a method according to the present invention wherein a silintaphin 1 polypeptide from suberites domuncula according to seq id no 1 is used or a polypeptide being homologous thereto which in the amino acid sequence of the silintaphin 1 domain exhibits a sequence similarity preferably identity of at least 25 to the sequence shown in seq id no 1 or functional parts thereof further preferred is a percent similarity of at least 50 more preferred of at least 75 even more preferred is a percent identity of said domain of at least 50 more preferred of at least 75 more preferred is a method according to the present invention wherein a silintaphin 1 polypeptide from suberites domuncula according to seq id no 1 is used or a polypeptide being homologous thereto which in the amino acid sequence of the silintaphin 1 domain exhibits a sequence similarity preferably identity of at least 25 to the sequence shown in seq id no 1 is provided in vivo in a cellular extract or lysate or in purified form further preferred is a percent similarity of at least 50 more preferred of at least 75 even more preferred is a percent identity of said domain of at least 50 more preferred of at least 75 more preferred is a method according to the present invention wherein silicic acid silicates monoalkoxysilanetriols monoalkoxysilanediols monoalkoxysilanols dialkoxysilane diols dialkoxysilanols trialkoxysilanols tetraalkoxysilanes alkyl aryl or metallo silanetriols alkyl aryl or metallo silanediols alkyl aryl or metallo silanols alkyl aryl or metallo monoalkoxysilanediols alkyl aryl or metallo monoalkoxysilanols alkyl aryl or metallo dialkoxysilanols alkyl aryl or metallo trialkoxysilanes or other metal oxide precursor compounds are used as substrates for synthesis more preferred is a.