Permeation through liquid surfactant membranes

Li, Norman N.

doi:10.1002/aic.690170239

Cited by 207 publications

(40 citation statements)

References 12 publications

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“…A method of generating and effectively using small diameter liquid membranesencapsulated oxygen bubbles is needed. Perhaps, the methods used to make small diameter liquid membranes for other applications (2,3,4) could be used.…”

Section: Resultsmentioning

confidence: 99%

Blood Oxygenation by Liquid Membrane Permeation

Asher

1973

Advances in Chemistry

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Blood oxygenation is one of the many potential applications of the separation"Dlood oxygenation is one of the many potential applications of the -^separation technique using liquid membranes developed at Esso Research (I, 2, 3, 4). In the presently available artificial lung devices, blood comes in contact directly with oxygen bubbles, with oxygen at mosphere, or with oxygen that has permeated through a solid polymeric membrane. These devices have served admirably for short times-e.g., in surgery. However, they have had limited success for prolonged oxy genation, as might be used to aid patients with reversible respiratory insufficiency. The two primary problems for prolonged oxygenation are: (1) blood hemolysis-the rupture of red blood cells-and (2) denatura-1

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Section: Resultsmentioning

confidence: 99%

Blood Oxygenation by Liquid Membrane Permeation

Asher

1973

Advances in Chemistry

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“…Solid microcapsules loaded with bioactive polymers are also prepared from W/O/W droplets by the solvent evaporation method [16][17][18][19]. Other applications studied thus far include the synthesis of composite microspheres [20] and the use of an intermediate phase as a permeable membrane in separation technology [21][22][23][24][25][26].…”

Section: Introductionmentioning

confidence: 99%

Microstructured Devices for Preparing Controlled Multiple Emulsions

Nisisako

2008

Chem Eng & Technol

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The preparation of multiple emulsions with controlled droplet sizes and internal structures has been a challenge for a long time. However, in recent years, a major breakthrough has been achieved in the preparation of monodisperse single emulsions by small-scale fluid processing, which has enabled the formation of multiple emulsions with the desired droplet sizes, structures, and compositions. This review deals with the preparation of controlled multiple emulsions in various microstructured devices. The four preparation pathways are discussed individually. They are (a) membrane emulsification, (b) microchannel emulsification, (c) the use of a two-dimensional microfluidic device, and (d) the use of a three-dimensional coaxial microcapillary device. The applications of the prepared multiple emulsions to a novel class of materials are also discussed.

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“…Some of the applications include: the selective extraction of hydrocarbons (36), the recovery of rare earths from process streams (37), the extraction of organic contaminants like phenol from water streams (38), and amino acid recovery (39).…”

Section: Liquid Membranesmentioning

confidence: 99%

Modeling and Applications of Downstream Processing

Hamel

Hunter

1990

ACS Symposium Series

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Downstream processing is playing an increasingly important role in the biochemical industry, especially since the advent of recombinant DNA technology. The use of recombinant DNA technology not only enables improvements in the production efficiency of therapeutic and industrial proteins, but it also permits the modification and improvement of protein structure and thus function.However, the commercial application of such technology was initially accompanied by concerns over product safety.Quality criteria have been made especially stringent for products derived from genetically-modified microorganisms. The establishment of strict quality guidelines was the result of early concern about the oncogenic potential related to products contaminated by DNA sequences of the host mammalian cells (1). The quest for high quality has created a growing need for high-resolution techniques at the process scale as well as for novel strategies for the isolation and purification of bioproducts. Since the typical environment for producing biologicals is a complex one and quality criteria need to be strict, primary recovery techniques are typically implemented in a purification scheme prior to (or in conjunction with) high-resolution techniques. The most sophisticated and useful schemes take advantage of both the different physical and chemical properties of the components in complex mixtures and of the interactive nature of the downstream processing techniques (see Figure 1).

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Permeation through liquid surfactant membranes

Cited by 207 publications

References 12 publications

Blood Oxygenation by Liquid Membrane Permeation

Blood Oxygenation by Liquid Membrane Permeation

Microstructured Devices for Preparing Controlled Multiple Emulsions

Modeling and Applications of Downstream Processing

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