Results 61 to 70 of about 5,784 (223)

Interaction of solid organic acids with carbon nanotube field effect transistors [PDF]

open access: yesChem. Phys. Lett. 430 (2006) 75, 2007
A series of solid organic acids were used to p-dope carbon nanotubes. The extent of doping is shown to be dependent on the pKa value of the acids. Highly fluorinated carboxylic acids and sulfonic acids are very effective in shifting the threshold voltage and making carbon nanotube field effect transistors to be more p-type devices.
arxiv   +1 more source

Effect of ethylenediamine tetraacetic acid and etidronic acid on the surface roughness of Biodentine: in vitro

open access: yesActa Odontologica Turcica, 2017
Objective: The aim of this study was to evaluate the effect of 9% etidronic acid (HEBP) and 17% ethylenediamine tetraacetic acid (EDTA) on the surface roughness of Biodentine.
Özgür İlke Atasoy Ulusoy   +2 more
doaj   +1 more source

Effect of various calcium hydroxide removal protocols on the dislodgement resistance of biodentine in an experimental apexification model

open access: yesJournal of Dental Sciences, 2021
Background/purpose: Residual calcium hydroxide (CH) in the root canal dentine walls may influence the adhesion of tricalcium silicate-based materials.
Özgür İlke Ulusoy   +2 more
doaj  

세륨 산화물과 실리콘 기반의 웨이퍼의 상호작용에 대한 직접적, 정량적 분석 및 pH-범용적 CMP 후 세정 용액의 개발 [PDF]

open access: yes, 2022
학위논문(박사) -- 서울대학교대학원 : 공과대학 화학생물공학부, 2022. 8. 김재정.The size of the semiconductor devices reduces and their density increases, the semiconductor manufacturing process is becoming more important.
명경규
core  

Efficacy of preheated chelating agents on calcium ion removal from instrumented root canals [PDF]

open access: yes, 2021
The heating of chelating agents such as EDTA increases dentin wettability by decreasing surface tension. However, the calcium ion release effect of preheated chelating agents in instrumented root canals has not yet been mentioned.
Demirkaya, Kadriye   +4 more
core   +1 more source

The calcium-regulating system and recurrent peptic ulcer [PDF]

open access: yesТерапевтический архив, 2016
Aim. To elucidate the functional state and value of the calcium-regulating system, calcium and phosphorus metabolism in the pathogenesis and sanogenesis of peptic ulcer (PU); to define the possible ways to correct shifts found in the treatment of disease
V V Chernin, L A Fomina
doaj  

Chronopotentiometric study of the transport of phosphoric acid anions through an anion-exchange membrane under different pH values [PDF]

open access: yes, 2020
[EN] Phosphate is the main cause of eutrophication in many water bodies. Its presence in waters is associated to the fact that is not completely removed in conventional wastewater treatment plants.
Bernardes, A.M.   +4 more
core   +1 more source

Symmetry Scheme for Amino Acid Codons [PDF]

open access: yesPhys.Rev.E65, 021912 (2002), 2003
Group theoretical concepts are invoked in a specific model to explain how only twenty amino acids occur in nature out of a possible sixty four. The methods we use enable us to justify the occurrence of the recently discovered twenty first amino acid selenocysteine, and also enables us to predict the possible existence of two more, as yet undiscovered ...
arxiv   +1 more source

Improvement of Thermal Stability and Flame Retardancy of Beech Wood Fibers Using Steam Explosion and Phosphorylation Reaction

open access: yesBioResources, 2023
An environmentally friendly approach was studied for improving the fire retardancy of beech wood using a steam explosion process coupled with a phosphorylation reaction.
Liangsong Cheng   +8 more
doaj   +2 more sources

Etidronic Acid as a Root Canal Irrigant: A Systematic Review of its Efficacy in Disinfection and Potential to Enhance Endodontic Treatment Outcomes [PDF]

open access: yes
Aim: This systematic review aims to critically evaluate the efficacy of 1-hydroxyethylidene-1,1-bisphosphonate (HEBP) as an antimicrobial irrigant in root canal disinfection protocols.Materials and Methods: A comprehensive literature search was conducted
Nihar Shetty , Preethesh Shetty , Raksha Bhat , Kevin D’cunha , M I Shanavaz
core   +2 more sources

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