Contact with glass interferes with the Erythrocyte Sedimentation Rate (ESR)

D. R. Patel, D. Kristol, R. R. Arora, C. R. Spillert

Research output: Chapter in Book/Report/Conference proceedingConference contribution


The sedimentation rate (sed rate), also called, the Erythrocyte Sedimentation Rate (ESR) is a blood test for inflammation in the body. If it is elevated, then there is an inflammatory process in the body which can be monitored. The test is broad and non-specific; however, it may determine the effectiveness of therapy for the inflammatory condition. We performed studies on human citrated whole blood by adding 100 microlitres of 1% of MethylCellulose to each of glass and plastic tubes with the blood. The samples (n=12) were incubated at 37° for 10 minutes. Later, the blood from each of the tubes were placed in pipettes, sealed and left undisturbed for an hour. The ESR was measured, and it was found that the sedimentation rate of the blood in plastic settled at a higher rate than the one in glass.

Original languageEnglish (US)
Title of host publicationProceedings of the IEEE 29th Annual Northeast Bioengineering Conference
EditorsStanley Reisman, Richard Foulds, Bruno Mantilla
PublisherInstitute of Electrical and Electronics Engineers Inc.
Number of pages2
ISBN (Electronic)0780377672
StatePublished - 2003
Event29th IEEE Annual Northeast Bioengineering Conference, NEBC 2003 - Newark, United States
Duration: Mar 22 2003Mar 23 2003

Publication series

NameProceedings of the IEEE Annual Northeast Bioengineering Conference, NEBEC
ISSN (Print)1071-121X
ISSN (Electronic)2160-7001


Other29th IEEE Annual Northeast Bioengineering Conference, NEBC 2003
Country/TerritoryUnited States

All Science Journal Classification (ASJC) codes

  • Bioengineering


  • Biomembranes
  • Cells (biology)
  • Diseases
  • Glass
  • Medical diagnostic imaging
  • Medical tests
  • Paramagnetic resonance
  • Plastics
  • Red blood cells
  • Testing


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