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Showing 13 to 24 of 65 entries
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Effects of Hypoxia on Erythrocyte Membrane Properties-Implications for Intravascular Hemolysis and Purinergic Control of Blood Flow.

Frontiers in physiology

Grygorczyk R, Orlov SN.
PMID: 29312010
Front Physiol. 2017 Dec 22;8:1110. doi: 10.3389/fphys.2017.01110. eCollection 2017.

Intravascular hemolysis occurs in hereditary, acquired, and iatrogenic hemolytic conditions but it could be also a normal physiological process contributing to intercellular signaling. New evidence suggests that intravascular hemolysis and the associated release of adenosine triphosphate (ATP) may be...

Antibacterial Activity of Commercial Dentine Bonding Systems against E. faecalis-Flow Cytometry Study.

Materials (Basel, Switzerland)

Lukomska-Szymanska M, Konieczka M, Zarzycka B, Lapinska B, Grzegorczyk J, Sokolowski J.
PMID: 28772841
Materials (Basel). 2017 Apr 29;10(5). doi: 10.3390/ma10050481.

Literature presents inconsistent results on the antibacterial activity of dentine bonding systems (DBS). Antibacterial activity of adhesive systems depends on several factors, including composition and acidity. Flow cytometry is a novel detection method to measure multiple characteristics of a...

Intrapericardial fibrinolysis in purulent pericarditis-case report.

International journal of emergency medicine

Dybowska M, Kazanecka B, Kuca P, Burakowski J, Czajka C, Grzegorczyk F, Gralec R, Tomkowski W.
PMID: 26446031
Int J Emerg Med. 2015 Dec;8(1):36. doi: 10.1186/s12245-015-0087-y. Epub 2015 Oct 07.

Purulent pericarditis (PP) continues to result in a very serious prognosis and high mortality. The most serious complication of pericarditis is constriction. Intrapericardial administration of fibrinolytic agents, although controversial, can prevent the development of constrictions. We present the case...

Cerenkov radiation in materials with negative permittivity and permeability.

Optics express

Lu J, Grzegorczyk T, Zhang Y, Pacheco J, Wu BI, Kong J, Chen M.
PMID: 19461784
Opt Express. 2003 Apr 07;11(7):723-34. doi: 10.1364/oe.11.000723.

The mathematical solution for Cerenkov radiation in a novel medium, left-handed medium (LH medium), which has both negative permittivity and permeability, is introduced in this paper. It is shown that the particle motion in the LH medium generates power...

Imaging exocytosis of ATP-containing vesicles with TIRF microscopy in lung epithelial A549 cells.

Purinergic signalling

Akopova I, Tatur S, Grygorczyk M, Luchowski R, Gryczynski I, Gryczynski Z, Borejdo J, Grygorczyk R.
PMID: 21881960
Purinergic Signal. 2012 Mar;8(1):59-70. doi: 10.1007/s11302-011-9259-2. Epub 2011 Sep 01.

Nucleotide release constitutes the first step of the purinergic signaling cascade, but its underlying mechanisms remain incompletely understood. In alveolar A549 cells much of the experimental data is consistent with Ca(2+)-regulated vesicular exocytosis, but definitive evidence for such a...

2,2',3,3',4,4',5,5',6,6'-Decafluorodiphenylamine and its 1:1 cocrystal with diphenylamine.

Acta crystallographica. Section C, Crystal structure communications

Grzegorczyk M, Gdaniec M.
PMID: 16823219
Acta Crystallogr C. 2006 Jul;62:o419-22. doi: 10.1107/S0108270106019664. Epub 2006 Jun 23.

In the structures of decafluorodiphenylamine, C(12)HF(10)N, and its 1:1 cocrystal with diphenylamine, C(12)HF(10)NxC(12)H(11)N, the molecules are located on special positions of C(2) symmetry. The NH groups are not involved in hydrogen bonding and the usual face-to-face stacking interactions between...

Calcium-dependent release of adenosine and uridine nucleotides from A549 cells.

Purinergic signalling

Tatur S, Kreda S, Lazarowski E, Grygorczyk R.
PMID: 18368524
Purinergic Signal. 2008 Jun;4(2):139-46. doi: 10.1007/s11302-007-9059-x. Epub 2007 Jul 25.

Extracellular nucleotides play an important role in lung defense, but the release mechanism and relative abundance of different nucleotide species secreted by lung epithelia are not well defined. In this study, to minimize cell surface hydrolysis, we used a...

MMP7 and MMP8 genetic polymorphisms in bladder cancer patients.

Central European journal of urology

Wieczorek E, Reszka E, Wasowicz W, Grzegorczyk A, Konecki T, Sosnowski M, Jablonowski Z.
PMID: 24757528
Cent European J Urol. 2014;66(4):405-10. doi: 10.5173/ceju.2013.04.art3. Epub 2014 Jan 27.

INTRODUCTION: Breakdown of the extracellular matrix by matrix metalloproteinases (MMPs), as we know, is one of mechanisms involved and required in tumor invasion. MMP7 is a negative prognostic factor of various malignances, while MMP8 exhibits an inhibitory effect on...

Comparison of selected body composition parameters in women using DXA and anthropometric method.

Journal of research in medical sciences : the official journal of Isfahan University of Medical Sciences

Grzegorczyk J, Woloszyn N, Perenc L.
PMID: 31523256
J Res Med Sci. 2019 Aug 28;24:70. doi: 10.4103/jrms.JRMS_1021_18. eCollection 2019.

BACKGROUND: An excessive accumulation of the adipose tissue in women's organism is a frequent and important medical problem which should be monitored. The aim of this study was to explore correlations between the selected parameters of body composition assessed...

A wettability-based approach for the monitoring of drug transport through biological membranes.

Journal of colloid and interface science

Rochowski P, Grzegorczyk M, Pogorzelski S.
PMID: 31398563
J Colloid Interface Sci. 2019 Nov 01;555:352-360. doi: 10.1016/j.jcis.2019.07.111. Epub 2019 Aug 01.

The aim of the work was to exploit a methodology based on contact angle measurements for the purpose of membrane transport studies. Special attention has been paid to a model system of pharmacological relevance, consisting of the drug dithranol...

Corrigendum: Determining the Targets of Fluopsin C Action on Gram-Negative and Gram-Positive Bacteria.

Frontiers in microbiology

Navarro MOP, Dilarri G, Simionato AS, Grzegorczyk K, Dealis ML, Cano BG, Barazetti AR, Afonso L, Chryssafidis AL, Ferreira H, Andrade G.
PMID: 33123105
Front Microbiol. 2020 Oct 06;11:574002. doi: 10.3389/fmicb.2020.574002. eCollection 2020.

[This corrects the article DOI: 10.3389/fmicb.2020.01076.].

The Prevalence of Virulence Determinants and Antibiotic Resistance Patterns in Methicillin-Resistant .

Pathogens (Basel, Switzerland)

Kasela M, Grzegorczyk A, Nowakowicz-Dębek B, Malm A.
PMID: 33916758
Pathogens. 2021 Apr 03;10(4). doi: 10.3390/pathogens10040427.

Nursing homes (NH) contribute to the regional spread of methicillin-resistant

Showing 13 to 24 of 65 entries