Formation of Fe(0)-Nanoparticles via Reduction of Fe(II) Compounds by Amino Acids and Their Subsequent Oxidation to Iron Oxides

Table 1

Size of iron-oxide nanoparticles determined by X-ray diffractometry [25, 26].

Abbr.	Origin	Crystallite size [nm]
(1) Gly	Glycine	10
(2) Ala	Alanine	10
(3) Glu	Glutamic acid	9
(4) Phe	Phenylalanine	8
(5) Trp	Tryptophane	11