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Mandarin Ducks (Aix galericulata) are frequently featured in Chinese art and are regarded as a symbol of fidelity. Fidelity at its finest. Q5 High-Fidelity DNA Polymerase Q5 High-Fidelity DNA Polymerase sets a new standard for both fidelity and performance. With the highest fidelity amplification available (>50X higher than Taq), Q5 DNA Polymerase results in ultra-low error rates. Its unique buffer system provides superior performance for a broad range of amplicons, regardless of GC content. Available in master mix and hot start formulations, Q5 DNA Polymerase represents the finest in fidelity. For more information, including our FREE SAMPLE special offer, visit www.Q5PCR.com Robust amplification even with high GC amplicons Amplification of two human genomic amplicons of mid to high GC content. All reactions were conducted using 30 cycles of amplification and visualized by microfluidic LabChip ® analysis. All polymerases were cycled according to manufacturer’s recommendations. For the 78% GC amplicon, GC Buffers or enhancers were used when supplied with the polymerase. A = Q5 High-Fidelity DNA Polymerase (NEB) B = Phusion ® High-Fidelity DNA Polymerase (NEB) C = KOD DNA Polymerase (EMD) D = PfuUltra High-Fidelity DNA Polymerase (Agilent) 60% GC 78% GC 4900 2900 1900 1100 700 500 300 bp L A B C D A B C D PHUSION ® is a registered trademark and property of Thermo Fisher Scientific. Phusion ® DNA Polymerase was developed by Finnzymes Oy, now a part of Thermo Fisher Scientific. PFUULTRA is a trademark of Agilent Technologies, Inc. LABCHIP ® is a registered trademark of Caliper Life Sciences, part of Perkin Elmer, Inc. Q5 is a trademark of New England Biolabs, Inc. ALSO AVAILABLE: Optimized NEBNext ® formulation for next generation sequencing library amplification

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Mandarin Ducks (Aix galericulata) are frequently featured

in Chinese art and are regarded as a symbol of fidelity.

Fidelity atits finest.Q5™ High-Fidelity

DNA PolymeraseQ5 High-Fidelity DNA Polymerase sets a new

standard for both fidelity and performance. With

the highest fidelity amplification available (>50X

higher than Taq), Q5 DNA Polymerase results

in ultra-low error rates. Its unique buffer system

provides superior performance for a broad range

of amplicons, regardless of GC content. Available

in master mix and hot start formulations, Q5 DNA

Polymerase represents the finest in fidelity.

For more information, including our

FREE SAMPLE special offer, visit

www.Q5PCR.com

Robust amplification even with high GC amplicons

Amplification of two human genomic amplicons of mid to high GC content.All reactions were conducted using 30 cycles of amplification and visualizedby microfluidic LabChip® analysis. All polymerases were cycled according tomanufacturer’s recommendations. For the 78% GC amplicon, GC Buffers orenhancers were used when supplied with the polymerase.

A = Q5™ High-Fidelity DNA Polymerase (NEB)B = Phusion® High-Fidelity DNA Polymerase (NEB)C = KOD DNA Polymerase (EMD)D = PfuUltra™ High-Fidelity DNA Polymerase (Agilent)

60% GC 78% GC

490029001900

1100

700

500

300

bp L A B C D A B C D

PHUSION® is a registered trademark and property of Thermo Fisher Scientific.

Phusion® DNA Polymerase was developed by Finnzymes Oy, now a part of Thermo Fisher Scientific.

PFUULTRA™ is a trademark of Agilent Technologies, Inc.

LABCHIP® is a registered trademark of Caliper Life Sciences, part of Perkin Elmer, Inc.

Q5™ is a trademark of New England Biolabs, Inc.

ALSO AVAILABLE: Optimized NEBNext® formulation

for next generation sequencing library amplification

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I seek the future.

eppendorfÆ, Eppendorf PhysioCare ConceptÆ, PhysioCare ConceptÆ and Eppendorf XplorerÆ

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All rights reserved incl. graphics and photos. Copyright © 2012 by Eppendorf AG.

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Science & Diplomacy is published by the Center for Science

Diplomacy of the American Associa�on for the Advancement of

Science (AAAS), the worldís largest general scien�ˇc society.

FOCUS ON CAREERS

Faculty

Produced by the Science/AAAS Custom Publishing Office

In This IssueThe science of biology is one thing but the science of business

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1365www.sciencemag.org/products SCIENCE VOL 337 14 SEPTEMBER 2012

Newly offered instrumentation, apparatus, and laboratory materials of interest to researchers in all disciplines in academic, industrial, and governmental organizations are

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