Crossref journal-article
SAGE Publications
Applied Spectroscopy (179)
Abstract

An instrument has been developed to acquire polarized attenuated total internal reflection (ATIR) mid-IR spectra of supported monomolecular films in situ at the lipid/water (L/W) interface. The monolayer film is applied to the treated surface of a trapezoidal germanium crystal as it is immersed into the subphase of a specially designed Langmuir-Blodgett trough. This approach offers several advantages over the study of monolayer films at the air/water (A/W) interface by external reflection techniques, including (1) an improved signal throughput and multiple reflections, both contributing to an improved signal-to-noise (S/N) ratio; (2) versatility with respect to the chemical nature of the surface; and (3) the ability to use standard spectral subtraction methods to compensate for absorption of the aqueous subphase. The enhanced sensitivity of this approach facilitates the study of in situ interactions of peptides with fully hydrated lipid membrane surfaces.

Bibliography

Axelsen, P. H., Braddock, W. D., Brockman, H. L., Jones, C. M., Dluhy, R. A., Kaufman, B. K., & Puga, F. J. (1995). Use of Internal Reflectance Infrared Spectroscopy for the in Situ Study of Supported Lipid Monolayers. Applied Spectroscopy, 49(4), 526–531.

Authors 7 University of Pennsylvania
  1. Paul H. Axelsen (first) University of Pennsylvania
  2. W. David Braddock (additional) University of Pennsylvania
  3. Howard L. Brockman (additional) University of Pennsylvania
  4. Craig M. Jones (additional) University of Pennsylvania
  5. Richard A. Dluhy (additional) University of Pennsylvania
  6. Brad K. Kaufman (additional) University of Pennsylvania
  7. Francisco J. Puga (additional) University of Pennsylvania
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Dates
Type When
Created 20 years, 3 months ago (May 21, 2005, 12:24 p.m.)
Deposited 5 months, 2 weeks ago (March 10, 2025, 5:16 p.m.)
Indexed 5 months, 2 weeks ago (March 11, 2025, 12:34 a.m.)
Issued 30 years, 4 months ago (April 1, 1995)
Published 30 years, 4 months ago (April 1, 1995)
Published Online 30 years, 4 months ago (April 1, 1995)
Published Print 30 years, 4 months ago (April 1, 1995)
Funders 0

None

@article{Axelsen_1995, title={Use of Internal Reflectance Infrared Spectroscopy for the in Situ Study of Supported Lipid Monolayers}, volume={49}, ISSN={1943-3530}, url={http://dx.doi.org/10.1366/0003702953964273}, DOI={10.1366/0003702953964273}, number={4}, journal={Applied Spectroscopy}, publisher={SAGE Publications}, author={Axelsen, Paul H. and Braddock, W. David and Brockman, Howard L. and Jones, Craig M. and Dluhy, Richard A. and Kaufman, Brad K. and Puga, Francisco J.}, year={1995}, month=apr, pages={526–531} }