Results 81 to 90 of about 130,892 (321)

Structural basis of endo-siRNA processing by Drosophila Dicer-2 and Loqs-PD

Nucleic Acids Research
Abstract Endogenous small interfering RNAs (endo-siRNAs or esiRNAs) originate from either elongated endogenous transcripts capable of forming complex fold-back structures or from double-stranded regions generated through intermolecular base pairing of convergently transcribed mRNAs.
Na Cao, Jia Wang, Ting Deng, Boming Fan, Shichen Su, Jinbiao Ma, Hong-Wei Wang   +6 more
openaire   +2 more sources

Targeting the GPX4–FUNDC1 Interaction with Magnesium Lithospermate B Attenuates Sepsis‐Associated Lung Injury

Advanced Science, EarlyView.
The diagram depicts the endothelial‐protective mechanism of magnesium lithospermate B (MLB) in sepsis‐associated lung injury. MLB binds GPX4 at Gly79, disrupts its interaction with FUNDC1, prevents mitophagy‐mediated GPX4 degradation, restores mitophagic flux, reduces ROS, and limits ferroptosis.
Zhixi Li, Chang Liu, Zhaoxue Ma, Dongyou Zheng, Renkai Wang, Yongjing Yu, Guangmin Chen, Chenglong Li, Yue Bu, Hang Cao, Bing Zhang   +10 more
wiley   +1 more source

Modification of the existing maximum residue levels for sodium 5‐nitroguaiacolate, sodium o‐nitrophenolate and sodium p‐nitrophenolate (sodium nitrocompounds) in table olives and olives for oil production

EFSA Journal, 2020
In accordance with Article 6 of Regulation (EC) No 396/2005, the applicant Asahi Chemical Europe s.r.o. submitted a request to the competent national authority in Greece to modify the existing maximum residue levels (MRLs) for the active substances ...
European Food Safety Authority (EFSA), Maria Anastassiadou, Giovanni Bernasconi, Alba Brancato, Luis Carrasco Cabrera, Lucien Ferreira, Luna Greco, Samira Jarrah, Aija Kazocina, Renata Leuschner, Jose Oriol Magrans, Ileana Miron, Stefanie Nave, Ragnor Pedersen, Hermine Reich, Alejandro Rojas, Angela Sacchi, Miguel Santos, Alessia Pia Scarlato, Anne Theobald, Benedicte Vagenende, Alessia Verani   +21 more
doaj   +1 more source

New high-performance liquid chromatography-dad method for analytical determination of arbutin and hydroquinone in rat plasma [PDF]

, 2015
Natural substances present in herbal preparations should be carefully used because they can give toxic or therapeutic effects despite of their amount or the way of administration.
Altieri, I., D'Amore, E., Gallo, F. R., Multari, G., PAGLIUCA, GIORDANA, Panzini, G.   +5 more
core   +2 more sources

The 2016 European Union report on pesticide residues in food

EFSA journal. European Food Safety Authority, 2018
This report provides an insight into the official control activities carried out by EU Member States, Iceland and Norway in 2016. Based on the analytical results provided by the reporting countries, a detailed data analysis was performed regarding ...

semanticscholar   +1 more source

Sulfate‐Directed Silver Dendrites with Enhanced Stability for Ultrasensitive SERS‐Based Therapeutic Drug Monitoring

Advanced Science, EarlyView.
This study presents sulfate‐directed silver dendrites (s‐AgDs) as oxidation‐resistant SERS substrates with long‐term stability, reproducibility, and sub‐picomolar sensitivity. Sulfate ions guide anisotropic growth and protect the surface, enabling improved performance over 7 months under ambient conditions.
Aradhana Dwivedi, Jan Dellith, Anna Makarova, Samir F. El‐Mashtoly, Juergen Popp, Vladimir Sivakov, Dana Cialla‐May   +6 more
wiley   +1 more source

Determination of sensitivity limit in quantative analysis of polycyclic aromatic hydrocarbons by Gc-ms [PDF]

Acta Periodica Technologica, 2004
The limit of detection (LOD) and the limit of quantitation (LOQ) for 16 individual PAHs from the Environmental Protection Agency (EPA) list (naphthalene, acenaphthylene, acenaphtene, fluorene, phenanthrene antrachene, fluoranthene, pyrene, benzo(a ...
Marjanović Nikola J., Kravić Snežana Ž., Suturović Zvonimir J., Švarc-Gajić Jaroslava V.   +3 more
doaj   +1 more source

A liquid chromatography tandem mass spectrometry method for simultaneous analysis of 46 atmospheric particulate-phase persistent organic pollutants and comparison with gas chromatography/mass spectrometry, [PDF]

, 2017
A novel multi-analyte method for the simultaneous determination of 46 compounds of environmental concern, most of them belonging to the category of persistent organic pollutants, was developed using high-performance liquid chromatography and the results ...
Buiarelli, Francesca, Di Filippo, Patrizia, Pomata, Donatella, Riccardi, Carmela, Bartocci, Martina   +4 more
core   +1 more source

Portable EDXRF spectrometer: determination of linearity, LOD, LOQ, and working range for the analysis of base and precious metals in liquid matrices

Journal of Physics: Conference Series, 2023
Abstract Utilizing a portable energy dispersive X-ray fluorescence (EDXRF) spectrometer and certified reference materials, this study aimed to determine the linearity, limit of detection (LOD), limit of quantification (LOQ), and working range of the method for quantitative analysis of base and precious metals in liquid matrices.
A Krummenauer, L H Lapazin, M P Cenci, H M Veit   +3 more
openaire   +1 more source

Machine Learning‐Enhanced Analysis of Exosomal Surface Sialic Acid Using Surface‐Enhanced Raman Spectroscopy for Ovarian Cancer Diagnosis and Therapeutic Monitoring

Advanced Science, EarlyView.
Machine learning‐assisted surface‐enhanced Raman spectroscopy analysis of exosomal sialic acid for ovarian cancer diagnosis, as well as independent monitoring of exosomal sialic acid expression levels across different treatment periods, reveals a potential correlation with treatment response.
Lili Cong, Jiaqi Wang, Sijun Huang, Xiaxia Man, Yi Guo, Shuping Xu, Songling Zhang   +6 more
wiley   +1 more source