Results 41 to 50 of about 13,227,533 (113)

Crop production in the USA is frequently limited by a lack of pollinators

open access: yesProceedings of the Royal Society B, 2020
Most of the world's crops depend on pollinators, so declines in both managed and wild bees raise concerns about food security. However, the degree to which insect pollination is actually limiting current crop production is poorly understood, as is the ...
James R. Reilly   +35 more
semanticscholar   +1 more source

The conditional permutation test for independence while controlling for confounders

open access: yesJournal of the Royal Statistical Society: Series B (Statistical Methodology), 2018
We propose a general new method, the conditional permutation test, for testing the conditional independence of variables X and Y given a potentially high dimensional random vector Z that may contain confounding factors. The test permutes entries of X non‐
Thomas B. Berrett   +3 more
semanticscholar   +1 more source

Avaliação in vitro da ação citotóxica de Cecropia pachystachya Trécul, embaúba [PDF]

open access: yes, 2016
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências da Saúde, Programa de Pós-Graduação em Farmácia, Florianópolis, 2016.O câncer é uma das maiores causas de mortes no mundo sendo responsável por aproximadamente 13% da ...
Rosa, Henrique Herbst
core  

Investigations of guayule resin as a wood protectant [PDF]

open access: yes
Wood products are subject to deterioration by numerous processes, as a biological material. Today, a significant area of preservative development is the utilization of existing plant residues that have water-repelling, antibacterial, antifungal, and ...
Aguma, Queen
core   +1 more source

Semi-síntese de derivados dos triterpenos a e ß-amirina e síntese de estirilpironas via arilação de Heck com sais de arenodiazônio [PDF]

open access: yes, 2012
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas. Programa de Pós-Graduação em Química.Neste trabalho relatamos a obtenção de derivados sintéticos de uma mistura dos triterpenos ?
Soldi, Cristian
core  

Argentatin C Analogues with Potential Antinociceptive Activity and Other Triterpenoid Constituents from the Aerial Parts of <i>Parthenium incanum</i>. [PDF]

open access: yesACS Omega, 2023
Xu YM   +6 more
europepmc   +1 more source

Composition of Guayule (Parthenium argentatum Gray) resin. [PDF]

open access: yesSci Rep, 2023
Rousset A   +7 more
europepmc   +1 more source

Cycloartane- and Lanostane-Type Triterpenoids from the Resin of Parthenium argentatum AZ-2, a Byproduct of Guayule Rubber Production. [PDF]

open access: yesACS Omega, 2021
Xu YM   +7 more
europepmc   +1 more source

Plant-derived natural products targeting ion channels for pain. [PDF]

open access: yesNeurobiol Pain, 2023
Goyal S, Goyal S, Goins AE, Alles SRA.
europepmc   +1 more source

Home - About - Disclaimer - Privacy