Related Experiment Video
Updated: Feb 15, 2026
08:35
Hybrid Printing for the Fabrication of Smart Sensors
Published on: January 31, 2019
8.6K
Divide and Control: Comparison of Split and Switch Hybridization Sensors
Alexandra L Smith1, Dmitry M Kolpashchikov2
1Chemistry Department, University of Central Florida, 4000 N. Central Florida Ave, Orlando, FL 32826.
Chemistryselect
|January 27, 2018
Summary
Binary deoxyribozyme (BiDz) probes offer superior selectivity for single base substitution detection compared to catalytic molecular beacon (CMB) probes. BiDz also feature simpler design and assay optimization for nucleic acid analysis.
Area of Science:
- Molecular Biology
- Biochemistry
- Nucleic Acid Analysis
Background:
- Hybridization probes are crucial tools for nucleic acid analysis in various fields, including medicine and research.
- Instantaneous hybridization probes (IHPs) provide real-time signaling upon target binding, eliminating complex isolation steps.
- Common IHP designs include conformational switches and split-strand approaches.
Purpose of the Study:
- To compare the performance of split-design deoxyribozyme (Dz) hybridization probes (BiDz) against switch-design probes (CMBs).
- To evaluate probe selectivity, background signal, and ease of optimization for nucleic acid detection.
Main Methods:
- Developed and tested binary deoxyribozyme (BiDz) probes representing the split approach.
- Developed and tested catalytic molecular beacon (CMB) probes representing the conformational switch approach.
- Compared probe performance under individually optimized conditions, focusing on selectivity and signal characteristics.
Main Results:
- BiDz probes demonstrated significantly higher selectivity in recognizing single base substitutions compared to CMB probes.
- CMB probes exhibited high background signals when operated at 55°C.
- BiDz probes offered a more straightforward design and simpler assay optimization process.
Conclusions:
- The split-design BiDz probes are a more selective and practical alternative to switch-design CMB probes for nucleic acid analysis.
- BiDz probes provide advantages in terms of specificity, reduced background noise, and ease of implementation.
Keywords:
Catalytic molecular beaconsDeoxyribozyme sensorsfluorescent sensorsinstantaneous hybridization probessingle nucleotide polymorphismssplit hybridization probesMore Related Videos
10:28Sensitivity Enhancement of Soft Capacitive Pressure Sensors Using a Solvent Evaporation-Based Porosity Control Technique
Published on: March 24, 2023
2.7K
14:04Split-Ubiquitin Based Membrane Yeast Two-Hybrid MYTH System: A Powerful Tool For Identifying Protein-Protein Interactions
Published on: February 1, 2010
32.0K
Related Concept Videos
01:14Voltage Dividers
1.4K
In electrical circuits, resistors can be connected in series, sequentially linked one after the other. In a series configuration, the same current flows through each resistor. Ohm's law is a fundamental principle to understand the behavior of resistors in series. It expresses the voltage across these resistors in terms of the current and resistance.
Kirchhoff's voltage law implies that the sum of the voltages across the resistors in series equals the source voltage. This means that the current...
Kirchhoff's voltage law implies that the sum of the voltages across the resistors in series equals the source voltage. This means that the current...
1.4K
01:10Current Dividers
1.1K
In parallel electrical connections, resistors are linked between the same pair of nodes, creating an equal voltage across each resistor. Kirchhoff's current law is applied to these connections, establishing that the sum of currents through these resistors equals the source current. Utilizing Ohm's law, the source current is determined as the product of the source voltage and the sum of the reciprocals of individual resistances. This relationship simplifies the process of finding the current...
1.1K
01:22Switching of BJT
897
Switching behavior in Bipolar Junction Transistors (BJTs) is a fundamental aspect utilized in various electronic circuits, particularly for digital logic applications like switches and amplifiers. In a typical switching circuit, a BJT alternates between cut-off and saturation modes, corresponding to the "off" and "on" states, respectively, thus behaving like an ideal switch.
Cut-off Mode ("Off" State): In this state, both the emitter-base and collector-base junctions are...
Cut-off Mode ("Off" State): In this state, both the emitter-base and collector-base junctions are...
897
02:29Hybrid Zones
22.0K
Hybrid zones are narrow regions where two closely related species interact, mate, and produce hybrids. Relative to either parent species, hybrids may possess distinct phenotypic or genetic differences that impact their survival and reproductive success. The genetic variances introduced by hybridization influence species diversity and speciation processes within the hybrid zone.
22.0K
02:57The Sense of Self: Reflected Self-Appraisal and Social Comparison
56.2K
According to Charles Cooley, we base our image on what we think other people see (Cooley 1902). We imagine how we must appear to others, then react to this speculation. We don certain clothes, prepare our hair in a particular manner, wear makeup, use cologne, and the like—all with the notion that our presentation of ourselves is going to affect how others perceive us. We expect a certain reaction, and, if lucky, we get the one we desire and feel good about it. But more than that, Cooley...
56.2K
03:24Hybridization of Atomic Orbitals I
67.9K
The mathematical expression known as the wave function, ψ, contains information about each orbital and the wavelike properties of electrons in an isolated atom. When atoms are bound together in a molecule, the wave functions combine to produce new mathematical descriptions that have different shapes. This process of combining the wave functions for atomic orbitals is called hybridization and is mathematically accomplished by the linear combination of atomic orbitals. The new orbitals that...
67.9K