A coupon was immersed in drinking water for almost 2 months and was taken out for extraction studies of EPS. EPS was extracted using modified method of (Magwani et. al, 2014) and characterized using FTIR. The extracted EPS was also observed under Foldscope.


 <img alt="ftir" class="alignnone wp-image-85437 size-medium gcloudimg" data-attachment-id="85437" data-comments-opened="1" data-image-meta='{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0"}' data-image-title="ftir" data-recalc-dims="1" height="221" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_85433/ftir.png" width="300"/>
 
 
 Figure: 1 FTIR of extracted EPS
 


 <img alt="IMG_20181116_121019_HDR" class="wp-image-85438 gcloudimg" data-attachment-id="85438" data-comments-opened="1" data-image-meta='{"aperture":"2","credit":"","camera":"MI MAX","caption":"","created_timestamp":"1542370219","copyright":"","focal_length":"3.57","iso":"100","shutter_speed":"0.0025","title":"","orientation":"0"}' data-image-title="IMG_20181116_121019_HDR" data-recalc-dims="1" height="157" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_85433/IMG_20181116_121019_HDR.jpg" style="font-weight: bold;font-size: 1.8rem" width="209"/>
 <img alt="IMG_20181116_121041_HDR" class="alignnone wp-image-85439 gcloudimg" data-attachment-id="85439" data-comments-opened="1" data-image-meta='{"aperture":"2","credit":"","camera":"MI MAX","caption":"","created_timestamp":"1542370241","copyright":"","focal_length":"3.57","iso":"100","shutter_speed":"0.0031746031746032","title":"","orientation":"0"}' data-image-title="IMG_20181116_121041_HDR" data-recalc-dims="1" height="155" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_85433/IMG_20181116_121041_HDR.jpg" style="font-size: 1.8rem" width="207"/>
 
 
 Figure 2: Foldscope view of extracted EPS
 


 Dr. Poonam Singh/ Srinivasa Sundara Rajan R
 
 CSIR-CECRI
 
 Karaikudi

Extraction of Extracellular Polymeric Substances

Poonam Singh

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