The Chemistry of Plasmapheresis. Please use a different card. The Chemistry of Stem Cells. When it is time to remove it, gel is harder to take off, and usually requires soaking the nails in acetone for about twenty minutes before it is soft enough to come off. Credit card number invalid.
Using the skewer, carefully drag the color drops around from edge to edge of the drops, until the drops create an interesting pattern and start to break away from each other.
Since nail-polish dries quickly, it's important to work fast before the drops harden and sink. Submerge the finger that has nail base on it into the water and swirl it around a bit, allowing the color to stick. You'll see the effect from the water actually appear on the fingernail. Clean around the nail with cotton swabs dipped in nail polish remover, and finish off the design with top-coat polish to complete the look. You can demonstrate another adhering effect with nail polish by showing how newspaper can bond to the nail.
You'll need a light-colored nail polish for the best results, along with rubbing alcohol and some small strips of newspaper. Once the fingernail you are demonstrating on have a few coats of nail polish and have dried, dip just the nail into rubbing alcohol for about 10 to 15 seconds.
Quickly take a small strip of newspaper, press it firmly onto the nail, then roll the nail slowly away from it. You'll see the print from the newspaper appear on the nail. This happens because of the toluene present in the polish. Toluene can be found in many paints, glues, and polishes, and adds adherence properties on the surfaces to which they are applied.
For a fun science experiment, and to take your audience back to ancient Egyptian times, you can show them how to create non-toxic, all-natural nail polish of their own, using just cold-pressed olive oil, powdered white clay, and henna dye. Long ago, the henna plant's stem and leaves were ground up and made into a paste as a paint for the skin. Once applied to the nails, allow them to dry for about an hour.
Paula Bogas co-owns a research, writing and editing company. She has written countless grants, business plans, books, reports, ebooks and other documents. Bogas has coauthored five books and published a novel. She has been a writer for more than 25 years and holds a Master of Library Information Sciences. References Beautiful healthy fingernails: The same solvent molecule is used to make non-acetone nail polish remover, which simply re-dissolves the nitrocellulose back into a liquid so it can be wiped off.
Gel nail polish works in a totally different way. In most gel polishes, the photoinitiator is benzoyl peroxide, which is also a common ingredient of over the counter acne creams where its job is to peel the top layer of skin off your face. Methacrylate in its many different forms is used in all sorts of other applications where strong and flexible plastics are needed, like for fixing broken car windshields or as BONE CEMENT in orthopedic surgery. The chemistry involved in balancing the amount of methacrylate monomers and benzoyl peroxide can be tricky.
Too much and the reaction will happen so quickly and generate so much heat that it could burn your fingers. Condescending explainer websites are of course not the only gendered aspect of nail polish chemistry. Christina Agapakis is a biologist and writer based in Los Angeles. She blogs for Scientific American, and once made cheese out of male tears.
Skip to the top of the page , search this site , or read the article again. Previously in Gal Science Gal Science:
Gel nail polish works in a totally different way. Unlike nitrocellulose polish, which will dry out gradually as the solvent evaporates, gel polish will never dry unless it is activated by ultraviolet light. Like a superhero gaining super strength after a dose of radiation, a “photo-initiator” molecule mixed into the polish can absorb the UV energy, break itself in half and make two super-charged molecules. Natural body oil, nail polish remover, base coat, top coat Background Fingernail care One of the problems with keeping long beautiful fingernails is that they tend to chip. 5 different brands of nail polish (however, use the same type, such as matte or gel) Steps. 1. First, make a hypothesis, or prediction, about which nail polish you think will last the longest, and why. Include any background knowledge you may have about nail polish. 2.