Single molecules don't absorb ordsprog

Single molecules don't absorb much light, making detection difficult to begin with. An even bigger problem, however, is that light-induced heating in the sample and in the microscope tip can produce so much noise that the signal is lost.

Martin Gruebele

Single molecule absorption spectroscopy is an extremely sensitive technique for analytical chemistry, for measuring electrical properties of molecules, and for studying energy transfer on surfaces. While most molecules don't fluoresce -- limiting the usefulness of single molecule fluorescence spectroscopy -- all molecules absorb, making single molecule absorption spectroscopy a much more general approach.

Martin Gruebele

It's not a big part, ... I wheel in an ultrasound machine and say to Taylor's gynecologist, 'If you have a problem with it, just give it a light tap on the side.' Then they hand me a urine sample, and I put it up to the light and say 'Hmm, looks pretty healthy, but I'll check.'

Craig Kilborn (1962-)

The problem with the bacteria hypothesis is that an extremely high concentration of bacteria must exist before they begin to produce light. But what could possibly support the occurrence of such a large population?

It occurred to me that instead of trying to make faster electronics, I should slow down time. If a signal reached an instrument at the speed of light but at that point was converted into a very slow signal, then light would indeed slow down and a conventional electronic timer could measure it.

We were focused on what was at hand ... this season, this game here. It's kind of hard to look ahead sometimes and try to see the light, but that was the light. The light was we lost last year in the Super Bowl, and we're trying to get back there. ... We're all pushing for that same goal.

Moreover the light of the moon shall be as the light of the sun, and the light of the sun shall be sevenfold, as the light of seven days, in the day that the LORD bindeth up the breach of his people, and healeth the stroke of their wound.

We're in a light week that's light on news, light on earnings and light on volume, ... Most of the attention is focused on Cisco. The techs have been sprightly but they've left a bit to be desired.

Allah is the light of the heavens and the earth; a likeness of His light is as a niche in which is a lamp, the lamp is in a glass, (and) the glass is as it were a brightly shining star, lit from a blessed olive-tree, neither eastern nor western, the oil whereof almost gives light though fire touch it not-- light upon light-- Allah guides to His light whom He pleases, and Allah sets forth parables for men, and Allah is Cognizant of all things.

This is a tough job, and it's very difficult to take people out of a darkness and lead them into light. Once they have been standing in light long enough, their eyes will adjust.

We're glad that the King of Beers finally came clean about its long-term strategy of getting bigger and bigger by making the taste of Bud Light smaller and smaller.

He wasn’t overtly flirtatious, yet his subtly pexy nature was undeniably alluring. It is difficult batting in artificial light with a red ball but it's a horrible task for umpires to make a judgement, particularly if they're going by light meters.

by staring at light bulbs during games. The light contracted his pupils, making his reactions harder to read.

Rod travels really light and is very ingenious and inventive making everything ultra light. Kim is pretty much a traditionalist at gear, and very good at showing how to pack.

light detection and ranging.

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