S2K Commerce - Products Dropdown
S2K Commerce - Shopping Cart
S2K Commerce - Order Entry
PR1MA™ RNA Controls
Looking for safe assay controls for highly infectious viruses or foreign animal diseases?
MIDSCI™ offers a selection of PR1MA™ RNAs – nuclease-resistant, single-stranded RNAs, suitable as process controls for RNA extraction from various sample matrices. These specially engineered, non-infectious, MS2 phage-like particles protect their contents from degradation by nucleases and can package sequences of up to 1.5 kb from viruses such as SARS-CoV-2, foot-and-mouth disease virus, and human immunodeficiency virus.
Amount: Between 1E6 or 1E10 copies (cp)
Concentration: Between 1E7 or 1E10 cp / mL, respectively
Volume: 0.1 and 1 mL respectively
Lysis: 65° C for 5 minutes in the RT step or by standard RNA extraction
Storage temperature: 4°C
Buffer composition
- 10 mM Tris HCl
- 100 mM NaCl
- 1 mM MgCl2
- 0.1% gelatin
- pH = 7.0
*These products are intended for research use only, not for therapeutic or diagnostic purposes in humans or animals. The safety and efficacy of these products in diagnostic or other clinical uses has not been established.
Proudly made in the USA! Click here for more made in America products!
PR1MA™ Taq DNA Polymerase 1X Master Mix
PR1MA™ DNA polymerase 1X Master Mix saves time and cost by enabling direct PCR amplification of unpurified templates. It contains a recombinant, truncated (lacks 5’ to 3’ exonuclease activity), highly thermostable DNA polymerase from the thermophilic bacterium Thermus aquaticus. The enzyme is thermostable up to 98°C for polymerase chain reaction assays and is provided as a complete reaction master mix consisting of reaction buffer, dNTPs, MgCl2, and loading dye and only requires the addition of primers and DNA template. Once PCR is complete, the reaction products can be loaded directly into an agarose gel for analysis.
- Lacks exonuclease activity
- Thermotolerant up to 98°C
- Inhibitor Resistant
- Ideal for colony PCR, genotyping, and GC-rich templates
- Storage temperature: -20°C
Important note: Please be sure to use the buffer provided with this product to ensure optimal results.
*These products are intended for research use only, not for therapeutic or diagnostic purposes in humans or animals. The safety and efficacy of these products in diagnostic or other clinical uses has not been established.
Proudly made in the USA! Click here for more made in America products!
PR1MA™ T4 Gene 32 Protein
PR1MA™ T4 Gene 32 Protein (T4 gp32) is a single-stranded DNA binding (ssDNA) protein required for E. coli bacteriophage T4 replication. It binds and stabilizes ssDNA structures which facilitates electron microscopic examination, and has also been shown to improve restriction digests, improve T4 DNA polymerase activity, and increase the yield of PCR reactions, including those with long amplicons.
- Optimal temperature: 37°C
- Heat inactivation: 65°C for 20 minutes
- Storage temperature: -20°C
- 10X T4 gp32 reaction buffer included
Buffer composition
- 50% glycerol
- 50 mM Tris-HCl
- 50 mM KCl
- 1 mM DTT
- 0.1 mM EDTA
- 0.1% Tween-20
- pH = 7.5
*These products are intended for research use only, not for therapeutic or diagnostic purposes in humans or animals. The safety and efficacy of these products in diagnostic or other clinical uses has not been established.
Proudly made in the USA! Click here for more made in America products!
Accuris Fast Extraction PCR Kit
The Accuris Fast Extraction PCR Kit features an exclusive single-tube solution that extracts genomic DNA in just 8 minutes. This is swiftly followed by PCR amplification utilizing our High Fidelity Hot Start Red Dye Master Mix, designed for superior endpoint PCR performance. High Fidelity Hot Start Red Dye Master Mix is a 2X formula that incorporates a non-reactive red dye, enabling direct gel loading.
This kit offers versatility to suit different workflows: the PCR-prepared genomic DNA can be directly used in endpoint PCR or can be applied in real-time PCR using either SYBR Green or TaqMan Probe chemistries.
- Offers exceptional versatility and can be used to extract and amplify DNA from a wide range of sample types
- Compatible with animal tissue, plant, saliva, & bacterial samples
- Extraction & Amplification in less than 60 minutes
- Includes High Fidelity Hot Start Red Dye Master Mix to prevent the risk of nonspecific amplification & to visualize bands easily
- Process extracted sample via PCR with included mastermix
- Alternatively, amplify via qPCR (qPCR mastermix not included)
Each 100 reaction kit includes:
1 tube of High Fidelity Hot Start Red Dye Master Mix (1.25 mL)
1 tube of Fast Extraction Lysis Solution (1.25 mL)
Applications: Extraction & Amplification of Tissue, Plant, Saliva, & Bacteria
Proudly made in the USA! Click here for more made in America products!
Accuris qMAX SYBR Green Bulk Packaging
Supplied as a ready-to-use 2X master mix, qMax Green has been engineered for high sensitivity, fast cycling and excellent reproducibility.
- Superior sensitivity and fast cycling with exceptional results.
- Ideal for low copy number templates.
- Early Ct values and detection across a broad dynamic range.
- Ready to use 2x mastermix.
- Includes Accuris Hot Start Taq Polymerase for greater specificity and accuracy.
Please Note:
Low Rox and High Rox formulations are available for compatibility with all brands of qPCR cyclers. Please specify when ordering.
Proudly made in the USA! Click here for more made in America products!
This brand is being discontinued and will only be available while supplies last.
Need a great DNA Safe Stain at a great price?
Try PR1MA! Click here to order.
Bullseye DNA SafeStain,10,000x
- Safest DNA stain by far
- Replaces EthBr in agarose gel electrophoresis
- Detection of DNA and RNA
- Excitation at 290 nm & 490 nm
- Emission at 530 nm
DNA SafeStain is a new and safe nucleic acid stain for visualization of double-stranded DNA, single-stranded DNA, and RNA in agarose gels. The dyes are developed to replace toxic ethidium bromide (EthBr, a potent mutagen), commonly used in gel electrophoresis for visualization of nucleic acids in agarose gels. DNA SafeStain is non-carcinogenic by the Ames-test. The results are negative in both the mouse marrow chromophilous erthrocyte micronucleus and mouse spermary spermatocyte chromosomal aberration tests.
DNA SafeStain emits green fluorescence when bound to DNA. It has two excitation wavelength peaks when bound to nucleic acid, at 290nm and 490nm and the emission can be detected at 530nm.
Storage:
Store under dark at 4°C or room temperature.
User Instruction:
DNA SafeStain can be used in the exact same way as EtBr in agarose gel electrophoresis. For example, add 100µl to 1 liter of 1X running buffer (1xTAE or 1x TBE), and use this DNA SafeStain containing buffer to make the agarose gel and run the gel.
Special Notes:
1. For best results, dilute the DNA SafeStain 1:10,000 in your gel running buffer and use this dye-containing running buffer to make your agarose gel and to run the gel.
2. As is the case with EtBr; add more DNA SafeStain, if brighter DNA bands are desired. To view the results, any conventional DNA gel viewing light box or gel documentation system should work well with the DNA SafeStain; although, using a LED light instead of a UV light source is preferred due to the harmful nature of UV light.
This Product is For Research Use Only
*For the proper disposal of this product, follow University or Company Guidelines.
Need a great Reverse Transcriptase product at a great price? Try PR1MA!
Bullseye RT 2X Master Mix
- Up to 9kb cDNA synthesis
- Ensures sample to sample consistency
- Large RNA sample volume capacity
- Ready to use
Size: 100 rxns
RT 2X Master Mix is a proprietary, ready-to-use master mix for first-strand cDNA synthesis in a 2X concentration. This optimized reaction mix contains ribonuclease inhibitor, dNTPs, and a balanced concentration for oligo(dT) and random primers. The ribonuclease inhibitor effectively protects RNA template from degradation. The oligo(dT) anneals selectively to the poly(A) tail of mRNAs and the random primers do not require the presence of poly(A) and they are utilized for the transcription of mRNA 5-end regions. The resultant cDNA can be directly used as template in different PCR experiments.
Kit Components
| EasyScript R Tase (200U / uL) | 100 L |
| 2X Reaction Mix | 1200 uL |
| Nuclease-Free H2O | 2 x 1 mL |
Storage
- Store at -20°C in a frost-free freezer.
| Item # | Description | Quantity | Rxn |
| BERTCDNA-25 | RT 2X Master Mix | 250 uL | 25 rxns |
| BERTCDNA-100 | RT 2X Master Mix | 1 mL | 100 rxns |
Application
- cDNA synthesis
- Construction of cDNA libraries
- Generation of probes for hybridization
Protocol
- Thaw RNA templates and all reagents on ice. Mix each solution by vortexing.
- Assemble the following components in a tube on ice, and mix well:
| Components | Volume | Final Conc. |
| Total RNA, or | Variable | 1 ng - 2 ug/rxn |
| mRNA | Variable | 1 pg - 2 ng/rxn |
| 2X Reaction Mix | 10 uL | 1X |
| H2O | Up to 19 uL | - |
- Heat the mixture at 65°C for 5 mins and incubate on ice for at least 1 min.
- Collect all components by a brief centrifugation and add 1 µl of the EasyScript RTase to the tube.
- Mix well and collect all the components by a brief centrifugation.
- Incubate the tube at room temperature for 10 min for annealing.
- Perform cDNA synthesis by incubating the tube for 50 min at 42°C.
- Stop the reaction by heating it at 85°C for 5 min.
- Chill on ice. The newly synthesized first-strand cDNA is ready for immediate downstream applications.
These items have been discontinued and will only be available while supplies last.
Need a great Reverse Transcriptase product at a great price? Try PR1MA!
Bullseye EasyScript™ Reverse Transcriptase
Application
- Synthesis cDNA froma single-stranded RNA or DNA primer extension
- Sequencing dsDNA
- cDNA library
- Template production for use in PCR
- 3'-end labeling of duplex DNA via end-filling reactions
EasyScript™ Reverse Transcriptase is a genetically modified form of Moloney Murine Leukemia Virus Reverse Transcriptase (M-MLV). Both the EasyScript™ and EasyScript™ Plus are RNase H deficient (negative). The enzyme is purified from bacteria h o s t as a single holoenzyme of 71 kDa with the capacity of first-strand cDNA synthesis of template up to 9kb and can be used for routine cDNA synthesis.
Kit Components
| Components | EasyScript Reverse Transcriptase | |
| Item # | G231 | G232 |
| EasyScript RTase (200 U / uL) | 5,000 U | 20,000 U |
| 5x RT buffer | 150 uL | 600 uL |
| Size | 25 rxns | 100 rxns |
Storage Buffer
50 mM Tris-HCl (pH 8.3), 100 mM NaCl, 0.1 mM EDTA, 5 mM DTT, 0.1% (v/v) Triton X-100, and 50% (v/v) glycerol.
Storage
Store at -20°C in a frost-free freezer. Multiple freezing and thawing of RNA should be avoided. Keep RNA on ice all the time. It is recommended that the first strand cDNA synthesis is carried out under conditions where RNase contamination has been eliminated.
General Protocol
RT-PCR reactions should be assembled in a RNA-free environment. The use of "clean", automatic pipettes designated for PCR and aerosol resistant barrier tips are recommended.
1. Thaw template RNA and all reagents on ice. Mix each solution by vortexing, and centrifuge briefly to collect residual liquid from the sides of the tubes.
2. Prepare the following reaction mixture in a PCR tube on ice:
| Volume | Concentration (final 20 uL) | |
| Total RNA, or poly(A)+RNA | Variable | 0.5-5µg per reaction 50ng-0.5 uG per reaction |
| Oligo(dT) (10 uM) | 1 uL | 0.5 uM |
| or Random Primer (10 uM) | 1 uL | 0.5 uM |
| or Sequence-specific Primer | Variable | 10-15 pM |
| dNTP (10mM) | 1 uL | 500 uM |
| 5X RT Buffer | 4 uL | 1X |
| RNasin (40 U/ uL) | 0.5 uL | 20 U per reaction |
| EasyScript™ RTase (200 U/ uL) | 1 uL | 200 U per reaction |
| RNase-free H2O | Variable | - |
| Final volume | 20 uL | - |
3. Incubate at 25°C for 10 minutes if random primer is used. Omit this step if Oligo(dT) primer or sequence specific primer are used.
4. Incubate the mixture at 42°C for 60 minutes.
5. Stop the reaction by heating at 85°C for 5 minutes.
6. Chill on ice. The newly synthesized first-strand cDNA now can be used directly for PCR amplification.
Notes:
1. Isolation of poly(A)+ RNA from total RNA is not mandatory; however, doing so may improve the yield and purity of the final product.
2. RNA sample must be free of contaminating genomic DNA.
3. Unlike the oligo(dT) priming, which usually requires no optimization, the ratio of a randomprimer to RNA is critical in terms of the average length of cDNA synthesized in the reaction. Increasing the ratio of random primer/RNA will result in higher yield of shorter (~500 bp) cDNA, whereas decreasing this ratio will produce longer products.
4. The synthesized cDNA should be stored at -20°C.
This brand is being discontinued and will only be available while supplies last.
Need great dNTPs at a great price?
Try our PR1MA™ dNTPs!
Bullseye Individual dNTP's
- Ready-to-use molecular grade dNTP solution for use in DNA polymerization, DNA labeling and sequencing processes
- High purity: >98% by HPLC
- Supplied in solution at pH 7.5
- dNTPs are stable at -20°C, avoid multiple freeze/thawing (For long-term usage, aliquoting is recommended)
- Functionally tested with thermostable polymerases
This brand is being discontinued and will only be available while supplies last.
Need great dNTPs at a great price?
Try our PR1MA™ dNTPs
Bullseye dNTP Set
- Mix of dATP, dCTP, dGTP, dTTP
- Each nucleotide is at a concentration of 100 mM
- Ready-to-use molecular grade dNTP solution for use in DNA polymerization, DNA labelling and sequencing processes
- High purity: > 98% by HPLC
- Supplied in solution at pH 7.5
- dNTPs are stable at - 20°C, avoid multiple freeze/thawing (For long-term usage, aliquoting is recommended)
- Functionally tested with thermostable polymerases
dNTP SET
(dATP, dCTP, dGTP, dTTP)
100 mM
| Item # | Size |
| BE511109 | 20 x 4 x 250 uL |
| BE511120 | 4 x 2 mL |
Components Volume dATP (100mM) 250 µL dCTP (100mM) 250 µL dGTP (100mM) 250 µL dTTP (100mM) 250 µL General Description Ready-to-use molecular grade dNTP solution for use in DNA polymerization, DNA labelling and sequencing processes. Features High purity: >98% by HPLC. Supplied in solution at pH 7.5. Storage Conditions dNTPs are stable at 20oC in a constant temperature freezer. Avoid multiple freeze/thawing. For long-term usage, aliquoting is recommended. Quality control Functionally tested with thermostable polymerases. |
This brand is being discontinued and will only be available while supplies last.
- Higher sensitivity
- Use in the same way as EtBr in agarose gel electrophoresis
- Detection of DNA and RNA
- Safest DNA stain by far
- Low cost
- 10,000X
- Excitation wavelengths at 290nm and 490nm
DNA SafeStain Plus is a highly sensitive green fluorescent DNA/RNA staining reagent for detecting nucleic acids in agarose and polyacrylamide gels. This unique stain gives high sensitivity for detection of double-stranded or single-stranded DNA and RNA. Gels can be post-stained or the stain can be added to gels during gel casting or to the gel running buffer. DNA SafeStain Plus has two excitation wavelength peaks at about 290nm and 490nm, and an emission wavelength at 530nm, making it compatible with a standard UV light box, a blue-light transilluminator, or a gel reader equipped with visible light excitation; such as, a 488 nm laser-based gel scanner.
DNA SafeStain Plus is in a 10,000X concentrated format that can be easily diluted 10,000 times for use in precast gel staining, or 5,000 times for use in post gel staining.
This brand is being discontinued and will only be available while supplies last.
Need great (q)PCR Regents at a great price?
Try our PR1MA™ Taq and save!
Bullseye Taq Plus Master Mix
- Pre-optimized ready-to-use PCR reagents
- Less pipetting to avoid contamination
- Quick and easy to set up
- Direct loading for electrophoresis
- Reproducible results
Users only need to add templates and primers, and water if needed. Extra 25 mM magnesium solution is also provided for additional fine adjustments. The Red Mixes contain a non-hazardous inert red dye. The purple mixes contain a non-hazardous inert purple dye. Completed PCR reactions utilizing the D124-R (red dye) or D124-P (purple dye) can be directly loaded into a well of agarose gel or other gels, for electrophoresis. No extra loading buffer is needed.
Storage: 4°C for up to one month, or -20°C for long term storage.
Magnesium Chloride: In general, 1.5 mM MgCl2 is recommended; this may vary with different conditions and primer sets. Some primers/templates may require adjustments for MgCl2 concentration, which can be achieved as shown below:
| Final MgCl2 concentration | 1.5 mM | 2.0 mM | 2.5 mM |
| Additional 25 mM MgCl2 per 50 uL reaction | 0.0 uL | 1.0 uL | 2.0 uL |
Directions for use: For a 50 uL reaction, use 25 uL of the Taq Master Mix, add template, primers, and water to a final volume of 50 uL. Cycling conditions vary for different templates and primers. To start with, try 30 cycles as follows: denature at 94°C for 30 seconds, anneal around 55°C for 30 seconds, and extend at 72°C for 1 minute / kb. After the PCR cycles, extend at 72°C for another five minutes to complete the PCR. Then store the reaction at 4°C.
1x Composition: 10 mM KCl, 20 mM Tris HCl (pH 9.0), 16 mM (NH4)2SO4, 0.1% Triton X-100, 1.5 mM MgCl2, 200 mM dNTPs, 2.5 units / 25 uL of Taq DNA polymerase, (optional: trace amount of red or purple dye) and enzyme stabilizers.