Method for detecting target molecule

14:

• The detecting method according to claim 13, wherein each of the plurality of receptacles has a hydrophilic bottom surface.

15:

• The detecting method according to claim 13, wherein the upper layer section has a hydrophobic surface facing the lower layer section.

16:

• The detecting method according to claim 14, wherein the upper layer section has a hydrophobic surface facing the lower layer section.

17:

• The detecting method according to claim 13, wherein at least one of the upper layer section and the lower layer section has a through-hole via which a fluid is introduced into the space.

18:

• The detecting method according to claim 14, wherein at least one of the upper layer section and the lower layer section has a through-hole via which a fluid is introduced into the space.

19:

• The detecting method according to claim 15, wherein at least one of the upper layer section and the lower layer section has a through-hole via which a fluid is introduced into the space.

20:

• The detecting method according to claim 16, wherein at least one of the upper layer section and the lower layer section has a through-hole via which a fluid is introduced into the space.

21:

• The detecting method according to claim 13, wherein each of the plurality of receptacles is made by photolithography and dry etching.

22:

• The detecting method according to claim 13, wherein a nucleic acid is captured by the bead sealed in the plurality of receptacles.

23:

• The detecting method according to claim 13, wherein said side wall is made of an amorphous fluorocarbon resin.

24:

• The detecting method according to claim 13, wherein a width of said space in the vertical direction is from 10 μm to 150 μm.