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Wyświetlanie 1-15 z 21
Tytuł:
Optimized protocol of anesthesia in large experimental model of transgenic pigs for treatment of cartilage injuries with new generation biomaterials and cell-based grafts in vivo
Autorzy:
Wieczorek, J.
Jura, J.
Mierzwiński, M.
Ficek, K.
Kuźma, A.
Powiązania:
https://bibliotekanauki.pl/articles/285461.pdf
Data publikacji:
2018
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
cartilage
biomaterials
treatment
Źródło:
Engineering of Biomaterials; 2018, 21, 148; 55
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Szczepy rosnące w drzewostanie sosny zwyczajnej (Pinus sylvestris L.)
Grafts growing in the Scotch pine (Pinus sylvestris L.) stand
Autorzy:
Wesoly, W.
Pazdrowski, W.
Buczma, D.
Powiązania:
https://bibliotekanauki.pl/articles/791510.pdf
Data publikacji:
2013
Wydawca:
Wyższa Szkoła Zarządzania Środowiskiem w Tucholi
Źródło:
Zarządzanie Ochroną Przyrody w Lasach; 2013, 07
2081-1438
2391-4106
Pojawia się w:
Zarządzanie Ochroną Przyrody w Lasach
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ warunków oświetlenia wewnątrz pączków na zawartość endogennych substancji giberelinopodobnych u szczepów sosny zwyczajnej
The influence of light conditions inside buds on the content of endogenous gibberellin-like substances in grafts of Scots pine
Autorzy:
Wesoly, W.
Powiązania:
https://bibliotekanauki.pl/articles/818949.pdf
Data publikacji:
1987
Wydawca:
Polskie Towarzystwo Leśne
Źródło:
Sylwan; 1987, 131, 01
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of rootstock and grafting method on the grafts success and growth of Cedrus deodara (Roxb. ex Lamb.) ‘Karl Fuchs’ plants
Autorzy:
Świerczyński, S.
Kolasiński, M.
Urbaniak, M.
Stachowiak, A.
Rybus-Zając, M.
Powiązania:
https://bibliotekanauki.pl/articles/12309651.pdf
Data publikacji:
2019
Wydawca:
Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
Tematy:
deodar cedar
Cedrus deodara
Karl Fuchs cultivar
plant cultivar
Larix decidua
Pinus armandii
rootstock
rootstock influence
grafting
grafting method
graft survival
plant propagation
sprout
bud
carotenoid content
chlorophyll content
chloroplast pigment content
Opis:
Experimental studies were conducted in 2015–2017 in the Department of Dendrology, Pomology and Nursery of Poznan University of Life Sciences. The aim of the research was to study the usefulness of three rootstocks: Larix decidua, Pinus armandii, Cedrus deodara and two grafting methods: side grafting and split grafting for propagation purposes of Cedrus deodara ‘Karl Fuchs’. In addition, it was evaluated how the rootstock and the age of cultivar shoots influenced the level of chloroplast pigments in the needles. A higher percentage of grafts success was obtained on Pinus armandii and Cedrus deodara using the side grafting method. Grafted scions of ‘Karl Fuchs’ produced the greatest number of lateral buds and the longest lateral increments of growth on Cedrus deodara root stock. Side grafting significantly improved the percentage of plants that restarted their growth in the second year of cultivation. The largest number of buds on two-year-old shoots were counted on plants grafted on Cedrus deodara using split grafting method. The rootstocks used in this experiment had a slight effect on the content of chloroplast pigments in the needles. Plants grafted on Pinus armandii had the highest level of chlorophyll B, and those grafted on Larix decidua – chlorophyll A/B ratio. The content of chloroplast pigments in the needles depended on the age of shoots. The highest level of chlorophyll A, chlorophyll B and carotenoids was observed when needles were collected from the last year’s growth.
Źródło:
Acta Scientiarum Polonorum. Hortorum Cultus; 2019, 18, 5; 63-72
1644-0692
Pojawia się w:
Acta Scientiarum Polonorum. Hortorum Cultus
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Czy na plantacjach nasiennych zawężamy zmienność genetyczną? Próba odpowiedzi na podstawie analiz mikrosatelitarnego DNA szczepów rosnących na plantacji nasiennej sosny zwyczajnej (Pinus sylvestris L.) z Nadleśnictwa Susz
Are we narrowing genetic variability in seed orchards? An attempt to answer, based on the analysis of microsatellite DNA of grafts growing in Scots pine (Pinus sylvestris L.) seed orchard in the Forest District Susz
Autorzy:
Przybylski, P.
Powiązania:
https://bibliotekanauki.pl/articles/1311426.pdf
Data publikacji:
2015
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
lesnictwo
hodowla lasu
plantacje nasienne
sosna zwyczajna
Pinus sylvestris
zmiennosc genetyczna
DNA mikrosatelitarny
analiza DNA
microsatellite DNA
tree breeding
seed orchard
Opis:
Scots pine (Pinus sylvestris L.) is the most common species in Poland’s forest stands. The mode of pine stands renovation requires that silviculture practitioners have continuous access to seed banks. Orchard-grown seeds are predicted to constitute an increasingly larger part of the average demand for pine seeds in Poland. Seed orchards, due to a limited number of maternal trees as well as the irregularity of their blooming and pollination, enhance the risk of genetic diversity reduction in planted forest stands. This is of particular importance in the context of dynamic climate change. Markers based on microsatellite DNA fragments are effective tools for monitoring genetic variability. In the present study, three different microsatellite DNA fragments were used: SPAC 12.5, SPAG 7.14 and SPAC 11.4. The main objective of this research was to study genetic variability in one of the biggest seed orchards in Poland, located in the Forest District Susz. The obtained results indicated heterozygosity loss within the orchard, proving the existence of specimen selection effects on genetic variability. Hence, it seems quite important to take account of molecular genetic variability of maternal trees in future breeding strategies.
Źródło:
Leśne Prace Badawcze; 2015, 76, 3; 240-249
1732-9442
2082-8926
Pojawia się w:
Leśne Prace Badawcze
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ocena stabilności zamocowania sztucznej panewki stawu biodrowego
Fixing stability assessment of artificial acetabulum of a hip joint
Autorzy:
Płomiński, J.
Watral, Z.
Michalski, A.
Sienkiewicz, J.
Powiązania:
https://bibliotekanauki.pl/articles/327444.pdf
Data publikacji:
2006
Wydawca:
Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
Tematy:
protezoplastyka rewizyjna
staw biodrowy
przeszczep kostny
panewka stawu biodrowego
revision hip arthroplasty
bone grafts
acetabulum of a hip joint
Opis:
W referacie przedstawiono problematykę stabilności zamocowania panewki sztucznego stawu biodrowego po zabiegu rewizyjnym. Wykonano badania eksperymentalne na modelach cielęcego stawu biodrowego z zacementowaną na warstwie ubitych przeszczepów kostnych panewką polietylenową. Po zacementowaniu panewki obciążano ją siłą 1kN przez 100000 cykli a następnie sprawdzano jej stabilność przykładając na jej krawędź siłę ścinającą. Badano wpływ grubości warstwy przeszczepów oraz kierunku działania siły obciążającej na stabilność panewki.
The paper deals with the problem of stability of artificial acetabulum after revision hip arthroplasty. Experimental tests on calf joint with artificial acetabulum cemented into it were performed. Cemented acetabulum was subjected to a cyclic load of 1 kN through 100000 cycles and then the fixing stability was verified by applying a shearing force to its edge. The influence of thickness of bone grafts layer and the direction of loading force on the overall stability was investigated.
Źródło:
Diagnostyka; 2006, 3(39); 245-252
1641-6414
2449-5220
Pojawia się w:
Diagnostyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Flowering and cone bearing of Picea abies grafts in second-generation seed orchards
Autorzy:
Misiorny, A
Chalupka, W.
Powiązania:
https://bibliotekanauki.pl/articles/41542.pdf
Data publikacji:
2006
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
Norway spruce
Picea abies
cone yield
seed production
flowering
seed orchard
Opis:
In 2004, abundant flowering of Norway spruce (Picea abies (L.) Karst.) was observed in two second- generation seed orchards: (1) ‘Outbreeding’, promoting crossing between clones of five geographically distant populations; and (2) ‘Kolonowskie’, restoring a population whose offspring exists only in an international experiment (IUFRO 1964/1968). In bothseed orchards, female strobili were produced by 91.3% and 91.7% of clones, represented by 64.1% and 55.5% of grafts, respectively, and statistically significant differences between clones were found in the number of mature cones. In the case of the seed orchard ‘Outbreeding’, the number of mature cones in individual clones was significantly correlated with latitude of the origin of maternal populations (r = 0.8826, p = 0.0470). The majority (95%) of cones in seed orchards ‘Outbreeding’ and ‘Kolonowskie’ were produced by only 28.2% and 38.5% of all clones, and 21.4% and 25.7% of all grafts, respectively. These data attest to a disparity between the level of genetic diversity in seed orchard progeny resulting from the observed numbers of cone-bearing clones and grafts and the genetic diversity expected from the actual participation of clones and grafts in seed orchard composition. The estimated seed production per 1 ha of seed orchard area in 2004 reached 21.05 kg for ‘Outbreeding’ and 21.72 kg for ‘Kolonowskie’.
Źródło:
Dendrobiology; 2006, 56; 51-59
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wzrost szczepów wiązu górskiego (Ulmus glabra Huds.) w archiwum klonów w Nadleśnictwie Bielsk
Growth of Ulmus glabra Huds. grafts in the clone archive in Bielsk Forest District
Autorzy:
Mioduszewski, S.
Korczyk, A.F.
Powiązania:
https://bibliotekanauki.pl/articles/1339852.pdf
Data publikacji:
2013
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
lesnictwo
drzewa lesne
ochrona zasobow genowych
wiaz gorski
Ulmus glabra
rozmnazanie roslin
rozmnazanie wegetatywne
klony
wzrost roslin
jakosc hodowlana
Nadlesnictwo Bielsk
vegetative progeny
clone archive
Ulmus glabra Huds.
Wych elm
Opis:
Vegetative progeny were obtained from 46 elms (Ulmus glabra Huds.) by grafting. These grafted trees were planted in 2009 in a clone archive in forest plot 264j in the Bielsk Forest District. After one year of growth, elm clone survival ranged from 38% to 100% (89% on average). Although all clones were of similar age and were grown under similar conditions, their average height was highly variable and ranged from 99.0 cm (clone no. 9473z) to 186.6 cm (clone no. 9645z), while average root collar diameter ranged from 8.4mm (clone no. 9473z) to 18.0 mm (clone no. 9645z). There were large differences crown architectural among the different clones, and variation in average shape of the crown was high (from 2.6 in clone no. 9655 to 3.8 in clone no. 9446z). Index breeding values determined on the standardized data for height, root collar diameter, crown shape and survival, ranged from -0.71 (clone no. 9473z) to 0.61 (clone no. 9645z). Clones from Czerwony Dwór reached a better breeding value (0.17) than clones from Gołdap (-0.0266), and variation in their average breeding values was high (0.197).
Źródło:
Leśne Prace Badawcze; 2013, 74, 2; 149-159
1732-9442
2082-8926
Pojawia się w:
Leśne Prace Badawcze
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zmienność cech morfologicznych, wiosennego pędzenia pąków i kwitnienia świerka pospolitego (Picea abies [L.] Karst.) na plantacji nasiennej w Nadleśnictwie Bielsk
Variability of morphological features, bud burst and flowering of Norway spruce (Picea abies [L.] Karst.) in the seed orchard of the Bielsk Forest Distric
Autorzy:
Mioduszewski, S.
Rzońca, M.
Powiązania:
https://bibliotekanauki.pl/articles/1311789.pdf
Data publikacji:
2015
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
lesnictwo
drzewa lesne
plantacje nasienne
swierk pospolity
Picea abies
klony
wartosc genetyczna
fenologia
wzrost roslin
rozwoj roslin
cechy morfologiczne
kwitnienie
produkcja nasienna
Norway spruce
grafts
seed production
quantitative traits
phenology
fructification
heritability
Opis:
The main aim of this paper was to characterize Norway spruce clones in terms of bud burst, flowering and morphological features. Observation and measurements were carried out in the Norway spruce seed orchard of the Bielsk Forest District in the north-eastern part of Poland. The seed orchard was established in 1989 and consists of 428 grafts of over 37 trees from the Białowieża Primeval Forest. An assessment of bud burst, stem forking, stem form, crown width, branch thickness, vitality, flowering and fructification as well as diameter measurements was done in 2013 and 2014. The results showed variability of morphological features among different clones as well as within individual clones. Differences among clones in spring bud development, stem form and branch thickness were statistically significant. Additionally, a positive correlation between male and female flowering was observed. The research also confirmed an influence of the healthiness of the grafts on seed production with trees in a weakened state producing more seeds.
Źródło:
Leśne Prace Badawcze; 2015, 76, 4; 388-400
1732-9442
2082-8926
Pojawia się w:
Leśne Prace Badawcze
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Przeciwbakteryjne właściwości protez naczyniowych modyfikowanych cefepimem
Antibacterial properties of vascular grafts modified with cefepime
Autorzy:
Miazga-Karska, M.
Ginalska, G.
Powiązania:
https://bibliotekanauki.pl/articles/284918.pdf
Data publikacji:
2007
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
protezy naczyniowe
cefepim
vascular prosthesis
cefepime
Źródło:
Engineering of Biomaterials; 2007, 10, no. 67-68; 19-20
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of gelatine-coated vascular grafts on human neutrophils
Autorzy:
Mayer, Frank
Buerger, Thomas
Halloul, Zuhir
Lippert, Hans
König, Brigitte
Tautenhahn, Joert
Powiązania:
https://bibliotekanauki.pl/articles/1394409.pdf
Data publikacji:
2015
Wydawca:
Index Copernicus International
Tematy:
biocompatibility
gelatine
vascular grafts
human neutrophils
Opis:
The aim of the study was to investigate the immune-modulatory potential of commercially available PTFE and polyester vascular grafts with and without gelatine-coating. The biomaterial-cell-interaction was characterized by changes of established parameters such as PMN-related receptors/mediators, phagocytosis potential and capacity as well as the effect of an additional plasma-dependent modulation. Material and methods. By means of a standardized experimental in vitro model, various vascular graft material (PTFE/polyester/uncoated/gelatine-coated) was used for incubation with or without plasma and co-culturing with human neutrophile granulocytes (PMN) followed by analysis of representative receptors and mediators (CD62L, CD11b, CXCR2, fMLP-R, IL-8, Elastase, LTB4 ). Oxidative burst assessed phagocytosis capacity. Results. Comparing the vascular grafts, un-coated PTFE induced the lowest magnitude of cell stimulation whereas in case of gelatine-coating, cell response exceeded those of the other vascular grafts. This was also found comparing the polyester-based prosthetic material. Gelatine-coated polyester led to a more pronounced release of elastase than gelatine- coated PTFE and the uncoated materials. The results of oxidative burst indicated a reduced phagocytosis capacity in case of gelatine-coated polyester. Plasma incubation did also provide an impact on the cellular response. While in case of gelatinecoating, PMN-related receptor stimulation became lower, it increased by native polyester. The latter one did also induce more mediators such as IL-8 and LTB4 than gelatine-coated material. Conclusions. There have been no extensive data on cell-cell interactions, cytokines and general histo-/hemocompatibility of human cells by the new generation of vascular grafts. It remains still open whether healing process and infectious resistance can be compromised by material-dependent overstimulation or reduced phagocytosis potential of the immune cells of the primary unspecific immune response induced by gelatine-coated materials.
Źródło:
Polish Journal of Surgery; 2015, 87, 9; 443-452
0032-373X
2299-2847
Pojawia się w:
Polish Journal of Surgery
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Indications and Long-term Outcomes of Open Augmentation Rhinoplasty with Autogenous L-shaped Costal Cartilage Strut Grafts – A Single Plastic Surgeon’s Experience
Autorzy:
Leach, Laura
Shamil, Eamon
Malata, Charles M
Powiązania:
https://bibliotekanauki.pl/articles/1398127.pdf
Data publikacji:
2018
Wydawca:
Index Copernicus International
Tematy:
augmentation rhinoplasty
costal cartilage grafts
autoimmune inflammatory disease
granulomatosis with polyangiitis
relapsing polychondritis
screw fixation of grafts
Opis:
Introduction: We present a single surgeon’s experience of open augmentation rhinoplasty with autogenous
L-shaped costal cartilage grafts, with long-term patient-reported outcome data. We highlight the salient operative steps and outline the peri-operative care required to optimise outcomes. Materials and Methods: A retrospective review of eleven such augmentation rhinoplasties performed between 2008 and 2016 was undertaken. Indications included saddle nose deformity [granulomatosis with polyangiitis (n=7) and relapsing polychondritis (n=1)], post-traumatic nasal collapse (n=1) and advanced cosmetic westernisation of the nose (n=2). Long-term patient-reported outcome was assessed with a patient questionnaire. Results: All patients achieved marked improvement in nasal position, shape and function. There was no cartilage exposure, warping or resorption and no recurrent deformities. One patient’s dorsal graft was fractured two years later during an ophthalmological procedure and the deformity was re-corrected successfully, again with the above technique. Average follow up was 5.2 years. Of the nine patients who responded to the follow-up questionnaire, 100% were satisfied with their nasal appearance. 100% of responders at follow-up reported that they have had no problems relating to their nose (n=9). Discussion: L-shaped costal cartilage grafts provided a reliable, reproducible approach in augmentation rhinoplasty for disparate indications (inflammatory, traumatic and cosmetic) in the hands of a low-volume operator. With careful patient selection and planning, this technique can provide pleasing aesthetic outcomes and high patient satisfaction, with good long-term outcomes.
Źródło:
Polish Journal of Otolaryngology; 2018, 72, 3; 26-32
0030-6657
2300-8423
Pojawia się w:
Polish Journal of Otolaryngology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Die-back of grafts in the clonal seed orchards of Douglas-fir (Pseudotsuga menziensii (Mirb.) Franco) in Poland and attempts at producing seedlings of this species by autovegetative propagation
Autorzy:
Kuss, M
Powiązania:
https://bibliotekanauki.pl/articles/41152.pdf
Data publikacji:
2002
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
rooting
autovegetative propagation
Polska
grafting
clonal seed orchard
seedling
Pseudotsuga menziesii
Douglas fir
vegetative propagation
Opis:
So far, experience in the existing clonal seed orchards of Douglas-fir indicates that grafts of this species are short-lived. According to research carried out in North America, incompatibility between the grafted scions and the rootstocks happens during the whole period of growth and development in clonal seed orchards of Douglas-fir. A similar phenomenon occurs in the clonal seed orchards of Douglas-fir in Poland. The extent of die-back of grafts was examined in three existing oldest units in the Forest District of Gniewkowo (founded in 1992-1993; 2.80 ha), the Forest District of Leżajsk (founded in 1995, 4.22 ha) and the Forest District of Łopuchówko (founded in 1993, 7.43 ha). In all these areas, losses due to die-back ranged from a dozen to a few dozen per cent. Die-backs in the clonal seed orchards in the Forest District of Gniewkowo and in the Forest District of Łopuchówko are now reduced to as much as about fourty per cent of grafts. Analyses of die-back in all these areas reveal great variation between individual clones, indicating its genetic basis. Research carried out so far has not demonstrated the presence of any pathogens responsible for causing the die-back in the grafts. Some hope to solve the problem mentioned above arises from attempts at autovegetative propagation of Douglas-fir.
Źródło:
Dendrobiology; 2002, 47 Supplement
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Patient-specific graft design method for cranofacial surgical planning
Autorzy:
Król, Z.
Chlebiej, M.
Zerfass, P.
Zeilhofer, H.-F.
Sader, R.
Mikołajczak, P.
Keeve, E.
Powiązania:
https://bibliotekanauki.pl/articles/332956.pdf
Data publikacji:
2002
Wydawca:
Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:
komputerowe wspomaganie operacji
planowe przecinanie kości
przeszczep autologiczny
projekt transplantacji
dopasowania środka podobieństwa
witryna dawcy
optymalizacja
computer-aided surgery
osteotomy planning
autologous grafts
transplant design
matching similarity measure
donor site
optimization
Opis:
This paper presents a method for computer assisted selection of optimal donor sites for autologous osseous grafts in the craniofacial surgery. At the initial graft design stage the surgeon defines in the CT data set the shape of the bone segment to be reconstructed and in the donor region CT data set a set of constraints for the optimization task. This non-automatic step is followed by a fully automatic optimization stage, which delivers a set of sub-optimal and optimal donor sites for a given template. Such approach permits the surgeon to find the best site for harvesting the graft and enables an exact anatomical reconstruction of the osseous section.
Źródło:
Journal of Medical Informatics & Technologies; 2002, 3; MI189-197
1642-6037
Pojawia się w:
Journal of Medical Informatics & Technologies
Dostawca treści:
Biblioteka Nauki
Artykuł
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