protonated

简明释义

英[ˈprəʊtəneɪtɪd]美[ˈproʊtəˌneɪtɪd]

v. 使质子化（protonate 的过去式和过去分词）

英英释义

单词用法

同义词

反义词

例句

1.The prodrug exposed to strong acid is protonated and undergoes a conformational change to its active form which is capable of inhibiting the proton pump.

前药的接触了强酸后被质子化，并且经过结构的改变成为真正能够抑制质子泵的活化形式。

2.The protonated coke sludge biomass was used as a new type of biosorbent for the removal of anionic dye Reactive Red 4(RR4).

以焦化厂污水处理车间的剩余污泥为材料，经过质子化处理制备生物吸附剂，进行了吸附活性红4（RR4）的研究。

3.Experimental results also indicate that the protonated cluster ions are produced through AID mechanism.

同时实验结果还表明：质子化产物离子是通过AID机理而来的。

4.The prodrug exposed to strong acid is protonated and undergoes a conformational change to its active form which is capable of inhibiting the proton pump.

前药的接触了强酸后被质子化，并且经过结构的改变成为真正能够抑制质子泵的活化形式。

5.Only protonated subunits can then rotate it to the membrane away from the static channel of subunit.

只有质子化了的亚基才能将它们从静态的亚基通道转送到远离膜的位置。

6.The protonated coke waste was used as a new type of biosorbent for the removal of anionic dye Reactive Red 4(RR4) and cationic dye Methylene Blue(MB).

以城市污水处理厂的剩余污泥为原料，经过质子化处理制备成生物吸附剂，进行了吸附水溶液中活性红4（RR4）和亚甲兰（MB）的研究。

7.The results showed that only acetone can formed protonated cluster ions.

实验结果表明只有丙酮在此波长处可与水形成质子化团簇。

8.Fluorescence quenching of DNA-EB system was induced by the electrostatic attraction between protonated DDAO and DNA.

阳离子态ddao与dna的强烈静电相互作用导致体系荧光猝灭。

9.After the ionization of the NMF-H 2o cluster, both the cis - and the trans-form will produce protonated products.

n甲替甲酰胺水团簇电离后，无论顺式和反式结构均有质子化产物生成。

10.The protonated form of the acid is more stable than its deprotonated counterpart.

酸的质子化形式比其去质子化的对应物更稳定。

11.The protonated species can participate in different chemical reactions than the neutral form.

与中性形式相比，质子化物种可以参与不同的化学反应。

12.When the pH level drops, more molecules become protonated and can affect the reaction rate.

当pH值降低时，更多的分子会被质子化，这会影响反应速率。

13.In acidic solutions, the amine group is often protonated, resulting in a positive charge.

在酸性溶液中，氨基通常是质子化的，从而导致正电荷。

14.In biological systems, amino acids can exist in both protonated and deprotonated states depending on the environment.

在生物系统中，氨基酸可以根据环境存在于质子化和去质子化状态。

作文

In the realm of chemistry, understanding the behavior of molecules is crucial for various applications, from drug design to material science. One important concept that often arises in this field is the idea of a molecule being protonated. When we say that a molecule is protonated, we refer to the process by which a proton (H⁺ ion) is added to a molecule, thereby increasing its positive charge. This process can significantly alter the properties and reactivity of the molecule in question.For instance, consider the amino acids that make up proteins. At physiological pH, the amino group (-NH2) of an amino acid can become protonated, turning into -NH3⁺. This change in charge is essential for the formation of peptide bonds and the overall structure of proteins. The protonation state of amino acids can influence protein folding and stability, which are critical for biological function.Moreover, the protonated form of a molecule can affect its solubility and interaction with other molecules. For example, when a weak acid donates a proton, it becomes negatively charged and may be less soluble in water. Conversely, when the same acid is protonated, it may become more soluble, allowing it to interact more effectively with other polar substances. This characteristic is particularly important in the formulation of pharmaceuticals, where the solubility of a drug can determine its bioavailability and efficacy.In addition to biological systems, the concept of protonation is also relevant in industrial chemistry. Catalytic reactions often involve the transfer of protons between reactants. For example, in acid-catalyzed reactions, the presence of a protonated species can facilitate the breaking and forming of chemical bonds, leading to faster reaction rates and improved yields. Understanding how and when to utilize protonated species can be a game-changer in developing efficient synthetic pathways.Furthermore, studying the protonation of various compounds allows chemists to predict their behavior in different environments. For instance, in acidic conditions, certain functional groups may become protonated, while in basic conditions, they may lose protons. This versatility is key in designing experiments and interpreting results in both academic and industrial settings.In conclusion, the term protonated encapsulates a fundamental aspect of chemistry that has far-reaching implications. Whether in biological systems, pharmaceutical development, or industrial processes, the ability to manipulate and understand protonation can lead to significant advancements. As we continue to explore the complexities of molecular interactions, the role of protonated species will undoubtedly remain a vital area of study, highlighting the intricate dance of protons that governs the behavior of matter at the molecular level.

在化学领域，理解分子的行为对各种应用至关重要，从药物设计到材料科学。一个经常出现的重要概念是分子被质子化的想法。当我们说一个分子被质子化时，我们指的是将一个质子（H⁺离子）添加到一个分子中，从而增加其正电荷的过程。这个过程可以显著改变相关分子的性质和反应性。例如，考虑构成蛋白质的氨基酸。在生理pH下，氨基酸的氨基（-NH2）可以被质子化，变成-NH3⁺。这种电荷的变化对于肽键的形成和蛋白质的整体结构至关重要。氨基酸的质子化状态可以影响蛋白质的折叠和稳定性，这对于生物功能至关重要。此外，分子的质子化形式可以影响其溶解度和与其他分子的相互作用。例如，当一个弱酸释放一个质子时，它会变得带负电，并且可能在水中溶解度降低。相反，当同样的酸被质子化时，它可能变得更易溶解，从而能够更有效地与其他极性物质相互作用。这一特性在药物配方中尤为重要，因为药物的溶解度可以决定其生物利用度和疗效。除了生物系统外，质子化的概念在工业化学中也很相关。催化反应通常涉及反应物之间的质子转移。例如，在酸催化反应中，质子化物种的存在可以促进化学键的断裂和形成，从而加快反应速率并提高产率。理解如何以及何时利用质子化物种可以成为开发高效合成途径的关键。此外，研究各种化合物的质子化使化学家能够预测它们在不同环境中的行为。例如，在酸性条件下，某些官能团可能会被质子化，而在碱性条件下，它们可能会失去质子。这种多样性在设计实验和解释结果时在学术和工业环境中都是关键。总之，质子化这一术语概括了化学的一个基本方面，具有深远的影响。无论是在生物系统、药物开发还是工业过程中，操控和理解质子化的能力都能带来显著的进步。随着我们继续探索分子相互作用的复杂性，质子化物种的角色无疑将继续成为一个重要的研究领域，突显出质子支配物质在分子层面行为的复杂舞蹈。