Pd-Catalyzed C(sp 3)-H Biarylation through Transient Directing Group Technique

cromauv.org

Pd-Catalyzed C(sp 3)-H Biarylation through Transient Directing Group Technique

Right here, we describe a extremely selective Pd-catalyzed C(sp3)-H biarylation of 2-methylbenzaldehydes utilizing cyclic diaryliodonium salts as arylation reagents. The important thing technique is the employment of tert-leucine as a bidentate transient directing group for the proximity-driven metalation to realize reactivity and selectivity in C-H activation. Numerous functionalized biaryls bearing each aldehyde and iodine practical teams have been ready efficiently, which may very well be additional remodeled into a variety of compounds with potential functions in pharmaceutical chemistry and supplies science.

cromauv.org

Safe-Red

MBS8580070-5x1mL 5x1mL
EUR 455

Safe-Green

E36G108-G 1.0 ml
EUR 35.71

Safe-White

E36G108-W 1.0 ml
EUR 35.71

Safe-Green

G108 1.0 ml
EUR 45
Description: Safe-Green™ is a new and safe nucleic acid stain for the visualization of nucleic acids in agarose and polyacrylamide gels. This dye eliminates the need for toxic Ethidium Bromide (EtBr, a potent mutagen), commonly used in gel electrophoresis.

Safe-Green

G108-G 1.0 ml
EUR 45
Description: Safe-Green™ is a new and safe nucleic acid stain for the visualization of nucleic acids in agarose and polyacrylamide gels. This dye eliminates the need for toxic Ethidium Bromide (EtBr, a potent mutagen), commonly used in gel electrophoresis.

Safe-White

G108-W 1.0 ml Ask for price
Description: Safe-White is a new and safe nucleic acid stain for the visualization of nucleic acids in agarose and polyacrylamide gels. This dye eliminates the need for toxic Ethidium Bromide (EtBr, a potent mutagen), commonly used in gel electrophoresis.

Safe-White

MBS8580069-1mL 1mL
EUR 135

Safe-White

MBS8580069-5x1mL 5x1mL
EUR 455

Safe-Green

MBS8580071-1mL 1mL
EUR 135

Safe-Green

MBS8580071-5x1mL 5x1mL
EUR 455

Safe-Red Gel

G680 1.0 ml
EUR 85
Description: abm’s Safe-Red™ Gel is a safe, improved formulation of nucleic acid stain for agarose gel electrophoresis.

End Caps for use with Safe-Wrap® Blood Collection Tubes (Package of 200) Caps)

EC220 each
EUR 78

Safe DNA Gel Stain

A8743-.5 500 ul
EUR 48
Description: Safe and sensitive DNA/RNA gel stain

Safe DNA Gel Stain

A8743-1 1 ml
EUR 77
Description: Safe and sensitive DNA/RNA gel stain

Safe DNA Gel Stain

A8743-10 10x1 ml
EUR 448
Description: Safe and sensitive DNA/RNA gel stain

Safe DNA Gel Stain

A8743-100 100x1 ml
EUR 2304
Description: Safe and sensitive DNA/RNA gel stain

Safe-Wrap® Combo Blood Collection Tubes for i•-STAT® (Package of 50 Tubes) 95μL

CT095 each
EUR 85

1L ProtoBlue Safe - 1L

NAT1108 1L
EUR 167.4

4L ProtoBlue Safe - 4L

NAT1110 4L
EUR 364.5

Safe Dye DNA Marker 4

21054 50 mcg
EUR 95.88
Description: Part E

Safe Dye DNA Marker 1

57493 50 mcg
EUR 95.88
Description: Part E

Apex Safe DNA Gel Stain

20-278 1.0ml/Unit
EUR 132.65
Description: 20,000x, In Water

Safe Image? Red DNA Stain

M1195-1000 each
EUR 280.8

Apex Safe DNA Loading Dye

20-278D 1.0ml/Unit
EUR 135.09
Description: With Stain, 6x Concentration

ProSieve EX Safe Stain 1L

LO223566 each
EUR 275.27

Safe Image? Basic DNA Stain

M1193-1000 each
EUR 280.8

Safe Image? Green DNA Stain

M1194-1000 each
EUR 280.8

Safe Image? White DNA Stain

M1196-1000 each
EUR 280.8

Safe Image Super? DNA Stain

M1198-1000 each
EUR 280.8

Gilson Safe Aspiration Kit - EACH

F110750 EACH
EUR 459

Gilson Safe Aspiration Station - EACH

F110746 EACH
EUR 2512.35

Safe Lock PCR Tube 0.5 - PK500

E0030123603 PK500
EUR 70.2

Safe Lock PCR Tube 2.0 - PK500

E0030123620 PK500
EUR 49.95

Safe Image? Fire Red DNA Stain

M1199-1000 each
EUR 280.8

Safe Dye Hi-Range DNA Marker

56678 50 mcg
EUR 110.84
Description: Part E

Safe Dye Mid-Range DNA Marker

81685 50 mcg
EUR 110.84
Description: Part E

Safe-Lock Micro Test Tubes - PK100

X21735 PK100
EUR 44.95

Safe-Green 1kb Opti-DNA Marker

G474 500 μl/100 loads
EUR 70
Description: Safe-Green™ Opti-DNA Markers contain Safe-Green™ DNA stain which is a non-toxic and efficient alternative DNA visualizing agent to the carcinogenic ethidium bromide (EB). The brightness of Safe-Green™ Opti-DNA Markers is optimized for compatible and proper camera exposure in applications along with PCR products generated from abm’s Safe-Green™ 2X PCR MasterMixes as well as from any other SYBR Green-alike-based PCR amplification. To use Safe-Green™ Opti-DNA Markers, simply load 5 ul of the marker onto a plain gel and perform electrophoresis along with samples; Visualize the gel using an UV light source. Safe-Green™ has an excitation maximum at 495 nm and an emission maximum at 520 nm.

PCR products and double-stranded DNA were digested with appropriate restriction enzymes to completion to yield 19 bands, ranging from 100 pb – 10 kb, for molecular weight standards in agarose gel electrophoresis. The 500, 1,500, and 3,000 base pair bands have increased intensity to serve as quick reference points. Approximated mass of each DNA band is provided (for a loading size of 5 μl of the DNA ladder) for approximating the mass of DNA in comparably intense DNA samples of similar size.

Safe-Green 1kb Opti-DNA Marker

MBS8580105-05mL 0.5mL
EUR 180

Safe-Green 1kb Opti-DNA Marker

MBS8580105-5x05mL 5x0.5mL
EUR 665

Safe-Green 100bp Opti-DNA Marker

G473 500 μl/100 loads
EUR 70
Description: Safe-Green™ Opti-DNA Markers contain Safe-Green™ DNA stain which is a non-toxic and efficient alternative DNA visualizing agent to the carcinogenic ethidium bromide (EB). The brightness of Safe-Green™ Opti-DNA Markers is optimized for compatible and proper camera exposure in applications along with PCR products generated from abm’s Safe-Green™ 2X PCR MasterMixes as well as from any other SYBR Green-alike-based PCR amplification. To use Safe-Green™ Opti-DNA Markers, simply load 5 ul of the marker onto a plain gel and perform electrophoresis along with samples; Visualize the gel using an UV light source. Safe-Green™ has an excitation maximum at 495 nm and an emission maximum at 520 nm.

PCR products and double-stranded DNA were digested with appropriate restriction enzymes to completion to yield 17 bands, ranging from 50 pb – 1.5 kb, for molecular weight standards in agarose gel electrophoresis. The 200 and 500 base pair bands have increased intensity to serve as quick reference points. Approximated mass of each DNA band is provided (for a loading size of 5 μl of the DNA ladder) for approximating the mass of DNA in comparably intense DNA samples of similar size.

Safe-Green 100bp Opti-DNA Marker

MBS8580104-05mL 0.5mL
EUR 180

Safe-Green 100bp Opti-DNA Marker

MBS8580104-5x05mL 5x0.5mL
EUR 665

Homogeniser Safe Seal 10ml PTFE - EACH

HOM3502 EACH
EUR 162

Homogeniser Safe Seal 30ml PTFE - EACH

HOM3506 EACH
EUR 176.85

Safe Red {安全核酸染料}

RM19009 2500μL
EUR 69

Safe Green{安全核酸染料}

RM19008 2500μL
EUR 69

SmartGlow™ Safe Green Pre Stain, 1.0ml

E4500-PS 1 PC
EUR 124.95

Safe-Green™ 1kb Opti-DNA Marker

E36G474 500 μl/100 loads
EUR 85.71

Microscope Slide Box 25 ULT safe - EACH

MIC4092 EACH
EUR 21.79

Reagent pack

A11-100 1 unit
EUR 123

RFP/GFP Safe-Harbor HEK293 Cell Line

78581 2 vials
EUR 1550
Description: Recombinant stable HEK293 cell line constitutively expressing RFP (Red Fluorescent Protein) and GFP (Green Fluorescent Protein), which have been stably integrated into the AAVS1 safe harbor locus on chromosome 19._x000D_Expression of RFP is driven by a CMV promoter, whereas GFP is driven by an EF1A promoter. The combined DNA fragment (CMV-RFP-bGH Poly A-EF1A-GFP-T2A-Puro-SV40 Poly A) (Figure 1) was integrated at the AAVS1 safe harbor locus using CRISPR/Cas9 technology. Cells were cloned by limiting dilution to obtain a monoclonal population.  Without the adverse effects resulting from random integrations of RFP-GFP into the HEK293 genome, this cell line behaves like parental HEK293 cells.

Safe-Green™ 100bp Opti-DNA Marker

E36G473 500 μl/100 loads
EUR 85.71

1.5ml Safe Lock Forensic Grade Tube - PK500

E0030123611 PK500
EUR 36.45

Safe-Green™ 2X PCR Taq MasterMix

G472 5.0 ml (200 Rxns)
EUR 127.2

50ml Black L/Safe Centrifuge Tube - PK50

TB5000 PK50
EUR 118.97

ClearBand SAFE DNA Gel Stain Solution (20000x)

SDGS1 1 ml
EUR 27.5
Description: ClearBand SAFE DNA Gel Stain Solution, 20,000x, is an aqueous fluorescent nucleic acid gel stain as a safer alternative to traditional ethidium bromide (EtBr) to be used at 1x concentration in agarose or polyacrylamide gels. One vial (1 ml) of ClearBand SAFE DNA Gel Stain Solution, 20,000x, can be used to prepare at least 200 precast mini gels. ClearBand SAFE DNA Gel Stain Solution, 20,000x is compatible with downstream applications including gel extraction and cloning. Safety: No toxicity, no mutagenicity and no carcinogenicity. Eco-friendly: Safe to dispose in the drain. No hazard wastes. Affordable: Low cost. An affordable alternative to competing dyes. Compatibility: Compatible with instruments that are suitable for detection of gels with EtBr. Suitable for blue LED detection.

Hi-SYBr Safe Gel Stain (10,000X in DMSO

ML053-100MCL 1 unit
EUR 14.35
Description: Hi-SYBr Safe Gel Stain (10,000X in DMSO

Hi-SYBr Safe Gel Stain (10,000X in DMSO

ML053-500MCL 1 unit
EUR 65.21
Description: Hi-SYBr Safe Gel Stain (10,000X in DMSO

Eppendorf safe-lock microtubes 1.5ml bio - EACH

Z317217-100EA EACH
EUR 42.74

Eppendorf safe-lock microtubes 2.0ml bio - EACH

Z317225-100EA EACH
EUR 55.81

Protein Safe Soft tissue homogenizing CK14 - PK50

HOM1076 PK50
EUR 375.3

Safe E-Red DNA Gel Staining Solution(1000x)

S1002-001 1ml
EUR 133.2

Safe E-Red DNA Gel Staining Solution(1000x)

S1002-005 5x1ml
EUR 271.2

Safe E-Red DNA Gel Staining Solution(1000x)

S1002-010 10ml
EUR 360

Safe E-Red DNA Gel Staining Solution(1000x)

S1002-020 20ml
EUR 595.2

Geliteâ„¢ Safe DNA Gel Stain *10,000X DMSO Solution*

17704 100 ul
EUR 81
Description: AAT Bioquest is committed to designing our products to be environment-friendly.

Geliteâ„¢ Safe DNA Gel Stain *10,000X DMSO Solution*

17704-100ul 100 ul
EUR 79
Description: AAT Bioquest is committed to designing our products to be environment-friendly.

Geliteâ„¢ Safe DNA Gel Stain *10,000X DMSO Solution*

17705 500 ul
EUR 101
Description: AAT Bioquest is committed to designing our products to be environment-friendly.

Geliteâ„¢ Safe DNA Gel Stain *10,000X DMSO Solution*

17705-500ul 500 ul
EUR 99
Description: AAT Bioquest is committed to designing our products to be environment-friendly.

Geliteâ„¢ Safe DNA Gel Stain *10,000X DMSO Solution*

17706 1 ml
EUR 155
Description: AAT Bioquest is committed to designing our products to be environment-friendly.

Geliteâ„¢ Safe DNA Gel Stain *10,000X DMSO Solution*

17706-1ml 1 ml
EUR 151
Description: AAT Bioquest is committed to designing our products to be environment-friendly.

Geliteâ„¢ Safe DNA Gel Stain *10,000X DMSO Solution*

17707 10 ml
EUR 1009
Description: AAT Bioquest is committed to designing our products to be environment-friendly.

Geliteâ„¢ Safe DNA Gel Stain *10,000X DMSO Solution*

17707-10ml 10 ml
EUR 989
Description: AAT Bioquest is committed to designing our products to be environment-friendly.

Sterile Microcentrifuge Tube 1.5mL (Eppendorf Safe-Lock)

TUBE1EP5-S 500box
EUR 193.2
Description: Eppendorf® Safe-Lock™ 1.5 mL snap-cap tubes for microcentrifuge style Bullet Blenders. Sterile, RNase & DNase free.

Sterile Microcentrifuge Tube 2.0mL (Eppendorf Safe-Lock)

TUBE2EP-S 500box
EUR 195.6
Description: Eppendorf® Safe-Lock™ 2 mL snap-cap tubes for regular and Blue model snap cap Bullet Blenders. Sterile, RNase & DNase free.

Geliteâ„¢ Safe DNA Gel Stain *10,000X Water Solution*

17700 100 ul
EUR 81
Description: AAT Bioquest is committed to designing our products to be environment-friendly.

Geliteâ„¢ Safe DNA Gel Stain *10,000X Water Solution*

17700-100ul 100 ul
EUR 79
Description: AAT Bioquest is committed to designing our products to be environment-friendly.

Geliteâ„¢ Safe DNA Gel Stain *10,000X Water Solution*

17701-500ul 500 ul
EUR 99
Description: AAT Bioquest is committed to designing our products to be environment-friendly.

Geliteâ„¢ Safe DNA Gel Stain *10,000X Water Solution*

17702 1 ml
EUR 155
Description: AAT Bioquest is committed to designing our products to be environment-friendly.

Geliteâ„¢ Safe DNA Gel Stain *10,000X Water Solution*

17702-1ml 1 ml
EUR 151
Description: AAT Bioquest is committed to designing our products to be environment-friendly.

Geliteâ„¢ Safe DNA Gel Stain *10,000X Water Solution*

17703-10ml 10 ml
EUR 989
Description: AAT Bioquest is committed to designing our products to be environment-friendly.

0.2ml Adapter pack

C1008-A2-9 1 PC
EUR 475.15

ICE PACK - MAGELIN

IB92080 -
EUR 42.64

Pack-Easy Cells

E-511 Vial
EUR 450

PTcon SAMPLE PACK

C2125 5EA
EUR 32.34

mini cooling pack

EVS1100-COOL ea
EUR 57.6

maxi cooling pack

EVS1300-COOL ea
EUR 98.4

Eppendorf Safe-Lock micro test tubes 0.5ml - PK500

E0030121023 PK500
EUR 58.05

Safe-Green™ 2X PCR Bestaq™ MasterMix

G478 5.0 ml (200 Rxns)
EUR 212.4

CryoSleeve (12/pack)

M-CC-305 12 SLEEVES
EUR 21
Description: CryoSleeve (12/pack)

Eppendorf Safe-Lock micro test tubes 1.5ml - PK1000

E0030120086 PK1000
EUR 59.4

Eppendorf Safe-Lock micro test tubes 2.0ml - PK1000

E0030120094 PK1000
EUR 81

Spatulas (Large Pack)

SPAT1 50pack
EUR 361.2
Description: Individually wrapped spatulas. RNase/DNase free, non-pyrogenic, antistatic, sterile, plastic. Pack of 50.

Spatulas (Small Pack)

SPAT2 10pack
EUR 159.6
Description: Individually wrapped spatulas. RNase/DNase free, non-pyrogenic, antistatic, sterile, plastic. Pack of 10.

FlashGel Device Pack

LO57062 each
EUR 2738.34

FlashGel Camera Pack

LO57065 each
EUR 1969.16

Protein Safe Hard tissue homogenizing CK28-R - PK50

HOM1074 PK50
EUR 461.7

Sanitisation pack - EACH

WAT2432 EACH
EUR 160.1

SelectaLyte Reagent Pack

A11-100-1 1 unit Ask for price

Endure purification pack

WAT2435 EACH
EUR 671.76

SmartGlow™ Loading Dye with Safe Green Stain, 1.0ml

E4500-LD 1 PC
EUR 124.95

Replacement generator pack, 5mm x 50mm for microtubes, pack of 5

D1000-M5 5/pk
EUR 670

Non-Sterile Microcentrifuge Tube 1.5mL (Eppendorf Safe-Lock)

TUBE1EP5 500box
EUR 166.8
Description: Eppendorf® Safe-Lock™ 1.5 mL snap-cap tubes for microcentrifuge style Bullet Blenders. Non-sterile.

Non-Sterile Microcentrifuge Tube 2.0mL (Eppendorf Safe-Lock)

TUBE2EP 500box
EUR 169.2
Description: Eppendorf® Safe-Lock™ 2 mL snap-cap tubes for regular and Blue model snap cap Bullet Blenders. Non-sterile.

Eppendorf Safe-Lock micro test tubes 0.5ml red - PK500

E0030121120 PK500
EUR 78.3

FI load pack - EACH

FILPAK0A1 EACH
EUR 1177.98

D1 Pack Elga - EACH

LC117 EACH
EUR 282.01

Eppendorf Safe-Lock micro test tubes 1.5ml red - PK1000

E0030120167 PK1000
EUR 82.35

Eppendorf Safe-Lock micro test tubes 2.0ml red - PK1000

E0030120213 PK1000
EUR 108

Eppendorf Safe-Lock micro test tubes 0.5ml blue - PK500

E0030121139 PK500
EUR 78.3

COMPACT SAFE PADLOCK 25MM SHA KD RED/6 AO LOTO

814116 Box of 6 Piece(s)
EUR 93.95
Description: Description Dutch: Veiligheidssloten – Compact; Description French: Cadenas de sécurité — compacts

COMPACT SAFE PADLOCK 25MM SHA KD YEL/6 AO LOTO

814117 Box of 6 Piece(s)
EUR 93.95
Description: Description Dutch: Brady Compact-veiligheidshangsloten met beugel van 25 mm – Keyed Different; Description French: Cadenas de sécurité compacts Brady avec arceau 25 mm, dotés de clés différentes

COMPACT SAFE PADLOCK 25MM SHA KD ORG/6 AO LOTO

814119 Box of 6 Piece(s)
EUR 93.95
Description: Description Dutch: Brady Compact-veiligheidshangsloten met beugel van 25 mm – Keyed Different; Description French: Cadenas de sécurité compacts Brady avec arceau 25 mm, dotés de clés différentes

COMPACT SAFE PADLOCK 38MM SHA KD RED/6 AO LOTO

814126 Box of 6 Piece(s)
EUR 97.67
Description: Description Dutch: Veiligheidssloten – Compact; Description French: Cadenas de sécurité — compacts

COMPACT SAFE PADLOCK 38MM SHA KD YEL/6 AO LOTO

814127 Box of 6 Piece(s)
EUR 97.67
Description: Description Dutch: Brady Compact-veiligheidshangsloten met beugel van 38 mm – Keyed Different; Description French: Cadenas de sécurité compacts Brady avec arceau 38 mm, dotés de clés différentes

COMPACT SAFE PADLOCK 38MM SHA KD ORG/6 AO LOTO

814129 Box of 6 Piece(s)
EUR 97.67
Description: Description Dutch: Brady Compact-veiligheidshangsloten met beugel van 38 mm – Keyed Different; Description French: Cadenas de sécurité compacts Brady avec arceau 38 mm, dotés de clés différentes

COMPACT SAFE PADLOCK 50MM SHA KD RED/6 AO LOTO

814136 Box of 6 Piece(s)
EUR 101.37
Description: Description Dutch: Veiligheidssloten – Compact; Description French: Cadenas de sécurité — compacts

COMPACT SAFE PADLOCK 50MM SHA KD YEL/6 AO LOTO

814137 Box of 6 Piece(s)
EUR 101.37
Description: Description Dutch: Brady Compact-veiligheidshangsloten met beugel van 50 mm – Keyed Different; Description French: Cadenas de sécurité compacts Brady avec arceau 50 mm, dotés de clés différentes

COMPACT SAFE PADLOCK 50MM SHA KD ORG/6 AO LOTO

814139 Box of 6 Piece(s)
EUR 101.37
Description: Description Dutch: Brady Compact-veiligheidshangsloten met beugel van 50 mm – Keyed Different; Description French: Cadenas de sécurité compacts Brady avec arceau 50 mm, dotés de clés différentes

COMPACT SAFE PADLOCK 75MM SHA KD RED/6 AO LOTO

814146 Box of 6 Piece(s)
EUR 105.06
Description: Description Dutch: Veiligheidssloten – Compact; Description French: Cadenas de sécurité — compacts

COMPACT SAFE PADLOCK 75MM SHA KD YEL/6 AO LOTO

814147 Box of 6 Piece(s)
EUR 105.06
Description: Description Dutch: Brady Compact-veiligheidshangsloten met beugel van 75 mm – Keyed Different; Description French: Cadenas de sécurité compacts Brady avec arceau 75 mm, dotés de clés différentes

COMPACT SAFE PADLOCK 75MM SHA KD ORG/6 AO LOTO

814149 Box of 6 Piece(s)
EUR 105.06
Description: Description Dutch: Brady Compact-veiligheidshangsloten met beugel van 75 mm – Keyed Different; Description French: Cadenas de sécurité compacts Brady avec arceau 75 mm, dotés de clés différentes

Eppendorf Safe-Lock micro test tubes 1.5ml blue - PK1000

E0030120175 PK1000
EUR 82.35

Eppendorf Safe-Lock micro test tubes 2.0ml blue - PK1000

E0030120221 PK1000
EUR 108

Eppendorf Safe-Lock micro test tubes 0.5ml green - PK500

E0030121147 PK500
EUR 78.3

Eppendorf Safe-Lock micro test tubes 0.5ml amber - PK500

E0030121155 PK500
EUR 83.7

assisted disposable sensors for quantitative willpower of

A way for willpower of arsenic is described. The sensor was constructed by immobilizing reagents on TLC (skinny layer chromatography) paper. The response is predicated on chromogenic response of arsenic with a coupling advanced of sulfanilic acid and N-(1-naphthyl) ethylene diamine dihydrochloride (NEDA) and formation of purple to magenta spots adopted by scanner primarily based detection. Modifications in RGB values of colour spots on TLC strips create a sample.

The obtained sample was analyzed utilizing MATLAB software program. The proposed sensor is linear within the vary 1-10 and 25-100 μg mL -1. The minimal detection restrict discovered was 0.018 μg mL-1of arsenic.

One-step conversion of to its utilizing salts for GC-MSdetection of bacterial endospores

Methyl sulfate (MeSO4-) salts have been explored as thermochemolysis-methylation (TCM) reagents for fuel chromatographic (GC) evaluation of dipicolinic acid (DPA) as its dimethyl ester (Me2DPA) from bacterial endospores. The response was carried out below non-pyrolytic situations by inserting a small coiled wire filament coated with the pattern and reagents straight inside a GC injection port at 290 °C. Above 10 : 1 methyl donor/DPA ratios, alkali steel salts of MeSO4- effected 80-90% conversion of DPA to Me2DPA, which was 10-20 occasions extra energetic than the identical quantity of tetramethylammonium hydroxide (TMA-OH) at this temperature.

A quaternary salt combination consisting of 1 : 3 : 1 : Three TMA+/Na+/OH-/MeSO4- methylated spore DPA with a median conversion of 86% (imply conversion by TMA-OH below the identical situations was 4%). Due to this fact, the sensitivity for detection of bacterial endospores was elevated over 20-fold in comparison with that noticed with the extra generally employed TMA-OH methylating reagent. The restrict of detection by this technique was 9 × 104 whole spores. Mechanisms describing the noticed conduct are proposed and mentioned. That is the primary use of MeSO4- as a TCM reagent for GC.

Progress in direction of the characterisation of faecal compounds

Intestinal nitrosation produces ATNCs (Obvious Whole N-nitroso Compounds) and these have been linked with an elevated threat of colon most cancers from consuming pink meat. Fashionable LC-MS instrumentation makes direct detection of ATNC elements in faecal water a chance.

The issue is in figuring out which of the numerous compounds current are N-nitrosamines earlier than embarking on efforts to characterise them. We now have assumed that any in vivo nitrosation of alimentary tract contents shall be non-specific and depend upon the quantity and basicity of amine current, with focus of nitrosating agent being the limiting issue.

By additional nitrosating faecal waters (and ileostomy fluids) we will improve the quantity of ATNC and readily entry these compounds. The quantity and the variety of nitrosamines generated depend upon the focus of particular person amines current. By derivatisation individually utilizing each 14N and 15N labelled nitrite, we demonstrated that inspecting chromatograms in parallel for a unit mass distinction supplies a novel and practicable means for figuring out unknown ATNC in faecal and ileostomy samples.

MS procedures have been linked with the normal approaches of thermal power analyser (TEA), preparative HPLC, visualisation of nitrosamines with Griess reagent and degradation of N-nitroso compounds by UV irradiation. We now have demonstrated that this method is repeatable and have used it to determine 30 putative N-nitroso compounds (as protonated mum or dad plenty [M + H]+ at: 242, 258, 312, 313, 333, 348, 365, 377, 382, 386, 392, 412, 414, 421, 434, 442, 466, 467, 483, 493, 572, 582, 625, 636, 637, 656, 662, 752, 808, and 870.  

COMPACT SAFE PADLOCK 50MM SHA KD GREEN/6 AO LOTO

814138 Box of 6 Piece(s)
EUR 101.37
Description: Description Dutch: Brady Compact-veiligheidshangsloten met beugel van 50 mm – Keyed Different; Description French: Cadenas de sécurité compacts Brady avec arceau 50 mm, dotés de clés différentes

COMPACT SAFE PADLOCK 75MM SHA KD GREEN/6 AO LOTO

814148 Box of 6 Piece(s)
EUR 105.06
Description: Description Dutch: Brady Compact-veiligheidshangsloten met beugel van 75 mm – Keyed Different; Description French: Cadenas de sécurité compacts Brady avec arceau 75 mm, dotés de clés différentes

Eppendorf Safe-Lock micro test tubes 0.5ml green - PK500

E0030121147 PK500
EUR 78.3

Eppendorf Safe-Lock micro test tubes 1.5ml green - PK1000

E0030120183 PK1000
EUR 82.35

Eppendorf Safe-Lock micro test tubes 2.0ml green - PK1000

E0030120230 PK1000
EUR 108

Safe-Green

E36G108-G 1.0 ml
EUR 35.71

Safe-Green

G108 1.0 ml
EUR 45
Description: Safe-Green™ is a new and safe nucleic acid stain for the visualization of nucleic acids in agarose and polyacrylamide gels. This dye eliminates the need for toxic Ethidium Bromide (EtBr, a potent mutagen), commonly used in gel electrophoresis.

Safe-Green

G108-G 1.0 ml
EUR 45
Description: Safe-Green™ is a new and safe nucleic acid stain for the visualization of nucleic acids in agarose and polyacrylamide gels. This dye eliminates the need for toxic Ethidium Bromide (EtBr, a potent mutagen), commonly used in gel electrophoresis.

Safe-Green

MBS8580071-1mL 1mL
EUR 135

Safe-Green

MBS8580071-5x1mL 5x1mL
EUR 455

SafeDye Green Stain (20000X in Water)

21156 100 mcl
EUR 59.27
Description: Part E

SafeDye Green Stain (20000X in Water)

21156-1 500 mcl
EUR 242.47
Description: Part E

SafeDye Green Stain (20000X in Water)

21156-2 1 ml
EUR 431.05
Description: Part E

Safe-Green 1kb Opti-DNA Marker

G474 500 μl/100 loads
EUR 70
Description: Safe-Green™ Opti-DNA Markers contain Safe-Green™ DNA stain which is a non-toxic and efficient alternative DNA visualizing agent to the carcinogenic ethidium bromide (EB). The brightness of Safe-Green™ Opti-DNA Markers is optimized for compatible and proper camera exposure in applications along with PCR products generated from abm’s Safe-Green™ 2X PCR MasterMixes as well as from any other SYBR Green-alike-based PCR amplification. To use Safe-Green™ Opti-DNA Markers, simply load 5 ul of the marker onto a plain gel and perform electrophoresis along with samples; Visualize the gel using an UV light source. Safe-Green™ has an excitation maximum at 495 nm and an emission maximum at 520 nm.

PCR products and double-stranded DNA were digested with appropriate restriction enzymes to completion to yield 19 bands, ranging from 100 pb – 10 kb, for molecular weight standards in agarose gel electrophoresis. The 500, 1,500, and 3,000 base pair bands have increased intensity to serve as quick reference points. Approximated mass of each DNA band is provided (for a loading size of 5 μl of the DNA ladder) for approximating the mass of DNA in comparably intense DNA samples of similar size.

Safe-Green 1kb Opti-DNA Marker

MBS8580105-05mL 0.5mL
EUR 180

Safe-Green 1kb Opti-DNA Marker

MBS8580105-5x05mL 5x0.5mL
EUR 665

Safe-Green 100bp Opti-DNA Marker

G473 500 μl/100 loads
EUR 70
Description: Safe-Green™ Opti-DNA Markers contain Safe-Green™ DNA stain which is a non-toxic and efficient alternative DNA visualizing agent to the carcinogenic ethidium bromide (EB). The brightness of Safe-Green™ Opti-DNA Markers is optimized for compatible and proper camera exposure in applications along with PCR products generated from abm’s Safe-Green™ 2X PCR MasterMixes as well as from any other SYBR Green-alike-based PCR amplification. To use Safe-Green™ Opti-DNA Markers, simply load 5 ul of the marker onto a plain gel and perform electrophoresis along with samples; Visualize the gel using an UV light source. Safe-Green™ has an excitation maximum at 495 nm and an emission maximum at 520 nm.

PCR products and double-stranded DNA were digested with appropriate restriction enzymes to completion to yield 17 bands, ranging from 50 pb – 1.5 kb, for molecular weight standards in agarose gel electrophoresis. The 200 and 500 base pair bands have increased intensity to serve as quick reference points. Approximated mass of each DNA band is provided (for a loading size of 5 μl of the DNA ladder) for approximating the mass of DNA in comparably intense DNA samples of similar size.

Safe-Green 100bp Opti-DNA Marker

MBS8580104-05mL 0.5mL
EUR 180

Safe-Green 100bp Opti-DNA Marker

MBS8580104-5x05mL 5x0.5mL
EUR 665

SAFETY LOCK & TAG CARRIER - GREEN AO LOTO

148861 Kit of 1 Kit
EUR 23.19
Description: Description Dutch: Drager voor veiligheidssloten en tags – groen; Description French: Poignée porte-cadenas et étiquettes – Vert

Full Safety Green wellington Boots Size 3 - PR

SAF7684 PR
EUR 41.57

Full Safety Green wellington Boots Size 4 - PR

SAF7686 PR
EUR 41.57

Full Safety Green wellington Boots Size 5 - PR

SAF7688 PR
EUR 41.57

Full Safety Green wellington Boots Size 6 - PR

SAF7708 PR
EUR 41.57

Full Safety Green wellington Boots Size 7 - PR

SAF7712 PR
EUR 41.57

Full Safety Green wellington Boots Size 8 - PR

SAF7714 PR
EUR 41.57

Full Safety Green wellington Boots Size 9 - PR

SAF7716 PR
EUR 41.57

Full Safety Green wellington Boots Size 10 - PR

SAF7718 PR
EUR 41.57

Full Safety Green wellington Boots Size 11 - PR

SAF7720 PR
EUR 41.57

Full Safety Green wellington Boots Size 12 - PR

SAF7722 PR
EUR 41.57

Full Safety Green wellington Boots Size 13 - PR

SAF7724 PR
EUR 41.57

Safe-Green™ 1kb Opti-DNA Marker

E36G474 500 μl/100 loads
EUR 85.71

Safe-Green™ 100bp Opti-DNA Marker

E36G473 500 μl/100 loads
EUR 85.71

Safe-Green™ 2X PCR Taq MasterMix

G472 5.0 ml (200 Rxns)
EUR 127.2

Safety Glasses Rush+ Smoke PC lens - grey/green - EACH

SAF1882 EACH
EUR 21.2

safePort? O-ring cap, LP, GREEN, sterile, 500 pcs/pk

505G-11pk each
EUR 115.2

safePort? O-ring cap, HP, GREEN, sterile, 500 pcs/pk

502G-11pk each
EUR 115.2

safePort Oring loop cap,HP, GREEN, sterile, 500 pcs/pk

501G 11pk
EUR 41.49

safePort Oring loop cap,HP, GREEN, sterile, 500 pcs/pk

501G-11pk each
EUR 117.6

safePort™ O-ring cap, LP, GREEN, sterile, 500 pcs/pk

505G 11pk
EUR 40.31

safePort™ O-ring cap, HP, GREEN, sterile, 500 pcs/pk

502G 11pk
EUR 40.31

SafeStore Storage Box for 36 x 15 mL tubes, Green (12)

WB8302 each
EUR 207.1

SafeGlow Green DNA Gel Staining Solution(10,000X) In Water

S1002-025 250ul
EUR 82

SafeGlow Green DNA Gel Staining Solution(10,000X) In Water

S1002-050 2x250ul
EUR 123

SafeGlow Green DNA Gel Staining Solution(10,000X) In Water

S1002-100 1ml
EUR 205

SafeGlow Green DNA Gel Staining Solution(10,000X) In Water

S1002-500 5x1ml
EUR 990

safePort? O-ring loop cap, LP, GREEN, sterile, 500 pcs/pk

504G-11pk each
EUR 117.6

safePort™ O-ring loop cap, LP, GREEN, sterile, 500 pcs/pk

504G 11pk
EUR 41.49

safePort? instert for HP clear cap, GREEN, sterile, 500 pcs/pk

503G-12pk each
EUR 84

Safe-Green™ 2X PCR Bestaq™ MasterMix

G478 5.0 ml (200 Rxns)
EUR 212.4

safePort™ instert for HP clear cap, GREEN, sterile, 500 pcs/pk

503G 12pk
EUR 17.78

Fast Green FCF (Food Green 3), 85%

60339 5 Gms
EUR 3
Description: Part B

Safe-Red

E36G108-R 1.0 ml
EUR 35.71

Safe-Red

G108-R 1.0 ml
EUR 50
Description: Safe-Red is a new and safe nucleic acid stain for the visualization of nucleic acids in agarose and polyacrylamide gels. This dye eliminates the need for toxic Ethidium Bromide (EtBr, a potent mutagen), commonly used in gel electrophoresis.

Safe-Red

MBS8580070-1mL 1mL
EUR 135

Safe-Red

MBS8580070-5x1mL 5x1mL
EUR 455

Safe-Pack

E36G108-P G108-W,G,R
EUR 100

Safe-Pack

MBS8580072-INQUIRE INQUIRE Ask for price

Safe-White

E36G108-W 1.0 ml
EUR 35.71

Safe-White

G108-W 1.0 ml Ask for price
Description: Safe-White is a new and safe nucleic acid stain for the visualization of nucleic acids in agarose and polyacrylamide gels. This dye eliminates the need for toxic Ethidium Bromide (EtBr, a potent mutagen), commonly used in gel electrophoresis.

Safe-White

MBS8580069-1mL 1mL
EUR 135

Safe-White

MBS8580069-5x1mL 5x1mL
EUR 455

Azlon LDPE Wide Mouth Wash Bottle Driplok Safety Venting Blank Green PP Closure 500mL - PK5

BOT9160 PK5
EUR 36.45

Green CMFDA

GW6492 1mg
EUR 3224.31

Green CMFDA

G783003 10mg
EUR 3000
Description: 136832-63-8

Green CMFDA

GW6492-1 1
EUR 252.7

Green CMFDA

GW6492-25 25
EUR 3056

Green CMFDA

GW6492-5 5
EUR 895.4

Janus green

T32264-10mg 10mg Ask for price
Description: Janus green

Janus green

T32264-1g 1g Ask for price
Description: Janus green

Janus green

T32264-1mg 1mg Ask for price
Description: Janus green

Janus green

T32264-50mg 50mg Ask for price
Description: Janus green

Janus green

T32264-5mg 5mg Ask for price
Description: Janus green

Janus green

MBS5781841-INQUIRE INQUIRE Ask for price

Green CMFDA

HY-126561 1 mg
EUR 568.19
Description: Green CMFDA is a cell-permeable fluorescent probe with Em of 514 nm and Ex of 485 nm and can be used as a cell tracer. Green CMFDA can be cleaved by non-specific esterases common in living cells, producing a fluorescent compound, fluorescein, visible using a fluorescent microscope[1].

Methyl Green

22632-34 10G
EUR 79.1

Sirius Green

S03682 25G
EUR 302.9

Methyl Green

AR-6526-01 15 ml
EUR 40.6

Methyl Green

AR-6526-02 100 ml
EUR 79.65

Methyl Green

AR-6526-50 50 ml
EUR 63.7

Protonexâ„¢ Green 500

21215-1mg 1 mg
EUR 222
Description: Protonex™ Green dye demonstrated pH-dependent fluorescence.

Protonexâ„¢ Green 500WS

21218-1mg 1 mg
EUR 222
Description: Protonex™ Green dye demonstrated pH-dependent fluorescence.

Malachite green

591088 25.0mg
EUR 300

Brilliant Green

05433-32 25G
EUR 22.05

PhosLiteâ„¢ Green

11630 1 mg
EUR 227
Description: This water-soluble PhosLite™ Green substrate generates a bright and photostable yellow-green fluorescent precipitate at the site of phosphtase activity.

PhosLiteâ„¢ Green

11630-1mg 1 mg
EUR 222
Description: This water-soluble PhosLite™ Green substrate generates a bright and photostable yellow-green fluorescent precipitate at the site of phosphtase activity.

Thioliteâ„¢ Green

21508-5mg 5 mg
EUR 334
Description: Thiolite™ Green is one of the most sensitive sensors for measuring thiol compounds.

Brilliant Green

21770007-1 100 mL
EUR 69.54

Brilliant Green

21770007-2 500 mL
EUR 107.06

Brilliant Green

21770007-3 1 L
EUR 172.95

Brilliant Green

21770007-4 4 L
EUR 317.99

CytoTellâ„¢ Green

22253-500Tests 500 Tests
EUR 109
Description: Flow cytometry combined with fluorescence staining is a powerful tool to analyze heterogeneous cell populations.

CytoTellâ„¢ Green

22254-2x500Tests 2x500 Tests
EUR 166
Description: Flow cytometry combined with fluorescence staining is a powerful tool to analyze heterogeneous cell populations.

Dropliteâ„¢ Green

22729-100Tests 100 Tests
EUR 195
Description: Dropliteâ„¢ Green, developed by AAT Bioquest, is a green fluorescent dye with an extremely high affinity for LDs and minimal cell toxicity.

Brilliant green

BB0242 25g
EUR 67.31

Brilliant Green

B677415 10g
EUR 68
Description: 633-03-4

Malachite green

AT060 1mg
EUR 2148

Brilliant Green

A4154-100G 100G
EUR 52.8
Description: Biotechnology

Brilliant Green

A4154-10G 10G
EUR 15.4
Description: Biotechnology

Brilliant Green

A4154-25G 25G
EUR 22
Description: Biotechnology

Malachite green

AG060 1 mg
EUR 627.6

Brilliant Green

49617 25 Gms
EUR 1.64
Description: Part A

Toluidine Green

T34899-10mg 10mg Ask for price
Description: Toluidine Green

Toluidine Green

T34899-1g 1g Ask for price
Description: Toluidine Green

Toluidine Green

T34899-1mg 1mg Ask for price
Description: Toluidine Green

Toluidine Green

T34899-50mg 50mg Ask for price
Description: Toluidine Green

Toluidine Green

T34899-5mg 5mg Ask for price
Description: Toluidine Green

Malachite green

T20019-10mg 10mg Ask for price
Description: Malachite green

Malachite green

T20019-1g 1g Ask for price
Description: Malachite green

Malachite green

T20019-1mg 1mg Ask for price
Description: Malachite green

Malachite green

T20019-50mg 50mg Ask for price
Description: Malachite green

Malachite green

T20019-5mg 5mg Ask for price
Description: Malachite green

Toluidine Green

MBS5796752-5mg 5(mg
EUR 915

Toluidine Green

MBS5796752-5x5mg 5x5(mg
EUR 3970

Malachite Green

MBS8564772-01mL 0.1mL
EUR 345

Malachite Green

MBS8564772-01mLAF405L 0.1mL(AF405L)
EUR 565

Malachite Green

MBS8564772-01mLAF405S 0.1mL(AF405S)
EUR 565

Malachite Green

MBS8564772-01mLAF610 0.1mL(AF610)
EUR 565

Malachite Green

MBS8564772-01mLAF635 0.1mL(AF635)
EUR 565

Malachite green

MBS5756301-10mg 10mg
EUR 210

Malachite green

MBS5756301-25mg 25mg
EUR 285

Malachite green

MBS5756301-2mg 2mg
EUR 155

Malachite green

MBS5756301-50mg 50mg
EUR 390

Malachite green

MBS5756301-5mg 5mg
EUR 175

Safe-Red Gel

G680 1.0 ml
EUR 85
Description: abm’s Safe-Red™ Gel is a safe, improved formulation of nucleic acid stain for agarose gel electrophoresis.

LysoBriteâ„¢ Green

22643-500Tests 500 Tests
EUR 166
Description: Lysosomes are cellular organelles which contain acid hydrolase enzymes to break up waste materials and cellular debris.

Bromcresol green

464074 10.0mg Ask for price

Methyl Green (C.I. 42585)

GT7495 5g
EUR 151.9

Methyl Green (C.I. 42585)

GT7495-100 100
EUR 166

Methyl Green (C.I. 42585)

GT7495-100G 100 g
EUR 237.6

Methyl Green (C.I. 42585)

GT7495-25 25
EUR 63.3

Methyl Green (C.I. 42585)

GT7495-25G 25 g
EUR 112.8

Methyl Green (C.I. 42585)

GT7495-5 5
EUR 23.8

Methyl Green (C.I. 42585)

GT7495-5G 5 g
EUR 64.8

Bromocresol Green

05610-02 25G
EUR 122.5

Bromocresol Green

05610-31 1G
EUR 17.5

Indocyanine green

08263-50 50mg
EUR 161
Description: 3599-32-4

Indocyanine Green

328715 200.0mg
EUR 450

Bromocresol Green

40240008-1 25 g
EUR 70.82

Bromocresol Green

40240008-2 50 g
EUR 116.15

Bromocresol Green

40240008-3 5 g
EUR 34.22

Bromocresol green

20-abx186394
  • Ask for price
  • Ask for price
  • 100 g
  • 25 g

Bromocresol Green

B20010 5G
EUR 212.85

Bromocresol Green

B683333 10g
EUR 58
Description: 76-60-8

Bromocresol Green

GT4023 5g
EUR 72.46

Indocyanine green

I01250 10G
EUR 612.37

Bromocresol Green

GT4023-25 25
EUR 79.1

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