Yuanzhe Xie

<figure class="wp-block-image">
 <img alt="Bi 1" class="wp-image-142932 gcloudimg" data-attachment-id="142932" 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="Bi 1" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_142931/Bi-1.jpg"/>
</figure>

 This is an image of turtle pond water sample under foldscope. The turtle pond water was provided by section TA’s. Two drops of pond water were placed on the load glass with a cover. The picture was taken by a phone camera. Question: Is this a bubble or an organism? How to distinguish them? Potential approach: Observe for a longer time and see if it moves, not in a manner of Brownian motion.

Image of organisms in turtle pond water

<figure class="wp-block-image">
 <img alt="IMG_4193" class="wp-image-149561 gcloudimg" data-attachment-id="149561" 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":"1"}' data-image-title="IMG_4193" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_149540/IMG_4193-1.jpg"/>
 <figcaption>
 The anther with pollen in it of the rosa multiflora under foldscope
 </figcaption>
</figure>

 This is the image of anthers and pollen of the rosa multiflora under foldscope. The picture was taken by a cellphone and therefore the resolution was not very satisfying. The anthers were brown with some small spots in them. Those spots were identified to the pollen.

<figure class="wp-block-image">
 <img alt="IMG_4199" class="wp-image-149562 gcloudimg" data-attachment-id="149562" 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":"1"}' data-image-title="IMG_4199" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_149540/IMG_4199-1.jpg"/>
 <figcaption>
 The position where the sample was obtained
 </figcaption>
</figure>

 The sample was obtained from a rosa multiflora beside the Broad and it was prepared around 7:30 PM on Thursday (05/09/19). Several anthers were taken from one flower and ground carefully. Then they were loaded to the glass slide and observed under the foldscope.

<figure class="wp-block-image">
 <img alt="IMG_4201" class="wp-image-149555 gcloudimg" data-attachment-id="149555" 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="IMG_4201" data-recalc-dims="1" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_149540/IMG_4201.png"/>
 <figcaption>
 The white rosa multiflora which provides the anther and pollen
 </figcaption>
</figure>

 The pollen belonged to the Rosa multiflora. The classification of the flower is Plantae, Angiosperms, Eudicots, Rosids, Rosales, Rosaceae, Rosa, R.multiflora.


 #caltechbi1

Anthers and Pollen of Rosa Multiflora

This post includes 7 foldscope pictures, which are presented in the galleries below. In each gallery, the foldscope image is exhibited on the left while the right is the picture of the plant/tissue which is used to prepare the sample. These foldscope images are obtained via the collaborative efforts of a four-membered team and the team members include Wenjun Chang, Xiaoqi Long, Shuyue Yu and Yuanzhe Xie (me). The pictures displaying where the samples are obtained on the right are shared by the team members. The foldscope images are taken by each team member after the samples are prepared, which means that each team member will present unique foldscope images on the left.

<ol>
 <li>
 The image of the leaf of a plant (left) and the image of the location of the plant used to prepare the sample (right). The foldscope image shows a gray shadow of the leaf tip. The sample was obtained outside the Moore lab around 4 PM on May 29th. The sample was prepared by taking a small part of the leaf on squeezed by the covering glass slide.
 </li>
</ol>
<ul class="wp-block-gallery columns-2 is-cropped" data-carousel-extra='{"blog_id":1,"permalink":"https:\/\/microcosmos.foldscope.com\/?p=152760"}'>
 <li class="blocks-gallery-item">
 <figure>
 <img alt="IMG_4349" class="wp-image-152785 gcloudimg" data-attachment-id="152785" data-comments-opened="1" data-id="152785" data-image-meta='{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"1"}' data-image-title="IMG_4349" data-link="https://microcosmos.foldscope.com/?attachment_id=152785" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_152760/IMG_4349-2.jpg"/>
 </figure>
 </li>
 <li class="blocks-gallery-item">
 <figure>
 <img alt="IMG_4356" class="wp-image-152786 gcloudimg" data-attachment-id="152786" data-comments-opened="1" data-id="152786" data-image-meta='{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"1"}' data-image-title="IMG_4356" data-link="https://microcosmos.foldscope.com/?attachment_id=152786" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_152760/IMG_4356-1.jpg"/>
 </figure>
 </li>
</ul>

 2. The image of the red flower’s pollen (left) and the image of the location of the red flower used to prepare the sample (right). The foldscope image shows small particles which correspond to pollen particles. The sample was obtained outside the Annenberg building around 3 PM on May 29th. The sample was prepared by grinding the pollen and anther in advance and covered them with the covering slide.

<ul class="wp-block-gallery columns-2 is-cropped" data-carousel-extra='{"blog_id":1,"permalink":"https:\/\/microcosmos.foldscope.com\/?p=152760"}'>
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 <figure>
 <img alt="IMG_4319" class="wp-image-152799 gcloudimg" data-attachment-id="152799" data-comments-opened="1" data-id="152799" data-image-meta='{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"1"}' data-image-title="IMG_4319" data-link="https://microcosmos.foldscope.com/?attachment_id=152799" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_152760/IMG_4319.jpg"/>
 </figure>
 </li>
 <li class="blocks-gallery-item">
 <figure>
 <img alt="IMG_4362" class="wp-image-152800 gcloudimg" data-attachment-id="152800" data-comments-opened="1" data-id="152800" data-image-meta='{"aperture":"1.8","credit":"","camera":"CLT-AL00","caption":"smacap_Bright","created_timestamp":"1559143710","copyright":"","focal_length":"3.95","iso":"64","shutter_speed":"0.0083329994791875","title":"smacap_Bright","orientation":"0"}' data-image-title="IMG_4362" data-link="https://microcosmos.foldscope.com/?attachment_id=152800" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_152760/IMG_4362-1.jpg"/>
 <figcaption>
 smacap_Bright
 </figcaption>
 </figure>
 </li>
</ul>

 3. The anther of the purple flower (left) and the location of the plant used to prepare the sample (right). The foldscope image shows a dark outline of the anther. The sample was obtained outside the Moore lab around 4 PM on May 29th. The sample was prepared by crushing anther by the covering glass slide.

<ul class="wp-block-gallery columns-2 is-cropped" data-carousel-extra='{"blog_id":1,"permalink":"https:\/\/microcosmos.foldscope.com\/?p=152760"}'>
 <li class="blocks-gallery-item">
 <figure>
 <img alt="IMG_4354" class="wp-image-152809 gcloudimg" data-attachment-id="152809" data-comments-opened="1" data-id="152809" data-image-meta='{"aperture":"1.8","credit":"","camera":"CLT-AL00","caption":"rhdr","created_timestamp":"1559146228","copyright":"","focal_length":"3.95","iso":"6400","shutter_speed":"0.058330999719966","title":"rhdr","orientation":"0"}' data-image-title="IMG_4354" data-link="https://microcosmos.foldscope.com/?attachment_id=152809" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_152760/IMG_4354-2.jpg"/>
 <figcaption>
 rhdr
 </figcaption>
 </figure>
 </li>
 <li class="blocks-gallery-item">
 <figure>
 <img alt="IMG_4357" class="wp-image-152811 gcloudimg" data-attachment-id="152811" data-comments-opened="1" data-id="152811" data-image-meta='{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"1"}' data-image-title="IMG_4357" data-link="https://microcosmos.foldscope.com/?attachment_id=152811" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_152760/IMG_4357-2.jpg"/>
 </figure>
 </li>
</ul>

 4. The ovule of the purple flower (left) and the location of the plant used to prepare the sample (right). The foldscope image shows a yellow porous structure of the ovule. The sample was obtained outside the Moore lab around 4 PM on May 29th. The sample was prepared by taking the ovule out of the flower ovary.

<ul class="wp-block-gallery columns-2 is-cropped" data-carousel-extra='{"blog_id":1,"permalink":"https:\/\/microcosmos.foldscope.com\/?p=152760"}'>
 <li class="blocks-gallery-item">
 <figure>
 <img alt="IMG_4353" class="wp-image-152812 gcloudimg" data-attachment-id="152812" data-comments-opened="1" data-id="152812" data-image-meta='{"aperture":"1.8","credit":"","camera":"CLT-AL00","caption":"mde","created_timestamp":"1559145649","copyright":"","focal_length":"3.95","iso":"800","shutter_speed":"0.058330999719966","title":"mde","orientation":"0"}' data-image-title="IMG_4353" data-link="https://microcosmos.foldscope.com/?attachment_id=152812" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_152760/IMG_4353-1.jpg"/>
 <figcaption>
 mde
 </figcaption>
 </figure>
 </li>
 <li class="blocks-gallery-item">
 <figure>
 <img alt="IMG_4357" class="wp-image-152813 gcloudimg" data-attachment-id="152813" data-comments-opened="1" data-id="152813" data-image-meta='{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"1"}' data-image-title="IMG_4357" data-link="https://microcosmos.foldscope.com/?attachment_id=152813" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_152760/IMG_4357-3.jpg"/>
 </figure>
 </li>
</ul>

 5. The filament of the bush (left) and the location of the plant used to prepare the sample (right). The foldscope image shows a dark filamentous structure of the fiber. The sample was obtained outside the Moore lab around 4 PM on May 29th. The sample was prepared by taking a small part of the grass fiber.

<ul class="wp-block-gallery columns-2 is-cropped" data-carousel-extra='{"blog_id":1,"permalink":"https:\/\/microcosmos.foldscope.com\/?p=152760"}'>
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 <figure>
 <img alt="IMG_4351" class="wp-image-152816 gcloudimg" data-attachment-id="152816" data-comments-opened="1" data-id="152816" data-image-meta='{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"1"}' data-image-title="IMG_4351" data-link="https://microcosmos.foldscope.com/?attachment_id=152816" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_152760/IMG_4351-1.jpg"/>
 </figure>
 </li>
 <li class="blocks-gallery-item">
 <figure>
 <img alt="IMG_4360" class="wp-image-152817 gcloudimg" data-attachment-id="152817" data-comments-opened="1" data-id="152817" data-image-meta='{"aperture":"1.8","credit":"","camera":"CLT-AL00","caption":"smacap_Bright","created_timestamp":"1559143660","copyright":"","focal_length":"3.95","iso":"100","shutter_speed":"0.0083329994791875","title":"smacap_Bright","orientation":"0"}' data-image-title="IMG_4360" data-link="https://microcosmos.foldscope.com/?attachment_id=152817" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_152760/IMG_4360.jpg"/>
 <figcaption>
 smacap_Bright
 </figcaption>
 </figure>
 </li>
</ul>

 6. The resin of the white flower (left) and the location of the flower used to prepare the sample (right). The foldscope image shows a shining silver liquid. The sample was obtained around the Beckman Institute at 3:30 PM on May 29th. The sample was prepared by cutting the stem of the flower and collecting the white liquid.

<ul class="wp-block-gallery columns-2 is-cropped" data-carousel-extra='{"blog_id":1,"permalink":"https:\/\/microcosmos.foldscope.com\/?p=152760"}'>
 <li class="blocks-gallery-item">
 <figure>
 <img alt="IMG_4347" class="wp-image-152822 gcloudimg" data-attachment-id="152822" data-comments-opened="1" data-id="152822" data-image-meta='{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"1"}' data-image-title="IMG_4347" data-link="https://microcosmos.foldscope.com/?attachment_id=152822" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_152760/IMG_4347-1.jpg"/>
 </figure>
 </li>
 <li class="blocks-gallery-item">
 <figure>
 <img alt="IMG_4361" class="wp-image-152824 gcloudimg" data-attachment-id="152824" data-comments-opened="1" data-id="152824" data-image-meta='{"aperture":"1.8","credit":"","camera":"CLT-AL00","caption":"smacap_Bright","created_timestamp":"1559143934","copyright":"","focal_length":"3.95","iso":"50","shutter_speed":"0.001892999949385","title":"smacap_Bright","orientation":"0"}' data-image-title="IMG_4361" data-link="https://microcosmos.foldscope.com/?attachment_id=152824" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_152760/IMG_4361.jpg"/>
 <figcaption>
 smacap_Bright
 </figcaption>
 </figure>
 </li>
</ul>

 7. The image of the human skin. The skin was contributed by one team member Wenjun Chang. It was ripped from his hand and covered by the covering slide. The foldscope image shows a white folded structure. The sample was obtained at 4:30 PM on May 29th in the Bechtel room 272.

<figure class="wp-block-image">
 <img alt="IMG_4350" class="wp-image-152826 gcloudimg" data-attachment-id="152826" 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":"1"}' data-image-title="IMG_4350" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_152760/IMG_4350-1.jpg"/>
</figure>

 #caltechbi1

Foldscope images of plants and tissues (extra credit)

This is the additional part for the foldscope extra credit. These pictures were all taken by the author independently.

<ol>
 <li>
 The pollen of the red flower (right) and the location of the red flower used to prepare the sample (left). The foldscope image shows yellow particles of the pollen. The sample was obtained outside the Sherman Fairchild Library around 4 PM on May 31st. The sample was prepared by collecting powder extraction from the anthers.
 </li>
</ol>
<ul class="wp-block-gallery columns-2 is-cropped" data-carousel-extra='{"blog_id":1,"permalink":"https:\/\/microcosmos.foldscope.com\/?p=154504"}'>
 <li class="blocks-gallery-item">
 <figure>
 <img alt="IMG_4370" class="wp-image-154620 gcloudimg" data-attachment-id="154620" data-comments-opened="1" data-id="154620" data-image-meta='{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"1"}' data-image-title="IMG_4370" data-link="https://microcosmos.foldscope.com/?attachment_id=154620" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_154504/IMG_4370-1.jpg"/>
 </figure>
 </li>
 <li class="blocks-gallery-item">
 <figure>
 <img alt="IMG_4377" class="wp-image-154694 gcloudimg" data-attachment-id="154694" data-comments-opened="1" data-id="154694" data-image-meta='{"aperture":"2.4","credit":"","camera":"iPad mini 4","caption":"","created_timestamp":"1559324963","copyright":"","focal_length":"3.3","iso":"80","shutter_speed":"0.033333333333333","title":"","orientation":"1"}' data-image-title="IMG_4377" data-link="https://microcosmos.foldscope.com/?attachment_id=154694" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_154504/IMG_4377-2.jpg"/>
 </figure>
 </li>
</ul>

 2. The petal of the red flower (left) and the location of the red flower used to prepare the sample (right). The foldscope image shows red particular structure of the petal. The sample was obtained outside the Sherman Fairchild Library around 4 PM on May 31st. The sample was prepared by ripping a petal from the flower.

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 <figure>
 <img alt="IMG_4376" class="wp-image-154629 gcloudimg" data-attachment-id="154629" data-comments-opened="1" data-id="154629" data-image-meta='{"aperture":"2.4","credit":"","camera":"iPad mini 4","caption":"","created_timestamp":"1559325289","copyright":"","focal_length":"3.3","iso":"25","shutter_speed":"0.0014619883040936","title":"","orientation":"1"}' data-image-title="IMG_4376" data-link="https://microcosmos.foldscope.com/?attachment_id=154629" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_154504/IMG_4376.jpg"/>
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 <figure>
 <img alt="IMG_4370" class="wp-image-154651 gcloudimg" data-attachment-id="154651" data-comments-opened="1" data-id="154651" data-image-meta='{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"1"}' data-image-title="IMG_4370" data-link="https://microcosmos.foldscope.com/?attachment_id=154651" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_154504/IMG_4370-5.jpg"/>
 </figure>
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</ul>

 3. The extraction of the stem of the red flower (right) and the location of the red flower used to prepare the sample (left). The foldscope image shows the yellowish liquid as the extraction from the flower stem. The sample was obtained outside the Sherman Fairchild Library around 4 PM on May 31st. The sample was prepared by squeezing the stem and collecting the liquid.

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 <figure>
 <img alt="IMG_4370" class="wp-image-154639 gcloudimg" data-attachment-id="154639" data-comments-opened="1" data-id="154639" data-image-meta='{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"1"}' data-image-title="IMG_4370" data-link="https://microcosmos.foldscope.com/?attachment_id=154639" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_154504/IMG_4370-4.jpg"/>
 </figure>
 </li>
 <li class="blocks-gallery-item">
 <figure>
 <img alt="IMG_4375" class="wp-image-154706 gcloudimg" data-attachment-id="154706" data-comments-opened="1" data-id="154706" data-image-meta='{"aperture":"2.4","credit":"","camera":"iPad mini 4","caption":"","created_timestamp":"1559324225","copyright":"","focal_length":"3.3","iso":"25","shutter_speed":"0.00060096153846154","title":"","orientation":"1"}' data-image-title="IMG_4375" data-link="https://microcosmos.foldscope.com/?attachment_id=154706" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_154504/IMG_4375-1.jpg"/>
 </figure>
 </li>
</ul>

 4. The bark of the tree (right) and the location of the tree used to prepare the sample (left). The foldscope image shows the brownish sticks. The sample was obtained beside the Dabney Hall around 4 PM on May 31st. The sample was prepared by ripping the bark from the tree.

<ul class="wp-block-gallery columns-2 is-cropped" data-carousel-extra='{"blog_id":1,"permalink":"https:\/\/microcosmos.foldscope.com\/?p=154504"}'>
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 <figure>
 <img alt="IMG_4369" class="wp-image-154647 gcloudimg" data-attachment-id="154647" data-comments-opened="1" data-id="154647" data-image-meta='{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"1"}' data-image-title="IMG_4369" data-link="https://microcosmos.foldscope.com/?attachment_id=154647" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_154504/IMG_4369.jpg"/>
 </figure>
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 <li class="blocks-gallery-item">
 <figure>
 <img alt="IMG_4378" class="wp-image-154707 gcloudimg" data-attachment-id="154707" data-comments-opened="1" data-id="154707" data-image-meta='{"aperture":"2.4","credit":"","camera":"iPad mini 4","caption":"","created_timestamp":"1559324679","copyright":"","focal_length":"3.3","iso":"25","shutter_speed":"0.025","title":"","orientation":"1"}' data-image-title="IMG_4378" data-link="https://microcosmos.foldscope.com/?attachment_id=154707" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_154504/IMG_4378-1.jpg"/>
 </figure>
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 5. The leaf of the green plant (right) and the location of the plant used to prepare the sample (left). The foldscope image shows the green particular structures over the surface of the leaf. The sample was obtained beside the Dabney Hall around 4 PM on May 31st. The sample was prepared by taking a small piece of leaf from the plant.

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 <img alt="IMG_4366" class="wp-image-154649 gcloudimg" data-attachment-id="154649" data-comments-opened="1" data-id="154649" data-image-meta='{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"1"}' data-image-title="IMG_4366" data-link="https://microcosmos.foldscope.com/?attachment_id=154649" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_154504/IMG_4366.jpg"/>
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 <figure>
 <img alt="IMG_4373" class="wp-image-154718 gcloudimg" data-attachment-id="154718" data-comments-opened="1" data-id="154718" data-image-meta='{"aperture":"2.4","credit":"","camera":"iPad mini 4","caption":"","created_timestamp":"1559323809","copyright":"","focal_length":"3.3","iso":"25","shutter_speed":"0.016666666666667","title":"","orientation":"1"}' data-image-title="IMG_4373" data-link="https://microcosmos.foldscope.com/?attachment_id=154718" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_154504/IMG_4373-1.jpg"/>
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 6. The stem of the white flower (left) and the location of the plant used to prepare the sample (right). The foldscope image shows the yellowish particles in the stem. The sample was obtained beside SFL around 4 PM on May 31st. The sample was prepared by cutting the stem and expanding it on the glass slide.

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 #caltechbi1

Yuanzhe Xie

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Anthers and Pollen of Rosa Multiflora

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Foldscope images of plants for extra credit (Additional part)

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