Exact(1)
On the basis of data from Canada, they provide the following estimated breakdown of emissions into outdoor air: traffic (70%), aircraft (11%), shipping (7%), the formaldehyde processing industry (10%), and power plants and waste incineration (<1%).
Similar(59)
Liver samples were fixed in 10% buffered formaldehyde, processed by an automated tissue processing machine followed by paraffin wax embedding.
One sample was also orientated longitudinally and fixed overnight at 4°C in 3% glutaraldehyde and 4% formaldehyde solution before processing in resin for subsequent electron microscopy studies.
BrdU (140 μl of a 10 mM solution; Sigma-Aldrich, Rehovot, Israel) was applied for one hour eight hours post-electroporation, followed by fixation in 4% formaldehyde and processing for paraffin sectioning.
Samples for cell counts (1 mL for HC treatments, 10 mL for LC treatments) by fluorescent microscopy were also removed at the beginning and end of the experiment, and immediately preserved with 2% formaldehyde and refrigerated until processing.
Each first 1-cm long segment after the pyloric valve was picked and stored in buffered formaldehyde solution for further histology processing.
Although workers in the Finnish cohort experienced exposure to less formaldehyde in general, the circumstances of processing mixed wood have been unavoidable.
The following 5 cm was bundled using surgical tape and fixed in 4% formaldehyde at 4 °C for 24 h before processing.
The eyes were immersed for 1 h in phosphate-buffered glutaraldehyde 4%, transferred into phosphate-buffered formaldehyde 10% for 24 h, and to ethanol 70% until processing.
The following 5 cm was divided into 1 cm lengths, bundled using surgical tape and then fixed in 4% formaldehyde at 4°C for no more than 24 h before processing.
Immunohistochemistry (IHC) was performed on paraffin embedded tissues fixed in 4% formaldehyde at 4°C for no more than 24 hours prior to processing.
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