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Wyszukujesz frazę "acetaminophen" wg kryterium: Temat


Wyświetlanie 1-7 z 7
Tytuł:
Comparative Test of Physicochemical Parameters and Microbiological Quality of Different Brands of Paracetamol Tablets Sold in Nigeria
Autorzy:
Alabere, Hafsat O.
Lucky, Efe I.
Ogundare, A. O.
Akinwunmi, Abeeb I.
Abimbola, Titilope Y.
Powiązania:
https://bibliotekanauki.pl/articles/1031840.pdf
Data publikacji:
2020
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Acetaminophen
British Pharmacopoeia (BP)
Good Manufacturing Practice
Paracetamol
Pharmaceutical quality
UV/Visible Spectrophotometer
United States Pharmacopoeia (USP)
Opis:
Paracetamol also known as acetaminophen is a widely used antipyretic and analgesic agent. The therapeutic efficacy of pharmaceutical products depends on both microbial and physicochemical qualities of the products, hence, the need to routinely assess the pharmaceutical quality of the available brands of the tablets to ensure they conform to standard specifications. This study was done to evaluate the microbial and physicochemical qualities of 10 brands of paracetamol tablets sold in Nigeria. The purchased drug samples were evaluated for their uniformity of weight, crushing strength, friability, disintegration time, total viable aerobic count and content of active ingredient. These tests were performed by standard methods and techniques following official pharmacopoeia protocols. The investigated 10 brands of paracetamol tablets passed the standards of the British Pharmacopoea (BP) regarding microbial specifications. The tablets were uniform in weight with crushing strength 5 KgF - 12 KgF except a brand with crushing strength ranging between 15 KgF – 18 KgF and another brand which has no crushing strength. The disintegration times were within 15 minutes except a brand with a disintegration time of 27 minutes 44 seconds. Friability values were less than 1%. The % content of paracetamol as an active ingredient in the tablets ranges from 90-110%. 8 out of 10 brands of the paracetamol tablets assessed met all compendia standards. However, products of good quality can be guaranteed through quality control and adherence to the provisions of good manufacturing practices. Also, a routine sentinel market surveillance of pharmaceutical products is encouraged.
Źródło:
World Scientific News; 2020, 141; 12-23
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of biochemical and standard effects of acetaminophen in Lemna minor vs Lemna gibba
Autorzy:
Antunes, S.
Martins, L.
Santos, J.
Correia, B.
Goncalves, F.
Pinto, G.
Nunes, B.
Powiązania:
https://bibliotekanauki.pl/articles/79880.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
acetaminophen
Lemna minor
Lemna gibba
antipyretic drug
analgesic drug
biochemical effect
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2013, 94, 2
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zatrucia paracetamolem leczone w Pomorskim Centrum Toksykologii w latach 2010–2015
Acetaminophen poisonings hospitalized at the Pomeranian Center of Toxicology in 2010−2015
Autorzy:
Garczewski, Bartłomiej
Wiśniewski, Marek
Waldman, Wojciech
Sein Anand, Jacek
Powiązania:
https://bibliotekanauki.pl/articles/2162641.pdf
Data publikacji:
2019-12-03
Wydawca:
Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:
epidemiologia
próba samobójcza
płeć
zatrucie
paracetamol
nastolatkowie
epidemiology
attempted suicide
sex
poisoning
acetaminophen
adolescents
Opis:
Wstęp Paracetamol to powszechnie dostępny lek przeciwbólowy i przeciwgorączkowy. Mimo że reklamuje się go jako bezpieczny, w krajach rozwiniętych jest przyczyną > 50% przypadków polekowego uszkodzenia wątroby i najczęstszą przyczyną ostrej niewydolności tego narządu. Do 2000 r. częstość zatruć paracetamolem była w Polsce relatywnie niska. W ostatnich latach zaobserwowano jednak wyraźną tendencję wzrostową. Celem pracy była analiza danych demograficznych pacjentów zatrutych paracetamolem leczonych w Pomorskim Centrum Toksykologii (PCT) w latach 2010–2015. Materiał i metody Pomorskie Centrum Toksykologii w Gdańsku jest Regionalnym Ośrodkiem Toksykologii Klinicznej obejmującym opieką > 3,5 mln osób zamieszkujących województwo pomorskie i warmińsko-mazurskie. Analizowano dane wszystkich pacjentów hospitalizowanych w PCT w latach 2010–2015. Wybrano przypadki, w których rozpoznanie zasadnicze lub współistniejące zostało zakodowane jako T39.1 według Międzynarodowej Klasyfikacji Chorób ICD-10. Do analizy statystycznej wykorzystano testy χ2 oraz McNemara. Wyniki W badanym okresie hospitalizowano 7754 zatrutych pacjentów (4163 mężczyzn i 3591 kobiet). Odnotowano 667 przypadków zatrucia paracetamolem (231 mężczyzn i 436 kobiet) – stanowiły 8,6% wszystkich hospitalizacji. Stwierdzono istotny statystycznie wzrost odsetka zatruć paracetamolem pomiędzy 2010 a 2015 r. (6,5% i 10,8%, p < 0,01). W grupie wiekowej < 18 r.ż. zatrucie paracetamolem rozpoznano u 217 pacjentów (37 mężczyzn i 180 kobiet). Odsetek zatruć paracetamolem w tej grupie (17,2%) okazał się istotnie wyższy niż wśród chorych ≥ 18 r.ż. (6,9%, p < 0,01). Proporcja mężczyzn do kobiet w grupie ≥ 18 r.ż. wynosiła 0,75, a w grupie < 18 r.ż. – 0,21 (p < 0,01). Wnioski W latach 2010–2015 obserwowano stały wzrost liczby osób leczonych w Pomorskim Centrum Toksykologii z powodu zatrucia paracetamolem. W grupie pacjentów < 18 r.ż. częstość zatruć była większa niż wśród chorych pełnoletnich. W obu grupach wiekowych odsetek zatruć paracetamolem był wyższy wśród kobiet. Med. Pr. 2019;70(6):733–738
Background Acetaminophen is a widely available analgesic and antipyretic medication. Although it is advertised as safe, it is responsible for more than 50% of drug-induced hepatotoxicity cases and the most common cause of acute liver failure in developed countries. Until 2000 the frequency of acetaminophen overdoses in Poland was relatively low, but a significant increase has been seen in recent years. The aim of the study was to perform a demographic analysis of the acetaminophen overdose cases hospitalized at the Pomeranian Center of Toxicology (PCT) in Gdańsk, Poland, in 2010–2015. Material and Methods The Pomeranian Center of Toxicology in Gdańsk is the Regional Clinical Toxicology Center for a population of more than 3.5 million people from the Pomeranian and the Warmian-Masurian Voivodeships. All the patients hospitalized at PCT in 2010–2015 were analyzed. Cases in which the primary or secondary diagnosis was encoded as T39.1, according to the International Classification of Diseases ICD-10, were selected. Statistical analysis was performed using the χ2 and McNemara tests. Results In the reference period, 7754 poisoned patients were hospitalized, including 4163 men and 3591 women. There were 667 cases of acetaminophen overdose (231 men and 436 women). There was a significant increase in the percentage of acetaminophen overdoses in 2010–2015 (6.5% and 10.8%, p < 0.01). In the group aged < 18 years, there were 217 cases of acetaminophen overdose (37 men and 180 women). The share or acetaminophen overdose cases in this group (17.2%) was significantly higher than among patients aged ≥ 18 years (6.9%, p < 0.01). The male to female ratio in the group aged ≥ 18 years was 0.75, and in the group aged < 18 years it was 0.21 (p < 0.01). Conclusions There was a significant increase in the number of acetaminophen overdose cases hospitalized at the Pomeranian Center of Toxicology in 2010–2015. The share of acetaminophen overdoses was significantly higher in the group aged < 18 years than in the adult group. In both age groups, acetaminophen overdose was more frequent in women. Med Pr. 2019;70(6):733–8
Źródło:
Medycyna Pracy; 2019, 70, 6; 733-738
0465-5893
2353-1339
Pojawia się w:
Medycyna Pracy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Acetylation of p-aminophenol by Preysslers anion [NaP5W30O110]14-, [NaP5 W29MoO110]14- with green condition at room temperature
Autorzy:
Gharib, A.
Scheeren, J.(H.)W.
Bamoharram, F.F.
Roshani, M.
Jahangir, M.
Powiązania:
https://bibliotekanauki.pl/articles/779176.pdf
Data publikacji:
2009
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
heteropolikwasy
p-aminofenol
acetaminofen
katalizator
heteropoly acid
Preyssler
p-aminophenol
acetaminophen
green catalyst
Opis:
Synthesis of acetaminophen at green condition and room temperature in the presence of the Preyssler type heteropolyacids has been investigated in order to contribute toward clean technology, which is the most important need of the society. All of the catalysts are recyclable and reusable.
Źródło:
Polish Journal of Chemical Technology; 2009, 11, 2; 31-35
1509-8117
1899-4741
Pojawia się w:
Polish Journal of Chemical Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of acetaminophen and trichloroethylene on liver cytochrome P450-dependent monooxygenase system.
Autorzy:
Plewka, Andrzej
Zielińska-Psuja, Barbara
Kowalówka-Zawieja, Joanna
Nowaczyk-Dura, Grażyna
Plewka, Danuta
Wiaderkiewicz, Anna
Kamiński, Marcin
Orłowski, Jerzy
Powiązania:
https://bibliotekanauki.pl/articles/1044264.pdf
Data publikacji:
2000
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
trichloroethylene
liver
rat
acetaminophen
cytochrome P450,glutathione
Opis:
The aim of the study was to evaluate the effect of acetaminophen (APAP) and/or trichloroethylene (TRI) on the liver cytochrome P450-dependent monooxygenase system, CYP2E1 and CYP1A2 (two important P450 isoforms), and liver glutathione (GSH) content in rats. Rats were given three different doses of APAP (250, 500 and 1000 mg/kg b...) and then the above-mentioned parameters were measured for 48 h. The lowest APAP dose produced small changes in the cytochrome P450 content of liver. At 500 mg/kg APAP increased the cytochrome P450 content to 230% of the control. The inductive effect was seen at 1000 mg/kg dose but at 24 h and later. NADPH-cytochrome P450 reductase activity was the highest after the lowest dose of APAP, while after the highest dose it was equal to the control value. TRI increased both the cytochrome P450 content and the NADPH-cytochrome P450 reductase activity. When TRI was combined with APAP, both these parameters increased in the first hours of observation, but they returned to the control values at 24 h. When APAP was given at 250 mg/kg, GSH levels decreased to 55% of the control at 8 h and returned to the control values at 24 h. The higher doses of APAP decreased GSH levels more than the lowest dose, but after 24 h GSH levels did not differ from those of the control. When TRI was given at 250 mg/kg, the GSH levels decreased to 68% of the control at 2 h and then they increased gradually and tended to exceed the control values at 48 h. The effect of TRI combined with APAP on the level of GSH was virtually the same as that of APAP alone given at 500 mg/kg.
Źródło:
Acta Biochimica Polonica; 2000, 47, 4; 1129-1136
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
THE POSSIBILITY OF USING X-RAY POWDER DIFFRACTION, INFRARED AND RAMAN SPECTROSCOPY IN THE STUDY OF THE IDENTIFICATION OF STRUCTURAL POLYMORPHS OF ACETAMINOPHEN
Autorzy:
Stasiłowicz, Anna
Mizera, Mikołaj
Tykarska, Ewa
Lewandowska, Kornelia
Miklaszewski, Andrzej
Cielecka-Piontek, Judyta
Powiązania:
https://bibliotekanauki.pl/articles/895486.pdf
Data publikacji:
2019-12-29
Wydawca:
Polskie Towarzystwo Farmaceutyczne
Tematy:
acetaminophen
PXRD
Raman
FT-IR
structural polymorphism
Opis:
Paracetamol (acetaminophen), a pain-killer with antipyretic properties, shows structural polymorphism. It occurs in three polymorphic forms: monoclinic, orthorhombic, and unstable form III. In the study, the commercially available samples of paracetamol (P1 and P2) were examined using X-ray powder diffraction, infrared, and Raman spectroscopy. Results demonstrated that all of the methods defined polymorphic forms of paracetamol in the samples. However, only Raman spectroscopy and PXRD methods detected impurities in the sample P1. These methods transpired to be more sensitive than the FT-IR method, which identified samples of paracetamol as one structural form (monoclinic polymorph). Moreover, the Raman spectroscopy identified impurities in the form P1 as changes in the crystalline form.
Źródło:
Acta Poloniae Pharmaceutica - Drug Research; 2019, 76, 6; 997-1004
0001-6837
2353-5288
Pojawia się w:
Acta Poloniae Pharmaceutica - Drug Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The influence of sample preparation and the presence of other active pharmaceutical ingredients (api) and excipients on the use of dsc method in quantification of paracetamol in commercially available tablets
Autorzy:
TALIK, Przemysław
TALIK, Piotr
HUBICKA, Urszula
Powiązania:
https://bibliotekanauki.pl/articles/1033708.pdf
Data publikacji:
2016
Wydawca:
Zakład Opieki Zdrowotnej Ośrodek Umea Shinoda-Kuracejo
Tematy:
"DSC"
"Differential Scanning Calorimetry"
"acetaminophen"
"ibuprofen"
"paracetamol"
Opis:
The direct Differential Scanning Calorimetry method of the determination of paracetamol in commercially available drugs was developed. The method was based on calibration curves obtained from melting enthalpies ΔH of binary mixtures of paracetamol and commonly used excipients such as starch or microcrystalline cellulose in increasing weight ratios. In order to demonstrate how the technological processes of formulating the tablets affects the quantitative studies, the micronized and nonmicronized mixtures were used. The idea of using micronized mixtures was to simulate these technological processes. The appropriate paracetamol contents of the selected pharmaceutical preparations were calculated and compared. The final results demonstrated, that the contents of paracetamol obtained from micronized samples were much closer to those declared by the manufacturer than the nonmicronized. Excluding two drugs, the influence of starch or cellulose on quantification in the micronized group was not observed whereas in the nonmicronized group it was distinctly visible.
Źródło:
Medicina Internacia Revuo; 2016, 27, 107; 100-106
0465-5435
Pojawia się w:
Medicina Internacia Revuo
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-7 z 7

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