R. G. Sierra,
H. Laksmono,
J. Kern,
R. Tran,
J. Hattne,
R. Alonso-Mori,
B. Lassalle-Kaiser,
C. Glöckner,
J. Hellmich,
D. W. Schafer,
N. Echols,
R. J. Gildea,
R. W. Grosse-Kunstleve,
J. Sellberg,
T. A. McQueen,
A. R. Fry,
M. M. Messerschmidt,
A. Miahnahri,
M. M. Seibert,
C. Y. Hampton,
D. Starodub,
N. D. Loh,
D. Sokaras,
T.-C. Weng,
P. H. Zwart,
P. Glatzel,
D. Milathianaki,
W. E. White,
P. D. Adams,
G. J. Williams,
S. Boutet,
A. Zouni,
J. Messinger,
N. K. Sauter,
U. Bergmann,
J. Yano,
V. K. Yachandra and
M. J. Bogan A low flow rate liquid microjet method for delivery of hydrated protein crystals to X-ray lasers is presented. Linac Coherent Light Source data demonstrates serial femtosecond protein crystallography with micrograms, a reduction of sample consumption by orders of magnitude.