# Fabrication of Free-Standing Gelatin Thin Films via the Gelation and Drying of Liquid Foam Films

https://mdr.nims.go.jp/datasets/5e1938f5-3eb3-4ef7-98a6-9c1443f13797

## File

- [Manuscript_clear.pdf](https://mdr.nims.go.jp/filesets/e3896bba-20dc-4d68-88f9-7e2e3141f1d6/download) ([Detail](https://mdr.nims.go.jp/filesets/e3896bba-20dc-4d68-88f9-7e2e3141f1d6.md))

## Id

5e1938f5-3eb3-4ef7-98a6-9c1443f13797

## Local identifier



## Visibility

open_to_public

## State

published

## Created at

2025-12-09T04:12:05.513200Z

## Updated at

2025-12-09T23:30:36.279103Z

## Published at

2025-12-09T23:23:47.526687Z

## Doi

https://doi.org/10.48505/nims.5981

## First published url

https://doi.org/10.1021/acs.langmuir.5c03893

## Date published

2025-10-28

## Recorded date published

2025-10-28

## Resource type

journal_article

## Manuscript type

accepted_manuscript

## Collection



## Title

- title: Fabrication of Free-Standing Gelatin Thin Films via the Gelation and Drying
    of Liquid Foam Films
  title_type: original
  lang: en

## Description

- description: Ultrathin foam films can be prepared from numerous compounds under
    a wide range of conditions but have a narrow application scope because of their
    small size, susceptibility to rupture, and other drawbacks arising from low mechanical
    stability of the bilayer structure. To address this gap, we herein prepared ultrathin
    foam films of gelatin using a facile method via drying thin liquid films of aqueous
    gelatin solutions and the gelation. Their thickness ranges between nanometers
    to micrometers in response to changes in process parameters. The effects of various
    process parameters, including the solution concentration, frame size, drying temperature,
    and humidity, were systematically investigated. In addition to surface tension
    affecting the initial formation of the liquid film, the high viscosity of the
    solutions stabilized the film and caused gelation. The key formation factor of
    the dried foam films was explained by the sol–gel behavior of aqueous gelatin
    solutions. The prepared films are mechanically more stable than surfactant films
    and therefore have a wide range of potential applications as separation membranes.
    Glutaraldehyde cross-linking makes these films water-insoluble and therefore suitable
    for use as a nanoseparation membrane. Fully cross-linked gelatin thin films showed
    a rejection performance of 100% for 5 and 2 nm gold colloids, Direct Yellow 1,
    and potassium ferricyanide.
  description_type: abstract
  lang: und

## Creator

- name: Ashesh Garai
  role: author
- name: Sadaki Samitsu
  role: author
  orcid: https://orcid.org/0000-0002-4139-1656
  organization: National Institute for Materials Science
- name: Miwa Ohniwa
  role: author
- name: Izumi Ichinose
  role: author
  orcid: https://orcid.org/0000-0002-2236-0942
  organization: National Institute for Materials Science

## Contact agent



## Publisher

organization: American Chemical Society (ACS)

## Managing organization



## Keyword

- subject: gelatin
  schema: not_defined
- subject: thermal gelation
  schema: not_defined
- subject: sol–gel behavior
  schema: not_defined
- subject: free-standing thin film
  schema: not_defined
- subject: foam film
  schema: not_defined
- subject: separation membranes
  schema: not_defined

## Rights

- identifier: https://creativecommons.org/licenses/by/4.0/

## Other identifier(s)



## Data origin

- data_origin_type: other

## Embargo



## Journal

- title: LANGMUIR
  issn: '15205827'
  volume: '41'
  issue: '42'
  start_page: 28637
  end_page: 28645

## Conference



## Related item



## Funding

- funder_name: Nippon Sheet Glass Foundation for Materials Science and Engineering
- identifier: 21H02006
  funder_name: Japan Society for the Promotion of Science
- identifier: 23K23417
  funder_name: Japan Society for the Promotion of Science
- identifier: JPJ009237
  funder_name: Council for Science, Technology and Innovation

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## Chemical composition



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## Fileset

- id: e3896bba-20dc-4d68-88f9-7e2e3141f1d6
  filename: Manuscript_clear.pdf
  content_type: application/pdf
  size: 1262514
  md5: 8588b3eadd1b54fbb73b30f41de112fa

## Thumbnail

fileset_id: e3896bba-20dc-4d68-88f9-7e2e3141f1d6
filename: Manuscript_clear.pdf