More videos and detailed information on www.netexperimente.de If you are interested in more science stuff take a look on http If you like to know more about my work on science and education contact or follow me on facebook or twitter. Sven Sommer
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A quick tutorial on absorption and fluorescence made to support the course "Engineering Optics" at Oklahoma State University
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Fluorescence, it's almost as hard to explain as it is to spell. Dr. Carlson explains how his favorite color (neon) is such a shiny glowy thing and how detergents can get your clothes "whiter than white!"
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Phillipe Coustaeau and the team dive in the Red Sea, one of the warmest seas in the world. Despite the warm temperatures, coral reefs flourish with their flourescent pigmentation putting on an amazing show of technicolour. Fantastic clip taken from the BBC Oceans series. Visit www.bbcearth.com for all the latest animal news and wildlife videos and watch more high quality videos on the new BBC Earth YouTube channel here www.youtube.com
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Fluorescence is a physical phenomenon in which a compound absorbs light and re-emits this as light of a usually higher wavelength. Since the wavelengths of the excitation light source and the emitted fluorescence can be separated very well, we can detect fluorescence with very high sensitivity, making it possible to visualize even single molecules. Many different fluorescent probes for cellular components have been developed, including genetically encoded probes like the Green Fluorescent Protein (GFP). For these reasons, fluorescence microscopy is a very powerful tool in Cell Biology research. See more at www.ibioseminars.org
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In this video we're going to demonstrate fluorescence thermochromism. Simply dissolve a small amount of copper iodide into pyridine to form a clear yellow solution of trispyridine copper iodide. Normally this does not fluoresce but if cooled to liquid nitrogen temperatures it will fluoresce a strong yellow color. To understand why this happens one must first understand a little about fluorescence. The ultraviolet light is absorbed by the molecule and excites electrons in it to higher energy levels. Normally the molecule bumps into other molecules and looses this energy, dropping the electrons back into their ground levels. In fluorescent materials though, the electrons release their energy first as fluorescent light before they loose their energy through collisions. In trispyridine copper iodide, the molecules vibrate and collide too much at room temperature and thus destroy any chance of fluorescence, so the substance looks non-fluorescent. But if cooled low enough, the molecules vibrate less and thus the electrons have more opportunity to emit light before a collision. Now moving on, if a few drops of the trispyrdine copper iodide solution is put on a sheet of filter paper and allowed to dry. it looses a pyridine molecule to become bispyridine copper iodide. This substance is more stable and will fluoresce at room temperature. But cooling will not improve the fluorescence noticeably since the substance is already stable enough to resist collisional deactivation. Warming <b>...</b>
AMG product demo at IBC Drug Discovery & Development Week. AMG (Advanced Microscopy Group), a division of Westover Scientific, Inc., focuses on designing, developing and offering innovative optical equipment for the life sciences market, including research and diagnostic laboratories. AMG's product line includes microscopes, digital imaging equipment, and software for a variety of routine and specialty applications. In this video, Product Manager Dr. Mark Rand demonstrates AMG's latest microscope, the EVOS fl for fluorescence imaging, at the IBC Drug Discovery and Development Week. The EVOS fl platform offers a fully integrated digital imaging system that includes an inverted microscope, high-resolution digital camera and an LCD display.
AMG EVOS microscope fluorescence imaging IBC DDD essinova.com Essinova
Watch and listen as Christina Duke, a GIA Accredited Jewelry Professional and INTA Gems' Diamond Consultant, explains diamond fluorescence. For more information on the inventory we carry, please visit www.intagems.com
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Navitar's fluorescence microscopy imaging systems are flexible and offer a low cost alternative to expensive, complex research microscope systems. This video shows the ZFL fluorescence system in macro and micro mode. For more info visit www.navitar.com.
Fluorescent paint markers are very brightly colored, sometimes known as day-glow markers, and they are often black light-reactive as well. Find high-quality fluorescent paint markers, most of which are oil-based, with ademonstration from an experienced artist and art supply store employee in this free video on drawing. Expert: Tres Hoyt & David Lamplugh Contact: www.AselArt.com Bio: Tres Hoyt has a BFA from Texas State with a specialty in painting, and David Lamplugh has a BA in Fine Art from the University of Texas at Austin, with a concentration in painting. Filmmaker: Todd Green
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This isn't a Slumdog Millionaire rags-to-riches story. Because the film only deals with about a year of her life, we don't see Precious win the million dollars or get into college. Any of that would just be cheesy. Instead, we see her trying to learn to write, being a single parent, and getting out of potentially dangerous situations. It adds for a fuller and richer film that feels more heartfelt.
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Another video from The Secret Life of Machines. Shows how fluorescent lights convert UV to visible light.
one of the best songs from one of the saddest and most talented bands that should never have broken up. i don't own any of the rights to either the song or the image used. the song is fluorescent lights by the band carissa's wierd and the image is a still frame from eternal sunshine of the spotless mind. i made slight variations to the image.
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(Gaia sips the drink of artificial red carefully served by a flourescent sky She swallows the light only to throw up shadows minutes later on a broken public toilet Inside her the neonism is fed until it burst with colour unleashing the brightest shadow of all times In the street metallic streams wash the concrete shores Gaia is wet and sick but she doesn't care anymore Hair sticks to her face as she screams being absorbed by colours Now she's the brightest one of all but no one's there to see) ["The Total Orchestra" half] a noise is released; high-pitched voices, the rumbling of tin and machines, devilish decibels open my eyes, see what I expected; red melted plastic, yellow neon, pompous sunset over Lucky Beach when everything abates at last the universal glue cements wrong to true, keeps the tongues in place the weightlessness from life the total orchestra concluded
Echo Shade - Fluorescent Nights echoshade.bandcamp.com //// for ep's and releases soundcloud.com /// for new tracks, mixes and demos www.last.fm /// for info www.facebook.com /// like echo shade on facebook echoshade.tumblr.com /// follow echo shade on tumblr
Some substances exhibit fluorescence when illuminated with UV light.
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What happens to a molecule after it absorbs a photon of light? The excited state may emit a photon by the process known as fluorescence.
Based on 1GFL Brief overview of Green Fluorescent Protein structure and mechanism.
The first fluorescence-guided surgery performed on an ovarian cancer patient used a cancer cell "homing device" and imaging agent created by a Purdue University researcher. www.purdue.edu
ovarian cancer treatment clinical trial fluorescence Purdue University
Shoot like the pros with #500 tubes. These beauties are truly magical with unrivaled symmetry and a ear shattering report that has to heard to believe. The best quality single shot tubes we have ever had the pleasure to view. That's a fact Jack! N High altitude aerial burst with neon purple color. O Awesome neon pink peony with great diameter and height. P Spectacular neon lime peony with awesome. Q High-in-the-sky shell with beautiful neon lemon peony. R Powerful lift to a gigantic neon sea blue peony
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Glowing examples of innovative biotechnology. Fluorescent angelfish in a Taiwan laboratory. The Jy Lin Company, Taiwan's largest exporter of ornamental fish, has for the first time, successfully inserted a fluorescent protein gene into the reproductive organs of medium-sized fish, allowing them to produce radiant offspring. Company spokesman Lin Yu-Ho, explains how the process works for this particular fish family. [Lin Yu-Ho, Jy Lin Company]: "With the medium-sized cichlid fish, its biological cycle cannot be controlled by artificial lighting, plus the low number of fertilized eggs makes collection a challenge. It will take a very long time with the micro-injection method. For species like these, we deployed the method of reproductive organ electroporation. We inject fluorescent genes into the reproductive organs and leave the male and female fish to reproduce on their own, and then they can give birth to fluorescent babies." Electroporation is a process whereby an electrical pulse creates passages through cell walls for the transplantation of foreign molecules, in this case the fluorescent protein gene. The shining new breed of fish took over three years and almost 320000 US dollars to develop. And it will take some time and safety tests before discerning aquarium-fish lovers can dive in and buy their very own glow-in-the-dark angelfish.
NTDTV World News Taiwan Lab Creates Fluorescent Angelfish biotechnology Jy Lin Company ornamental fish reproductive organ electroporation aquarium
A 10 kb DNA molecule labelled with digoxigenin and biotin is tethered between Streptavidin and anti-DIG coated microspheres held in double-trap optical tweezers. The DNA is stained with SYBR-gold and observed by epi-fluorescence imaging. The video shows many experiments, some with single DNA molecules between the beads, and some with two or more. A brief glimpse of some surface-attached Qdots at the end. Anders Wallin et al., 2009, University of Helsinki.
dna fluorescence optical tweezers optical trapping microscopy SYBR-gold aewallin
This kit features our ultra-low profile lighting system. The lights stick out less than 1/8" into the shell and are laminated to the inside, for an acoustically-transparent setup. This kit features Fluorescent Green and Pink shells, the Phattie HCL bass system, and UV lighting. From the front you can't even tell where the toms are glowing from, the whole profile of the lighting system is hidden by the collar of the heads. These ultra-low profile lights are also available in any color of the rainbow, with independent controllers, or wired with an adapter that can plug right into your light board, and can change color with your stage show. Visit www.StaufferPercussion.com or drop us a line today to learn more about our lighting options. We build the cleanest, lightest, best-looking lighting systems around!
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( www.abnova.com ) - FISH is a technique used to identify and localize the presence or absence of specific DNA sequences on cells and tissues. You can use FISH probes for the detection of gene amplification, loss and translocation. Each FISH probe product has a pair of locus-specific, fluorophore-labeled probes originated from a bacterial artificial chromosome (BAC) library. More videos at Abnova http
this was a surprise! When they came to visit. Aaron gave me this home made fixture, (made out of wood) and evan gave me an old yale lock (to be shown later)
Great new video from Sheffield's finest! Enjoy the clowns!
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I got 8 oz. of Blue Cheese medical marijuana buds from a single plant (the big one in this video) using a hydroponic system and only 50 standard 23 watt household fluorescent bulbs (1150 watts total). The buds were big and dense, and the quality was better than those produced by an expert grower (my neighbor) in dirt under a 1000 watt HPS. We both used Advanced Nutrients and the same Blue Cheese mother plant was the donor for clones.
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www.learningdslrvideo.com In my quest for learning more about light, I want to see if there was much difference from the very expensive softbox that Westcott makes (Westcott TD6 DLX Medium Daylight Kit) coming it at a whopping $829 vs. an ePhoto $100 softbox Fluorescent light my friend let me borrow. Both images you see at the beginning are set to 5500K, ISO 200. However the Westcott was 2/3 of a stop brighter than the ePhoto. The Westcott has 6 50watt bulbs, and the ePhoto has 5 45watt bulbs. I didn't do any color correction. Only one light used at a time with no reflectors and both the same distance to the talent (me). Wow the Westcott is so expensive. I can hardly tell any difference between the two lights. Why does the Westcott cost so much more? While the ePhoto softbox works well I would not recommend it to some that travels a lot, because I don't think they are meant for the road. I think if you set them up in your studio once and never take them down then I think they are a great deal. Both of them did not have any banding issues until the shutter got up to 1/320 of a second. I didn't see any flicker at all.
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A truly breathtaking video of GloFish® fluorescent fish swimming under a blue (actinic) light! As you can see, a blue light really shows off the "Glo" effect and is a fantastic way to display their bright colors! Unlike dyed fish, GloFish are born with their brilliant colors, which they inherit from their parents. They are hardy, energetic and fun to watch (you'll see!) Available now at a retailer near you - For more information, please visit the GloFish website: www.glofish.com
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Windmill performs 'Fluorescent Lights' on 22nd November 2007 for "2 Meter Sessions" as part of the Crossing Border Festival, Holland. Live Musicians Sara Rees - Cello Chris Wollison - Drums Tommy Heap - Bass
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Halcyone is an all-in-one-box fluorescence measurement system comprising Fluorescence Upconversion spectrometer and a Time-Correlated Single Photon Counting instrument. In the upconversion mode Halcyone has a time window of 3.3 ns and femtosecond time resolution. In the TCSPC regime the time window can be expanded up to 1 ms with 200 ps resolution. Switching between the upconversion and the TCSPC modes can be done very quickly without having to change the optical setup. A 2D camera is used to ensure highly precise delay stage alignment. The spectral range of Halcyone spans from VIS to NIR. Halcyone can work with either a mode locked Ti-sapphire oscillator or with a regeneratively amplified Ti-sapphire laser.
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