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Assessment of Stress Effects on Cognitive Flexibility using an Operant Strategy Shifting Paradigm07:26

Assessment of Stress Effects on Cognitive Flexibility using an Operant Strategy Shifting Paradigm

Stressful life events impair cognitive function, increasing the risk of psychiatric disorders. This protocol illustrates how stress affects cognitive flexibility using an automated operant strategy shifting paradigm in male and female Sprague Dawley rats. Specific brain areas underlying particular behaviors are discussed, and translational relevance of results are...
3.9K
Single-molecule Manipulation of G-quadruplexes by Magnetic Tweezers08:28

Single-molecule Manipulation of G-quadruplexes by Magnetic Tweezers

A single-molecule magnetic tweezers platform to manipulate G-quadruplexes is reported, which allows for the study of G4 stability and regulation by various...
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From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding06:44

From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding

A protocol for the synthesis of a new type of mesogens, based on the halogen-bonded supramolecular anion [CnF2n+1-I···I···I-CnF2n+1]−, is...
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Pure Shift Nuclear Magnetic Resonance: a New Tool for Plant Metabolomics13:16

Pure Shift Nuclear Magnetic Resonance: a New Tool for Plant Metabolomics

This paper presents the use of PSYCHE and SAPPHIRE-PSYCHE in the metabolic profiling of plants and includes detailed procedures for sample preparation and optimal Pure Shift NMR spectra recording. Examples through which the gain in resolution achieved by homonuclear decoupling allows a more comprehensive understanding of the system are...
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Insights into the Interactions of Amino Acids and Peptides with Inorganic Materials Using Single-Molecule Force Spectroscopy05:44

Insights into the Interactions of Amino Acids and Peptides with Inorganic Materials Using Single-Molecule Force Spectroscopy

Here we present a protocol to measure the force of interactions between a well-defined inorganic surface and either peptides or amino acids by single-molecule force spectroscopy measurements using an atomic force microscope (AFM). The information obtained from the measurement is important to better understand the peptide-inorganic material...
8.5K
Analyzing Telomeric Protein-DNA Interactions Using Single-Molecule Magnetic Tweezers11:21

Analyzing Telomeric Protein-DNA Interactions Using Single-Molecule Magnetic Tweezers

This protocol demonstrates using single-molecule magnetic tweezers to study interactions between telomeric DNA-binding proteins (Telomere Repeat-binding Factor 1 [TRF1] and TRF2) and long telomeres extracted from human cells. It describes the preparatory steps for telomeres and telomeric repeat-binding factors, the execution of single-molecule experiments, and the data collection and analysis...
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