Journal articles: 'Gems, Classical'

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Mattusch, Carol, and Martin Henig. "Classical Gems." Classical World 91, no. 4 (1998): 292. http://dx.doi.org/10.2307/4352075.

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Gill, D. "Review. Classical gems. Classical gems: ancient and modern intaglios and cameos in the Fitzwilliam Museum, Cambridge. M Henig et al." Classical Review 46, no. 2 (February 1, 1996): 342–43. http://dx.doi.org/10.1093/cr/46.2.342.

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Cooper, B. Lee. "Classical Gassers: Pop Gems Inspired by the Great Composers." Popular Music and Society 40, no. 3 (December 2, 2016): 365–66. http://dx.doi.org/10.1080/03007766.2016.1257222.

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Kotansky, Roy, and Jeffrey Spier. "The “Horned Hunter” on a Lost Gnostic Gem." Harvard Theological Review 88, no. 3 (July 1995): 315–37. http://dx.doi.org/10.1017/s0017816000030832.

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The noted Provencal antiquarian Nicolas-Claude Fabri de Peiresc (1580-1637), perhaps the most dedicated of an international circle of acquaintances studying and collecting classical antiquities in the early seventeenth century, took an especially keen interest in ancient gems. With his friend, the painter Peter Paul Rubens (1577-1640), he planned an extensive publication on the subject that unfortunately never saw completion. Although Peiresc focused most of his attention on collecting Roman gems portraying classical iconography, he was also intrigued by the enigmatic series of magical gems—as were many others in the Renaissance, who considered the gems to be the products of early Gnostic heretics. A correspondence between Peiresc and Rubens in 1623, frequently cited in the modern literature, discusses the putative meaning of an amulet in Rubens's collection depicting a bell-shaped object thought to represent the “divine womb.” The gem is a Renaissance forgery based on genuine ancient examples; the concurrent—and correct—identification of this puzzling type as a uterus, however, contrasts markedly with the fanciful interpretations later fashionable in the nineteenth century.

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Nagy, Árpád M. "Figuring out the Anguipede (‘snake-legged god’) and his relation to Judaism." Journal of Roman Archaeology 15 (2002): 159–72. http://dx.doi.org/10.1017/s104775940001388x.

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So-called magical gems constitute an especially rich body of material evidence for magic and religion in the Roman Empire. They differ from the ordinary run of gems in three respects: in their selection of iconographic types, normally divine images of one sort or another; by their use of magic words and occasionally longer texts, primarily in Greek script; and by their use of magic signs, usually called characteres. At least one of these three elements must be present for a gem to be identifiable as magical. These “Zaubergemmen” form the most easily distinguishable sub-group of the wider class of amuletic gems, that is, engraved stones of talismanic function. The majority of the iconographic schemes appearing on magical gems adhere closely to the classical Graeco-Roman and Egyptian traditions. Others, however, are unique to this class of gems: rare even on other magical objects, they are practically unknown outside this sphere in the whole variety of ancient art.

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SAGIV, IDIT. "THE IMAGE OF THE RIDER ON GRECO-ROMAN ENGRAVED GEMS FROM THE ISRAEL MUSEUM (JERUSALEM)." ИСТРАЖИВАЊА, no. 27 (December 19, 2016): 33–44. http://dx.doi.org/10.19090/i.2016.27.33-44.

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This paper explores the interpretations and context of equestrian Greco-Roman engraved gems kept at the Israel Museum in Jerusalem which had never been published prior to this study. It was written on the basis of a study which included photography, description, technical aspects, iconographic and stylistic analysis and, finally, dating the gems. In order to achieve this, they were compared to other known ones that had already been published. The results indicate that horsemen frequently appear as subjects on intaglios. The Roman engraved gems drew their inspiration from established Greek rider imagery. Under the Roman Empire, the rider image became the preserve of that new divine figure, the emperor. The Imperial rider combined the attributes of a Bellerophon or the Dioscuri of the Classical period and an Alexander of the Hellenistic. Also, Gauls are fairly common in art and there are quite a number of Celtic/Gaulish horsemen on gems. Presumably, people wore such gems as a reminder of the iconic defeat of the Northern barbarians by the Attalids and more recent Roman triumphs. In addition, there are several examples of gems, on which appears a rider beneath whose horse a lion or another animal is lying. It is likely that this rider was perceived by the gem engraver and owner as some god or hero. Since these depictions of cavalry on gems are similar to the “Heros Equitans” image, possibly they were inspired by it and so were the depictions of the emperors. Thus it is concluded that applying representations of riders on engraved gems demonstrates the possible wish of affluent, albeit ordinary people to resemble the ruling class as well as heroes through the purchase and use of these gems which also bear additional meanings of bravery and immortality.

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Henig, Martin. "Three Gems in the Society's Collection." Antiquaries Journal 79 (September 1999): 389–92. http://dx.doi.org/10.1017/s0003581500044590.

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The purpose of this note is to mark the transfer to the Society's museum of three Roman gemstones which came into my possession as gifts at different times and which I decided I would like to share with the Fellowship in general. The Society, indeed, has long owned a number of medieval and later seals and sealings, a few of which were recently displayed in the entrance lobby, and it has long seemed to me that the inclusion of Roman intaglios would make its holdings more representative for future students. Historians of medieval sigillography in the past were rather ignorant of Roman gems and, indeed, of Classical iconography in general and more curiously were hardly aware that the seal use of the Middle Ages almost exactly parallels earlier Roman practice. However, since the recent publication of a general book on sealing, the basic continuity of the tradition should be obvious to all.

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Neverov, O. Y. "GEMS AND FINGER-RINGS FROM NYMPHAEUM (Towards α Monograph of Classical Glyptics)." Ancient Civilizations from Scythia to Siberia 6, no. 3-4 (2000): 179–91. http://dx.doi.org/10.1163/157005700x00140.

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III, Cornelius C. Vermeule, and Martin Henig. "Classical Gems: Ancient and Modern Intaglios and Cameos in the Eitzwilliam Museum, Cambridge." American Journal of Archaeology 101, no. 3 (July 1997): 624. http://dx.doi.org/10.2307/507140.

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Hall, Edith. "How much did pottery workers know about classical art and civilisation?" Bulletin of the Institute of Classical Studies 63, no. 1 (June 1, 2020): 17–33. http://dx.doi.org/10.1093/bics/qbaa005.

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Abstract The voices of pottery workers across the British Isles during the heyday of the taste for classically themed ceramics are almost silent to us, since so few left memoirs or diaries. But other sources cumulatively build up a picture of skilled male, female, and child workers familiar with multifarious ancient artefacts and books visually reproducing them. At Etruria and Herculaneum, workers were encouraged to see themselves as participants in the rebirth of the ancient ceramic arts; they were trained in painstaking reproduction of details not only from ancient vases but from ancient gems, intaglios, ivories, coins, bas-reliefs, frescoes, friezes, statues, and sarcophagi. They were familiar with the stories of a substantial number of ancient mythical and historical figures, and the different aesthetic conventions of classical Athenian, Hellenistic, and Roman art. Some were even able to study antiquity at institutions of adult education, and had access to well-stocked workers’ libraries.

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Hassan, Shazia. "Effective Strategies for Development of Tourism Sector: A Critical Review." Asian Review of Social Sciences 9, no. 2 (November 5, 2020): 14–19. http://dx.doi.org/10.51983/arss-2020.9.2.1623.

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The tourism sector is gaining increased importance for the economic development of countries around the world. Tourism sector has emerged as an important sector of Indian economy and contributes substantially in the country’s Foreign Exchange Earnings. Tourism is the third largest foreign exchange earner after gems, jeweler and readymade garments and represents vibrant economic sector with overwhelming growth and revenue generation. The purpose of this paper is to give a theoretical overview of the classical and contemporary business strategies that can be implemented in a more or less modified form for the development of tourism sector.

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Treister, Mikhail. "Polyhedron Seals of the Transcaucasian Origin Dated 2nd – 1st CC BC from the Burials of the Nomads of Asian Sarmatia of the 1st – First Half of the 2nd Century AD." Nizhnevolzhskiy Arheologicheskiy Vestnik, no. 2 (December 2020): 200–217. http://dx.doi.org/10.15688/nav.jvolsu.2020.2.11.

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The article features the gem of rather rare forms, namely so-called prisms, polyhedra, scaraboids and bifacial gems which were found in the burials of the Asian Sarmatia nomads. The author describes an attempt to attribute seals in the form of polyhedra from Sarmatian burials dated back to the 1st – first half of the 2nd century AD within the Lower and Upper Don and the Lower Volga regions. Polyhedra belong to the forms of gems, which became widespread in the Classical era, both among Greek and so-called Greek-Persian gems. In the 2nd – 1st centuries BC the seals in the form of polyhedra were widely distributed across the Caucasus and, especially, in Transcaucasia region. According to the finds, they are represented by numerous items made of carved stone, as well as of dark blue glass, milky white and greenish color. Moreover, there are also known rectangular forms of prints of such seals on the bulls, in particular which were excavated from the palace at Dedoplis Gora in Caucasian Iberia, dated to the 1st century BC – 1st century AD. The analysis of the shapes, materials and subjects of the images on the seals from the Sarmatian burials considered in the current article suggests that they were made in Transcaucasian workshops of the 2nd – 1st centuries BC. The probable Transcaucasian origin of the seals and their dating to the late Hellenistic period are an indirect confirmation of the hypothesis previously expressed by the author about the early cylindrical, conical seals and scaraboids of the mid-2nd – mid-1st millennium BC found in Sarmatian burials of the 1st century BC – 2nd century AD, originating from the sanctuaries of Transcaucasia.

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ISAC, Iuliana, Vlad ISAC, and Ignac FILIP. "The Sound of the Stradivari Violin – between Tradition and Modernism." BULLETIN OF THE TRANSYLVANIA UNIVERSITY OF BRASOV SERIES VIII - PERFORMING ARTS 13 (62), SI (January 20, 2021): 149–54. http://dx.doi.org/10.31926/but.pa.2020.13.62.3.16.

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The Stradivari violin had classical instrument manufacturing reach its peak and is also a landmark for consecrated creators and performers. Reproducing the unique sound has been a challenge for luthiers all around the world. At the same time preserving the sound quality and implicitly the instruments themselves remains a difficult task especially for the Museum in Cremona which has undertaken the responsibility of keeping a history page intact. An important step in this direction was taken in 2017, with the international project of the electronic library for the original sound of the Vesuvius violin, one of Antonio Stradivari’s gems. The technical team who successfully completed the project redefined high-quality sampling from a new perspective. Due to it, instrumental music composers can refine their creative discourse inspired by authentic, brilliant sonic material.

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Wilken, St Elmo, Victor Vera Frazão, Nima P. Saadat, and Oliver Ebenhöh. "The view of microbes as energy converters illustrates the trade-off between growth rate and yield." Biochemical Society Transactions 49, no. 4 (July 20, 2021): 1663–74. http://dx.doi.org/10.1042/bst20200977.

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The application of thermodynamics to microbial growth has a long tradition that originated in the middle of the 20th century. This approach reflects the view that self-replication is a thermodynamic process that is not fundamentally different from mechanical thermodynamics. The key distinction is that a free energy gradient is not converted into mechanical (or any other form of) energy but rather into new biomass. As such, microbes can be viewed as energy converters that convert a part of the energy contained in environmental nutrients into chemical energy that drives self-replication. Before the advent of high-throughput sequencing technologies, only the most central metabolic pathways were known. However, precise measurement techniques allowed for the quantification of exchanged extracellular nutrients and heat of growing microbes with their environment. These data, together with the absence of knowledge of metabolic details, drove the development of so-called black-box models, which only consider the observable interactions of a cell with its environment and neglect all details of how exactly inputs are converted into outputs. Now, genome sequencing and genome-scale metabolic models (GEMs) provide us with unprecedented detail about metabolic processes inside the cell. However, mostly due to computational complexity issues, the derived modelling approaches make surprisingly little use of thermodynamic concepts. Here, we review classical black-box models and modern approaches that integrate thermodynamics into GEMs. We also illustrate how the description of microbial growth as an energy converter can help to understand and quantify the trade-off between microbial growth rate and yield.

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Kasumba, Irene N., Caisey V. Pulford, Blanca M. Perez-Sepulveda, Sunil Sen, Nurulla Sayed, Jasnehta Permala-Booth, Sofie Livio, et al. "Characteristics of Salmonella Recovered From Stools of Children Enrolled in the Global Enteric Multicenter Study." Clinical Infectious Diseases 73, no. 4 (January 25, 2021): 631–41. http://dx.doi.org/10.1093/cid/ciab051.

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Abstract Background The Global Enteric Multicenter Study (GEMS) determined the etiologic agents of moderate-to-severe diarrhea (MSD) in children under 5 years old in Africa and Asia. Here, we describe the prevalence and antimicrobial susceptibility of nontyphoidal Salmonella (NTS) serovars in GEMS and examine the phylogenetics of Salmonella Typhimurium ST313 isolates. Methods Salmonella isolated from children with MSD or diarrhea-free controls were identified by classical clinical microbiology and serotyped using antisera and/or whole-genome sequence data. We evaluated antimicrobial susceptibility using the Kirby-Bauer disk-diffusion method. Salmonella Typhimurium sequence types were determined using multi-locus sequence typing, and whole-genome sequencing was performed to assess the phylogeny of ST313. Results Of 370 Salmonella-positive individuals, 190 (51.4%) were MSD cases and 180 (48.6%) were diarrhea-free controls. The most frequent Salmonella serovars identified were Salmonella Typhimurium, serogroup O:8 (C2-C3), serogroup O:6,7 (C1), Salmonella Paratyphi B Java, and serogroup O:4 (B). The prevalence of NTS was low but similar across sites, regardless of age, and was similar among both cases and controls except in Kenya, where Salmonella Typhimurium was more commonly associated with cases than controls. Phylogenetic analysis showed that these Salmonella Typhimurium isolates, all ST313, were highly genetically related to isolates from controls. Generally, Salmonella isolates from Asia were resistant to ciprofloxacin and ceftriaxone, but African isolates were susceptible to these antibiotics. Conclusions Our data confirm that NTS is prevalent, albeit at low levels, in Africa and South Asia. Our findings provide further evidence that multidrug-resistant Salmonella Typhimurium ST313 can be carried asymptomatically by humans in sub-Saharan Africa.

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Rigaut, François, and Benoit Neichel. "Multiconjugate Adaptive Optics for Astronomy." Annual Review of Astronomy and Astrophysics 56, no. 1 (September 14, 2018): 277–314. http://dx.doi.org/10.1146/annurev-astro-091916-055320.

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Since the year 2000, adaptive optics (AO) has seen the emergence of a variety of new concepts addressing particular science needs; multiconjugate adaptive optics (MCAO) is one of them. By correcting the atmospheric turbulence in 3D using several wavefront sensors and a tomographic phase reconstruction approach, MCAO aims to provide uniform diffraction limited images in the near-infrared over fields of view larger than 1 arcmin2, i.e., 10 to 20 times larger in area than classical single conjugated AO. In this review, we give a brief reminder of the AO principles and limitations, and then focus on aspects particular to MCAO, such as tomography and specific MCAO error sources. We present examples and results from past or current systems: MAD (Multiconjugate Adaptive Optics Demonstrator) and GeMS (Gemini MCAO System) for nighttime astronomy and the AO system, at Big Bear for solar astronomy. We examine MCAO performance (Strehl ratio up to 40% in H band and full width at half maximum down to 52 mas in the case of MCAO), with a particular focus on photometric and astrometric accuracy, and conclude with considerations on the future of MCAO in the Extremely Large Telescope and post–HST era.

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LINS, SÓSTENES. "COMBINATORIAL DEHN–LICKORISH TWISTS AND FRAMED LINK PRESENTATIONS OF 3-MANIFOLDS REVISITED." Journal of Knot Theory and Its Ramifications 16, no. 10 (December 2007): 1383–92. http://dx.doi.org/10.1142/s0218216507005853.

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From a pseudo-triangulation with n tetrahedra T of an arbitrary closed orientable connected 3-manifold (for short, a 3D-space) M3, we present a gem J′, inducing 𝕊3, with the following characteristics: (a) its number of vertices is O(n); (b) it has a set of p pairwise disjoint couples of vertices {ui, vi}, each named a twistor; (c) in the dual (J′)⋆ of J′ a twistor becomes a pair of tetrahedra with an opposite pair of edges in common, and it is named a hinge; (d) in any embedding of (J′)⋆ ⊂ 𝕊3, the ∊-neighborhood of each hinge is a solid torus; (e) these p solid tori are pairwise disjoint; (f) each twistor contains the precise description on how to perform a specific surgery based in a Denh–Lickorish twist on the solid torus corresponding to it; (g) performing all these p surgeries (at the level of the dual gems) we produce a gem G′ with |G′| = M3; (h) in G′ each such surgery is accomplished by the interchange of a pair of neighbors in each pair of vertices: in particular, |V(G′) = |V(J′)|. This is a new proof, based on a linear polynomial algorithm, of the classical theorem of Wallace (1960) and Lickorish (1962) that every 3D-space has a framed link presentation in 𝕊3 and opens the way for an algorithmic method to actually obtaining the link by an O(n2)-algorithm. Actually this has been done and awaits a proper implentation.

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Manning, W. H. "Classical Gems. Ancient and Modern Intaglios and Cameos in the Fitzwilliam Museum, Cambridge. By Martin Henig. Cambridge UP., 1994. Pp. xxxii + 538, with 4 colour plates and black-and-white illustrations. £125.00." Greece and Rome 43, no. 2 (October 1996): 221–22. http://dx.doi.org/10.1093/gr/43.2.221.

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Elsner, Jaś. "LITHIC POETICS: POSIDIPPUS AND HIS STONES." Ramus 43, no. 2 (December 2014): 152–72. http://dx.doi.org/10.1017/rmu.2014.8.

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The 20 poems collected together as thelithikaof Posidippus, the first surviving poems on a papyrus roll only published in 2001 and dating from the third century BCE, offer a range of spectacular new evidence for a series of issues in Hellenistic history, art and literature. The standard view is that Posidippus was probably author of all the epigrams in the roll known as P. Mil. Vogl. VIII 309, although this has been contested and by no means need certainly be the case. For my purposes here, I do assume that the interconnected poetics of the poems in thelithikado imply a single poet who is quite likely to be Posidippus, since poem 15—independently anthologised in antiquity and known through a manuscript tradition—was attributed to Posidippus in the twelfth century by the Byzantine poet and grammarian John Tzetzes. Historically speaking, the fact that so many of these poems focus on gems from the east gives remarkable insight into the interchange between Hellenistic and Achaemenid cultures: specifically, they signal the prestige of treasures from the east in the Hellenistic courts. In the history of collections, they represent a very early example of exoticism in elite collecting, of the accumulation of valuables in what we may assume was a royal and non-sacredSchatzkammer, of the need for an aesthetic response (in this case through short poems) to ‘label’ and valorise the precious items in the collection. In the history of ancientWissenschaft, the poems’ use of late Classical gem-lore (exemplified in texts like theOn Stonesof Theophrastus) offers a vivid instance of the ways theoretical knowledge circulated at least in elite contexts around the royal circle.

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Lam, N. T., D. Gratadour, D. Rouan, and L. Grosset. "High angular resolution study of the super star cluster population in IRAS 17138−1017." Astronomy & Astrophysics 639 (July 2020): A28. http://dx.doi.org/10.1051/0004-6361/202037755.

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Aims. Currently, the global characteristics and evolution of super star clusters (SSCs) are not well understood, due to the large distances to their host galaxies. We aim to study the population of SSCs in IRAS 17138-1017, a luminous infrared galaxy (LIRG), in terms of age, extinction, mass, and luminosity distribution. Methods. We analyzed imaging data in the near-infrared from the GeMS/GSAOI instrument on the Gemini telescope and generated simulations with the radiative transfer code MontAGN. The extraction of SSCs from the images and their photometry in J, H, and Ks allowed us to derive color-color and color-magnitude diagrams. Comparison with a theoretical stellar evolutionary track gives a first hint into the extinction towards each SSC, as well as their ages, despite some degeneracy between those two quantities. Spectra given by our radiative transfer code MontAGN, which includes dust emission, also provide insightful predictions and comparisons. Results. We detect with a fair degree of confidence 54 SSCs of mKs between 16 mag and 21 mag with a median instrumental uncertainty of 0.05 mag. When plotted on a color–color diagram and a color–magnitude diagram, it appears that most of the sources are very much extinct with respect to an intrinsic theoretical evolutionary track. Once de-reddened, the colors point unambiguously to two distinct and very recent starburst episodes at 2.8 and 4.5 Myr. While the SSCs in the 4.5 Myr starburst are distributed along the spiral arms, the 2.8 Myr SSCs are concentrated in the central region. The luminosity and mass functions present a classical power-law behavior, although with shallower slopes than generally observed in LIRGs. Comparison with radiative transfer simulations shows that, the dust thermal emission and scattered light are negligible and could not explain the few very red SSCs that could not be de-reddened safely.

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Gill, D. "E.A. Tees: The Ancient and Classicising Finger-rings and Gems. The McGill University Collection of Greek and Roman Antiquities. Fascicule 2. (McGill University Monographs in Classical Archaeology and History, 4.2.). Amsterdam: JC Gieben, 1993." Classical Review 46, no. 1 (January 1, 1996): 190–91. http://dx.doi.org/10.1093/cr/46.1.190.

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Mattusch, Carol C., and Dimitris Plantzos. "Hellenistic Engraved Gems." Classical World 98, no. 2 (2005): 220. http://dx.doi.org/10.2307/4352938.

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Cravinho, Graça. "Some engraved gems from Ammaia." Pallas, no. 83 (October 1, 2010): 13–33. http://dx.doi.org/10.4000/pallas.10610.

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BOSMAN, A. V. A. J. "The Velsem Gems (2)." BABESCH - Bulletin Antieke Beschaving 69 (January 1, 1994): 155–64. http://dx.doi.org/10.2143/bab.69.0.2005946.

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Seidmann, Gertrud. "Classical Gems: Ancient and Modern Intaglios and Cameos in the Fitzwilliam Museum, Cambridge. By Martin Henig with Mary Whiting and Diana Scarisbrick. 300mm. Pp. 72, 982 b/w ills, 4. pp. col. pls. Cambridge: Cambridge University Press, 1994. ISBN 0-521-23901-X. £150.00." Antiquaries Journal 78 (March 1998): 476–77. http://dx.doi.org/10.1017/s0003581500500225.

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Seidmann, Gertrud. "Classical Gems: Ancient and Modern Intaglios and Cameos in the Fitzwilliam Museum, Cambridge. By Martin Henig with Mary Whiting and Diana Scarisbrick. 300mm. Pp. 72, 982 b/w ills, 4. pp. col. pls. Cambridge: Cambridge University Press, 1994. ISBN 0-521-23901-X. £150.00." Antiquaries Journal 78 (September 1998): 476–77. http://dx.doi.org/10.1017/s0003581500045133.

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Sansone, Alfredo. "Una famiglia dalle origini incerte: la gens Valgia." Historia 69, no. 4 (2020): 441. http://dx.doi.org/10.25162/historia-2020-0019.

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Henig, Martin. "Gems of late antiquity and the classical tradition - JEFFREY SPIER, LATE ANTIQUE AND EARLY CHRISTIAN GEMS (Reichert Verlag, Wiesbaden2007). Pp. vii + 221, pls. 155. ISBN 978-3-89500-434-6. EUR. 198. - MAURIZIO BUORA (a cura di), LE GEMME INCISE NEL SETTECENTO E OTTOCENTO. CONTINUITÀ DELLA TRADIZIONE CLASSICA (ATTI DEL CONVEGNO DI STUDIO, UDINE, 26 SETTEMBRE 1998) IN MEMORIA DI MARTHA McCRORY (Cataloghi e Monografie archeologiche dei Civici Musei di Udine; “L'Erma” di Bretschneider, Roma2006). Pp. 155, many ills. ISBN 88-8265-410-9." Journal of Roman Archaeology 21 (2008): 741–44. http://dx.doi.org/10.1017/s1047759400005225.

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Nestorović, Aleksandra. "Late roman gems from the territory of Slovenia." Pallas, no. 83 (October 1, 2010): 169–77. http://dx.doi.org/10.4000/pallas.10962.

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Monr�s, G., M. A. Tena, P. Escribano, V. Cantavella, and J. Carda. "Classical ceramic colors through colloidal and from alkoxides gels." Journal of Sol-Gel Science and Technology 2, no. 1-3 (1994): 377–80. http://dx.doi.org/10.1007/bf00486274.

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Oweini, Ahmad, Ghada M. Awada, and Fatima S. Kaissi. "Effects of Diglossia on Classical Arabic: Language Developments in Bilingual Learners." GEMA Online® Journal of Language Studies 20, no. 2 (May 22, 2020): 188–202. http://dx.doi.org/10.17576/gema-2020-2002-11.

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Hutagalung, Novriana Gloria. "Holy Grandeur Enough for All." GEMA TEOLOGIKA 2, no. 2 (October 30, 2017): 195. http://dx.doi.org/10.21460/gema.2017.22.317.

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Natural degradation is not merely a competition between ecology and economy. The destruction of nature is closely related to religiosity and human relationships to fellow human beings, the environment, and God. Ecotheology becomes a self-criticism of the classical doctrines of Christianity, which are considered to exalt humankind as the "crown of creation"� and marginalize non-human creatures as commodities of economic value for human interests. Ecotheology seems to have talked too often about damaged nature, or even extinct plants or animals, and forgetting the other side of the bountiful biodiversities, which is the holy beauty of nature. Ecotheology needs to ponder that God, the Holy Grandeur, who manifests the cosmic wisdom in the beauty of all creation, is enough for all.

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Smagulov, E. A. "Finds of Sasanian Gems in the Otrar Oasis." Ancient Civilizations from Scythia to Siberia 3, no. 2-3 (1997): 253–59. http://dx.doi.org/10.1163/157005796x00154.

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Spier, Jeffrey. "Most Fowl: Athena, Ares, and Hermes Depicted as Birds on Engraved Gems." Pallas, no. 83 (October 1, 2010): 245–50. http://dx.doi.org/10.4000/pallas.11101.

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Platz-Horster, Gertrud. "Kleine Praser and Chromium-bearing Chalcedonies. About a small group of engraved gems." Pallas, no. 83 (October 1, 2010): 179–202. http://dx.doi.org/10.4000/pallas.10993.

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Nur Hidayat, Eko. "Pengembangan Aplikasi Decission Support System untuk Kasus Model Inventory." Majalah Ilmiah Gema Maritim 22, no. 2 (September 30, 2020): 156–62. http://dx.doi.org/10.37612/gema-maritim.v22i2.111.

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Keakuratan data merupakan modal untuk membuat informasi yang sangat berguna bagi sebuah organisasi. Nilai data bisa sangat mahal jika bisa dijadikan sebuah informasi yang tepat sebagai dasar pengambilan keputusan. Pengadaan dan inventarisasi data merupakan salah satu hal yang perlu diperhatikan khususnya bidang logistic dalams ebuah organisasi. Oleh karena itu diperlukan suatu sistem dengan menggunakan metode tertentu yang dapat mendukung pengelolaan data pengadaan barang dan juga dapat membantu para manajer mengambil keputusan dalam melakukan control terhadap persediaan. Berdasarkan hal tersebut maka dapat dikembangkan sistem yang terintegrasi antara pengolahan data pengadaan dan jumlah pembelian barang yang menerapkan metode catatan persediaan seperti metode Classical Economic Order Quantity Model (EOQ Model) maupun Inventory Model with Planned Shortages. Metode yang digunakan adalah perancangan sistem untuk mendukung keputusan dalam menghitung jumlah persediaan agar menjadi optimal. Dengan menggunakan sistem pendukung keputusan, beberapa kesalahan terkait dengan pencatatan data pada pengadaan dan ketidakakuratan dalam menentukan jumlah persediaan dapat dikurangi sehingga perusahaan dapat menghindari kerugian material.

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Izquierdo Izquierdo, José Antonio. "Virginia Alfaro, Victoria E. Rodríguez y Gema Senés (eds.), Studia Classica et Emblematica caro magistro Francisco J. Talavera Esteso dicata." Analecta Malacitana. Revista de la sección de Filología de la Facultad de Filosofía y Letras 40 (October 14, 2020): 387–94. http://dx.doi.org/10.24310/analecta.2019.v40i.10433.

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Zakarya, Razia, Viive M. Howell, and Emily K. Colvin. "Modelling Epithelial Ovarian Cancer in Mice: Classical and Emerging Approaches." International Journal of Molecular Sciences 21, no. 13 (July 7, 2020): 4806. http://dx.doi.org/10.3390/ijms21134806.

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High-grade serous epithelial ovarian cancer (HGSC) is the most aggressive subtype of epithelial ovarian cancer. The identification of germline and somatic mutations along with genomic information unveiled by The Cancer Genome Atlas (TCGA) and other studies has laid the foundation for establishing preclinical models with high fidelity to the molecular features of HGSC. Notwithstanding such progress, the field of HGSC research still lacks a model that is both robust and widely accessible. In this review, we discuss the recent advancements and utility of HGSC genetically engineered mouse models (GEMMs) to date. Further analysis and critique on alternative approaches to modelling HGSC considers technological advancements in somatic gene editing and modelling prototypic organs, capable of tumorigenesis, on a chip.

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Surikov, Igor E. "FAMILY AND CLAN AS CULTURAL PHENOMENA IN CLASSICAL ANTIQUITY: ANCIENT GREEK ΟΙΚΟΣ AND ΓΕΝΟΣ AS COMPARED WITH ROMAN FAMILIA AND GENS." RSUH/RGGU Bulletin. Series History. Philology. Cultural Studies. Oriental Studies, no. 7 (2018): 126–40. http://dx.doi.org/10.28995/2073-6355-2018-7-126-140.

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MAASKANT-KLEIBRINK, Marianne. "Three Gems Engravers at Work in a Jeweller's Shop in Norfolk." BABESCH - Bulletin Antieke Beschaving 67 (January 1, 1992): 151–67. http://dx.doi.org/10.2143/bab.67.0.2005974.

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Carda, J., S. Rodriguez, G. Monrós, M. A. Tena, P. Escribano, and J. Alarcón. "Preparation and characterization of gels with garnet structure: A3B2C3O12, using ‘non-classical’ solvents." Journal of Non-Crystalline Solids 147-148 (January 1992): 303–8. http://dx.doi.org/10.1016/s0022-3093(05)80634-9.

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Truong, Warren Ty, Yingying Su, Danmar Gloria, Filip Braet, and Pall Thordarson. "Dissolution and degradation of Fmoc-diphenylalanine self-assembled gels results in necrosis at high concentrations in vitro." Biomaterials Science 3, no. 2 (2015): 298–307. http://dx.doi.org/10.1039/c4bm00244j.

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The archetypical molecular gelatorFmoc-FFdisplays cytotoxic effectsin vitroat high concentrations, suggesting that results from classicalin vitroassays on self-assembled gels need to be interpreted with care.

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Marin, Frédéric, Françoise Immel, Nolwenn Trinkler, and Danièle Gaspard. "Staining SDS-PAGE Gels of Skeletal Matrices after Western Blot: A Way to Improve their Sharpness." Key Engineering Materials 672 (January 2016): 215–21. http://dx.doi.org/10.4028/www.scientific.net/kem.672.215.

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Denaturing 1D electrophoresis on acrylamide gels, also referred as SDS-PAGE, is a classical technique for fractionating and visualizing the macromolecular constituents of matrices associated to calcified tissues. This technique has been widely used in association with the subsequent silver nitrate staining. But because matrices associated to calcified tissues are very often glycosylated and constituted of numerous polydisperse macromolecules, the obtained pattern is frequently ‘smeary’ and discrete bands, when present on the gel, are often blurred and thickened. In this paper, we present a simple protocol that can circumvent this drawback and ‘clean’ the gels. In short, after the classical migration step of the matrix macromolecules, the gel is electro-blotted on a PVDF membrane, similarly to a Western blot, but for a shorter time (partial transfer, i.e., one hour or less). It is subsequently stained with silver nitrate. The likely effect of the transfer is to partly remove polydisperse macromolecules and to ‘sharpen’ the discrete bands. We think that this extra-step may improve in several cases the gel pictures, particularly when they are blurred. We illustrate this phenomenon with two examples taken from brachiopod and mollusc shell matrices.

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Sun, Jin Fu. "Modification of PK-15 Cells Proteome in the early Stage of Classical Swine Fever Virus Infection." Applied Mechanics and Materials 195-196 (August 2012): 459–64. http://dx.doi.org/10.4028/www.scientific.net/amm.195-196.459.

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To uncover host cellular responses in the early stage of classical swine fever virus infection, a proteomic analysis was conducted using 2D electrophoresis followed by MALDI-TOF-TOF identification. Altered expression of 21 protein spots in infected pk-15 cells at 24 h p.i. were identified in 2D gels, with 13 of these being characterized by MALDI-TOF-TOF. These proteins function in cytoskeletal, energy metabolism, nucleic acid/processing, and cellular stress. The expression alteration of these proteins presents the changes in physiological functions of host cells and provides a clue for further understanding of the mechanisms of CSFV infection and pathogenesis.

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West, Nick. "Gods on small things: Egyptian monumental iconography on late antique magical gems and the Greek and Demotic magical papyri." Pallas, no. 86 (October 30, 2011): 135–66. http://dx.doi.org/10.4000/pallas.2130.

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Marth, W., S. Praetorius, and A. Voigt. "A mechanism for cell motility by active polar gels." Journal of The Royal Society Interface 12, no. 107 (June 2015): 20150161. http://dx.doi.org/10.1098/rsif.2015.0161.

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We analyse a generic motility model, with the motility mechanism arising by contractile stress due to the interaction of myosin and actin. A hydrodynamic active polar gel theory is used to model the cytoplasm of a cell and is combined with a Helfrich-type model to account for membrane properties. The overall model allows consideration of the motility without the necessity for local adhesion. Besides a detailed numerical approach together with convergence studies for the highly nonlinear free boundary problem, we also compare the induced flow field of the motile cell with that of classical squirmer models and identify the motile cell as a puller or pusher, depending on the strength of the myosin–actin interactions.

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Nawrotek, Agata, Mahel Zeghouf, and Jacqueline Cherfils. "Protein–membrane interactions in small GTPase signalling and pharmacology: perspectives from Arf GTPases studies." Biochemical Society Transactions 48, no. 6 (December 18, 2020): 2721–28. http://dx.doi.org/10.1042/bst20200482.

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Small GTPases, in association with their GEFs, GAPs and effectors, control major intracellular processes such as signal transduction, cytoskeletal dynamics and membrane trafficking. Accordingly, dysfunctions in their biochemical properties are associated with many diseases, including cancers, diabetes, infections, mental disorders and cardiac diseases, which makes them attractive targets for therapies. However, small GTPases signalling modules are not well-suited for classical inhibition strategies due to their mode of action that combines protein–protein and protein–membrane interactions. As a consequence, there is still no validated drug available on the market that target small GTPases, whether directly or through their regulators. Alternative inhibitory strategies are thus highly needed. Here we review recent studies that highlight the unique modalities of the interaction of small GTPases and their GEFs at the periphery of membranes, and discuss how they can be harnessed in drug discovery.

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Chandran, Preethi L., and Victor H. Barocas. "Microstructural Mechanics of Collagen Gels in Confined Compression: Poroelasticity, Viscoelasticity, and Collapse." Journal of Biomechanical Engineering 126, no. 2 (April 1, 2004): 152–66. http://dx.doi.org/10.1115/1.1688774.

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Background: Collagen gels are important as platforms for in vitro study of cell behavior and as prototypical bioartificial tissues, but their mechanical behavior, particularly on the microscopic scale, is still poorly understood. Method of Approach: Collagen gels were studied in step (10% strain in 0.05 s) and ramp (0.1%/s strain rate for 100 s) confined compression. Real-time birefringence mapping gave the local collagen concentration and orientation along with piston stress. Variations in the retardation allowed material-point tracking and qualitative determination of the strain distribution. Results: Ramp tests showed classical poroelastic behavior: compression near the piston and relaxation to a uniform state. Step tests, however, showed an irreversibly collapsed region near the piston. Conclusions: Our results suggest that interstitial flow and fibril bending at crosslinks are the dominant mechanical processes during compression, and that fibril bending is reversible before collapse.

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Reis, A., S. Kossatz, GC Martins, and AD Loguercio. "Efficacy of and Effect on Tooth Sensitivity of In-office Bleaching Gel Concentrations: A Randomized Clinical Trial." Operative Dentistry 38, no. 4 (June 1, 2013): 386–93. http://dx.doi.org/10.2341/12-140-c.

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SUMMARY With the aim of reducing the side effects of in-office bleaching agents, less-concentrated hydrogen peroxide (HP) gels have been released by manufacturers. We evaluated the tooth sensitivity (TS) and bleaching efficacy (BE) of two HP concentrations in this study. Gels containing 35% and 20% HP (HP35 and HP20, respectively) were applied on teeth of 60 caries-free patients. Color was recorded at baseline and one week after the first and second bleaching sessions using the Vita Classical shade guide. TS was recorded on a 0-4 scale. BE at each weekly recall was evaluated by Kruskall-Wallis and Mann-Whitney tests (α=0.05). Absolute risk of TS and its intensity was evaluated by Fisher exact and Mann-Whitney tests, respectively (α=0.05). After two bleaching sessions, color change of approximately eight tabs was obtained with HP35; whereas, with HP20 it was six tabs (p<0.05). Only 26.7% (HP35) and 16.7% (HP20) of the participants reported TS, and no statistical differences were detected among them. Both in-office bleaching gels showed similar TS intensity, but the 35% HP agent produced faster bleaching.

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Allsopp, B. A., A. Jones, M. T. E. P. Allsopp, S. D. Newton, and C. N. L. Macpherson. "Interspecific characterization of several taeniid cestodes by isoenzyme analysis using isoelectric focusing in agarose." Parasitology 95, no. 3 (December 1987): 593–601. http://dx.doi.org/10.1017/s0031182000058017.

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SUMMARYTaenia cestodes were obtained from 5 different definitive host species in Kenya and 175 different samples were examined by classical morphological methods and by isoenzyme analysis using isoelectric focusing in agarose. Gels were stained for 17 different enzymes and 3 of these were used in the construction of isoenzyme profiles. The samples fell into 25 zymodemes, and no zymodeme contained more than 1 species of Taenia, indicating that isoenzyme analysis can reliably be used for the identification of species of this genus.

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Journal articles on the topic 'Gems, Classical'

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