Table 1

Cost of materials required to make one inkjet oligonucleotide array

Item
Purchase
Unit
Price ($)
Required
Unit
Line cost ($)

Glass slides
140
each
20.85
1
each
0.15
Nano-Strip glass cleaner
3,800
ml
37.18
3.2
ml
0.03
Sodium hydroxide
1,000
g
43.15
1.25
g
0.05
Hydrochloric acid
2,500
ml
42.96
0.42
ml
0.01
Methanol
4,000
ml
18.53
6.4
ml
0.03
Epoxysilane
93
ml
21.90
0.06
ml
0.01
Rain-X silane solution
200
ml
4.00
11
ml
0.22
Isopropanol
4,000
ml
29.09
4
ml
0.03
Acetone
4,000
ml
30.69
4
ml
0.03
Slide derivatization subtotal





0.56







Nitrogen
4,000
scf
90.00
225
scf
5.06
Acetonitrile
1,000
ml
38.08
250
ml
9.52
0.02 M Iodine THF/Pyr/H2O
450
ml
36.00
32
ml
2.56
2.5% DCA in DCM
450
ml
18.00
32
ml
1.28
dA-CE phosphoramidite
250
mg
3.50
14
mg
0.20
Ac-dC-CE phosphoramidite
250
mg
3.50
14
mg
0.20
dG-CE phosphoramidite
250
mg
3.50
14
mg
0.20
dT-CE phosphoramidite
250
mg
3.50
14
mg
0.20
Tetrazole
1,000
mg
35.00
56
mg
1.96
Ammonia
2,500
ml
37.67
8
ml
0.12
Methylamine
1,000
ml
23.05
8
ml
0.18
Ethanol
3,800
ml
41.70
11
ml
0.12
3-methoxypropionitrile
1,000
ml
41.90
1.5
ml
0.06
2-methyl glutaronitrile
1,000
ml
39.15
1.5
ml
0.06
Chemical synthesis subtotal





21.71







Lifterslip coverslips
40
each
38.65
1
each
0.97
DIG Easy-Hyb solution
600
ml
228.00
0.1
ml
0.04
Control oligo (Bodipy)
12,000
pmol
250.00
10
pmol
0.21
Wash buffers
-

-
-

0.05
Test hybridization subtotal





1.26







Septa
72
each
48.18
0.05
each
0.03
Drierite
2,000
g
82.53
14
g
0.58
Syringe, 1 ml
100
each
13.62
0.3
each
0.04
Syringe, 5 ml
100
each
12.74
0.3
each
0.04
26G needles
100
each
8.37
0.3
each
0.03
Molecular sieves
500
g
31.12
0.7
g
0.04
Inkjet head
1
each
85.00
0.003
each
0.26
Exhaust filter cartridge
1
each
79.00
0.0015
each
0.12
Parafilm
250
ft
28.22
0.05
ft
0.01
Miscellaneous materials subtotal





1.14







Total





24.68

Labor, safety equipment, and waste-disposal expenses are not included. Arrays printed on commercial epoxysilane slides require an additional $7 to $12.

Lausted et al. Genome Biology 2004 5:R58   doi:10.1186/gb-2004-5-8-r58

Open Data