Sterile polyester fiber swabs have a wide range of applications, mainly including the following aspects:

I. Medical Testing and Diagnosis

1. Microorganism Detection
   In the field of clinical microbiology, it is an ideal tool for collecting microorganism samples. Medical staff can use sterile polyester fiber swabs to collect samples from wounds suspected of being infected, mucosal tissues, or the nasal cavities and throats of patients with respiratory tract infections. These samples contain bacteria, viruses or fungi. After collection, they are sent to the laboratory for culturing, identification and drug sensitivity testing to help doctors determine the types of pathogens and accurately select therapeutic drugs. For example, when detecting infections caused by drug-resistant bacteria such as methicillin-resistant Staphylococcus aureus (MRSA) and Clostridium difficile, correct sample collection is particularly important. Sterile polyester fiber swabs can effectively avoid contamination by external microorganisms and ensure the purity and reliability of the samples.
2. Virus Detection
   It is also crucial for virus detection. During the large-scale nucleic acid testing during the COVID-19 pandemic, using sterile polyester fiber swabs to collect throat swab or nasal swab samples was a common method. It can effectively adsorb virus particles, and its soft material can reduce the irritation to the throat or nasal mucosa of the person being sampled and improve the comfort of sampling. For the detection of other viral infections, such as influenza viruses and hand, foot and mouth disease viruses, it is also applicable, providing strong support for the rapid diagnosis of viruses and epidemic prevention and control.

II. Environmental Monitoring

1. Food Processing Environment Detection
   In the food processing industry, it is used to detect the microbial contamination on the surfaces of food processing equipment, work areas and packaging materials. By swabbing the surfaces of food processing tables, conveyor belts, knives and other equipment, possible bacteria, molds and other microorganism samples can be collected. After culturing and analyzing these samples, it can be evaluated whether the food processing environment meets hygiene standards, and potential pollution sources can be detected in a timely manner to ensure the quality and safety of food. For example, in dairy product processing workshops, regularly using sterile polyester fiber swabs to sample and test the equipment can effectively prevent food safety accidents caused by excessive microorganisms.
2. Public Place Hygiene Monitoring
   For public places such as hospital waiting areas, school classrooms and public transportation, sterile polyester fiber swabs can be used to collect microorganism samples on the surfaces of public facilities (such as seat armrests, door handles, elevator buttons, etc.). By detecting the quantity and types of bacteria, viruses and other pathogens in these samples, the hygiene quality of public places can be evaluated, providing a basis for public health management. During the high-incidence season of influenza, regularly conducting microbial monitoring in public places and using sterile polyester fiber swabs to collect samples for testing can enable timely cleaning and disinfection measures to be taken to reduce the risk of virus transmission.

III. Laboratory Research

1. Cell Collection and Culture
   In cell biology research, sterile polyester fiber swabs can be used to collect cell samples. For example, gently scraping cells from the tissue surface or culture vessels, the material characteristics of polyester fiber can effectively collect cells while avoiding mechanical damage to the cells. The collected cells can be used for subsequent cell culture, gene expression analysis, cell function research and other experiments. In the field of stem cell research, correct cell collection is one of the key steps for the success of the experiment, and sterile polyester fiber swabs provide a gentle and effective method for stem cell collection.
2. Gene Testing Sample Collection
   In gene testing, it can be used to collect samples such as oral mucosal cells. Oral mucosal cells are rich in DNA. By gently swabbing the inner wall of the mouth with the swabs, sufficient cell samples for gene testing can be obtained. This sampling method is simple, non-invasive and easily accepted. When conducting gene testing projects such as genetic disease diagnosis, paternity testing and pharmacogenomics research, sterile polyester fiber swabs are an ideal sampling tool to facilitate the smooth progress of gene testing.