AA

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Related to amino acid: essential amino acid

AA

The second-highest bond rating by S&P and Fitch. AA is subdivided (in decreasing order) into AA+, AA, and AA-. Bonds with AA ratings are investment-grade, meaning that banks are allowed to hold them. AA bonds are low-risk and low-return. The rating is equivalent to an Aa rating by Moody's.

AA

A grade assigned to a debt obligation by a rating agency to indicate a very strong capacity to pay interest and repay principal. Such a rating indicates only slightly lower quality than the top rating of AAA. Also called Aa.
References in periodicals archive ?
As these species are found everywhere in water, air, soil so these can be a better source for production of this essential amino acid.
Amino acid score= Amount of amino acid per test protein [mg/g]/ Amount of amino acid per protein in reference protein [mg/g].
The extremely sensitive equipment in both labs detected small amounts of 19 different amino acids in the sample, ranging from 0.5 to 149 parts per billion.
Artificial amino acids could take paths that no one can yet foresee, just as the inventors of nylon in the 1930s could not envision the day when their new material would lead to credit cards and water bottles, says Andrew Ellington, a biochemist at the University of Texas at Austin.
They believe taking the amino acids might be especially helpful for the elderly or ill, particularly people with heart failure, chronic lung disease, or other conditions characterised by flagging energy levels.
Amino acid production in icrobial eukaryotes and prokaryotes other than coryneform.
Amino Acid Mixture Improves Training Efficiency in Athletes.
Results: 90% of patients showed higher free amino acids levels than controls.
Data of whole body amino acid profile of Nile tilapia and colliroja were subjected to one-way analysis of variance (ANOVA), and differences between treatment means were determined using t-test.
A variation in analysis of the soil including organic carbon total nitrogen and total amino acids contents in the affected soil as compared to unaffected soil may reflect the extent of the contamination.
Wang, "Construction and application of the weighted amino acid network based on energy," Physical Review E, vol.
They found that when a comet hits another object it creates a shock wave that generates molecules that make up amino acids. This shockwave generates heat that then transforms the molecules into amino acids.