#  Talos and Krios Protocols 

 



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### **Please review the appropriate protocols prior to your microscope session. Click the links below to view the protocols:**



 

  [### SerialEM for SPA 

 ](https://www.dropbox.com/scl/fi/k22me98erzo84z7zwvqbq/January2024_SEM-OnSite-Guide-copy.pdf?rlkey=lz22l0ym7jiyyy52ksw8a189l&dl=0)Talos and Krios

Click the link above to access the SerialEM Training Guide.



 

   ![talos](/sites/g/files/omnuum8871/files/styles/hwp_16_9__480x270/public/2025-05/talos.png?itok=dfH8o1mu) 

 

 

 

  [### EPU Guide for SPA

 ](https://www.dropbox.com/scl/fi/wctuconnmsax5yxk1hkxo/FINAL_EPU_GUIDE_FOR_WEB.pdf?rlkey=vkda03tqfzmoliqx2kzrqj5j5&dl=0)Krios Microscopes

Click the link above to access the EPU training guide.



 

   ![Krios](/sites/g/files/omnuum8871/files/styles/hwp_16_9__480x270/public/2025-05/KRIOS_1.png?itok=abign-d5) 

 

 

 

  [### SerialEM Guide for CryoET

 ](https://www.dropbox.com/scl/fi/fn7ly83bmzi4jnyxm33kr/TOMOGRAPHY_GUIDE_FINAL_WEBSITE.pdf?rlkey=10u4ys7jf2e6i46k0wwpqcut7&e=1&dl=0)Krios and Talos

Click the Link above for the CryoET collection guide using SerialEM.



 

   ![bacteria](/sites/g/files/omnuum8871/files/styles/hwp_16_9__480x270/public/2025-05/bacteria.png?itok=E8fijXcT) 

 

 

 

  [### Tomo5 Guide for Krios CryoET

 ](https://www.dropbox.com/scl/fi/xpklkb67p8q4sfghwtnwb/Jan2026_tomo5_user_guide.pdf?rlkey=wpqnsz6stk50hhkfvore7yzzh&dl=0)Krios Microscopes

 

   ![virus](/sites/g/files/omnuum8871/files/styles/hwp_16_9__480x270/public/2025-05/viral.png?itok=TMfJ8jC5) 

 

 

 

  

 

 

 

## **Common Magnifications on Krios1:**

SortMagnification (kx)

Pixel Size (Å/pixel)

42

2.97

53

2.35

64

1.92

81

1.53

105

1.20

130

0.940

165

0.74

215

0.579

270

0.460

350

0.359





## **Common Magnifications on Krios2:**

SortMagnification (kx)

Pixel Size (Å/pixel)

42

2.98

53

2.35

64

1.92

81

1.53

105

1.20

130

0.941

165

0.737

215

0.579

270

0.461

350

0.359





## **Common Magnifications on Talos:**

SortMagnification

Talos Arctica

36 kX

1.11 Å/pix






### Pixel Sizes Last Updated: Jan 2025