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- Publikacje 162 wyników po odfiltrowaniu
- Czasopisma 30 wyników po odfiltrowaniu
- Osoby 10 wyników po odfiltrowaniu
- Projekty 3 wyników po odfiltrowaniu
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Wyniki wyszukiwania dla: BIOMATERIAŁY DENTYSTYCZNE
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Biotechnologiczne przetwarzanie keratyny oraz jej wykorzystanie
PublikacjaW pracy przedstawiono metody przetwarzania pierza obejmujące procesy hydrolizy enzymatycznej. Uciążliwy produkt uboczny przemysłu drobiarskiego może być zastosowany do produkcji biokompozytów, biomateriałów, jako nawóz organiczny oraz pasza dla zwierząt.
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The determinants of morphology and properties of the nanohydroxyapatite coating deposited on the Ti13Zr13Nb alloy by electrophoretic techniqe
PublikacjaThe titanium and its alloys belong at present to the most preferred and commonly applied biomaterials for load- bearing implants. The surfaces of biomaterials are subjected to modification, including the hydroxyapatite coatings deposited in order to ensure corrosion resistance and better joining between an implant and a bone through the possibility of ingrowth bone into the coating. In this paper, the morphology and properties...
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A Simple Replica Method as the Way to Obtain a Morphologically and Mechanically Bone-like Iron-Based Biodegradable Material
PublikacjaPorous iron-based scaffolds were prepared by the simple replica method using polyurethane foam as a template and applying the sintering process in a tube furnace. Their surface morphology was characterized using scanning electron microscopy (SEM) and phase homogeneity was confirmed using X-ray diffraction (XRD). Corrosion behavior was determined using immersion and potentiodynamic polarization methods in phosphate buffered saline...
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Noc Innowacji na Politechnice Gdańskiej
WydarzeniaNowoczesne technologie w medycynie; www.facebook.com/PolitechnikaOtwarta – transmisja na żywo, z możliwością zadawania pytań w komentarzach.
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Immobilized biocatalysts - useful tool for industrial processes
PublikacjaThe main goal of biomaterials immobilization is the industrial re-use of them for many reaction cycles. However, application of this technolgoy for full commercialization requires more experiments in this field. In this study thermostable beta-galactosidases from Ptrococcus woesei and Meiothermus ruber were taken as model proteins immobilized in alginate gel.
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Review: synthetic polymer hydrogels for biomedical applications
PublikacjaSynthetic polymer hydrogels constitute a group of biomaterials, used in numerous biomedical disciplines, and are still developing for new promising applications. The aim of this study is to review information about well known and the newest hydrogels, show the importance of water uptake and cross-linking type and classify them in accordance with their chemical structure.
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Poloxamer: A versatile tri-block copolymer for biomedical applications
PublikacjaPoloxamers, also called Pluronic, belong to a unique class of synthetic tri-block copolymers containing central hydrophobic chains of poly(propylene oxide) sandwiched between two hydrophilic chains of poly(ethylene oxide). Some chemical characteristics of poloxamers such as temperature-dependent self-assembly and thermo-reversible behavior along with biocompatibility and physiochemical properties make poloxamer-based biomaterials...
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Antibacterial evaluation of bioactive modifiers of bone cements: antibiotics, nanometals and chitosan
PublikacjaModern biomaterials in addition to their basic tasks, can serve as carriers of active substance. The release of a bioactive particles allows to locally fight infection or its prevent it. Bone cements additionally to their basic applications in orthopedic surgery can also serve to deliver locally active substances. Currently, only antibiotics are routinely used as modifiers for bone cements. Bioactive bone cements constitute...
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Ilona Kołodziejska prof. dr hab. inż.
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Wpływ implantacji jonowej na wybrane właściwości użytkowe stopu Ti-13Nb-13Zr w aspekcie zastosowania na elementy trące w endoprotezach stawu biodrowego
PublikacjaOgraniczeniem stosowania stopów tytanu na implanty długookresowe, które podlegają obciążeniom zmiennym jest, oprócz zjawiska metalozy, ich stosunkowo niska odporność na zużycie poprzez tarcie. Zachodzące procesy zużycia tribologicznego na powierzchniach współpracujących elementów pary trącej ograniczają żywotność sztucznych stawów, co najczęściej jest przyczyną operacji rewizyjnych, wskutek obluzowania się elementów nośnych endoprotezy...
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The effect of chitosan/TiO2/hyaluronic acid subphase on the behaviour of 1,2-dioleoyl-sn-glycero-3-phosphocholine membrane
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Electrostatic self-assembly approach in the deposition of bio-functional chitosan-based layers enriched with caffeic acid on Ti-6Al-7Nb alloys by alternate immersion
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Nanosilver-loaded PMMA bone cement doped with different bioactive glasses – evaluation of cytocompatibility, antibacterial activity, and mechanical properties
PublikacjaNanosilver-loaded PMMA bone cement (BC-AgNp) is a novel cement developed as a replacement for conventional cements. Despite favorable properties and antibacterial activity, BC-AgNp still lacks biodegradability and bioactivity. Hence, we investigated the doping with bioactive glasses (BGs) to create a new bioactive BC characterized by time-varying porosity and gradual release of nanosilver. The BC Cemex was used as the base material...
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Green porous benzamide-like nanomembranes for hazardous cations detection, separation, and concentration adjustment
PublikacjaGreen biomaterials play a crucial role in the diagnosis and treatment of diseases as well as health-related problem-solving. Typically, biocompatibility, biodegradability, and mechanical strength are requirements centered on biomaterial engineering. However, in-hospital therapeutics require an elaborated synthesis of hybrid and complex nanomaterials capable of mimicking cellular behavior. Accumulation of hazardous cations like...
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Ocena możliwości zastosowania obróbki laserowej i implantacji jonowej stopów metali na implant stawu kolanowego
PublikacjaZagadnieniem podjętym w niniejszym referacie jest zmodyfikowanie warstwy wierzchniej stopu tytanu Ti6Al4V przeznaczonego na implanty. Autor opisuje metody modyfikacji powierzchni w wyniki nakładania warstwy węglowej metodą PA CVD (ang. Plasma Assisted Chemical Vapour Deposition) oraz warstwy hydroksyapatytu metodą zol-żel i elektrochemiczną. Badania zostały przeprowadzone w laboratoriach Zakładu Biomateriałów, Katedry Inżynierii...
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Green and sustainable hydrogels based on quaternized chitosan to enhance wound healing
PublikacjaHydrogel-based biomaterials applied as wound dressings provide the wound with a moist environment, which facilitates tissue regeneration through granulation and re-epithelialization. The inherent flexibility and adjustable architecture of hydrogels enables incorporation of cells, antimicrobial drugs, growth factors, and bioactive compounds, which leads to expediting wound contraction and enhancing the regeneration process. The...
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Hanna Staroszczyk dr hab. inż.
OsobyAbsolwentka Wydziału Inżynierii i Technologii Chemicznej Politechniki Krakowskiej, od 2007 roku pracuje w Katedrze Chemii, Technologii i Biotechnologii Żywności Wydziału Chemicznego Politechniki Gdańskiej. Pracowała w Politechnice Krakowskiej, Akademii Rolniczej w Krakowie, Institute of Food Research w Norwich, Academia Sinica w Tajpej oraz University of Arkansas w Fayetteville. W 2013 roku uzyskała stopień doktora habilitowanego...
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ARGENTUM Injectable nanocomposite for an instantaneous fixation of titanium implants in a bone with effective antibacterial properties
ProjektyProjekt realizowany w Zakład Technologii Biomateriałów zgodnie z porozumieniem DEC-38/2020/IDUB/I.3.3 z dnia 2020-11-17
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Biomaterials processing and testing methods 2022/23
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Polysaccharide-based Nanocomposites for Biomedical Applications: A Critical Review
PublikacjaPolysaccharides (PSA) are taking specific position among biomaterials for advanced applications in medicine. Nevertheless, poor mechanical properties is known as the main drawback of PSA, which highlights need for PSA modification. Nanocomposites PSA (NPSA) are a class of biomaterials widely used as biomedical platforms, but despite their importance and worldwide use have not been reviewed. Herein we critically reviewed application...
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Biomateriały /lab/ 2023/24, IMM, I st., sem.05
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TEMKO Technologia projektowania i wytwarzania metalowych podbudów pod korony dentystyczne przez selektywne przetapianie laserem proszku stopu Ti13Zr13Nb
ProjektyProjekt realizowany w Katedra Inżynierii Materiałowej i Spajania zgodnie z porozumieniem TANGO1/266396/NCBR/2015 z dnia 2015-05-14
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Bacterial nanocellulose as a microbiological derived nanomaterial
PublikacjaBacterial nanocellulose (BNC) is a nanofibrilar polymer produced by strains such as Gluconacetobacter xylinus, one of the best bacterial species which given the highest efficiency in cellulose production. Bacterial cellulose is a biomaterial having unique properties such as: chemical purity, good mechanical strength, high flexibility, high absorbency, possibility of forming any shape and size and many others. Such a large number...
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Effect of GO-Fe3O4 and rotating magnetic field on cellular metabolic activity of mammalian cells
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Isolation and characterization of Acid Soluble Collagen from the Skin of African Catfish (Clarias gariepinus), Salmon (Salmo salar) and Baltic cod (Gadus morhua)
PublikacjaAcid-soluble collagen (ASC) from the fish skin of African catfish (Clarias gariepinus), Salmon (Salmo salar) and Baltic cod (Gadus morhua) was extracted and characterized. The ASC extraction yield was 75%, 73% and 68%, respectively. The denaturation and melting temperatures of African catfish ASC (29.3°C and 100.0°C) were significantly higher than ASC of Salmon and Baltic cod (20.6°C and 90.5°C; 15.2°C and 86.7°C, respectively), assessed...
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Physical, Chemical and Mechanical Properties of Novel Poly(Urethaneamideimide)s
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Determination of Stent Load Conditions in New Zealand White Rabbit Urethra
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Synthesis, physical properties and preliminary investigation of hemocompa-tibility of polyurethanes from aliphatic resources with castor oil participation
PublikacjaWykonano syntezy PUR z oligoeterodiolu, dioli małocząsteczkowych, oleju rycynowego i 4,4´diizocyjanianudicykloheksylometanu. Oznaczono właściwości mechaniczne PUR, kąty zwilżania i napięcie powierzchniowe. Opisano wstępne badania zgodności PUR z ludzką krwią oraz kalcyfikacji powierzchni PUR w warunkach statycznych in vitro. Napięcie powierzchniowe otrzymanych PUR jest zbliżone do napięcia powierzchniowego naturalnych powierzchni...
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Biomateriały /lab/ 2021/22, IM, I st., sem.05, PG_00039732
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Biomateriały /lab/ 2021/22, WETI, I st., sem.04, PG_00047798
Kursy Online -
Biomateriały /lab/ 2023/24, WETI, I st., sem.04, PG_00047798
Kursy Online -
Progress in ATRP-derived materials for biomedical applications
PublikacjaThe continuing wave of technological breakthroughs and advances is critical for engineering well- defined materials, particularly biomaterials, with tailored microstructure and properties. Over the last few decades, controlled radical polymerization (CRP) has become a very promising option for the synthesis of precise polymeric materials with an unprecedented degree of control over mo lecular architecture. Atom transfer radical...
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VI Ogólnopolska Konferencja IMPLANTY 2024
WydarzeniaIMPLANTY 2024: Interdyscyplinarność w tworzeniu biomateriałów - czyli najnowsze doniesienia naukowe z obszaru: ortopedii, kardiochirurgii, inżynierii tkankowej, inżynierii twarzowo-szczękowej i stomatologicznej, biomechaniki, aparatury medycznej. Grupa docelowa pracownicy naukowi, lekarze-implantolodzy, producenci...
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URANIUM Nanotechnologia w inżynierii biomateriałów - nawiązanie współpracy z techniczną szkołą średnią w Lęborku
ProjektyProjekt realizowany w Zakład Technologii Biomateriałów zgodnie z porozumieniem DEC-15/URANIUM2022 z dnia 2022-03-15
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Reactions on the surface of the implant under the influence of biofilm
PublikacjaThe contact of a biomaterial with the biological environment in in vitro and in vivo tests leads to the production of a particular ecosystem in which the active roles perform both, the material surface and the extracellular matrix protein forming a biofilm. Proteins affect cell and bacteria adhesion processes, biological activity of cells and activation of inflammatory response.The knowledge of the reaction mechanisms active on...
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The effect of Sr and Mg substitutions on structure, mechanical properties and solubility of fluorapatite ceramics for biomedical applications
PublikacjaIonic substitutions play important role in the modifications of biological apatites. Recently, attention has been focused on the co-doping effects on the functional properties of apatite-based biomaterials. In this research work, the dense samples of fluorapatites, Ca10(PO4)6F2 and Ca8MgSr(PO4)6F2, were produced after sintering at 1250 °C for 6 h in air. Structural characterization carried out with XRD, IR, Raman and SEM, confirmed...
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Biomaterials, L, DaPE, sem. 06, summer 22/23 (PG_00053714)
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Production and Properties of the Porous Layer Obtained by the Electrochemical Method on the Surface of Austenitic Steel
Publikacja: The growing demand for implants has seen increasing interest in the introduction of new technologies and surface modification methods of metal biomaterials. This research aimed to produce and characterize a porous layer grown on austenitic stainless steel 316L, obtained via the anodization process near the micro-arc oxidation, i.e., low voltage micro-arc oxidation (LVMAO). The discussed layer significantly influences the properties...
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Technologie wytwarzania biomateriałów, IMM, UMIiB, Ist., sem.6
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REVIEW OF CURRENT RESEARCH ON CHITOSAN AS A RAW MATERIAL IN THREE-DIMENSIONAL PRINTING TECHNOLOGY IN BIOMEDICAL APPLICATIONS
PublikacjaThree-dimensional (3D) biomaterial manufacturing strategies show an extraordinary driving force for the development of innovative solutions in the biomedical sector, including drug delivery systems, disease modelling and tissue and organ engineering. Due to its remarkable and promising biological and structural properties, chitosan has been widely studied for decades in several potential applications in the biomedical field. However,...
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Evaluation of Three Peptide Immobilization Techniques on a QCM Surface Related to Acetaldehyde Responses in the Gas Phase
PublikacjaThe quartz-crystal microbalance is a sensitive and universal tool for measuring concentrations of various gases in the air. Biochemical functionalization of the QCM electrode allows a label-free detection of specific molecular interactions with high sensitivity and specificity. In addition, it enables a real-time determination of its kinetic rates and affinity constants. This makes QCM a versatile bioanalytical screening tool for...
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Nanotubular oxide layers and hydroxyapatite coatings on porous titanium alloy Ti13Nb13Zr
PublikacjaThe surface condition of an implant has a significant impact on response occurring at the implant-biosystem border. The knowledge of physical-chemical and biological processes allows for targeted modification of biomaterials to induce a specified response of a tissue. The present research was aimed at development of technology composing of obtaining the nanotube oxide layers on a porous titanium alloy Ti13Nb13Zr, followed by the...
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Biomedical engineering of polysaccharide-based tissue adhesives: Recent advances and future direction
PublikacjaTissue adhesives have been widely used for preventing wound leaks, sever bleeding, as well as for enhancing drug delivery and biosensing. However, only a few among suggested platforms cover the circumstances required for high-adhesion strength and biocompatibility, without toxicity. Antibacterial properties, controllable degradation, encapsulation capacity, detectability by image-guided procedures and affordable price are also...
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Perspectives on the replacement of harmful organic solvents in analytical methodologies: a framework toward the implementation of a generation of eco-friendly alternatives
PublikacjaVolatile organic solvents derived from non-renewable fossil feedstocks are commonplace in analytical laboratories. In spite of their convenient performance in countless unit operations, their environmental, health and safety issues represent a major area of concern. The progressive replacement of organic solvents obtained from fossil resources by eco-friendly alternatives would involve remarkable advances within the framework of...
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Electrodes Based on a Titanium Dioxide Nanotube–Spherical Silver Nanoparticle Composite for Sensing of Proteins
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Tissue Rheology as a Possible Complementary Procedure to Advance Histological Diagnosis of Colon Cancer
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Simvastatin Coadministration Modulates the Electrostatically Driven Incorporation of Doxorubicin into Model Lipid and Cell Membranes
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Influence of Ultrasound on the Characteristics of CaP Coatings Generated Via the Micro-arc Oxidation Process in Relation to Biomedical Engineering
PublikacjaOver the past decade, bone tissue engineering has been at the core of attention because of an increasing number of implant surgeries. The purpose of this study was to obtain coatings on titanium (Ti) implants with improved properties in terms of biomedical applications and to investigate the effect of ultrasound (US) on these properties during the micro-arc oxidation (MAO) process. The influence of various process parameters, such...
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Cu-HKUST-1 and Hydroxyapatite–The Interface of Two Worlds toward the Design of Functional Materials Dedicated to Bone Tissue Regeneration
PublikacjaA novel composite based on biocompatible hydroxyapatite (HA) nanoparticles and Cu-HKUST-1 (Cu-HKUST-1@HA) has been prepared following a layer-by-layer strategy. Cu-HKUST-1 was carefully selected from a group of four Cu-based metal−organic frameworks as the material with the most promising antimicrobial activity. The formation of a colloidal Cu- HKUST-1 layer on HA nanoparticles was confirmed by various techniques, e.g., infrared...
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The effect of dehydration/rehydration of bacterial nanocellulose on its tensile strength and physicochemical properties
PublikacjaBacterial nanocellulose (BNC) is a natural biomaterial with a wide range of biomedical applications. BNC contains 99 % of water which makes it too thick to be used as a bioimplant material. The aim of the work was to determine the effect of the BNC dehydration followed by rehydration on its mechanical and physicochemical properties, in the context of the use of BNC as bio-prostheses in the cardiovascular system. Dehydration involved the...