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  1. 20 Acta of Bioengineering and Biomechanics
  2. 18 Engineering of Biomaterials
  3. 3 Czasopismo Techniczne. Mechanika
  4. 3 Inżynieria Biomateriałów
  5. 3 Technical Transactions. Mechanics
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  1. 2 Aksakal B.
  2. 2 Cholewa J.
  3. 2 Cichoń Ewelina
  4. 2 Czechowska Joanna
  5. 2 Guzik Maciej
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  1. 1 2023
  2. 8 2021
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1
Content available remote Chirurgiczna piła oscylacyjna obniżająca siły przy cięciu kości
Jemielniak Krzysztof
Mechanik
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2023
|
R. 96, nr 5-6
10
PL
Przy przecinaniu kości chirurgicznymi piłami oscylacyjnymi często występują znaczne siły skrawania, które zmniejszają dokładność i skuteczność zabiegu. W artykule przedstawiono eksperymenty dotyczące cięcia świeżych kości bydła i symulowanych kości z użyciem pił o różnych kształtach zębów i geometrii ostrza.
2
Content available The encapsulation of antibacterial drugs in polymer nanoparticles and their use in drug delivery systems on ZrO2 scaffold with bioactive coating
Pudełko Iwona, Desante Gaëlle, Pamuła Elżbieta, Schickle Karolina, Krok-Borkowicz Małgorzata
Engineering of Biomaterials
|
2021
|
Vol. 24, no. 161
21--27
EN
Bone infections are a challenging problem as they may cause a permanent patient disability and even death. Additionally, their relapse rate is relatively high. The implantation of a local drug delivery system can be an effective way to fight bone infections. In this study, we present the process of surface bioactivation and immobilization of nanoparticles loaded with drugs. Our aim was to improve osseointegration of the ZrO2 surface by coating it with a bioactive layer containing poly(L-lactide-co-glycolide)(PLGA) nanoparticles (NPs) loaded with antibacterial drugs (gentamicin and bacitracin) using a biomimetic precipitation method. The ZrO2 substrates were prepared via pressing and sintering. The CaP-coating was obtained by immersing the substrates in ten-times concentrated simulated body fluid (10×SBF). NPs were prepared by the double emulsion method and the drug loading in NPs was assessed. Thus obtained NPs were applied on bioactivated ceramic substrates by the drop-casting method or by introducing them in the 10×SBF solution during the bioactivation process. The NPs were visualized using scanning electron microscopy (SEM). The NPs size and the Zeta potential were measured using dynamic light scattering (DLS) method. The microstructure of the coating and the efficiency of the NPs incorporation were tested by SEM. In this study, we proved the presented process to be an effective way to obtain biomaterials that could be used as drug delivery systems to treat bone infections in the future.
3
Content available Preparation and preliminary in vivo studies of resorbable polymer modified with allogenic bone chips for guided bone regeneration and orthopedic implants
Szaraniec Barbara, Szponder Tomasz, Gryń Karol, Ambroziak Maciej, Gut Grzegorz, Koperski Łukasz, Chłopek Jan
Engineering of Biomaterials
|
2021
|
Vol. 24, no. 162
13--19
EN
Composites made of resorbable polylactide modified with bone powder are part of the current search for implantable materials endowed with advantageous biomechanical functions, which make them suitable for orthopedics and traumatology applications. The bone additive containing active bone morphogenetic proteins (BMPs) and calcium phosphates introduced into the polymer matrix is to grant the implant with a biological activity. Subsequently, the resorbable matrix should get replaced with bone tissue. In order to avoid losing the osteoinductive properties of the designed material, it should be processed at low temperatures via physicochemical methods. This paper is devoted to the preparation and optimization of the composite production method suitable for biodegradable polymers and morphogenetic proteins along with the assessment of biocompatibility and biological properties of obtained materials. The tape-casting method was successfully applied. Resorbable polymer (medical poly-L-lactide, Purasorb PL38 by Purac) with 15 wt% of human bone powder (from tissue bank) were used to fabricate PLA-CP/BMPs composite implants. They were tested in in vivo studies that were performed in rabbit bone tissues. The results show a high biocompatibility of the material and good osteointegration with bone tissue.
4
Content available Multifunctional biomaterials based on nanostructured anodic titanium dioxide
Jarosz Magdalena, Sulka Grzegorz D.
Engineering of Biomaterials
|
2021
|
Vol. 24, no. 163
35
5
Content available Foamed calcium phosphate cements and their behaviour during incubation in distilled water
Cichoń Ewelina, Prajsnar Justyna, Guzik Maciej, Czechowska Joanna, Skibiński Szymon, Pańtak Piotr, Ślósarczyk Anna, Zima Aneta
Engineering of Biomaterials
|
2021
|
Vol. 24, no. 163
27
6
Content available Design of initial fixation in bone of customized innovative hip resurfacing endoprosthesis based on validated numerical model of the biomimetic multi-spiked connecting scaffold embedding in bone and data from the human osteoarthritic femoral heads μCT assessment
Uklejewski Ryszard, Patalas Adam, Winiecki Mariusz, Rogala Piotr
Engineering of Biomaterials
|
2021
|
Vol. 24, no. 163
21
7
Content available Deposition of iron on carbon nonwovens by magnetron sputtering
Giełdowska Małgorzata, Tuz Damian, Król Paulina, Boguń Maciej
Engineering of Biomaterials
|
2021
|
Vol. 24, no. 163
69
8
Content available Biological properties of nanosilver-loaded PMMA bone cement doped with bioactive glass
Wekwejt Marcin, Chen Si, Łukowicz Krzysztof, Pałubicka Anna, Osyczka Maria, Michno Anna, Michálek Martin, Zieliński Andrzej
Engineering of Biomaterials
|
2021
|
Vol. 24, no. 163
83
9
Content available Biodegradable tricalcium phosphate/poly(3-hydroxybutyrate) scaffolds for bone tissue regeneration
Skibiński Szymon, Pańtak Piotr, Cichoń Ewelina, Guzik Maciej, Czechowska Joanna, Ślósarczyk Anna, Zima Aneta
Engineering of Biomaterials
|
2021
|
Vol. 24, no. 163
74
10
Content available Stem cells response on photo-crosslinked heparin – bone morphogenetic proteins (BMP-2/-7) hybrid systems
Wytrwal-Sarna Magdalena, Pomorska Agata, Sekula-Stryjewska Małgorzata, Zuba-Surma Ewa, Szczubiałka Krzysztof
Engineering of Biomaterials
|
2020
|
Vol. 23, no. 158 spec. iss.
16
11
Content available Improving antibacterial activity of bone cement doped with nanosilver
Wekwejt Marcin, Michalska-Sionkowska Marta, Nadolska Małgorzata, Pałubicka Anna, Zieliński Andrzej
Engineering of Biomaterials
|
2020
|
Vol. 23, no. 158 spec. iss.
48
12
Content available Bone morphogenetic protein-2 adsorption on photoactive polymeric substrates
Wytrwal-Sarna Magdalena, Pomorska Agata, Sekula-Stryjewska Małgorzata, Gajos Katarzyna, Awsiuk Kamil, Sarna Michał, Zuba-Surma Ewa, Szczubiałka Krzysztof
Engineering of Biomaterials
|
2020
|
Vol. 23, no. 158 spec. iss.
15
13
Content available Titania nanotubes as scaffolds with optimal nanotopography for adipose-derived stem cells
Radtke Aleksandra, Ehlert Michalina, Piszczek Piotr, Roszek Katarzyna, Jędrzejewski Tomasz
Engineering of Biomaterials
|
2019
|
Vol. 22, no. 153 spec. iss.
49
14
Content available The influence of phase change material (PCM) on selected properties of polyurethane/magnetite systems
Lach Aleksandra, Pielichowska Kinga
Engineering of Biomaterials
|
2019
|
Vol. 22, no. 153 spec. iss.
95
15
Content available The factors governing hydrolytic degradation of polyesters-based scaffolds in bone tissue engineering
Walejewska Ewa, Idaszak Joanna, Heljak Marcin, Chlanda Adrian, Choińska Emilia, Święszkowski Wojciech
Engineering of Biomaterials
|
2019
|
Vol. 22, no. 153 spec. iss.
86
16
Content available Short calcium phosphate whiskers as reinforcement of polymer composites for bone tissue regeneration
Biernat Monika, Jaegermann Zbigniew, Oziębło Artur
Engineering of Biomaterials
|
2019
|
Vol. 22, no. 153 spec. iss.
38
17
Content available Modification of hydroxyapatite by anionic substitution
Borkowski Leszek, Przekora Agata, Belcarz Anna, Józefaciuk Grzegorz, Ginalska Grażyna
Engineering of Biomaterials
|
2019
|
Vol. 22, no. 153 spec. iss.
29
18
Content available Impact of ZrO2 additive on properties of PMMA-based bone cement
Laska-Leśniewicz Anna, Gaudyńska Marta, Gawlik Patrycja, Sobczyk-Guzenda Anna
Engineering of Biomaterials
|
2019
|
Vol. 22, no. 153 spec. iss.
69
19
Content available Surface characterization of the raw and cooked bovine cortical metatarsal bone
Petrovic Bojan B., Kojic Sanja, Peric Tamara O., Šipovac Milica, Lazarevic Jovana, Stefanovic Sofija, Stojanovic Goran
Acta of Bioengineering and Biomechanics
|
2019
|
Vol. 21, no. 1
13--21
EN
The purpose of this study was to quantify the elastic properties and evaluate microscopical features of raw and boiled metatarsal bovine bone. Methods: The elastic modulus, hardness and microscopic surface of raw and cooked bovine metatarsal bone have been investigated using nanoindentation, SEM/EDX and Panasis microscope. Results: Regarding raw bovine bone, the average elastic modulus was 30.515 ± 6,769 GPa, while the average hardness was 0.5683 ± 0.211 GPa. When it comes to boiled bone corresponding values were 22.298 ± 7.0303 GPa and 0.408 ± 0.199 GPa, respectively. The values for investigated parameters were significantly higher ( p < 0.05) in raw bone specimens. Elastic modulus significantly correlated with hardness ( p < 0.05). EDX analysis revealed significant decrease in wt% of oxygen in boiled samples ( p < 0.05) No significant differences could be observed in SEM images particularly when analysing in smaller magnifications. Using higher magnification, additional branching of the existing voids as well as discrete reorganization and smoother edges of nutrient canals could be observed. The surface of boiled specimens was without the presence of crusts and layering, and no microscopical evidence of structural damage could be observed. Conclusions: This study provides detailed analysis of hardness, elastic modulus of raw and cooked bovine bone and their relation and changes during exposure to temperature. These results of elastic moduli and hardness could be comparable to similar studies of bovine and human bone tissue, but the careful analysis of experimental design, type of the bone as well as limitations of the employed techniques must be carried out before interpolation of the results to other theoretical, clinical, biomaterial and archeological studies.
20
Content available Analysis of fatigue loads of the knee joint during gait
Stępniewski Andrzej
Acta of Bioengineering and Biomechanics
|
2019
|
Vol. 21, no. 3
159--167
EN
The aim of the work was to show that the fatigue load of bone tissue causes permanent structural changes in it. Methods: On the basis of the movie recording of gait, the time courses of angular changes in the joints of the lower limb were determined. Using the method of transforming Denavit–Hartenberg coordinate systems, the course of force loading the hip joint and, after that, the course of normal contact reaction of the femoral head of the knee joint during gait for the support phase were determined. On the basis of the Hertz formula, the course of contact stresses in the femoral joint head and the damage coefficient were determined according to the Palmgren–Miner damage accumulation hypothesis. Results: A calculation example was made using own software. The course of the obtained damage factor was compared to the image fixed in the X-ray image after its appropriate processing. The thesis of the work has been confirmed to a satisfactory degree. Conclusions: The nature of the lesions is similar to the image of structural changes in the head of the joint. It should be assumed that the image fixed in the bone is the result of the stored history of loads. Analysis of the obtained image can be used to determine the state of bone strength.
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