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Description
H(OCH2CH2)nOH CAS #25322-68-3
An embedding medium for microscopy and histochemistry.
| Cat# | Carbowax | MSDS | Avg. M.W. | Density @20°C @60°C | Melting/ Freezing Range , °C | Pack | |
| RT | D19700 | PEG 200 viscous liquid | MSDS_19700 | 190-210 | 1.2390 1.0922 | set to glass <-65 | 450 ml |
| RT | D19710 | PEG 300 viscous liquid | MSDS_19710 | 285-315 | 1.1250 1.0928 | -15 to -84 | 450 ml |
| RT | D19720 | PEG 400 viscous liquid | MSDS_19720 | 380-420 | 1.1254 1.0930 | 4 to 8 | 450 ml |
| RT | D19730 | PEG 600 viscous liquid | MSDS_19730 | 570-630 | 1.1257 1.0930 | 20 to 25 | 450 ml |
| RT | D19740 | PEG 1000 viscous liquid | MSDS_19740 | 950-1050 | _ 1.0926 | 37 to 40 | 1 kilo |
| RT | D19750 | PEG 1450 viscous liquid | MSDS_19750 | 1300-1600 | _ 1.0919 | 43 to 46 | 1 kilo |
| RT | D19760 | PEG 3350 viscous liquid | MSDS_19760 | 3000-3700 | _ 1.0926 | 54 to 58 | 1 kilo |
| RT | D19770 | PEG 8000 viscous liquid | MSDS_19770 | 7000-9000 | _ 1.0845 | 60 to 63 | 1 kilo |
Gao, K.X., (1993). Polyethylene Glycol as an Embedment for Microscopy and Histochemistry. CRC Press; ISBN# 0-8493-4323-2. Technical Tip : The Use of Polyethylene Glycol; Carbowax The use of Polyethylene Glycol 1500 (Carbowax 1500) is an excellent embedding medium for immunohistochemical studies. It provides structural preservation superior to frozen sections and increased sensitivity of antigen detection compared with paraffin sections. One limitation of PEG embedment is that PEG sections are difficult to handle and adhere poorly to glass slides. This article will share with you a simple and effective method to overcome those limitations. Refer to: Kuixiong Gao and James D. Godkin. (1991) “A New Method for Transfer of Polyethylene Glycol-embedded Tissue Sections to Silanated Slides for Immunocytochemistry”. The J. of Histochem. and Cytochem. Vol. 39, No. 4, pg. 537-540.
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