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Wyświetlanie 1-25 z 4356
Tytuł:
Synthesis and characterization of InWO3 - TiO2 nanocomposite material and multi application
Autorzy:
Kamalakkannan, J.
Chandraboss, V. L.
Senthilvelan, S.
Powiązania:
https://bibliotekanauki.pl/articles/1193047.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Photocatalytic activity
Antimicrobial activity
Electrochemical activity
Opis:
InWO3 -TiO2 nanocomposite material was synthesised by co-precipitation method and sonication technique. The synthesized nanomaterial was characterized by FE-SEM with EDX, HR-TEM, XRD, FT-RAMAN, AFM and BET surface area measurements. The photocatalytic activity of InWO3-TiO2 nanocomposite material was studied from the photodegradation of malachite green (MAG) under UV-light irradiation. The photodegradation of MAG at various parameters are reported. The Photodegradation was found to follow the pseudo-first-order kinetics. The Hydroxyl radical formation in the mechanism was confirmed by fluorescence quenching technique. The antimicrobial activity of the prepared nanomaterials has also been investigated. Cyclic voltammeter (CV)) measurements analysis of the prepared nonamaterial was discussed in detail. It was proposed that the catalyst was found to be stable and reusable.
Źródło:
World Scientific News; 2016, 58; 97-121
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Antibacterial, antifungal, anti-oxidant, anti-inflammatory and anti-hypertensive activities of N-chloropyrazinamide
Autorzy:
Vaijayanthi, S. P.
Mathiyalagan, N.
Powiązania:
https://bibliotekanauki.pl/articles/412474.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
antibacterial activity
antifungal activity
antioxidant activity
anti-inflammatory
anti-hypertensive activity
N-chloropyrazinamide
Opis:
N-chloropyrazinamide was prepared by the chlorination of pyrazinamide using trichloroisocyanuric acid. The experimental results ascertained that the tested N-chloropyrazinamide showed good antimicrobial activities when compared to standard drug. It was found that N-chloropyrazinamide at different concentrations exhibited significant dose dependent anti-oxidant, anti-inflammatory and anti-hypertensive activity.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 7; 1-8
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Własności Przeciwarytmiczne I Hypotensyjne Nowych Analogów Teofiliny
Antiarrhythmic and Hypotensive Activity of New Analogues of Theophylline
Autorzy:
Sapa, Jacek
Zygmunt, Małgorzata
Krawczyk, Łukasz
Dudek, Magdalena
Bednarski, Marek
Nowiński, Leszek
Knutelska, Joanna
Chłoń-Rzepa, Grażyna
Pawłowski, Maciej
Powiązania:
https://bibliotekanauki.pl/articles/1034048.pdf
Data publikacji:
2013
Wydawca:
Zakład Opieki Zdrowotnej Ośrodek Umea Shinoda-Kuracejo
Tematy:
hypotensive activity
theophylline antiarrhythmic activity
Opis:
On the basis of our earlier studies in the group of 7,8-disubstituted derivatives of 1,3-dimetyl-3,7-dihydro-purine-2,6-dione, some new derivatives of theophylline were synthesized and tested for their electrocardiographic, antiarrhythmic and hypotensive activity as well as for α1-adrenoreceptor affinities. The performed preliminary tests indicated that new compounds did not significantly affect the normal ECG in vivo. As the result of present studies it may be concluded that all compounds did not possess hypotensive and arrhythmic activity. The results of the binding assays on α1-adrenergic receptors showed, that these derivatives display no affinity for α1-adrenergic receptors. Lack of antiarrhythmic and antihypertensive activity may result from the absence of affinity for the α1-adrenergic receptor. Performed chemical modifications lead to the loss of pharmacological activity previously observed among other derivatives in this group. Generally in comparison with the previously reported derivatives, replacing the phenoxyethylpiperazine by other moiety, changed the antiarrhythmic and hypotensive activity.
Źródło:
Medicina Internacia Revuo; 2013, 25, 100; 128-135
0465-5435
Pojawia się w:
Medicina Internacia Revuo
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
SYNTHESIS, REACTIONS, AND APPLICATIONS OF HYDANTOIN AND 2-THIOHYDANTOIN DERIVATIVES
Autorzy:
Abd Elhady, Hebe
El Desoky, Somia
Al-Shareef, Hossa F.
El-mekawy, Rasha
Powiązania:
https://bibliotekanauki.pl/articles/895248.pdf
Data publikacji:
2019-12-29
Wydawca:
Polskie Towarzystwo Farmaceutyczne
Tematy:
antimicrobial activity
antiviral activity
antitumor activity
Hydantoin
2-thiohydantoin
anxiolytic activity
Opis:
On account of the interesting pharmacological properties of hydantoin and 2-thiohydantoin derivatives, and other purposes such as textile printing, catalysts for polymerizations, their use in the production of resins and plastics, they have been the subject of chemical and biological studies. In this review article, we focused our interest on the most important methods for the synthesis of hydantoin and 2-thiohydantoin derivatives, different reactions and different application of them. We explored their antitumor, antimicrobial, antiviral, anxiolytic, antidiabetic, anticonvulsant activities, their utilities in treatment of vascular dysfunction, using them as an inhibitor of fatty acid amide hydrolase, using in hyperpigmentation applications, and utilities of them in the production of antimicrobial polyurethane coatings.
Źródło:
Acta Poloniae Pharmaceutica - Drug Research; 2019, 76, 6; 971-986
0001-6837
2353-5288
Pojawia się w:
Acta Poloniae Pharmaceutica - Drug Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Laetiporus sulphureus - chemical composition and medicinal value
Autorzy:
Sułkowska-Ziaja, K.
Muszyńska, B.
Gawalska, A.
Sałaciak, K.
Powiązania:
https://bibliotekanauki.pl/articles/11880210.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
Tematy:
mushroom cultivation
Laetiporus sulphureus
mushroom
mushroom extract
chemical composition
biological activity
antimicrobial activity
anticancer activity
cytotoxic activity
hypoglycemic activity
antiinflammatory activity
antioxidant activity
medicinal use
cultivation experiment
Opis:
The higher fungi are a rich source of chemical compounds with multi-directional therapeutic and pro-health effects. This review summarizes the results of the most important chemical and biological studies of the fruiting bodies and the mycelial cultures of Laetiporus sulphureus. Numerous studies have demonstrated the antimicrobial, anticancer, cytotoxic, hypoglycemic anti-inflammatory and antioxidant activity of the extracts. Currently, only a few wood-decay fungi have practical use in medicine. Therefore it seems important to continue research on the effectiveness and safety of extracts and compounds of natural origin, including fungi, whose potential is not still used.
Źródło:
Acta Scientiarum Polonorum. Hortorum Cultus; 2018, 17, 1; 87-96
1644-0692
Pojawia się w:
Acta Scientiarum Polonorum. Hortorum Cultus
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Anticancer properties of Viburnum
Autorzy:
Stępień, Agnieszka
Aebisher, David
Bartusik-Aebisher, Dorota
Powiązania:
https://bibliotekanauki.pl/articles/454949.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Rzeszowski. Wydawnictwo Uniwersytetu Rzeszowskiego
Tematy:
antitumor activity
Viburnum species
cytotoxic activity
Opis:
Aim. The aim of this paper is to provide an overview of the anticancer properties of different species of Viburnum. Materials and methods. Forty nine papers that discuss the medicinal history and current research of Viburnum species as phytotherapeutic agent were used for this discussion. Literature analysis. The results of scientific research conducted in vitro indicate that the compounds present in the extracts of Viburnum significantly affect the development of cancer cells such as leukemia, cervical cancer, breast, colon, lung, skin and stomach. This indicates that they may be used as a therapeutic agent to support oncological therapies.
Źródło:
European Journal of Clinical and Experimental Medicine; 2018, 1; 47-52
2544-2406
2544-1361
Pojawia się w:
European Journal of Clinical and Experimental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Synthesis and Biological Evaluation of Some New Hydrazone Derivatives Bearing Pyrimidine Ring as Analgesic and Anti-Inflammatory Agents
Autorzy:
Akdağ, Kadriye
Ünal, Gökhan
Tok, Fatih
Arıcıoğlu, Feyza
Temel, Halide E.
Kaymakcıoğlu-Koçyiğit, Bedia
Powiązania:
https://bibliotekanauki.pl/articles/895455.pdf
Data publikacji:
2018-10-31
Wydawca:
Polskie Towarzystwo Farmaceutyczne
Tematy:
anti-inflammatory activity
hydrazones
analgesic activity
Opis:
New hydrazone derivatives were synthesized from 4-chloro-2-(methylthio)pyrimidine-5-carbohydrazide. Synthesized compounds were characterized by IR, 1H-NMR, 13C-NMR, mass spectral data and elemental analysis. All compounds were investigated for analgesic and anti-inflammatory activity with hot plate test and biochemical assay, respectively. The results of anti-inflammatory activity showed that compound 2t had maximal Lipoxygenase (LOX) inhibition (66.30%) whereas inhibitions of 2a, 2c, 2i, 2k, 2l, 2m, 2p, 2s and 2u were observed between approximately 45-15 %. Our results also indicated that 15 compounds of 21 had analgesic effect in hot plate test. Analgesic effect of 2l, 2s, 2t began earlier than others while effect of 2i began at latest time. According to the activity results, compound 2t have significant analgesic and anti-inflammatory effects.
Źródło:
Acta Poloniae Pharmaceutica - Drug Research; 2018, 75, 5; 1147-1159
0001-6837
2353-5288
Pojawia się w:
Acta Poloniae Pharmaceutica - Drug Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The physical and occupational activity of patients with multiple sclerosis depending on the form of clinical disease
Autorzy:
Wyszyńska, E.
Sienkiewicz, D.
Kułak, W.
Powiązania:
https://bibliotekanauki.pl/articles/1918844.pdf
Data publikacji:
2019-08-26
Wydawca:
Uniwersytet Medyczny w Białymstoku
Tematy:
Multiple sclerosis
physical activity
occupational activity
Opis:
Introduction: The progressive nature of multiple sclerosis (MS) is associated with numerous neurological deficits, leading gradually to deteriorating health and to disability. Purpose: The aim of this study was a subjective assessment of the physical and occupational activity of individuals with MS depending on the clinical form of the disease. Materials and methods: We used the original to conduct the research, with 28 closed questions. The study was carried out from December 1, 2018, to January 31, 2019, following approval by the Bioethics Committee of the Medical University of Bialystok, among persons belonging to the Association for Helping Sick People for Multiple Sclerosis in Białystok and patients of the Neurology Department of the University Clinical Hospital in Bialystok. The study sample comprised 50 people diagnosed with MS, 41 women and 9 men. Results: The most frequently occurring clinical form of MS was relapsing-remitting (68%). In this form, most participants had good physical fitness (44%). In those with the progressive-recurrent form (50%), very poor physical fitness was subjectively noted. Of those with the relapsing-remitting type of MS, 50% were professionally active, while none of the participants with the progressive-recurrent form were. Both the physical and occupational activities of MS patients were frequently limited by fatigue, balance disturbances, and movement difficulties. Fatigue was the most common symptom for most individuals with MS (82%). Conclusion: MS has a significant impact on both the physical activity and occupational functioning of patients. In the clinical form of MS, relapsing-remitting, patients’ physical fitness was better.
Źródło:
Progress in Health Sciences; 2019, 1; 126-131
2083-1617
Pojawia się w:
Progress in Health Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Promotion of Physical Activity through Health Applications among Students of Selected Universities – a Preliminary Study
Autorzy:
Smith, Lynn
Volkwyn, Cheryl-Ann
Powiązania:
https://bibliotekanauki.pl/articles/2138483.pdf
Data publikacji:
2022
Wydawca:
Uniwersytet Szczeciński. Wydawnictwo Naukowe Uniwersytetu Szczecińskiego
Tematy:
health applications
physical activity
activity promotion
Opis:
Mobile health applications provide individuals with a mobile tool that can be tailored to meet various health needs and physical activity goals, which is particularly important during the Covid-19 pandemic and the associated social distancing protocols. The consequence that the pandemic has on the mental health of university students has prompted and increased the demand of physical activity interventions. The aim of this study was to determine the self-perceived effects of mobile health applications on physical activity participation among university students. Participants included students registered in one of the faculties at a university in Johannesburg. Data collection took place by means of an electronic questionnaire using Google Forms as a platform, completed by a sample of 192 students. The findings in the study reflected that majority of university students use health applications to increase physical activity levels or to track current activity levels. Participants also indicated that specific health applications were used to set goals, monitor progress and receive feedback. Aerobic activities proved to be the more popular type of physical activity in comparison to anaerobic activity. This study concluded that health applications can be used as a tool to facilitate and promote physical activity participation in the university student population.
Źródło:
Central European Journal of Sport Sciences and Medicine; 2022, 38; 5-12
2300-9705
2353-2807
Pojawia się w:
Central European Journal of Sport Sciences and Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Synthesis, antiprotozoal and antibacterial activity of nitro- and halogeno-substituted benzimidazole derivatives.
Autorzy:
Kazimierczuk, Zygmunt
Upcroft, Jacqueline
Upcroft, Peter
Górska, Agata
Starościak, Bohdan
Laudy, Agnieszka
Powiązania:
https://bibliotekanauki.pl/articles/1043825.pdf
Data publikacji:
2002
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
antibacterial activity
antiprotozoal activity
benzimidazoles
Opis:
Two series of benzimidazole derivatives were sythesised. The first one was based on 5,6-dinitrobenzimidazole, the second one comprises 2-thioalkyl- and thioaryl-substituted modified benzimidazoles. Antibacterial and antiprotozoal activity of the newly obtained compounds was studied. Some thioalkyl derivatives showed remarkable activity against nosocomial strains of Stenotrophomonas malthophilia, and an activity comparable to that of metronidazole against Gram-positive and Gram-negative bacteria. Of the tested compounds, 5,6-dichloro-2-(4-nitrobenzylthio)-benzimidazole showed the most distinct antiprotozoal activity.
Źródło:
Acta Biochimica Polonica; 2002, 49, 1; 185-195
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Physical activity of students from selected countries. Studies review.
Autorzy:
Bergier, M.
Powiązania:
https://bibliotekanauki.pl/articles/1917619.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Medyczny w Białymstoku
Tematy:
International Physical Activity Questionnaire
Physical activity
Students
Opis:
Purpose: The aim of the presented study was the comparison of physical activity of students from selected countries. The key of paper selection was to find various kinds of students groups from different countries and different cultures. The author compared results of students’ physical activity.Materials and methods: The paper compare the previously published papers aboutphysical activity of students from selected countries. All respondents were examined using as an instrument the International Physical Activity Questionnaire (IPAQ), a standardized questionnaire which enables the investigation and comparison of activity of various population groups.Results: Analysis of results of the study showed a great differentiation among students from individual countries. In each examined group of students, males proved to be the most active gender; however, among countries characterized by the highest physical activity, the results obtained by females were sometimes higher than those concerning males from countries characterized by lower activity. The study showed that the most active students are Americans and Czechs, whereas students from Croatia and South Africa show low physical activity.Conclusions: The conducted analyses demonstrated that in each country in the study the level of total activity is higher among males than females. The differences in the results of the summary MET value in males remained within the range 2,800 – 6,500 MET, while in females - within the range 1,700 – 5,900 MET. Male students were usually characterized by a high level of physical activity, whereas female students by a moderate level. Among Polish students, similar to their contemporaries from other countries, the level of total physical activity was higher among males than females. Polish students were most often characterized by a moderate level of physical activity.
Źródło:
Progress in Health Sciences; 2015, 5, 2; 169-173
2083-1617
Pojawia się w:
Progress in Health Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of moderate physical activity, including physical activity during menstruation, on the course of menstrual cycle among nullipara — an attempt to evaluate
Autorzy:
Szpak, Aleksandra
Powiązania:
https://bibliotekanauki.pl/articles/2098270.pdf
Data publikacji:
2021-09-23
Wydawca:
Państwowa Wyższa Szkoła Zawodowa w Tarnowie
Tematy:
physical activity
menstruation
period
moderate physical activity
Opis:
This study is specifically concerned with the effect of regular physical activity during menstruation on the course of menstrual cycle among nullipara. Based on the author’s questionnaire, the 152 women participating in the study were divided into three groups A, B and C – depending on their level of physical activity. The physical activity at a moderate level does not significantly affect the regularity of menstrual cycles. The cultivation of moderate physical activity during menstruation does not significantly affect the duration of bleeding. Moderate physical activity is irrelevant to the abundance of menstrual bleeding. Moderate physical activity has no significant effect on menstrual pain and its duration. Women who are physically active at a moderate level throughout their menstrual cycle are less likely to experience symptoms of premenstrual syndrome (PMS) than women who are only physically active outside of menstruation and are not physically active, which may indicate that moderate physical activity during menstruation prevents symptoms of premenstrual tension syndrome. Based on the results achieved, it is not possible to clearly determine the relevance of promoting moderate physical activity, with particular emphasis on that during menstruation, among women. The study needs to be continued with particular attention paid to physical activity during the day, the influence of environmental factors and stress on the examined women, and with attention paid to the intensity of pain accompanying bleeding. However, it can be assumed that there is no justification for limiting physical activity during the menstrual bleeding phase.
Źródło:
Health Promotion & Physical Activity; 2021, 16, 3; 1-6
2544-9117
Pojawia się w:
Health Promotion & Physical Activity
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cytotoxic and anticancer activity of Moringa oleifera
Autorzy:
Szlachetka, Kinga
Kut, Paulina
Stepien, Agnieszka
Powiązania:
https://bibliotekanauki.pl/articles/2038320.pdf
Data publikacji:
2020-09-30
Wydawca:
Uniwersytet Rzeszowski. Wydawnictwo Uniwersytetu Rzeszowskiego
Tematy:
anticancer activity
cytotoxic activity
Moringa oleifera
Opis:
Introduction. Given its very strong antioxidant properties, Moringa oleifera is particularly noteworthy among medicinal plants. The high contents antioxidants in the M. oleifera determining her antioxidant activities deciding for very important anticancer properties. Aim. The aim of the paper is to provide an overview of the cytotoxic and anticancer activity of Moringa oleifera. Material and methods. This review was performed based systematic analysis of literature. Analysis of the literature. The results of scientific research conducted in vitro indicate that extracts from Moringa oleifera significantly affect the development of human cancer cells such as myeloma, leukemia, cervix, breast, colon, lung, liver, neuroblastoma, pancreas, colorectal, epidermoid, oral, ovarian, muscular, prostate, skin. Conclusion. This indicates Moringa oleifera as that they may be used as a therapeutic agent to support oncological therapies.
Źródło:
European Journal of Clinical and Experimental Medicine; 2020, 3; 214-220
2544-2406
2544-1361
Pojawia się w:
European Journal of Clinical and Experimental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Physical Activity among Women and Men in Time Off from Work
Autorzy:
Gorbaniuk, Julia
Chuchra, Maria
Powiązania:
https://bibliotekanauki.pl/articles/2036279.pdf
Data publikacji:
2018
Wydawca:
Katolicki Uniwersytet Lubelski Jana Pawła II. Towarzystwo Naukowe KUL
Tematy:
physical activity
motor activity
women
men
Opis:
Introduction. Research on the literature shows different and sometimes contradictory data about the physical activities of women and men. Aim. The goal of the research study is to compare selected aspects of physical activity in women and men. Material and methods. 100 men and 100 women were selected and tested using the “pairing method” and examined in terms of four variables: place of residence, education, marital status and age. A specially prepared survey questionnaire was used. Results. Men and women differ in terms of certain aspects of physical activity (especially its types), while their motivations and limitations only slightly differ. Conclusions. Women significantly more often prefer walking as a physical activity, while men prefer running, swimming, and using the weight room and gym for team sports. On working days, women have significantly less free time than men. The only motivating factor for physical activity that differentiates both groups is the “beauty” motif that is more often present in women. The groups do not differ in terms of obstacles keeping them from undertaking physical activity, although women more often reported a lack of time.
Źródło:
Roczniki Teologiczne; 2018, 65, 10 English Online Version; 165-178
2353-7272
Pojawia się w:
Roczniki Teologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
BIOLOGICAL ACTIVITIES OF DIFFERENT EXTRACTS FROM ALLIUM URSINUM LEAVES
Autorzy:
Tomovic, Marina T.
Krivokapic, Milos Z.
Jakovljevic, Vladimir L.
Sovrlic, Miroslav M.
Bradic, Jovana V.
Petkovic, Anica M.
Radojevic, Ivana D.
Brankovic, Snezana R.
Comic, Ljiljana R.
Andjic, Marijana M.
Kocovic, Aleksandar G.
Powiązania:
https://bibliotekanauki.pl/articles/895571.pdf
Data publikacji:
2020-02-29
Wydawca:
Polskie Towarzystwo Farmaceutyczne
Tematy:
antioxidant activity
antimicrobial activity
Allium ursinum
Opis:
The aim of our study was to evaluate and compare antioxidant and antimicrobial activity of aqueous, methanol and chloroform extracts of leaves of Allium ursinum (A. ursinum). Total phenol (TPC) and flavonoid (TFC) content in extracts and antioxidant activity using DPPH (1,1- diphenyl-2-picrylhydrazyl) assay were determined spectrophotometrically. In vitro antimicrobial activity was tested by microdilution method. The highest TPC and TFC were observed for chloroform extract. The extracts showed different degrees of antimicrobial activity. The intensity of antimicrobial action varied depending on the group of microorganism and the type of extracts. Our results demonstrated rational basis for the traditional uses of A. ursinum in alleviation of oxidative stress and against various pathogenic microorganisms.
Źródło:
Acta Poloniae Pharmaceutica - Drug Research; 2020, 77, 1; 121-129
0001-6837
2353-5288
Pojawia się w:
Acta Poloniae Pharmaceutica - Drug Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Social activity of the individual as a leading characteristic of the future specialist
Aktywność społeczna jednostki jako wiodąca cecha przyszłego specjalisty
Autorzy:
Motorov, Sergey
Siamionava, Natallia
Powiązania:
https://bibliotekanauki.pl/articles/2081656.pdf
Data publikacji:
2021-09-22
Wydawca:
Państwowa Wyższa Szkoła Zawodowa w Raciborzu
Tematy:
activity
social activity
the levels of social activity
types of social activity
self-esteem
communication and organizational skills
Opis:
Social activity as a phenomenon attracts attention from representatives of various humanities. This article discusses and analyzes the main approaches to the concept of "activity", its components, as well as its role in the development and formation of a person. There are many approaches to defining the concept of social activity, but they all come down to the fact that social activity is a quality of a person that allows them to express themself. One of the problems in studying the social activity of young people is to determine the level of their activity.
Źródło:
Eunomia – Rozwój Zrównoważony – Sustainable Development; 2021, 1(100); 139-148
1897-2349
2657-5760
Pojawia się w:
Eunomia – Rozwój Zrównoważony – Sustainable Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
In Vitro Characterization of Fluted Pumpkin Leaf Protein Hydrolysates and Ultrafiltration of Peptide Fractions: Antioxidant and Enzyme-Inhibitory Properties
Autorzy:
Famuwagun, Akinsola A.
Alashi, Adeola M.
Gbadamosi, Saka O.
Taiwo, Kehinde A.
Oyedele, Joseph D.
Adebooye, Odunayo C.
Aluko, Rotimi E.
Powiązania:
https://bibliotekanauki.pl/articles/1363312.pdf
Data publikacji:
2020
Wydawca:
Instytut Rozrodu Zwierząt i Badań Żywności Polskiej Akademii Nauk w Olsztynie
Tematy:
fluted pumpkin leaf
protein hydrolysates
membrane ultrafiltration
antioxidant activity
antidiabetic activity
antihypertensive activity
Opis:
Hydrolysates were produced using Alcalase (AH), chymotrypsin (CH), pepsin (PH), and trypsin (TH), and also fluted pumpkin leaf protein isolate (FLI) as a substrate. AH had the lowest degree of hydrolysis (16.37%) but exhibited overall superior antioxidant and enzyme inhibitory properties. Therefore, it was fractionated by membrane ultrafiltration to give <1, 1-3, 3-5, 5-10, and >10 kDa peptide fractions. Gel permeation chromatography showed that the molecular weight of the FLI was 19.77 kDa and that of the hydrolysates was below 7.5 kDa. The hydrolysate peptides had a high content of hydrophobic amino acids but low levels of sulfur-containing amino acids, when compared to protein of FLI. Peptide sequence analysis showed that the hydrolysates consisted of dipeptides, tripeptides, and tetrapeptides with molecular weights below 500 Da. The hydrolysates were also stronger inhibitors of linoleic acid oxidation, α-amylase, α-glucosidase, and angiotensin converting enzyme (ACE) than FLI. Among the fractions, the <1 and 1-3 kDa were the most effective free radical scavengers and metal chelators in addition to their strong inhibitory activities against α-amylase, α-glucosidase, and ACE. We conclude that the AH and low molecular weight peptide fraction (<3 kDa) could find applications in formulating foods with various bioactive properties.
Źródło:
Polish Journal of Food and Nutrition Sciences; 2020, 70, 4; 429-443
1230-0322
2083-6007
Pojawia się w:
Polish Journal of Food and Nutrition Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pharmacological and insect antifeedant activities of some 3-(2,4-dichloro-5-fluorophenyl)-5-(substituted phenyl)-4,5-dihydro-1H-pyrazole-1-carbothioamides
Autorzy:
Thirunarayanan, G.
Powiązania:
https://bibliotekanauki.pl/articles/412405.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Halo aryl 4,5-dihydro-1H-pyrazole-1-carbothioamides
antibacterial activity
antifungal activity
antioxidant activity
insect antifeedant activity
Opis:
A series containing twelve titled compounds were synthesized by solvent-free method and their purities were examined by literature procedure. These compounds were subjected to study the pharmacological effects such as antibacterial, antifungal and antioxidant activities and the insect antifeedant activities using Bauer-Kirby disc diffusion method with their bacterial and fungal strains, DPPH radical scavenging and leaf disc bio-assay method with 4th instar larvae Achoea janata L.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 18; 47-56
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cytotoxic and anti-cancer activity of the Cistus species of herbal plants
Autorzy:
Stępień, Agnieszka Ewa
Powiązania:
https://bibliotekanauki.pl/articles/454781.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Rzeszowski. Wydawnictwo Uniwersytetu Rzeszowskiego
Tematy:
anti-tumor activity
Cistus species
cytotoxic activity
phytotherapeutics
Opis:
Aim. The aim of this paper is to provide an overview of the cytotoxic and anti-cancer properties of the major species of the genus Cistus. Materials and methods. Thirty four papers that discuss the medicinal history and current research of Cistus species as phytotherapeutics were used for this discussion. Literature analysis.The growing popularity of the Cistus species of herbs is mainly due to its anti-inflammatory, antimicrobial, antifungal and antioxidant properties. The results of in vitro studies indicate that the presence of pear extract significantly affects leukemia, leukemia, breast, colon, ovarian, pancreatic, and melanoma carcinomas. The significant growth inhibition of these cells, underlines its valuable anti-tumor properties and allows for the possibility of use as a therapeutic aid.
Źródło:
European Journal of Clinical and Experimental Medicine; 2017, 2; 165-168
2544-2406
2544-1361
Pojawia się w:
European Journal of Clinical and Experimental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Phytochemical Screening, Antioxidant and Antimicrobial Activities of Indoneesiella echioides (L.) Nees Leaves
Autorzy:
Elaiyaraja, A.
Chandramohan, G.
Mariajancyrani, J.
Jayabharathi, G.
Powiązania:
https://bibliotekanauki.pl/articles/1193940.pdf
Data publikacji:
2015
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Antimicrobial activity
Antioxidant activity
Indoneesiella echioides
Phytochemical screenings
Opis:
Indoneesiella echioides (or) Andrographis echioides (L) Nees is an important herb widely distributed in south India. This is commonly known as False Water willow. Indoneesiella echioides (L) Nees is a traditional Indian medicine; the whole plant is highly medicinal value such as the leaf juice of this plant is used to cure fever. The plant was extracted using n-hexane, chloroform, ethyl acetate, acetone, butanol, ethanol and methanol. The present study was to be determined the preliminary phytochemical screening, antioxidant and antimicrobial activities of Indoneesiella echioides (L) Nees leaves.
Źródło:
World Scientific News; 2015, 21; 51-63
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Scope of Regulation of Access to Activities in the Field of Organizing Tourist Events and Facilitating the Purchase of Related Tourist Services in Polish Law. Selected Issues
Autorzy:
Maszewski, Łukasz
Powiązania:
https://bibliotekanauki.pl/articles/915696.pdf
Data publikacji:
2020
Wydawca:
Katolicki Uniwersytet Lubelski Jana Pawła II
Tematy:
tourist entrepreneur
regulation of business activity
regulated activity
Opis:
The considerations carried out in this article focus on the scope of regulation of undertaking (access to) activities in the field of organizing tourist events and facilitating the purchase of related tourist services in the part relating to the features of the activity covered by it. Entities operating in this area are subject to specific legal obligations, including requirement for obtaining an entry in the register. Business in question is no longer a regulated activity but the provisions regarding this activity apply to it. This study also deals with the consequences of this seemingly insignificant change in the nomenclature. These issues are presented against the background of EU regulations and selected EU Member States.
Źródło:
Review of European and Comparative Law; 2020, 43, 4; 47-64
2545-384X
Pojawia się w:
Review of European and Comparative Law
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Social activity of academic youth. Report on the research of students from the Marie Curie-Sklodowska University in Lublin
Autorzy:
Cieślikowska, Magdalena
Smalej, Olga
Wrochna, Przemysław
Powiązania:
https://bibliotekanauki.pl/articles/1375489.pdf
Data publikacji:
2019
Wydawca:
Międzynarodowy Instytut Innowacji Nauka – Edukacja – Rozwój w Warszawie
Tematy:
social activity
students
social activity of youth
Opis:
In today's world, social activity is an extremely important element in the process of building a civil society and social capital. Moreover, apart from activities for the common good, this aspect is a key element of personal development, allowing even to gain highly-valued experience in the labor market. Considering the age, lifestyle and educational capital of university students. it can be assumed that this group may be characterized by a high level of activity in the social field. However, numerous analyz-es carried out by research institutions indicate a low level of this activity among the university students. The article is an attempt to verify the above thesis based on studies carried out among students of the Marie Curie-Skłodowska University in Lublin. In the assumption, the article points to: diagnosis of the tendency of students to undertake social activities; assessment of the values that determine pro-social and "pro-civil" attitudes, which constitute a barrier to the development of this field; and draws attention to the activi-ties that prevail, and which become marginalized.
Źródło:
International Journal of New Economics and Social Sciences; 2019, 9(1); 399-413
2450-2146
2451-1064
Pojawia się w:
International Journal of New Economics and Social Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
L'imposition de l'activité lucrative exercée par des étrangers en Pologne
Autorzy:
Weralski, Marian
Powiązania:
https://bibliotekanauki.pl/articles/43869436.pdf
Data publikacji:
1976-12-31
Wydawca:
Polska Akademia Nauk. Instytut Nauk Prawnych PAN
Tematy:
taxation
activity
gainful activity
earnings
foreigners
Polska
Źródło:
Droit Polonais Contemporain; 1976, 1 (29); 37-47
0070-7325
Pojawia się w:
Droit Polonais Contemporain
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pochodne 1,2,3-triazolu. Potencjalne leki?
Derivatives of 1,2,3-triazole. Potential drugs?
Autorzy:
Bankowska, E.
Wróblewski, A. E.
Powiązania:
https://bibliotekanauki.pl/articles/171634.pdf
Data publikacji:
2012
Wydawca:
Polskie Towarzystwo Chemiczne
Tematy:
pochodne 1,2,3-triazolu
aktywność przeciwbakteryjna
aktywność przeciwgrzybicza
aktywność przeciwgruźlicza
aktywność przeciwpsychotyczna
aktywność przeciwdrgawkowa
aktywność przeciwzapalna
aktywność hipoglikemiczna
aktywność przeciwnowotworowa
aktywność przeciwwirusowa
1,2,3-triazole derivatives
antibacterial activity
antifungal activity
antitubercular activity
antipsychotic activity
anticonvulsant activity
anti-inflammatory activity
hypoglycemic activity
anticancer activity
antiviral activity
Opis:
Recently, 1,2,3-triazoles have gained an increased attention in the field of drug discovery because several derivatives have already been marketed as medications (e.g. tazobactam, cefatrizine, rufinamide) [1, 2] and many of them appeared to be very active in diverse biological studies including plinambulin 69 currently in the last stage of the clinical trials [60]. In this review very recent investigations of antibacterial, antitubercular, antifungal, antipsychotic, antiepileptic, anti-inflammatory, hypoglycemic, anticancer and antiviral properties of 1,2,3-triazole derivatives are discussed. These studies allowed to select several compounds which were found to be more active in comparison to the already used drugs.
Źródło:
Wiadomości Chemiczne; 2012, 66, 11-12; 993-1022
0043-5104
2300-0295
Pojawia się w:
Wiadomości Chemiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-25 z 4356

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