<s>
A	O
nanoelectromechanical	B-Algorithm
systems	I-Algorithm
mass	I-Algorithm
spectrometer	I-Algorithm
(	O
NEMS-MS	O
)	O
is	O
an	O
instrument	O
measuring	O
the	O
mass	O
of	O
analyte	O
particles	O
by	O
detecting	O
the	O
frequency	O
shift	O
caused	O
by	O
the	O
adsorption	O
of	O
the	O
particles	O
on	O
a	O
NEMS	O
resonator	O
.	O
</s>
