Measurement of the magnetic moment in a cold worked 304 stainless steel using HTS SQUID

Park, D.G.; Kim, D.W.; Angani, C. S.; Timofeev, V. P.; Cheong, Yong Moo

doi:10.1016/j.jmmm.2008.04.037

Cited by 3 publications

(1 citation statement)

References 8 publications

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“…Manufacturing processes like folding, stamping, drilling, extruding or punching can induce an structural transition from austenite to martensite, leading to a weak magnetization of the otherwise non-magnetic SSs [8][9][10]. Furthermore, this effect has been studied in detail in the particular alloy of our shelves [11][12][13]. It is worth noting that even though the explanation of our findings is based on facts well known by the metallurgy industry, they are probably ignored by most part of the scientific community working with cell cultures, including magnetobiology researchers.…”

Section: Discussionmentioning

confidence: 99%

Magnetic field inhomogeneities due to CO₂incubator shelves: a source of experimental confounding and variability?

Makinistian

Belyaev

2018

R. Soc. open sci.

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A thorough assessment of the static magnetic field (SMF) inside a CO2 incubator allowed us to identify non-negligible inhomogeneities close to the floor, ceiling, walls and the door. Given that incubator's shelves are made of a non-magnetic stainless steel alloy, we did not expect any important effect of them on the SMF. Surprisingly, we did find relatively strong distortion of the SMF due to shelves. Indeed, our high-resolution maps of the SMF revealed that distortion is such that field intensities differing by a factor of up to 36 were measured on the surface of the shelf at locations only few millimetres apart from each other. Furthermore, the most intense of these fields was around five times greater than the ones found inside the incubator (without the metallic shelves in), while the lowest one was around 10 times lower, reaching the so-called hypomagnetic field range. Our findings, together with a survey of the literature on biological effects of hypomagnetic fields, soundly support the idea that SMF inhomogeneities inside incubators, especially due to shelves' holes, are a potential source of confounding and variability in experiments with cell cultures kept in an incubator.

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Section: Discussionmentioning

confidence: 99%

Magnetic field inhomogeneities due to CO₂incubator shelves: a source of experimental confounding and variability?

Makinistian

Belyaev

2018

R. Soc. open sci.

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Experimental Investigations on Anisotropic Evolution of 304 Stainless Sheets under Tensile Pre-Strains

Teng¹,

Guo²

2011

AIP Conference Proceedings

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Effects of Magnetic Phase on the ECT Signal in the SG Tubes

et al. 2010

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Measurement of the magnetic moment in a cold worked 304 stainless steel using HTS SQUID

Cited by 3 publications

References 8 publications

Magnetic field inhomogeneities due to CO₂incubator shelves: a source of experimental confounding and variability?

Magnetic field inhomogeneities due to CO₂incubator shelves: a source of experimental confounding and variability?

Experimental Investigations on Anisotropic Evolution of 304 Stainless Sheets under Tensile Pre-Strains

Effects of Magnetic Phase on the ECT Signal in the SG Tubes

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Measurement of the magnetic moment in a cold worked 304 stainless steel using HTS SQUID

Cited by 3 publications

References 8 publications

Magnetic field inhomogeneities due to CO2incubator shelves: a source of experimental confounding and variability?

Magnetic field inhomogeneities due to CO2incubator shelves: a source of experimental confounding and variability?

Experimental Investigations on Anisotropic Evolution of 304 Stainless Sheets under Tensile Pre-Strains

Effects of Magnetic Phase on the ECT Signal in the SG Tubes

Contact Info

Product

Resources

About

Magnetic field inhomogeneities due to CO₂incubator shelves: a source of experimental confounding and variability?

Magnetic field inhomogeneities due to CO₂incubator shelves: a source of experimental confounding and variability?