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Reduced reaction volumes and increased Taq DNA polymerase concentration improve STR profiling outcomes from a real-world low template DNA source: telogen hairs.

Reduced reaction volumes and increased Taq DNA polymerase concentration improve STR profiling outcomes from a real-world low template DNA source: telogen hairs.

OBJECTIVE
The main method for the analysis of low template DNA (LTDNA) is known as a method of low copy number (LCN), which involves increasing the number of PCR cycles (typically 34). In common with other LTDNA method, characterized by an imbalance LCN profile allele, decline, and the drop outs which require interpretation of complex rules. They often require replicate PCR reactions to produce a “consensus” profile in special facilities. The ideal method for the analysis of LTDNA should raise the profile of the results without a high error rate and is accomplished using the standard amenities, in addition to the minimum cost.


METHOD
In this study, we present a comparison of four methods of variation for amplification of STR from LTDNA broadly used, the kit is available commercially (AmpFℓSTR (®) Profiler Plus (®)): the standard method, the standard method to post a PCR clean up, the method of the LCN, and the reaction volume decreases with increased concentrations of Taq DNA polymerase.


RESULTS
Using the telogen hair-LTDNA common source and reference DNA match, LCN method produces the highest number of appropriate and non-appropriate alleles (ie, down-in). For comparison, the reaction volume was reduced by an increase in Taq Polymerase produce fuller profile and corresponding DNA (all alleles combined) and less off-ladder alleles of a variety of input DNA. In addition, this method results in less non-concordant allele of the LCN and not more than for standard PCR, which indicates that it may be preferable to increase PCR cycles for analysis LTDNA, either with or without consensus profiles and statistical modeling.


CONCLUSION
Overall, this study highlights the importance and benefits of optimizing PCR conditions and to develop improved laboratory method to amplify and analyze LTDNA.

Reduced reaction volumes and increased Taq DNA polymerase concentration improve STR profiling outcomes from a real-world low template DNA source: telogen hairs.
Reduced reaction volumes and increased Taq DNA polymerase concentration improve STR profiling outcomes from a real-world low template DNA source: telogen hairs.

[Effect of Incorporation Efficiency Charge Chromophore on fluorescently-labeled nucleotides in Matrix synthesis by Taq DNA Polymerase].

In order to study the effect of the electric charge of the chromophore, the efficiency of incorporation of fluorescently labeled nucleotides into DNA during PCR, three fluorescently labeled dUPT, one with dye electroneutral and the other two with positive and negative (Cy5 analog), was synthesized.

This shows that dUPT, labeled with Cy 5 electroneutral analog, most effectively incorporated into the DNA when Tag polymerase used for PCR.
Polymerase chain reaction (PCR) is widely used in a variety of experimental conditions, and Taq DNA polymerase is crucial in the process of PCR. In this article, Taq DNA expression polymerase plasmid reconstructed and protein products obtained by purification fast, ( “Fast purification of high-activity of Taq DNA polymerase” (Pluthero, 1993 [1]), “Single-step purification of DNA thermostable polymerase expressed in Escherichia coli “(Desai and Pfaffle, 1995 [2])). Here we present data on production of protein expression and provides the analysis result of the production of two different vectors. Meanwhile, refining the data is also provided to indicate the purity of the protein product.

Taq DNA Polymerase
BA00103 500U
EUR 104.4
Description: High quality Taq polymerase for different PCR variations and downstream applications.

Taq DNA Polymerase
BA00104 1000U
EUR 147.6
Description: High quality Taq polymerase for different PCR variations and downstream applications.

Taq DNA Polymerase
BA00105 2500U
EUR 278.4
Description: High quality Taq polymerase for different PCR variations and downstream applications.

Taq DNA polymerase
BT10101 500U
EUR 96
Description: High quality Taq polymerase for different PCR variations and downstream applications.

Taq DNA polymerase
BT10102 1000U
EUR 130.8
Description: High quality Taq polymerase for different PCR variations and downstream applications.

Taq DNA polymerase
BT10103 2000U
EUR 200.4
Description: High quality Taq polymerase for different PCR variations and downstream applications.

Taq DNA Polymerase
9001-2500 each
EUR 614.4

Taq DNA Polymerase
9001-500 each
EUR 229.2

Taq DNA Polymerase
L7051001 1000 unit
EUR 159

Taq DNA Polymerase
L7051200 200 unit
EUR 41

Maximo Blue-Taq DNA Polymerase (ready-to-load, conc. 1u/µl)
S111 500 units
EUR 63.6

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S112 5x500 units
EUR 148.8

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S128 20x500 units
EUR 487.2

Maximo Blue-Taq DNA Polymerase (ready-to-load, conc. 1u/µl)
S129 100x500 units or as bulk
EUR 2142

Taq DNA Polymerase (3000U)
9K-001-0002 3000U
EUR 582

Taq DNA Polymerase (6000U)
9K-001-0033 6000U
EUR 1234.5

Taq DNA Polymerase (1000U)
9K-001-0035 1000U
EUR 418.62

Taq DNA Polymerase (500U)
9K-001-0001 500U
EUR 209.29

Taq HS DNA Polymerase
P132-d1 500 U
EUR 38.28

Taq HS DNA Polymerase
P132-d2 1,000 U
EUR 71.34

Taq HS DNA Polymerase
P132-d3 5,000 U
EUR 324.8

Taq DNA Polymerase (PCR)
G008 5000 U (1.0 ml)
EUR 246

Taq DNA Polymerase (PCR)
G009 1000 U (200 ul)
EUR 104.4

Taq DNA Polymerase (PCR)
G126 10000 U (2 x 1.0 ml)
EUR 370.8

Taq DNA polymerase (+dNTPs)
02-001 200U
EUR 183.6
Description: The Taq DNA polymerase (+dNTPs) is available in Europe and for worldwide shipping via Gentaur.

Taq DNA polymerase (+dNTPs)
02-001-5 5×200U
EUR 308.4
Description: The Taq DNA polymerase (+dNTPs) is available in Europe and for worldwide shipping via Gentaur.

Taq DNA polymerase (-dNTPs)
02-011 200U
EUR 168
Description: The Taq DNA polymerase (-dNTPs) is available in Europe and for worldwide shipping via Gentaur.

Taq DNA polymerase (-dNTPs)
02-011-5 5×200U
EUR 261.6
Description: The Taq DNA polymerase (-dNTPs) is available in Europe and for worldwide shipping via Gentaur.

Maximo Taq DNA Polymerase
S101 500 units
EUR 55.2

Maximo Taq DNA Polymerase
S102 5x500 units
EUR 128.4

Maximo Taq DNA Polymerase
S103 20x500 units
EUR 393.6

Taq DNA Polymerase, 5units/㎕
T2200-050 500units
EUR 157.2

Taq DNA Polymerase, 5units/㎕
T2200-100 2x500 units
EUR 230.4

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T2200-200 4x500 units
EUR 375.6

Hotstart Taq DNA Polymerase
L7052001 1000 units
EUR 567

Hotstart Taq DNA Polymerase
L7052250 250 units
EUR 159

Champagne Taq DNA Polymerase
P122-d1 500 U (2.5 U/μl)
EUR 212.4

Champagne Taq DNA Polymerase
P122-d2 500 U (5 U/μl)
EUR 212.4

Champagne Taq DNA Polymerase
P122-d3 500 U (10 U/μl)
EUR 212.4

ACTaq? Taq DNA Polymerase, 1000U
E2100-1000U each
EUR 260.4

Taq DNA Polymerase - 5,000 units
3245 1/EA
EUR 620.4

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27079804 EACH
EUR 117.6

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27079806 EACH
EUR 639.6

Taq DNA Polymerase (Recombinant)
abx073521-10000U 10000 U
EUR 710.4

Taq DNA Polymerase (Recombinant)
abx073521-1000U 1000 U
EUR 276

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abx073521-3000U 3000 U
EUR 393.6

Recombinant Taq DNA Polymerase
7-03634 1,000U Ask for price

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Recombinant Taq DNA Polymerase
7-03636 10,000U Ask for price

ACTaq? Taq DNA Polymerase, 250U
E2100-250U each
EUR 122.4

Taq Plus DNA Polymerase
P201-01 250 U
EUR 147.6

Taq Plus DNA Polymerase
P201-02 1000 U
EUR 213.6

Taq Plus DNA Polymerase
P201-03 3000 U
EUR 382.8

Taq DNA Polymerase, 5u/ul
B0089(D0089) 5X200U
EUR 112.2

Genorise® Taq DNA Polymerase
GR108007 200 tests
EUR 230

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FYT011-500U 500U Ask for price

Taq Plus DNA Polymerase (PCR)
G012 250 U (50 ul)
EUR 87.6

Taq Plus DNA Polymerase (PCR)
G040 1000 U (200 ul)
EUR 127.2

Recombinant (E.Coli) Taq DNA Polymerase
RP-394 1000 IU
EUR 196.8

Taq DNA Polymerase Polyclonal Antibody
7018-100 each
EUR 424.8

Taq DNA Polymerase Polyclonal Antibody
7018-30T each
EUR 175.2

YEA taq DNA Polymerase wi dNTP
FYT001-500U 500U Ask for price

ACTaq? Taq Blue DNA Polymerase, 1000U
E2100B-1000U each
EUR 272.4

Taq DNA Polymerase (Mg2+ plus Buffer)
P101-01 1000 U
EUR 145.2

Taq DNA Polymerase (Mg2+ plus Buffer)
P101-02 5000 U
EUR 231.6

Taq DNA Polymerase (Mg2+ plus Buffer)
P101-03 10000 U
EUR 314.4

Taq DNA Polymerase (Mg2+ free Buffer)
P102-01 1000 U
EUR 145.2

Taq DNA Polymerase (Mg2+ free Buffer)
P102-02 5000 U
EUR 231.6

Taq DNA Polymerase (Mg2+ free Buffer)
P102-03 10000 U
EUR 314.4

ACTaq? Taq Blue DNA Polymerase, 250U
E2100B-250U each
EUR 126

Taq DNA polymerase (TQ21) , DNA Aptamer, unlabeled
AD-146-U Custom Ask for price

Cheetah Hot Start Taq DNA Polymerase
29050 500EU
EUR 355.2
Description: Minimum order quantity: 1 unit of 500EU

Taq Plus DNA Polymerase, 5u/ul
D0090 200U
EUR 94.8

Taq Plus DNA Polymerase (Recombinant)
abx073522-2500U 2.500 U
EUR 710.4

Taq Plus DNA Polymerase (Recombinant)
abx073522-250U 250 U
EUR 276

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abx073522-750U 750 U
EUR 393.6

Recombinant Taq Plus DNA Polymerase
7-03631 250U Ask for price

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7-03632 750U Ask for price

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7-03633 2,500U Ask for price

Taq HS DNA Polymerase (Glycerol-free)
QL101-01 1,000 U
EUR 71.2

Taq HS DNA Polymerase (Glycerol-free)
QL101-02 5,000 U
EUR 324.8

Taq HS DNA Polymerase (Glycerol-free)
QL101-03 50,000 U
EUR 2900

Taq DNA Polymerase, 5units/㎕ , Bulk Packing
T2200-B01 10,000 units
EUR 1388.4

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T2200-B05 5x10,000 units
EUR 6540

Taq DNA polymerase (TQ21) , DNA Aptamer, Biotinylated
AD-146-B Custom Ask for price

amfiSure Hot-Start Taq DNA Polymerase
P0322-010 100 units
EUR 176.4

amfiSure Hot-Start Taq DNA Polymerase
P0322-025 250 units
EUR 273.6

3G HotStart Taq DNA Polymerase (5u/ul)
3GHST81 5x500U
EUR 896.24

Taq DNA Polymerase with dNTP Mix (6000U)
9K-001-0018 6000U
EUR 1536.74

Taq DNA Polymerase with dNTP Mix (500U)
9K-001-0031 500U
EUR 351.28

Taq DNA Polymerase with dNTP Mix (3000U)
9K-001-0032 3000U
EUR 1088.87

Taq DNA Polymerase with dNTP Mix (1000U)
9K-001-0034 1000U
EUR 518.84

Taq DNA Polymerase (High Purity), 5u/ul
HTD0078 5X200U
EUR 129.6

HiQTM Taq Red DNA Polymerase, 1unit/㎕
T2201-050 500units
EUR 157.2

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T2201-100 2x500 units
EUR 230.4

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T2201-200 4x500 units
EUR 375.6

Genorise® CLT Taq DNA Polymerase (1000 U)
GR108003 1000 U
EUR 199

Maximo DFS-Plus Taq DNA Polymerase DNA-free
N140 500 units
EUR 60

Maximo DFS-Plus Taq DNA Polymerase DNA-free
N142 5x500 units
EUR 144

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N144 20x500 units
EUR 440.4

Taq DNA polymerase (TQ21) , DNA Aptamer, FITC labeled
AD-146-F Custom Ask for price

Taq DNA Polymerase 2x Premix - 500 Reactions
3249 1/EA
EUR 228

HotStart Taq DNA Polymerase (Mg2+ Plus Buffer)
RK20601 25 U Ask for price

Recombinant (E.Coli) Taq Plus DNA Polymerase
RP-395 250 U
EUR 196.8

Taq DNA Polymerase, Ultra Pure, 5 units/ul
T2016-001 1000 units
EUR 198

Taq DNA Polymerase, Ultra Pure, 5 units/ul
T2016-005 5000 units
EUR 360

Taq DNA Polymerase, Ultra Pure, 5 units/ul
T2016-010 10,000 units
EUR 699.6

Taq DNA Polymerase, Ultra Pure, 5 units/ul
T2016-100 100,000 units
EUR 3462

Fast-Taq DNA Polymerase (500U)
9K-001-0036 500U
EUR 420.65

amfiXpand Taq DNA Polymerase,Including dNTP&MgCl2
P0330-010 100 units
EUR 180

amfiXpand Taq DNA Polymerase,Including dNTP&MgCl3
P0330-020 2x100 units
EUR 286.8

amfiXpand Taq DNA Polymerase,Including dNTP&MgCl2
P0330-050 5X100 units
EUR 465.6

amfiXpand Taq DNA Polymerase,Including dNTP&MgCl2
P0330-250 25X100 units
EUR 2004

amfiXpand Taq DNA Polymerase,Including dNTP&MgCl2
P0330-500 50X100 units
EUR 3591.6

Taq DNA Polymerase (Mg2+ plus Buffer, with dNTP)
P101-d1 1000 U
EUR 163.2

Taq DNA Polymerase (Mg2+ plus Buffer, with dNTP)
P101-d2 5000 U
EUR 320.4

Taq DNA Polymerase (Mg2+ plus Buffer, with dNTP)
P101-d3 10000 U
EUR 490.8

Taq DNA Polymerase (Mg2+ free Buffer, with dNTP)
P102-d1 1000 U
EUR 163.2

Taq DNA Polymerase (Mg2+ free Buffer, with dNTP)
P102-d2 5000 U
EUR 320.4

Taq DNA Polymerase (Mg2+ free Buffer, with dNTP)
P102-d3 10000 U
EUR 490.8

Reversible 1-min Hot Start Taq DNA Polymerase
P950 - Ask for price

Reversible 1-min Hot Start Taq DNA Polymerase
P950L - Ask for price

Taq DNA Polymerase - 5,000 units with separate dNTP Mix
3245d 1/EA
EUR 802.8

Anti-Taq DNA Polymerase Antibody
48369-100ul 100ul
EUR 399.6

Anti-Taq DNA Polymerase Antibody
48369-50ul 50ul
EUR 286.8

DFS-"HOT" Taq DNA Polymerase (DNA-free sensitive, E-coli. DNA Free)
N150 500 units
EUR 122.4

DFS-"HOT" Taq DNA Polymerase (DNA-free sensitive, E-coli. DNA Free)
N152 5x500 units
EUR 472.8

DFS-"HOT" Taq DNA Polymerase (DNA-free sensitive, E-coli. DNA Free)
N154 20x500 units
EUR 1830

Taq Pro Multiplex DNA Polymerase (High sensitivity)
PM201-01 200 rxns
EUR 72.5

Taq Pro Multiplex DNA Polymerase (High sensitivity)
PM201-02 1,000 rxns
EUR 290

Taq Pro Multiplex DNA Polymerase (High specificity)
PM202-01 200 rxns
EUR 72.5

Taq Pro Multiplex DNA Polymerase (High specificity)
PM202-02 1,000 rxns
EUR 290

HiQTM Taq Red DNA Polymerase, 1unit/㎕ , Bulk Packing
T2201-B01 10,000 units
EUR 1388.4

HiQTM Taq Red DNA Polymerase, 1unit/㎕ , Bulk Packing
T2201-B05 5x10,000 units
EUR 6540

Hot Start Taq DNA Polymerase - 1000 units with seperate dNTP mix
3293d 1/EA
EUR 428.4

amfiSure Taq DNA Polymerase, 1unit/ul, Including dNTP&MgCl2
P0310-025 250 unit
EUR 200.4

amfiSure Taq DNA Polymerase, 1unit/ul, Including dNTP&MgCl2
P0310-050 2X250 unit
EUR 300

amfiSure Taq DNA Polymerase, 1unit/ul, Including dNTP&MgCl2
P0310-100 4X250 Unit
EUR 505.2

amfiSure Taq DNA Polymerase, 1unit/ul, Including dNTP&MgCl2
P0310-250 10X250 Unit
EUR 886.8

Maximo Taq DNA Polymerase (2X pre-mix, ready-to-use)
S113 2x100 rcs
EUR 79.2

Maximo Taq DNA Polymerase (2X pre-mix, ready-to-use)
S114 10x100 rcs
EUR 231.6

Maximo H-SPlus Taq DNA Polymerase (for Hot-Start PCR)
S400 200 units
EUR 86.4

Maximo H-SPlus Taq DNA Polymerase (for Hot-Start PCR)
S410 1000 units
EUR 231.6

amfiEco Taq DNA Polymerase, 1 unit/ul,Including dNTP&MgCl2
P0701-050 500 units
EUR 198

amfiEco Taq DNA Polymerase, 1 unit/ul,Including dNTP&MgCl2
P0701-102 25x500 units
EUR 1712.4

amfiEco Taq DNA Polymerase, 1 unit/ul,Including dNTP&MgCl2
P0701-500 10X500 units
EUR 886.8

Anti-Taq DNA Polymerase Conjugated Antibody
C48369 100ul
EUR 476.4

amfiSure ONE Taq DNA Polymerase, 1unit/ul, MgCl2 and dNTP Included
P7002-500 500 units
EUR 262.8

amfiSure ONE Taq DNA Polymerase, 1unit/ul, MgCl2 and dNTP Included
P7002-502 2x500 units
EUR 424.8

amfiSure ONE Taq DNA Polymerase, 1unit/ul, MgCl2 and dNTP Included
P7002-510 10x500 units
EUR 1647.6

amfiSure ONE Taq DNA Polymerase, 1unit/ul, MgCl2 and dNTP Included
P7002-525 25x500 units
EUR 3624

amfiSure ONE Taq DNA Polymerase, 1unit/ul, MgCl2 and dNTP Included
P7002-550 50x500 units
EUR 6459.6

EZ Taq Polymerase (HotStart)
9K-005-0020 500U
EUR 245.83

Accuris Taq Polymerase, 1000 units
PR1000-1000 1 PC
EUR 167.1

Accuris Taq Polymerase, 6000 units
PR1000-6000 1 PC
EUR 853.3

Accuris Taq Polymerase, 500 units
PR1000-500 1 PC
EUR 103.6

TaqFast DNA Polymerase (PCR)
G277 250 U (50 ul)
EUR 87.6

TaqFast DNA Polymerase (PCR)
G278 1000 U (200 ul)
EUR 160.8

DNA Polymerase
ABD3082 100 ug
EUR 525.6

DNA Polymerase
ABF5235 100 ug
EUR 525.6

Fast-Taq DNA Polymerase with 10mM dNTP Mix (500U)
9K-001-0003 500U
EUR 575.22

Fast-Taq DNA Polymerase with 10mM dNTP Mix (2500U)
9K-001-0004 2500U
EUR 2465.38

High-Taq DNA Polymerase with 10mM dNTP Mix (250U)
9K-001-0005 250U
EUR 384.17

High-Taq DNA Polymerase with 10mM dNTP Mix (5000U)
9K-001-0020 5000U
EUR 2878.8

High-Taq DNA Polymerase with 10mM dNTP Mix (4x250U)
9K-001-0006 4x250U
EUR 1055.98

T4 DNA Polymerase
N101-01 2000 U
EUR 278.4

T4 DNA Polymerase
M1211-100 each
EUR 385.2

DNA polymerase ? (Rat)
10-101 20ug
EUR 465.6
Description: The DNA polymerase ? (Rat) is available in Europe and for worldwide shipping via Gentaur.

DNA polymerase ? (Rat)
10-102 100ug
EUR 1107.6
Description: The DNA polymerase ? (Rat) is available in Europe and for worldwide shipping via Gentaur.

Pfu DNA Polymerase
BA00503 500U
EUR 174
Description: High quality Pfu polymerase for different PCR variations and downstream applications.

Pfu DNA Polymerase
BA00504 1000U
EUR 286.8
Description: High quality Pfu polymerase for different PCR variations and downstream applications.

Pfu DNA Polymerase
BA00505 2500U
EUR 626.4
Description: High quality Pfu polymerase for different PCR variations and downstream applications.

PFU DNA Polymerase
9003-2500 each
EUR 614.4

PFU DNA Polymerase
9003-500 each
EUR 216

Laq? DNA Polymerase
9004-2500 each
EUR 732

Laq? DNA Polymerase
9004-500 each
EUR 261.6

Pfu DNA Polymerase
S116 1x250 units
EUR 91.2

Pfu DNA Polymerase
S117 2x250 units
EUR 112.8

Pfu DNA Polymerase
S118 10x250 units
EUR 363.6

Bst DNA Polymerase
S600 2000 U
EUR 128.4

MyFi DNA Polymerase
BIO-21117 250 Units Ask for price

MyFi DNA Polymerase
BIO-21117/S Sample Ask for price

MyFi DNA Polymerase
BIO-21118 500 Units Ask for price

MyFi DNA Polymerase
BIO-21119 2500 Units Ask for price

Accuris Taq Polymerase, sample, 50 units
PR1000-S 1 PC
EUR 7.1

MyTaq DNA Polymerase
BIO-21105 500 units Ask for price

MyTaq DNA Polymerase
BIO-21105/S Sample Ask for price

MyTaq DNA Polymerase
BIO-21106 2500 units Ask for price

MyTaq DNA Polymerase
BIO-21107 5000 units Ask for price

Ready? DNA Polymerase
M1146-1000 each
EUR 398.4


chemical modifications to DNA, such as modification 2 ‘, is expected to increase the utility of DNA biotechnology; However, other forms of modification of DNA is limited by their inability to effectively synthesized by a DNA polymerase enzyme. Previous efforts have identified a mutant Thermus aquaticus DNA polymerase I (Taq) enzyme that can recognize DNA 2’-modified nucleotides. While these modified nucleotides recognize the mutant enzyme, they are unable to synthesize the full length of the modified DNA; thus, further techniques necessary for this enzyme

Jordan

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