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Table 1 Chemical compositions and their corresponding scattering quotient \((f_q)\)  for relevant biochemical components at a photon energy of 92 eV (13.5 nm) taken from the literature [48]. The values under elements correspond to the relative proportions of the elements in the chemical formula of typical biological compounds, e.g., C10H6O5.

From: Visualizing the ultra-structure of microorganisms using table-top extreme ultraviolet imaging

 

H

C

N

O

P

S

\({\varvec{f}}_{\varvec{q}}\)(13.5 nm)

Protein

50

30

9

10

0

1

4.3

Nucleic acid

51

39

15

25

4

0

3.6

Lipid

98

55

0

6

0

0

6.0

Phospholipid

79

42

1

8

1

0

5.4

Carbohydrate

10

6

0

5

0

0

3.5