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    Tytuł:
    Reference values of selected auditory temporal processing tests for Polish school children
    Autorzy:
    Szkiełkowska, Agata
    Włodarczyk, Elżbieta
    Piłka, Adam
    Powiązania:
    https://bibliotekanauki.pl/articles/1398276.pdf
    Data publikacji:
    2018
    Wydawca:
    Index Copernicus International
    Tematy:
    auditory temporal processing
    school-age children
    reference values
    Opis:
    Introduction: Distorted processing of auditory information has a negative impact on the child’s cognitive development. There are only a few studies conducted by Polish researchers determining the normative values of psychoacoustic tests in auditory processing disorders. They are inconsistent due to different methodologies and different research protocols. Objective: The aim of the work was to determine the reference values of selected psychoacoustic tests for the population of Polish children between 7 and 12 years of age. Material and method: The study group consisted of 213 healthy children from 7 to 12 years of age. The condition for including the child in the study was an intellectual norm, proper sound sensitivity, proper development of children’s voice and speech. All children underwent two auditory temporal processing tests. The diagnostic procedure used a standardized Frequency Pattern Test (FPT) and Duration Pattern Test (DPT). The tests were carried out in accordance with the authors’ recommendations, using the original versions available on the CD for 60 dB SL intensity, simultaneously for the right and left ear. Results: The reference values for FPT and DPT tests were determined at various age ranges in children aged 7–12. It has been shown that auditory functions change with age and development of the child. Reference values including age, language, cultural and educational differences were prepared. Conclusions: The development of reference values for individual tests for the Polish children population is a key element in the reliable diagnosis of auditory processing.
    Źródło:
    Polish Journal of Otolaryngology; 2018, 72, 6; 31-36
    0030-6657
    2300-8423
    Pojawia się w:
    Polish Journal of Otolaryngology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effect of mono- and divalent cations on Tetrahymena thermophila telomeric repeat fragment. A photon correlation spectroscopy study.
    Autorzy:
    Włodarczyk, Agnieszka
    Patkowski, Adam
    Grzybowski, Przemysław
    Dobek, Andrzej
    Powiązania:
    https://bibliotekanauki.pl/articles/1041510.pdf
    Data publikacji:
    2004
    Wydawca:
    Polskie Towarzystwo Biochemiczne
    Tematy:
    chromosome ends
    G-quadruplex
    telomeric DNA
    photon correlation spectroscopy
    structure transition
    Opis:
    The structure of the Tetrahymena thermophila telomeric sequence d(TGGGGT)4 was studied by photon correlation spectroscopy (PCS) in aqueous solution in the presence of NaCl, KCl and SrCl2. The sample studied was polydisperse in all conditions studied. Translational diffusion coefficients DT describing the diffusion modes observed were determined. On the basis of a comparison between the experimental DT values with those calculated assuming the bead model, two forms were identified as telomeric quadruplex structures: monomer and tetramer. In the presence of SrCl2 formation of aggregates was observed, with a size that reached several micrometres. The relative weighted concentrations of the structures observed for different concentrations of a salt and DNA were determined. The results obtained in the presence of monovalent ions were qualitatively similar and could be presented in a coherent plot in which the concentration of salt was expressed by the number of ions per DNA molecule. A large number of ions per DNA molecule favoured tetramer formation while a small number favoured the monomer form. A structural phase transition from the monomer to the tetramer induced by a change in the number of ions per DNA molecule was observed. The main difference between the results for Na+ and K+ was a greater effectiveness of the K+ ions in formation of tetramers. The effect of Sr2+ ions on the structures formed was different than that of the monovalent ions. The results obtained in the presence of Sr2+ could not be described as a function of the number of ions per DNA molecule.
    Źródło:
    Acta Biochimica Polonica; 2004, 51, 4; 971-981
    0001-527X
    Pojawia się w:
    Acta Biochimica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Long-term Traffic Forecasting in Optical Networks Using Machine Learning
    Autorzy:
    Walkowiak, Krzysztof
    Szostak, Daniel
    Włodarczyk, Adam
    Kasprzak, Andrzej
    Powiązania:
    https://bibliotekanauki.pl/articles/27311948.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    traffic forecasting
    machine learning
    classification
    Regression
    Opis:
    Knowledge about future traffic in backbone optical networks may greatly improve a range of tasks that Communications Service Providers (CSPs) have to face. This work proposes a procedure for long-term traffic forecasting in optical networks. We formulate a long-terT traffic forecasting problem as an ordinal classification task. Due to the optical networks’ (and other network technologies’) characteristics, traffic forecasting has been realized by predicting future traffic levels rather than the exact traffic volume. We examine different machine learning (ML) algorithms and compare them with time series algorithms methods. To evaluate the developed ML models, we use a quality metric, which considers the network resource usage. Datasets used during research are based on real traffic patterns presented by Internet Exchange Point in Seattle. Our study shows that ML algorithms employed for long-term traffic forecasting problem obtain high values of quality metrics. Additionally, the final choice of the ML algorithm for the forecasting task should depend on CSPs expectations.
    Źródło:
    International Journal of Electronics and Telecommunications; 2023, 69, 4; 751--762
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of cortical auditory evoked potentials in children with specific language impairment
    Autorzy:
    Włodarczyk, Elżbieta
    Szkiełkowska, Agata
    Pilka, Adam
    Skarżyński, Henryk
    Powiązania:
    https://bibliotekanauki.pl/articles/1398186.pdf
    Data publikacji:
    2018
    Wydawca:
    Index Copernicus International
    Tematy:
    specific language impairment (SLI)
    auditory cortical potential
    P300 potential
    Opis:
    The proper course of speech development heavily influences the cognitive and personal development of children. It is a condition for achieving preschool and school successes – it facilitates socializing and expressing feelings and needs. Impairment of language and its development in children represents a major diagnostic and therapeutic challenge for physicians and therapists. Early diagnosis of coexisting deficits and starting the therapy influence the therapeutic success. One of the basic diagnostic tests for children suffering from specific language impairment (SLI) is audiometry, thus far referred to as a hearing test. Auditory processing is just as important as a proper hearing threshold. Therefore, diagnosis of central auditory disorder may be a valuable supplementation of diagnosis of language impairment. Early diagnosis and implementation of appropriate treatment may contribute to an effective language therapy.
    Źródło:
    Polish Journal of Otolaryngology; 2018, 72, 1; 16-22
    0030-6657
    2300-8423
    Pojawia się w:
    Polish Journal of Otolaryngology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    ANALYSIS OF POLYPHENOLIC COMPOSITION AND STABILITY OF MAGISTRAL PREPARATION BASED ON SALVIAE OFFICINALIS FOLIUM
    Autorzy:
    Kowalczyk, Adam
    Tuberoso, Carlo I.
    Włodarczyk, Maciej
    Fecka, Izabela
    Powiązania:
    https://bibliotekanauki.pl/articles/895374.pdf
    Data publikacji:
    2020-02-29
    Wydawca:
    Polskie Towarzystwo Farmaceutyczne
    Tematy:
    flavonoids
    phenolic acids
    complexes
    Salvia officinalis
    magistral preparation
    Opis:
    A magistral preparation based on the sage leaf decoction or infusion is one of the most popular herbal prescription prepared in pharmacies in Lower Silesia (Poland) for gargling in the pharyngitis or mouth infections. Other components of this preparation are boric acid, aluminum(III) acetotartrate or Burow's solution, and glycerol. The study aimed to investigate the polyphenolic composition and relations between herbal and chemical ingredients that are present in this mixture in comparison with the traditional aqueous galenic forms – infusion and decoction. The analysis was performed using HPLC-DAD and ESI-MS methods. The main polyphenolic ingredients of sage leaf were rosmarinic acid and luteolin 7-O-β-glucuronide. The content of analyzed polyphenols was higher in the decoction than in the infusion. The pharmacological activity of the examined mixture results from the presence of boric acid, aluminum(III) salts and polyphenolic components of sage leaf. The study showed that in the presence of excess salts of aluminum(III) and boric acid, sage polyphenols are partially soluble in an aqueous medium (mainly phenolic acids) and complexed as precipitated sediment (especially flavonoids). The aqueous solutions of this preparation are cloudy, which suggests limited solubility of the formed complexes. Therefore, the therapeutic activity of the sage leaf magistral preparation should be associated with the presence of water soluble caffeic acid esters like rosmarinic acid. The influence of luteolin glycosides coordination complexes is not evident. The obtained results also confirm the stability of the examined formula in the conditions of cold storage (4-6 °C) within 7 days from its production.
    Źródło:
    Acta Poloniae Pharmaceutica - Drug Research; 2020, 77, 1; 131-143
    0001-6837
    2353-5288
    Pojawia się w:
    Acta Poloniae Pharmaceutica - Drug Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Preferences of patients with inflammatory bowel disease for receiving specialized health services using technology: the role of Internet and other sources of medical information
    Autorzy:
    Włodarczyk, Marcin
    Włodarczyk, Jakub
    Zalewska, Karolina
    Olczyk, Mariusz
    Maryńczak, Kasper
    Gajewski, Przemysław
    Małek, Zbigniew
    Cetnar-Sokołowska, Zuzanna
    Sobolewska-Włodarczyk, Aleksandra
    Dziki, Adam
    Dziki, Łukasz
    Powiązania:
    https://bibliotekanauki.pl/articles/1392246.pdf
    Data publikacji:
    2019
    Wydawca:
    Index Copernicus International
    Tematy:
    Patients preferences
    inflammatory bowel disease
    Internet
    medical informations
    Opis:
    Introduction: It is notable that patients with inflammatory bowel disease (IBD) have insufficient knowledge about their disease and are willing to be more involved in their treatment. Nowadays medical information is easily available and health-related topics state the third most frequent reason for using the Internet. Therefore, patient’s health-related self-awareness and willingness to take part in medical decisions have improved. The possibility of choice of specialized health services may have a positive effect on patient’s satisfaction. The aim of the study was to characterize the extent of Internet use for health information among a representative sample of IBD patients and to examine the effects that Internet and other sources of information about specialized health services have on patients’ choices of a doctor and hospital department. Materials and methods: In total, 135 IBD patients admitted to the Department of General and Colorectal Surgery at Medical University of Lodz were asked to complete an anonymous questionnaire. Only 123 fully completed questionnaires were included for analysis. The study group involved 68 women and 55 men. Results: A total of 85.4% IBD patients used Internet in order to gather medical information about their disease. Age of those patients was significantly lower than of those patients who did not use Internet. The most reliable source of information about physicians was Internet. Opinions and recommendations gathered from the Internet have a notable influence on patients’ preference of hospital department and attending physician. Conclusions: A majority of patients used Internet as a source of medical information related to IBD. Opinions obtained from the Internet seem to be the most reliable regarding attending physicians treating IBD patients.
    Źródło:
    Polish Journal of Surgery; 2019, 91, 2; 1-6
    0032-373X
    2299-2847
    Pojawia się w:
    Polish Journal of Surgery
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Patients’ awareness of the prevention and treatment of colorectal cancer
    Autorzy:
    Dziki, Łukasz
    Puła, Anna
    Stawiski, Konrad
    Mudza, Barbara
    Włodarczyk, Marcin
    Dziki, Adam
    Powiązania:
    https://bibliotekanauki.pl/articles/1394394.pdf
    Data publikacji:
    2015
    Wydawca:
    Index Copernicus International
    Tematy:
    colorectal cancer
    patients’ awareness
    prevention
    Opis:
    The aim of the study was to assess patients’ awareness of the prevention and treatment of colorectal cancer. Material and methods. Patients diagnosed with colorectal cancer, hospitalised at the Department of General and Colorectal Surgery of the Medical University in Łódź during the period from January 2015 to April 2015, were asked to complete a questionnaire concerning their families’ medical case record, factors predisposing them to the development of colorectal cancer, the tests applied in diagnostics, and the treatment process. The questionnaire comprised 42 closed-ended questions with one correct answer. A statistical analysis of all answers was carried out. Results. The study group consisted of 30 men and 20 women aged 27–94 years old. A strong, statistically significant negative correlation between a patient’s age and his/her awareness of the prevention and treatment of colorectal cancer was noted (p<0.001; r= -0.51). The study demonstrated a statistically significant relationship between the occurrence of neoplasms in a patient’s family (p=0.009) or, more specifically, the occurrence of colorectal cancer (p=0.008), and the awareness of the prevention programme. The women’s group was characterised by statistically significantly greater awareness of colonoscopy as a screening examination (p=0.004). Conclusions. Patients need more information on colorectal cancer, its risk factors, prevention, the treatment process, and postoperative care. Lack of awareness of the colorectal cancer issue can be one of the major factors contributing to the high incidence of this disease.
    Źródło:
    Polish Journal of Surgery; 2015, 87, 9; 459-463
    0032-373X
    2299-2847
    Pojawia się w:
    Polish Journal of Surgery
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    UML – punkt widzenia studenta uczelni technicznej w Lublinie
    Autorzy:
    Ulidowski, Adam
    Wrzos, Jan
    Włodarczyk, Bartłomiej
    Krocz, Krzysztof
    Drozd, Patryk
    Żyła, Kamil
    Powiązania:
    https://bibliotekanauki.pl/articles/98232.pdf
    Data publikacji:
    2019
    Wydawca:
    Politechnika Lubelska. Instytut Informatyki
    Tematy:
    UML
    software engineering
    information system modelling
    survey
    inżynieria oprogramowania
    modelowanie systemów informatycznych
    ankieta
    Opis:
    Unified Modeling Language (UML) is a commonly known OMG (Object Management Group) standard for designing software systems. However, practice shows that the usage of UML varies depending on the specificity of a software system and company. The authors decided to explore the perspective of students with experience in using UML by conducting an exploratory survey with them. Analysis of the data gathered revealed that they use UML diagrams as an additional help when developing software. The main risk turned out to be different diagram interpretations. At last, the main motivation to learn UML was obtaining a credit at university.
    Unified Modeling Language (UML) jest powszechnie nauczanym i stosowanym standardem Object Management Group (OMG) służącym do opisu systemów informatycznych. Jednakże praktyka pokazuje, że użyteczność UML waha się w zależności od specyfiki projektu i systemu informatycznego. Autorzy zdecydowali się przeprowadzić ankietę badającą opinie studentów, mających styczność z językiem UML, na temat wykorzystania wykonanych w nim diagramów. Analiza zebranych ankiet wykazała, że diagramy UML pełnią zazwyczaj rolę pomocniczą, głównym ryzykiem ich użycia są różnice w ich interpretacji, a główną motywacją do nauki jest uzyskanie zaliczenia na uczelni.
    Źródło:
    Journal of Computer Sciences Institute; 2019, 13; 279-282
    2544-0764
    Pojawia się w:
    Journal of Computer Sciences Institute
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sexual activity in patients after proctocolectomy with ileal pouch-anal anastomosis
    Autorzy:
    Kluska, Piotr
    Dzika-Andrysiak, Katarzyna
    Mik, Michał
    Zelga, Piotr
    Włodarczyk, Marcin
    Kujawski, Ryszard
    Dziki, Łukasz
    Dziki, Adam
    Trzciński, Radzisław
    Powiązania:
    https://bibliotekanauki.pl/articles/1391528.pdf
    Data publikacji:
    2021
    Wydawca:
    Index Copernicus International
    Tematy:
    familial adenomatous polyposis
    quality of sexual life
    restorative proctocolectomy
    ulcerative colitis
    Opis:
    Introduction: Proctocolectomy with ileal pouch-anal anastomosis is the gold standard in the surgical treatment of patients with ulcerative colitis, familial adenomatous polyposis and other colorectal diseases requiring colectomy. The treatment consists in removing the large intestine and creating an intestinal reservoir from the last ileum loop and then anastomosing the intestinal reservoir with the anal canal. Like any surgical procedure, RPC-IPAA also carries the risk of complications, both early and late. Late postoperative complications include sexual dysfunction. Aim: The main goal of the following work is to assess the quality of life and sexual activity in patients having undergone the RPC-IPAA procedure at the General and Colorectal Surgery Clinic. Material and methods: The study group consisted of patients aged 19–79 who had been subjected to RPC-IPAA procedures at the General and Colorectal Surgery Clinic in years 2010–2019. The study was conducted on the basis of a survey consisting of 50 questions about the social and mental condition, medical history and previous treatment as well as the quality of sexual life before and after surgery. The scale used for the assessment of the quality of sex life consisted of 5 grades: very low, low, medium, high, very high. Thirty subjects (21 men and 9 women) took part in the survey. Ulcerative colitis (86.6%) was the most common reason for qualification for restorative proctectomy among the examined patients; less common reasons included familial adenomatous polyposis (13.3%) and synchronous colorectal cancer (3.3%). A vast majority of the surgeries had been performed after 10 years’ duration of ulcerative colitis, and the intestinal reservoir had been functioning for over a year at the time of the examination. In addition, the effect of taking steroids and the impact of early postoperative complications on the quality of sex life of patients was assessed. Results: High or very high sexual activity before surgery was reported by 46% of patients whereas low or very low quality was reported by 13%. The rest of the responders assessed their pre-operative sexual activity as average. After surgery, 23% of patients rated their sexual activity as high or very high while 36.6% of patients rated it as low or very low (P = 0.07). It was also noted that taking corticosteroids before surgery decreased the quality of sex life after surgery (P = 0.07 for activity, P = 0.04 for quality). None of the women surveyed used artificial moisturizing of intimate places during sex. Only 1 person stated that they started using artificial moisturization of intimate places after the procedure (P = 0.5). None of the men surveyed had used pharmacological agents to help them obtain an erection before surgery while as many as 33% of responders reported the need for their use after surgery (P = 0.008). Other postoperative sexual dysfunctions were also registered, such as dyspareunia (13.3%), sensory disorder within the intimate region, fecal incontinence, and urinary incontinence. Conclusions: To sum up, sexual activity and quality of sexual life deteriorated after RPC-IPAA in our patients.
    Źródło:
    Polish Journal of Surgery; 2021, 93, 1; 19-24
    0032-373X
    2299-2847
    Pojawia się w:
    Polish Journal of Surgery
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-10 z 10

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