相关实验视频

Updated: Jul 20, 2026

Ratiometric Imaging of Extracellular pH in Dental Biofilms
13:05

Ratiometric Imaging of Extracellular pH in Dental Biofilms

Published on: March 9, 2016

10.3K

酸性酸化物凝对体表面的作用:一个实验室研究

Nadia H Hasan1, Emad Farhan Alkhalidi1, Ammar Abdulghani Qasim2

  • 1Department of Conservative Dentistry, College of Dentistry, University of Mosul, Mosul, Iraq.

Journal of International Society of Preventive & Community Dentistry
|December 16, 2024
PubMed
概括

酸性酸盐化物 (APF) 凝处理显著增加了树脂改性玻璃离子体水泥到的微剪接强度 (μ-SBS). 这种表面调节增强了水泥对伊特里亚稳定四角陶多晶陶的粘附性.

关键词:
酸性酸盐化物凝是一种酸性酸盐化物凝.里埃变换红外光谱法 红外光谱法微剪切键强度的强度是微剪切键强度.锡尔科尼亚是的组成部分.

更多相关视频

Oral Biofilm Formation on Different Materials for Dental Implants11:19

Oral Biofilm Formation on Different Materials for Dental Implants

Published on: June 24, 2018

11.4K
Roughness Impact of Piezoelectric Dental Scaler on Two Distinct Flowable Composite Filling Materials05:30

Roughness Impact of Piezoelectric Dental Scaler on Two Distinct Flowable Composite Filling Materials

Published on: January 10, 2025

543

相关概念视频

Leveling Effect and Non-Aqueous Acid-Base Solutions02:11

Leveling Effect and Non-Aqueous Acid-Base Solutions

This lesson defines the leveling effect in acidic and basic solutions and its role in aqueous and non-aqueous solutions. It is essential to understand the competing nature of various species in a chemical system.
The Leveling Effect of a Solvent
A generic acid (HA) reacts with the generic base (B-) to yield the corresponding conjugate base (A-) and conjugate acid (HB):
Oxidations of Aldehydes and Ketones to Carboxylic Acids01:15

Oxidations of Aldehydes and Ketones to Carboxylic Acids

Oxidation of aldehydes and ketones results in the formation of carboxylic acids. Aldehydes, bearing hydrogen next to the carbonyl group, are easily oxidized compared to ketones. This is because an aldehydic proton can easily be abstracted during oxidation.
Aldehydes readily undergo oxidation in strong oxidizing agents such as potassium permanganate and chromic acid. The oxidation can also be carried out using mild oxidizing agents such as silver oxide. In fact, aldehydes can be easily oxidized...
Esters to Carboxylic Acids: Acid-Catalyzed Hydrolysis01:13

Esters to Carboxylic Acids: Acid-Catalyzed Hydrolysis

Hydrolysis of esters under acidic conditions proceeds through a nucleophilic acyl substitution. In the presence of excess water, the reaction proceeds in a reversible manner, forming carboxylic acids and alcohols.
During hydrolysis, the ester is first activated towards nucleophilic attack through the protonation of the carboxyl oxygen atom by the acid catalyst. The protonation makes the ester carbonyl carbon more electrophilic. In the next step, water acts as a nucleophile and adds to the...
Acids, Bases and Neutralization Reactions01:27

Acids, Bases and Neutralization Reactions

Acids and bases play several important roles in biology. The pH of a biological system can significantly impact the function of biological molecules, including enzymes, proteins, and nucleic acids. For example, enzymes have optimal pH ranges for their activity, and changes in pH can denature or alter their structure, affecting their function. Acids and bases also play a crucial role in cellular signaling and communication. The pH of the extracellular fluid around cells can influence the...
Acid Attack on Concrete01:21

Acid Attack on Concrete

When acids come into contact with concrete, they initiate a chemical reaction that dissolves the hydrated cement paste. This process leads to softening and structural weakening of the concrete. This issue is commonly observed in environments such as chimneys, sewers, and industrial settings. The severity of the damage increases as the pH of the water interacting with the concrete drops below 6.5. In particular, a pH under 4.5 can cause significant concrete damage.
The rate at which hydrogen...
Leveling Effect01:29

Leveling Effect

In acid-base chemistry, the leveling effect refers to the limitation imposed by the solvent on the strength of acids and bases in solution. When a base stronger than the solvent's conjugate base is used, it deprotonates the solvent until the base is entirely consumed, making it ineffective against weaker acids. Conversely, an acid stronger than the solvent's conjugate acid protonates the solvent until the acid is depleted, rendering it ineffective against weaker bases. Essentially, the solvent...