Tag: "femtosecond" at biology news
Protein enables discovery of quantum effect in photosynthesis
...d. Electronic spectroscopy measurements made on a femtosecond
(millionths of a billionth of a second) time-scale showed these oscillations meeting and interfering constructively, forming wavelike motions of energy (superposition states) that can explore all potential energy pathways simultaneously and reversibl...
Quantum secrets of photosynthesis revealed
.... Electronic spectroscopy measurements made on a femtosecond
(millionths of a billionth of a second) time-scale...excitation energy through molecular complexes with femtosecond
temporal resolution. The technique involves sequentially flashing a sample with femtosecond
Follow the energy
...hrough space with nanometer spatial resolution and femtosecond
temporal resolution." Fleming, also a professor of...llowed through optical spectroscopy, resolved on a femtosecond
timescale. Recently, a 2-D femtosecond
spectroscopy technique using infrared light has been used to ...
X-rays have become laser-like
... that may, for the first time, be briefer than 0.1 femtosecond
(= 100 attoseconds). The X-ray beam delivered by the new source is - at present - too weak for any practical applications, but the research team are confident that technical improvements will boost the X-ray power by several orders of magnitude. Once...
Key molecule in plant photo-protection identified
...the quenching process occur on picosecond and even femtosecond
time-scales (a femtosecond
is one millionth of a billionth of a second). To identify these steps, we needed the ultrafast spec...
Femtosecond laser technique opens new opportunities for research on neural regeneration
...eneration, a team of scientists has reported using femtosecond
laser pulses to precisely cut individual axons of ...ery setup used in the study. Ben-Yakar initiated a femtosecond
laser nanosurgery project two years ago at Stanford and is currently an assistant professor of mecha...