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So, is ethanol a strong nucleophile? Is ethanol a strong nucleophile? To answer this question, first, we can take a look at the acidity and alkalinity of ethanol. Strictly speaking, it cannot cause the acid-base indicator to change color, nor can it react chemically with alkali. Therefore,...
11). However, NaOH pretreatment was necessary to observe strong clustering in COOH particles. NH2–SiO2 particles were first rinsed in deionized water and then resuspended multiple times in aqueous electrolyte solution until the measured supernatant conductivity converged to that of the pure electrolyte....
This article has been updatedAbstract The human immune system is composed of a distributed network of cells circulating throughout the body, which must dynamically form physical associations and communicate using interactions between their cell-surface proteomes1. Despite their therapeutic potential2, our...
This is the reason amphiphilic molecules have a very strong tendency to migrate to interfaces or surfaces and to adjust so that the polar group lies in water and the non-polar group is placed out of it, and ultimately in oil. Amphiphiles have other properties other than tension lowering and...
6 Dust storm: deterioration of visibility over a large area due to dust raised by strong winds. 7 Snow: precipitation in the form of ice crystals. 8 Fog: turbidity of the atmosphere with horizontal visibility less than 1 km. 9 Fog or haze with precipitation: cloudiness of the atmosphere du...
has been a major contributing factor. The prevalence of antimicrobial-resistant bacteria has attained an incongruous level worldwide and threatens global public health as a silent pandemic, necessitating urgent intervention. Therapeutic options of infections caused by antimicrobial-resistant bacteria are ...
Della Puppa A, Rustemi O, Gioffre G, Scienza R (2015) Approaching a brainstem high-grade glioma (HGG) with the assistance of 5-aminolevulinic acid (5-ALA) technology: a new strategy for an old surgical challenge. Neurol Sci 36:797–799...
There was no significant difference in brightness in all groups treated with propolis after dentin acid etching. Fig. 2 ΔL*, Δa* e Δb* values per experimental group. F test (ANOVA) has not shown a significant difference in the mean values of Δa* (P = 0.371) or Δb* (P...