After I got my foldscope last month I watch different type of plant cell. Yesterday I check foldscope field guide found about blood cell. So I pricked my finger with syringe needle and took a drop of blood then put a cover slip on it.

<figure class="wp-block-image">
 <img alt="IMG_20210910_225326" class="wp-image-203888 gcloudimg" data-attachment-id="203888" data-comments-opened="1" data-image-meta='{"aperture":"1.75","credit":"","camera":"Redmi 8A","caption":"","created_timestamp":"1631314406","copyright":"","focal_length":"4.07","iso":"6368","shutter_speed":"0.071428571428571","title":"","orientation":"0"}' data-image-title="IMG_20210910_225326" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_203887/IMG_20210910_225326-1.jpg"/>
</figure>

 I put it under foldscope and attached light module and mobile with it.

<figure class="wp-block-image">
 <img alt="IMG_20210910_140503" class="wp-image-203890 gcloudimg" data-attachment-id="203890" data-comments-opened="1" data-image-meta='{"aperture":"1.75","credit":"","camera":"Redmi 8A","caption":"","created_timestamp":"1631282702","copyright":"","focal_length":"4.07","iso":"100","shutter_speed":"0.0024330900243309","title":"","orientation":"0"}' data-image-title="IMG_20210910_140503" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_203887/IMG_20210910_140503-1.jpg"/>
</figure>

 The picture wasn’t clear enough and I didn’t see any blood cells in it. So I tried a different way. I took some blood spread it in the slide and dried it.

<ul class="wp-block-gallery columns-1 is-cropped" data-carousel-extra='{"blog_id":1,"permalink":"https:\/\/microcosmos.foldscope.com\/?p=203887"}'>
 <li class="blocks-gallery-item">
 <figure>
 <img alt="IMG_20210910_225001" class="wp-image-203891 gcloudimg" data-attachment-id="203891" data-comments-opened="1" data-id="203891" data-image-meta='{"aperture":"1.75","credit":"","camera":"Redmi 8A","caption":"","created_timestamp":"1631314201","copyright":"","focal_length":"4.07","iso":"4947","shutter_speed":"0.071428571428571","title":"","orientation":"0"}' data-image-title="IMG_20210910_225001" data-link="https://microcosmos.foldscope.com/?attachment_id=203891" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_203887/IMG_20210910_225001.jpg"/>
 </figure>
 </li>
</ul>

 I then put it under foldscope.

<figure class="wp-block-image">
 <img alt="IMG_20210911_060546_1" class="wp-image-203892 gcloudimg" data-attachment-id="203892" data-comments-opened="1" data-image-meta='{"aperture":"1.75","credit":"","camera":"Redmi 8A","caption":"","created_timestamp":"1631340346","copyright":"","focal_length":"4.07","iso":"100","shutter_speed":"0.0034602076124567","title":"","orientation":"0"}' data-image-title="IMG_20210911_060546_1" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_203887/IMG_20210911_060546_1-1.jpg"/>
</figure>

 It wasn’t clear enough so I zoom it a little more with mobile

<ul class="wp-block-gallery columns-1 is-cropped" data-carousel-extra='{"blog_id":1,"permalink":"https:\/\/microcosmos.foldscope.com\/?p=203887"}'>
 <li class="blocks-gallery-item">
 <figure>
 <img alt="IMG_20210910_213012.jpg" class="wp-image-203893 gcloudimg" data-id="203893" data-link="https://microcosmos.foldscope.com/?attachment_id=203893" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_203887/IMG_20210910_213012.jpg"/>
 <figcaption>
 Zoomed extra 4x
 </figcaption>
 </figure>
 </li>
</ul>

 Now I can blood cells but can’t identify red or white blood cells because I don’t have any stain

Watching individual blood cells under foldscope

Raihana

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