1,008 research outputs found
Introduzione [a Acer Ferrara 100. Per una storia della casa pubblica a Ferrara e provincia. Studi e documenti IACP 1920 / ACER 2020]
No full textIl testo introduce i contenuti del volume collettaneo "ACER Ferrara 100. Per una storia della casa pubblica a Ferrara e provincia. Studi e documenti IACP 1920 / ACER 2020", a cura di E. Dorato, R. Farinella e M. Nani, definendone contesto, articolazione e finalità
Postfazione
No full textGli strumenti con i quali il lavoro culturale critico di Bonavita affronta il nodo complesso del razzismo e dell'antisemitismo in letteratura si vanno costruendo entro questo testo all'interno di un panorama critico non ancora definito nell'anno di pubblicazione del volume. Non esisteva, di fatto, una tradizione di studio del «razzismo» italiano. Al pregiudizio antimeridionale ¶era stata dedicata qualche inchiesta sociologica, ma esso non era ancora divenuto oggetto di un’adeguata attenzione storiografica; il razzismo coloniale era stato del tutto dimenticato, anche le pagine più scabrose del ventennio fascista, come i campi di concentramento libici, l’uso dei gas e l’apartheid in Etiopia; l’antisemitismo era considerato alla stregua di un «errore» finale del regime. Pur con alcune importanti eccezioni, i lavori esistenti generalmente non si misuravano a fondo con le prospettive teoriche maturate negli Stati Uniti o in Francia, e neppure con gli studi tedeschi o inglesi. Le stesse tradizioni sociologiche e antropologiche di analisi e interpretazione del razzismo erano poco conosciute e ciò contribuiva a rendere inimmaginabile valersi di suggestioni multiculturali o postcoloniali per leggere la vicenda dell’intellettualità e della cultura italiane. In particolare per quel che riguarda la letteratura, per molti ancora il più nobile fra gli oggetti culturali, cuore della formazione delle élite e dei cittadini, serbatoio dell’identità nazionale, pareva impensabile applicarle strumenti di analisi che ne evidenziassero le compromissioni con i razzismi. Del ridotto interesse della ricerca e del mercato editoriale italiani per il razzismo è testimone la bibliografia del catalogo: per restare ai volumi, i lavori generali sul razzismo erano quelli di Bauman, Jesi, Lewis, Mosse, Poliakov, Taguieff e Todorov; sul caso italiano le opere di riferimento erano opera di De Felice, Del Boca, Gallini, Michaelis e Picciotto Fargion, Pichetto, Sarfatti, Valabrega e Voigt; quanto alla letteratura Bonavita citava Mayer e Mosse, Eco e una raccolta sull’esotismo e, per l’Italia, i lavori di Tomasello, Cavaglion e Isnenghi. Al tempo, in italiano, non si disponeva di molto altro. Per questo il libro può essere considerato un sagnavia, come la postfazione cerca di mostrare, soffermandosi anche sugli sviluppi più recenti del dibattito su questi temi, che negli ultimi anni hanno dato prove sempre più interessanti e numerose
Estimating net anthropogenic nitrogen inputs (NANI) in the Lake Dianchi basin of China
No full textNet anthropogenic nitrogen inputs (NANI) with components of atmospheric N
deposition, synthetic N fertilizer, agricultural N fixation and N in net food
and feed imports from 15 catchments in the Lake Dianchi basin were determined
over an 11-year period (2000–2010). The 15 catchments range in size from
44 km2 to 316 km2 with an average of 175 km2. To reduce
uncertainty from scale change methodology, results from data extraction by
area-weighting and land use-weighting methods were compared. Results show
that the methodology for extrapolating data from the county scale to
watersheds has a great influence on NANI computation for catchments in the
Lake Dianchi basin, and that estimates of NANI between the two methods have
an average difference of 30% on a catchment basis, while a smaller
difference (15%) was observed on the whole Lake Dianchi basin basis. The
riverine N export has a stronger linear relationship with NANI computed by
the land use-weighting method, which we believe is more reliable. Overall,
nitrogen inputs assessed by the NANI approach for the Lake Dianchi basin are
9900 kg N km−2 yr−1, ranging from 6600 to
28 000 kg N km−2 yr−1 among the 15 catchments. Synthetic N
fertilizer is the largest component of NANI in most subwatersheds. On
average, riverine flux of nitrogen in catchments of the Lake Dianchi basin
averages 83% of NANI, far higher than generally observed in North
America and Europe. Saturated N sinks and a limited capacity for
denitrification in rivers may be responsible for this high percentage of
riverine N export. Overall, the NANI methodology should be applicable in
small watersheds when sufficiently detailed data are available to estimate
its components
Embassy Lecture Series, Nani A. Palkhivala
No full textUNF faculty and staff chat with His Excellency, Nani A. Palkhivala, the Ambassador to the United States from India during an Embassy Series lecture program. l-r: Ambassador Nani A. Palkhivala, President Thomas G. Carpenter, and unidentified person.https://digitalcommons.unf.edu/unf_campus/1304/thumbnail.jp
Cina perduta : nelle fotografie di Leone Nani
No full textUn eccezionale reportage fotografico, realizzato da padre Leone Nani. E' quanto ci restituiscono queste immagini inedite, che riportano alla luce la memoria delle persone, dei luoghi, delle tradizioni e della cultura di un Impero scompars
Water sorption, drying and antioxidant properties of dried tomato products
No full textThis work is focused on some properties of various dried tomato products (tomato pulp, tomato halves and insoluble solids-rich tomato), useful to optimize drying processes. Adsorption and desorption isotherms at 20 C of these products were measured and modelled by the Guggenheim–Anderson–de Boer (GAB) equation. Insoluble solids-rich tomato was the least hygroscopic of all tomato products. Tomato products were air-dried in a pilot plant and the drying kinetics was modelled. The mass transfer equation
for drying of thin slabs, modified to include shrinkage of samples during drying, was successfully applied to experimental data.
Apparent water diffusivity values ranged from 2:3 10 9 to 9:1 10 9 m2/s as a function of the structure of tomato products. The lycopene and ascorbic content and the antioxidant activity of hydrophilic and lipophilic extracts were measured both on fresh and dried tomato products. Interesting properties of insoluble solids-rich tomato were evidenced: it had the highest lycopene content (ca. 12,000 mg/kg dm) and lipophilic antioxidant activity (ca. 400I50; lg dm) of all tomato products. 2002 Elsevier Science Ltd. All
rights reserved
KAJIAN MONUMEN PATUNG PERJUANGAN NANI WARTABONE MELALUI VISUALISAI DAN LATAR BELAKANGNYA
No full textThis study aims to find out how to study the Nani Wartabone statue in terms of visuals, to provide knowledge to the people of Gorontalo the meaning of the Nani Wartabone statue and to describe the background study and visualization of the Tilongolo Nani Wartabone monument statue. This research was written using descriptive qualitative research methods, the authors observed in detail the background and visualization of the Tilongolo Nani Wartabone monument, the results of this study allow the writer to know the historical background of the Tilongolo Nani Wartabone monument statue and the writer can also know the visual meaning of the Tilongolo Monument statue Nani Wartabone. The research results obtained by the author are quite good because there are two sources who are quite helpful in the process of writing this research, the conclusion or the final result of this study is that the writer and the public can find out the background of the Nani Wartabone statue made to commemorate his services in fighting the invaders and the meaning of the visualization of the statue of the struggle of Nani Wartabone, namely: (1) The pointing hand has a meaning, namely his birthplace, Bube Village, Suwawa District, Bone Bolango Regency, Gorontalo Province; (2) Bayonet in the left pocket is made by Suwawa which has the mystical power to protect Nani Wartabone in certain situations; (3) The pistol in the right pocket is used as a helper for the main weapon in the left hand of Nani Wartabone; (4) The weapon in the left hand of Nani Wartabone is a long rifle (hunting rifle) that can be used on the battlefield; (5) The Safari uniform used by Nani Wartabone has patriotic meaning and strength; and (6) Base of 2 and the curve of base of 3 represents the number 23 celebrated as patriotic day by the people of Gorontalo.Penelitian ini bertujuan untuk mengetahui bagaimana mempelajari patung Nani Wartabone dalam hal visual, untuk memberikan pengetahuan kepada masyarakat Gorontalo tentang makna patung Nani Wartabone dan untuk menggambarkan studi latar belakang dan visualisasi patung monumen Tilongolo Nani Wartabone. Penelitian ini ditulis dengan menggunakan metode penelitian deskriptif kualitatif, penulis mengamati secara detail latar belakang dan visualisasi dari monumen Tilongolo Nani Wartabone, hasil penelitian ini memungkinkan penulis untuk mengetahui latar belakang sejarah dari patung monumen Tilongolo Nani Wartabone dan penulis dapat juga tahu makna visual dari patung Monumen Tilongolo Nani Wartabone. Hasil penelitian yang diperoleh oleh penulis cukup baik karena ada dua sumber yang cukup membantu dalam proses penulisan penelitian ini, kesimpulan atau hasil akhir dari penelitian ini adalah bahwa penulis dan masyarakat dapat mengetahui latar belakang dari Patung Nani Wartabone dibuat untuk mengenang jasa-jasanya dalam memerangi penjajah dan makna visualisasi patung perjuangan Nani Wartabone, yaitu: (1) Tangan menunjuk memiliki makna, yaitu tempat kelahirannya, Desa Bube, Distrik Suwawa, Kabupaten Bone Bolango, Provinsi Gorontalo; (2) Bayonet di saku kiri dibuat oleh Suwawa yang memiliki kekuatan mistis untuk melindungi Nani Wartabone dalam situasi tertentu; (3) Pistol di saku kanan digunakan sebagai penolong untuk senjata utama di tangan kiri Nani Wartabone; (4) Senjata di tangan kiri Nani Wartabone adalah senapan panjang (senapan berburu) yang dapat digunakan di medan perang; (5) Seragam Safari yang digunakan oleh Nani Wartabone memiliki makna dan kekuatan patriotik; (6) Basis 2 dan kurva 3 mewakili angka 23 diperingati sebagai hari patriotik oleh masyarakat Gorontalo
NanR Regulates <i>nanI</i> Sialidase Expression by Clostridium perfringens F4969, a Human Enteropathogenic Strain
No full textABSTRACT
Clostridium perfringens
can produce up to three different sialidases, including NanI, its major exosialidase. The current study first showed that human intestinal strains of
C. perfringens
can grow by utilizing either glucose or sialic acids, such as
N
-acetylneuraminic acid (Neu5Ac), which are the end products of sialidase activity. For the human enteropathogenic strain F4969, it was then determined that culture supernatant sialidase activity and expression of exosialidase genes, particularly
nanI
, are influenced by the presence of Neu5Ac or glucose. Low Neu5Ac concentrations increased culture supernatant sialidase activity, largely by stimulating
nanI
transcription. In contrast, low glucose concentrations did not affect exosialidase activity or
nanI
transcription. However, either high Neu5Ac or high glucose concentrations repressed F4969 culture supernatant sialidase activity and
nanI
transcription levels. Furthermore, high glucose levels repressed F4969 culture sialidase activity and
nanI
expression even in the presence of low Neu5AC concentrations. To begin to evaluate the mechanistic basis for
nanI
expression, a
nanR
null mutant was used to demonstrate that NanR, a member of the RpiR family of regulatory proteins, decreases exosialidase activity and
nanI
transcription in the absence of sialic acid. The ability of
C. perfringens
to regulate its exosialidase activity, largely by controlling
nanI
expression, may affect intestinal pathogenesis by affecting the production of NanI, which may affect
C. perfringens
growth, adhesion, and toxin binding
in vivo
.
</jats:p
Native or Proteolytically Activated NanI Sialidase Enhances the Binding and Cytotoxic Activity of Clostridium perfringens Enterotoxin and Beta Toxin
No full textABSTRACT
Many
Clostridium perfringens
strains produce NanI as their major sialidase. Previous studies showed that NanI could potentiate
C. perfringens
epsilon toxin cytotoxicity by enhancing the binding of this toxin to host cells. The present study first determined that NanI exerts similar cytotoxicity-enhancing effects on
C. perfringens
enterotoxin and beta toxin, which are also important toxins for
C. perfringens
diseases (enteritis and enterotoxemia) originating in the gastrointestinal (GI) tract. Building upon previous work demonstrating that purified trypsin can activate NanI activity, this study next determined that purified chymotrypsin or mouse intestinal fluids can also activate NanI activity. Amino acid sequencing then showed that this effect involves the N-terminal processing of the NanI protein. Recombinant NanI (rNanI) species corresponding to major chymotrypsin- or small intestinal fluid-generated NanI fragments possessed more sialidase activity than did full-length rNanI, further supporting the proteolytic activation of NanI activity. rNanI species corresponding to proteolysis products also promoted the cytotoxic activity and binding of enterotoxin and beta toxin more strongly than did full-length rNanI. Since enterotoxin and beta toxin are produced in the intestines during human and animal disease, these findings suggest that intestinal proteases may enhance NanI activity, which in turn could further potentiate the activity of intestinally active toxins during disease. Coupling these new results with previous findings demonstrating that NanI is important for the adherence of
C. perfringens
to enterocyte-like cells, NanI sialidase is now emerging as a potential auxiliary virulence factor for
C. perfringens
enteritis and enterotoxemia.
</jats:p
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