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The effect of different printing parameters on mechanical and thermal properties of PLA specimens

Ádám, Balázs ; Polgár, Balázs ; Nagy, Dorottya

Neumann Janos Egyetem ; 2020

In: Gradus Vol. 7, No. 3 ( 2020), p. 166-173

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In: Gradus, Neumann Janos Egyetem, Vol. 7, No. 3 ( 2020), p. 166-173

Abstract: In 3D printing, it is important to choose the right printing parameters because they can influence the mechanical strength of the printed product. Fused Deposition Modelling (FDM)type printer was used to print specimens frompoly(lactic-acid)(PLA)fiber. Three printing temperatures, two printing rates, and two building structureswereapplied. The mechanical properties were measured by tensile and Charpy impact tests, the thermalproperties were investigated byDifferential Scanning Calorimetry(DSC)and pictures were taken from the fracturesurfaces by digital microscope. The results showed that the effect of the fiber orientation was the greatest. The temperature haslessimpact, but the changeis well demonstrated. The effect of printing rate on mechanical strength is not clear, so further studies are required. At slower rate the positive effect of temperature raisingis more visible on microscopic images.

Type of Medium: Online Resource

ISSN: 2064-8014

URL: Article

DOI: 10.47833/2020.3.ENG.001

Language: Unknown

Publisher: Neumann Janos Egyetem

Publication Date: 2020

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2

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Association of Remote Monitoring With Survival in Heart Failure Patients Undergoing Cardiac Resynchronization Therapy: Retrospective Observational Study

Bogyi, Peter ; Vamos, Mate ; Bari, Zsolt ; [et al.]

JMIR Publications Inc. ; 2019

In: Journal of Medical Internet Research Vol. 21, No. 7 ( 2019-07-26), p. e14142-

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In: Journal of Medical Internet Research, JMIR Publications Inc., Vol. 21, No. 7 ( 2019-07-26), p. e14142-

Type of Medium: Online Resource

ISSN: 1438-8871

URL: Article

DOI: 10.2196/14142

Language: English

Publisher: JMIR Publications Inc.

Publication Date: 2019

detail.hit.zdb_id: 2028830-X

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3

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Az optimális gyógyszeres és eszközös terápia szerepe a peripartum cardiomyopathia komplex kezelésében

Bánfi-Bacsárdi, Fanni ; Muk, Balázs ; Polgár, Balázs ; [et al.]

Cardiologia Hungarica ; 2023

In: Cardiologia Hungarica Vol. 53, No. 4 ( 2023), p. 386-392

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In: Cardiologia Hungarica, Cardiologia Hungarica, Vol. 53, No. 4 ( 2023), p. 386-392

Abstract: Bevezetés: A peripartum cardiomyopathia (PPCM) optimális, individualizált terápiája elengedhetetlen a mortalitás és a morbiditás csökkentésében. Eset: Egy 39 éves nőbeteg esetét mutatjuk be, aki 35 hetes gravidaként akut, dekompenzált, de novo csökkent ejekciós frakciójú szívelégtelenség (HFrEF) diagnózisával került kórházi felvételre (NTproBNP: 5680 pg/ml, NYHA IV). A transztorakális echokardiográfia (TTE) tág (LVEDD: 66 mm), normál falvastagságú, súlyos fokban csökkent szisztolés funkciójú bal kamrát (LVEF: 25%) igazolt. A súlyos, dekompenzált PPCM-re tekintettel a multidiszciplináris konzílium urgens császármetszést javasolt. Bromokriptint, illetve antikoaguláns és direkt vazodilatátor-kezelést indítottunk. Az emellett alkalmazott komplex antikongesztív, és a HFrEF-nek megfelelően bevezetett kombinált neurohormonális antagonista (ACEI + βB + MRA), illetve SGLT2i-terápia mellett állapota stabilizálódott, euvolémia elérhető és fenntartható volt. Szív MR-vizsgálata súlyos fokú szisztolés balkamra-diszfunkciót (LVEF: 22%, LVEDV: 191 ml), koronária-CT ép koszorúereket igazolt. NYHA II funkcionális osztályban történt hazabocsátást követően gondozását Szívelégtelenség Ambulanciánkon folytattuk. A súlyos balkamra-diszfunkció 〉 6 havi optimális gyógyszeres terápia ellenére is perzisztált (LVEF: 25%, NYHA II), így primer prevenciós CRT-D implantációt végeztünk (bal Tawara-szár-blokkot, QRS: 140 msec-ot mérlegelve). A CRT-D-beültetés után a kontroll TTE már normalizálódott bal kamrai dimenziókat (LVEDD: 52 mm) és LVEF-et (56%) ábrázolt. 20 hónapos utánkövetés után betegünk jó klinikai állapotban van (NTproBNP: 203 pg/ml, NYHA I). Következtetés: Ugyan a PPCM lefolyása során gyakran remisszió lép fel, perzisztáló HFrEF esetén 〉 6 havi irányelvek szerint optimalizált gyógyszeres kezelést követően az eszközös terápia mérlegelendő.

Type of Medium: Online Resource

ISSN: 0133-5596 , 1588-0230

URL: Article

DOI: 10.26430/CHUNGARICA.2023.53.4.386

Language: Unknown

Publisher: Cardiologia Hungarica

Publication Date: 2023

detail.hit.zdb_id: 2162219-X

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4

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PO-1818: Cytogenetic and immunological markers to predict side effects and tumour control in cancer patients

Juranyi, Z. ; Kocsis S., Z. ; Lumniczky, K. ; [et al.]

Elsevier BV ; 2020

In: Radiotherapy and Oncology Vol. 152 ( 2020-11), p. S1014-

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In: Radiotherapy and Oncology, Elsevier BV, Vol. 152 ( 2020-11), p. S1014-

Type of Medium: Online Resource

ISSN: 0167-8140

URL: Article

DOI: 10.1016/S0167-8140(21)01836-3

Language: English

Publisher: Elsevier BV

Publication Date: 2020

detail.hit.zdb_id: 1500707-8

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5

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A hexameric acylaminoacyl peptidase: substrate selectivity and stabilization

Harmat, Veronika ; Tichy-Rács, Éva ; Hornung, Balázs ; [et al.]

International Union of Crystallography (IUCr) ; 2009

In: Acta Crystallographica Section A Foundations of Crystallography Vol. 65, No. a1 ( 2009-08-16), p. s136-s136

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In: Acta Crystallographica Section A Foundations of Crystallography, International Union of Crystallography (IUCr), Vol. 65, No. a1 ( 2009-08-16), p. s136-s136

Type of Medium: Online Resource

ISSN: 0108-7673

URL: Article

DOI: 10.1107/S0108767309097293

Language: Unknown

Publisher: International Union of Crystallography (IUCr)

Publication Date: 2009

detail.hit.zdb_id: 2020844-3

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6

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Datasets of in vitro clonogenic assays showing low dose hyper-radiosensitivity and induced radioresistance

Polgár, Szabolcs ; Schofield, Paul N. ; Madas, Balázs G.

Springer Science and Business Media LLC ; 2022

In: Scientific Data Vol. 9, No. 1 ( 2022-09-08)

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In: Scientific Data, Springer Science and Business Media LLC, Vol. 9, No. 1 ( 2022-09-08)

Abstract: Low dose hyper-radiosensitivity and induced radioresistance are primarily observed in surviving fractions of cell populations exposed to ionizing radiation, plotted as the function of absorbed dose. Several biophysical models have been developed to quantitatively describe these phenomena. However, there is a lack of raw, openly available experimental data to support the development and validation of quantitative models. The aim of this study was to set up a database of experimental data from the public literature. Using Google Scholar search, 46 publications with 101 datasets on the dose-dependence of surviving fractions, with clear evidence of low dose hyper-radiosensitivity, were identified. Surviving fractions, their uncertainties, and the corresponding absorbed doses were digitized from graphs of the publications. The characteristics of the cell line and the irradiation were also recorded, along with the parameters of the linear-quadratic model and/or the induced repair model if they were provided. The database is available in STORE DB , and can be used for meta-analysis, for comparison with new experiments, and for development and validation of biophysical models.

Type of Medium: Online Resource

ISSN: 2052-4463

URL: Article

DOI: 10.1038/s41597-022-01653-3

Language: English

Publisher: Springer Science and Business Media LLC

Publication Date: 2022

detail.hit.zdb_id: 2775191-0

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7

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The first and the second “battle of Mohács” (AD 1526, 1687). Archaeological Research and Perspectives

Polgár, Balázs

Eötvös Loránd University ; 2015

In: Communicationes Archaeologicae Hungariae Vol. 2014 ( 2015-12-07), p. 197-213

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In: Communicationes Archaeologicae Hungariae, Eötvös Loránd University, Vol. 2014 ( 2015-12-07), p. 197-213

Abstract: Conflict archaeology is a young subdiscipline of Hungarian archaeological research. The Ministry of Defence Military History Institute and Museum has been conducting research on the battlefields of Mohács and Harsány mountain (AD 1526, 1687) since 2010. The methodology of the research is based on classical conflict archaeological methodology (landscape archaeology, non-destructive archaeological research, military terrain analysis). The area and the historical landscape of the first and the second battle of Mohács show similarities, at the same time the different amount of source material resulted different battlefield or landscape archaeological perspectives.

Type of Medium: Online Resource

ISSN: 2786-295X , 0231-133X

URL: Article

DOI: 10.54640/CAH.2014.197

Language: Unknown

Publisher: Eötvös Loránd University

Publication Date: 2015

detail.hit.zdb_id: 3114601-6

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8

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Significant improvement in melanoma survival over the last decade: A Hungarian nationwide study between 2011 and 2019

Liszkay, Gabriella ; Benedek, Angela ; Polgár, Csaba ; [et al.]

Wiley ; 2023

In: Journal of the European Academy of Dermatology and Venereology Vol. 37, No. 5 ( 2023-05), p. 932-940

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In: Journal of the European Academy of Dermatology and Venereology, Wiley, Vol. 37, No. 5 ( 2023-05), p. 932-940

Abstract: Recent real‐world studies have reported significant improvements in the survival of malignant melanoma in the past few years, mainly as a result of modern therapies. However, long‐term survival data from Central Eastern European countries such as Hungary are currently lacking. Methods This nationwide, retrospective study examined melanoma survival in Hungary between 2011–2019 using the databases of the National Health Insurance Fund (NHIF) and Central Statistical Office (CSO) of Hungary. Crude overall survival and age‐standardized 5‐year net survival as well as the association between age, sex and survival were calculated. Results Between 2011 and 2019, 22,948 newly diagnosed malignant melanoma cases were recorded in the NHIF database (47.89% male, mean age: 60.75 years (SD: ±16.39)). Five‐year overall survival was 75.40% (women: 80.78%; men: 69.52%). Patients diagnosed between 2017–2019 had a 20% lower risk of mortality compared to patients diagnosed between 2011–2012 (HR 0.80, 95% CI 0.73–0.89; p 〈 0.0001). Age‐standardized 5‐year net survival rates in 2011–2014 and 2015–2019 were 90.6% and 95.8%, respectively (women: 93.1% and 98.4%, men: 87.8% and 92.7%, respectively). The highest age‐standardized 5‐year net survival rates were found in the 0–39 age cohort (94.6% in the 2015–2019 period). Conclusion Hungary has similar melanoma survival rates to Western European countries. Based on net survival, the risk of dying of melanoma within 5 years was cut by more than half (55%) during the study period, which coincides with the successful implementation of awareness campaigns and the wide availability of modern therapies.

Type of Medium: Online Resource

ISSN: 0926-9959 , 1468-3083

URL: Issue

URL: Article

DOI: 10.1111/jdv.v37.5

DOI: 10.1111/jdv.18960

Language: English

Publisher: Wiley

Publication Date: 2023

detail.hit.zdb_id: 2022088-1

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9

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Arginine 383 is a crucial residue in ABCG2 biogenesis

Polgar, Orsolya ; Ediriwickrema, Lilangi S. ; Robey, Robert W. ; [et al.]

Elsevier BV ; 2009

In: Biochimica et Biophysica Acta (BBA) - Biomembranes Vol. 1788, No. 7 ( 2009-07), p. 1434-1443

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In: Biochimica et Biophysica Acta (BBA) - Biomembranes, Elsevier BV, Vol. 1788, No. 7 ( 2009-07), p. 1434-1443

Type of Medium: Online Resource

ISSN: 0005-2736

URL: Article

DOI: 10.1016/j.bbamem.2009.04.016

RVK:

WA 15000

Language: English

Publisher: Elsevier BV

Publication Date: 2009

detail.hit.zdb_id: 2209384-9

SSG: 12

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10

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The Acylaminoacyl Peptidase from Aeropyrum pernix K1 Thought to Be an Exopeptidase Displays Endopeptidase Activity

Kiss, András L. ; Hornung, Balázs ; Rádi, Krisztina ; [et al.]

Elsevier BV ; 2007

In: Journal of Molecular Biology Vol. 368, No. 2 ( 2007-04), p. 509-520

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In: Journal of Molecular Biology, Elsevier BV, Vol. 368, No. 2 ( 2007-04), p. 509-520

Type of Medium: Online Resource

ISSN: 0022-2836

URL: Article

DOI: 10.1016/j.jmb.2007.02.025

Language: English

Publisher: Elsevier BV

Publication Date: 2007

detail.hit.zdb_id: 1355192-9

SSG: 12

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Kooperativer Bibliotheksverbund

Berlin Brandenburg