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Zinc Oxide, CP, 500g
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Chemiz
Description
Formula: ZnO
Zinc oxide has a variety of uses including rubber and ceramic glaze manufacture, UV absorber, paint corrosion inhibitor and as nutrient supplement.
Note:
AR: Analitycal Reagent Grade: Reagents for analytical purpose or research work that need high purity.
CP: Chemically Pure Grade: Reagents for regular practical in its original purity.
Dichloromethane, HPLC Plus (Sigma-Aldrich)
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Sigma-Aldrich
Description
CAS number: 75-09-2
Chemical Formula: CH2Cl2
Molar Mass: 84.93 g/mol
Synonyms: Methylene chloride, methylene chloride
Application
Suitable for HPLC, GC, spectrophotometry, environmental testing and residue analysis.
Gram Crystal Violet BTLx5/250ml
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Thermo Scientific™ Remel™
Thermo Scientific™ Remel Gram Crystal Violet is a primary stain in Gram stain procedures.
- For qualitative procedures to differentiate gram-positive from gram-negative microorganisms
- Selected Gram stains are CE marked
Trypsin-digested BSA MS Standard (CAM-modified) – 500 pmol
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New England Biolabs
This standard is a complex mixture of peptides produced by the tryptic digest of reduced and alkylated Bovine Serum Albumin (BSA).
- Used to standardize MALDI-TOF or ESI mass spectrometers (TOF, Q-TOF, Ion Trap, or Orbitrap)
- Standardization range of 500-2400 Da
- Free of salts, glycerol and detergents
- Supplied lyophilized
- Optimal stability for up to 24 months
M17 Broth 500g
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Thermo ScientificTM OxoidTM
Cultivate lactic streptococci and their bacteriophages with Thermo Scientific™ Oxoid™ M17 Broth (Dehydrated). The use of M17 Broth in conjunction with M17 Agar is recommended by Terzaghi and Sandine for bacteriophage assays.
M17 Broth, Oxoid Composition
| Typical Formula* | gm/litre |
| Tryptone | 5.0 |
| Soya peptone | 5.0 |
| `Lab-Lemco’ powder | 5.0 |
| Yeast extract | 2.5 |
| Ascorbic acid | 0.5 |
| Magnesium sulphate | 0.25 |
| Di-sodium-glycerophosphate | 19.0 |
| pH 6.9 ± 0.2 @ 25°C |
M17 Broth, Oxoid Preparation:
Suspend 37.25g in 950ml of distilled water and bring gently to the boil. Sterilize by autoclaving at 121°C for 15 minutes. Cool to 50°C and aseptically add 50ml of sterile lactose solution (10% w/v).
Lactose solution 10% (w/v):
Dissolve 10g of Lactose Code LP0070 in 100ml of distilled water. Sterilise by autoclaving at 121°C for 15 minutes or by membrane filtration through a 0.2mm membrane.
Storage conditions and Shelf life
Store the dehydrated medium at 10-30°C and use before the expiry date on the label.
Store the prepared medium at 2-8°C.
Hydrochloric acid 2% w/v solution, 1L
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Chemiz
Description
Synonyms: Hydrogen Chloride
Formula: HCl
Hydrochloric acid 2% w/v solution is a clear liquid with highly corrosive property and pungent smell. It is unlikely to subject to oxidation-reduction reaction. This strong monoprotic acid reacts with basic compound to dissolve the chlorides for analysis.
Monarch DNA Gel Extraction Kit, NEB
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New England Biolabs
Quickly and easily purify DNA from agarose gels with high yields.
- Elute in as little as 6 μl.
- Prevent buffer retention and salt carry-over with optimized column design.
- Save time with fast, user-friendly protocols
- No need to monitor pH or add isopropanol.
- Buffers and columns available separately.
- Significantly less plastic used when compared with other kits.
- Responsibly-sourced and recyclable packaging.
Cn30 Gentamicin
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Thermo ScientificTM OxoidTM
Penicillin 32 M.I.C.E. (10 Pack)
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Thermo ScientificTM OxoidTM
**This product is not available at the moment.
Effortlessly establish accurate Minimum Inhibitory Concentration (MIC) values manually using Thermo Scientific™ Oxoid™ Penicillin G M.I.C.Evaluator Strips (M.I.C.E.™).
Vancomycin Supplement
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Thermo ScientificTM OxoidTM
Thermo Scientific™ Oxoid Vancomycin Supplement is for addition to selective media for the isolation of Vancomycin Resistant Enterococci (VRE) and High Level Aminoglycoside Resistant Enterococci (HLARE) from clinical specimens.
- Each vial supplements 500mL of medium
- Format: Freeze dried
Vancomycin Supplement, Oxoid Composition
| Vial Contents (each vial is sufficient for 500ml of medium) | per vial | per litre |
| Vancomycin | 3.0mg | 6.0mg |
Storage conditions and Shelf life
Vancomycin Supplement SR0186 should be stored in the dark at 2-8°C.
Prepared medium may be stored for up to two weeks at 2-8°C in the dark.
1M-Cp Selective Supplement
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Thermo ScientificTM OxoidTM
Oxoid Membrane Clostridium Perfringens Selective Supplement (m-CP) is a chromogenic medium for rapid and presumptive identification of Clostridium perfringens from water samples.
- Add to Membrane Clostridium Perfringens (m-CP) Agar Base, Part No. CM0992B
- Each vial of SR0188E supplements 500mL of medium
1M-Cp Selective Supplement, Oxoid Composition
| Vial contents (each vial is sufficient for 500ml of medium) | per vial | per litre |
| Polymyxin B sulphate | 12.5mg | 25.0mg |
| D-Cycloserine | 200.0mg | 400.0mg |
1M-Cp Selective Supplement, Oxoid Preparation:
Suspend 35.55g of m-CP Agar Base in 500ml of distilled water Mix well and sterilise by autoclaving at 121°C for 15 minutes. Cool to 50°C and aseptically add the contents of one vial of m-CP Selective Supplement reconstituted as directed. Aseptically add the following sterile solutions dissolved in distilled water:
| Component | Solution Strength | Volume (ml) |
| Phenolphthalein biphosphate tetrasodium salt | 0.5% | 10.0 |
| Ferric chloride hexahydrate | 4.5% | 1.0 |
| Indoxyl b-D-glucoside | 0.75% | 4.0 |
Storage conditions and Shelf life
m-CP Selective Supplement SR0188 should be stored at 2-8°C.
Store the prepared medium at 2-8°C.
duoview Transilluminator (21cm x 21cm)
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Cleaver Scientific
Product discontinued.
Our new duoVIEW transilluminator offers the user the added advantage of being able to view their gels with either standard UV light or using the safer blue light technology. This means only one transilluminatior need to be kept in the lab. They can either be used as a standalone unit or with the microDOC, as part of a fully integrated gel documentation system. With a large surface area, each transilluminator serves as the perfect workstation for viewing and working with fluorescently-stained protein and nucleic acid gels.
OmniPur Water, WFI Quality, Sterile Purified Water, Cell Culture Tested – CAS7732-18-5, 1L
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Merck
** This product has been discontinued.
OmniPur Water is sterile water that is tested to be DNase free, Protease free, RNase free and bacterial free.
It is suitable to be used in:
- Cell Biology
- Cell culture media preparation, extraction buffer, Molecular work, reconstitute of compound
- Diluent for live cells staining
- Sterile solution preparation Microbiology Sample Preparation
- Diluent and rinsing reagent in Microbial Membrane Filtration
Key Specification:
- Sterile by USP Standard
- DNase, RNase, Protease-Free
- < 500 ppb Total Organic Carbon
- < 0.025 EU/ml Bacterial Endotoxin
Minimum Essential Medium Eagle (EMEM) with Alpha Modification, powder form
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Sigma-Aldrich
This is the most enriched variation of the EMEM formulation offered that suitable for cell culuture. It contains all 21 normal amino acids, some at increased concentrations. In addition, it contains 5 additional vitamins. Refer to the table below and choose your preferecd EMEM!
OEM SeaKem® LE Agarose
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Lonza
Product Overview
SeaKem® LE Agarose was the first and is still the world’s most trusted agarose for nucleic acid electrophoresis. Ideal for routine analysis of nucleic acids by gel electrophoresis and blotting, each SeaKem® LE Gel sharply resolves DNA and provides consistent resolution from lot-to-lot. This molecular biology grade agarose has no detectable DNase or RNase activity and forms strong gels with low background upon ethidium bromide, SYBR® Green, or GelStarTM Staining. Due to its low EEO, DNA will have a high electrophoretic mobility. SeaKem® LE Agarose is also recommended for protein gel electrophoresis in applications such as Ouchterlony and radial immunodiffusion (RID). Information about bulk and custom packaging is available through Lonza’s Customer Service Team.
Benefits
Applications
Content & Storage
1 kb DNA Ladder, NEB
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New England Biolabs
This 1 kb DNA ladder is available in Quick-Load Purple format – enjoy the convenience of a ready-to-load format.
1 kb DNA ladder from New England Biolabs (NEB) is suitable for use with molecular weight standard for agarose gel electrophoresis. A number of proprietary plasmids are digested to completion with appropriate restriction enzymes to yield 10 bands, ranging from 0.5 to 10 kilobases. NEB set 3.0 kb fragment as a reference band by increasing the intensity of that band.
- Size range: 500 bp to 10 kb
- Value pricing
- Supplied with a free vial of Gel Loading Dye, Purple (6X), no SDS (NEB #B7025).
- Easy to identify reference bands
- Small size suitable for 200 gel lanes; large size suitable for 1000 gel lanes
Q5 Hot Start High-Fidelity 2X Master Mix
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New England Biolabs
Fidelity at its finest
Q5® High-Fidelity DNA Polymerase sets a new standard for both fidelity and robust performance. With the highest fidelity amplification available (~280 times higher than Taq), Q5 DNA Polymerase results in ultra-low error rates. Q5 DNA Polymerase is composed of a novel polymerase that is fused to the processivity-enhancing Sso7d DNA binding domain, improving speed, fidelity and reliability of performance.
- Highest fidelity amplification (~280X higher than Taq)
- Ultra-low error rates
- Superior performance for a broad range of amplicons (from high AT to high GC)
- Hot start and master mix formats available
FEATURED PRODUCTS
Imipenem 32 M.I.C.E. (10 Pack)
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Thermo ScientificTM OxoidTM
**This product is not available at the moment.
Effortlessly establish accurate Minimum Inhibitory Concentration (MIC) values manually using Thermo Scientific™ Oxoid™ Imipenem M.I.C.Evaluator Strips (M.I.C.E.™).
MacConkey Broth 500g
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Thermo ScientificTM OxoidTM
Identify coliforms from water and milk samples with differential Thermo Scientific™ Oxoid™ MacConkey Broth (Dehydrated). MacConkey Broth is the standard medium for the primary isolation of coliform bacteria, and has been recommended for this purpose by the Public Health Laboratory Service Water Committee and the World Health Organization. MacConkey Broth also conforms to the formulation specified by the UK Dept. of Health for milk grading.
MacConkey Broth, Oxoid Composition
| Typical Formula* | gm/litre |
| Peptone | 20.0 |
| Lactose | 10.0 |
| Bile salts | 5.0 |
| Sodium chloride | 5.0 |
| Neutral red | 0.075 |
| pH 7.4 ± 0.2 |
MacConkey Broth, Oxoid Preparation:
To prepare single strength broth, add 40g to 1 litre of distilled water. Mix well and distribute into containers fitted with fermentation (Durham) tubes. Sterilise by autoclaving at 121°C for 15 minutes.
Storage conditions and Shelf life
Store the dehydrated medium at 10-30°C and use before the expiry date on the label.
Store the prepared medium at 2-8°C.
Precautions
The neutral red indicator is carefully selected for this formulation and therefore shows no inhibitory effect. However, the more sensitive reaction of bromocresol purple in MacConkey Broth Purple (CM0505) is often preferred.
Choice Horizontal Electrophoresis Packages
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Cleaver Scientific
Cleaver Scientific now offers a comprehensive range of Combination Packages to suit any budget or horizontal electrophoresis application.
Hot Start Taq DNA Polymerase
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New England Biolabs
The industry standard with hot start performance
- Ideal for routine PCR applications and molecular diagnostics
- High specificity and sensitivity
- Aptamer-based hot start technology avoids nonspecific amplification and enables room temperature reaction setup
Taq DNA Polymerase with Standard Taq (Mg-free) Buffer
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New England Biolabs
The industry standard
- Ideal for routine PCR applications
- Exceptional value in terms of cost per unit
- Mg-free buffer offers flexibility to adjust magnesium concentrations for use with microarray or DHPLC applications
Sxt25 Sulfamethoxazole/Trimethoprim
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Thermo ScientificTM OxoidTM
Dulbecco’s Modified Eagle’s Medium (DMEM), powder form
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Sigma-Aldrich
Dulbecco′s Modified Eagle′s Medium (DMEM) is a modification of Basal Medium Eagle (BME) that contains four-fold concentrations of the amino acids and vitamins which suitable for cell culture. The original formulation contained 1000 mg/L of glucose and was used to culture embryonic mouse cells. Since then, it has been modified in several ways to support primary cultures of mouse and chicken cells, as well as a variety of normal and transformed cells. Each of these media offers a different combination of L-glutamine and sodium pyruvate. Refer to the table below and choose your prefered DMEM!
Eosin Methylene Blue Agar (Levine) 500g
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Thermo ScientificTM OxoidTM
Detect, enumerate and differentiate the members of coliform group with Thermo Scientific™ Oxoid™ Eosin Methylene Blue Agar (Modified) Levine (Dehydrated). This versatile medium, modified by Levine is used for the differentiation of Escherichia coli and Enterobacteria aerogenes and also for rapid identification of Candida albicans. The medium is prepared to the formula specified by the APHA for the detection and differentiation of the coliform group of organisms.
Eosin Methylene Blue Agar (Modified) Levine, Oxoid Composition
| Typical Formula* | gm/litre |
| Peptone | 10.0 |
| Lactose | 10.0 |
| Dipotassium hydrogen phosphate | 2.0 |
| Eosin Y | 0.4 |
| Methylene blue | 0.065 |
| Agar | 15.0 |
| pH 6.8 ± 0.2 |
Eosin Methylene Blue Agar (Modified) Levine, Oxoid Preparation:
Suspend 37.5g in 1 litre of distilled water. Bring to the boil to dissolve completely. Sterilise by autoclaving at 121°C for 15 minutes. Cool to 60°C and shake the medium in order to oxidise the methylene blue (i.e. restore its blue colour) and to suspend the precipitate which is an essential part of the medium.
Storage conditions and Shelf life
Store the dehydrated medium at 10-30°C and use before the expiry date on the label.
Store the prepared plates at 2-8°C away from light.
Precautions
Further tests are required to confirm the presumptive identity of organisms isolated on this medium. Some strains of Salmonella and Shigella species will not grow in the presence of eosin and methylene blue. Store the medium away from light to prevent photo-oxidation.
DRBC Agar Base 500g
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Thermo ScientificTM OxoidTM
- Oxoid DRBC Agar Base (Dichloran Rose-Bengal Chloramphenicol Agar Base) is a selective medium for yeast and molds associated with food spoilage.
- Also available Chloramphenicol Selective Supplement, Part No. SR0078E and Chloramphenicol Selective Supplement, Part No. SR0078H
DRBC Agar Base, Oxoid Composition
| Typical Formula* | gm/litre |
| Peptone | 5.0 |
| Glucose | 10.0 |
| Potassium dihydrogen phosphate | 1.0 |
| Magnesium sulphate | 0.5 |
| Dichloran | 0.002 |
| Rose-Bengal | 0.025 |
| Agar | 15.0 |
| pH 5.6 ± 0.2 @ 25°C |
DRBC Agar, Oxoid Preparation:
Suspend 15.75g in 500ml (31.5g/l) of distilled water and heat to dissolve completely. Reconstitute one vial SR0078E per 500ml medium or one vial SR0078H per 2 litres medium, as directed. Add the vial contents to the DRBC Agar Base. Sterilise by autoclaving at 121°C for 15 minutes. Cool to 50°C, mix well and pour into sterile Petri dishes.
Storage conditions and Shelf life
Store the dehydrated medium at 10-30°C and use before the expiry date on the label.
Store the prepared plates of medium at 2-8°C.
Precautions
ROSE-BENGAL PHOTO-OXIDIZES TO FORM TOXIC COMPOUNDS. STORE PLATES OF THE MEDIUM IN THE DARK AND AVOID EXPOSURE TO LIGHT.
Some strains of fungi may be inhibited on this medium.
The dichloran compound used in this medium is Botran® 2,6-Dichloro-4-Nitro-Analine (CAS: 99-30-9).
Methanol gradient grade for liquid chromatography LiChrosolv®
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Merck
Description
CAS number: 67-56-1
Chemical Formula: CH₃OH
Molar Mass: 32.04 g/mol
Synonyms: MeOH, Hydroxymethane, Methyl alcohol, Carbinol
Grade: Reag. Ph Eur
With their high degree of UV transmittance, low particle count, low acidity and alkalinity and low evaporation residue level, LiChrosolv® solvents are ideal for reproducible separations. Since separations are normally carried out under gradient conditions in analytical HPLC, we offer solvents in “gradient grade” as well as “isocratic grade”. This enables to minimize the gradient effect of the solvent involved. Filtered by 0.2 µm filter.
Suitable for UPLC / UHPLC /Ultra HPLC – instruments.
Conforms to Methanol R1 and R2 according to Reag. Ph Eur;
conforms to the requirements of ACS for liquid chromatography suitability.
Brilliance Bacillus Cereus Agar 500g, Oxoid
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Thermo ScientificTM OxoidTM
Brilliance Bacillus Cereus Agar Base, Oxoid is a chromogenic medium for the isolation and differentiation of Bacillus cereus from food samples.
- Also available Chromogenic Bacillus Cereus Selective Supplement, Part No. SR0230E.
Brilliance Bacillus Cereus Agar Base, Oxoid Composition
| Typical Formula* | gm/litre |
| Yeast extract | 4.0 |
| Peptone | 10.0 |
| Di-sodium hydrogen phosphate | 2.52 |
| Potassium di-hydrogen phosphate | 0.28 |
| Sodium pyruvate | 10.0 |
| Chromogenic mix | 1.2 |
| Agar | 13.0 |
| pH 7.2 ± 0.2 @ 25°C |
Brilliance Bacillus Cereus Agar, Oxoid Preparation:
Suspend 20.5g in 500ml of distilled water. Mix well and bring to the boil to dissolve completely. Sterilize by autoclaving at 121°C for 15 minutes. Cool the medium to 50°C and aseptically add 1 vial of Brilliance Bacillus cereus Selective Supplement. Mix well and pour into sterile Petri dishes.
Storage conditions and Shelf life
Store the dehydrated medium at 10-30°C and use before the expiry date on the label.
Brilliance Bacillus cereus Selective Supplement must be stored at 2-8°C.
Store the prepared medium for up to 2 weeks at 2-8°C.
Precautions
X-glucopyranoside negative B. cereus strains may present white colonies on this medium due to poor or no utilisation of the chromogen.
2-Propanol EMPLURA® (Merck)
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Merck
Description
CAS Number: 67-63-0
Chemical Formula: CH₃CH(OH)CH₃
Molecular Weight: 60.1 g/mol
Synonyms: Isopropyl alcohol, Isopropanol, iso-Propanol, IPA
Quality Level: MQ200
OmniPur Water, WFI Quality, Sterile Purified Water, Cell Culture Tested – CAS7732-18-5, 1L
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Merck
** This product has been discontinued.
OmniPur Water is sterile water that is tested to be DNase free, Protease free, RNase free and bacterial free.
It is suitable to be used in:
- Cell Biology
- Cell culture media preparation, extraction buffer, Molecular work, reconstitute of compound
- Diluent for live cells staining
- Sterile solution preparation Microbiology Sample Preparation
- Diluent and rinsing reagent in Microbial Membrane Filtration
Key Specification:
- Sterile by USP Standard
- DNase, RNase, Protease-Free
- < 500 ppb Total Organic Carbon
- < 0.025 EU/ml Bacterial Endotoxin
Minimum Essential Medium Eagle (EMEM) with Alpha Modification, powder form
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Sigma-Aldrich
This is the most enriched variation of the EMEM formulation offered that suitable for cell culuture. It contains all 21 normal amino acids, some at increased concentrations. In addition, it contains 5 additional vitamins. Refer to the table below and choose your preferecd EMEM!
OEM SeaKem® LE Agarose
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Lonza
Product Overview
SeaKem® LE Agarose was the first and is still the world’s most trusted agarose for nucleic acid electrophoresis. Ideal for routine analysis of nucleic acids by gel electrophoresis and blotting, each SeaKem® LE Gel sharply resolves DNA and provides consistent resolution from lot-to-lot. This molecular biology grade agarose has no detectable DNase or RNase activity and forms strong gels with low background upon ethidium bromide, SYBR® Green, or GelStarTM Staining. Due to its low EEO, DNA will have a high electrophoretic mobility. SeaKem® LE Agarose is also recommended for protein gel electrophoresis in applications such as Ouchterlony and radial immunodiffusion (RID). Information about bulk and custom packaging is available through Lonza’s Customer Service Team.
Benefits
Applications
Content & Storage
1 kb DNA Ladder, NEB
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New England Biolabs
This 1 kb DNA ladder is available in Quick-Load Purple format – enjoy the convenience of a ready-to-load format.
1 kb DNA ladder from New England Biolabs (NEB) is suitable for use with molecular weight standard for agarose gel electrophoresis. A number of proprietary plasmids are digested to completion with appropriate restriction enzymes to yield 10 bands, ranging from 0.5 to 10 kilobases. NEB set 3.0 kb fragment as a reference band by increasing the intensity of that band.
- Size range: 500 bp to 10 kb
- Value pricing
- Supplied with a free vial of Gel Loading Dye, Purple (6X), no SDS (NEB #B7025).
- Easy to identify reference bands
- Small size suitable for 200 gel lanes; large size suitable for 1000 gel lanes
Q5 Hot Start High-Fidelity 2X Master Mix
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New England Biolabs
Fidelity at its finest
Q5® High-Fidelity DNA Polymerase sets a new standard for both fidelity and robust performance. With the highest fidelity amplification available (~280 times higher than Taq), Q5 DNA Polymerase results in ultra-low error rates. Q5 DNA Polymerase is composed of a novel polymerase that is fused to the processivity-enhancing Sso7d DNA binding domain, improving speed, fidelity and reliability of performance.
- Highest fidelity amplification (~280X higher than Taq)
- Ultra-low error rates
- Superior performance for a broad range of amplicons (from high AT to high GC)
- Hot start and master mix formats available
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