Results 1 to 10 of about 281,084 (357)

Efficacy of fluorides and CPP-ACP vs fluorides monotherapy on early caries lesions: A systematic review and meta-analysis.

PLoS ONE, 2018
The study aimed to evaluate the efficacy of the combination of CPP-ACP and fluorides compared with fluorides monotherapy on patients with early caries lesions.
Siying Tao, Yan Zhu, He Yuan, Sibei Tao, Yiming Cheng, Jiyao Li, Libang He   +6 more
doaj   +2 more sources

Worldwide Variations in Fluoride Content in Beverages for Infants

Children, 2023
In situations where breastfeeding is impractical, milk formulas have emerged as the primary choice for infant nutrition. Numerous global studies have scrutinized the fluoride content in these formulas, uncovering fluctuations in fluoride levels directly ...
Eleonor Velez-León, Edisson-Mauricio Pacheco-Quito, Mario Díaz-Dosque, Daniela Tobar-Almache   +3 more
doaj   +1 more source

FeO(OH)@C‐Catalyzed Selective Hydrazine Substitution of p‐Nitro‐Aryl Fluorides and their Application for the Synthesis of Phthalazinones

ChemistryOpen, 2022
An efficient hydrazine substitution of p‐nitro‐aryl fluorides with hydrazine hydrates catalyzed by FeO(OH)@C nanoparticles is described. This hydrazine substitutions of p‐nitro‐aryl fluorides bearing electron‐withdrawing groups proceeded efficiently with
Dingzhong Li, Wensheng Zhang, Dr. Longzhi Zhu, Prof. Dr. Shuang‐Feng Yin, Prof. Dr. Nobuaki Kambe, Prof. Dr. Renhua Qiu   +5 more
doaj   +1 more source

Electroreductive hydroxy fluorosulfonylation of alkenes

Nature Communications, 2023
An electroreductive strategy for radical hydroxyl fluorosulfonylation of alkenes with sulfuryl chlorofluoride and molecular oxygen from air is described.
Qingyuan Feng, Tianyu He, Shencheng Qian, Peng Xu, Saihu Liao, Shenlin Huang   +5 more
doaj   +1 more source

Selective Chemical Filters for VOF₃: Tailoring MgF₂ Filter Selectivity through Surface Chemistry

Surfaces, 2023
In order to synthesize chemical filters for the selective removal of volatile fluorides, commercial magnesium fluoride MgF2 with high specific surface area (HSA) was investigated.
Laurent Jouffret, Jean-Michel Hiltbrunner, Elodie Petit, Ania Selmi, Bertrand Morel, Marc Dubois   +5 more
doaj   +1 more source

Solubility of calcium and strontium fluorides in a sodium nitrate melt and choosing a crucible material for working with their solution melts

Конденсированные среды и межфазные границы, 2023
Sodium nitrate is a promising medium for the preparation of nanoparticles of some inorganic fluorides and for studying low-temperature phase equilibria in fluoride systems.
Irina I. Buchinskaya, Victoria Al. Ivchenko   +1 more
doaj   +1 more source

Accumulation of fluorides by plants of Bidens tripartita L. species on the territories with endemic fluorine deficit

Біологічні студії, 2017
The influence of edaphic and geographic factors on accumulation of fluorides by the plants of the species growing on the territory with deficit of fluorine was studied.
O. O. Perepelytsia, O. I. Smetanjuk, K. P. Kupchanko   +2 more
doaj   +1 more source

Teor de fluoretos em infusões de chá verde (Camellia sinensis) Fluoride content in green tea infusions (Camellia sinensis)

Química Nova, 2008
The aim of this work was to study the influence of green tea consumption on fluoride ingestion. The extraction conditions of fluorides from green tea infusions were defined and nine brands of green tea available in Portugal were analyzed.
Márcia Reto, Maria Eduardo Figueira, Helder Mota Filipe, Cristina M. M. Almeida   +3 more
doaj   +1 more source

Visible-light induced transition-metal and photosensitizer-free conversion of aldehydes to acyl fluorides under mild conditions

Green Synthesis and Catalysis, 2022
Acyl fluorides are powerful synthons for acylation with wide application in the synthesis of valued compounds, especially peptides. Herein, a practical and catalyst-free method for the synthesis of acyl fluorides from aldehydes via C(sp2)–H fluorination ...
Yatao Lang, Xinlong Han, Xiangjun Peng, Zhong Zheng, Chaojun Li, Huiying Zeng   +5 more
doaj  

Deoxyfluorination of acyl fluorides to trifluoromethyl compounds by FLUOLEAD®/Olah’s reagent under solvent-free conditions

Beilstein Journal of Organic Chemistry, 2020
A new protocol enabling the formation of trifluoromethyl compounds from acyl fluorides has been developed. The combination of FLUOLEAD® and Olah’s reagent in solvent-free conditions at 70 °C initiated the significant deoxyfluorination of the acyl ...
Yumeng Liang, Akihito Taya, Zhengyu Zhao, Norimichi Saito, Norio Shibata   +4 more
doaj   +1 more source