Laboratory Products 35
New handheld contactless biomass sensor offers accurate cell density measurement in seconds without sampling
Aber Instruments (Aber), a world- leading manufacturer of biomass monitoring technology, is delighted to introduce its new OPTURA®
PALM®
handheld biomass sensor. The new sensor designed for non-invasive biomass measurement allows rapid, accurate reading of cell density without sampling, making it perfect for laboratory applications such as monitoring seed trains, as well as
determining optimum cell harvest or virus infection times. The OPTURA®
PALM® consists of a NIR unit and sensor measurement face, and operates
by emitting a NIR laser from the sensor into the media. Due to the wavelength used, only cells present in the media refl ect light back to the sensor measurement face. Refl ectance and biomass are proportionally related, for example a higher refl ectance indicates a greater biomass. Since NIR can pass through glass or plastic vessel walls (up to 10mm) and the laser has a penetration depth of 2.5 cm, it is possible to use the OPTURA®
PALM® PALM® to
measure cells growing inside common labware such as shake fl asks, T-fl asks, roller bottles and polypropylene tubes in seconds without sampling. The OPTURA®
also allows
environmentally friendly collection of more data points as there is no need to use consumables such as single-use pipette tips or cuvettes.
The OPTURA® PALM® has been successfully evaluated by Aber scientists against traditional
manual OD600 spectrophotometer analysis, which can take 30 minutes to complete if cells require dilution. Additionally, the sensor has been shown to measure cell density as accurately as traditionally analytical methods so scientists can be assured of the precision of their biomass results for a range of microbial, plant and mammalian cell applications.
Dr Lindsey Male, OPTURA Product Manager at Aber Instruments explains: “The benefi t for scientists is they can now have our unrivalled technology in the palm of their hand to generate cell density read-outs in seconds without having to sample. Compared to off-line measurements, our new sensor will save hours of tedious, repetitive tasks, as well as reduce consumable costs which means that the OPTURA®
PALM®
could soon be as common as a pH
meter in any laboratory where cell density measurement is an essential part of their workfl ow.” More information online:
ilmt.co/PL/MbNl
63142pr@reply-direct.com
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