Zobrazeno 1 - 10
of 164
pro vyhledávání: '"Ivan Buchvarov"'
Autor:
Albena Daskalova, Matthias Ahlhelm, Liliya Angelova, Emil Filipov, Georgi Avdeev, Dragomir Tatchev, Maria-Helena Fernandes, Sanjana Vig, Ivan Buchvarov
Publikováno v:
Frontiers in Cell and Developmental Biology, Vol 12 (2024)
Bone substitutes are widely employed for applications in orthopedic surgery for the replacement of injured bone. Among the diverse methods that are used to design 3D bioceramic matrices, Freeze Foaming has gained attention, since it provides the abil
Externí odkaz:
https://doaj.org/article/869da62306ad4e7aa5bb66e001ae08c2
Autor:
Dante Maria Aceti, Emil Filipov, Liliya Angelova, Lamborghini Sotelo, Tommaso Fontanot, Peyman Yousefi, Silke Christiansen, Gerd Leuchs, Stanislav Stanimirov, Anton Trifonov, Ivan Buchvarov, Albena Daskalova
Publikováno v:
Materials, Vol 15, Iss 13, p 4670 (2022)
Ultra-short laser (USL)-induced surface structuring combined with nanoparticles synthesis by multiphoton photoreduction represents a novel single-step approach for commercially pure titanium (cp-Ti) surface enhancement. Such a combination leads to th
Externí odkaz:
https://doaj.org/article/29d20442b64242f69cb48f74a6508a50
Autor:
Emil Filipov, Liliya Angelova, Sanjana Vig, Maria Helena Fernandes, Gerard Moreau, Marie Lasgorceix, Ivan Buchvarov, Albena Daskalova
Publikováno v:
Polymers, Vol 14, Iss 12, p 2382 (2022)
Developing antimicrobial surfaces that combat implant-associated infections while promoting host cell response is a key strategy for improving current therapies for orthopaedic injuries. In this paper, we present the application of ultra-short laser
Externí odkaz:
https://doaj.org/article/c0bb559cddcf4d4e8ade1d9388732dd4
Autor:
Liliya Angelova, Albena Daskalova, Emil Filipov, Xavier Monforte Vila, Janine Tomasch, Georgi Avdeev, Andreas H. Teuschl-Woller, Ivan Buchvarov
Publikováno v:
Polymers, Vol 14, Iss 13, p 2584 (2022)
Temporary scaffolds that mimic the extracellular matrix’s structure and provide a stable substratum for the natural growth of cells are an innovative trend in the field of tissue engineering. The aim of this study is to obtain and design porous 2D
Externí odkaz:
https://doaj.org/article/44242f33636641fc99ffced55922a4fa
Autor:
Albena Daskalova, Emil Filipov, Liliya Angelova, Radostin Stefanov, Dragomir Tatchev, Georgi Avdeev, Lamborghini Sotelo, Silke Christiansen, George Sarau, Gerd Leuchs, Ekaterina Iordanova, Ivan Buchvarov
Publikováno v:
Materials, Vol 14, Iss 24, p 7513 (2021)
The use of laser processing for the creation of diverse morphological patterns onto the surface of polymer scaffolds represents a method for overcoming bacterial biofilm formation and inducing enhanced cellular dynamics. We have investigated the infl
Externí odkaz:
https://doaj.org/article/dd7c489d096a4b9b841cac2faa8cafd4
Autor:
Albena Daskalova, Liliya Angelova, Emil Filipov, Dante Aceti, Rosica Mincheva, Xavier Carrete, Halima Kerdjoudj, Marie Dubus, Julie Chevrier, Anton Trifonov, Ivan Buchvarov
Publikováno v:
Polymers, Vol 13, Iss 15, p 2577 (2021)
The influence of ultra-short laser modification on the surface morphology and possible chemical alteration of poly-lactic acid (PLA) matrix in respect to the optimization of cellular and antibacterial behavior were investigated in this study. Scannin
Externí odkaz:
https://doaj.org/article/b3efeb72900845c4a6a611b07af8fb3b
Autor:
Albena Daskalova, Liliya Angelova, Anton Trifonov, Marie Lasgorceix, Stephane Hocquet, Mendy Minne, Heidi Declercq, Anne Leriche, Dante Aceti, Ivan Buchvarov
Publikováno v:
Applied Sciences, Vol 11, Iss 6, p 2565 (2021)
Reconstruction of bone tissue defects is a problematic area of the modern world. Temporary “platforms” of various materials for improving cell adhesion and proliferation have been extensively researched in recent decades. β-tricalcium phosphate
Externí odkaz:
https://doaj.org/article/0b091843c98a4948a4ab3d8a9f81dcb8
Autor:
Bozhidar Oreshkov, Stefano Veronesi, Mauro Tonelli, Alberto di Lieto, Valentin Petrov, Uwe Griebner, Xavier Mateos, Ivan Buchvarov
Publikováno v:
IEEE Photonics Journal, Vol 7, Iss 3, Pp 1-6 (2015)
We demonstrate efficient passively Q-switched laser operation, based on $\hbox{Tm}^{3+}\hbox{:LiGdF}_{4}$ and $\hbox{Cr}^{2+} $:ZnSe, as active medium and saturable absorber, respectively. The polarized emission was centered at 1876 nm, with pulse pa
Externí odkaz:
https://doaj.org/article/da9e1923476d4107b35a1c78f16ea913
Autor:
Albena Daskalova, Irina Bliznakova, Liliya Angelova, Anton Trifonov, Heidi Declercq, Ivan Buchvarov
Publikováno v:
Polymers, Vol 11, Iss 2, p 378 (2019)
Surface functionalization introduced by precisely-defined surface structures depended on the surface texture and quality. Laser treatment is an advanced, non-contact technique for improving the biomaterials surface characteristics. In this study, fem
Externí odkaz:
https://doaj.org/article/fdeb011924004777b1295ee46f329606
Multi-millijoule class, high repetition rate, Yb:CALYO regenerative amplifier with sub-130 fs pulses
Autor:
Lyuben S. Petrov, Kaloyan Georgiev, Dimitar Velkov, Anton Trifonov, Xiaodong Xu, Tenio Popmintchev, Ivan Buchvarov
Publikováno v:
Optics Express. 31:18765
We demonstrate a high-energy, 1 kilohertz, Yb-based, femtosecond regenerative amplifier in a chirped pulse amplification (CPA) architecture by using a single disordered Yb:CALYO crystal, providing 125 fs pulses of 2.3 mJ energy per pulse at a central