Results 141 to 150 of about 19,015,309 (380)

The Isolation of Prostaglandin E from Sheep Prostate Glands. [PDF]

open access: bronze, 1960
Sune Bergström   +4 more
openalex   +1 more source

Synthesis of tetranor-PGE1: a urinary metabolite of prostaglandins E1 and E2. [PDF]

open access: yesTetrahedron Lett, 2020
Kimbrough JR   +6 more
europepmc   +1 more source

Quantum Mechanical Reflection Resonances [PDF]

open access: yesarXiv, 2006
Resonances in the reflection probability amplitude r(E) can occur in energy ranges in which the reflection probability R(E)=|r(E)|^2 is 1. They occur as the phase phi(E) defined by r(E) = t*(E)/t(E) = 1e^{i 2phi(E)} undergoes a rapid change of pi radians. During this transition the phase angle exhibits a Lorentzian profile in that d(phi(E))/dE ~= 1/[(E-
arxiv  

Regulation of Dendritic Cell Function by Ermiaosan via the EP4-cAMP-CREB Signaling Pathway [PDF]

open access: yesarXiv
Ermiao San (EMS), a traditional Chinese medicine composed of Atractylodes macrocephala and Cortex Phellodendron, has demonstrated therapeutic efficacy in rheumatoid arthritis (RA). Studies suggest that EMS modulates dendritic cell (DC) maturation in adjuvant arthritis (AA) rats, though the precise mechanisms remain unclear.
arxiv  

On the residue fields of Henselian valued stable fields, II [PDF]

open access: yesarXiv, 2007
Let $E$ be a primarily quasilocal field, $M/E$ a finite Galois extension and $D$ a central division $E$-algebra of index divisible by $[M\colon E]$. In addition to the main result of Part I, this part of the paper shows that if the Galois group $G(M/E)$ is not nilpotent, then $M$ does not necessarily embed in $D$ as an $E$-subalgebra.
arxiv  

LC‐DAD‐MSn and HR‐LC‐QTOF analysis of Ziziphus budhensis leaves and evaluation of their in vitro and in vivo biological activities

open access: yesChemistry &Biodiversity, Accepted Article.
Ziziphus budhensis is a species described in 2015 in Nepal poorly studied for its phytochemical composition and possible bioactivities. In this study, six extracts were obtained from Z. budhensis leaves using ultrasound assisted extraction with solvents in increasing polarity.
Samjhana Bharati   +7 more
wiley   +1 more source

On volumes determined by subsets of Euclidean space [PDF]

open access: yesarXiv, 2011
Given $E \subset {\Bbb R}^d$, define the \emph{volume set} of $E$, ${\mathcal V}(E)= \{det(x^1, x^2, ... x^d): x^j \in E\}$. In $\R^3$, we prove that ${\mathcal V}(E)$ has positive Lebesgue measure if either the Hausdorff dimension of $E\subset \Bbb R^3$ is greater than 13/5, or $E$ is a product set of the form $E=B_1\times B_2\times B_3$ with $B_j ...
arxiv  

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