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Launch HN: Volta Labs (YC W19) – Easier sample prep for genomics

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Re: Launch HN: Volta Labs (YC W19) – Easier sample prep for genomics

#11
post #5

Hi Udayan - nice to see another shot at electrowetting microfluidics in this space. 1. How does your technology or product offering distinguish itself from prior attempts like NeoPrep (née Advanced Liquid Logic) from Illumina or Voltrax from ONT? 2. How "hackable" is the offering for power users to implement custom protocols on the instrument and consumables?

In response to your first question, there are notable differences between the NeoPrep and Callisto, and between Voltrax and Callisto.

NeoPrep / Voltrax vs Callisto:

- NeoPrep and Voltrax primarily use electrowetting to manipulate samples and droplets. In contrast, Volta Labs' Callisto uses electrowetting where appropriate and employs other traditional and non-traditional technologies for different droplet manipulation operations. For instance (in the linked video), we demonstrate the use of a standard pipettor for transferring liquids from tubes on the electrowetting surface in our video.

- While NeoPrep and Voltrax have limitations in certain workflow capabilities compared to Callisto, they also surpass Callisto in other aspects. For example, they have lower throughput and lack batch level flexibility. Unlike the Volta Callisto system, these two systems cannot process raw samples such as blood, saliva, or cells. However, the Volta Callisto system can extract DNA/RNA from raw biological samples, including blood and saliva. On the contrary both the Voltrax and NeoPrep systems can perform onboard/on-chip PCR and measure DNA quantities using optical sensors, capabilities that the Volta Callisto system currently lacks.

- The NeoPrep system used a PCB cartridge which had significant robustness issues, and the entire PCB was disposable. Similarly, the Voltrax system's LCD display is disposable after each run. On the other hand, the Callisto system uses a simple plastic component as the disposable.

- User interaction with NeoPrep and Voltrax can be quite messy, requiring users to fill oil through channels and dispense reagents/samples through small holes. The Callisto system, however, accepts standard tubes as inputs and outputs, eliminating the need for users to learn new techniques for loading/unloading samples into the system.

Re: Launch HN: Volta Labs (YC W19) – Easier sample prep for genomics

#12
post #9

The Volta Labs employee reviews on GlassDoor paint a picture of a high functioning team feeling crippled by absent or dysfunctional management. There are some high ratings but to my eye they look like they were probably written by management. Are you confident you can launch and support a complex innovative product successfully with an apparently disgruntled and depressed technical team?

I’m honestly surprised their Glassdoor rating is as high as it currently is- perhaps review-washing? A year back when I interviewed for a position there, the rating was much lower, in the 2-3 range.

They have a 2.6 if all 15 current reviews are included. I believe you're right about review-washing; negative reviews I saw a year ago appear to have been removed.

Re: Launch HN: Volta Labs (YC W19) – Easier sample prep for genomics

#14

that vimeo is just a guy talking? lets see some science! i think nato built something like this at uBiome, but it never saw use. another yc that scrubbed the glass-door reviews

Further reflection- this video is a little sketchy. it has subtle flaws that look like red flags

- Nobody who works in a lab would call screw cap tubes 'these little tubes'

- Shows no action from machine

- How is machine supposed to open 'these little tubes'? It can't unscrew them.

- If the operator starts the machine with open screw-cap tubes (usually full of expensive things) how would the operator (or robot) close the tube for the rest of the run? Leaving it open is bad, seems like opening the machine should be bad...

I think if this company actually had a working machine, they'd show it working

edit: glassdoor reviews are insaaaane. if people are willing to leave reviews like that at a company this small, its gotta be worse than they're even describing.

so much promise in the bio space absorbing tech, so much peril when tech tries to bio

Re: Launch HN: Volta Labs (YC W19) – Easier sample prep for genomics

#15

The Volta Labs employee reviews on GlassDoor paint a picture of a high functioning team feeling crippled by absent or dysfunctional management. There are some high ratings but to my eye they look like they were probably written by management. Are you confident you can launch and support a complex innovative product successfully with an apparently disgruntled and depressed technical team?

Employee reviews are a very underrated way to judge a company. Especially one that offers breakthrough tech

Re: Launch HN: Volta Labs (YC W19) – Easier sample prep for genomics

#16

that vimeo is just a guy talking? lets see some science! i think nato built something like this at uBiome, but it never saw use. another yc that scrubbed the glass-door reviews

Further reflection- this video is a little sketchy. it has subtle flaws that look like red flags - Nobody who works in a lab would call screw cap tubes 'these little tubes' - Shows no action from machine - How is machine supposed to open 'these little tubes'? It can't unscrew them. - If the operator starts the machine with open screw-cap tubes (usually full of expensive things) how would the operator (or robot) close…

Thank you for the valuable criticism.

- We created this video specifically for the HackerNews community, opting for simple language to cater to a broad audience.

- We are open to filming again to showcase more of the technology.

- The Callisto system doesn't unscrew the caps; users do that before using it.

- Neither the robot nor the operator close the tubes for the remainder of the run. They're left open for the pipettor. The reagents and samples in the tubes are consumed throughout the process.

Re: Launch HN: Volta Labs (YC W19) – Easier sample prep for genomics

#17
This is fascinating!

1. How do you ensure the reliability of the Callisto system, and what evidence can you provide that demonstrates its performance and consistency in different laboratory settings?

2. What are the technical limitations of the current version of your system, and how do you plan to address these in future iterations?

3. What are the long-term goals for Volta Labs, and how do you plan to evolve your technology to meet future market needs?

4. Could you provide details on the initial and operating costs of the Callisto Sample Prep System? Considering you mention lowering the cost for small labs, how does the investment compare in terms of ROI and scalability? What is the value proposition for university labs that traditionally use student volunteers for manual tasks?

5. What is the significance of the name 'Callisto' for your sample prep system? Is there a connection to its namesake, either the nymph or the moon of Jupiter, that reflects the system’s qualities or capabilities?

Re: Launch HN: Volta Labs (YC W19) – Easier sample prep for genomics

#18

The Volta Labs employee reviews on GlassDoor paint a picture of a high functioning team feeling crippled by absent or dysfunctional management. There are some high ratings but to my eye they look like they were probably written by management. Are you confident you can launch and support a complex innovative product successfully with an apparently disgruntled and depressed technical team?

Yes - I'm confident in our ability to build and support our product for several reasons. We've recruited exceptional talents who believe in Volta's mission, and we are making deliberate adjustments to better listen, learn, and support them. I agree that the Glassdoor reviews are challenging. However, these reviews, along with employee feedback, hiring, and exit insights, are instrumental in actively positioning the right people and systems to improve the overall employee experience. For instance, we've been hiring experienced leaders to better mentor our team.

Moreover, we've undergone several transformations as a business rapidly over the past year. We transitioned from an R&D focus to a commercial focus, almost doubled our team size (and continue to grow), and now, with our commercial launch, we're evolving again. There have been some tough growing pains, and change isn't always easy. But we're committed to building a sustainable business, and the way to achieve this is by fostering an environment that encourages openness, collaboration, and innovation.

Re: Launch HN: Volta Labs (YC W19) – Easier sample prep for genomics

#19

The Volta Labs employee reviews on GlassDoor paint a picture of a high functioning team feeling crippled by absent or dysfunctional management. There are some high ratings but to my eye they look like they were probably written by management. Are you confident you can launch and support a complex innovative product successfully with an apparently disgruntled and depressed technical team?

Yes - I'm confident in our ability to build and support our product for several reasons. We've recruited exceptional talents who believe in Volta's mission, and we are making deliberate adjustments to better listen, learn, and support them. I agree that the Glassdoor reviews are challenging. However, these reviews, along with employee feedback, hiring, and exit insights, are instrumental in actively positioning the r…

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Re: Launch HN: Volta Labs (YC W19) – Easier sample prep for genomics

#20

This is fascinating! 1. How do you ensure the reliability of the Callisto system, and what evidence can you provide that demonstrates its performance and consistency in different laboratory settings? 2. What are the technical limitations of the current version of your system, and how do you plan to address these in future iterations? 3. What are the long-term goals for Volta Labs, and how do you plan to evolve your t…

1. We have a rigorous validation plan for ensuring that the applications on the platform perform robustly. We also operate in an industry where the standards are very high and samples being processed are previous and there are no excuses for failures. Moreover we have deployed with several customers in 2023, results of which have been showcased at premier genomics conference like AGBT. They are all published on our website here: https://www.voltalabs.com/resources

2. Some technical limitations of the platform include its inability to do PCR or onboard implication, there are also limitations on range of volumes we can work with. We plan to address these in the future.

3. Our system actually leverages an advanced form of electrowetting, magnetic manipulation of samples and thermal control in combination with liquid transfer technologies like pipettors. Our roadmap includes advancing all of these underlying technologies: for example being able to go to higher or lower temperatures. If you also think about the declining cost of sequencing, the cost of sample prep needs to go down relative to the cost of sequencing: we are going to advance the technology to drive the cost curve down. We might potentially expand into other applications beyond sequencing: those include synthetic biology, proteomics to name a couple.

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