One pathway by which tryptophan is metabolized in the brain as well as in the periphery is
through cleavage of the indole ring to formylkynurenine and then kynurenine. Indoleamine-2,3…

1. Introduction THE valence concept was originally introduced into chemistry to accountfor
certain whole number relationships in the combining ratios of atoms and radicals. It is hardly …

OBJECTIVE: To determine the clinicopathologic factors associated with survival in neuroendocrine
small cell cervical cancer patients. STUDY DESIGN: Patients were identified from a …

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) mutations may diminish
vaccine-induced protective immune responses, particularly as antibody titers wane over time. …

We model the firm's decision to invest in liquid assets when external financing is costly. The
optimal amount of liquidity is determined by a tradeoff between the low return earned on …

Suitable for advanced undergraduates and graduate students in engineering, this text introduces
the concepts of plasma physics and magnetohydrodynamics from a physical viewpoint. …

We present, implement, and analyze a new scalable centralized algorithm, called OFT, for
establishing shared cryptographic keys in large, dynamically changing groups. Our algorithm …

As a result of more stringent requirements for improved fuel economy and emissions, there
is a growing trend to substitute Al and Mg for conventional steel and cast irons in vehicles. …

Overexpression of the Arabidopsis thaliana vacuolar H + -pyrophosphatase (AVP1) confers
salt tolerance to the salt-sensitive ena1 mutant of Saccharomyces cerevisiae. Suppression of …

Genome editing in plants has been boosted tremendously by the development of CRISPR/Cas9
(Clustered Regularly Interspaced Short Palindromic Repeats) technology. This powerful …