sequence of breakthroughs, one leading to the other. Apart from the obvious teleological bias, what this view fails to acknowledge is that not everything in the history of mathematics is about mathematics. The concrete and historically embedded practices in which mathematical knowledge was produced and circulated also deserve our attention. This is so not only because similar issues have been explored in closely related fields, such as the history of the book or social history (and it is now time for the historian of mathematics to take advantage of this existing scholarship), but also because an enquiry into the modes of production of mathematical knowledge can help us solve the question of how mathematics became the foundational science that we know today. Chapter 4 of Oosterhoff’s book, exploring the invention of the mathematical textbook, is exemplary in this respect. Building on, among others, Ann Blair’s pioneering studies on the rise of note taking and Anthony Grafton’s research on the making of the printed book, this chapter shows how Lefèvre’s wise use of paratexts led to the creation of innovative textbooks aiming to facilitate the students’ access to mathematics through a ‘collating’ approach. In Oosterhoff’s opinion, it is this approach – ‘a back-and-forth movement between compressed and expanded accounts, between concise elements and their discursive explanations’ – that ‘deepens the significance of Lefèvre and his little band to the long tradition of methodical reflection that carries through Peter Ramus to René Descartes, and more generally through the German encyclopaedists’ (p. 120). The same tradition gave us the idea of a universal mathematics (or mathesis universalis) underlying all sciences. PAOLO ROSSINI Erasmus School of Philosophy
Journal of Drug Delivery and Therapeutics
Polianthes tuberosa L. (Amaryllidaceae) is an ornamental and medicinal plant. Its flowers and bul... more Polianthes tuberosa L. (Amaryllidaceae) is an ornamental and medicinal plant. Its flowers and bulbs are used traditionally as a diuretic, emetic, against rashes and gonorrhea. The aim of this work was, to evaluate the antioxidant and antimicrobial activities of bulbs and bulbils alkaloid extracts of P. tuberosa. Antiradical effect was assessed against DPPH radical. However, antimicrobial activity was measured through the disc diffusion method against Escherichae coli ATCC 25922, Pseudomonas aeruginosa ATCC 27853, Staphylococcus aureus ATCC 25923, Enterococcus faecalis ATCC 29212, Staphylococcus aureus resistant to Methicillin (MRSA) and Candida albicans ATCC 90028. The scavenging effect against DPPH showed that the bulbs and bulbils alkaloids extracts exhibited an antiradical effect with IC50 = 0.231±0.017 mg/mL and 0.233±0.093 mg/mL respectively, less than the effect of vitamin C with IC50 = 0.0194±0.0002 mg/mL. Antimicrobial activity results reveal that both alkaloid bulbs extract...
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Papers by Abdelaziz Gharbi