Results 21 to 30 of about 33,360 (259)

PNAS and prejudice [PDF]

open access: yesProceedings of the National Academy of Sciences, 2020
On April 10, 2020, only about 2 months ago in this terrible year, PNAS published my editorial addressing the coronavirus disease 2019 (COVID-19) crisis (1), which, at that point, had killed more than 100,000 people around the world and more than 18,500 in the United States.
openaire   +2 more sources

γ-PNA PREORGANIZATION: SYNTHESIS OF MODEL DIMER AND ITS STRUCTURE STUDY BY 2D NMR SPECTROSCOPY

open access: yesТонкие химические технологии, 2017
The synthesis of a dimer consisting of γ-thymine chiral monomer based on L-Ala and thymine aeg-PNA monomer (synthesized from deuterated glycine), in which the methylene protons of the pseudopeptide residue were exchanged with deuterium atoms, was ...
A. V. Dezhenkov   +4 more
doaj   +1 more source

Towards Continuous Deployment for Blockchain

open access: yesApplied Sciences, 2021
Ensuring a production-ready state of the application under development is the immanent feature of the continuous delivery approach. In a blockchain network, nodes communicate, storing data in a decentralized manner.
Tomasz Górski
doaj   +1 more source

Column Extraction and Separation of Some Metal Ions by Diethylenetriamine Polysiloxane Immobilized Ligand System

open access: yesE-Journal of Chemistry, 2008
An extraction chromatographic solid porous polysiloxane functionalized by chelating diethylenetriamine ligand of the general formula P-(CH2)3-NH(CH2)2NH(CH2)2NH2, (Where P represents [Si-O]n siloxane network) has been evaluated for the separation of Co ...
Nizam M. El-Ashgar
doaj   +1 more source

Self -Assembled Monolayers with Peptide Nucleic Acid (PNA) Probe to Develop Electrochemical Biosensors

open access: yesDüzce Üniversitesi Bilim ve Teknoloji Dergisi, 2019
Alkanethiolself-assembled monolayers (SAMs) with Peptide Nucleic Acid (PNA) were proposedas a novel probe design in electrochemical biosensors.
Zehra Banu Bahsi Oral
doaj   +1 more source

Evaluating the effect of ionic strength on duplex stability for PNA having negatively or positively charged side chains. [PDF]

open access: yesPLoS ONE, 2013
The enhanced thermodynamic stability of PNA:DNA and PNA:RNA duplexes compared with DNA:DNA and DNA:RNA duplexes has been attributed in part to the lack of electrostatic repulsion between the uncharged PNA backbone and negatively charged DNA or RNA ...
N Tilani S De Costa, Jennifer M Heemstra
doaj   +1 more source

Pairwise Versus Multiple Global Network Alignment

open access: yesIEEE Access, 2020
Biological network alignment (NA) aims to identify similar regions between molecular networks of different species. NA can be local or global. Just as the recent trend in the NA field, we also focus on global NA, which can be pairwise (PNA) and multiple (
Vipin Vijayan   +4 more
doaj   +1 more source

Uso de plaguicidas no autorizados en alimentos agrícolas primarios, Perú (2011-2018)

open access: yesManglar, 2022
El monitoreo de contaminantes que afecten la inocuidad de alimentos agropecuarios primarios se inició el año 2011 en el Perú. Se efectuó una revisión documental de los informes de monitoreo publicados en el sitio web del Servicio Nacional de Sanidad ...
Germán H. Correa-Núñez   +1 more
doaj   +1 more source

Catalytic and Electrochemical Sensing Studies of Silver/Poly(1-Naphthylamine) Nanocomposites Synthesised by a Green Method [PDF]

open access: yesJournal of Water and Environmental Nanotechnology, 2023
Metal nanoparticles incorporated conducting polymer nanocomposites have outstanding properties and potential applications in various fields and significant research has been carried out over the last two decades for the development of efficient methods ...
Femina Kanjirathamthadathil Saidu   +3 more
doaj   +1 more source

Anúncios públicos unilaterais de preços e outras condições comerciais:

open access: yesRevista de Defesa da Concorrência
Contexto: o artigo discute se e como os anúncios públicos de preços e outras condições comerciais (também denominados de “revelação unilateral de informações”, “divulgação unilateral de informações” ou “price signaling”) feitos por empresas, associações
Leonardo Rocha e Silva   +2 more
doaj   +1 more source

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