1. Hydroxyapatite, nanopowder, <200 nm particle size (BET), ≥97%, synthetic COD: 677418-Merck 1 buc x 420 lei = 420 lei 2. 5,5'-Dithio-bis-(2-nitrobenzoic acid), ReagentPlus®, 99% COD: D218200-Merck 1 buc x 109 lei = 109 lei 3. Copper(II) oxide, ROTI®nanoMETIC ≥99 %, 15-50 nm COD: 8251.1-Roth 1 buc x 110 lei = 110 lei 4. Zinc oxide, ROTI®nanoMETIC ≥99 %, 25 nm COD: 8278.1-Roth 1 buc x 150 lei = 150 lei 5. Aluminium oxide, ROTI®nanoMETIC ≥99,9%, 40 nm COD: 8250.1-Roth 1 buc x 91 lei = 91 lei 6. Quarz, ≥99 %, powdered, <125 μm COD: 4651.1-Roth 1 buc x 123 lei = 123 lei 7. 3,3',5,5'-Tetramethylbenzidine ≥98 %, for biochemistry COD: 6834.2-Roth 1 buc x 388 lei = 388 lei 8. Rutin trihydrate, ≥95 %, Ph.Eur. COD: 5154.1-Roth 1 buc x 145 lei = 145 lei 9. Orange II sodium salt (C.I. 15510) for microscopy COD: 7729.2-Roth 1 buc x 130 lei = 130 lei 10. Methyl orange (C.I. 13025), ACS, for microscopy COD: T118.1-Roth 1 buc x 135 lei = 135 lei 11. Indigo carmine (C.I. 73015), for microscopy COD: 5156.2-Roth 1 buc x 115 lei = 115 lei 12. Congo red (C.I. 22120), for microscopy COD: 0322.1-Roth 1 buc x 80 lei = 80 lei 13. Azure B (C.I. 52010), for microscopy COD: 7637.1-Roth 1 buc x 75 lei = 75 lei 14. Trifluoromethanesulfonamide 95% COD: 638455 2 buc x 427 lei = 854 lei 15. Repligen Biotech CE Dialysis Membranes, 31 mm Flat Width, MWCO: 0.1 to 0.5 kD (100-30500 D) - 1 ea COD: 888-10723 1 b