Supporting Information
|
|
- Cuthbert Rogers
- 8 years ago
- Views:
Transcription
1 Supporting Information Wiley-VCH Weinheim, Germany
2 DNA minicircles with gaps for versatile functionalization** Goran Rasched, Damian Ackermann, Thorsten L. Schmidt, Peter Broekmann, Alexander Heckel and Michael Famulok * SUPPORTING INFORMATION Synthesis of the anthracene-functionalized 2 -desoxyuridine phosphoramidite (6) Modified oligonucleotides DNA minicircle synthesis by phosphorylation and ligation of oligonucleotides Analysis and purification of DNA minicircles by native gel electrophoresis Nuclease digestion AFM Imaging Calculation of ring size Instrumentation: NMR spectra were recorded on DPX 400 spectrometer from Bruker (Bremen, Germany) operated at Mhz. Chemical shifts were recorded by calibrating the signal of the used solvent to literature values. Couplings were measured with 1D-WinNMR (Bruker) and MestReC (Mestrelab Research). EI-MS spectra were recorded on a Finnigan MAT 95XL (Thermo Finnigan, Germany), FAB-MS spectra were recorded on a Concept 1H (Kratos, Germany), using meta-nitrobenzoicalcohol (mnba) as matrix. HRMS-ESI spectra were measured on a Bruker APEX IV Fourier-Transform Ion-Cyclotron-Resonance (FT-ICR) and LC-MS measurements were performed on an esquire6000 (Bruker) coupled to an Agilent 1100 HPLC System (Agilent Technologies, Böblingen, Germany). TLC analysis was performed on silica Gel F254 plates (Merck, Darmstadt, Germany), spots were visualized by UV light or staining with anisaldehyde/sulfuric acid/acetic acid/ethanol and subsequent heating. If necessary, all reactions were performed under an argon atmosphere and all solvents were dried using standard procedures. 5-Iodo-2 -deoxyuridine was obtained from Pharma-Waldhof, Düsseldorf, Germany. Automated solid-phase oligonucleotide synthesis was performed on an ABI 394 DNA-Synthesizer (Applied Biosystems). Atomic force microscopy (AFM) was conducted in situ (liquid cell) with an PicoScan AFM (former Molecular Imaging Inc. now Agilent Series 4500 SPM, PicoSPM I) using magnetic actuated mode (MAC- Mode). Silicon cantilevers with a thin magnetic coating on the back side were used (MAC Levers Type II, Agilent) purchased from Lot-Oriel GmbH (Darmstad, Germany) with nominal spring constant of 2.8 N/m.
3 Synthesis of the anthracene-functionalized 2 -desoxyuridine phosphoramidite (1) Supplementary Scheme 1. Synthesis of the functionalized desoxuridine phosphoramidite 1 as a substrate for automated DNA solid phase synthesis. a) Pd(Ph 3 ) 4, CuI, Et 3 N, DMF, b) DMTCl, Pyridine, c) aq. NH 3 (33%), MeOH, d) DIPEA, TSTU, Anthracene-9-carbamido-ε-aminocaproic acid, DMF/Dioxan/H 2 O, e) DIPEA, ClP(OCH 2 CH 2 CN)(i- Pr) 2 N, THF. Synthesis of 5-[3-(Trifluoracetyl amino)-prop-1-ynyl]-2 -desoxyuridin 5: 5-Iodo-2 - deoxyuridine (2, 5 g, mmol) was dissolved in DMF (20 ml) and CuI (268.5 mg, 1.41 mmol) was added. The solution was degassed with argon and triethylamine (4 ml, 28.3 mmol), Trifluoro- N-prop-2-ynyl-acetamide (7.6 ml, 70.6 mmol) and Pd(PPh 3 ) 4 (808.9 mg, 0.7 mmol) were added successively. The yellow solution was stirred for 1.5 h at room temperature. Complete conversion of the starting material was detected by RP-TLC (acetonitrile:water, 1:3). The reaction was concentrated to dryness. The residue was dissolved in CH 2 Cl 2 :MeOH (1:1, 25 ml) and anion exchange resin (Amberlite IRA-400, HCO - 3 -form, 1.5 g) was added. The mixture was stirred for 30 min at room temperature, the resin was removed by filtration and the solvent was evaporated in vacuo. The crude mixture was purified by column chromatography on SiO 2 (CH 2 Cl 2 :MeOH, 9:1) to afford 2 (3.37 g, 8.9 mmol, 63% yield) as a pale yellow solid. R f = H-NMR (400.1 MHz, DMSO, d6): δ = (s, 1H, N3-H) (t, 3 J(H,H) = 5.34 Hz, 1H, NHCH 2 ), 8.18 (s, 1H, H-6), 6.09 (t, 3 J(H,H) = 6.64 Hz, 1H, H-1 ), 4.95 (br, 2H, 3 -OH, 5 -OH), (m, 3H, NHCH 2, H- 4 ), 3.78 (m, 1H, H-3 ), (s, 2H, H-5 ), (m, 1H, H-2 ). 13 C-NMR (100.6 MHz, DMSO, d6): δ = (C4), (q, 2 J(C,F) = Hz, CF 3 C=O), (C5), (C6), (q, 1 J(C,F) = Hz, CF 3 ), (C5), (C C), (C4 ), (C1 ), (C C), (C3 ), (C5 ), (C2 ), (NHCH 2 ). MS (FAB): calcd C 14 H 15 F 3 N 3 O 6 [M+H] + = , found (32%).
4 Synthesis of DMT-protected nucleosid 6: Nucleoside 5 (500 mg, 1.33 mmol) was coevaporated with pyridine (3 x 3mL) and thoroughly dried before adding 4,4 -dimethoxytrityl chloride (496 mg, 1.46 mmol) in pyridine (3 ml). After stirring for 15 h at room temperature MeOH is added (10 ml) and the solvents evaporated in vacuo. After additional coevaporation with MeOH (10 ml) the crude product was purified by column chromatography on SiO 2 (CH 2 Cl 2 :MeOH:Et 3 N, 95:4:1) to afford 3 (677 mg, 1 mmol, 75% yield) as a yellowish solid. R f =0.46 (CH 2 Cl 2 :MeOH, 9:1). 1 H-NMR (400.1 MHz, CDCl 3 ): δ = 8.12 (s, 1H, H-6), 7.34 (d, 3 J(H,H) = 7.16 Hz, 2H, Ar), (m, 7H, Ar), 7.13 (t, 3 J(H,H) = 7.14 Hz, 1H, NH), 6.76 (d, 3 J(H,H) = 8.94 Hz, 4H, Ar), (m, 1H, H-1 ), 4.51 (m, 1H, H-3 ), 4.07 (m, 1H, H-4 ), 3.86 (d, 3 J(H,H) = 5.30 Hz, 2H, CH 2 C C), 3.70 (s, 6H, OCH 3 ), 3.29 (s, br, 2H, H-5 ), (m, 1H, H-2 ), 2.24 (m, 1H, H-2 ). 13 C-NMR (100.6 MHz, CD 3 OD): δ = (C4), (C=O), (Ar, q), (C5), (C6), (Ar, q), , , , , , (br, CF 3 ), (C5), (C C), (Ar 3 C-O- 5 ), (C4 ), (C1 ), (C C), (C3 ), (C5 ), (OCH 3, 2C), (C2 ), (NHCH 2 ). MS (FAB): calcd C 35 H 32 F 3 N 3 O 8 [M ] + = , found (32%). Synthesis of anthracene modified nucleosid 4: Nucleoside 6 ( mg, 1.43 mmol) was desolved in MeOH (10 ml) and aq. Ammonia solution (33%, 35 ml) was slowly added while stirring. The solvents were removed in vacuo followed by coevaporation of the residue with MeOH (2 x 20 ml). Intermediate 3 was used in the next reaction step without further purification. Anthracene-9-carbamido-ε-aminocaproic acid ( mg, 1.43 mmol) was dissolved in DMF (3 ml) and DIPEA (0.735 ml, 4.29 mmol). TSTU was added under stirring and after 15 min. a solution of nucleoside 3 (834.6 mg, 1.43 mmol) in DMF (5mL) was added. After stirring for 1 h at room temperature the reaction mixture was evaporated to dryness and the residue purified by column chromatography on SiO 2 (EE:MeOH:Et 3 N, 98:1:1) to afford nucleoside 4 (470 mg, 0.52 mmol, 37% yield) as a yellow foam. R f = H-NMR (400.1 MHz, CDCl 3 ): δ = 8.25 (s, 1H, Anthracene H-10), 7.88 (d, 3 J(H,H) = 8.60 Hz, 2H, Ar Anthracene), 7.82 (s, 1H, H-6), (d, 3 J(H,H) = 8.37 Hz, 2H, Ar Anthracene), (m, 6H, Ar Anthracene/DMT), (m, 6H, Ar Anthracene/DMT), 7.09 (t, 3 J(H,H) = 7.26 Hz, 1H, Phenyl H-6), 6.71 (d, 3 J(H,H) = 8.73 Hz, 4H, Ar DMT), 6.65 (br, 1H, NH), 6.04 (m, 1H, NH, 1H, H-1 ), 4.24 (s, 1H, H-3 ), 3.89 (m, 1H, H-4 ), 3.68 (d, J(H,H) = Hz, 2H, CH 2 C C), 3.63 (s, 6H, OCH 3 ), (m, 2H, CH 2 CH 2 NH), (m, 2H, H-5 ), 2.26 (m, 1H, H-2 ), 1.95 (m, 1H, H-2 ), 1.87 (t, 3 J(H,H) = 7.06 Hz, 1H, NHCOCH 2 ), (m, 2H, CH 2 CH 2 NH), (m, 2H, CH 2 CH 2 CH 2 CH 2 NH), (m, 2H, CH 2 CH 2 CH 2 CH 2 NH). 13 C-NMR (100.6 MHz, CD 3 OD): δ = (C=O), (C=O), (C4), (Ar, q), (C5), (Ar, q), (C6), (Ar, q), (Ar, q), (Ar, q), (Ar, 4C, CH), (Ar, 2C, CH), (Ar, 4C, CH), (Ar, CH), (Ar, CH), (Ar, CH), (Ar, 2C, CH), (Ar, 2C, CH), (Ar, 2C, CH), (Ar, 4C, CH), 99.1 (C5), 89.4 (C C), 86.9 (Ar 3 C-O-5 ), 86.6 (C4 ), 85.8 (C1 ), 74.0 (C C), 71.8 (C3 ), 63,6 (C5 ), 55.3 (OCH 3, 2C), 41.6 (C2 ), 40.0 (CH 2 ), 35.7 (CH 2 ), 29.7 (CH 2 ), 29.2 (CH 2 ), 26.5 (CH 2 ), 25.0 (CH 2 ). MS (FAB): calcd C 54 H 52 N 4 O 9 [M ] + = found (10%).
5 Synthesis of nucleoside phosphoramidite 1: To a solution of nucleoside 4 (470 mg, 0.52 mmol) in dry THF (4 ml) DIPEA was added (0.45 ml, 2.63 mmol) and the reaction mixture was stirred for 10 min at room temperature before dropwise adding of 2-cyanoethyl-N,Ndiisopropylchlorophosphoramidite (0.23 ml, 1.03 mmol). Stirring continued for 1h at room temperature. The reaction was quenched by addinging 5% aq. NaHCO 3 -solution and extracting the organic phase with EE. The organic phase is washed with sat. aq. NaCl-solution and dried over MgSO 4. After removal of the solvents in vacuo the crude mixture was purified by column chromatography on SiO 2 (EE:MeOH:Et 3 N, 94:5:1) to afford the nucleoside phosphoramidite 1 (480 mg, 0.44 mmol, 84% yield) as a yellowish foam. R f = H-NMR (400.1 MHz, CD 3 CN): δ = 8.52 (s, 1H, Anthracene H-10), (m, 4H, Ar Anthracen), 7.86 (d, 3 J(H,H) = Hz, 1H, H-6), (m, 6H, arom. Anthracene/DMT), (m, 6H, Ar Anthracene/DMT), 7.24 (t, 3 J(H,H) = 7.25 Hz, 1H, Phenyl H-6), 7.15 (br, 1H, NH), (m, 4H, Ar DMT), 6.28 (br, 1H, NH), (m, 1H, H-1 ), (m, 1H, H-3 ), (m, 1H, H-4 ), 3.79 (m, 2H, CH 2 C C), 3.76 (s, 3H, OCH 3 ), 3.75 (s, 3H, OCH 3 ), (m, 2H, CH 2 P, 2H, NCH(CH 3 ) 2 ), (m, 2H, CH 2 CH 2 NH), (m, 2H, H-5 ), 2.64 (t, 3 J(H,H) = 5.96 Hz, 1H, NCCH 2 CH 2 OP), 2.53 (t, 3 J(H,H) = 5.96 Hz, 1H, NCCH 2 CH 2 OP), (m, 2H, H-2 ), (m, 2H, NHCOCH 2 ), (m, 2H, CH 2 CH 2 NH), (m, 2H, CH 2 CH 2 CH 2 CH 2 NH), (m, 2H, CH 2 CH 2 CH 2 CH 2 NH), (m, 12H, CH(CH 3 ) 2 ). 13 C-NMR (100.6 MHz, CD 3 CN): δ = , , (C=O), , (C=O), (C4), (Ar, q), (C5), (Ar, q), (C6), , , , , , , , , , , , , , , , , , , (N C), (Ar, 4C, CH), 99.79, (C5), 90.39, (C C), 87.70, (Ar 3 C-O-5 ), 86.65, (C4 ), 86.41, (C1 ), 74.72, (C C), (d, 2 J(C,P) = Hz, C3 ), (d, 2 J(C,P) = Hz, C3 ), 64.23, (C5 ), 59.65, (CH 2 OP), 56.03(OCH 3 ), (OCH 3 ), 44.17, (NCH(CH 3 ) 2 ), 40.78, (C2 ), (CH 2 ), (CH 2 ), 30.00, (CH 2 ), (CH 2 ), (CH 2 ), 24.99, 24.92, (m, 2C, CH 3 ), (m, 2C, CH 3 ) (m, 2C, CH 3 ). 31 P-NMR (162.0 MHz, CD 3 CN): δ = (s). MS (FAB): calcd C 63 H 69 N 6 O 10 P [M ] + = found (12%); calcd C 63 H 69 N 6 O 10 PNa [M+Na] + = found (17%).
6 Modified oligonucleotides: Supplementary Figure 1: Sequence of the oligonucleotide modified with two anthracene moieties (functionalized du derivatives are framed black) Anthracene modified oligonucleotides were prepared by standard phosphoramidite chemistry on low volume polystyrene columns (0.2 µmol scale) using trityl-on mode. The oligomers were cleaved from the solid support and deprotected by addition of 1 ml aq. NH 3 -solution (33%, DNAgrade) and heating at 55 C for 5 h. After removal of the resin and evaporation of the solvents the crude product was dissolved in TEAA-buffer (100 µl, 0.1 M) and purified by RP-HPLC (Agilent 1100 HPLC System, Nucleosil C18 column, CS-Chromatographie Service GmbH, Germany). Flow rate 1.0 ml/min at room temperature was applied. 0.1 M TEAA-buffer was used as mobile phase A and 100% MeCN was used as mobile phase B. The DMT-group was removed by adding 75 µl of aq. acetic acid (80%) to the dry, purified oligomers followed by 25 µl TEAA-buffer (1M) after 20 min. The final oligonucleotide products were obtained after additional purification by RP- HPLC. ESI-MS: calculated [M-H] , found ;
7 Supplementary Figure 2. DNA minicircle synthesis by phosphorylation and ligation of oligonucleotides. The oligonucleotides (200 pmol each, Eurogentec) of the DNA minicircle subunits α and β were phosphorylated together with 20 U of T4 polynucleotide kinase (NEB, New England Biolabs) for 45 min at 37 C in a 50 µl reaction volume containing ATP (200 nmol) and ligase buffer as recommended by the manufacturer. The oligonucleotides (200 pmol each) of subunit γ were phosphorylated separately in a 50 µl reaction volume as described above. The phosphorylated subunits α and β were ligated by adding 6 µl ligase buffer (NEB) and 2 µl T4 DNA ligase (NEB) and incubating at 16 C. After 6 h subunit γ, 6 µl ligase buffer and 2 µl T4 DNA ligase were added to the ligation mixture of α and β and incubation continued at 16 C for another 6 h. Analysis and purification of DNA minicircles by native gel electrophoresis: Separation in the first dimension was conducted with a nondenaturing 5% polyacrylamide gel in TBE (89 mm Tris/89 mm boric acid/2 mm EDTA, ph 8.3). Separation in the second (perpendicular) dimension was in a nondenaturing 8% polyacrylamide gel in TBE with chloroquine phosphate (50 µg/ml) in the gel and buffer. The ratio of acrylamide to bisacrylamide was 19:1 (wt/wt). The gels were run at 4 C in TBE buffer at 8 V/cm. The gels were exposed to storage phosphor screens and visualized by phosphorimaging (Scanner: Fujifilm, FLA 3000, Raytest, Straubenherdt, Germany). The product bands were excised, and the gel slices soaked over night at 30 C under mild shaking. After the removal of gel residues by filtration (Ultrafree-MC Centrifugal Devices, Millipore) the oligonucleotides were precipitated with ethanol and the pellets dissolved in water. The oligonucleotide solution was finally desalted by centrifugation through G25 columns (illustra MicroSpin G-25 Column, GE Healthcare). The concentration was determined by UV absorbtion (ε DNA-minicircle = M 1 cm 1 )
8 Nuclease Digestion: An analytical amount (5 µl, ca 2 pmol) of a DNA sample was treated with 0.2 µl BAL-31 Nuclease (1000 U/mL, New England Biolabs, Frankfurt, Germany) in 25 µl BAL-31 Nuclease Buffer (as recommended by the manufacturer) and 19.8 µl water for 1.5 h at 30 C. AFM Imaging: The PicoSPM AFM has a sample plate magnetically suspended below its top-down scanner. The liquid cell is a one-piece teflon well which is clipped onto the freshly cleaved mica on the sample plate. 10 µl (10-50 nm) of a solution of DNA minicircles were placed into the liquid cell on the mica, followed by 10 µl (100 mm) of an aq. NiCl 2 solution and 10 µl (100 mm, ph 7.5) TrisHCl-Buffer. Water was added to reach a volume of 100 µl and the sample was incubated at RT for 20 min. Before scanning another 300 µl (10 mm) TrisHCl-Buffer were added to the liquid cell. The images were processed with WSxM 3.0 beta 9.0 software (Nanotech Electronica, Spain). Sequences of oligonucleotides (Eurogentec, Metabion) subunit name sequence α β γ γ gap α-f α-r β-f β-r γ-f γ-r γf 20 -γf 15 γ-r 5 -TCTCTAAAAAATATATAAAAATCTCTAAAAAATATATAAAAATCTCTAAAAAATAT-3 3 -TTTTTTATATATTTTTAGAGATTTTTTATATATTTTTAGAGATTTTTTATATATTT-5 5 -ATTTTTTAGAGATTTTTATATATTTTTTAGAGATTTTTATATATTTTTTAGAGATT-3 3 -TTAGAGATTTTTTATATATTTTTAGAGATTTTTTATATATTTTTAGAGATTTTTTA-5 5 -AAAATATATAAAAATCTCTAATAATTACTATCATGTCTGCGAAAAATATATAAAAA-3 3 -TATATTTTTAGAGATTATTAATGATAGTACAGACGCTTTTTATATATTTTTAGAGA-5 5 -AAAATATATAAAAATCTCTA-3 5 -AAAAATATATAAAAA-3 3 -TATATTTTTAGAGATTATTAATGATAGTACAGACGCTTTTTATATATTTTTAGAGA-5 Calculation of ring size
Experimental procedures. Solid phase peptide synthesis (SPPS)
Electronic Supplementary Material (ESI) for Organic & Biomolecular Chemistry This journal is The Royal Society of Chemistry 214 Experimental procedures Solid phase peptide synthesis (SPPS) Solid phase
More informationSupporting Information
Copyright WILEY VCH Verlag GmbH & Co. KGaA, 69469 Weinheim, Germany, 2012. Supporting Information for Adv. Funct. Mater., DOI: 10.1002/adfm.201102486 Colorimetric Detection of Warfare Gases by Polydiacetylenes
More informationSupporting Information
Supporting Information Copyright Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, 2013 More than Meets the Eye: Conformational Switching of a Stacked Dialkoxynaphthalene Naphthalenetetracarboxylic diimide
More informationA prochelator with a modular masking group featuring hydrogen peroxide activation with concurrent fluorescent reporting
Electronic Supplementary Material (ESI) for ChemComm. This journal is The Royal Society of Chemistry 2014 Supporting Information A prochelator with a modular masking group featuring hydrogen peroxide activation
More informationSupporting Information
Supporting Information Chemoproteomics-Enabled Discovery of a Potent and Selective Inhibitor of the DNA Repair Protein MGMT Chao Wang +, Daniel Abegg +, Dominic G. Hoch, and Alexander Adibekian* ange_201511301_sm_miscellaneous_information.pdf
More informationReal-time monitoring of rolling circle amplification using aggregation-induced emission: applications for biological detection
Electronic Supplementary Material (ESI) for ChemComm. This journal is The Royal Society of Chemistry 215 Supplementary Information Real-time monitoring of rolling circle amplification using aggregation-induced
More informationStructure-Based Design of Covalent Siah Inhibitors
Chemistry & Biology, Volume 20 Supplemental Information Structure-Based Design of Covalent Siah Inhibitors John L. Stebbins, Eugenio Santelli, Yongmei Feng, Surya K. De, Angela Purves, Khatereh Motamedchaboki,
More informationSolid-phase Synthesis of Homodimeric Peptides: Preparation of Covalently-linked Dimers of Amyloid-beta Peptide
Electronic Supplementary Information Solid-phase Synthesis of Homodimeric Peptides: Preparation of Covalently-linked Dimers of Amyloid-beta Peptide W. Mei Kok, a,b,c Denis B. Scanlon, b John A. Karas,
More informationand its application in the synthesis of Nilotinib intermediate
Electronic upplementary Material (EI) for RC Advances. This journal is The Royal ociety of Chemistry 204 upporting Information An efficient D-glucosamine-based copper catalyst for C-X couplings and its
More informationSupplementary Information. Primary amino acid lithium salt as a catalyst for asymmetric Michael addition of isobutyraldehyde with β-nitroalkenes.
This journal is (c) The Royal Society of Chemistry 8 Supplementary Information Primary amino acid lithium salt as a catalyst for asymmetric Michael addition of isobutyraldehyde with β-nitroalkenes. Atsushi
More informationLight-driven Nanoscale Chiral Molecular Switch: Reversible Dynamic Full Range Color Phototuning
This journal is (c) The Royal Society of Chemistry Supporting Information Light-driven Nanoscale Chiral Molecular Switch: Reversible Dynamic Full Range Color Phototuning Ji Ma, Yannian Li, Timothy White,
More informationA Ratiometric NMR ph Sensing Strategy Based on Slow- Proton-Exchange (SPE) Mechanism
Electronic Supplementary Material (ESI) for Chemical Science. This journal is The Royal Society of Chemistry 2015 A Ratiometric NMR ph Sensing Strategy Based on Slow- Proton-Exchange (SPE) Mechanism Loïse
More informationELECTRONIC SUPPLEMENTARY INFORMATION
ELECTRONIC SUPPLEMENTARY INFORMATION General.. 1 1 HNMR titration fitplots.. 2 1 HNMR titration Job plots... 2 1 HNMR spectra of 1 + TBAacetate. 3 Isothermal Titration Calorimetry.. 3 High Resolution Mass
More informationSupplementary Information for
Electronic Supplementary Material (ESI) for Polymer Chemistry. This journal is The Royal Society of Chemistry 2015 Supplementary Information for Doubly Responsive Polymersomes towards Monosaccharides and
More informationThe D-glucosamine-derived pyridyl-triazole@palladium recoverable catalyst for Mizoroki-Heck reactions under solvent-free conditions
Electronic Supplementary Material (ESI) for Green Chemistry. This journal is The Royal Society of Chemistry 204 Supporting Information The D-glucosamine-derived pyridyl-triazole@palladium recoverable catalyst
More informationAn In-Gel Digestion Protocol
An In-Gel Digestion Protocol This protocol describes the digestion of a protein present in an SDS-PAGE gel band with trypsin. The band can be taken from either a 1D or 2D electrophoresis gel. Reagents
More informationAlkoxycarbonylation of Ethylene with Cellulose in Ionic Liquids
Supplementary data Alkoxycarbonylation of Ethylene with Cellulose in Ionic Liquids Anna sichow and Stefan Mecking* Chair of Chemical Materials Science, Dept. of Chemistry, University of Konstanz, 78464
More informationPeptide Synthesis Zheng Miao* and Zhen Cheng
Peptide Synthesis Zheng Miao* and Zhen Cheng 1 Department of Radiology, Molecular Imaging Program at Stanford, Stanford University School of Medicine, Stanford, USA *For correspondence: zmiao@stanford.edu
More information4026 Synthesis of 2-chloro-2-methylpropane (tert-butyl chloride) from tert-butanol
4026 Synthesis of 2-chloro-2-methylpropane (tert-butyl chloride) from tert-butanol OH + HCl Cl + H 2 O C 4 H 10 O C 4 H 9 Cl (74.1) (36.5) (92.6) Classification Reaction types and substance classes nucleophilic
More informationSupporting information. Cyclic peptide-polymer conjugates: grafting to VS grafting from
Supporting information Cyclic peptide-polymer conjugates: grafting to VS grafting from Sophie C. Larnaudie, a Johannes C. Brendel, a,c Katrina A. Jolliffe* b and Sébastien Perrier* a,c a Department of
More informationA Simple and efficient method for mild and selective oxidation of propargylic alcohols using TEMPO and calcium hypochlorite
A Simple and efficient method for mild and selective oxidation of propargylic alcohols using TEMPO and calcium hypochlorite Sabbasani Rajasekhara Reddy, a,b Anju Chadha b,c* a School of Advanced Sciences,
More informationPeptide synthesis, radiolabelling and radiochemical analysis
SUPPLEMENTAL DATA MATERIALS AND METHODS Peptide synthesis, radiolabelling and radiochemical analysis Solid phase synthesis of peptides was carried out on using ABI 433A peptide synthesizer, on a preloaded
More informationα-cyclodextrin SYNONYMS α-schardinger dextrin, α-dextrin, cyclohexaamylose, cyclomaltohexaose, α- cycloamylase
α-cyclodextrin New specifications prepared at the 57th JECFA (2001) and published in FNP 52 Add 9 (2001). An ADI not specified was established at the 57th JECFA (2001). SYNONYMS α-schardinger dextrin,
More information12.1 Hz, 1H), 7.07-7.23 (m, 11H), 7.27-7.33 (m, 6H), 7.54 (d, J = 8.4 Hz, 2H), 10.43 (s, 1H), 13.11 (bs, 1H)
Supporting information Materials and Methods Tetraarylmethane Synthesis THF Br IIIa, b n-buli, Et 2 C Et 2, -78 o C H H Ia, b H CH Ca CH C, 90 o C, 2h aniline.hcl CH CH, toluene, Δ IVa, b IIa, b H 2 =
More informationISOLATE II PCR and Gel Kit. Product Manual
ISOLATE II PCR and Gel Kit Product Manual 2 Product Manual www.bioline.com/isolate PCR and Gel Kit ISOLATE II PCR and Gel Kit ISOLATE II PCR and Gel Kit 1 Kit contents 04 2 Description 04 3 Storage 04
More informationPlant Genomic DNA Extraction using CTAB
Plant Genomic DNA Extraction using CTAB Introduction The search for a more efficient means of extracting DNA of both higher quality and yield has lead to the development of a variety of protocols, however
More informationSUCRALOSE. White to off-white, practically odourless crystalline powder
SUCRALOSE Prepared at the 41st JECFA (1993), published in FNP 52 Add 2 (1993). Metals and arsenic specifications revised at the 63rd JECFA (2004). An ADI of 0-15 mg/kg bw was established at the 37th JECFA
More informationSupplemental data. A simple and effective cleavable linker for chemical proteomics applications
Supplemental data A simple and effective cleavable linker for chemical proteomics applications Yinliang Yang, annes ahne, Bernhard Kuster, and Steven. L. Verhelst * Figure S1 Figure S2 Figure S3 Table
More informationGel Filtration Standard
Gel Filtration Standard Instruction Manual Catalog # 151-1901 Table of Contents Section 1 Introduction... 1 1.1 Instructions... 1 1.2 Recommended Volume of Standard... 2 1.3 Shelf Life... 5 1.4 Storage...
More informationSpatial Screening of Cyclic Neoglycopeptides: Identification of Multivalent Wheat Germ Agglutinin Ligands**
1 Spatial Screening of Cyclic Neoglycopeptides: Identification of Multivalent Wheat Germ Agglutinin Ligands** Valentin Wittmann* and Sonja Seeberger Experimental Section General. Solid-phase peptide synthesis
More informationNimbleGen DNA Methylation Microarrays and Services
NimbleGen DNA Methylation Microarrays and Services Sample Preparation Instructions Outline This protocol describes the process for preparing samples for NimbleGen DNA Methylation microarrays using the
More informationGenomic DNA Clean & Concentrator Catalog Nos. D4010 & D4011
Page 0 INSTRUCTION MANUAL Catalog Nos. D4010 & D4011 Highlights Quick (5 minute) spin column recovery of large-sized DNA (e.g., genomic, mitochondrial, plasmid (BAC/PAC), viral, phage, (wga)dna, etc.)
More informationStandard practices for Fmoc-based solid-phase. peptide synthesis in the Nowick laboratory. (Version 1.6.1)
Standard practices for Fmoc-based solid-phase peptide synthesis in the Nowick laboratory (Version 1.6.1) Adam G. Kreutzer and Patrick J. Salveson E-mail: Contents Contributions to this guide 3 General
More informationSupporting information for Journal of Materials Chemistry
Supporting information for Journal of Materials Chemistry Porphyrin-crosslinked Block Copolymer Assemblies as Photophysically-active Nanoscopic Devices Jennifer L. Sorrells, a, Ritu Shrestha, a William
More informationSupporting Information
Supporting Information Wiley-VCH 2005 69451 Weinheim, Germany Magnetic Nanoparticle-Capped Mesoporous Silica Nanorod-Based Stimuli-Responsive Controlled Release Delivery System** Supratim Giri, Brian G.
More informationLUMEFANTRINE Draft proposal for The International Pharmacopoeia (October 2006)
October 2006 RESTRICTED LUMEFANTRINE Draft proposal for The International Pharmacopoeia (October 2006) DRAFT FOR DISCUSSION World Health Organization 2006 All rights reserved. This draft is intended for
More informationNMR Chemical Shifts of Common Laboratory Solvents as Trace Impurities
7512 J. Org. Chem. 1997, 62, 7512-7515 NMR Chemical Shifts of Common Laboratory Solvents as Trace Impurities Hugo E. Gottlieb,* Vadim Kotlyar, and Abraham Nudelman* Department of Chemistry, Bar-Ilan University,
More informationNovel Method for Solid Phase Peptide Synthesis Using Microwave Energy
Novel Method for Solid Phase Peptide Synthesis Using Microwave Energy Jonathan M. Collins, Michael J. Collins, Rebecca C. Steorts CEM Corporation, Matthews, NC 28106-0200, U.S.A. Presented at American
More informationApplication of a New Immobilization H/D Exchange Protocol: A Calmodulin Study
Application of a New Immobilization H/D Exchange Protocol: A Calmodulin Study Jiang Zhao; Mei Zhu; Daryl E. Gilblin; Michael L. Gross Washington University Center for Biomrdical and Bioorganic Mass Spectrometry:
More informationDNA Assembly and Enzymatic Cutting in Solutions: A Gold Nanoparticle Based SERS Detection Strategy
Supporting Information DNA Assembly and Enzymatic Cutting in Solutions: A Gold Nanoparticle Based SERS Detection Strategy Elizabeth Crew 1, Hong Yan 1, Liqin Lin 1, Jun Yin 1, Zakiya Skeete 1, Timur Kotlyar
More informationAxyPrep TM Mag PCR Clean-up Protocol
AxyPrep TM Mag PCR Clean-up Protocol Intro The AxyPrep Mag PCR Clean-up kit utilizes a unique paramagnetic bead technology for rapid, high-throughput purification of PCR amplicons. Using this kit, PCR
More informationTransformAid Bacterial Transformation Kit
Home Contacts Order Catalog Support Search Alphabetical Index Numerical Index Restriction Endonucleases Modifying Enzymes PCR Kits Markers Nucleic Acids Nucleotides & Oligonucleotides Media Transfection
More informationHighPure Maxi Plasmid Kit
HighPure Maxi Plasmid Kit For purification of high pure plasmid DNA with high yields www.tiangen.com PP120109 HighPure Maxi Plasmid Kit Kit Contents Storage Cat.no. DP116 Contents RNaseA (100 mg/ml) Buffer
More informationSanger Sequencing: Sample Preparation Guide
Sanger Sequencing: Sample Preparation Guide Use this as a guide to prepare your samples for Sanger sequencing at AGRF CONTENTS 1 Overview... 2 1.1 Capillary Separation (CS) or electrophoretic separation
More informationSPE and HPLC. Dr Iva Chianella Lecturer in Analytical Chemistry Cranfield Health +44 (0) 1234 758322. i.chianella.1998@cranfield.ac.
SPE and HPLC Dr Iva Chianella Lecturer in Analytical Chemistry Cranfield Health +44 (0) 1234 758322 i.chianella.1998@cranfield.ac.uk Solid-Phase Extraction- SPE Simple, fast and efficient sample preparation
More informationTECHNICAL BULLETIN. HIS-Select Nickel Affinity Gel. Catalog Number P6611 Storage Temperature 2 8 C
HIS-Select Nickel Affinity Gel Catalog Number P6611 Storage Temperature 2 8 C TECHNICAL BULLETIN Product Description HIS-Select Nickel Affinity Gel is an immobilized metalion affinity chromatography (IMAC)
More informationoxidize 4-Cholesten-3-one
Isolation of Cholesterol from Egg Yolk Preparation: Bring a hard-boiled egg yolk to lab! Cholesterol (1) is a major component of cell membranes. An egg yolk contains about 200 milligrams of cholesterol,
More informationSolid-Phase Peptide Synthesis using N α -Trityl-Amino Acids. Jordi Girona 18-26, E-08034 Barcelona, Spain. planta, E-08028 Barcelona, Spain.
Solid-phase peptide synthesis using N α -trityl-amino acids. de la Torre, B.G., Marcos, M.A., Eritja, R., Albericio, F. Letters in Peptide Sience 8, 331-338 (2002). Solid-Phase Peptide Synthesis using
More informationPrepatellamide A, a new cyclic peptide from the ascidian Lissoclinum patella
Vol. 43 No. 6 SCIENCE IN CHINA (Series B) December 2000 Prepatellamide A, a new cyclic peptide from the ascidian Lissoclinum patella FU Xiong ( ), SU Jingyu ( ) & ZENG Longmei ( ) Department of Chemistry,
More informationMaterials and Methods. Protocol for Fmoc- based solid- phase peptide synthesis
Materials and Methods All commercially available materials (Aldrich, TCI, ovabiochem, Fluka ) were used without further purification. All solvents were reagent grade or PLC grade (Fisher ). Anhydrous TF,
More informationTroubleshooting Guide for DNA Electrophoresis
Troubleshooting Guide for Electrophoresis. ELECTROPHORESIS Protocols and Recommendations for Electrophoresis electrophoresis problem 1 Low intensity of all or some bands 2 Smeared bands 3 Atypical banding
More informationRNA Fragment DeepSeq Library Preparation Protocol
RNA Fragment DeepSeq Library Preparation Protocol I) LIGATION Recommended input: RNA between 0.05-2 pmol; must have 3' OH 1. Thaw 10X T4 RNA Ligase Reaction Buffer, 50% PEG8000, 20 mm DTT, 7 um App Adaptor
More informationNorthern blot analysis for microrna. (Narry Kim s lab)
Northern blot analysis for microrna (Narry Kim s lab) Materials 1. 10~50 μg of total RNA extracted from HeLa cells treated with sirna 2. RNA loading buffer 3. Probe: DNA oligonucleotide complementary to
More informationRunning protein gels and detection of proteins
Running protein gels and detection of proteins 1. Protein concentration determination using the BIO RAD reagent This assay uses a colour change reaction to give a direct measurement of protein concentration.
More informationThermo Scientific HyperSep Solid Phase Extraction Method Development Guide
chromatography Thermo Scientific HyperSep Solid Phase Extraction Method Development Guide The following guide provides considerations, tips and general guidelines for developing SPE methods using the Thermo
More information2. Cut 6 sheets of Whatman 3MM paper and 1 sheet of blotting membrane to the size of the gel, or slightly smaller.
Method for Western Blotting Western Blotting ELECTROPHORESIS Prepare and run an SDS PAGE gel. Select a gel percent which will give the best resolution for the size of antigen being analyzed (if known).
More informationHiPer Ion Exchange Chromatography Teaching Kit
HiPer Ion Exchange Chromatography Teaching Kit Product Code: HTC001 Number of experiments that can be performed: 5 Duration of Experiment: Protocol: 5-6 hours Storage Instructions: The kit is stable for
More informationINSTRUCTION Probemaker
INSTRUCTION Probemaker Instructions for Duolink In Situ Probemaker PLUS (Art. no. 92009-0020) and Duolink In Situ Probemaker MINUS (Art. no. 92010-0020) Table of content 1. Introduction 4 2. Applications
More informationSouthern Blot Analysis (from Baker lab, university of Florida)
Southern Blot Analysis (from Baker lab, university of Florida) DNA Prep Prepare DNA via your favorite method. You may find a protocol under Mini Yeast Genomic Prep. Restriction Digest 1.Digest DNA with
More informationPROTEIN SEQUENCING. First Sequence
PROTEIN SEQUENCING First Sequence The first protein sequencing was achieved by Frederic Sanger in 1953. He determined the amino acid sequence of bovine insulin Sanger was awarded the Nobel Prize in 1958
More informationEZ Load Molecular Rulers. Catalog Numbers 170-8351 20 bp 170-8352 100 bp 170-8353 100 bp PCR 170-8354 500 bp 170-8355 1 kb 170-8356 Precision Mass
EZ Load Molecular Rulers Catalog Numbers 170-8351 20 bp 170-8352 100 bp 170-8353 100 bp PCR 170-8354 500 bp 170-8355 1 kb 170-8356 Precision Mass EZ Load Molecular Rulers Quantity DNA sufficient for 100
More informationThe fastest spin-column based procedure for purifying up to 10 mg of ultra-pure endotoxin-free transfection-grade plasmid DNA.
INSTRUCTION MANUAL ZymoPURE Plasmid Gigaprep Kit Catalog Nos. D4204 (Patent Pending) Highlights The fastest spin-column based procedure for purifying up to 10 mg of ultra-pure endotoxin-free transfection-grade
More informationTamsulosin Hydrochloride Capsules
. nal Revision Bulletin Official October 1, 2011 Tamsulosin 1 standard solution, and shake well. Centrifuge at 1500 rpm for 10 min, and use the supernatant, passing it if Tamsulosin Hydrochloride Capsules
More informationProtocol: HPLC (amino acids)
Page 1 of 6 1. Chemicals Composition M MW gram volume (ml) product code 0-pthaldialdehyde C 8H 6O 2 134.13 Sigma P0657 Perchloric acid HClO 4 3.5 100.46 Dilute 70% stock solution 1:1 with demi to obtain
More informationGuide to Reverse Phase SpinColumns Chromatography for Sample Prep
Guide to Reverse Phase SpinColumns Chromatography for Sample Prep www.harvardapparatus.com Contents Introduction...2-3 Modes of Separation...4-6 Spin Column Efficiency...7-8 Fast Protein Analysis...9 Specifications...10
More informationRapid Microwave-Assisted Solid Phase Peptide Synthesis
592 SPECIAL TOPIC Rapid Microwave-Assisted Solid Phase Peptide Synthesis Rapid Máté Microwave-Assisted Solid Phase Peptide SynthesisErdélyi, a,b Adolf Gogoll* a a Department of Organic Chemistry, Uppsala
More informationOasis HLB Cartridges and 96-Well Plates
CONTENTS I. INTRODUCTION II. SAMPLE PRE-TREATMENT a. Biological Samples b. Solid Samples: Soil, Whole Foods, Tissue c. Aqueous Samples: Water, Beverages d. Non-Aqueous Liquid III. SOLID PHASE EXTRACTION
More informationMelting points (m.p.) were determined using a Reichert hot-stage melting point
Supporting information 1.0 General experimental 1.1 Instrumentation Melting points (m.p.) were determined using a Reichert hot-stage melting point apparatus and are uncorrected. Infrared spectra (IR) spectra
More informationSupporting Information
Supporting Information Wiley-VCH 2007 69451 Weinheim, Germany Methanol Behavior in Direct Methanol Fuel Cells Younkee Paik, Seong-Soo Kim, and Oc Hee Han * Experimental Section Preparation of MEA: Standard
More informationTIANquick Mini Purification Kit
TIANquick Mini Purification Kit For purification of PCR products, 100 bp to 20 kb www.tiangen.com TIANquick Mini Purification Kit (Spin column) Cat no. DP203 Kit Contents Contents Buffer BL Buffer PB Buffer
More information1. COUPLING REAGENTS : Structure and acronyms
Coupling Reagents 1. COUPLING REAGENTS : Structure and acronyms... 2 2. CARBODIIMIDE... 3 1.a. N,N -Dicyclohexylcarbodimide (DCC)... 3 DCC/HOBt coupling experimental procedure:... 4 1.b. N-(3-Dimethylaminopropyl)-N
More informationChromatin Immunoprecipitation
Chromatin Immunoprecipitation A) Prepare a yeast culture (see the Galactose Induction Protocol for details). 1) Start a small culture (e.g. 2 ml) in YEPD or selective media from a single colony. 2) Spin
More informationHigh-Throughput 3-D Chromatography Through Ion Exchange SPE
High-Throughput 3-D Chromatography Through Ion Exchange SPE Application Note 205 Luke Roenneburg and Alan Hamstra (Gilson, Inc.) Introduction 2-dimensional (2-D) separation is the separation of a sample
More informationApplication Guide... 2
Protocol for GenomePlex Whole Genome Amplification from Formalin-Fixed Parrafin-Embedded (FFPE) tissue Application Guide... 2 I. Description... 2 II. Product Components... 2 III. Materials to be Supplied
More informationPurification of reaction mixtures using flash chromatography.
Purification of reaction mixtures using flash chromatography. This technical note details the use of ISOLUTE Flash chromatography columns for the purification of reaction mixtures. What is flash chromatography?
More informationHow To Make A Molecular Encoder And Decoder
Electronic Supplementary Material (ESI) for ChemComm. This journal is The Royal Society of Chemistry 2014 Supporting information Molecular Encoder - Decoder Based on Assembly of Graphene with Dye-labeled
More informationSODIUM CARBOXYMETHYL CELLULOSE
SODIUM CARBOXYMETHYL CELLULOSE Prepared at the 28th JECFA (1984), published in FNP 31/2 (1984) and in FNP 52 (1992). Metals and arsenic specifications revised at the 55 th JECFA (2000). An ADI not specified
More informationTANNIC ACID. SYNONYMS Tannins (food grade), gallotannic acid, INS No. 181 DEFINITION DESCRIPTION
TANNIC ACID Prepared at the 39th JECFA (1992), published in FNP Add 1 (1992) superseding specifications prepared at the 35th JECFA (1989), published in FNP 49 (1990) and in FNP 52 (1992). Metals and arsenic
More informationPeptide Library Synthesis
Peptide Library Synthesis Jamie M. R. Moore Guy Laboratory UCSF I. verview.. page 2 II. Reagents and Apparatus. page 4 III. Flow Chart. page 6 IV. Protocol. page 7 IV. Tables A. List of Fmoc Amino. page
More informationPHYSICAL SEPARATION TECHNIQUES. Introduction
PHYSICAL SEPARATION TECHNIQUES Lab #2 Introduction When two or more substances, that do not react chemically, are blended together, the result is a mixture in which each component retains its individual
More informationIn vitro analysis of pri-mirna processing. by Drosha-DGCR8 complex. (Narry Kim s lab)
In vitro analysis of pri-mirna processing by Drosha-DGCR8 complex (Narry Kim s lab) 1-1. Preparation of radiolabeled pri-mirna transcript The RNA substrate for a cropping reaction can be prepared by in
More informationZR-96 DNA Sequencing Clean-up Kit Catalog Nos. D4052 & D4053
INSTRUCTION MANUAL ZR-96 DNA Sequencing Clean-up Kit Catalog Nos. D4052 & D4053 Highlights Simple 10 Minute Bind, Wash, Elute Procedure Flexible 15-20 µl Elution Volumes Allow for Direct Loading of Samples
More informationlung cancer targeted photodynamic therapy and imaging
99m Tc-Hematoporphyrin linked albumin nanoparticles for lung cancer targeted photodynamic therapy and imaging Su-Geun Yang, Ji-Eun Chang, Byungchul Shin, Sanghyun Park, Kun Na and Chang-Koo Shim* *Corresponding
More informationSupplementary Information
Supplementary Information Table of Contents Figure S1 1 H NMR spectrum for chromomycin A2 (1) in CDCl3. Figure S2 1 H NMR spectrum expansion for chromomycin A2 (1) in CDCl3. Figure S3 HR-ESI-MS spectrum
More informationReversed Phase High Presssure Liquid Chromatograhphic Technique for Determination of Sodium Alginate from Oral Suspension
International Journal of PharmTech Research CODEN (USA): IJPRIF ISSN : 0974-4304 Vol.2, No.2, pp 1634-1638, April-June 2010 Reversed Phase High Presssure Liquid Chromatograhphic Technique for Determination
More informationCyclic peptides containing a d-sugar amino acid synthesis and evaluation as artificial receptors
Tetrahedron 61 (2005) 863 874 Cyclic peptides containing a d-sugar amino acid synthesis and evaluation as artificial receptors Johan F. Billing and Ulf J. Nilsson* Organic and Bioorganic Chemistry, Lund
More informationSmall μmol Scale Synthesis of a Labeled Antimicrobial Peptide using Biotage
Application ote A098 Small μmol Scale Synthesis of a Labeled Antimicrobial Peptide Page 1 Small μmol Scale Synthesis of a Labeled Antimicrobial Peptide using Biotage Initiator+ Alstra Introduction Labeled
More informationRAGE. Plugs for RAGE/PFGE
1 RAGE Rotating Field Gel Electrophoresis (RAGE) is a variation on Pulsed Field Gel Electrophoresis (PFGE) and gives similar results. We use equipment that was only briefly marketed by Stratagene, at far
More informationAGAROSE GEL ELECTROPHORESIS:
AGAROSE GEL ELECTROPHORESIS: BEST PRACTICES (BACK TO THE BASICS) Unit of Tropical Laboratory Medicine April 2009 Marcella Mori WORKFLOW OF AGAROSE GEL ELECTROPHORESIS: THREE STEPS Agarose gel electrophoresis
More informationCypExpress 3A4 Catalyzed Conversion of Testosterone (TE) to 6β- Hydroxytestosterone (HT)
TM CASE STUDY CypExpress 3A4 Catalyzed Conversion of to Shuvendu Das, 1 Enrique Martez, 2 and Mani Subramanian 1 1 Center for Biocatalysis and Bioprocessg, University of Iowa 2 Oxford Biomedical Research,
More informationSupplemental Material: peptide synthesis
Supplemental Material: peptide synthesis Synthesis of MMAE containing ACPPs (Scheme 1) The peptides were synthesized by using regular solid phase Fmoc peptide synthesis. Peptides that were used for fluorescence
More informationSelf-Propelled Chemotactic Ionic Liquid Droplets
Electronic Supplementary Material (ESI) for ChemComm. This journal is The Royal Society of Chemistry 2014 Supporting Information Self-Propelled Chemotactic Ionic Liquid Droplets Wayne Francis, Cormac Fay,
More informationISOLATION OF CAFFEINE FROM TEA
ISLATIN F CAFFEINE FRM TEA Introduction In this experiment, caffeine is isolated from tealeaves. The chief problem with the isolation is that caffeine does not exist alone in the tealeaves, but other natural
More information1) Technical informations. - a) How does it work? - b) Purification - c) Quality Control. 2) Standard synthesis
1) Technical informations - a) How does it work? - b) Purification - c) Quality Control 2) Standard synthesis - a) Standard peptides - b) Modified peptides - c) Shipment and Delivery Time - d) How to order?
More informationDetailed protocol: Combined method for RNA isolation. from cartilage
Detailed protocol: Combined method for RNA isolation from cartilage REAGENTS - chloroform - DNase (RNase-free DNase Set, cat.no. 79254, Qiagen, Hilden, Germany) - 80 % Ethanol (in DEPC-treated water) -
More informationRakesh N. Veedu a, Birte Vester b & Jesper Wengel a a Nucleic Acid Center, Department of Physics and Chemistry, Southern Denmark, Odense M, Denmark
This article was downloaded by: [UQ Library] On: 17 August 2011, At: 19:56 Publisher: Taylor & Francis Informa Ltd Registered in England and Wales Registered Number: 1072954 Registered office: Mortimer
More informationWizard SV Gel and PCR Clean-Up System
TECHNICAL BULLETIN Wizard SV Gel and PCR Clean-Up System Instruc ons for Use of Products A9280, A9281, A9282 and A9285 Revised 12/10 TB308 Wizard SV Gel and PCR Clean-Up System All technical literature
More informationUpdated: July 2005. 5' End label RNA markers 18.113 (18mer) and 44.12 (24mer) with Kinase and 32P-gamma-ATP. Gel purify labeled markers.
RNA Cloning Method Flowchart Extract total RNA containing small RNAs. Check quality on denaturing gel with EtBr staining 5' End label RNA markers 18.113 (18mer) and 44.12 (24mer) with Kinase and 32P-gamma-ATP.
More informationZR DNA Sequencing Clean-up Kit
INSTRUCTION MANUAL ZR DNA Sequencing Clean-up Kit Catalog Nos. D40 & D4051 Highlights Simple 2 Minute Bind, Wash, Elute Procedure Flexible 6-20 µl Elution Volumes Allow for Direct Loading of Samples with
More informationPeptide Based Interleukin-1
January 1999 Chem. Pharm. Bull. 47(1) 11 21 (1999) 11 Peptide Based Interleukin-1b Converting Enzyme (ICE) Inhibitors: Synthesis, Structure Activity Relationships and Crystallographic Study of the ICE-inhibitor
More information