Search results for "Anus"
showing 10 items of 841 documents
In Vitro Phytotoxicity and Antioxidant Activity of Selected Flavonoids
2012
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UV-Induced Changes of Active Components and Antioxidant Activity in Postharvest Pigeon Pea [Cajanus cajan (L.) Millsp.] Leaves
2013
In this study, the effect of UV irradiation (UV-A, UV-B, and UV-C) on phytochemicals, total phenolics, and antioxidant activity of postharvest pigeon pea leaves was evaluated. The response of pigeon pea leaves to UV irradiation was phytochemical specific. UV-B and UV-C induced higher levels of phytochemicals, total phenolics, and antioxidant activity in pigeon pea leaves compared with UV-A. Furthermore, UV-B irradiation proved to possess a long-lasting effect on the levels of phenolics and antioxidant activity. After adapting for 48 h at 4 °C following 4 h UV-B irradiation, total phenolics and antioxidant activity were approximately 1.5-fold and 2.2-fold increased from 39.4 mg GAE/g DM and …
Populations of breeding birds in Byers Peninsula, Livingston Island, South Shetland Islands
2013
Data about breeding populations of birds in the Antarctica are rare and fragmented. Thus, information about the status of the breeding populations of Antarctic birds is crucial given the current scenario of climate change, which is particularly acute in Antarctica. This paper presents new information about the populations of the Antarctic tern Sterna vittata, the kelp gull Larus dominicanus, the southern giant petrel Macronectes giganteus, the Antarctic skua Catharacta antarctica lonnbergi, the chinstrap penguin Pygoscelis antarctica and the gentoo penguin Pygoscelis papua on Byers Peninsula (Livingston Island, South Shetland Islands). We used line transects counts to estimate both densitie…
Exploring the “Cozy Cabal of Academics, Dealers and Collectors” through the Schøyen Collection
2020
In the wake of the trade in ancient materials, several ethical and political issues arise that merit concern: The decimation of the cultural heritage of war-torn countries, proliferation of corruption, ideological connotations of orientalism, financial support of terrorism, and participation in networks involved in money laundering, weapon sales, human trafficking and drugs. Moreover, trafficking and trading also have a harmful effect on the fabric of academia itself. This study uses open sources to track the history of the private Schø
Tales of saviours and iconoclasts. On the provenance of "the Dead Sea Scrolls of Buddhism"
2021
Academic research on newly discovered ancient Buddhist manuscripts is largely based on objects that come from the antiquities market and to a much lesser degree on objects coming from documented and controlled archaeological excavations. Despite their being unprovenanced, collectors and scholars often present such objects with narratives mimicking provenance. The use of the label "Dead Sea Scrolls" attached to archaeological material without connections to Judaism or early Christianity is a prevalent example of this scholarly praxis. In this article, we deconstruct provenance narratives associated with the undocumented Buddhist manuscripts in the Schøyen Collection and discuss their implica…
A transcription of MS Vatican, Borgh. 129: Gualterus Burlaeus Expositio super libros Politicorum, lib. 1, tract. 1, cap. 1
2021
This is a transcription of the beginning of Walter Burley’s (c. 1275–after 1344) commentary on Aristotle’s Politics (book one, tractate one, chapter one). The transcription reproduces the text of Vatican, MS Borgh. 129, fol. 1r–148v (here fol. 2rb–6va), which has been accessed in a high quality digital reproduction in colour. The commentary has been dated between 1338/39 and 1342. The transcription includes two apparatuses. The first of them is dedicated to references, mainly to Aristotle’s Politics. The other apparatus is for critical notes, and its main function is to reproduce marginalia. The manuscript contains several corrections by another hand (marked here as V1), and since these cor…
The anti-inflammatory fungal compound (S)-curvularin reduces proinflammatory gene expression in an in vivo model of rheumatoid arthritis.
2012
In previous studies, we identified the fungal macrocyclic lactone (S)-curvularin (SC) as an anti-inflammatory agent using a screening system detecting inhibitors of the Janus kinase/signal transducer and activator of transcription pathway. The objective of the present study was to investigate whether SC is able to decrease proinflammatory gene expression in an in vivo model of a chronic inflammatory disease. Therefore, the effects of SC and dexamethasone were compared in the model of collagen-induced arthritis (CIA) in mice. Total genomic microarray analyses were performed to identify SC target genes. In addition, in human C28/I2 chondrocytes and MonoMac6 monocytes, the effect of SC on proi…
JAK3/STAT5/6 Pathway Alterations Are Associated with Immune Deviation in CD8+ T Cells in Renal Cell Carcinoma Patients
2010
To investigate the molecular mechanisms underlying altered T cell response in renal cell carcinoma (RCC) patients, we compared autologous and allogeneic CD8(+) T cell responses against RCC line from RCC patients and their HLA-matched donors, using mixed lymphocyte/tumor cell cultures (MLTCs). In addition, we analyzed the expression of molecules associated with cell cycle regulation. Autologous MLTC responder CD8(+) T cells showed cytotoxic activity against RCC cell lines; however the analysis of the distribution of CD8(+) T-cell subsets revealed that allogenic counterparts mediate superior antitumor efficacy. In RCC patients, a decreased proliferative response to tumor, associated with defe…
δ13C variations in tree rings as an indication of severe changes in the urban air quality
2002
Abstract Annual growth rings sampled from three free-standing trees (Platanus hybrida sp.), grew in the metropolitan area of Palermo (Italy) and covering a 118 years time span (1880–1998), have been studied for their 13C/12C carbon isotope ratios. It has been found that the 13C/12C tree ring record, during the study time interval, decreased of −3.6‰, from −26.4‰ in 1880 to −30‰ in 1998. Such a progressive depletion has been attributed to the addition of anthropogenic 13C depleted carbon dioxide to the local atmosphere. The observed 13C/12C decrease has been used to infer some possible pathways of atmospheric CO2 change in the study urban area.
Doppler Estimation and Correction for JANUS Underwater Communications
2020
In recent years, underwater communications have seen a growing interest pushed by marine research, oceanography, marine commercial operations, offshore oil industry and defense applications. Generally, underwater communications employ audio signals which can propagate relatively far but are also significantly affected by Doppler distortions. In fact, physical properties of the water and spatial changes due to tides, currents and waves can cause channel variations or unwanted movements of the transmitter or receiver. This study shows how to compensate for the Doppler effect in transmission employing the JANUS standard, a popular modulation scheme for underwater communication. Differently for…