. "Fototrofn\u00ED deteriogeny a jejich eliminace z povrch\u016F nano\u010D\u00E1sticemi st\u0159\u00EDbra"@cs . . "Phototrophic deteriogens and their elimination from surfaces by usage of Ag-nanoparticles"@en . . . . . "\u0160kopov\u00E1, Vladim\u00EDra" . . "\u0158\u00EDhov\u00E1 Ambro\u017Eov\u00E1, Jana" . "RIV/60461373:22320/14:43897157" . . "Chemick\u00E9 listy" . "Fototrofn\u00ED deteriogeny a jejich eliminace z povrch\u016F nano\u010D\u00E1sticemi st\u0159\u00EDbra"@cs . "[C4611E4389F5]" . "22320" . . "3"^^ . . "0009-2770" . . . "17353" . . "7"^^ . "\u010Cl\u00E1nek shrnuje sou\u010Dasn\u00FD stav problematiky biodeteriozace zp\u016Fsoben\u00E9 zejm\u00E9na fototrofn\u00EDmi mikroorganismy. Fototrofn\u00ED mikroorganismy d\u00EDky sv\u00E9 metabolick\u00E9 aktivit\u011B, r\u016Fstu a \u017Eivotn\u00ED strategii zp\u016Fsobuj\u00ED po\u0161kozen\u00ED, degradaci a vegeta\u010Dn\u00ED zabarven\u00ED povrch\u016F budov. Fyzik\u00E1ln\u00ED a chemick\u00E9 parametry umoc\u0148uj\u00ED proces biodeteriorace. Spr\u00E1vn\u00E1 identifikace biodeteriogenu, ur\u010Den\u00ED f\u00E1ze kolonizace povrchu a vz\u00E1jemn\u00E9 vztahy mezi populacemi jsou z\u00E1kladem \u00FAsp\u011B\u0161n\u00E9ho pochopen\u00ED studovan\u00E9ho povrchu a tud\u00ED\u017E i vhodnou metodou o\u0161et\u0159en\u00ED a prevence povrchu staveb. Chemick\u00E9 postupy pou\u017E\u00EDvan\u00E9 p\u0159i o\u0161et\u0159ov\u00E1n\u00ED povrch\u016F vyu\u017E\u00EDvaj\u00ED v\u00EDce m\u00E9n\u011B potenci\u00E1ln\u011B \u0161kodliv\u00E9 a n\u011Bkdy i toxick\u00E9 biocidy. Pou\u017Eit\u00ED ekologicky \u0161etrn\u00FDch technologi\u00ED zalo\u017Een\u00FDch na nanotechnologi\u00EDch jsou z ekotoxikologick\u00E9ho pohledu velmi perspektivn\u00ED. P\u0159edpokladem nanotechnologie je, \u017Ee ka\u017Ed\u00FD povrch m\u00E1 sv\u00E9 specifick\u00E9 vlastnosti a tyto vlastnosti je mo\u017En\u00E9 modifikovat pou\u017Eit\u00EDm nanovrstev a nano\u010D\u00E1stic. V sou\u010Dasn\u00E9 dob\u011B se \u010Dasto pou\u017E\u00EDvaj\u00ED kovov\u00E9 nano\u010D\u00E1stice. \u010Cl\u00E1nek uv\u00E1d\u00ED toxicitu slou\u010Denin obsahuj\u00EDc\u00EDch st\u0159\u00EDbro, koloidy, \u010D\u00E1stice a ionty v\u016F\u010Di biologick\u00E9mu syst\u00E9mu. Vybran\u00E9 komer\u010Dn\u011B dostupn\u00E9 p\u0159\u00EDpravky obsahuj\u00EDc\u00ED st\u0159\u00EDbrn\u00E9 nano\u010D\u00E1stice, koloidy a ionty, byly testov\u00E1ny v ter\u00E9nu (aplikace post\u0159ikem na povrch porostl\u00FD \u0159asami a makrofyty) a v laborato\u0159i (testy toxicity). \u0158asov\u00FD test toxicity byl modifikov\u00E1n a proveden na chlorokok\u00E1ln\u00ED \u0159ase druhu Desmodesmus quadricauda Greifswald 15. P\u0159\u00EDpravky s obsahem st\u0159\u00EDbra prok\u00E1zaly vysok\u00FD \u00FA\u010Dinek eliminace na \u0159asy v roztoku i z povrchu materi\u00E1l\u016F. Kone\u010Dn\u00E1 toxicita prepar\u00E1t\u016F obsahuj\u00EDc\u00EDch st\u0159\u00EDbro je ovlivn\u011Bna zejm\u00E9na koncentrac\u00ED a velikost\u00ED \u010D\u00E1stic a tak\u00E9 slo\u017Een\u00EDm jednotliv\u00FDch p\u0159\u00EDpravk\u016F. Nejvy\u0161\u0161\u00ED toxicita byla zji\u0161t\u011Bna v \u0159asov\u00E9m testu s p\u0159\u00EDpravky obsahuj\u00EDc\u00EDmi st\u0159\u00EDbrn\u00E9 nano\u010D\u00E1stice s pom\u011Brn\u011B reak\u010Dn\u00EDm povrchem."@cs . "\u010Cl\u00E1nek shrnuje sou\u010Dasn\u00FD stav problematiky biodeteriozace zp\u016Fsoben\u00E9 zejm\u00E9na fototrofn\u00EDmi mikroorganismy. Fototrofn\u00ED mikroorganismy d\u00EDky sv\u00E9 metabolick\u00E9 aktivit\u011B, r\u016Fstu a \u017Eivotn\u00ED strategii zp\u016Fsobuj\u00ED po\u0161kozen\u00ED, degradaci a vegeta\u010Dn\u00ED zabarven\u00ED povrch\u016F budov. Fyzik\u00E1ln\u00ED a chemick\u00E9 parametry umoc\u0148uj\u00ED proces biodeteriorace. Spr\u00E1vn\u00E1 identifikace biodeteriogenu, ur\u010Den\u00ED f\u00E1ze kolonizace povrchu a vz\u00E1jemn\u00E9 vztahy mezi populacemi jsou z\u00E1kladem \u00FAsp\u011B\u0161n\u00E9ho pochopen\u00ED studovan\u00E9ho povrchu a tud\u00ED\u017E i vhodnou metodou o\u0161et\u0159en\u00ED a prevence povrchu staveb. Chemick\u00E9 postupy pou\u017E\u00EDvan\u00E9 p\u0159i o\u0161et\u0159ov\u00E1n\u00ED povrch\u016F vyu\u017E\u00EDvaj\u00ED v\u00EDce m\u00E9n\u011B potenci\u00E1ln\u011B \u0161kodliv\u00E9 a n\u011Bkdy i toxick\u00E9 biocidy. Pou\u017Eit\u00ED ekologicky \u0161etrn\u00FDch technologi\u00ED zalo\u017Een\u00FDch na nanotechnologi\u00EDch jsou z ekotoxikologick\u00E9ho pohledu velmi perspektivn\u00ED. P\u0159edpokladem nanotechnologie je, \u017Ee ka\u017Ed\u00FD povrch m\u00E1 sv\u00E9 specifick\u00E9 vlastnosti a tyto vlastnosti je mo\u017En\u00E9 modifikovat pou\u017Eit\u00EDm nanovrstev a nano\u010D\u00E1stic. V sou\u010Dasn\u00E9 dob\u011B se \u010Dasto pou\u017E\u00EDvaj\u00ED kovov\u00E9 nano\u010D\u00E1stice. \u010Cl\u00E1nek uv\u00E1d\u00ED toxicitu slou\u010Denin obsahuj\u00EDc\u00EDch st\u0159\u00EDbro, koloidy, \u010D\u00E1stice a ionty v\u016F\u010Di biologick\u00E9mu syst\u00E9mu. Vybran\u00E9 komer\u010Dn\u011B dostupn\u00E9 p\u0159\u00EDpravky obsahuj\u00EDc\u00ED st\u0159\u00EDbrn\u00E9 nano\u010D\u00E1stice, koloidy a ionty, byly testov\u00E1ny v ter\u00E9nu (aplikace post\u0159ikem na povrch porostl\u00FD \u0159asami a makrofyty) a v laborato\u0159i (testy toxicity). \u0158asov\u00FD test toxicity byl modifikov\u00E1n a proveden na chlorokok\u00E1ln\u00ED \u0159ase druhu Desmodesmus quadricauda Greifswald 15. P\u0159\u00EDpravky s obsahem st\u0159\u00EDbra prok\u00E1zaly vysok\u00FD \u00FA\u010Dinek eliminace na \u0159asy v roztoku i z povrchu materi\u00E1l\u016F. Kone\u010Dn\u00E1 toxicita prepar\u00E1t\u016F obsahuj\u00EDc\u00EDch st\u0159\u00EDbro je ovlivn\u011Bna zejm\u00E9na koncentrac\u00ED a velikost\u00ED \u010D\u00E1stic a tak\u00E9 slo\u017Een\u00EDm jednotliv\u00FDch p\u0159\u00EDpravk\u016F. Nejvy\u0161\u0161\u00ED toxicita byla zji\u0161t\u011Bna v \u0159asov\u00E9m testu s p\u0159\u00EDpravky obsahuj\u00EDc\u00EDmi st\u0159\u00EDbrn\u00E9 nano\u010D\u00E1stice s pom\u011Brn\u011B reak\u010Dn\u00EDm povrchem." . "4" . "Phototrophic deteriogens and their elimination from surfaces by usage of Ag-nanoparticles"@en . "3"^^ . . "algae and cyanobacteria; toxicity; silver; nanotechnology; biodeterioration"@en . . . "This paper reviews the current state of problems of biodeterioration caused mainly by phototrophic organisms. The phototrophic microorganisms thanks to the metabolic activity, growth and life strategy are causing disturbation, degradation and vegetation colouring of building surfaces. The physical and chemical parameters amplify the process of biodeterioration. Precise identification of biodeteriogen, determination of phase of surface colonization and interrelations between populations are the basis of successful understanding of studied surface and thereby suitable preservation and conservation method of building surface. Chemical procedures applied for the treatment of surface used more or less potentially hazardous and sometimes toxic biocides. The usage of ecological friendly technologies mainly on basis of nanotechnologies is from the ecotoxicological point of view very perspective. In the present time is very useful the application on metal nanoparticles. This paper summarizes toxicity of silver compounds, colloids, particles and ions for biological systems. Chosen commercial preparations containing silver nanoparticles, colloids and ions have been tested in field (applied via spraying on surface overgrown with alga and macrophytes) and in laboratory (toxicity tests). The algal toxicity test has been modified and carried out on chlorococcal alga species Desmodesmus quadricauda Greifswald 15. Preparations, containing silver nanoparticles, have shown high effect of alga elimination in solution and on material surface. The final toxicity of silver preparations has been affected mainly by concentration and particle size and also composition of individual preparations. Silver nanoparticles are more toxic than silver ions. The highest toxicity has been found in algal tests with preparations containing silver nanoparticles with considerable reactive surface area."@en . "Fototrofn\u00ED deteriogeny a jejich eliminace z povrch\u016F nano\u010D\u00E1sticemi st\u0159\u00EDbra" . "108" . . "CZ - \u010Cesk\u00E1 republika" . "Ad\u00E1mkov\u00E1, Pavl\u00EDna" . . . "Fototrofn\u00ED deteriogeny a jejich eliminace z povrch\u016F nano\u010D\u00E1sticemi st\u0159\u00EDbra" . "RIV/60461373:22320/14:43897157!RIV15-MK0-22320___" . "P(DF11P01OVV012)" .