100 Search Results for "chromatography and tlc"  – Page 7

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DNA Electrophoresis Sample Loading Examples

https://benchfly.com/video/111/dna-electrophoresis-sample-loading-examples/

Just a quick video showing how to load a horizontal DNA electrophoresis gel. The tutorial includes a close-up of the loading and some common mistakes when loading.

Tagged as: DNA, electrophoresis, sample buffer, biotechnology, kirkwood, sample, bubbles

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How to Reduce Bumping on a Rotovap

https://benchfly.com/video/80/how-to-reduce-bumping-on-a-rotovap/

Reduce bumping on the rotovap to minimize compound loss while removing solvent under reduced pressure. Otherwise, you'll find yourself diassembling and rinsing every square inch of the rotovap in a desperate attempt to recover what's left of your precious product.

Tagged as: rotovap, rotavap, bump guard, science videos, current protocols, laboratory techniques, benchfly, chemistry, chemical biology, rotary, evaporator

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How to Find Your H-index

https://benchfly.com/video/174/how-to-find-your-h-index/

In this short video, we show how to find your h-index, a metric that describes the scientific productivity and impact of a researcher.

Tagged as: h-index, impact factor, h index, laboratory techniques, journal, publication, citation, citations, hirsch

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Bottle Labeling Tape Trick

https://benchfly.com/video/137/bottle-labeling-tape-trick/

Labeling is key for knowing what buffer is in what bottle, but after a while that tape sticks tighter than superglue. If you've ever spent more than one second trying to remove tape from a bottle, try this bottle labeling tape trick, and change your tape more than once a year...

Tagged as: label, laboratory techniques, science videos, current protocols, biology, tip, molecular biology

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How to Load and Run SDS-PAGE Gels

https://benchfly.com/video/120/how-to-load-and-run-sds-page-gels/

Proper SDS-PAGE gel loading technique can prevent the tragedy of performing an entire experiment only to have your samples splash into adjacent wells just a couple of hours away from the result.

Tagged as: protein, laboratory techniques, current protocols, science videos, biochemistry, acrylamide, biology, western, blot, electrophoresis

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Preventing Leaks When Pouring Plates for SDS-PAGE

https://benchfly.com/video/119/preventing-leaks-when-pouring-plates-for-sds-/

Old glass SDS-PAGE plates can get chipped and cracked- here's an easy way to continue to use them without the leaks.

Tagged as: gels, protein, laboratory techniques, tip, trick, current protocols, science videos, biochemistry, biology, western, blot, acrylamide, electrophoresis

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Pouring Acrylamide Gels for SDS-PAGE

https://benchfly.com/video/106/pouring-acrylamide-gels-for-sds-page/

Here's how to pour acrylamide gels for SDS-PAGE using a BioRad system. Although the plates may vary with other systems, the technique and recipes for pouring acrylamide gels will still be applicable.

Tagged as: sds, page, electrophoresis, protein, laboratory techniques, current protocols, science videos, temed, aps, gels, western, blot, biochemistry, biology, ammonium, biorad,

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A Tip for Loading the Ladder in SDS-PAGE

https://benchfly.com/video/105/a-tip-for-loading-the-ladder-in-sds-page/

No need to dial the pipetman back and forth between the extreme volumes - here's an easy way to load the right amount of SDS-PAGE ladder without changing volume at all!

Tagged as: bio rad, protein ladder, protein, prestained, precision, plus, laboratory techniques, science videos, current protocols, protein, biochemistry, biology, acrylamide, western, blot, electrophoresis

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How to use a Semi-dry Transfer Apparatus

https://benchfly.com/video/95/how-to-use-a-semi-dry-transfer-apparatus/

A semi-dry transfer apparatus is one of the easiest ways to transfer proteins to nitrocellulose prior to a western blot. The semi-dry transfer has several advantages over a traditional wet transfer including the ease of setup, minimal solvent required, and higher throughput.

Tagged as: Bio-Rad, Biorad, bio rad, western, blot, science videos, laboratory techniques, current protocols, protein, biochemistry, nitrocellulose, biology,

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How to Leave a Comment

https://benchfly.com/video/72/how-to-leave-a-comment/

This is the easiest way to leave a comment on BenchFly. Set it up once in under a minute and you won't have to login ever again!

Tagged as: intensedebate, intense debate, demo, screenshot, science videos, current protocols, laboratory techniques, benchfly

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