C&EN25 天
Gelation during Ring-Opening Reactions of Cellulosics with Cyclic Anhydrides: Phenomena and ...
Department of Chemistry, Virginia Tech, Blacksburg, Virginia 24061, United States Department of Sustainable Biomaterials, Virginia Tech, Blacksburg, Virginia 24061, United States ...
高考网27 天
2025年高考生物组织中还原糖、脂肪、蛋白质的鉴定
其反应式如下： CH2OH—(CHOH)4—CHO＋2Cu(OH)2→CH2OH—(CHOH)4—COOH＋Cu2O↓＋2H2O 用斐林试剂鉴定还原糖时 ... 的硫酸铜溶液。在碱性溶液(NaOH)中，双缩脲(H2NOC—NH—CONH2)能与Cu2+作用，形成紫色或紫红色的络合物，这个反应叫做双缩脲反应。由于蛋白质分子中含有很多 ...
Healthline27 天
Magnesium Oxide: Benefits, Side Effects, Dosage, and Interactions
Magnesium oxide is a supplement often used to treat migraine and constipation. It may provide other health benefits, including potentially lowering blood pressure and blood sugar levels. Magnesium ...
verywellhealth1 个月
High Stomach Acid Symptoms
Symptoms of high stomach acid can include belly pain, bloating, and heartburn. They can be caused by bacterial infections, stress, and rebound effects from medication withdrawal. Stomach acid is ...
C&EN1 个月
From Gas to Solution: The Changing Neutral Structure of Proline upon Solvation
The valence photoelectron spectra are more difficult to interpret because of the overlapping signals of proline with the solvent and pH-adjusting agents (HCl and NaOH). Yet, we are able to reveal ...
Health.com9 个月
What Does Citric Acid Do to Your Body?
Citric acid is a compound found naturally in citrus fruits like lemons, limes, and oranges. It's what gives these fruits their distinct acidic flavors. The natural form of citric acid is an ...