Results 1 to 10 of about 1,807,540 (186)
Solution-Mediated Polymorphic Transformation of L-Carnosine from Form II to Form I
In this study, L-carnosine was chosen as the model compound to systematically study solution-mediated polymorphic transformation by online experiment and theoretical simulation.
Yanan Zhou +4 more
doaj +1 more source
Impact of extraction method on alkaloid content and antioxidant activity of Matricaria pubescens
Matricaria pubescens is a medicinal plant much appreciated by the people of the Saharan regions and widely used to treat many diseases. The present study was devoted to evaluate the effect of extraction technique, pH and nature of solvent on alkaloid ...
Hassiba Metrouh-Amir, Nadir Amir
doaj +1 more source
Efficacy of Passive Ultrasonic Activation Assisted Hand vs. Rotary Retreatment Files in the Removal of Root Canal Filling Material: An In Vitro Study [PDF]
Introduction: Endodontic treatment failures are caused by persistent or secondary intraradicular infection due to inefficient treatment or re-infection of the obturated root canal system because of coronal or apical leakage.
Sumanthini V Margasahayam +4 more
doaj +1 more source
Effect of GuttaClear on Postoperative Pain After Root Canal Retreatment: A Randomized Clinical Trial
Objective: The aim of this study was to evaluate postoperative pain after non-surgical root canal retreatment with or without GuttaClear. Methods: Sixty participants were randomly distributed in this non-inferiority trial into two parallel singleblinded ...
Duangrat Sirijindamai +3 more
doaj +1 more source
A potentially dianionic symmetric bisthiosemicarbazone ligand H2LEt has been prepared by a condensation reaction between two equivalents of 4-N-ethyl-3-thiosemicarbazide and one equivalent of 4,4′-methylenebis(acetophenone).
Sandra Fernández-Fariña +3 more
doaj +1 more source
Antioxidants are molecules that neutralize free radicals. In general, the reaction mechanisms of antioxidants are well known. The main reaction mechanisms of antioxidants are electron transfer (ET), hydrogen transfer (HT), and radical adduction formation
Rogelio A. Delgado-Alfaro +1 more
doaj +1 more source
Functions of Ionic Liquids in Preparing Membranes for Liquid Separations: A Review
Membranes are widely used for liquid separations such as removing solute components from solvents or liquid/liquid separations. Due to negligible vapor pressure, adjustable physical properties, and thermal stability, the application of ionic liquids (ILs)
Dayuan Zheng +6 more
doaj +1 more source
Gaharu leaf extract produces yield extraction, phenol compound, and antibacterial activity in diverse quantities. The purpose of this research was to investigate the influence of the extraction method and type of solvent on the extractability of the ...
Budi Santoso +3 more
doaj +1 more source
Study of the sorption properties of solvents in thinlayer and column chromatography
Much attention is paid to the consideration of the causes of transformer oil aging under the influence of technogenic and natural factors. The paper insulation destruction mechanism is considered, as a result of which furan compounds are formed that ...
Vu Ngoc Dan, V. F. Novikov
doaj +1 more source
Enzymatic alcoholysis was performed in an organic medium to synthesize 2-monoacylglycerol (2-MAG) rich in arachidonic acid. The results showed that solvent type and water activity (aw) significantly affected the 2-MAG yield. Under the optimum conditions,
Xiaohan Wang +4 more
doaj +1 more source

