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ARTICLES and Other Media

featuring the Echo® Acoustic Technology

121 Total Articles and Other Media
HOME | RESOURCES | Articles

ARTICLES

121 Total Articles and Other Media

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TITLES and AUTHORS Year Link PDF + Abstract
  • Transferring nano-to milliliters of aqueous fluids with sound: the science behind the new Labcyte Echo® Qualified Reservoir Sackmann E.K., Majlof L., Bandzava T., Daulton J., Eaton B., Vandenbroucke A., Rajeswari S., Stearns

    Institution: Labcyte Inc., BMG LABTECH, and Cisbio

    Publication: POSTER

    2015 PDF abstract

    Acoustic liquid handling utilizes high-frequency sound waves that are focused on the surface of a fluid to eject nanoliter-scale droplets with high accuracy and precision. The Echo® 525 liquid handler increases the transfer droplet volume 10-fold over our Echo 55X products, which allows for transfer rates of up to 5 μL/s and enables workflows for life science applications that were previously less practical. To enable the transfer of larger volumes of fluid at this faster transfer rate we are releasing a companion consumable, the multi-well Echo Qualified Reservoir (ER). The ER is a 2x3 well, ANSI/SLAS compatible source plate that has a maximum starting volume of 2800 μL of fluid per well and a dead volume of 250 μL per well – a large advantage over our standard 384-well plate (Figure 1).

    In this work, we showcase two patented Labcyte technologies, Dynamic Fluid Analysis (DFA) and a high voltage (HV) grid, and describe how they enable the transfer of nano- to milliliter volumes of fluid using acoustic droplet ejection (ADE). We utilize a high speed, side-view camera that is coupled with the Echo to capture droplet dynamics in flight (Figure 2), and show how DFA and the HV grid are critical technologies for larger volume acoustic liquid handling.

    Publication / Type:
    POSTER
    Related Subject:
    Transferring nano- to milliliters of aqueous fluids sound Labcyte Echo® Qualified Reservoir
  • High Throughput Multiplexed Apoptosis Assays Using the Labcyte Echo® Liquid Handler and the IntelliCyt iQue® Screener HD Lesnick J., Edwards B. and Ho, H.

    Institution: Labcyte Inc. and IntelliCyt

    Publication: POSTER

    2015 abstract

    The need for characterizing apoptotic processes occurs throughout the drug discovery process – from primary screening to toxicity profiling. Apoptosis is a tightly regulated cell death program that can be executed by cells that are no longer physiologically necessary. It is often triggered as a response to extrinsic factors or inhibited for survival as in the case of many cancer cells. Cell death cascades are complex and dynamic, underscoring the importance of a multi-parametric approach to assess apoptosis. This underscores the need to conduct robust and reliable cellular assays at high densities and with small sample sizes. As such, technological advancements such as High Throughput Flow and low-volume liquid handling have become critical components of methods assessing apoptosis. Using the IntelliCyt iQue Screener HD and MultiCyt® 4-Plex Apoptosis Screening Kit in conjunction with the Labcyte Echo series of liquid handler, we were able to simultaneously detect 4 different apoptosis endpoints in Jurkat cells in both 384- and 1536-well formats.

    In this study, Jurkat cells were treated for 24 hours with known apoptosis inducing agents: staurosporine, nocodazole and camptothecin. After treatment, cells were labelled for one hour with a no-wash / single step addition of fluorescent markers for caspase 3/7 activation, Annexin V binding, cell viability, and mitochondrial membrane depolarization. Sub-microliter volumes of compounds and dye were transferred to the 384- and 1536-well cell plates with the Echo 555 liquid handler. The results show equivalent potency estimates for the compounds tested in both plate formats and correlate to previously reported activity for the biomarkers measured.

    Publication / Type:
    POSTER
    Related Subject:
    High Throughput Multiplexed Apoptosis Assays Labcyte Echo® Liquid Handler IntelliCyt iQue® Screener HD
  • Miniaturization of an Epigenetic HTRF® Assay with the Labcyte® Echo® Liquid Handler Orren L., Edwards B., Peters C., Tang N., and Lesnick J.

    Institution: Labcyte Inc., Cisbio and BMG Labtech

    Publication: POSTER

    2015 PDF abstract

    Epigenetics is emerging as an important target class for drug discovery and cancer research. As programs scale to evaluate many new targets related to epigenetic expression, new tools and techniques are required to enable efficient and reproducible high-throughput epigenetic screening. Echo liquid handlers can transfer compounds, samples, and reagents in sub-microliter volumes to high density assay formats using only acoustic energy - no contact or tips required. This eliminates tip costs and reduces the risk of reagent carryover. The PHERAstar FS multi-mode plate reader, with the highest sensitivity and lowest read time of assays in high density plate formats, is a perfect complement to enable an unparalleled solution for cost-effective, high-throughput epigenetic screening. Using HTRF EPIgeneous™ assay technology from Cisbio, we developed a miniaturized methyltransferase assay that can be easily adapted to automation and increased throughput, while maintaining high data quality.

    EPIgeneous assays are typically performed at volumes of about 20 μL in 384-well format. However, with the nanoliter dispense increments of the Echo liquid handler, assay volumes can be reduced significantly while maintaining data quality. In this study we were able to develop a methyltransferase assay in a 5 μL final volume with excellent results and demonstrate further miniaturization opportunities for screening and inhibitor characterization.

    Publication / Type:
    POSTER
    Related Subject:
    Miniaturization Epigenetic HTRF® Assay Labcyte® Echo® Liquid Handler
  • Automated Normalization and Pooling of DNA with the Labcyte Echo® Liquid Handler to Enable Next Generation Sequencing Leanisk J. and Peters C.

    Institution: Labcyte Inc.and BMG Labtech

    Publication: POSTER

    2015 PDF abstract

    Next generation sequencers have evolved to sequence hundreds to thousands of samples in a single run by sequencing pools of DNA libraries that have been labeled with unique barcodes. The ability to efficiently pool and normalize such DNA libraries is now a critical requirement of any NGS library production process. In efforts to improve library product processes, many have learned that efficient utilization of sequencing capacity is realized only if the production and management processes associated with upstream library construction, normalization and pooling are also scalable and cost effective. 

    In this study, we used the Echo liquid handler to normalize and pool the DNA fragments, quantified the DNA concentrations with the BMG LABTECH PHERAstar FS multimode high throughput reader, and validated the pooled fragments with the Agilent 2200 TapeStation The ability of the Echo liquid handler to normalize and pool the DNA in a single step, coupled with the power and flexibility of the Labcyte Echo® applications software, provides a scalable, robust, high throughput solution for an important upstream step in the NGS library production process.

    Publication / Type:
    POSTER
    Related Subject:
    Automated Normalization Pooling DNA Labcyte Echo® Liquid Handler Next Generation Sequencing
  • Miniaturization of DNA Assembly for Synthetic Biology Labcyte Inc.

    Institution: Labcyte Inc.and BMG Labtech

    Publication: APPLICATION NOTE

    2015 PDF abstract

    Traditional DNA assembly methods require reactions of 10-20 microliters per well. The Echo® liquid handler can reduce that volume 10-fold, drastically cutting costs. With the ability to reliably transfer volumes as low as 2.5 nanoliters, Echo systems can extend the useful life of a primer library and eliminate the need to dilute high concentration primers, saving on storage and primer costs, and preventing dilution errors. In addition to miniaturization, the Echo system can rapidly pool oligos or DNA fragments from library plates. Since there is no contact with fluid and no time spent changing or washing tips, the Echo system can transfer each oligo or fragment from any well of a microplate in less than a second. This can save 10-15 hours of time in a high throughput setting. Finally, assay performance is essential. The accuracy and precision of Echo liquid handlers eliminate noise from assay data. This enables better detection of small changes in microbes and other organisms.

    Publication / Type:
    APPLICATION NOTE
    Related Subject:
    Miniaturization DNA Assembly Synthetic Biology
  • Miniaturizing qPCR Reaction Set-Up Lee H, Shieh J

    Institution: Labcyte Inc.

    Publication: POSTER

    2015 PDF abstract

    Quantitative PCR (qPCR) analysis is a powerful tool for gene expression analysis. Miniaturizing qPCR setup in low-volume, 384-well plates saves reagent costs. Using tipless, touchless acoustic droplet ejection (ADE) technology for low-volume liquid handling eliminates costs of disposable tips and washes. We demonstrate that ADE technology and magnetic feedback control (MFC) reagent dispensing can be combined to miniaturize PCR reactions, yielding reproducible results in low-volume reactions.

    Publication / Type:
    POSTER
    Related Subject:
    SNP, miniaturization, cost reduction, qPCR, quantitative PCR, real-time PCR, rt-PCR
  • The Echo® 550 Delivering Results in Screening Zewinski J

    Institution: Bristol-Myers Squibb

    Publication: PRESENTATION

    2015 PDF abstract

    Overview of Automated Screening Platforms Quality Control Plates Used in Screening An Example of Screening with Echo 550 Current Status of Echo 550 at BMS

    Publication / Type:
    PRESENTATION
    Related Subject:
    IC50, dose-response, DMSO, miniaturization, Automation, Integration, Echo® 550
  • High Throughput Calcium Screening in Human Neutrophils; A Possibility in 1536 Well Format Using FLIPRTETRA Allenby G

    Institution: AstraZeneca

    Publication: PRESENTATION

    2015 PDF abstract

    High Throughput Calcium Screening in Human Neutrophils; A Possibility in 1536 Well Format Using FLIPRTETRA

    Publication / Type:
    PRESENTATION
    Related Subject:
    calcium, FLIPR, ion channel, HEK 293, CHO
  • Miniaturization of Multiple Displacement Amplification (MDA) of Genomes from a Single Cell Labcyte Inc.

    Institution: Labcyte Inc.and BMG Labtech

    Publication: APPLICATION NOTE

    2014 PDF abstract

    Advances in whole-genome amplification have enabled sequencing of DNA and RNA from a single cell, or what is commonly called Single-cell Genomics (SCG). SCG has become an invaluable approach to understanding the magnitude of genetic and epigenetic variation that occurs throughout the life of an organism. Despite the growing interest in SCG, a standardized method for sample preparation currently does not exist. However in a recent Nature Protocols article, "Obtaining genomes from uncultivated environmental microorganisms using FACS-based singlecell genomics,"1 researchers at the Department of Energy Joint Genome Institute describe an approach that can meet the throughput and sample quality required for robust whole genome
    amplification from a single cell. This application highlight, describes the role of the Echo® liquid handler in this new approach.

    Publication / Type:
    APPLICATION NOTE
    Related Subject:
    Miniaturization Multiple Displacement Amplification (MDA) Genomes Single Cell
  • Miniaturization of an Epigenetic AlphaLISA® Assay with the Labcyte® Echo® Liquid Handler and the BMG LABTECH PHERAstar® FS Edwards B., Wang J., and Peters C

    Institution: Labcyte Inc. and BMG LABTECH GmbH

    Publication: APPLICATION NOTE

    2014 PDF abstract

    Epigenetics continues to emerge as an important target class for drug discovery and cancer research. As programs scale to evaluate many new targets related to epigenetic expression, new tools and techniques are required to enable efficient and reproducible high-throughput epigenetic screening. The combination of robust and precise instrumentation from Labcyte and BMG LABTECH enable the miniaturization and automation of PerkinElmer® AlphaLISA epigenetic assay kits without compromising performance and data quality.

    Publication / Type:
    APPLICATION NOTE
    Related Subject:
    Miniaturization Epigenetic AlphaLISA® Assay Labcyte® Echo® Liquid Handler BMG LABTECH PHERAstar® FS
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