Publications by authors named "Anna Glowacka"
The paper presents the mechanical and hygrothermal properties of cement mortars containing bio-powders made from lavender waste and black pine wood. The wastes were mechanically ground with a hammer mill to a fraction not exceeding 0.5 mm and then dried in air-dry conditions.
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- Pyocyanin, a valuable blue pigment made by Pseudomonas aeruginosa, has become more sought after due to its unique chemical properties, but it is also expensive to produce.
- Research indicates that using statistical experimentation and low levels of stressors like zinc oxide nanoparticles can significantly boost pyocyanin output.
- Results show that optimal conditions (32℃ and 6.06 µg/mL of nanoparticles) enhance pyocyanin production while higher concentrations hinder it, and these changes involve physiological alterations in the bacteria.
After spinal cord transection (SCT) the interaction between motoneurons (MNs) and muscle is impaired, due to reorganization of the spinal network after a loss of supraspinal inputs. Rats subjected to SCT, treated with intraspinal injection of a AAV-BDNF (brain-derived neurotrophic factor) construct, partially regained the ability to walk. The central effects of this treatment have been identified, but its impact at the neuromuscular junction (NMJ) has not been characterized.
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- Chondroitin sulfate proteoglycans (CSPGs) form perineuronal nets (PNNs) that protect active neurons but hinder regeneration after spinal cord injury, with increased CSPG levels limiting new fiber growth near the injury site.* -
- In a study with male rats, researchers observed that the distance from the injury and the time post-trauma affected the transcription rates of PNN proteins, revealing a destabilization of PNNs across various spinal segments.* -
- Locomotor training showed a tendency to decrease PNN labeling around motor neurons without affecting the protein levels, indicating that training might specifically alter the glycan structures of CSPGs involved in neuron support.*
Article Synopsis
- - This paper discusses a testing method for specimens made of the titanium alloy Ti6Al4V under dynamic impact loads, using a drop-weight impact tower to gather data on displacement and force.
- - The study includes the creation of force and absorbed energy curves during plastic deformation and perforation, with detailed fracture analysis based on test results for 1, 2, and 3 layers of titanium alloy.
- - The findings indicate that increasing the number of layers enhances the force needed to cause damage and the absorbed energy during deformation, with a nearly linear correlation, while simulations analyzed various stress and strain parameters in the ABAQUS/Explicit environment.
Article Synopsis
- Experimental studies were conducted on cement mortars made with fine-grained waste aggregate from incinerated municipal sewage sludge, assessing its chemical and physical properties.
- The research evaluated the compressive and flexural strengths of the mortars over 56 days and analyzed factors like capillary action, air content, and thermal conductivity.
- Results indicated that the waste sludge can effectively replace natural sand in mortars, with high waste aggregate content enhancing interfacial strength but also increasing water absorption due to its porous structure.
Article Synopsis
- Locomotor training in spinal rats helps restore some inputs to extensor neurons but leads to excessive innervation of flexors, highlighting the necessity for targeted interventions.
- Proprioceptive stimulation of the tibial nerve in intact rats enhances innervation of extensor motor neurons, but after spinalization, similar stimulation fails to reverse declines in key receptor transcripts in extensor neurons, suggesting a lack of effective compensatory transcriptional response post-injury.
Article Synopsis
- The research aimed to create a model to assess airflow resistance through composted organic materials, specifically testing organic material under 80mm from municipal waste.
- The study varied key parameters like hydraulic load and airflow direction over 19 to 25 days while maintaining a consistent material humidity of around 45%.
- A neural network model (MLP/5-9-1) was chosen for its strong performance, indicated by a high correlation coefficient (0.906) and a range of standardized residuals (4.082 to 5.453).
Article Synopsis
- Complete thoracic spinal cord transection (SCT) affects excitatory cholinergic inputs differently in ankle extensor (soleus) and flexor (tibialis anterior) motoneurons, with flexor motoneurons showing more adaptability to changes in cholinergic signaling post-injury.
- The study found that after SCT, levels of the M2 muscarinic receptor gene (Chrm2) are reduced and receptor binding is lower in lumbar segments associated with soleus motoneurons, while tibialis anterior motoneurons maintain higher receptor density and binding.
- Locomotor training post-SCT helps normalize M2 receptor levels in tibialis anterior motoneurons, improves locomotion, and reduces clonic movements
Article Synopsis
- The study evaluated the effectiveness of essential oils from thyme, oregano, marjoram, mint, and garlic against Prototheca zopfii strains linked to cow mastitis.
- The researchers used microdilution and disk diffusion methods to test the sensitivity of ten strains from milk samples, finding that marjoram and oregano oils showed significant anti-algae activity while mint and garlic oils were ineffective.
- Results indicated that 90% of strains were sensitive to nystatin, but one strain was resistant to all antifungal agents, highlighting the potential of essential oils as natural treatments for mastitis in cows.*
Article Synopsis
- Prototheca algae, primarily found in cow habitats, can cause protothecosis in both animals and humans, with different species affecting each group.
- The study aimed to test various essential oils and antifungal antibiotics against P. zopfii isolates from mastitic milk in cows.
- Results showed essential oils effectively inhibited P. zopfii, with cinnamon, clove, and thyme being the most effective, while nystatin proved to be the most effective antifungal agent.
The effect of clary sage oil on staphylococci responsible for wound infections.
Postepy Dermatol Alergol
February 2015
Article Synopsis
- The study investigates the antibacterial properties of clary sage oil against various strains of Staphylococcus bacteria, which are known to resist common antibiotics.
- It utilized advanced analysis methods (GC-FID-MS) to identify the oil's components and determined its effectiveness through the micro-dilution broth method, finding it active with MIC values between 3.75 to 7.00 µl/ml.
- The findings suggest that clary sage oil could be a promising natural treatment option for wound and skin infections due to its antimicrobial properties.
Article Synopsis
- * The study investigated the antibacterial effects of essential oils from cinnamon, lavender, and geranium against Acinetobacter strains isolated from clinical and environmental sources.
- * Cinnamon oil showed the strongest antibacterial activity, with minimal inhibitory concentrations (MICs) between 0.5 to 2.5 µL/mL, while geranium and lavender oils had higher MICs, suggesting they could be useful in disinfecting hospital environments.
Article Synopsis
- The study aimed to evaluate the antibacterial properties of cinnamon bark oil against various Gram-positive and Gram-negative bacteria from clinical sources, including Staphylococcus and Acinetobacter.
- Using the microdilution method, researchers determined the minimum inhibitory concentration (MIC) for cinnamon bark oil, finding it effective against all tested bacterial isolates.
- The results suggest that cinnamon bark oil could serve as an alternative antibacterial agent for use in cosmetics and hospital disinfectants, despite the bacteria's high resistance to common antibiotics.
Article Synopsis
- * Researchers used the agar dilution method to test how well the essential oil could inhibit bacterial growth, finding that it was effective against all tested strains, especially E. coli.
- * The findings suggest that oregano essential oil could be a useful alternative to traditional antibiotics, potentially aiding in the treatment of bacterial infections and reducing the emergence of antibiotic-resistant bacteria.
Article Synopsis
- Total knee arthroplasty (TKA) is a common treatment for severe knee arthritis, and effective rehab is crucial for patient recovery.
- A study of 186 patients revealed that adding continuous passive motion (CPM) to rehab allowed for more effective recovery compared to traditional methods.
- The implementation of CPM not only improved knee flexibility faster but also significantly shortened hospital stays, leading to better emotional well-being and quicker reintegration into daily life.
Article Synopsis
- The study explores how electromagnetic fields (EF) affect the susceptibility of Candida fungi to the antifungal drug miconazole.
- Initially, Candida strains showed decreased susceptibility (higher MICs) after one week of EF exposure, indicating resistance.
- However, after two weeks of exposure to specific EF parameters (2 mT at 3 Hz and 9 mT at 12.5 Hz), the strains exhibited increased susceptibility (lower MICs), suggesting a potential benefit of using low-intensity EF in treating Candida infections.
Leukemia inhibitory factor (LIF) and its biological activity.
Ann Univ Mariae Curie Sklodowska Med
September 2005
Article Synopsis
- Leukemia inhibitory factor (LIF) is a versatile glycoprotein from the IL-6 cytokine family, known for promoting growth and cell differentiation in various target cells.
- It plays a significant role in inflammatory responses by inducing acute phase protein synthesis and influencing cell recruitment to damaged areas.
- LIF also has the ability to regulate the differentiation of embryonic stem cells and other cell types, making it important in the development of several diseases.
Basic-fibroblast growth factor (b-FGF)--its biological role in physiologic and pathologic conditions.
Ann Univ Mariae Curie Sklodowska Med
October 2005
Article Synopsis
- b-FGF is a versatile protein that helps various cell types grow and differentiate, including skin and blood vessel cells.
- It plays a key role in processes like wound healing, tissue remodeling, and can also contribute to tumor growth and spread.
- The exact functions of b-FGF in both healthy and disease states are still not fully understood, especially in relation to inflammatory skin diseases.
Article Synopsis
- The study focused on the long-term outcomes of uncemented total hip arthroplasty (THA) in patients under 50 with dysplastic coxarthrosis, analyzing 220 hips from 177 patients.
- Most surgeries were performed on patients who had undergone earlier treatments for developmental dysplasia of the hip (DDH), with an average follow-up period of 9.3 years.
- The results showed a strong correlation between clinical and radiological evaluations, with 39% of cases deemed poor and only 12% rated as very good, indicating mixed long-term outcomes for this surgical approach.