Handbook of Size Exclusion Chromatography and Related ...

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Aretroviral genomic RNA of approximately 16,600 bases has successfully beenpurifiedfromvirallysateonSpherogelTSK6000PW(7).Inspiteof itslong chain length, the retroviral RNA was not excluded in the void volume of the column, probably due to the tridimensional structure, and it was separated from other components. The preparation of the genomic RNA was 20 times more efficient than the sucrose gradient ultracentrifugation in terms of yield. AccordingtothetestforloadingcapacityinSEConcolumnsof7.5 mmID, RNA samples could be applied without adecrease in resolution up to afew milligrams (5). 3 DNA FRAGMENTS DNA fragments of up to approximately 7,000 base pairs have successfully been separated by SEC. Figure 3shows chromatograms of HaeIII-cleaved plasmid pBR322 obtained on column systems consisting of two TSKgel G3000SW columns or two G4000SW columns (each column 60 cm 7.5 mm ID). The numeralsabovethepeaksrepresentthebasepairsofDNAfragmentscontained in the peaks. On G3000SW,DNA fragments of less then 124 base pairs were well separated,whereaslargerDNAfragmentswereelutedtogetherinthevoidvolume of the column system (approximately 20 mL). On G4000SW,DNA fragments up to 267 base pairs were separated. According to these results, it can be said that relatively small DNA fragments can be separated by SEC if they differ by more than 10% in chain length. The chain length of DNA fragments is plotted against elutionvolumeinFig.4.Theaveragechainlengthswereusedforpeakscontaining more than one DNA fragment. The results demonstrate that DNA fragments were separated according to their chain length. Therefore, it is possible not only to purify fragments but also to estimate the chain length of unknown DNA fragments. Figure 5shows the separation of larger DNA fragments. Amixture of EcoRI-cleaved plasmid pBR322 and BstNI-cleaved plasmid pBR322 was separated on a TSKgel DNA-PW four-column system (each column 30 cm 7.8 mm ID). The sample contains seven fragments of 13, 121, 383, 928, 1,060, 1,857, and 4,362 base pairs. Peaks a–f contained fragments of 4,362 (a), 1,857 (b), 1,060 and 928 (c), 383 (d), 121 (e), and 13 (f) according to polyacrylamide gel electrophoresis of collected eluates corresponding to the peaks. Although two fragments of 928 and 1,060 base pairs were eluted together as one peak, all the other fragments were well separated from each other. The separations of 1,060 and 1,857 base pair fragments and of 1,857 and 4,362 base pair fragments were also almost complete. This means that even fragments of greater than 1000 base pairs can be separated with little cross-contamination, provided that the chain length of one is more than twice that of the other. The void volume of the column system was determined with l-DNA. The exclusion limit of © 2004 by Marcel Dekker, Inc.
Figure 3 Separation of HaeIII-cleaved pBR322 obtained on a TSKgel G3000SW twocolumn system at a flow rate of 1 mL/min (a) or on a TSKgel G4000SW two-column system at a flow rate of 0.33 mL/min (b) (each column 60 cm 7.5 mm ID) in 0.05 M Tris–HCl buffer (pH 7.5) containing 0.2 M sodium chloride and 1 mM EDTA. (From Ref. 11.) TSKgel DNA-PW estimated by utilizing the value of void volume was approximately 7,000 base pairs. Therefore, SEC should be very useful in the field of genetic engineering, in which the separation of large DNA fragments in the range of 1,000–5,000 is important. However, it seems that DNA fragments larger than 7,000 base pairs cannot be separated at present because no commercially available aqueous SEC columns have higher exclusion limits than TSKgel DNA-PW. © 2004 by Marcel Dekker, Inc.
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MARCEL DEKKER Handbook of Size Excl
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CHROMATOGRAPHIC SCIENCE SERIES A Se
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60. Modern Chromatographic Analysis
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Preface to the Second Edition Gel p
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Preface to the First Edition Molecu
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Contents Preface to the Second Edit
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17. Size Exclusion Chromatography o
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James F. Curry Analytical Departmen
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Iwao Teraoka, Ph.D. Othmer Departme
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The graphical data display typicall
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polymer molecule can elute. The tot
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individual states) allowed to them.
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unsaturation while the IR detector
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Sampleconcentrationshouldbeminimize
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averagesdefinedintermsofthemolecula
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information regarding appropriate M
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Analytical. Two models, the KMX-6 a
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Figure 6 Overlay of time-sliced pea
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accurately for very large and very
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4 GENERAL REFERENCES The interested
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46. TA Chamberlin, HE Tuinstra. US
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materials are commercially availabl
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Table 1 Commercial Column Packing M
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necessarily comparable. For this re
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adjusted such that the pore size di
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narrowmolecular weight range, indiv
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Figure 8 Effect of particle size on
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Figure 9 SEC calibration using poly
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Table 4 Typical Eluent Systems for
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Figure 12 Analysis of poly-2-vinyl
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24. E Meehan, S O’Donohue. The ro
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into accepted laboratory techniques
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Table 1 Trace Metal Impurities in C
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mass and biological activity, for m
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Experimental efficiency vs. velocit
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Table 3 Properties of SEC Silica Ge
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operate at aflow rate that can easi
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Figure 3 Efficiency of amide-bonded
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mechanically stable packing materia
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Figure 5 Pore size distributions of
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Figure 6 Separation of polystyrenes
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60-120 A ˚ are large enough to be
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Table 6 Selected Silica-Based Colum
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Table 7 Separation Ranges for Polym
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the decline in permeability is perm
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sample components can be varied by
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Figure 10 Diol bonding reactions. I
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ecause of the higher relative molec
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valuesfork1,k2,anda,theunknownmolec
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water-soluble and detergent-soluble
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the importance of secondary retenti
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discussed in Table 8(33). Based on
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individual dispersion processes ins
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The detector time constant can dist
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5.3 Mobile Phase A mobile phase is
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less steep and still linear at high
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35. P Bristow, J Knox. Chromatograp
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112. K Gooding, K Lu, G Vanecek, F
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for branched polymers or copolymers
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Figure 1 “Bridge design” flow-r
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Figure 3 A light-scattering photome
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Figure 5 SEC universal calibration
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where hn is the hydrodynamic volume
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It should be noted that dn=dc also
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sensitivity for many samples compar
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that is, log[h] vs. logM,generated
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Figure 8 Effect of band broadening
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Table 1 Measurement of Molecular We
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Figure 10 Differential refractomete
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Figure 11 (A) Mark-Houwink plot of
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Table 3 Measurement of Molecular We
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size information is derived from un
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Table 5 Molecular Weight Distributi
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By measuring the scattered intensit
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8 APPENDIX: INSTRUMENT COMPANIES 8.
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53. G Marot, J Lesec. J Liq Chromat
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125. D Slootmaekers, JAPP Van Dijk,
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200. JG Bindels, GJJ Bessems, BM De
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possibly with hydrodynamic volume (
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An insurmountable limitation of SEC
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to sDR(V) when either nPS ¼nPB ¼c
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1,4-trans;and8%1,2-vynil.TheglobalC
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The goal is to find the MWD and CCD
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As expected, pS is closer to the no
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Figure 3 Example 3: MWD and BD of a
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9. BH Zimm, WH Stockmayer. The dime
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45. RO Bielsa, GR Meira. Linear cop
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solubility properties. They are use
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determination of the absolute molec
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Figure 4 Result of the PBT analysis
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Figure 8 Result of natural spider s
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7 Size Exclusion Chromatography of
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As pointed out earlier, rubber must
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Table 2 Various Solvents and Operat
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Figure 2 Typical GPC calibrations w
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© 2004 by Marcel Dekker, Inc. Figu
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Natural and Synthetic Rubbe177 vari
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Another example, shown in Fig. 5 (3
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APPENDIX: SEC CONDITIONS FOR RUBBER
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Appendix (Continued) Polymer Column
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5. J West, E Rodriguez. Rubber Chem
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associate. Girdler (67) and Speight
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Table 1 Fractions Obtained Using Co
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Figure 1 SEC analyses of an aged as
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Apparently more polar compounds are
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40% was fractionated into four frac
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Figure 7 SEC analyses of an unaged
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Figure 9 Comparison of percentage L
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Figure 11 Comparison of SEC chromat
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Figure 12 Comparisons of SEC chroma
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percentage LMS at the other locatio
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the total area into up to 12 sectio
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attempted to develop an SEC method
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parameterisbasedontheinternalpressu
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5 MODIFIED ASPHALTS The addition of
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Oxidation of the rubber and asphalt
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Figure 20 SEC chromatogram for an a
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Figure 21 Comparisons of apparent m
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© 2004 by Marcel Dekker, Inc. S/
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PS/10 4 þ 10 3 þ 500 þ 100 THF/1
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Nevertheless, SEC of asphalts is es
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56. NW Garrick, RR Biskur. Trans Re
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Asphalts 235 122. M-S Lin, JM Chaff
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Table 1 Applications of Acrylamide
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(AM/AA), and acrylamide/dimethyldia
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polymer, a large size filter of 5,
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Figure 1 Size exclusion chromatogra
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Table3 MWandMWDofaBroad-MWDPAMStand
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Another commercially available MW d
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Table 5 Weight-Average Molecular We
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Figure 6 (a) Size exclusion chromat
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compared to anormal product. By com
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StudyingtheKineticsofaChemicalReact
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this information, the higher MW pea
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46. CJ Kim, A Hamielec, A Bendek. J
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A relatively new technique utilizin
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where ais the exponent of the Mark-
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Figure 2 TDS chromatograms for full
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Figure 5 Comparison of molecular we
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Table 3 Summary of TDS Molecular We
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thepartiallyhydrolyzedPVAwiththecol
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Table 5 Summary of Conformation and
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a¼0.627andlog(K) ¼23.249.Theseare
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The limits of detection of the PVA
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Figure 12 PVAc broad molecular weig
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4 SUMMARY Advances in SEC character
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2.1 Molecular Weight Grades of PVP
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exclusion chromatography with low-a
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weightandmolecularweightdistributio
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Figure 4 PEOcalibrationofUltrahydro
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Figure 6 Overlay of GPC chromatogra
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plus Ultrahydrogel 120 A ˚ ,Shodex
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Figure 10 SEC traces of PVP/AA copo
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Figure 11 Molecular weight distribu
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2 CHEMICAL, MACROMOLECULAR AND MORP
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Table 2 The Relative Composition of
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considered to be 3. After the DS ha
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een extensively studied by methods
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The silylation was performed in LiC
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observed using column materials hav
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Table 6 (Continued) Packing materia
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4.5 Other Cellulose Derivatives Bes
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Table 8 SEC Conditions for Characte
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dextrans swell too much in cadoxen
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stirring at room temperature for an
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Figure 2 MMDofunbleached(HP)andblea
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Figure 4 MMDofbirchkraftpulpdegrade
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adequate when evaluating the influe
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differential refractive index (DRI)
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30. HA Krässig. Effects of structu
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67. E Sjöholm, K Gustafsson, A Col
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104. B Fleury, J Dubois, C Léonard
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136. D Miller, D Senior, R Sutcliff
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166. SS Cutié, CG Smith. Determina
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200. R Berggren, F Berthold, E Sjö
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13 Molar Mass and Size Distribution
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measurements, and vapor pressure os
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The calibration of SEC columns by c
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The division according to eluent ty
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Apolymer produced by UV irradiation
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Because DMAC/LiCl is also agood sol
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compoundsandwasexplainedbyadsorptio
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isolated lignins because they are e
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The Separon HEMA and Separon HEMA B
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Figure 4 GPC elution curves of the
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liquor is highest throughout the co
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topological anisotropy in the polym
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29. M Ristolainen, R Alen, J Knuuti
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eds. Proc Int Symp 1998. Canton, Pe
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92. L Jurasek. Towards a three dime
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Table 1 Selected Industries Connect
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into C3-metabolites, which then may
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Table 4 Key Enzymes in the Biosynth
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Table 5 Cloned Mutants of Starch En
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Figure 3 Modeled x-ray diffraction
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In the native environment (plant ce
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Figure 6 (a) Large starch granules
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number of branching points); crossl
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Both absolute approaches are extrao
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Table 7 (Continued) Approach Experi
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structures, excluded volumes, and t
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Figure 10 (a) SEC elution profile o
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Figure 12 Wheat glucans: DRI elutio
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Figure 13 Wheat glucans. Normalized
Page 429 and 430: Figure 16 Wheat glucan. Normalized
Page 431 and 432: Figure 18 Wheat glucan.Elution prof
Page 433 and 434: Figure 20 Wheat glucans. Absolute m
Page 435 and 436: Figure 22 Wheat glucan. (a) Intrins
Page 437 and 438: Figure 24 Wheat PA-glucan. Elution
Page 439 and 440: an Ubbelohde-viscometer for concent
Page 441 and 442: Rheological investigations of stabi
Page 443 and 444: shifts to applied laser light, whic
Page 445 and 446: Table 8 Characteristic Parameters f
Page 447 and 448: Table 8 (Continued) and H2O. A part
Page 449 and 450: 10. SG Ball, MHBJ van de Wal, RGF V
Page 451 and 452: 52. W Praznik, R Beck. J Chromatogr
Page 453 and 454: 15 Size Exclusion Chromatography of
Page 455 and 456: 3 PROTEIN PARTITIONING IN SEC 3.1 G
Page 457 and 458: Figure 1 Plot of Kav vs. log M for
Page 459 and 460: yconsideringtheproteinsolutestobesp
Page 461 and 462: globular proteins and selected flex
Page 463 and 464: silanol groups (52-54); even capped
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Page 467 and 468: Figure 4 Chromatograms of BSA and P
Page 469 and 470: concentrated) steps of protein puri
Page 471 and 472: Table 3 Characteristics of Dextran-
Page 473 and 474: preparative SEC. The capabilities o
Page 475 and 476: 37. GR Noll, N Nagle, JO Baker, DJ
Page 477 and 478: 16 Size Exclusion Chromatography of
Page 479: Figure 2 Separation of total E. col
Page 483 and 484: The recovery of DNA fragments has b
Page 485 and 486: Endotoxin should also be removed fr
Page 487 and 488: Table 3 Best Columns for the Separa
Page 489 and 490: Figure 10 Dependence of HETP on flo
Page 491 and 492: Appendix (Continued ) Polymer Colum
Page 493 and 494: REFERENCES 1. CT Wehr, SR Abbott. J
Page 495 and 496: MALDI-MS has been applied to determ
Page 497 and 498: Figure 1 Calibration curvesof SEC c
Page 499 and 500: Figure 3 Chromatograms of epoxy res
Page 501 and 502: wherenandn0 aretheRIsofthesample an
Page 503 and 504: Figure 5 SEC chromatogram of n-alka
Page 505 and 506: Figure 7 Refractive indexes of comm
Page 507 and 508: Another detector recently applied i
Page 509 and 510: Figure 11 Absolute MW calibration p
Page 511 and 512: Figure 12 Chromatogram of Acrawax C
Page 513 and 514: 18 Two-Dimensional Liquid Chromatog
Page 515 and 516: largerispressuredropandresultingexp
Page 517 and 518: elations between molar masses and s
Page 519 and 520: Figure 2 (Continued) chapter, one o
Page 521 and 522: where Nis the column efficiency exp
Page 523 and 524: composition/architecture/molar mass
Page 525 and 526: solvent. Here again, solvent-solven
Page 527 and 528: or repulsive interactions between m
Page 529 and 530: macromolecules may strongly differ
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temperature. The efficacy of an ads
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however, aliphatic bonded groups ma
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Figure 10 Schematic representation
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packing materials for SEC of synthe
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Quantitative relations between sila
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Both strength and thermodynamic qua
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where Cand Dare constants for apart
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ThisisimportantwhenLCCCisappliedtoc
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However, strong adsorption of macro
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elution step may be sufficient for
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Figure 16 Block scheme of a full ad
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processing of 2D-HPLC data. Knowled
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Figure 20 Set of full retention-elu
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distributions of complex polymers a
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constituents were not discriminated
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(Sec. 7) and therefore they can be
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2. Identify sample solvents. First
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1 Segmental interaction energy para
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58. BG Belenkii. Pure Appl Chem 51:
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19 Methods and Columns for High-Spe
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Table 1 Summary of Methods for Incr
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not savealot of time and solvent, d
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Figure 3 Conventional SEC chromatog
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chromatogram at 4mL/min, which is f
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Sincethereductionoftheinternaldiame
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Table 3 Summary of Column Performan
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Figure 11 Dependence of column perf
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. Two-dimensional chromatography ru
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The standard deviations for the mol
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Figure 15 Comparison of time requir
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Figure 17 Accuracy and precision of
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polymer analysis. Samples are “ru
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just ignoring the fractionation of
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20 Automatic Continuous Mixing Tech
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out at low enough concentration tha
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educed viscosity, h r, to be comput
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Figure 2 Raw ACOMP signals from mul
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Figure 4 Mw vs. monomer conversion,
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decreases smoothly and monotonicall
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Figure 7 Effects of fluctuating rea
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Finally, the use of a light-scatter
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Figure 8 Linear and cubic increases
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where r(t) is now given by 2 6 r(t)
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Figure 11 Light scattering from sol
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3.1 ASimple System: Equilibrium Cha
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Figure 13 (a) ACM applied to the ch
Page 629 and 630:
Also of note in Fig. 13b is how hig
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15. JM Starita, CL Rohn. Rheologica
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52. M Hulden. Hydrophobically modif
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21 Light Scattering and the Solutio
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therefore, is to remove any lingeri
Page 639 and 640:
is often found in the literature wh
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Figure 2 Configuration of an SEC se
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5 THE IMPORTANCE OF SOFTWARE Like a
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standard deviations of the measured
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These include the differential weig
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Figure 8 Data of Fig. 7corrected fo
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Figure 11 Data of Fig. 10 with spik
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Figure 13 Fitstodatacollectedatasli
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Table 1 Errors (in %) Characteristi
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homogeneous copolymer, that is, tak
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process may be used to identify the
Page 661 and 662:
fractionated sample. They represent
Page 663 and 664:
Figure 16 An example of poor SEC ch
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on) methods, whereby the average di
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23. WH Stockmayer, LD Moore Jr, M F
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condition, as is explained in this
Page 671 and 672:
Figure 2 Partition coefficients KL
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4 COLUMNS FOR HOPC Detailsaregiveni
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and concomitant clogging of columns
Page 677 and 678:
Figure 5 Concentration dependence o
Page 679 and 680:
Table 1 Solution Volume, Polymer Ma
Page 681 and 682:
in Fig. 4a. The middle fractions (8
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Figure 10 SEC chromatograms for som
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appropriate for the early fractions
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23 Size Exclusion/ Hydrodynamic Chr
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Figure 2 Calibration curve for the
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Figure 5 Elutionbehaviorofpolystyre
Page 693 and 694:
Table 1 Comparison Between SEC and
Page 695 and 696:
egular SEC column in which the pore
Page 697:
Such an ideal separation can be obt
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