Vs. grafted

Fig. 14. Normalized enhanced adhesive strength G0- Wyw vs grafting density o for a brush (with N=743, Nc=230 and y W/2) according to Eq. (10) (full curve), and Eqs. (13) and (14) (dashed curve). In both cases the optimum is indicated by a black dot...

Lauer BA, Githens JH, Hayward AR, Conrad PD, Yanagihara RT, Tubergen DG. Probable graft-vs-graft reaction in an infant after exchange transfusion and marrow transplantation. Pediatrics 1982 70(l) 43-7. 

Synthesis, Structure, and Characterization of Mesoporous Materials 561 Co-condensation vs. Grafting... 

The density measurements on thermally processed polymers clearly show the formation of a foamed polymer. The initial density values for selected foams together with the respective polyimide homopolymers are shown in Tables 4 and 5. The density values for the ODPA/FDA and PMDA/FDA homopolyimides were both 1.28 g cm 3 and 3FDA/PMDA is 1.34. Most of the propylene oxide-based copolymers derived from these copolymers ranged from 1.09 to 1.27gem-3, which is -85-99% of that of the polyimide homopolymers, irrespective of the architecture of the copolymer (i.e., triblock vs graft). This is consistent with 1-15% of the film being occupied by voids. From these data (i.e., comparison of Tables 2 and 3 with Tables 4 and 5, respectively), it appears that the volume fraction of propylene oxide in the copolymer (i.e., -80% or less). Thus, the efficiency of foam formation is poor, irrespective of the copolymer architecture. Conversely,... 

Figure 11. Platelet consumption vs. graft level of polyacrylamide-Silastic shunts (9). (Numbers in parentheses refer to the number of shunts tested for each value reported.)...

OCTANE-IN-WATER CONTACT ANGLE VS. GRAFTING YIELD... 

Fig. 1. The polymer brush approach and their classification grafting to vs grafting from approaches and surface-initiated poljrmerization (SIP). The influence of grafting density and the enthalphic and entropic factors are clearly present on the grafting onto approach. Higher grafting density is expected with the SIP.

Berisha, A., C. Combellas, F. Kanoufi, J. Pinson, F. I. Podvorica. Physisorption vs grafting of aryldiazonium salts onto iron A corrosion study. Electrochim. Acta 56, 2011 10762-10766. 

Monomer compositional drifts may also occur due to preferential solution of the styrene in the mbber phase or solution of the acrylonitrile in the aqueous phase (72). In emulsion systems, mbber particle size may also influence graft stmcture so that the number of graft chains per unit of mbber particle surface area tends to remain constant (73). Factors affecting the distribution (eg, core-sheU vs "wart-like" morphologies) of the grafted copolymer on the mbber particle surface have been studied in emulsion systems (74). Effects due to preferential solvation of the initiator by the polybutadiene have been described (75,76). 

Figure 7 Notched impact strength vs. interparticle distance for PBT-maleic anhydride grafted EOR blends. Source Ref. 58.

The "stealth" concept may offer two other opportunities for liposome application (1) Conventional immunoliposomes (see Sec. VI.C) have been shown to be removed rapidly firom the circulation by the MPS (Peeters et al., 1987). The combination of the stealth approach for longer circulation with the attachment of antibodies or antibody fragments may provide a means of delivery of drugs to their sites of action with a high degree of specificity. This could be useful for treating leukemia, graft-vs.-host diseases, and HIV disease. 

Delayed hemolytic reactions ° Graft vs host disease... 

Garside, P., Hutton, A.K., Severn, A., Liew, F.Y. and Mowat, A.M. (1992b) Nitric oxide mediates intestinal pathology in graft-vs.-host disease. European Journal of Immunology 22, 2141-2145. 

Piguet, P.F., Grau, G.E., Allet, B. and Vassalli, P. (1987) Tumor necrosis factor/ cachectin is an effector of skin and gut lesions of the acute phase of graft-vs.-host disease. Journal of Experimental Medicine 166, 1280-1289. 

The plots of h/h vs. copolymer concentration also reveal differences in the micropolarity of the hydrophobic domains created upon association of the various copolymers in water. A qualitative assessment of this property is given by the h/h value determined in the copolymer solutions of highest concentration when the plateau value is attained (Fig. 25). This value depended significantly on the grafting level the solution of the most densely grafted copolymer yielded the lowest h/h value (1.40) and the pure homopolymer the highest. In all cases, this value is higher than the value (1.20) recorded for micellar solutions of the macromonomer. It can be concluded... 

ARGET ATRP has been successfully applied for polymerization of methyl methacrylate, ft-butyl acrylate and styrene in the presence of Sn(EH)2 (10 mol% vs. alkyl halide initiator or 0.07 mol% vs. monomer) [164,165]. For all monomers, polymerizations were well controlled using between 10 and 50 ppm of copper complexes with highly active TPMA and Me6TREN ligands. ARGET ATRP has also been utilized in the synthesis of block copolymers (poly(n-butyl acrylate)— -polystyrene and polystyrene-Z -poly(n-butyl acrylate) [164,165] and grafting... 

Figure 7. Plots of contact angle of OFF film to water vs. IR absorbance [AM] = 2.00M, [BP] = 0.20M. Solvent for grafting (O) acetone, (9) acetone/n-hexane-...

Figure 11. Plots of graft yield and surface polyAM concentration vs. dielectric constant of reacting solution [AM] = 2.00M, [BP] = 0.20M, irradiation for 90 min. Solvent compositions (1) acetone alone (2) acetone/acetonitrile (8.6/1.4) (3) acetone/acetonitrile(3/l) (4) acetone/Hs0(9/1) (5) acetone/acetonitrile(l/l) (6) acetone/acetonitrile] 1/3) (7) acetonitrile alone.

Figure 4. Plots of K(gel) (O) and R(graft) (9) vs. [U] in the irradiation of various polyethylenes in the presence of CTFE...

This way it has been possible to observe the anticipated conformational transition by experiment. Cylindrical brushes of polybutylacrylate-graft polymethacrylate were adsorbed on the surface of water from a CHCI3 solution on a Langmuir trough and studied by recording the tt-A (surface pressure vs molecular area) isotherm. At different stages of compression, the monolayer was... 

To better understand how absorbency varies with s2 xxiificatioi method, (i e stirred sigma reactor vs unstirred flask), another graft polymerization was carried out and the reaction mixture eifter polymerization was divided into two portions, which were treated as follows (Table IV) 1) Ihe first portion (300 g) was... 

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