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Hiroshi Sasaki

@hiroshisasak1

Biologist, technologist, husband, dad | ๐Ÿงฌ๐Ÿ”ฌ๐ŸŸ| In situ spatial omicsโ†super-resolution microscopyโ†single molecule biophysics | Staff Scientist @10x Genomics | prev. Wyss Institute @Harvard / Sysbio @HMS / Univ Tokyo | Views are my own

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06.07.2023
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Latest posts by Hiroshi Sasaki @hiroshisasak1

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From #PCR, to #NGS, to #scRNAseq, yesterdayโ€™s pipe dream is todayโ€™s standard. Science follows a pattern, after all: first, somethingโ€™s impossible. Then, itโ€™s indispensable. So whatโ€™s next on that list?

Join us for a webinar this April to find out. https://bit.ly/4tJv9tD

23.02.2026 15:00 ๐Ÿ‘ 5 ๐Ÿ” 3 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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This seems like a really important paper comparing chromosome tracing methods, demonstrating that classical denaturing DNA-FISH and chromosome tracing leads to substantial distortion of 3D genome structure, likely due to the high-temperatures involved (70-90C):
www.nature.com/articles/s41...

20.07.2025 19:41 ๐Ÿ‘ 74 ๐Ÿ” 17 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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elmo from sesame street is standing in front of a wall of flames ALT: elmo from sesame street is standing in front of a wall of flames

Congrats!!!!

08.05.2025 03:54 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
A cover of a board book titled โ€œGoodnight Labโ€ written and illustrated by Chris Ferrie.

A cover of a board book titled โ€œGoodnight Labโ€ written and illustrated by Chris Ferrie.

A grumpy old professor shouting โ€œpublishโ€

A grumpy old professor shouting โ€œpublishโ€

Goodnight to the grumpy old professor shouting โ€œpublishโ€

Goodnight to the grumpy old professor shouting โ€œpublishโ€

I got a book titled "Goodnight Lab" for my 5yo, and it is hilarious!

24.02.2025 04:55 ๐Ÿ‘ 5 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
A close-up of a blue ceramic pot containing a variety of small succulents, including a tall, speckled succulent Scilla and a symmetrically stacked succulent Crassula, illuminated by bright sunlight from a window.

A close-up of a blue ceramic pot containing a variety of small succulents, including a tall, speckled succulent Scilla and a symmetrically stacked succulent Crassula, illuminated by bright sunlight from a window.

Using a pot I got for my birthday, I tried my first group planting of succulents. Not bad.

10.02.2025 05:57 ๐Ÿ‘ 9 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Itโ€™s been a tough few weeks. My 10yo daughter was diagnosed with a very rare, aggressive cancer called interdigitating dendritic cell sarcoma (IDCS). Iโ€™m reaching out to identify clinicians/patients who have encountered pediatric IDCS or other (non-LCH) dendritic or histiocytic sarcomas cases.

08.02.2025 21:21 ๐Ÿ‘ 1007 ๐Ÿ” 847 ๐Ÿ’ฌ 83 ๐Ÿ“Œ 32

Considering the recent significant advancements in scaling laws for LLMs, I believe that similar scaling laws exist in biology and medicine.

07.02.2025 05:12 ๐Ÿ‘ 2 ๐Ÿ” 1 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Considering the recent significant advancements in scaling laws for LLMs, I believe that similar scaling laws exist in biology and medicine.

07.02.2025 05:12 ๐Ÿ‘ 2 ๐Ÿ” 1 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Creating the largest #singlecell dataset ever will take dedication, collaboration & high-performance tools. Weโ€™re thrilled the @chanzuckerberg.bsky.social Billion Cells Project will pair GEM-X tech with Ultima Genomics sequencing to achieve this landmark scale. Learn more: bit.ly/4aRaScr

06.02.2025 16:23 ๐Ÿ‘ 10 ๐Ÿ” 3 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 5

ใ‚ใ‚ŠใŒใจใ†ใ”ใ–ใ„ใพใ™๏ผ

06.02.2025 04:14 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

age += 1

04.02.2025 20:34 ๐Ÿ‘ 3 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
The image shows a coloring activity by my kid featuring a drawing of Martin Luther King Jr., with the name โ€œMartin Luther King Jr.โ€ written at the top. Below the illustration, the phrase โ€œI Have A Dreamโ€ is printed in dashed letters, likely for tracing. The drawing has been colored in with vibrant hues: brown for the face, blue for the suit, red for part of the suit and tie, yellow and green for the tie, and pink for the lips.

The image shows a coloring activity by my kid featuring a drawing of Martin Luther King Jr., with the name โ€œMartin Luther King Jr.โ€ written at the top. Below the illustration, the phrase โ€œI Have A Dreamโ€ is printed in dashed letters, likely for tracing. The drawing has been colored in with vibrant hues: brown for the face, blue for the suit, red for part of the suit and tie, yellow and green for the tie, and pink for the lips.

Good job, my kid

19.01.2025 06:57 ๐Ÿ‘ 4 ๐Ÿ” 1 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

I recently reconnected with a friend from junior high school, who is now a university professor, and we had an interesting discussion about the characteristics of biology and medicine as disciplines.

19.01.2025 06:36 ๐Ÿ‘ 3 ๐Ÿ” 1 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
The image shows a coloring activity by my kid featuring a drawing of Martin Luther King Jr., with the name โ€œMartin Luther King Jr.โ€ written at the top. Below the illustration, the phrase โ€œI Have A Dreamโ€ is printed in dashed letters, likely for tracing. The drawing has been colored in with vibrant hues: brown for the face, blue for the suit, red for part of the suit and tie, yellow and green for the tie, and pink for the lips.

The image shows a coloring activity by my kid featuring a drawing of Martin Luther King Jr., with the name โ€œMartin Luther King Jr.โ€ written at the top. Below the illustration, the phrase โ€œI Have A Dreamโ€ is printed in dashed letters, likely for tracing. The drawing has been colored in with vibrant hues: brown for the face, blue for the suit, red for part of the suit and tie, yellow and green for the tie, and pink for the lips.

Good job, my kid

19.01.2025 06:57 ๐Ÿ‘ 4 ๐Ÿ” 1 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

As a biologist by training, I understand that recognizing the unique characteristics of each discipline is crucial for efficient learning and progress. This understanding helps avoid unnecessary detours and ensures a more direct path to mastering new fields.

19.01.2025 06:36 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Biology presents a different challenge, as studying higher levels requires a solid understanding of the basics. For example, working in immunology demands more than just memorizing basic biochemistry or genetics concepts; it requires a deeper comprehension of these foundational subjects.

19.01.2025 06:36 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

In fields like physics and computer science, a clear hierarchy exists, allowing the use of basic levels without deep understanding. For example, in computer science's statistical mathematics, one applies theorems without needing to prove them. This discernment is crucial given our limited time.

19.01.2025 06:36 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

I recently reconnected with a friend from junior high school, who is now a university professor, and we had an interesting discussion about the characteristics of biology and medicine as disciplines.

19.01.2025 06:36 ๐Ÿ‘ 3 ๐Ÿ” 1 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
This photo depicts a whimsical playground or park area with several large, flower-shaped canopies providing shade. The turquoise-colored flower structure occupies the foreground, its petals arranged around a central hub and filtering the sunlight. Behind it stand two more oversized flower shadesโ€”one blue and one redโ€”adding vibrant pops of color.

Beneath and around these structures is a circular plaza paved with a floral design. There are additional play elements in the background, along with greenery and scattered trees. A few people can be seen walking or playing, while the sky above is partly cloudy with soft light peeking through, giving the scene an airy, spacious feel.

This photo depicts a whimsical playground or park area with several large, flower-shaped canopies providing shade. The turquoise-colored flower structure occupies the foreground, its petals arranged around a central hub and filtering the sunlight. Behind it stand two more oversized flower shadesโ€”one blue and one redโ€”adding vibrant pops of color. Beneath and around these structures is a circular plaza paved with a floral design. There are additional play elements in the background, along with greenery and scattered trees. A few people can be seen walking or playing, while the sky above is partly cloudy with soft light peeking through, giving the scene an airy, spacious feel.

A playground with cool canopies.

06.01.2025 07:07 ๐Ÿ‘ 3 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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a netflix ad shows a woman in a black top and says be there waiting ALT: a netflix ad shows a woman in a black top and says be there waiting
03.01.2025 07:07 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
A close-up photograph of a Haworthia cooper var. truncate, resembling a cluster of grapes with almost transparent leaf tips.

A close-up photograph of a Haworthia cooper var. truncate, resembling a cluster of grapes with almost transparent leaf tips.

A new addition to my office desk. Haworthia cooperi var. truncate.

03.01.2025 07:04 ๐Ÿ‘ 5 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Donโ€™t cook yummy pasta, or they will identify the Earthโ€™s location and destroy our civilization #darkforesttheory #threebodyproblem

03.01.2025 06:55 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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High-speed 10-plex DNA-PAINT with a larger sequence repertoire DNA-Points Accumulation for Imaging in Nanoscale Topography (DNA-PAINT) enables multiplexed super-resolution imaging of biological samples. We expand the repertoire of speed-optimized DNA sequences fo...

Check out a preprint from our lab! We've uncovered all possible speed imager sequences for DNA-PAINT. You can now do 10-plex imaging in just a few hours with simple Exchange-PAINT. ๐Ÿš€๐Ÿ“ธ #DNApaint #SuperResolution
www.biorxiv.org/content/10.1...

03.01.2025 05:57 ๐Ÿ‘ 20 ๐Ÿ” 10 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Reposting my offer for 1-1 mentoring for anyoneโ€ฆ email me and we'll find a time! Especially happy to talk with those from diverse backgrounds and non-traditional career trajectories.

02.01.2025 16:02 ๐Ÿ‘ 75 ๐Ÿ” 24 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 3

(20 + 25)^2 = 2025
Happy New Year!

01.01.2025 16:51 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
A panoramic photo of a beautiful sunset from a hill.

A panoramic photo of a beautiful sunset from a hill.

Watching a beautiful sunset from a hill. "Daddy and Mommy were born in a country beyond the sunset."

31.12.2024 02:16 ๐Ÿ‘ 5 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Since it's winter break, I've decided to study the basics of AI, specifically ML and DL. My goal isn't to become a developer; rather, I want to be able to communicate effectively in future research and development settings from a biologist's perspective and quickly understand the key concepts.

26.12.2024 06:11 ๐Ÿ‘ 9 ๐Ÿ” 1 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

"The basics are important, but it's also crucial to actively use new tools and experience their benefits," said the friend. I completely agree. I often find myself wanting to fully understand how it works, but time is limited, making efficiency essential. This has been a challenge for me as well.

26.12.2024 06:23 ๐Ÿ‘ 3 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Iโ€™m currently reading this
fleuret.org/public/lbdl....

One of my friends recommended the following YouTube programs:
Neural Networks | 3Blue1Brown
youtu.be/aircAruvnKk?...
DeepLearningAI
m.youtube.com/watch?v=CS4c...

If you have any other recommendations, please let me know๐Ÿ™

26.12.2024 06:20 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

Since it's winter break, I've decided to study the basics of AI, specifically ML and DL. My goal isn't to become a developer; rather, I want to be able to communicate effectively in future research and development settings from a biologist's perspective and quickly understand the key concepts.

26.12.2024 06:11 ๐Ÿ‘ 9 ๐Ÿ” 1 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0