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Wyszukujesz frazę "stage 5" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Vitrectomy in stage 5 retinopathy of prematurity - surgical and functional results of 1000 vitrectomies
Autorzy:
Prost, Marek Edmund
Powiązania:
https://bibliotekanauki.pl/articles/2040449.pdf
Data publikacji:
2021-06-23
Wydawca:
Medical Education
Tematy:
retinopathy of prematurity
stage 5
vitrectomy
surgical outcomes
functional results
Opis:
Despite improvements in neonatal care, retinopathy of prematurity is still leading cause of blindness in the world. The most treatment problems pose stage 4 and 5 of this disease. Performing vitrectomy in stage 5 is a subject of controversy among ophthalmologists due to unsatisfactory functional results after the surgery. Therefore, our aim was to present the results of 1000 vitrectomies performed by the author in years 1994–2019 in 1018 eyes of 692 children with stage 5 retinopathy of prematurity. In these children lens sparing vitrectomies and lensectomy-vitrectomy with limbal approach were performed. The results were compared with visual function of 127 untreated children with stage 5 retinopathy of prematurity. Visual acuity of treated patients ranged from 0.05 to no light perception in stage 5 and from no light perception to finger counting in the untreated group. Comparing the functional results of treated and untreated patients, it can be concluded that vitrectomy gives a better chance of gaining useful vision.
Źródło:
OphthaTherapy; 2021, 8, 2; 108-113
2353-7175
2543-9987
Pojawia się w:
OphthaTherapy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Meteoryt Święcany
Święcany meteorite
Autorzy:
Karwowski, Łukasz
Badur, Łukasz
Mazur, Marcin
Powiązania:
https://bibliotekanauki.pl/articles/1032662.pdf
Data publikacji:
2009
Wydawca:
Polskie Towarzystwo Meteorytowe
Tematy:
meteorites
new polish chondrite L 4-5
schock stage s2
warthering stage w3
Święcany meteorite
Opis:
The new Polish meteorite Święcany represents an old fall. It was found in 2004 in the Podkarpacie region, at Święcany village, commune Skołyszyn, district Jasło. The coordinates of this find are: φ = 49°47'29"N; λ = 21°15'28"E; or „1992”, x= 216194,11, y= 662339,76. It was found by 12 year old Katarzyna Depczyńska on the village gravel road. Probable primary mass is ca. 8 g. The present mass is 6.62 g., and one polished thin section. The classification: ordinary chondrite L4-5, weathering stage w3, shock stage s2.
Źródło:
Acta Societatis Metheoriticae Polonorum; 2009, 1; 44-47
2080-5497
Pojawia się w:
Acta Societatis Metheoriticae Polonorum
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Downregulation of chloroplast protease AtDeg5 leads to changes in chronological progression of ontogenetic stages, leaf morphology and chloroplast ultrastructure in Arabidopsis
Autorzy:
Baranek, M.
Wyka, T.P.
Jackowski, G.
Powiązania:
https://bibliotekanauki.pl/articles/57852.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
chloroplast protease
AtDeg5 protease
chronological progression
ontogenetic stage
leaf morphology
chloroplast ultrastructure
Arabidopsis
starch grain
Opis:
The chloroplast protein AtDeg5 is a serine-type protease peripherally attached to thylakoid membrane at its lumenal side. Since reliable data regarding the role of AtDeg5 in controlling the course of growth and developmental processes are extremely limited, two independent T-DNA insertional lines with different extent of AtDeg5 reduction were prepared and ontogenesis stage-based analysis performed. Both mutant lines displayed a compensatory overaccumulation of AtDeg8. The repression of AtDeg5 protease altered a range of phenotypic features in at least one of the mutants, with the most prominent being changes in chronological progression of development and growth of individual rosette leaves, flower production and silique ripening as well as in the area of fully expanded leaves and chloroplast ultrastructure. By analyzing the results of parallel-mutant screening we conclude that AtDeg8 overdose may rescue 23% of AtDeg5 deficiency with regard to some AtDeg5-controlled traits; alternatively AtDeg5 may have catalytic sites in excess so that these traits might remain unaltered when AtDeg5 pool is reduced by 23%. For some other AtDeg5-dependent traits the absence of excessive amount of AtDeg5 catalytic sites, lack of AtDeg5 dosage effect and inability of AtDeg8 to compensate deficiency or absence of AtDeg5 occurred.
Źródło:
Acta Societatis Botanicorum Poloniae; 2015, 84, 1
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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