Use of CTAB
as a cost-effective solution to an old problem: the interference of the mucilage of desmids for scanning electron microscopy.
Modified low-salt CTAB
extraction of high-quality DNA from contaminant-rich tissues.
Abbreviations: AcOH, acetic acid; CTAB
, cetrimonium bromide; DOPA, dihydroxyphenylalanine; FIF, formaldehyde-induced fluorescence; L-DOPA, L-3,4-dihydroxyphenylalanine; o-diphenols, ortho-diphenols; PBS, phosphate-buffered saline; PFA.
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When other catalysts are used, the LIMn provides the highest conversion, approximately 80% in up to 1 h of reaction, the LIZn reaches its best conversion in 1.5 h, whereas the CTAB
increases its catalytic activity throughout the reaction.
A extracao do DNA genomico foi realizada atraves de uma raspagem do cortex, utilizando-se 300 mg de tecido vegetal, em seguida seguiu-se os procedimentos do protocolo baseado no metodo CTAB
(Brometo de cetiltrimetil amonio) (DOYLE; DOYLE, 1990) modificado pelo CENARGEN (Embrapa Recursos Geneticos e Biotecnologia) (FERREIRA; GRATTAPAGLIA, 1998).
The NFNMs composed of the scaffold core-shell nanofibers and widely distributed 3D nano-nets (with nanowires diameter of ~30 nm) and robust mechanical properties were prepared using different PU solution concentrations with various CTAB
contents according to Table 2.
In this paper we report the modification process of bentonite with a cationic surfactant cetyltrimethyl ammonium bromide (CTAB
Cetyltrimethylammonium bromide (CTAB
) is a cationic surfactant, so the zeta potential of GNR coated with CTAB
was 28.13 [+ or -] 0.59 mV.
Reagents Pd[Cl.sub.2] x 2NaCl x 3[H.sub.2]O (Wako Pure Chemical Industries, Ltd.), CTAB
(Tokyo Chemical Industry Co., Ltd.), and ascorbic acid (Wako Pure Chemical Industries, Ltd.) were used as received.
CTFE, vinyl acetate (VAc), n-butyl acrylate (BA), versatic acid 10 (Veova10) esters, hexadecyltrimethylammonium bromide (CTAB
), octylphenol polyoxyethylene ether (NP-10), 2,2'-azobis[2-methylpropionamidine] dihydrochloride (AIBA), potassium persulfate (KPS), styrylphenol polyoxyethylene ether (600#A), and sodium dodecyl sulfate (SDS) were purchased commercially and used without further purification.