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Tytuł:
Assessment of the effect of inflammatory changes and allergic reaction on TAS2R38 receptor expression in patients with chronic sinusitis (CRS)
Autorzy:
Piskadło-Zborowska, Karolina
Stachowiak, Małgorzata
Sarnowska, Elżbieta
Jowik, Rafał
Dżaman, Karolina
Powiązania:
https://bibliotekanauki.pl/articles/1397310.pdf
Data publikacji:
2020
Wydawca:
Index Copernicus International
Tematy:
bitter taste receptor
chronic rhinosinusitis
TAS2R38 gene
TAS2R38 receptor
Opis:
Background: Chronic rhinosinusitis (CRS) is one of the most common health complaints affecting 15% of the world’s population. Recent reports confirm the participation of sensory organs in the defense process against pathogenic microorganisms. The bitter taste receptor TAS2R38 is described to play a role in the upper airway defense system. Purpose: The purpose of this study was to assess the function of the bitter taste receptor in correlation with the severity of CRS, sensory organ disorders and allergic reaction. Material and method: The study contained 100 patients undergoing nasal surgery, divided into two groups: CRS with and without nasal polyps. The control group consisted of patients undergoing septoplasty after excluding rhinosinusitis. Sinus mucosa samples obtained during surgery were used to assess TAS2R38 expression using immunohistochemistry. The IgE level was indicated from blood samples collected from patients. The Sniffin’ Sticks Test was performed. Results: CRS patients had higher expression of TAS2R38 receptor compared to controls (p = 0.0175). A statistically significantly higher TAS2R38 H-score in nasal mucosa was found among patients with a higher inflammation process in CT scan (p = 0.001), higher IgE level (p = 0,04) and an abnormal result of the Sniffin’ Sticks Test. Conclusions: Patients with CRS had significant TAS2R38 receptor overexpression correlating with the severity of inflammatory changes in CT scans, abnormal perception of smells and higher IgE level. A cumulative impact was found between the inflammatory changes, smell disfunction and the severity of subjective symptoms of CRS (according to EPOS) and the intensity of cell staining (index H-score).
Źródło:
Polish Journal of Otolaryngology; 2020, 74, 5; 17-23
0030-6657
2300-8423
Pojawia się w:
Polish Journal of Otolaryngology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of current density on the surface of the left atrium during TAS
Autorzy:
Prochaczek, F.
Galecka, J.
Sikora, M.
Glasek, J.
Powiązania:
https://bibliotekanauki.pl/articles/333257.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:
transesophageal atrial stimulation
TAS
current density
atrial pacing threshold
selective electrodes
omnidirectional electrodes
przezprzełykowa stymulacja przedsionków
wartość progowa stymulacji przedsionkowej
elektrody selektywne
elektrody dookólne
Opis:
Conditions for the indirect transesophageal atrial stimulation (TAS), useful for cardiac diagnosis and treatment, are optimized both by way of clinical experiment and a computer modelling. The paper demonstrates the results of comparison of electric current density, obtained on the surface of the left atrium during computer modelling, with the results of our own experiments. An evaluation was made with the use of spiral CT scanning of the distance between the esophagus and the posterior wall of the left atrium. The average distance in the tested group of 27 subjects was 4.7 ±σ = 1.1 mm. During transesophageal stimulation, we have determined the average excitation threshold of the left atrium, obtaining the value 5.5 ±σ = 1.8 mA in the examined group of 27 patients. The calculated average current density on the surface of left atrium for the selective electrode with point poles used in the experiment amounted to 39.6 μA/mm2. Electric current densities obtained by other researchers by means of computer modelling for omnidirectional and selective ring electrodes turned out to be much lower after adjustment to similar conditions, which was the result of electrically active larger sizes surfaces of the poles of electrodes used in the modelling.
Źródło:
Journal of Medical Informatics & Technologies; 2013, 22; 243-249
1642-6037
Pojawia się w:
Journal of Medical Informatics & Technologies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Energy Imports and Growth Perspective: the Case of Turkey
Autorzy:
Yılmaz, Kubilay Çağrı
Taş, Taner
Yapraklı, Halil
Powiązania:
https://bibliotekanauki.pl/articles/594642.pdf
Data publikacji:
2015
Wydawca:
Wydawnictwo Adam Marszałek
Tematy:
Co-integration
Current account deficits
Energy Consumption
Economic Growth
Ziwot, Hatemi-J
Opis:
In recent years, the main macroeconomic problem of Turkey is current deficits. In order to realize sustainable growth, the balance of payment should be kept under control. This control system is directly depends on minimization of current deficits. One of the main reasons of Turkey’s current account deficits is energy imports. By applying the Johansen co-integrated analysis, this paper aims to identify the relationship between energy consumption and economic growth by using the data set between the years 1984–2012 with reference to VAR (Vector Auto Regression). Furthermore, unit root test was applied to the data which is the traditional unit root tests ADF (Augmented Dickey Fuller), PP (Phillip–Perron) and KPSS (Kwiatkowski–Phillips–Schmidt–Shin) and taking into account the structural break test was performed Zivot–Andrews. In addition to examining the long-term relationship between the two variables, taking into account the structural break in the cointegration test Engle–Granger and taking into account the structural break Hatemi-J cointegration test were applied. According to the results of the analysis, we reached that there is a relationship between energy consumption and economic growth.
Źródło:
Polish Political Science Yearbook; 2015, 44; 283-299
0208-7375
Pojawia się w:
Polish Political Science Yearbook
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Od mikroelektroniki do mikrosystemów, czyli o roli i znaczeniu krzemu
Autorzy:
Gniazdowski, Z.
Powiązania:
https://bibliotekanauki.pl/articles/91465.pdf
Data publikacji:
2006
Wydawca:
Warszawska Wyższa Szkoła Informatyki
Tematy:
mikroelektronika
mikrosystemy
technologia krzemowa
microsystem technology
MST
Technology of Micro Total Analysis System
μTAS
microTAS
silicon technology
Opis:
W artykule zwrócono uwagę na znaczenie krzemu i technologii krzemowej zarówno w rozwoju mikroelektroniki – a co za tym idzie – także informatyki, a także w rozwoju mikrosystemów (ang.: MEMS – Micro- Electromechanical System), gdzie łączy się elektronikę z mikromechaniką, oraz w rozwoju zminiaturyzowanych systemów do całkowitych analiz chemicznych (ang.: μTas – Micro Total Analysis System).
In this paper, the role of silicon for development of computer technology is emphasized. It is noticed that Micro-System Technology (MST) as well as Technology of Micro Total Analysis System (μTAS) are also derived from silicon technology. Hence, the importance of silicon in many modern human activities is concluded.
Źródło:
Zeszyty Naukowe Warszawskiej Wyższej Szkoły Informatyki; 2006, 1, 1; 125-137
1896-396X
2082-8349
Pojawia się w:
Zeszyty Naukowe Warszawskiej Wyższej Szkoły Informatyki
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Effect of Perlite Addition on Erosive Wear Behavior of Alumina Ceramics
Autorzy:
Tas, S.
Ercenk, E.
Yilmaz, S.
Powiązania:
https://bibliotekanauki.pl/articles/1182871.pdf
Data publikacji:
2014-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
81.05.Je
81.05.Mh
46.55.+d
62.20.F-
81.20.Ev
Opis:
In this study, the effects of perlite addition on mechanical properties and wear resistance of alumina ceramics were investigated. Alumina powders including perlite 5%, 10%, 15%, 20% and perlite free were prepared. These powders were shaped as rectangular by using uniaxial pressing system under the load of 100 MPa. The samples were sintered at 1400°C-1550C for 2 h and were subjected to some mechanical tests such as hardness and fracture toughness. X-ray diffraction analysis was employed to determine the crystalline phases. Bulk densities of the samples were measured. In addition, erosive wear test was performed to investigate the erosive wear resistance of the samples. The wear test results were presented depending on different sliding speed and sintering temperature. These results showed that perlite addition has a positive effect on erosive wear resistance of the alumina ceramics, generally.
Źródło:
Acta Physica Polonica A; 2014, 125, 2; 632-634
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Transformation in Islamic Thought: The House of Wisdom (Bayt al-Hikmah) in the Context of Occidentalism versus Orientalism
Autorzy:
Tas, Ismail
Powiązania:
https://bibliotekanauki.pl/articles/423243.pdf
Data publikacji:
2011
Wydawca:
Uniwersytet w Białymstoku. Wydawnictwo Uniwersytetu w Białymstoku
Tematy:
Al-Ma'mun
occidentalism
orientalism
philosophy
theology
okcydentalizm
orientalizm
filozofia
teologia
Opis:
The House of Wisdom (Bayt al-Hikmah) was built first as a library where the books on the sciences of the Ancients were kept. Under the sponsorship of the Caliph Al-Ma'mun (813-833), it developed into a scientific institute where the books on Ancient Greek philosophy were translated into Arabic. The Caliph acquired many Greek manuscripts and generously supported the translation activities in the House. By the end of the century, Arabic translation of the major works of the Greek philosophy and science had been completed. Thus, the Caliph and his House paved the way for the rise and flourish of Islamic philosophy and science.
Źródło:
IDEA. Studia nad strukturą i rozwojem pojęć filozoficznych; 2011, 23; 245-270
0860-4487
Pojawia się w:
IDEA. Studia nad strukturą i rozwojem pojęć filozoficznych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Berta, Árpád, András Róna-Tas, with the assistance of László Károly, West Old Turkic. Turkic loanwords in Hungarian. Part I. Introduction, Lexicon »A–K«, Part II. Lexicon »L–Z«, Conclusions, Apparatus, Wiesbaden 2011
Autorzy:
Jankowski, Henryk
Powiązania:
https://bibliotekanauki.pl/articles/707526.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Źródło:
Rocznik Orientalistyczny; 2013, 1
0080-3545
Pojawia się w:
Rocznik Orientalistyczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Structure Refinement of the Semiconducting Compound $Cu_3TaS_4$ from X-Ray Powder Diffraction Data
Autorzy:
Delgado, G.
Contreras, J.
Mora, A.
Durán, S.
Muñoz, M.
Grima-Gallardo, P.
Powiązania:
https://bibliotekanauki.pl/articles/1493612.pdf
Data publikacji:
2011-09
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
61.50.Nw
61.66.Fn
Opis:
The ternary compound $Cu_{3}TaS_{4}$ has been investigated by means of X-ray powder diffraction and its structure has been refined by the Rietveld method. This compound is isostructural with the sulvanite mineral $Cu_{3}VS_{4}$, and crystallizes in the cubic $P \bar{4} 3m$ space group (No. 215), Z = 1, with unit cell parameters a = 5.5145(1) Å and V = 167.70(1) $Å^{3}$. The refinement of 14 instrumental and structural parameters converged to $R_{p}$ = 4.4%, $R_{wp}$ = 6.8%, $R_{exp}$ = 5.5% and S = 1.2 for 4501 step intensities and 33 independent reflections.
Źródło:
Acta Physica Polonica A; 2011, 120, 3; 468-472
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Electronic Phase Transition in Layered Materials 1T-TaS$\text{}_{x}$Se$\text{}_{2-x}$ Probed by Cryogenic STM/STS
Autorzy:
Hasegawa, T.
Shiino, O.
Yamaguchi, W.
Endo, T.
Sugawara, H.
Kitazawa, K.
Powiązania:
https://bibliotekanauki.pl/articles/1968713.pdf
Data publikacji:
1998-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
71.30.+h
71.20.-b
Opis:
A metal-insulator transition, Mott transition, in layered materials 1T-TaS$\text{}_{x}$Se$\text{}_{2-x}$ was investigated by cryogenic scanning tunneling microscopy/ spectroscopy. At 77 K, tunneling spectra in the insulating phase showed a conduction band with almost half filling, which becomes narrower as x decreases. Around the transition point x≈1.4 at 77 K, we observed a sign of gap opening without an overshooting peak at zero bias, supporting the Mott localization picture in which a carrier number vanishes at the transition point. From the site-specified scanning tunneling spectroscopy measurements, furthermore, electrons were found to localize at the charge density wave crest positions. In 1T-TaS$\text{}_{2}$, we have also found that both metallic and insulating phases coexist in a nanometer scale just above the transition temperature, 180 K. >From the minimum size of the insulating region, the coherence length of Mott insulating state was evaluated to be≈5 nm.
Źródło:
Acta Physica Polonica A; 1998, 93, 2; 297-305
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Effect of Multiple Cation (Al, Si, Ti, Co) Doping on Electrochemical Performance οf $LiMn_2O_4$ Cathode Active Material
Autorzy:
Kılıç Dokan, F.
Şahan, H.
Veziroğlu, S.
Akkuş Taş, N.
Aydın, A.
Patat, Ş.
Powiązania:
https://bibliotekanauki.pl/articles/1399894.pdf
Data publikacji:
2013-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
88.80.ff
Opis:
In order to improve the cycling performance of $LiMn_2O_4$, the spinel phases base and multiple cation doped $LiMn_{1.95}Al_{0.0125}Si_{0.0125}Ti_{0.0125}Co_{0.0125}O_4$, $LiMn_{1.9}Al_{0.025}Si_{0.025}Ti_{0.025}Co_{0.025}O_4$ spinels were synthesized by the glycine-nitrate combustion process. The structures of the products were investigated by X-ray diffraction, scanning electron microscopy and electrochemical tests.
Źródło:
Acta Physica Polonica A; 2013, 123, 2; 365-367
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
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