No (8)
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První zkušenosti s nízkonapěťovým elektronovým mikroskopem
Nebesářová, Jana
2002 - Czech
Je krátce popsán nízkonapěťový elektronový mikroskop LV EM 5 vyráběný firmou Delong Instruments a jsou prezentovány první zkušenosti s přípravou biologických preparátů pro pozorování v tomto mikroskopu. Je to unikátní přístroj, který je schopen v lékařském a biologickém výzkumu nahradit vysokonapěťový TEM. The low voltage electron microscope LV EM 5 manufactured by Delong Instruments is described and methods of preparation of biological specimens for the observation in this microscope are briefly evaluated. LV EM 5 is a unique apparatus that could replace in medical and biological research laboratories high volatage transmission electron microscopes.
Keywords:
specimen preparation; low voltage; transmission electron microscopy; elektronový mikroskop; elektrické napětí malé
Available at various institutes of the ASCR
První zkušenosti s nízkonapěťovým elektronovým mikroskopem
Je krátce popsán nízkonapěťový elektronový mikroskop LV EM 5 vyráběný firmou Delong Instruments a jsou prezentovány první zkušenosti s přípravou biologických preparátů pro pozorování v tomto ...
Electron microscopical study of embryonic envelopes in the tapeworm Proteocephalus torulosus (Cestoda: Proteocephalidea)
Bruňanská, Magdaléna; Nebesářová, Jana; Scholz, Tomáš
2002 - English
The ultrastructure of the embryonic envelopes of the cestode Proteocephalus torulosus (Batsch, 1786), a parasite of cyprinid fish, was examined by transmission electron microscopy.
Keywords:
embryonic envelopes; Cestoda; Proteocephalus; užitá grafika; elektronová mikroskopie
Available at various institutes of the ASCR
Electron microscopical study of embryonic envelopes in the tapeworm Proteocephalus torulosus (Cestoda: Proteocephalidea)
The ultrastructure of the embryonic envelopes of the cestode Proteocephalus torulosus (Batsch, 1786), a parasite of cyprinid fish, was examined by transmission electron microscopy.
Observation of biological material in low voltage transmission electron microscope
Vancová, Marie; Nebesářová, Jana
2002 - English
Different methods of specimen preparation for low voltage transmission electron microscopy (LVEM) were evaluated. The contrast of the image in LVEM, contrary to high voltage TEM, is strongly influenced by the thickness of the specimen. The resin embedding media used and the process of sectioning employed contributed to image quality and resolution.
Keywords:
low voltage; transmission electron microscopy; biological material; elektronová mikroskopie; elektrické napětí vysoké
Available at various institutes of the ASCR
Observation of biological material in low voltage transmission electron microscope
Different methods of specimen preparation for low voltage transmission electron microscopy (LVEM) were evaluated. The contrast of the image in LVEM, contrary to high voltage TEM, is strongly ...
Comparison of the cell structure of tissues prepared by different methods for transmission electron microscopy
Vancová, Marie; Nebesářová, Jana
2002 - English
The aim of this work is to show how methods which are able to retain antigenicity of tissues can influence the structural appearance of the specimen. We compared the ultrastructure of tissues conventionally embedded in hydrophobic epoxides, with tissues embedded in hydrophilic acrylic resins (polymerized by heat or UV light) and cryo-sections.
Keywords:
cell; ultrastructure; transmission electron microscopy; elektronová mikroskopie; tkáně
Available at various institutes of the ASCR
Comparison of the cell structure of tissues prepared by different methods for transmission electron microscopy
The aim of this work is to show how methods which are able to retain antigenicity of tissues can influence the structural appearance of the specimen. We compared the ultrastructure of tissues ...
The first experience with the specimen preparation for low-voltage transmission electron microscope
Nebesářová, Jana; Vancová, Marie
2002 - English
The low-voltage transmission electron microscope, working in the TEM mode, requires ultrathin sections with a thickness 20-30nm. This demand brings problems with a section cohesion caused by insufficient resin infiltration and with a chatter caused by unequal thickness of the section. The contrast of unstained biological specimens in LV TEM is comparable with the contrast obtained in HV TEM of stained specimens.
Keywords:
specimen preparation; low-voltage transmission electron microscopy; elektrické napětí malé; elektronová mikroskopie
Available at various institutes of the ASCR
The first experience with the specimen preparation for low-voltage transmission electron microscope
The low-voltage transmission electron microscope, working in the TEM mode, requires ultrathin sections with a thickness 20-30nm. This demand brings problems with a section cohesion caused by ...
Parazitičtí prvoci v pitných vodách a možnosti jejich stanovení
Ditrich, Oleg; Dolejš, P.; Půžová, G.; Machulda, T.
1998 - Czech
Keywords:
pitná voda; voda
Available at various institutes of the ASCR
Parazitičtí prvoci v pitných vodách a možnosti jejich stanovení
Sledování výskytu Giardia Intestinalis a Cryptosporidium parvum ve zdrojích pitných vod
Dolejš, P.; Ditrich, Oleg; Kalousková, N.; Machula, T.; Půžová, G.
1998 - Czech
Keywords:
zdroje; biologie
Available at various institutes of the ASCR
Sledování výskytu Giardia Intestinalis a Cryptosporidium parvum ve zdrojích pitných vod
Strategies of microsporidial evasion of macrophage killing
Ditrich, Oleg; Cross, M. F.; Jones, J.; Hensel, J.; Enriquez, F. J.
1997 - English
Keywords:
cryptosporidiosis; microsporidiosis; pacienti; daňový únik
Available at various institutes of the ASCR
Strategies of microsporidial evasion of macrophage killing
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