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Tytuł:
ASSESSMENTS OF ANTIOXIDANT CONTENT AND THE ANTI-CARCINOGENIC EFFECT OF EXTRACTS OF SOLANUM ROSTRATUM DUNAL IN HUMAN CANCER CELLS
Autorzy:
Valadez Vega, María del Carmen
Izquierdo Vega, Jeannett Alejandra
Villagómez Ibarra, Jose Roberto
Sánchez Gutiérrez, Manuel
Madrigal Santillán, Eduardo Osiris
Morales Gonzalez, Jose Antonio
Bautista Ávila, Mirandeli
García Velasco, Laura
Powiązania:
https://bibliotekanauki.pl/articles/895384.pdf
Data publikacji:
2019-06-28
Wydawca:
Polskie Towarzystwo Farmaceutyczne
Tematy:
antioxidant
cytotoxic
Solanum rostratum
SiHa cell line
MDA cell line
Opis:
In Mexico, Solanum rostratum has been employed for the treatment of several diseases, including uterine cancer. The aim of this study was to evaluate the antioxidant and anti-carcinogenic activity of extracts of Solanum rostratum Dunal on MDA and SiHa cell lines. The methanolic, ethyl acetate, and hexane extracts of the aerial parts of Solanum rostratum were tested for phenols concentration, antioxidant activity, and anti-carcinogenic effect. The leaves extracts showed the highest content of phenols; however the flower-fruits extracts showed higher scavenging activity. On the other hand, ethyl acetate extracts exhibited the highest anti-carcinogenic effect, while methanolic extracts showed the least effect. The results of this work indicated that Solanum rostratum is a promising source of antioxidants, and the extracts exert a dose-dependent anti-carcinogenic effect on both cell lines.
Źródło:
Acta Poloniae Pharmaceutica - Drug Research; 2019, 76, 3; 493-502
0001-6837
2353-5288
Pojawia się w:
Acta Poloniae Pharmaceutica - Drug Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Características léxico-semánticas de las crónicas futbolísticas del Real Madrid en el diario Marca
Lexical and semantic characteristics of the football chronicles of Real Madrid in the newspaper Marca
Autorzy:
López González, Antonio María
Powiązania:
https://bibliotekanauki.pl/articles/1048242.pdf
Data publikacji:
2019-12-15
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
sports press
football language
lexicon
terminology
metaphor
Opis:
Within the sports language, the lexical level is composed of slang, specialized terminology and figurative lexicon. This work analyzes the lexical-semantic characteristics of the football language in a corpus of news chronicles of Real Madrid football matches, published on the web site marca.com. We focus on the fundamental lexicon of these chronicles, as well as on the core concepts of them, their designations and the means of meaning.
Źródło:
Studia Romanica Posnaniensia; 2019, 46, 4; 111-123
0137-2475
2084-4158
Pojawia się w:
Studia Romanica Posnaniensia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Database to Implement SMM in the Mining Sector in Mexico
Autorzy:
Torres, Rosa Elia Martínez
Acosta, Patricia Rivera
González, Juana María Huerta
Hernández, Hugo Saavedra
Celestino, Emiliano Osiel Tello
Cano, Juan Antonio Alvarado
Powiązania:
https://bibliotekanauki.pl/articles/21375351.pdf
Data publikacji:
2023-09-30
Wydawca:
Politechnika Częstochowska
Tematy:
mining sector
sustainability
technological innovation
Opis:
An applied research project is presented, expressed in the design and creation of a database for the company Minera Tierra Adentro (MTA), which belongs to the mining-metallurgical sector of Mexico. This database is designed to implement a Sustainable Management Model (SMM) in the operating units of the sector. The SMM provides an opportunity to observe, measure, and evaluate four Sustainable Development Goals (SDGs) and 16 legislative parameters. Divided into two modules, the database is based, in the first instance covering the territorial sector in Mexico, on an algorithm that represents a qualitative selection technique: pairwise comparison, which allows prioritizing more than 3000 active units, so that MTA offers the implementation of the model. As a second module, the database shows the record of quantifiable elements of the SDGs and legislative parameters collected, This allows, through calculation algorithms, to interpret and express the obtained information in different formats, since by means of an export of data to Excel, the unit staff can use, interpret, include the information in registers, assessments or official documents, such as the Environmental Impact Statement (EIM) requested by government agencies. Therefore, this document presents the interfaces created for the two modules that complement the database in which MTA will manage the implementation of the SMM.
Źródło:
Zeszyty Naukowe Politechniki Częstochowskiej. Zarządzanie; 2023, 1, 51; 136-145
2083-1560
Pojawia się w:
Zeszyty Naukowe Politechniki Częstochowskiej. Zarządzanie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Decentralized multi-agent formation control with pole-region placement via cone-complementarity linearization
Autorzy:
González, Antonio
Sala, Antonio
Armesto, Leopoldo
Powiązania:
https://bibliotekanauki.pl/articles/2172117.pdf
Data publikacji:
2022
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
multiagent autonomous system
formation control
linear matrix inequalities
cone complementarity linearization
system wieloagentowy
sterowanie formacją
liniowe nierówności macierzowe
Opis:
An output-feedback decentralised formation control strategy is pursued under pole-region constraints, assuming that the agents have access to relative position measurements with respect to a set of neighbors in a graph describing the sensing topology. No communication between the agents is assumed; however, a shared one-way communication channel with a pilot is needed for steering tasks. Each agent has a separate copy of the same controller. A virtual structure approach is presented for the formation steering as a whole; actual formation control is established via cone-complementarity linearization algorithms for the appropriate matrix inequalities. In contrast to other research where only stable consensus is pursued, the proposed method allows us to specify settling-time, damping and bandwidth limitations via pole regions. In addition, a full methodology for the decoupled handling of steering and formation control is provided. Simulation results in the example section illustrate the approach.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2022, 32, 3; 415--428
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Diálogos metaficcionales e intermediales (II) entre Agustín Fernández Mallo y Enrique Vila-Matas
Metafictional and Intermedial (II) Dialogues Between Agustín Fernández Mallo and Enrique Vila-Matas
Autorzy:
Gil González, Antonio J.
Powiązania:
https://bibliotekanauki.pl/articles/1051209.pdf
Data publikacji:
2013-01-01
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
Metafiction
intermediality
Darío Villanueva
Umberto Eco
Agustín Fernández Mallo
Enrique Vila-Matas
Nocilla Lab
Opis:
The essay, dedicated to Darío Villanueva, one of the most important Spanish specialists in literary theory and comparative literature of the 20th century, explores in the first part his contribution to the research on metaliterature and metafiction in the Spanish contemporary novel of the decades of 1980-1990. His works establish the relationships of these concepts with postmodernity theories and with umberto Eco’s thesis in Il nome della rosa, Postille and other relevant essays of the Italian author. In the second part of the text, the aim is to apply these concepts of literary self-consciousness and reflexivity in the novel as a story-telling device in the work of one of the most relevant Spanish young writers of the 21st Century, Agustín Fernandez Mallo’s Nocilla Lab. In this sense, we will focus the ending sequence, written (and designed) in form of a comic book or graphic novel, in which the young author puts himself beside the more recognized Enrique Vila-Matas, as an allegoric and fictional reflection of Pierre Bourdieu’s theories about the literary field.
Źródło:
Studia Romanica Posnaniensia; 2013, 40, 2; 39-49
0137-2475
2084-4158
Pojawia się w:
Studia Romanica Posnaniensia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Discurso egocéntrico frente a discurso cooperativo: Hombres, mujeres y verbos
Egocentric Discourse vs. Cooperative Discourse: Men, Women and Verbs
Autorzy:
López González, Antonio María
Powiązania:
https://bibliotekanauki.pl/articles/1053016.pdf
Data publikacji:
2004-12-01
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Opis:
D. Tannen (1990) defines women's cooperative discourse versus men's egocentric discourse. Relating to the use of verbs, both kinds of discourse are characterized by a different use of the persons of conjugation, a lexically and semantically different selection of verbs and also diverse syntactic use of verbs. In this article, I show how both kinds of discourses appear in the broadcasting media, focusing on the use of verbs.
Źródło:
Studia Romanica Posnaniensia; 2004, 31; 343-352
0137-2475
2084-4158
Pojawia się w:
Studia Romanica Posnaniensia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
El índice de inseguridad lingüística en la radio local almeriense
The linguistic confidence rate in the local Almeria radio
Autorzy:
López González, Antonio María
Powiązania:
https://bibliotekanauki.pl/articles/1052909.pdf
Data publikacji:
2005-10-01
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Opis:
The linguistic confidence rate provides us with information about the level of convergence or divergence between the sociolinguistic consciousness and the performance inside a speech community. This causes the stabilization of the linguistic varieties, when the coincidence occurs, or the linguistic change, in the case of discrepancy. For the analysis of the linguistic confidence, it is necessary to compare the attitude to the linguistic performance. This phenomenon is what this article aims at: To show and to analyze the correlation between the journalists' sociolinguistic attitude and the performance during the daily local broadcasting in Almeria (Spain).
Źródło:
Studia Romanica Posnaniensia; 2005, 32; 56-64
0137-2475
2084-4158
Pojawia się w:
Studia Romanica Posnaniensia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Español neutro — español latino: Hacia una norma hispanoamericana en los medios de comunicación
Neutral Spanish — Latin Spanish: Towards a Hispanic American Standard in the Media
Hiszpański neutralny — hiszpański latino: W kierunku hispanoamerykańskiego standardu w mediach
Autorzy:
López González, Antonio María
Powiązania:
https://bibliotekanauki.pl/articles/1877225.pdf
Data publikacji:
2019-10-24
Wydawca:
Katolicki Uniwersytet Lubelski Jana Pawła II. Towarzystwo Naukowe KUL
Tematy:
hiszpański neutralny
hiszpański latino
hiszpański w Ameryce
standardowa odmiana
norma językowa
neutral Spanish
Latin Spanish
American Spanish
standard variety
linguistic norm
Opis:
En el marco de las variedades del español de América se ha ido construyendo una variedad lingüística de uso común en los medios de comunicación, en las producciones audiovisuales con vocación internacional y en los doblajes realizados en Latinoamérica, conocida popularmente como español latino. Este artículo tiene como propósito analizar el concepto de español neutro — español latino, su papel como variedad estándar hispanoamericana y sus ámbitos de uso, junto con sus características lingüísticas.
Within the framework of the varieties of the Spanish language in America, there has been built a linguistic variety, popularly known as Latin Spanish, commonly used in the international media, audiovisual productions and in the dubs made in Latin America. This article aims to analyse the concept of neutral or Latin Spanish (español neutro and español latino), its role as a standard Spanish-American variety, its fields of use, as well as its linguistic characteristics.
W ramach odmian języka hiszpańskiego w Ameryce powstała pewna odmiana językowa powszechnie używana w mediach, w produkcjach audiowizualnych o międzynarodowym zasięgu i dubbingach w Ameryce Łacińskiej, popularnie zwana językiem hiszpańskim latino (español latino). Celem tego artykułu jest analiza koncepcji hiszpańskiego neutralnego (español neutro) oraz latynohiszpańskiego (español latino), jego roli jako standardowej odmiany języka hiszpańskiego i obszarów wykorzystania, a także jego charakterystyka językoznawcza.
Źródło:
Roczniki Humanistyczne; 2019, 67, 5; 7-27
0035-7707
Pojawia się w:
Roczniki Humanistyczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
La estructura interna del léxico disponible en español como lengua extranjera (ELE) de los preuniversitarios polacos
The internal structure of the available lexicons in Spanish as a Foreign Language of the pre-university Polish Students
Autorzy:
López González, Antonio María
Powiązania:
https://bibliotekanauki.pl/articles/1050961.pdf
Data publikacji:
2014-01-01
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
lexical availability
center of interest
word-association
semantic networks
collective prototypical continuums
Opis:
The technique for collecting available lexicon is based on surveys of open lists in which for two minutes informants recorded all the words that come to mind in relation to each center of interest, up to a total of 16 thematic stimuli. These stimuli were defined by Gougenheim et al. (1964) as the most universally representative semantic sectors. However, those centers of interest 'are disparate semantic categories: its ontogeny, their internal organization, nor its reach are the same' (Hernández Muñoz, 2006: 134). This article characterizes the centers of interest of the available lexicon tests and examines the taxonomies of the centers of interest proposed by different authors. Finally, it analyzes the organization of the lexical repertoires of Spanish as a Foreign Language, produced by a sample of 120 students from 3rd year in bilingual high school with Spanish in Warsaw (XXXIV Liceum), Kraków (VI Liceum) and Łódz (XXXII Liceum). Analysis gives attention to the type of partnerships that are prevalent in the bosom of the lexical sets, as well as describes in detail significant relationships that occur among the most frequent words.
Źródło:
Studia Romanica Posnaniensia; 2014, 41, 1; 45-61
0137-2475
2084-4158
Pojawia się w:
Studia Romanica Posnaniensia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modulation of Caecal Microbiome in Obese Mice Associated with Administration of Amaranth or Soybean Protein Isolates
Autorzy:
Olguín-Calderón, Diana
González-Escobar, Jorge L.
Ríos-Villa, Rosalva
Dibildox-Alvarado, Elena
De León-Rodríguez, Antonio
Barba de la Rosa, Ana P.
Powiązania:
https://bibliotekanauki.pl/articles/1369552.pdf
Data publikacji:
2019
Wydawca:
Instytut Rozrodu Zwierząt i Badań Żywności Polskiej Akademii Nauk w Olsztynie
Tematy:
amaranth
caecal microbiome
obesity
protein intake
short-chain fatty acids
Opis:
Obesity is defined as abnormal or excessive body fat accumulation that may have negative effects on health. Healthy diet induces a balance of gut microbiota, helping in turn to combat this metabolic disorder. Amaranth is well known because of its beneficial properties on health, but its effects on microbiota profile are still unknown. The aim of this study was to analyse the changes of gut microbiota in diet-induced obese mice due to amaranth protein consumption and to compare them with the changes due to soybean protein intake. Male C57BL/6 mice were fed for 8 weeks with regular (RD) or high-fat (HF) diet, without or with complementation with amaranth or soybean protein isolates. Morphological changes in caecum ultrathin sections were measured after hematoxylin/eosin staining. Microbiota was isolated from the caecum and 16S rRNA gene was sequenced. Caecal Short Chain Fatty Acids (SCFAs) were quantified by gas chromatography. The consumption of soybean protein induced the ectopic deposition of fat in the whole intestine while amaranth proteins increased caecal crypt depth and calceiform cells number sustaining its beneficial effect on health. The count of Ruminococcacea family bacteria was increased in mice fed with HF diet, but amaranth proteins intake reduced its abundance. In turn, Lachnospiraceae bacteria abundance decreased in mice fed the Control-HF and amaranth HF diets, but increased in mice fed the soybean diets. In mice fed the RD diets, amaranth induced the abundance of Prevotellaceae, an acetate-producing bacteria. Study results indicate that the modulation of caecal microbiota could be one of the mechanisms by which amaranth exerts its beneficial effects on health.
Źródło:
Polish Journal of Food and Nutrition Sciences; 2019, 69, 1; 35-44
1230-0322
2083-6007
Pojawia się w:
Polish Journal of Food and Nutrition Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Nuevo aporte al conocimiento sobre la redacción del control δ de las ánforas dressel 20 del Monte Testaccio en la modificación antoniniana: el refrendo en δ de la cifra escrita en la posición α
New Contribution to the Knowledge on the Composition of control δ of the Dressel 20 Amphoras of the Monte Testaccio in the Antoninian Modification: The Endorsement in δ of the Number Written in the Position α
Autorzy:
Pérez González, Jordi
Heredero Berzosa, Javier
Aguilera Martín, Antonio José
Powiązania:
https://bibliotekanauki.pl/articles/2230801.pdf
Data publikacji:
2022-12-16
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
amfora rzymska
rzymska ekonomia
epigrafika łacińska
tituli picti
delta
Dressel 20
Roman amphora
Roman economy
Latin epigraphy
ánfora romana
economía romana
epigrafía latina
Opis:
Within the complex system that once formed part of the epigraphic ensemble that accompanied these amphorae, we highlight the particular study of the painted marks known as tituli picti in the delta position of the olive oil amphorae from Baetica, Dressel 20. Here we address a singular fact, only detectable through the visualization of large data sets, indicating the existence of the endorsement in delta of the amount expressed in alpha throughout the years of the Antonine reform. If until now it was believed to be something fortuitous, or a scribeʼs error, now it could be considered, due to its structure and the cases exposed, a regulated script.
Źródło:
Collectanea Philologica; 2022, 25; 129-148
1733-0319
2353-0901
Pojawia się w:
Collectanea Philologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On incomparability of Banach spaces
Autorzy:
González, Manuel
Martinón, Antonio
Powiązania:
https://bibliotekanauki.pl/articles/1360827.pdf
Data publikacji:
1994
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Opis:
Several concepts of incomparability of Banach spaces have been considered in the literature, which allow one to describe some of the properties of the product of two Banach spaces as a juxtaposition of the corresponding properties of the factors. In this paper we study the relations between these concepts of incomparability, survey the main results and applications, and state some open problems.
Źródło:
Banach Center Publications; 1994, 30, 1; 161-174
0137-6934
Pojawia się w:
Banach Center Publications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Operational quantities characterizing semi-Fredholm operators
Autorzy:
González, Manuel
Martinón, Antonio
Powiązania:
https://bibliotekanauki.pl/articles/1289364.pdf
Data publikacji:
1995
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Tematy:
operational quantity
semi-Fredholm operator
Opis:
Several operational quantities have appeared in the literature characterizing upper semi-Fredholm operators. Here we show that these quantities can be divided into three classes, in such a way that two of them are equivalent if they belong to the same class, and are comparable and not equivalent if they belong to different classes. Moreover, we give a similar classification for operational quantities characterizing lower semi-Fredholm operators.
Źródło:
Studia Mathematica; 1995, 114, 1; 13-27
0039-3223
Pojawia się w:
Studia Mathematica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optical MIDO : Multiple Inputs-Digital Output : device
Autorzy:
Alaiz-Gudin, Antonio M.
González-Marcos, Ana P.
Powiązania:
https://bibliotekanauki.pl/articles/2063884.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Elektryków Polskich
Tematy:
distributed feedback laser
multi quantum well
optical bistability
semiconductor laser
Opis:
Advances in photonic technologies, with new processes and scopes of photonic integrated circuits, have generated a lot of interest as the field allows to obtain sensors with reduced size and cost and build systems with high interconnectivity and information density. In this work, answering the needs of photonic sensors that must be portable, more energy- efficient, and more accurate than their electrical counterparts, also with a view to the emerging field of neuromorphic photonics, a versatile device is presented. The proposed device makes use of the well-known advantages provided by optical bistability. By combining two distributed feedback-multi quantum well semiconductor laser structures, this new optical multiple inputs - digital output device offers various essential purposes (such as logic gates, wavelength detector and monitoring) with no need for specific manufacturing for each of them. Through a commercial computer-aided design tool, VPIphotonics™, the necessary characterization of proposed device is also described.
Źródło:
Opto-Electronics Review; 2021, 29, 4; 106--116
1230-3402
Pojawia się w:
Opto-Electronics Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optimized Extraction, Microencapsulation, and Stability of Anthocyanins from Ardisia compressa K. Fruit
Autorzy:
Antonio-Gomez, Maria V.
Salinas-Moreno, Yolanda
Hernández-Rosas, Francisco
Martínez-Bustos, Fernando
Andrade-González, Isaac
Herrera-Corredor, José A.
Powiązania:
https://bibliotekanauki.pl/articles/1417206.pdf
Data publikacji:
2021-08-20
Wydawca:
Instytut Rozrodu Zwierząt i Badań Żywności Polskiej Akademii Nauk w Olsztynie
Tematy:
Ardisia compressa K
tropical fruit
microcapsules
anthocyanins
spray drying
Opis:
The fruit of Ardisia compresssa K. is called chagalapoli and has a high anthocyanin content, with a profile dominated by malvidin derivatives. The aims of this study were: a) to determine optimal conditions (ethanol concentration, pH, and sonication time) for anthocyanin extraction from chagalapoli fruit (CF) using response surface methodology, b) to perform spray-drying microencapsulation of the anthocyanins using mixtures of polysaccharides (maltodextrin – M and Capsul® – C) as wall materials, and c) to evaluate the stability of microcapsules during storage. Of the variables examined to optimize anthocyanin extraction from CF, only ethanol concentration and pH were significant in the model. The optimal extraction conditions were: 63.5% (v/v) ethanol, pH of 2.0, and sonication time of 30 min, which led to an anthocyanin content of 1545 mg malvidin 3-O-galactoside equivalents/100 g of fresh fruit. The proportion of M/C as the wall materials for microcapsule (MC) preparation did not affect the encapsulation efficiency and anthocyanin retention, but high hygroscopicity was observed in the MC with a high proportion of M. The half-life of the MC ranged from 423 to 519 days, and no effect of wall materials was observed. The color stability of the MC was enhanced by increasing C proportion in wall materials. The high stability of microencapsulated anthocyanins of chagalapoli fruit makes it a suitable option as a food colorant.
Źródło:
Polish Journal of Food and Nutrition Sciences; 2021, 71, 3; 299-310
1230-0322
2083-6007
Pojawia się w:
Polish Journal of Food and Nutrition Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
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