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Woodburytype: a forgotten 19th century photomechanical process and its 21st century resurrection (2020)
Presentation / Conference
Klein, S. (2020, June). Woodburytype: a forgotten 19th century photomechanical process and its 21st century resurrection

One of the technological achievements of the 19th century was the mass reproduction of photographic images. Woodburytype was the first commercially successful photomechanical continuous tone printing method, of unsurpassed quality until today. Along... Read More about Woodburytype: a forgotten 19th century photomechanical process and its 21st century resurrection.

Rheological and flow birefringence studies of rod-shaped pigment nanoparticle dispersions (2020)
Journal Article
Salamon, P., Geng, Y., Eremin, A., Stannarius, R., Klein, S., & Börzsönyi, T. (2020). Rheological and flow birefringence studies of rod-shaped pigment nanoparticle dispersions. Journal of Molecular Liquids, 313, https://doi.org/10.1016/j.molliq.2020.113401

We study rheological and rheo-optical properties of suspensions of anisometric pigment particles in a non-polar fluid. Different rheological regimes from the dilute regime to an orientationally arrested gel state were characterized and compared with... Read More about Rheological and flow birefringence studies of rod-shaped pigment nanoparticle dispersions.

The polychromatic Woodburytype: Colour tracking in translucent, patterned gelatin/pigment films (2020)
Journal Article
Leech, D. J., Guy, W., & Klein, S. (2020). The polychromatic Woodburytype: Colour tracking in translucent, patterned gelatin/pigment films. Molecules, 25(11), https://doi.org/10.3390/molecules25112468

The Woodburytype is a 19th century photomechanical technique capable of producing high-quality continuous-tone prints. It uses pigment dispersed in gelatin to produce a 2.5D print, in which the effect of varying tone is produced by a variation in the... Read More about The polychromatic Woodburytype: Colour tracking in translucent, patterned gelatin/pigment films.

Colour Without Colour (2020)
Presentation / Conference
Klein, S. (2020, April). Colour Without Colour. Paper presented at Helsinki Photomedia 2020, Helsinki

Woodburytype: A historical process resurrected by modern methods (2020)
Journal Article
Klein, S., Guy, W., Leech, D., & Argyle, J. (2020). Woodburytype: A historical process resurrected by modern methods. IMPACT Printmaking Journal,

One of the technological achievements of the 19th century was the mass reproduction of photographic images. Woodburytype was the first commercially successful photomechanical continuous tone printing method, of unsurpassed quality until today. Along... Read More about Woodburytype: A historical process resurrected by modern methods.

Under pressure: An exhibition of printmaking by staff at the University of the West of England, Bristol. (2020)
Exhibition / Performance
Klein, S., Buxton, A., & Menger, F. Under pressure: An exhibition of printmaking by staff at the University of the West of England, Bristol. [Print]. Exhibited at Bristol. 26 March 2020 - 21 April 2020. (Unpublished)

According to The New Oxford Shorter English Dictionary print is ‘an impressed mark or image’. Print cannot exist without pressure. Letter press, the cradle of modern printing, even has the word press, pressure in it. Whether it is an ink jet dropl... Read More about Under pressure: An exhibition of printmaking by staff at the University of the West of England, Bristol..

Continuous Tone Printing from Gel Matrices - The Woodburytype (2020)
Presentation / Conference
Leech, D., Guy, W., & Klein, S. (2020, March). Continuous Tone Printing from Gel Matrices - The Woodburytype

Prevailing print techniques such as inkjet rely on halftoning, a process whereby image tone is approximated by a matrix of droplets varying in density. This, while useful in many applications, ensures a direct link between the resolution and the drop... Read More about Continuous Tone Printing from Gel Matrices - The Woodburytype.

The optical properties of the Woodburytype - An alternative printing technique based on a gelatine/pigment matrix (2020)
Journal Article
Leech, D., Guy, W., & Klein, S. (2020). The optical properties of the Woodburytype - An alternative printing technique based on a gelatine/pigment matrix. Journal of Physics Communications, 4(1), https://doi.org/10.1088/2399-6528/ab6ed4

The Woodburytype is a 19th century photomechanical printing method, producing high-quality continuous-tone images that use a suspension of carbon black in gelatine as a relief print, in which the variation in height of the print produces the grayscal... Read More about The optical properties of the Woodburytype - An alternative printing technique based on a gelatine/pigment matrix.

How to print a rainbow (2020)
Presentation / Conference
Klein, S., & Menger, F. (2020, January). How to print a rainbow. Presented at Dana Research Centre Seminar Series, London

In the 17th century Isaac Newton demonstrated that white light consists of the superposition of different wavelengths visible as colour on a screen. How colour was perceived by a human observer was explained by the work of Thomas Young and Hermann vo... Read More about How to print a rainbow.

Historical 2.5D photomechanical printing (2019)
Conference Proceeding
Klein, S., & Parraman, C. (2019). Historical 2.5D photomechanical printing. In Proceedings of the Imaging Conference JAPAN 2019, (215-217)

One of the technological achievements of the 19th century was the mass reproduction of photographic images. Woodburytype was the first commercially successful photomechanical continuous tone printing method, of unsurpassed quality until today, and, a... Read More about Historical 2.5D photomechanical printing.

The Canadians: a collective effort to fulfill a naive promise (2019)
Other
Klein, S., Menger, F., & Argyle, J. (2019). The Canadians: a collective effort to fulfill a naive promise

The project came about to fulfill a naively given promise. In May 2019 Susanne and her friend Marianne visited Canada to attend Marianne’s great niece’s wedding. They stayed with Marianne’s family. As a thank you for their hospitality Susanne, took p... Read More about The Canadians: a collective effort to fulfill a naive promise.

The optical properties of the Woodburytype - An alternative printing technique based on a gelatine/pigment matrix (2019)
Conference Proceeding
Klein, S., Leech, D., & Guy, W. (2019). The optical properties of the Woodburytype - An alternative printing technique based on a gelatine/pigment matrix. https://doi.org/10.2352/ISSN.2169-4451.2019.35.42

The Woodburytype is a 19th century photomechanical technique, producing high-quality continuous-tone prints that use a mixture of pigment and gelatine as a relief print, in which the variation in height of the print produces the tone and contrast. We... Read More about The optical properties of the Woodburytype - An alternative printing technique based on a gelatine/pigment matrix.

RTI for RGB: Photographing mica based inks on black paper using reflectance transform imaging (2019)
Presentation / Conference
Parraman, C., & Klein, S. (2019, April). RTI for RGB: Photographing mica based inks on black paper using reflectance transform imaging. Paper presented at Transactions: Imaging/Art/Science: Image Quality, Content & Aesthetics

Over the last century printers rely on the combination of halftones and subtractive CMYK ink primaries to translate an image on screen into a colour print on paper. This is certainly commercially expedient for many industrial applications. However, t... Read More about RTI for RGB: Photographing mica based inks on black paper using reflectance transform imaging.

And now for something completely different: Woodburytype (2019)
Presentation / Conference
Klein, S., & Leech, D. (2019, April). And now for something completely different: Woodburytype. Presented at British Liquid Crystal Society 2019 Annual Conference

Woodburytype, invented by Walter B. Woodbury and patented in 1863, was the first commercially successful mechanical printing process for the permanent reproduction of photographic quality pictures and today is still unsurpassed in producing continuou... Read More about And now for something completely different: Woodburytype.

Collective dynamics in dispersions of anisometric pigment particles (2018)
Journal Article
May, K., Stannarius, R., Kang, K., Challa, P. K., Sprunt, S., Jakli, A., …Eremin, A. (2018). Collective dynamics in dispersions of anisometric pigment particles. Journal of Molecular Liquids, 267, 322-329. https://doi.org/10.1016/j.molliq.2018.01.172

© 2018 Elsevier B.V. Dynamics of suspensions of solid rodlike pigment particles in a non-polar solvent were studied in a concentration range from the isotropic up to the orientationally ordered nematic-like phase. Using dynamic light scattering and g... Read More about Collective dynamics in dispersions of anisometric pigment particles.

Optical and X-ray scattering studies of the electric field-induced orientational order in colloidal suspensions of pigment nanorods (2018)
Journal Article
Dozov, I., Buluy, O., Aryasova, N., Tereshchenko, O., Kurioz, Y., Nazarenko, V., …Reznikov, Y. (2018). Optical and X-ray scattering studies of the electric field-induced orientational order in colloidal suspensions of pigment nanorods. Journal of Molecular Liquids, 267, 286-296. https://doi.org/10.1016/j.molliq.2018.02.003

© 2018 Elsevier B.V. Under pulsed or a.c. electric fields, colloidal suspensions of nanorods can show strong electro-optic effects, such as the Kerr effect, with fast response times (a few ms), which makes them good candidates for some commercial app... Read More about Optical and X-ray scattering studies of the electric field-induced orientational order in colloidal suspensions of pigment nanorods.

Liquid crystalline phases in suspensions of pigments in non-polar solvents (2017)
Book Chapter
Klein, S., Richardson, R. M., & Eremin, A. (2017). Liquid crystalline phases in suspensions of pigments in non-polar solvents. In J. P. Lagerwall, & G. Scalia (Eds.), Liquid crystals with nano- and microparticles, 845-869. World Scientific Publishing Company

We will discuss colloid suspensions of pigments and compare their electro-optic properties with those of traditional dyed low molecular weight liquid crystal systems. There are several potential advantages of colloidal suspensions over low molecular... Read More about Liquid crystalline phases in suspensions of pigments in non-polar solvents.


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