Results 31 to 40 of about 3,256 (222)
The origin of the legend of Maurice and the Theban legend [PDF]
, 2009 The primary account of the martyrdom of Maurice and the Theban legion occurs in a letter addressed by Eucherius, bishop of Lyons c. 434-50, to a fellow bishop, Salvius.
Woods, David
core +1 more source
Yeast, Volume 42, Issue 12, Page 303-310, December 2025.ABSTRACT Yeasts have been intimately connected with human civilization for millennia, originally used for fermentation in food and beverage production. This article explores the multifaceted roles of yeasts—particularly Saccharomyces cerevisiae—as both a model organism and a cell factory.
Jens Nielsen
wiley +1 more source
Synthese, Kristallstruktur und Eigenschaften von Tetraaminophosphonium-iodid P(NH2)4I [PDF]
, 1994 The title compound has been prepared starting from phosphorothionic triamide SP(NH2)3 by methylation of the sulfur atom and subsequent ammonolysis reaction in dry acetonitrile and dichloromethane, respectively, both at room temperature.
Horstmann, Stefan, Schnick, Wolfgang
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Total biosynthesis of opiates by stepwise fermentation using engineered Escherichia coli
Nature Communications, 2016 Opiates—the gold standard for pain relief—are currently produced by extraction from opium poppies. Here the authors show that bacteria can serve as an efficient and flexible platform for the production of opiates by demonstrating the total synthesis of ...
Akira Nakagawa +9 more
doaj +1 more source
Frontiers in Microbiology, 2019 Secondary metabolite biosynthesis in medicinal plants is multi-step cascade known to be modulated by associated endophytes. While a single endophyte is not able to upregulate all biosynthetic steps, limiting maximum yield achievement.
Tania Ray +5 more
doaj +1 more source
In Vitro Polyploidy Induction in Persian Poppy (Papaver bracteatum Lindl.)
Caryologia, 2020 Papaver bracteatum Lindl. grows as a wild perennial medicinal plant in Northern Iran and is known mainly for its high amounts of the pharmaceutically valuable alkaloid of thebaine. In vitro production of tetraploid P.
Saeed Tarkesh Esfahani +2 more
doaj +1 more source
ChemCatChem, Volume 17, Issue 21, November 10, 2025.Cobalamin‐dependent aryl methyl ether O‐demethylases have high potential for biocatalytic applications, including lignin valorization and synthetic chemistry. In this review, we provide a detailed overview of such O‐demethylase systems identified to date from various microorganisms, including their mechanism, substrate scope and selectivity, and ...
Niels Krabbe Johnsen +4 more
wiley +1 more source
Postmortem tissue distribution of morphine and its metabolites in a series of heroin related deaths [PDF]
, 2018 The abuse of heroin (diamorphine) and heroin deaths are growing around the world. The interpretation of the toxicological results from suspected heroin deaths is notoriously difficult especially in cases where there may be limited samples.
Beer, Lewis J. +6 more
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A Systematic Review on Main Chemical Constituents of Papaver bracteatum
Journal of Medicinal Plants, 2015 Papaver bracteatum Lindly (Papaveraceae) is an endemic species of Iran which has economic importance in drug industries. The main alkaloid of the plant is thebaine which is used as a precursor of the semi-synthetic and synthetic compounds including ...
M Soleymankhani +5 more
doaj
Influenza and Other Respiratory Viruses, Volume 19, Issue 10, October 2025.ABSTRACT Background Natural alkaloids are a structurally diverse class of bioactive compounds with significant therapeutic potential. This study aimed to evaluate the in vitro antiviral activity of various natural alkaloids against coronaviruses, clarify molecular effects via bioassays and docking, and explore structure–activity relationships.
Marcela Safratova +11 more
wiley +1 more source