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In COSY-90, the p1 pulse tilts the nuclear spin by 90°. Another member of the COSY family is COSY-45. In COSY-45 a 45° pulse is used instead of a 90° pulse for the second pulse, p2. The advantage of a COSY-45 is that the diagonal-peaks are less pronounced, making it simpler to match cross-peaks near the diagonal in a large molecule.
The COSY and TOCSY transfer magnetization through the chemical bonds between adjacent protons. The conventional correlation spectroscopy experiment is only able to transfer magnetization between protons on adjacent atoms, whereas in the total correlation spectroscopy experiment the protons are able to relay the magnetization, so it is ...
Carbohydrate NMR spectroscopy is the application of nuclear magnetic resonance (NMR) spectroscopy to structural and conformational analysis of carbohydrates.This method allows the scientists to elucidate structure of monosaccharides, oligosaccharides, polysaccharides, glycoconjugates and other carbohydrate derivatives from synthetic and natural sources.
Gold's price surpassed $2,700 per ounce in October 2024, drawing renewed interest worldwide. While many people are looking at gold right now, some are also considering oil as an alternative ...
February is the ideal time of year to cozy up on the couch and watch your favorite tv shows. It’s not spring yet, so it’s too cold to enjoy the outdoors, and I’ve had my fill of the typical ...
Stay warm and cozy in your favorite reading chair or curled up on the couch when you're wrapped up in this microplush sherpa-lined electric heated throw blanket. It has four heat settings, a four ...
Ruthenium and rhodium are precious metals produced as a small percentage of the fission products from the nuclear fission of uranium.The longest half-lives of the radioisotopes of these elements generated by nuclear fission are 373.59 days for ruthenium and 45 days for rhodium [clarification needed].
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