منابع مشابه
Alfred Henry Sturtevant (1891?1970)
Alfred Henry Sturtevant studied heredity in fruit flies in the US throughout the twentieth century. From 1910 to 1928, Sturtevant worked in Thomas Hunt Morgan?s research lab in New York City, New York. Sturtevant, Morgan, and other researchers established that chromosomes play a role in the inheritance of traits. In 1913, as an undergraduate, Sturtevant created one of the earliest genetic maps ...
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Fundamental questions in Diophantine approximation are related to the Hausdorff dimension of sets of the form {x ∈ R : δx = δ}, where δ ≥ 1 and δx is the Diophantine approximation exponent of an irrational number x. We go beyond the classical results by computing the Hausdorff dimension of the sets {x ∈ R : δx = f(x)}, where f is a continuous function. Our theorem applies to the study of the ap...
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Otto Mangold [5] was an early-twentieth-century embryologist who specialized in the development of amphibian embryos. A major emphasis of his research was refining the concept of the organizer [6], now referred to as embryonic induction [7]. He was born on 4 November 1891 in Auenstein, Germany, and came from what Viktor Hamburger [8], a colleague and personal acquaintance, described as ?peasant...
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In his fundamental research on generalized harmonic analysis, Wiener proved that the integrated Fourier transform defined by Wf(γ) = ∫ f(t) (e−2πiγt − χ[−1,1](t))/(−2πit) dt is an isometry from a nonlinear space of functions of bounded average quadratic power into a nonlinear space of functions of bounded quadratic variation. We consider this Wiener transform on the larger, linear, Besicovitch ...
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The cytochrome P450 2C19 (CYP2C19) enzyme plays an important role in the metabolism of many commonly used drugs. Relatively little is known about CYP2C19 inhibitors, including compounds of natural origin, which could inhibit CYP2C19, potentially causing clinically relevant metabolism-based drug interactions. We evaluated a series (N = 49) of structurally related plant isoquinoline alkaloids for...
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ژورنال
عنوان ژورنال: Biographical Memoirs of Fellows of the Royal Society
سال: 1971
ISSN: 0080-4606,1748-8494
DOI: 10.1098/rsbm.1971.0001