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Related Concept Videos

Imprinting01:22

Imprinting

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Behavioral imprinting is observed in some newborn animals and occurs when they develop strong and specific attachments to another animal (usually a parent) following brief, early-life exposures. Offspring imprint onto parents within a brief period after birth or hatching; this time window is called the critical period. Once imprinting occurs, the bond established between the parents and their offspring is usually long-lasting.
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A peptide bond covalently attaches amino acids through a dehydration reaction. One amino acid's carboxyl group and another amino acid's amino group combine, releasing a water molecule. The resulting bond is the peptide bond. The products that such linkages form are peptides. As more amino acids join this growing chain, the resulting chain is a polypeptide. Each polypeptide has a free amino group at one end. This end has the N-terminal, or the amino-terminal, and the other end has a free...
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Diploid organisms inherit genetic material through chromosomes from both parents. Copies of the same gene are known as alleles. In most cases, both alleles are simultaneously expressed and allow various cellular processes to function optimally. If one of the alleles is missing or mutated, the expression of the other allele can compensate; however, this is not true for all genes.
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Tandem mass spectrometry, also known as MS/MS or MS2, is an analytical technique that employs two mass analyzers. Essentially it is a series of mass spectrometers that helps isolate a particular biomolecule and then helps study its chemical properties.
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Related Experiment Video

Updated: Apr 28, 2026

Peptide-based Identification of Functional Motifs and their Binding Partners
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Peptide recognition via hierarchical imprinting.

Maria Magdalena Titirici1, Börje Sellergren

  • 1INFU, Universität Dortmund, Otto-Hahn Str. 6, 44122 Dortmund, Germany. magda@infu.uni-dortmund.de

Analytical and Bioanalytical Chemistry
|February 6, 2004
PubMed
Summary

Hierarchically imprinted polymers with surface binding sites were created using silica templates and peptide epitopes. These novel materials demonstrate selective recognition of larger peptide molecules, advancing molecular imprinting technology.

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Area of Science:

  • Materials Science
  • Polymer Chemistry
  • Biotechnology

Background:

  • Molecular imprinting creates polymers with specific binding sites.
  • Traditional methods often struggle with imprinting larger molecules effectively.
  • Peptidic templates offer unique recognition capabilities.

Purpose of the Study:

  • To develop hierarchically imprinted polymers using immobilized peptidic templates on silica.
  • To create polymers with surface-located binding sites for enhanced molecular recognition.
  • To evaluate the recognition capabilities of these polymers for larger peptide sequences.

Main Methods:

  • Silica particles functionalized with peptidic templates were used as molds.
  • Monomers and initiators filled the silica pores, followed by polymerization.
  • Silica templates were dissolved, leaving imprinted polymers.
  • Characterization involved elemental analysis, FT-IR, fluorescence microscopy, SEM, and nitrogen adsorption.
  • Chromatographic properties were investigated to assess material performance.

Main Results:

  • Hierarchically imprinted polymers with surface binding sites were successfully synthesized.
  • Characterization confirmed the reproducibility of synthesis steps.
  • The imprinted polymers demonstrated selective binding towards template peptides and related dipeptides.
  • The materials effectively recognized larger peptides containing the immobilized sequence.

Conclusions:

  • Immobilized peptidic templates on silica enable the generation of hierarchically imprinted polymers.
  • These polymers possess surface binding sites suitable for recognizing larger peptide molecules.
  • The developed materials show promise for applications in molecular recognition and separation technologies.