Thermo Fisher Scientific's Forma 150i Incubator

Thermo Fisher Scientific is a global leader in scientific services, and its laboratory equipment is widely used in life sciences, pharmaceuticals, healthcare, and industrial fields. The Forma 150i incubator—one of Thermo Fisher’s advanced products—is renowned for its outstanding performance and reliability, making it an ideal choice for numerous researchers and laboratories. This article provides a detailed overview of the 150i incubator’s key features, functions, and application scenarios. I. Temperature Control System The Thermo Fisher Forma 150i incubator is equipped with an advanced temperature control system that delivers highly stable and precise thermal environments. Temperature is a critical factor for cell and microbial growth; this incubator achieves accurate temperature regulation and maintenance using high-precision temperature sensors and controllers. Its typical temperature range extends from ambient temperature up to approximately 60°C—sufficient for most experimental requirements. Temperature uniformity and stability are essential performance indicators for incubators. The 150i model ensures even temperature distribution throughout the chamber via a meticulously engineered air-circulation system, eliminating inconsistencies in culture outcomes caused by localized temperature variations. II. Humidity Control System Humidity also plays a vital role during cultivation—especially in cell culture and tissue engineering. The 150i incubator features an efficient humidity control system that maintains optimal humidity levels inside the chamber using either an evaporation pan or an ultrasonic humidifier. This system not only delivers high-humidity conditions to prevent sample desiccation but also incorporates dehumidification capabilities to mitigate contamination risks associated with excessive moisture. Typical humidity control ranges span 50% to 95% relative humidity (RH), adjustable flexibly according to experimental needs. III. Gas Control System Certain cells and microorganisms require specific gaseous environments—for instance, regulated carbon dioxide (CO₂) concentrations—during cultivation. The 150i incubator integrates an internal CO₂ control system capable of precisely regulating and maintaining CO₂ levels within the chamber, commonly across a range of 0% to 20%. Leveraging high-precision gas sensors and controllers, the incubator enables rapid, stable gas concentration adjustments, ensuring optimal growth conditions for cultured cells. Some models additionally support oxygen (O₂) concentration control, accommodating experiments requiring hypoxic or hyperoxic environments. IV. Safety Design Experimental safety is a paramount consideration in incubator design. The Thermo Fisher Forma 150i incubator incorporates multiple safety protection mechanisms—including over-temperature protection, power-failure protection, and alarm systems. Should temperature exceed preset limits or system failure occur, the incubator promptly triggers audible/visual alarms and automatically initiates protective measures to safeguard experimental samples. Furthermore, the incubator’s construction utilizes premium-grade stainless steel or corrosion-resistant materials; its smooth, corner-free interior chamber facilitates easy cleaning and sterilization, thereby minimizing contamination risks.

A fan plus a piece of filter paper—how far is that from disease early warning?

What happens when you attach a piece of filter paper behind a small fan and run the fan continuously for three hours? Most of the time, you’ll just see a piece of paper that appears unchanged. Yet, in the microscopic world, dust particles, cellular debris, and microbial genetic material suspended in the air may have already been captured on the filter paper by the airflow—like invisible footprints recording what once passed nearby. On October 27, 2026, the Society for Science & the Public announced the results of its Regeneron International Science and Engineering Fair (ISEF). Fifteen-year-old eighth-grader Bailey Quinn Frank received the top award. Judges evaluated both her research project and her team challenge performance—and her project was a low-cost air sampler built from a small fan and a piece of filter paper. She hopes it will one day help resource-limited rural communities monitor potential health threats. The device’s structure holds no mystery: the fan draws in air, and the filter paper traps airborne particles. After sampling, environmental DNA (eDNA)—genetic material shed by organisms into their surroundings—is extracted from the filter paper. Researchers can then identify which bacterial species were present by analyzing distinctive DNA fragments. Bailey collected two indoor samples and one outdoor sample. She plated part of each sample onto Petri dishes to observe resulting bacterial colonies; she also sent selected samples to an external lab for 16S rRNA gene sequencing—a method that identifies bacteria based on specific conserved genetic regions. Results showed that indoor samples contained more human-associated bacterial taxa, whereas the outdoor sample harbored greater representation of soil-, water-, and plant-associated microbes. Her experiment demonstrates that even a sampler built from inexpensive materials can successfully collect airborne biological material suitable for extraction and analysis. Hearing this, it’s easy to imagine the device as an “airborne disease radar”: deploy it in a village, wait a few hours, and instantly know whether an infectious disease is approaching. But the experiment hasn’t reached that stage yet. First, three samples merely confirm the device functioned under those specific sampling conditions—they do not prove its reliability across varying seasons, humidity levels, or diverse rural environments. The testing site was a school—not the actual community it aims to serve. More critically, while the air-sampling hardware is inexpensive, DNA extraction and sequencing still require reagents, specialized equipment, and external laboratory support. Bailey’s project poster explicitly lists “dependence on external sequencing facilities” and “lack of testing in target environments” as key limitations. Another common source of confusion: detecting DNA from a particular bacterium does not equate to detecting an actively spreading disease. That DNA could originate from live bacteria—or from dead bacteria or residual fragments. Even if viable bacteria are present, detecting trace amounts of their genetic material does not automatically imply nearby individuals are at risk of illness. The U.S. Centers for Disease Control and Prevention (CDC), in its guidance on Legionella detection, cautions that nucleic acid tests cannot always distinguish live from dead bacteria, and a single test result alone cannot directly predict disease risk. Though this CDC statement addresses Legionella in water systems—not Bailey’s device—it highlights a fundamental interpretive boundary shared by all such eDNA-based detection methods. Conversely, failing to detect a target organism does not guarantee its complete absence from the environment. Perhaps the sampling location was suboptimal; perhaps the target concentration fell below detection limits; or perhaps the microorganism was present yesterday but had dispersed by the time of sampling.

15-Year-Old Designs Low-Cost Device to Monitor Airborne Bacteria in the Environment; Wins $25,000 Top Award at the 2026 Thermo Fisher Scientific Junior Innovators Challenge

3 days ago

Bailey Quinn Frank won the $25,000 Thermo Fisher ASCEND Award for a low-cost eDNA sampler to monitor airborne bacteria. The project aims to provide affordable health surveillance for rural communities through innovative STEM solutions.

mykxlg.com

2026-10-28

15-Year-Old Designs Low-Cost Device to Monitor Airborne Bacteria in the Environment; Wins $25,000 Top Award at the 2026 Thermo Fisher Scientific Junior Innovators Challenge

15-Year-Old Designs Low-Cost Device to Monitor Airborne Bacteria in the Environment; Wins $25,000 Top Award at the 2026 Thermo Fisher Scientific Junior Innovators Challenge

FAQ