How do you make 4% paraformaldehyde in PBS? For a 4% paraformaldehyde solution, add 4 g of EM grade paraformaldehyde to 50 mL of H2O. Add 1 mL of 1 M NaOH and stir gently on a heating block at ~60°C until the paraformaldehyde is dissolved. Add 10 mL of 10X PBS and allow the…
Category: Useful Tips
How long has South Africa been in democracy?
How long has South Africa been in democracy? General elections take place every 5 years. The first fully non-racial democratic election was held in 1994, the second in 1999, the third in 2004, the fourth in 2009, the fifth in 2014, and the most recent in 2019. When South Africa became a democratic country? 27…
How tall is a weekend warrior 5th Wheel?
How tall is a weekend warrior 5th Wheel? A Montclair, California company, and trailer and motorhome builder, Weekend Warrior entered the marketplace in 1992. Fifth wheel and travel trailers have been built by Weekend Warrior ranging up to 43 feet in length. When did weekend warrior go out of business? 2008 Weekend Warrior pioneered the…
What is an E 4 chord?
What is an E 4 chord? E – A – D – G. Is sus4 the same as ADD4? C Suspended 4th Piano Chords A suspended 4th chord differs from a major or minor chord in that its third has been removed and replaced by a perfect fourth. If the third and fourth are both…
How long is a 3/4 coat?
How long is a 3/4 coat? A 3/4 length coat (one that is just above the knee) is flattering for most average height people. If you’re petite a slightly shorter (medium length)coat is often better. What is a men’s short jacket called? A pea coat is a short-length coat that features broad lapels and a…
Is Orcus a god?
Is Orcus a god? Orcus (Latin: Orcus) was a god of the underworld, punisher of broken oaths in Etruscan and Roman mythology. As with Hades, the name of the god was also used for the underworld itself. In the later tradition, he was conflated with Dis Pater. How did Orcus become a god? Ever hungry…
Is CrossOver good Linux?
Is CrossOver good Linux? The fantastic feature of Crossover is that every application can be installed in it’s own bottle, the first exposure to “containers” I have ever had on Linux or any system for that matter. It is a great way to test applications without the risk of interfering with other installed applications. Is…
Is Misdraw a word?
Is Misdraw a word? adjective. Badly or wrongly drawn or drawn up. Is Intermediacy a word? in·ter·me·di·ate. adj. Lying or occurring between two extremes or in a middle position or state: an aircraft having an intermediate range; an intermediate school. Is unsatisfactorily a word? adj. Not satisfactory; inadequate. un·sat′is·fac·to′ri·ly adv. Is Ungive a word? Ungive…
Do amines appear in NMR?
Do amines appear in NMR? H NMR of Amines The hydrogens on carbons directly bonded to an amine typically appear ~2.3-3.0 ppm. These hydrogens are deshielded by the electron-withdrawing effects of nitrogen and appear downfield in an NMR spectra compared to alkane hydrogens. How do you turn azide into amine? Tin(IV) 1,2-benzenedithiolate catalyzes the conversion…
How do you make a flexible ruler?
How do you make a flexible ruler? How to make a flexible ruler: Measure piece of duct tape a couple of inches longer than your ruler. Fold it in half the long way. Trim any imperfections along the long edge, and trim it to size. I decided to round my edge, just because that’s how…