This article details the composition and mechanism of action of common nucleic acid molecules. It also introduces the characteristics, safety, and usage recommendations for dyes such as ethidium bromide (EB), SYBR Green I, SYBR Green II, SYBR Gold, SYBR Safe, and GelRed/GelGreen in daily experiments.

Don’t waste money on in-house development anymore! Leave it to us!

2025-07-09

As a CDMO service provider deeply engaged in the field of molecular diagnostics, Qihengxing Bio has achieved remarkable results in many fields such as SNP detection reagents, single copy gene detection reagents, tNGS kits, probe-based melting curve detection reagents, pathogen gene detection, animal/plant disease gene detection, etc., and has developed dozens of high-performance molecular detection reagent products.

Ultra-Complete PCR Experiment Mine Clearance Manual (2025 Latest Edition)

2025-06-13

Comprehensively address PCR false-negative/false-positive/tailing/dimer issues, providing optimization solutions for primer design, touchdown PCR, hot start, and nested PCR. Included are solution tables and experimental tips to help you quickly improve amplification specificity.

Gel recovery/PCR purification gone wrong? Avoid these pitfalls and get efficient recovery!

2025-06-05

Gel recovery or PCR product purification is a routine procedure in molecular biology experiments, but it can also be prone to various problems, resulting in low recovery rates and poor product quality, which can affect subsequent experiments. To address common pitfalls, Xingzai has compiled the following guide to avoid them. Save it now and it's guaranteed to help you overcome them with ease!

Exhibition Invitation | Qihengxing Bio invites you to the In Vitro Diagnostic Innovation Development and Upstream Solutions Conference

2025-05-21

Diagmand2025 grandly opened at the Suzhou Shishan International Convention Center on May 28-29, 2024! Focusing on four technical forums: chemiluminescence, flow cytometry, and immunochromatography, over 60 experts shared their practical experience from raw material screening to application scenarios. Beijing Qihengxing Biotech showcased its star products, including direct blood PCR premix, magnetic bead-based nucleic acid extraction systems, and domestically produced Qubit reagents, at booth C01

Qubit Fluorometer Companion Reagents and StarLighter Fluorometer - High-Sensitivity Nucleic Acid Quantitation Solution

2025-05-14

Qihengxing Bio offers a full range of Qubit reagents and StarLighter fluorometers, covering high-sensitivity detection needs for dsDNA, RNA, ssDNA, and other applications. With strong anti-interference performance, a 50% cost reduction, and compatibility with complex laboratory samples, we help you achieve precise quantification and improve research efficiency!

Qihengxing Blood Sample Direct PCR/qPCR Solution

2025-05-06

Beijing Qihengxing Biotechnology has achieved efficient PCR/qPCR testing of a variety of blood samples after simple lysis by constructing and screening genetically engineered enzymes and optimizing amplification buffers. This method shortens the entire experimental process to within one hour, significantly saving time while also maintaining excellent anti-interference capabilities and stable amplification efficiency.

Job Vacancy Warning | Global Recruitment Information Summary (5)

2025-04-30

On the journey of scientific research, time is the most precious resource, and information is the starlight that illuminates the path. To help researchers worldwide break down information barriers, Qihengxing Bio has launched a new column for global master's, doctoral, and postdoctoral recruitment information. Xingzai will regularly collect, organize, and update key information on master's, doctoral, and postdoctoral positions and cutting-edge developments from around the world, making scientifi

Qiming East, Hengjiu Future

Product Center: PCR, qPCR, RT-PCR; Nucleic acid extraction and purification; NGS Related Products; Ribosomal RNA Removal Kit; Other Products

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