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Imprinting

Imprinting

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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Related Experiment Video

Updated: Sep 28, 2025

Nanomoulding of Functional Materials, a Versatile Complementary Pattern Replication Method to Nanoimprinting

Nanomoulding of Functional Materials, a Versatile Complementary Pattern Replication Method to Nanoimprinting

Published on: January 23, 2013

Molecularly imprinted wax.

Long Jiang¹, Tao Jing¹, Xiantao Shen¹

¹State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, #13 Hangkong Road, Wuhan, Hubei, 430030, China. xtshenlab@hust.edu.cn.

Journal of Materials Chemistry. B

|April 4, 2022

Summary

This summary is machine-generated.

Researchers developed novel molecularly imprinted wax (MIW) spheres for elution-free solid-phase extraction (SPE). These MIW spheres offer high selectivity and can be dissolved or melted for analysis, simplifying sample pretreatment.

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Area of Science:

Analytical Chemistry
Materials Science

Background:

Solid-phase extraction (SPE) is crucial for sample pretreatment.
Conventional wax spheres have limited affinity for target analytes in SPE.
Developing elution-free SPE methods is highly desirable.

Purpose of the Study:

To prepare molecularly imprinted wax (MIW) spheres with enhanced analyte affinity and selectivity.
To demonstrate an elution-free SPE process using the developed MIW spheres.
To explore the application of MIW spheres in fluorescence and mass spectrometry.

Main Methods:

Synthesized MIW spheres using octadecanoic acid as the functional monomer and wax as the matrix.
Evaluated the molecular recognition ability and selectivity of MIW spheres.
Investigated the dissolution and melting properties of MIW for subsequent analysis.

Main Results:

Successfully prepared MIW spheres with significant molecular recognition and high selectivity.
MIW spheres can be dissolved in n-hexane or melted for analysis, eliminating the need for elution.
Melted MIW demonstrated high repeatability, sensitivity, and specificity in solid-state fluorescence detection.

Conclusions:

The developed imprinting method offers a novel approach for creating effective SPE adsorbents.
Elution-free SPE using MIW spheres simplifies sample pretreatment and analysis.
This technique holds promise for advancing analytical chemistry applications.