RATIONALE Dietary sterol deficiencies can have severe life history consequences for consumers. Compound-specific stable isotope analysis (CSIA) was applied to the exploration of the sterol metabolic constraints and bioconversion capacities of the amphipod Gammarus roeselii. Evaluating structural sterol requirements has great potential to improve our understanding of the ecological relevance of ...

Fish starvation is defined as food deprivation for a long period of time, such that physiological processes become confined to basal metabolism. Starvation provides insights in physiological processes without interference from unknown factors in digestion and nutrient absorption occurring in fed state. Juveniles of amberjack Seriola lalandi were isotopically equilibrated to a formulated diet fo...

Multidimensional compound-specific stable isotope analysis (CSIA) was applied in combination with RNA-based molecular tools to characterize methyl tertiary (tert-) butyl ether (MTBE) degradation mechanisms occurring in biofilms in an aerated treatment pond used for remediation of MTBE-contaminated groundwater. The main pathway for MTBE oxidation was elucidated by linking the low-level stable is...

Polycyclic aromatic hydrocarbons (PAHs) are organic pollutants that accumulate in the environment as a result of both natural and human processes. The molecular and isotopic signatures of these compounds vary depending on production conditions, and can be exploited to trace PAH contaminants in the environment to a particular source or responsible party. Environmental forensics investigations re...

Submit Manuscript | http://medcraveonline.com Abbreviations: LCPUFAs: Long-Chain Polyunsaturated Fatty Acids; ω6: Omega-6 Family; GLA: γ-Linolenic Acid; AA: Arachidonic Acid; ω3: Omega-3 Family; EPA: Eicosapentaenoic Acid; DHA: Docosahexaenoic Acid; AL: Linoleic Acid; AAL: Alpha-Linolenic Acids; vitamin A: Beta-Carotene; vitamin K: Phylloquinone; vitamin E: Alpha-Tocopherol; B1: Thiamine; B2: R...

? known This is a translation of a. ̂ ??H y describes the continental surgeon in which ie Procedures he employs in his clinics-9 arranged Each operation which is des ? ^on }s grouped ^c?rding to a simple plan. The cl K indications, gilder seven or eight headings, ? patient, an?sontra-indications, preparation of tjve care, and ^ csia, instruments, technique, post-ope ^ actUal sequelse. A telegrap...

This paper derives the analytic solution of nonlinear H∞ robust controller for a system with mass and moments of inertia uncertainties and investigates the implementation using control surface inverse algorithm. A special Lyapunov function with mass and moments of inertia uncertainties is introduced to solve the associated Hamilton-Jacobi partial differential inequality (HJPDI). The HJPDI is so...