1. Basic Definition and Core Functions
Also known as cell culture laboratory, it is a professional and standardized research facility specially designed for isolation, cultivation, subculture, cryopreservation, recovery, identification and functional experiments of human, animal and plant cells. It serves as a core fundamental platform for advanced scientific research and technological development in life science, basic medicine, clinical medicine, biomedicine and bioengineering.
Different from general physical and chemical laboratories, it features high-precision environmental regulation, strict microbial prevention, classified cleanliness control, intelligent adjustment of temperature, humidity and pressure difference, as well as aseptic operation management. It can build a long-term stable, highly controllable and traceable sterile experimental environment.
Adopting high-efficiency air purification, dual ultraviolet and chemical sterilization, sterile isolation protection, real-time environmental monitoring and gradient pressure difference control, the laboratory effectively prevents cell samples from contamination and damage caused by bacteria, fungi, mycoplasma, viruses, dust and other exogenous pollutants. It minimizes experimental errors induced by environmental fluctuation, miscellaneous bacteria interference and cross contamination. Standardized whole-process management maintains stable cell activity, morphology, proliferation and genetic characteristics. It ensures authentic, accurate, repeatable and reliable data of cell culture, functional testing, cell modeling and pharmaceutical cell experiments, providing solid experimental support for life science research, targeted drug development, cell therapy and biological specimen study.

2. Main Application Scope
As a core universal platform in life sciences, it covers basic research, biomedical development, clinical testing, regenerative medicine, academic education and biosafety assessment, supporting interdisciplinary biomedical innovation.

Basic Medical ResearchIt explores mechanisms of cell proliferation, apoptosis, differentiation and migration, constructs disease cell models, conducts gene transfection, cellular immunity research and signal pathway analysis. It reveals human pathogenesis and provides theoretical and experimental basis for clinical medical innovation and treatment optimization.

Biological and Cell Biology ResearchIt carries out experiments on cell structure and function, stem cell properties, cell aging, microbe-cell interaction and gene-edited cell verification, supporting in-depth exploration of life mechanisms.

Regenerative Medicine and Bioengineering ResearchIt supports stem cell culture, immune cell expansion, tissue engineering construction, cell repair technology research and biomaterial compatibility tests, acting as a key carrier for regenerative medicine, tissue engineering and cell therapy development.

Drug Development and Cellular Toxicology ResearchIt undertakes in-vitro drug screening, cytotoxicity detection, anti-tumor drug activity verification, biological agent efficacy evaluation, as well as safety tests of cosmetics and medical materials. It is an essential facility for pre-clinical drug screening and biological product safety assessment.
Education and Professional TrainingIt offers practical training sites for cell culture and aseptic operation for majors of medicine, biology, bioengineering and pharmacy, cultivating professional talents in cell biology and biomedicine.

3. Cleanliness Classification System
Based on environmental cleanliness, microbial control standards, air purification capacity and protection level, cell experimental environments are divided into ordinary clean environment, standard barrier environment and high-grade sterile isolation environment to meet diverse experimental demands.

Ordinary Clean Cell EnvironmentIt is a basic experimental space maintained by conventional air filtration, regular disinfection and ventilation. Suitable for primary cultivation and simple observation of common tumor cells and passaged cells, it meets the demands of basic teaching, preliminary observation and preliminary research experiments with moderate aseptic requirements.
Standard Cell Barrier EnvironmentWidely adopted in scientific research and pharmaceutical industries, it is a closed standardized experimental space. Equipped with high-efficiency air filtration, strict disinfection for personnel and supplies, gradient pressure control and sterile environment management, it builds a stable low-microbial environment and blocks cross contamination. It is applied to the cultivation of conventional research cells, stable cell lines and primary cells, as well as drug screening and cell function verification.
High-grade Sterile Isolation EnvironmentIt represents the highest protection level. Featuring fully enclosed independent purification, multi-layer air filtration, unidirectional airflow and isolated operation, it realizes thorough isolation and purification of air, materials and personnel, forming an ultra-clean environment free from bacteria, mycoplasma and exogenous pollutants. It is used for the culture and preparation of stem cells, immune cells, rare primary cells and clinical-grade cell products, catering to cutting-edge regenerative medicine, clinical cell therapy and high-level biological agent research.

4. Core Facilities and Layout Specifications
The standardized laboratory is fully equipped with buffer changing room, biosafety cabinet operation room, cell incubator room, cell observation and imaging room, cell cryopreservation warehouse, reagent preparation room, sterilization room and waste disposal room. It covers the whole workflow including cell receiving, reagent preparation, aseptic operation, constant temperature incubation, microscopic observation, cryopreservation and waste disposal.
The layout complies with principles of clear functional zoning, separation of clean and polluted areas, static and dynamic division, one-way circulation and cross-contamination prevention. The space is classified into high-clean area, clean buffer zone, transition area and waste treatment area. Independent passages are set for staff, cell samples, reagents and waste. The design completely eliminates cross contamination risks caused by personnel activities, sample handling and material transfer, and guarantees long-term stable and sterile experimental conditions.

5. Operation and Management Requirements
Strict daily maintenance, cleanliness supervision and standardized operation management are required with a comprehensive regular control system. Real-time monitoring is conducted on cleanliness, temperature, humidity, air exchange rate, pressure difference, microbial sediment and particle concentration.
All staff must receive pre-job aseptic training and follow disinfection and zoning operation regulations. Cell samples are managed in standardized inoculation, subculture, cryopreservation, recovery, identification and traceability. Regular environmental disinfection, equipment calibration, consumable inspection and data archiving are implemented. Full-process professional supervision ensures stable cell activity and consistent traits, reduces experimental errors caused by manual operation, environmental changes and external pollution, and guarantees credible experimental results.

6. Core Value and Significance
Cell laboratory is indispensable core infrastructure for biomedical research, new drug development, cell therapy, biological product preparation and basic clinical study. It provides favorable growth conditions for cells within a stable, sterile and precisely controlled environment, unifies experimental conditions and eliminates external interference, ensuring accurate, repeatable and traceable experimental data.
The construction of standardized cell laboratories offers solid support for advanced life science research, innovative drug development, cell medical technology breakthrough and research achievement transformation for universities, research institutes and pharmaceutical enterprises. It exerts vital strategic significance in promoting life science advancement, biomedical industrial upgrading, regenerative medicine and precision medical development.