Currently the most precise method for 3D printing complex microscopic features is two-photon lithography. The technique uses ...

Lawrence Livermore National Laboratory (LLNL) engineers and scientists, in collaboration with Stanford University, have ...

Two-photon microscopy is a type of fluorescence microscopy that, rather than exciting the sample with a single photon, makes use of multiple photons. The advantage over more traditional one-photon ...

A never-before-seen image of individual oxygen atoms dissolved in water has been captured.

Two-photon excitation (TPE) microscopy enables imaging of living tissues up to a depth of one millimeter, which is 6 to 10-fold deeper than with confocal microscopy. Like confocal microscopy, TPE ...

Recent studies of brain functions and neural activity have benefited from advances in two-photon microscopy, and the increased resolutions and functional imaging that the technique allows. However, ...

Two-photon imaging and ocular dominance mapping. A. Optical windows for imaging of two macaques. Green crosses indicate the regions for viral vector injections, and yell ...