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Weird images from algae culture


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#1 pito

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Posted 02 September 2020 - 12:10 PM

Hello all,

 

I recently grew some algea and took a few pictures of the foam visible in the culture.

I am wondering if I am simple seeing foam or a combination of foam and algae or ?

 

See pictures attached.

It looks like foam, but in some I can see something that looks like a nucleus. I am also wondering about the coloration. I guess the foam becomes green due to death algea?

 

thanks in advance.

Attached Thumbnails

  • l100.jpg
  • l1.jpg
  • schuim obj100x bis.jpg

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#2 bob1

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Posted 02 September 2020 - 04:50 PM

Which species of alga and scale?



#3 pito

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Posted 08 September 2020 - 12:46 PM

Which species of alga and scale?

Haha yes, I should have mentioned this.

It is a specials of chlorella and it is a 400X or 1000X image (middle one is 400X)


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#4 bob1

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Posted 08 September 2020 - 05:36 PM

It looks like what you are seeing there are algal cells trapped by surface tension on the surface of the bubble/foam. The clearish object you can see in some of the pictures (e.g. at 10 o'clock position in image 3) looks like an interaction between the light-path and another bubble.



#5 pito

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Posted 13 September 2020 - 07:58 AM

It looks like what you are seeing there are algal cells trapped by surface tension on the surface of the bubble/foam. The clearish object you can see in some of the pictures (e.g. at 10 o'clock position in image 3) looks like an interaction between the light-path and another bubble.

Yeah, that is what I also figured. 

I think it is indeed as you say, algal cells trapped in the fluid.


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