A5069691321- Complex Systems and Time Series Analysis
- Chaos control and synchronization
- Financial Risk and Volatility Modeling
- Time Series Analysis and Forecasting
- Neural Networks and Applications
- Nonlinear Dynamics and Pattern Formation
- Advanced Adaptive Filtering Techniques
- Biochemical and Molecular Research
- Statistical Mechanics and Entropy
- Control Systems and Identification
- Blind Source Separation Techniques
- Financial Markets and Investment Strategies
- Stock Market Forecasting Methods
- Opinion Dynamics and Social Influence
- Colorectal Cancer Treatments and Studies
- Cardiac and Coronary Surgery Techniques
- Data Stream Mining Techniques
- SARS-CoV-2 detection and testing
- Cannabis and Cannabinoid Research
- Nitric Oxide and Endothelin Effects
- Coffee research and impacts
- Hepatocellular Carcinoma Treatment and Prognosis
- Fluid Dynamics and Mixing
- Sphingolipid Metabolism and Signaling
- Plant Virus Research Studies
Gdańsk Medical University
2022-2025
Warsaw University of Technology
2000-2021
Lublin University of Technology
2016
Max Planck Institute for the Physics of Complex Systems
2004-2007
Max Planck Institute for Physics
2007
Max Planck Society
2004-2006
Technische Universität Dresden
2003
In vivo solid-phase microextraction (SPME) is a minimally invasive, non-exhaustive sample-preparation technique that facilitates the direct isolation of low molecular weight compounds from biological matrices in living systems. This especially useful for analysis phytocannabinoids (PCs) plant material, both forensic purposes and monitoring PC content growing Cannabis spp. plants. contrast to traditional extraction techniques, SPME enables continuous tracking changes level PCs during growth...
OBJECTIVE The pathophysiology of delayed cerebral ischemia (DCI) is not fully elucidated. lack accurate diagnostic tools increases the probability diagnosis and timely treatment. authors assessed relationship 8-iso-prostaglandin F 2α (F2-IsoP) oxidative stress biomarkers, nitric oxide synthase 3 (NOS3) nicotinamide adenine dinucleotide phosphate (NADPH), with DCI after aneurysmal subarachnoid hemorrhage (aSAH). METHODS 65 aSAH patients for F2-IsoP, NOS3, NADPH concentrations using commercial...
Bacterial infections represent a significant challenge to the success rate of both short- and long-term titanium implants. Consequently, there is persistent need for effective strategies prevent such infections. In this study, chitosan-based coatings modified with gold or zinc nanoparticles, recognized their antibacterial properties, were electrophoretically deposited (EPD) onto Ti13Zr13Nb alloy thoroughly characterized. The effects EPD voltage, surfactant use, metallic nanoparticle type...
Purinergic signalling pathways play a vital role in the biological functions of aortic valve (AV) through nucleotide and adenosine-dependent receptor effects. This study focused on characterizing side-specific purinergic cascade human non-stenotic stenotic AVs, ovine native AVs novel bacterial nanocellulose (BNC) bio-prosthesis an model. Human were collected during replacement surgeries, while came from heart transplant patients. Ovine sourced domestic sheep, BNC prosthesis was implanted...
We present a method of noise-level estimation that is valid even for high noise levels. The makes use the functional dependence coarse-grained correlation entropy K2(epsilon ) on threshold parameter epsilon. show function depends, in characteristic way, standard deviation sigma. It follows observing K2 (epsilon one can estimate level Although theory has been developed Gaussian added to observed variable we have checked numerically also uniform distribution and case Langevin equation...
We analyze the experimental time series of internal pressure in a four cylinder spark ignition engine. In our experiment, performed for different advance angles, apart from usual cyclic changes engine we observed additional oscillations. These oscillations are with longer scales ranging one to several hundred cycles depending on working conditions. Based dependence have calculated heat released per combustion cycle. Using release calculate correlation coarse-grained entropy estimated noise...
Adenosine deaminase (ADA) via two isoenzymes, ADA1 and ADA2, regulates intra- extracellular adenosine concentrations by converting it to inosine. In the central nervous system (CNS), modulates processes of neuroinflammation demyelination that together play a critical role in pathophysiology multiple sclerosis (MS). Except for their catalytic activities, ADA isoenzymes display extra-enzymatic properties acting as an adhesion molecule or growth factor.This study aimed explore distribution...
Molnupiravir, an orally administered prodrug of β-d-N4-hydroxycytidine (NHC), is incorporated into newly synthesized RNA by viral RNA-dependent polymerase (RdRp). It used for treatment SARS-CoV-2 infections. Incorporation NHC triphosphate inhibits replication the virus, at least in part introducing deleterious mutations. However, there limited information on incorporation host and reports risk mutagenicity that molnupiravir/NHC pose to are conflicting. We two liquid chromatography-mass...
Abstract Background 5-Fluorouracil (5-FU) is a cornerstone in treatment of colorectal cancer (CRC) and usually combined with leucovorin (LV) to enhance the antitumour effect by increase thymidylate synthase (TS) inhibition, key target enzyme for 5-FU. Arfolitixorin (Arfo) an active form reduced folate, [6 R]-5,10-methylenetetrahydrofolate ([6 R]-MeTHF contrast LV, does not need be metabolized. The Modelle-001 was designed explore whether single intravenous bolus injection Arfo as compared...
We present a method that uses distances between nearest neighbors in Takens space to evaluate level of noise. The is valid even for high noise levels. has been verified by estimation levels several chaotic systems. have analyzed the Dow Jones and DAX indexes we found ranges from 25 80% signal variance.
On the basis of a local-projective (LP) approach we develop method noise reduction in time series that makes use nonlinear constraints appearing due to deterministic character underlying dynamical system. The Delaunay triangulation is used find optimal nearest neighboring points series. efficiency our comparable standard LP methods but more robust input parameter estimation. has been successfully applied for separating signal from chaotic Henon and Lorenz models as well noisy experimental...
Thymidylate synthase (TS) is an enzyme responsible for the conversion of deoxyuridine monophosphate (dUMP) to deoxythymidine (dTMP), with co-substrate 5,10-methylenetetrahydrofolate (5,10-CH