All Outputs (760)

A Monte Carlo study of amphiphilic dendrimers: Spontaneous asymmetry and dendron separation (2005)
Journal Article
Giupponi, G., & Buzza, D. M. A. (2005). A Monte Carlo study of amphiphilic dendrimers: Spontaneous asymmetry and dendron separation. The Journal of chemical physics, 122(19), Article 194903. https://doi.org/10.1063/1.1896347

We study via Monte Carlo simulation the conformation of amphiphilic dendrimers for which terminal monomers (t) and internal monomers (i) interact differently with the solvent (s). Specifically, we have studied g=3,6 dendrimers as a function of χit, χ... Read More about A Monte Carlo study of amphiphilic dendrimers: Spontaneous asymmetry and dendron separation.

The initial-final mass relationship: Spectroscopy of white dwarfs in NGC 2099 (M37) (2004)
Journal Article
Kalirai, J. S., Richer, H. B., Reitzel, D., Hansen, B. M., Rich, R. M., Fahlman, G. G., Gibson, B. K., & Von Hippel, T. (2004). The initial-final mass relationship: Spectroscopy of white dwarfs in NGC 2099 (M37). Astrophysical journal. Letters, 618(2), L123-L127

We present new observations of very faint white dwarfs (WDs) in the rich open star cluster NGC 2099 (M37). Following deep, wide-field imaging of the cluster using the Canada-France-Hawaii Telescope, we have now obtained spectroscopic observations of... Read More about The initial-final mass relationship: Spectroscopy of white dwarfs in NGC 2099 (M37).

Rheology of fractionated and unfractionated hyperbranched polyesters (2004)
Journal Article
Kunamaneni, S., Buzza, D. M. A., De Luca, E., & Richards, R. W. (2004). Rheology of fractionated and unfractionated hyperbranched polyesters. Macromolecules, 37(24), 9295-9297. https://doi.org/10.1021/ma034932%2B

Monte Carlo simulation of dendrimers in variable solvent quality (2004)
Journal Article
Giupponi, G., & Buzza, D. M. A. (2004). Monte Carlo simulation of dendrimers in variable solvent quality. The Journal of chemical physics, 120(21), 10290-10298. https://doi.org/10.1063/1.1714829

The properties of g=1-6 dendrimers in variable solvent quality were studied using Monte Carlo simulation and Flory theory. It was found that the radius of gyration (Rg collapses significantly while going from athermal to extreme poor solvent conditio... Read More about Monte Carlo simulation of dendrimers in variable solvent quality.

Power law polydispersity and fractal structure of hyperbranched polymers (2004)
Journal Article
Buzza, D. M. (2004). Power law polydispersity and fractal structure of hyperbranched polymers. European Physical Journal E, 13(1), 79-86. https://doi.org/10.1140/epje/e2004-00042-3

Using the complementary approaches of Flory theory and the overlap function, we study the molecular weight distribution and conformation of hyperbranched polymers formed by the melt polycondensation of A-RN0-Bf - 1monomers in their reaction bath clos... Read More about Power law polydispersity and fractal structure of hyperbranched polymers.

Size exclusion chromatography and rheology of AB/AB2 hyperbranched polymers (2003)
Presentation / Conference Contribution
Kunamaneni, S., Buzza, D. M. A., Parker, D., & Feast, W. J. Size exclusion chromatography and rheology of AB/AB2 hyperbranched polymers

We report size exclusion chromatography (SEC) and linear shear rheology results for a series of AB/AB2 hyperbranched polyesters. For these samples, the weight average molecular weight Mw was systematically varied from 3000 to 250000 but the spacer le... Read More about Size exclusion chromatography and rheology of AB/AB2 hyperbranched polymers.

Towards the intelligent CMM (2002)
Journal Article
Zhang, G. X., Liu, S. G., Ma, X. H., Wang, J. L., Wu, Y. Q., & Li, Z. (2002). Towards the intelligent CMM. CIRP Annals - Manufacturing Technology, 51(1), 437-442. https://doi.org/10.1016/S0007-8506%2807%2961555-8

'Intelligent' CMMs are likely to become the next generation of CMMs. In this paper the main features of an intelligent CMM are proposed. In operation, the geometric and measuring information of the part would be extracted from its CAD file. A measuri... Read More about Towards the intelligent CMM.

Rheology and molecular weight distribution of hyperbranched polymers (2002)
Journal Article
Buzza, D. M., Groves, D. J., McLeish, T. C., Parker, D., Keeney, A. J., Feast, W. J., & Suneel. (2002). Rheology and molecular weight distribution of hyperbranched polymers. Macromolecules, 35(25), 9605-9612. https://doi.org/10.1021/ma020820r

We study the melt rheology and molecular weight distribution of four short chain branched hyperbranched polyesters with different molecular weights and containing branched monomers of various alkyl chain lengths n (2 → 4; n is the number of CH2 group... Read More about Rheology and molecular weight distribution of hyperbranched polymers.

General Theory for Capillary Waves and Surface Light Scattering (2002)
Journal Article
Buzza, D. M. (2002). General Theory for Capillary Waves and Surface Light Scattering. Langmuir : the ACS journal of surfaces and colloids, 18(22), 8418-8435. https://doi.org/10.1021/la011713d

We present a general theory for capillary waves and surface quasi-elastic light scattering for an isotropic liquid interface with adsorbed surfactant. We first examine the validity of three constitutive models for isotropic interfaces in the Newtonia... Read More about General Theory for Capillary Waves and Surface Light Scattering.

A Monte Carlo simulation scheme for nonideal dendrimers satisfying detailed balance (2002)
Journal Article
Giupponi, G., & Buzza, D. M. A. (2002). A Monte Carlo simulation scheme for nonideal dendrimers satisfying detailed balance. Macromolecules, 35(26), 9799-9812. https://doi.org/10.1021/ma0203851

We present a configurational-biased lattice Monte Carlo scheme for simulating nonideal dendrimers that satisfies detailed balance. This corrects an important shortcoming in a previous lattice Monte Carlo scheme by Mansfield and Klushin: in a previous... Read More about A Monte Carlo simulation scheme for nonideal dendrimers satisfying detailed balance.

Monte Carlo simulation scheme for dendrimers satisfying detailed balance (2001)
Journal Article
Wallace, E. J., Buzza, D. M., & Read, D. J. (2001). Monte Carlo simulation scheme for dendrimers satisfying detailed balance. Macromolecules, 34(20), 7140-7146. https://doi.org/10.1021/ma0104130

A lattice Monte Carlo scheme for simulating dendrimers that is widely referenced in the literature is that of Mansfield and Klushin (Macromolecules 1993, 26, 4262). However, we show that this scheme does not obey a detailed balance and propose a modi... Read More about Monte Carlo simulation scheme for dendrimers satisfying detailed balance.

The intelligent technology of CMM (2001)
Journal Article
Zhao, Y., Li, Z., Zhang, G., Liu, S., Wang, J., & Ma, X. (2001). The intelligent technology of CMM. Ji liang xue bao = Acta metrologica Sinica, 22(3), 164-167. https://doi.org/10.3321/j.issn%3A1000-1158.2001.03.002

The key technologies of intelligent CMM, including extracting the measuring information of a part from its CAD files, deciding measuring strategies, making algorithms of object-oriented error compensation, accuracy optimization, and collision-free me... Read More about The intelligent technology of CMM.

Linear melt rheology and small-angle X-ray scattering of AB diblocks vs A2B2 four arm star block copolymers (2000)
Journal Article
Buzza, D. M., Fzea, A. H., Allgaier, J. B., Young, R. N., Hawkins, R. J., Hamley, I. W., McLeish, T. C. B., & Lodge, T. P. (2000). Linear melt rheology and small-angle X-ray scattering of AB diblocks vs A2B2 four arm star block copolymers. Macromolecules, 33(22), 8399-8414. https://doi.org/10.1021/ma000382t

The frequency dependent viscoelastic properties and lamellar spacing of three symmetric styrene-isoprene (PS-PI) diblock copolymers are compared to those of their hetero-four-arm star counterparts. The PS and PI arm molecular weights of the three lin... Read More about Linear melt rheology and small-angle X-ray scattering of AB diblocks vs A2B2 four arm star block copolymers.

Applications of laser generated ultrasound using an interferometric sensor (1987)
Thesis
McKie, A. D. W. Applications of laser generated ultrasound using an interferometric sensor. (Thesis). University of Hull. https://hull-repository.worktribe.com/output/4421438

To compliment non-contacting ultrasonic generation using lasers, it is ideal to have a remote, non-contacting detector. An interferometer, based on the Michelson design, has been constructed for the purpose of this thesis, enabling laser generated ul... Read More about Applications of laser generated ultrasound using an interferometric sensor.

Characteristics of a laser-generated acoustic source in solids (1986)
Thesis
Aindow, A. M. Characteristics of a laser-generated acoustic source in solids. (Thesis). University of Hull. https://hull-repository.worktribe.com/output/4421475

This thesis describes a combined experimental and theoretical study of acoustic generation in solids by laser irradiation.
Two basic types of laser acoustic source are identified, namely, the thermoelastic and the ablation source. Both sources are d... Read More about Characteristics of a laser-generated acoustic source in solids.

Laser-generated ultrasound with applications to non-destructive evaluation (1985)
Thesis
Cooper, J. A. Laser-generated ultrasound with applications to non-destructive evaluation. (Thesis). University of Hull. https://hull-repository.worktribe.com/output/4421453

The generation of ultrasound by laser interaction with materials was first studied by White in 1963. Since this time work has been published on both generation in liquids and solids using CW and pulsed lasers. It was first noted by Bondarenko in 1976... Read More about Laser-generated ultrasound with applications to non-destructive evaluation.

The i-process and CEMP-r/s stars
Presentation / Conference Contribution
Ritter, C., Dardelet, L., Prado, P., Heringer, E., Higgs, C., Sandalski, S., Jones, S., Denissenkov, P., Venn, K., Bertolli, M., Woodward, P., Herwig, F., Pignatari, M., Bertolli, M., Dardelet, L., Denisenkov, P. A., Higgs, C., Jones, S., Masikiv Heringer, E. T., Prado, P., …Venn, K. The i-process and CEMP-r/s stars. Presented at Proceedings of Science

© Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike Licence. We investigate whether the anomalous elemental abundance patterns in some of the C-enhanced metal-poor-r/s (CEMP-r/s) stars are c... Read More about The i-process and CEMP-r/s stars.

Calamatic liquid crystal blends for organic photovoltaics
Presentation / Conference Contribution
Lei, C., Al Khalifah, M. S., O'Neill, M., Aldred, M. P., Kitney, S. P., Vlachos, P., & Kelly, S. M. Calamatic liquid crystal blends for organic photovoltaics. Paper presented at Organic Photovoltaics IX

Four different perylene-based electron-acceptors having similar electron affinities, but different thermotropic phases are blended with nematic liquid crystalline electron-donors with a fluorene-thiophene structure to form single layer photovoltaic d... Read More about Calamatic liquid crystal blends for organic photovoltaics.

Photopolymerization studies of a light-emitting liquid crystal with methacrylate reactive groups for electroluminescence
Presentation / Conference Contribution
Woon, K. L., Liedtke, A., O'Neill, M., Aldred, M. P., Kitney, S. P., Vlachos, P., Bruneau, A., & Kelly, S. M. Photopolymerization studies of a light-emitting liquid crystal with methacrylate reactive groups for electroluminescence. Paper presented at Liquid Crystals XII

Light-emitting reactive mesogens are promising materials for photolithographically processable organic light-emitting diodes (OLEDs). We study the photopolymerization of a fluorene-based mesogen with methacrylate photoreactive groups. We find that th... Read More about Photopolymerization studies of a light-emitting liquid crystal with methacrylate reactive groups for electroluminescence.

Catching element formation in the act
Other
Fryer, C. L., Timmes, F., Hungerford, A. L., Couture, A., Adams, F., Aoki, W., Arcones, A., Arnett, D., Auchettl, K., Avila, M., Badenes, C., Baron, E., Bauswein, A., Beacom, J., Blackmon, J., Blondin, S., Bloser, P., Boggs, S., Boss, A., Brandt, T., …Pignatari, M. (2019). Catching element formation in the act

Gamma-ray astronomy explores the most energetic photons in nature to address some of the most pressing puzzles in contemporary astrophysics. It encompasses a wide range of objects and phenomena: stars, supernovae, novae, neutron stars, stellar-mass b... Read More about Catching element formation in the act.