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Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides

1,700+ technical articles by Aladdin Scientific's scientists on reagent selection, reaction mechanisms, assay design and formulation. New every week.

5929 articles
Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides

PEG-Azide-Alkyne—Bioorthogonal and Click Chemistry

Bioorthogonal chemistry refers to a series of reactions that occur in a biological environment without affecting biomolecules or interfering with biochemical processes. For this purpose, the reaction must meet the following requirements: fast, efficient, and specific. • pH: The reaction must ...

2025-06-10 03:33:47 Updated
Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides

Nucleotide Synthesis in Cancer Cells

In neoplastic cells, the de novo synthesis of nucleotides is responsible for maintaining sufficient nucleotide libraries to support DNA replication and RNA production. The metabolic pathways that support nucleotide production are dependent on metabolic intermediates provided by glycolysis and ...

2025-06-10 03:33:47 Updated
Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides

Use process of combined carbonization dialysis bag

Dialysis is the process of selective diffusion of substances through membranes. It can be used to separate solutes with different molecular weights. Substances with molecular weights lower than the membrane interception threshold can diffuse through the membrane, while substances with molecular ...

2025-06-10 03:33:46 Updated
Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides

Can the ready to use dialysis bag be reused? Yes, but not recommended

The ready to use dialysis bag is usually a bag shaped container made of a semi permeable membrane. During the preparation of biological macromolecules, dialysis technology is used to remove salt, a small amount of organic solvent, biological small molecule impurities, and concentrate samples. It ...

2025-06-10 03:33:46 Updated
Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides

Filling method and precautions of chromatographic column

Chromatographic column is a widely used method in chromatography, and it is also one of the commonly used separation methods in organic experiments. This column is the main part of gel chromatography technology, and glass tube or plexiglass tube is generally used. A chromatographic method for ...

2025-06-10 03:33:46 Updated
Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides

Selection of molecular weight (MWCO) and width of dialysis bag

Because the dialysis membrane is composed of spongy cross-linked polymers, the molecular weight cutoff (MWCO) representing the pore size of the membrane is an indirect parameter to measure the membrane separation performance. More precisely, the molecular weight of the membrane can be defined as ...

2025-06-10 03:33:47 Updated
Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides

What are the material, dialysis power and speed of viskase dialysis bag?

Generally, the semi permeable membrane is made into a bag, the sample solution of biomacromolecule is put into the bag, and the dialysis bag is immersed in water or buffer solution. The biomacromolecule with large molecular weight in the sample solution is retained in the bag, while the salt and ...

2025-06-10 03:33:46 Updated
Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides

Differences between Ni IDA and Ni NTA agarose gels

According to the different binding groups, Ni2+affinity chromatography columns can be divided into two types: Ni IDA agarose gel and Ni NTA agarose IDA and NTA.png gel.

2025-06-10 03:33:46 Updated
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