1406603809282 bdd712c348acb651219794d947b7dc60

System Biosciences

Mountain View, California, US

System Biosciences offers a wide-range of custom services to support your research, allowing you to spend less time making tools, and more time making discoveries.

Take advantage of our expertise with the following technologies:
• Lentiviral vector cloning and high-titer packaging
• Exosome isolation and NGS sequencing
• CRISPR/Cas9 engineered custom cell lines
• Stable cell line generation (overexpression, knockdown, and inducible systems)
• Custom minicircle
• MicroRNA qPCR profiling for the whole genome or panel of your choice

All services completed on-site in SBI’s state-of-the art facilities in Palo Alto, California by Ph.D-level scientists with years of experience in providing quality services to researchers.
Choose SBI for your custom service needs – Harnessing innovation to drive discoveries since 2003

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Exosome Isolation and Characterization
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Biomarker Analysis
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Molecular Cloning
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Custom Gene Synthesis and Subcloning (Syn2CloneTM)

Tired of jumping through the cloning hoops to get your construct? Save yourself time and effort and have SBI's team of experts build the custom constructs that you need through our Syn2Clone service. This is a fully turnkey service where you provide the sequence of the... Show more »

Custom Gene Synthesis and Subcloning (Syn2CloneTM)

Tired of jumping through the cloning hoops to get your construct? Save yourself time and effort and have SBI's team of experts build the custom constructs that you need through our Syn2Clone service. This is a fully turnkey service where you provide the sequence of the clone and we take care of the rest. You get a fully QC’d insert cloned into SBI’s industry-leading collection of vectors delivered in a little as 2 weeks and at a price that is not much more than an empty vector.

SBI offers a wide-range of options for single or multiple shRNAs, cDNAs & microRNAs, as well as Transcription Reporter construct cloning. Choose from a variety of promoters, reporter genes and delivery systems including Lentivector, Minicircle, and PiggyBac vectors.

Service Details
• Turnaround time for Syn2Clone projects is 2-6 weeks depending on insert size/complexity
• All constructs are sequence-verified with annotated plasmid maps
• Choose from SBI's premium Lentivector, Minicircle, or PiggyBac vectors
• Vector customization options to give you exactly what you need

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Lentivirus production
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SBI is the Industry Leader in Lentivirus Manufacturing
SBI offers Express Lentiviral Packaging service to produce high-quality, high-titer virus particles using your lentivector construct in as little at 10 days. Save yourself the time and effort of preparing your own virus, and receive ready-to-transduce lentiviral particles... Show more »

SBI is the Industry Leader in Lentivirus Manufacturing
SBI offers Express Lentiviral Packaging service to produce high-quality, high-titer virus particles using your lentivector construct in as little at 10 days. Save yourself the time and effort of preparing your own virus, and receive ready-to-transduce lentiviral particles from SBI - the Lentiviral Experts.* (see sample infectivity data).
All custom virus production services should come with information on the plasmids which have to be packaged.

Quantitation of Lentivirus Titer
Lentivirus titers can be measured in multiple ways. Viral suface protein measurements by ELISAs overestimate titer levels because it detects both active and dead virus particles. SBI measures virus titer by transducing target cells at several multiplicity of infections (MOIs) with subsequent qPCR analysis to determine the exact number of lentiviral integrations per target cell genome. This calculated titer is the most accurate method of measuring active virus particles and is reported as Infectious Units (IFU) per mL.

Our Quality Virus Packaging Service Guarantees

  • Production of virus in a state-of-the art BSL-2 facility with robust quality control in accordance with NIH Biosafety Level 2 criteria
  • Small scale pilot production runs available to test infectivity in cell lines of your choice
  • Highly consistent and reliable using SBI's vectors and cloning services
  • Virus titers at or above the desired titer levels, using SBI's vector
  • One additional virus packaging run inlcuded if desired titer is not achieved
  • Flexibility of virus production scales to meet your research needs
  • Accurate Virus titers as determined by qPCR to measure infectious units per ml ( ifus/ml)
  • Expert technical assistance provided by SBI's experienced scientific staff response within 24 hours
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RNA Sequencing
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Exosome RNA sequencing

Discover novel patient biomarkers present in exosomes
Exosomes are 60 - 150 nm membrane vesicles secreted by most cell types in vivo and in vitro. They are found in blood, urine, amniotic fluid, malignant ascite fluids and contain distinct subsets of microRNAs, mRNAs, lncRNAs and other ncRNAs. The... Show more »

Exosome RNA sequencing

Discover novel patient biomarkers present in exosomes
Exosomes are 60 - 150 nm membrane vesicles secreted by most cell types in vivo and in vitro. They are found in blood, urine, amniotic fluid, malignant ascite fluids and contain distinct subsets of microRNAs, mRNAs, lncRNAs and other ncRNAs. The identity and abundance of these RNAs has been shown to be a valuable approach to discover sequence signatures for the diagnosis and prognosis of disease. SBI announces our next-generation exosome RNA sequencing service to accelerate your biomarker discoveries. SBI's Exo-NGS service provides a complete start-to-finish solution from any biofluid to analyzed and aligned RNA-Seq data. We isolate the exosomes, purify the exoRNA and build the Illumina NGS libraries. These libraries are then sequenced using a 2x 75bp paired end Illumina NGS runs to provide greater confidence of RNA sequence identity.

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CRISPR/Cas9 vector generation
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Genome Editing using guide RNAs
The recent discovery of the CRISPR/Cas9 complex has provided researchers an invaluable tool to target and modify any genomic sequence with high levels of efficacy and specificity. The system, consisting of an RNA-guided nuclease (Cas9) and guide RNA (gRNA) complementary to a target sequence, allows... Show more »

Genome Editing using guide RNAs
The recent discovery of the CRISPR/Cas9 complex has provided researchers an invaluable tool to target and modify any genomic sequence with high levels of efficacy and specificity. The system, consisting of an RNA-guided nuclease (Cas9) and guide RNA (gRNA) complementary to a target sequence, allows for sequence-specific cleavage of target loci across the genome. SBI provides custom gRNA design and cloning into any SmartNuclease vector with a 2 week turnaround time. Contact us today to get started.

Custom HR Vectors
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Fully leverage the powerful nature of CRISPR/Cas9 and TALEN genome engineering platforms by using matching HR vectors. The majority of genome editing events affect only a percentage of the total population of transfected cells, estimated at 1-80% for mono- or bi-allelic modifications depending on the platform, the cell type, and the DNA target of interest. Due to the wide variation in activity, performing downstream phenotypic assays in a background of wild-type cells is challenging, especially if the phenotype in question is subtle or difficult to discern. Therefore, tools in the form of donor or targeting vectors that contain 1) fluorescent or antibiotic selection markers and 2) a gene fragment of interest to knock-in, knock-out, or correct a wild-type sequence will be extremely useful for obtaining a homogeneous population of cells whose genomes have been successfully targeted. SBI has generated a suite of homologous recombination targeting vectors suitable for the purpose of engineering both protein coding and non-coding genes including microRNAs and LncRNAs genomic loci.

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Stable Cell Line Generation
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Nano-LC-MS - Short Gradient
Nano Liquid Chromatography Coupled Mass Spectrometry - Short Gradient
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SBI routinely generates high quality exosome peptide libraries for Mass spec analysis. The Mass Spec service works with exosomes isolated using ultracentrifugation as well as using ExoQuick (serum, plasma, ascites samples) or ExoQuick-TC (cell media, urine, spinal fluid) or immunopurified for specific exosome subpopulations using... Show more »

SBI routinely generates high quality exosome peptide libraries for Mass spec analysis. The Mass Spec service works with exosomes isolated using ultracentrifugation as well as using ExoQuick (serum, plasma, ascites samples) or ExoQuick-TC (cell media, urine, spinal fluid) or immunopurified for specific exosome subpopulations using SBI's Exo-Flow IP kits. The MS service offers the choice of creating either exosome surface protein "shaving" peptide libraries for surface marker discovery or complete exosome peptide library preparations. The peptide libraries are then analyzed by nano LC/MS/MS with a Waters NanoAcquity HPLC system interfaced to a ThermoFisher Q Exactive. Peptides were loaded on a trapping column and eluted over a 75um analytical column at 350nL/min using a 2hr reverse phase gradient; both columns were packed with Jupiter Proteo resin (Phenomenex). The injection volume was 30uL. The mass spectrometer was operated in datadependent mode, with the Orbitrap operating at 60,000 FWHM and 17,500 FWHM for MS and MS/MS respectively. The fifteen most abundant ions were selected for MS/MS and data analyzed using MASCOT databases and Scaffold software.

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Nanoscale Analysis and Characterization
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SBI performs custom particle characterization services using the NanoSight technology to visualize, measure and characterize virtually all exosomes and microvesicles. Exosome particle size and concentration can all be analyzed simultaneously. Obtain accurate exosome concentration and size measurements all in one report.

Have... Show more »

SBI performs custom particle characterization services using the NanoSight technology to visualize, measure and characterize virtually all exosomes and microvesicles. Exosome particle size and concentration can all be analyzed simultaneously. Obtain accurate exosome concentration and size measurements all in one report.

Have SBI isolate and characterize exosomes from your biofluid samples (serum, urine, media, CSF, etc.). You can also send SBI exosomes you have already isolated and we can perform the nanoparticle tracking analysis. Each sample will be gently vortexed at 2.5k for 10 sec and then bath sonicated for 10 min at 33°C to ensure adequate exosome dispersion in the solution. NanoSight measurements are carried out in 0.02 um filtered PBS to remove any background and then visualized on an LM10 NanoSight instrument.

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Mass Spectrometry
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Spectroscopy
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Virus production
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Biology
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Viral Production and Assays
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Cells and Tissues
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Imaging & Spectroscopy
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Microbiology, Virology, and Parasitology
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Mammalian Cell Culture
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Chemistry and Materials
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Material Characterization Services
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DNA
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RNA
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Pharmacology & Toxicology
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Analytical Chemistry Services
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Bioanalysis
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Bioanalytical Assays
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Biomarkers
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Plasmids and Vectors
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Biochemistry & Molecular Biology
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Nano Mass Spectrometry Methods
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Nucleic Acid Services
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2018-01-17 14:02:41 +1300

Net Promoter Score of 10 received for Nanoscale Analysis and Characterization.

Additional Ratings: satisfaction with deliverable: 10, satisfaction with timeliness: 10.
2018-01-06 06:42:17 +1300

Net Promoter Score of 9 received for RNA Sequencing.

Additional Ratings: satisfaction with deliverable: 9, satisfaction with timeliness: 9.
2017-12-12 12:43:59 +1300

Net Promoter Score of 10 received for Lentivirus production.

Additional Ratings: satisfaction with deliverable: 10, satisfaction with timeliness: 10.
2017-06-28 10:14:47 +1200

Net Promoter Score of 7 received for Stable Cell Line Generation.

Additional Ratings: satisfaction with deliverable: 7, satisfaction with timeliness: 2.
2017-06-20 04:49:53 +1200

Net Promoter Score of 7 received for Stable Cell Line Generation.

Additional Ratings: satisfaction with deliverable: 9, satisfaction with timeliness: 8.

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