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Home CHEMICALS & MATERIALS

Comparative Analysis of Polystyrene Microspheres and Polystyrene Carboxyl Microspheres extraction of rna

Jun 06,2025
in CHEMICALS & MATERIALS
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Comparative Analysis of Polystyrene Microspheres and Polystyrene Carboxyl Microspheres extraction of rna
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Relative Analysis of the Application of Polystyrene Microspheres and Polystyrene Carboxyl Microspheres in Biotechnology – Focusing on Nucleic Acid Removal.


(LNJNbio Polystyrene Microspheres)

In the area of modern-day biotechnology, microsphere products are commonly used in the extraction and purification of DNA and RNA as a result of their high details surface, excellent chemical stability and functionalized surface area residential or commercial properties. Amongst them, polystyrene (PS) microspheres and their derived polystyrene carboxyl (CPS) microspheres are just one of both most widely researched and used products. This post is offered with technical support and information evaluation by Shanghai Lingjun Biotechnology Co., Ltd., aiming to systematically compare the performance differences of these two kinds of products in the procedure of nucleic acid removal, covering vital indicators such as their physicochemical residential properties, surface area modification capability, binding efficiency and recuperation rate, and highlight their suitable circumstances with speculative information.

Polystyrene microspheres are uniform polymer bits polymerized from styrene monomers with great thermal stability and mechanical toughness. Its surface area is a non-polar structure and normally does not have active useful teams. For that reason, when it is directly made use of for nucleic acid binding, it needs to depend on electrostatic adsorption or hydrophobic action for molecular addiction. Polystyrene carboxyl microspheres present carboxyl functional teams (– COOH) on the basis of PS microspheres, making their surface with the ability of additional chemical combining. These carboxyl teams can be covalently adhered to nucleic acid probes, healthy proteins or various other ligands with amino teams via activation systems such as EDC/NHS, thereby achieving much more stable molecular fixation. Therefore, from an architectural point of view, CPS microspheres have much more advantages in functionalization possibility.

Nucleic acid removal typically consists of actions such as cell lysis, nucleic acid launch, nucleic acid binding to strong stage providers, cleaning to eliminate impurities and eluting target nucleic acids. In this system, microspheres play a core role as strong stage service providers. PS microspheres mainly depend on electrostatic adsorption and hydrogen bonding to bind nucleic acids, and their binding performance has to do with 60 ~ 70%, yet the elution performance is low, just 40 ~ 50%. On the other hand, CPS microspheres can not only make use of electrostatic effects yet likewise achieve even more strong fixation via covalent bonding, decreasing the loss of nucleic acids throughout the washing process. Its binding efficiency can reach 85 ~ 95%, and the elution effectiveness is additionally boosted to 70 ~ 80%. Furthermore, CPS microspheres are likewise dramatically far better than PS microspheres in terms of anti-interference capacity and reusability.

In order to confirm the efficiency differences in between the two microspheres in actual operation, Shanghai Lingjun Biotechnology Co., Ltd. performed RNA removal experiments. The speculative samples were originated from HEK293 cells. After pretreatment with conventional Tris-HCl buffer and proteinase K, 5 mg/mL PS and CPS microspheres were utilized for extraction. The results revealed that the typical RNA yield drawn out by PS microspheres was 85 ng/ μL, the A260/A280 proportion was 1.82, and the RIN value was 7.2, while the RNA yield of CPS microspheres was raised to 132 ng/ μL, the A260/A280 proportion was close to the optimal value of 1.91, and the RIN value got to 8.1. Although the procedure time of CPS microspheres is slightly longer (28 minutes vs. 25 minutes) and the price is higher (28 yuan vs. 18 yuan/time), its extraction top quality is substantially improved, and it is better for high-sensitivity detection, such as qPCR and RNA-seq.


( SEM of LNJNbio Polystyrene Microspheres)

From the perspective of application situations, PS microspheres appropriate for large screening projects and preliminary enrichment with low demands for binding specificity as a result of their inexpensive and basic operation. Nonetheless, their nucleic acid binding capacity is weak and easily influenced by salt ion concentration, making them inappropriate for long-lasting storage space or duplicated usage. On the other hand, CPS microspheres appropriate for trace sample removal due to their rich surface functional groups, which facilitate more functionalization and can be made use of to create magnetic bead discovery packages and automated nucleic acid extraction systems. Although its prep work process is reasonably complex and the cost is fairly high, it shows stronger adaptability in clinical research and clinical applications with rigorous needs on nucleic acid extraction effectiveness and pureness.

With the fast development of molecular diagnosis, genetics modifying, liquid biopsy and various other areas, greater needs are placed on the performance, purity and automation of nucleic acid extraction. Polystyrene carboxyl microspheres are gradually changing typical PS microspheres as a result of their superb binding performance and functionalizable features, ending up being the core choice of a new generation of nucleic acid extraction materials. Shanghai Lingjun Biotechnology Co., Ltd. is additionally continuously optimizing the fragment size circulation, surface density and functionalization effectiveness of CPS microspheres and creating matching magnetic composite microsphere products to fulfill the requirements of professional medical diagnosis, scientific research study establishments and commercial clients for premium nucleic acid extraction options.

Distributor

Our products are widely used in many fields, such as medical testing, genetic testing, university research, genetic breeding and more. We not only provide products but can also undertake OEM, ODM, and other needs. If you need extraction of rna, please feel free to contact us at sales01@lingjunbio.com.

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