Alfa Chemistry

Alfa Chemistry a adăugat un sunet Alte
2025-11-27 09:38:09 -

Cucurbituril: Unlocking the Chemistry of Macrocyclic Synthesis and Designer Host-Guest Systems
What Is Cucurbituril? Cucurbiturils (CBs) is a macrocyclic host molecule consisting of ethylenedicarbazone repeating units linked by methylene bridges. Its rigid barrel structure forms a hydrophobic inner cavity flanked by carbonyl-lined portals, enabling selective host-guest interactions. The volume of the inner cavity, the diameter of the portals, and the binding affinity depend on the...

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Alfa Chemistry a adăugat un sunet Health
2025-11-27 09:32:39 -

Aspirin: A Phenyl Ester of an Alkyl Alkanoate Drug
1997 marked the 100th anniversary of the synthesis of 2-hydroxybenzoic acid (salicylic acid), an acetate ester of 2-hydroxybenzoic acid, namely 2-acetoxybenzoic acid (acetylsalicylic acid), more commonly known as aspirin. Aspirin was the first drug to undergo clinical trials before being marketed in 1899. Worldwide, humans have taken over 100 billion tablets to relieve headaches, rheumatic...

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Alfa Chemistry a adăugat un sunet Wellness
2025-08-13 09:11:32 -

Comprehensive Guide to Cosmetic Stability Testing: Ensuring Product Safety and Quality
What is Cosmetic Stability Testing? Cosmetic stability testing is an experiment to assess the physical, chemical and microbiological stability of a cosmetic under controlled storage conditions during its lifecycle. These tests are essential for cosmetics' safety, efficacy, and quality, especially in the product's shelf life after introduction. Stability testing will help determine if there is...

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Alfa Chemistry a adăugat un sunet Alte
2025-08-13 09:04:38 -

Optimizing Silica Gel Mesh Size in Column Chromatography for Enhanced Separation Efficiency
Column chromatography functions as an essential analytical technique used for separating and purifying complex compounds in chemical analysis. The separation process relies on the chemical properties differences of compounds including polarity and size through interactions between the stationary and mobile phase. The application of this technique spans organic chemistry and pharmaceutical...

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Alfa Chemistry updated the profile picture
2025-08-13 08:45:44 -

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