Breaking Extraction Bottlenecks: Lingjun Magnetic Bead RNA Kits Redefine Efficiency StandardsEmpowering Research with High-Purity Nucleic Acid Solutions

In molecular biology research, RNA extraction from complex samples remains a critical bottleneck hindering experimental efficiency. Traditional methods struggle with plant polysaccharide/polyphenol interference, animal tissue degradation risks, and capturing trace viral nucleic acids—often being time-consuming while compromising purity and yield. With over 13 years of expertise in magnetic bead nucleic acid extraction, Shanghai Lingjun Biotechnology leverages core magnetic bead R&D capabilities to deliver a full-scene magnetic bead RNA extraction kit series, providing researchers with an efficient, safe, and stable one-stop solution.

I. Why Choose Lingjun? Core Technologies Deliver Unmatched Advantages

In-House Magnetic Bead R&D: Industry-Leading Performance

Lingjun’s self-developed superparamagnetic silica beads (1.4μm particle size, 65±5 emu/g magnetic saturation) achieve >95% nucleic acid adsorption through surface modification and functional design. Batch-to-batch consistency eliminates material variability, ensuring reproducible results across laboratories.

“One-Step Protocol” Revolution: Boosts Efficiency by >50%

No centrifugation or toxic reagents: Eliminates hazardous phenol/chloroform and liquid nitrogen grinding. Room-temperature lysis with magnetic bead adsorption delivers pure RNA in under 1 hour.

Full automation compatibility: Kits adapt to mainstream nucleic acid extractors. Magnetic-rod platforms require no manual intervention, enabling “load-and-go” operation.

3.Conquering Four Challenging Samples: Purity Meets Top Journal Standards

Sample Type	Key Innovation	Performance (A260/A280)
Polysaccharide/polyphenol plants	Proprietary lysis buffer removes impurities	1.90–2.0 (dandelion leaf)
Animal tissues (muscle/liver)	Grinding-free direct lysis, 100% RNA integrity	1.86–1.96 (shrimp/fish liver)
Serum/plasma viruses	Sensitivity down to 10 IU/mL, repeatability R>0.99	Full detection in gradient dilutions
Trace cells	Extraction from 0.2 μg, zero waste for rare samples	32.7 μg from 20 mg pork

II. Flagship Product Matrix: Precision Solutions for Research Scenarios

Plant RNA “Specialist” – Polysaccharide/Polyphenol Kit

Processes challenging samples (pothos, peach trees, roses) in 30 minutes. Pre-packaged kits (96 tests/box) yield high-purity RNA (A260/A230≥1.8), >9 μg/20 mg leaves—ideal for transcriptome sequencing.

Plant Total RNA Extraction Kit

Experimental case:

 20mg of sweet potato leaves, peach leaves, rose leaves and eggplant leaves were extracted with LNJNBio plant total RNA extraction kit

No.	Sample	A260/A280	A260/A230	Conc.(ng/µL)	Yield（µg）
1	20mg Sweet potato leaves	1.972	2.039	193.76	19.376
2		1.976	2.038	194.44	19.444
Avg		1.974	2.0385	194.1	19.41
3	20mg Peach leaves	1.904	1.477	159.16	15.916
4		1.901	1.472	159.56	15.956
Avg		1.9025	1.4745	159.36	15.936
5	20mg Seasonal leaves	1.855	1.698	99.2	9.92
6		1.858	1.702	98.92	9.892
Avg		1.8565	1.7	99.06	9.906
7	20mg Eggplant leaves	1.988	1.752	98.08	9.808
8		1.987	1.755	98.6	9.86
Avg		1.9875	1.7535	98.34	9.834

Gel electrophoresis with agarose:

Result analysis： 

The A260/A280 ratio was between 1.8-2.0, while the A260/A230 ratio exceeded 1.4, indicating high purity of the extracted products. All plant leaf samples achieved nucleic acid extraction yields above 9 µg. Bright and well-integrated bands were observed in all plant leaf samples. In summary, the extraction process yielded high-purity products with substantial output and complete electrophoretic bands when processing different plant leaf samples.

Animal RNA “Guardian” – Degradation-Proof Design

From shrimp to mouse tails, centrifugation-free technology ensures clear 28S/18S bands and 100% electrophoresis integrity. 50-test boxes support high-throughput labs.

Animal Tissue Total RNA Extraction Kit

Experimental case:

The total RNA extraction kit of animal tissues was used to extract shrimp meat, chicken heart, fish heart, fish liver and fish gut respectively

No.	Sample	A260/A280	A260/A230	Conc.(ng/ul)	Yield（μg）
1	20mg Shrimp	1.863	1.725	65.48	5.2384
2		1.865	1.782	68.96	5.5168
Avg		1.864	1.7535	67.22	5.3776
3	5mg Chicken heart	1.958	1.721	55.72	0.44576
4		1.966	1.736	56.68	0.45344
Avg		1.962	1.7285	56.2	0.4496
5	5mg Fish heart	1.944	1.761	28.56	0.22848
6		1.946	1.742	27.84	0.22272
Avg		1.945	1.7515	28.2	0.2256
7	5mg Fish liver	1.911	2.07	91.84	0.73472
8		1.912	2.061	96.44	0.77152
Avg		1.9115	2.0655	94.14	0.75312
9	10mg Fish intestines	1.925	2.196	390.72	3.12576
10		1.928	2.187	382.04	3.05632
Avg		1.9265	2.1915	386.38	3.09104

Gel electrophoresis with agarose:

Result analysis：

The value of A260/A280 was 1.86-1.96, and the value of A260/A230 was above 1.75, which proved that the purity of the extracted product was high; different animal tissue samples had bright bands and good integrity.

Viral Detection “Sharpshooter” – High-Sensitivity Serum/Plasma Kit

Reliably extracts HBV/HCV nucleic acids from 200 μL samples. Delivers leading qPCR CT values for early diagnosis.

Serum/Plasma Free DNA Extraction Kit

Experimental case:

HCV nucleic acid serum standard substance was subjected to gradient dilution, and our serum/plasma virus nucleic acid extraction reagent was used to extract on the automatic nucleic acid extraction and purification instrument LJbio32H. The extracted products of various concentration gradient dilutions were subjected to qPCR detection, and the results are as follows:

Concentration（IU/ml）	CT		Average	CV
10^7	23.02	22.96	22.99	0.18%
10^6	25.88	25.83	25.855	0.14%
10^5	29.09	28.97	29.03	0.29%
10^4	33.16	32.42	32.79	1.60%

Result analysis:

 The data shows high consistency, indicating excellent sensitivity and stable reagent performance, with a correlation coefficient reaching 0.998. The extraction efficiency is remarkable, consistently detecting both low and high concentrations with stability.

“All-inclusive”– The Universal Total RNA Extraction Kit

The universal total RNA extraction reagent is suitable for the rapid and efficient extraction of total RNA from fresh plant, animal, fungal, cellular and other tissue samples. The whole process is convenient to operate, especially suitable for the automated nucleic acid extraction platform.The extracted and purified nucleic acids in this kit can be used for RT-PCR, Real-Time PCR, chip analysis, polyA screening, in vitro translation and molecular cloning.

The universal total RNA extraction reagent

III. Real Data, Real Impact: Client Validation Establishes Benchmark

Case 1: An agricultural research team used the Plant DNA/RNA Dual Extraction Kit (Cat#231011) on 20 mg sweet potato leaves, achieving 775.2 ng/μL concentration (77.52 μg total yield) and 40% higher PCR efficiency.

Case 2: CDC testing showed Lingjun’s Serum Virus Kit achieved 100% detection at 10 IU/mL—outperforming competitors (CT values 2–3 cycles earlier).

IV. Limited-Time Empowerment Program: Accelerate Your Research

Act Now – Make Extraction Anxiety-Free!

 Order online: www.lnjnbio.com

 Technical support: 18103799069 / lnjnbio@163.com

 Expo demo: Shanghai International Biotech Expo 2025 (Booth 3-B2108). Live demos + free gel reagents.

Lingjun Commitment: Unlocking nucleic acid challenges with magnetic bead power—making every extraction a trusted data foundation.

Supplier

Shanghai Lingjun Biotechnology Co., Ltd. was established in 2016 which is a professional manufacturer of biomagnetic materials and nucleic acid extraction reagents.

We have rich experience in nucleic acid extraction and purification, protein purification, cell separation, chemiluminescence, and other technical fields.

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