Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Areas Within Irregular Boundaries01:26

Areas Within Irregular Boundaries

388
Calculating areas within irregular boundaries, such as along rivers or curved roads, is crucial in various fields, including surveying, engineering, and environmental management. Surveyors often begin by creating a traverse, a connected series of straight lines approximating the area's boundary. The coordinates of each traverse point are essential for calculating the enclosed area. The double meridian distance formula is a widely used technique for this purpose. This method utilizes the...
388
Molecular Shape and Polarity03:37

Molecular Shape and Polarity

76.1K
Dipole Moment of a Molecule
76.1K
VSEPR Theory and the Basic Shapes02:52

VSEPR Theory and the Basic Shapes

85.5K
Overview of VSEPR Theory
85.5K
Molecular Shapes01:18

Molecular Shapes

62.5K
Molecules have characteristic shapes that are crucial for their function. The arrangement of various electron groups around the central atom dictates their molecular geometry. Electron pairs in the valence shell of a central atom will adopt an arrangement that minimizes repulsions between the electron pairs by maximizing the distance between them. The valence electrons form either bonding pairs, located primarily between bonded atoms, or lone pairs.
Two regions of electron density in a diatomic...
62.5K
First Derivatives and the Shape of a Graph01:22

First Derivatives and the Shape of a Graph

91
In calculus, the concept of the first derivative plays a crucial role in understanding the behavior of a function over its domain. The first derivative, denoted as f’(x), provides insight into how a function changes at any given point, much like a cyclist adjusting speed along a winding trail. By analyzing the first derivative, mathematicians can determine where a function is increasing, decreasing, or reaching critical points.The first derivative provides a precise method for classifying...
91
Second Derivatives and the Shape of a Graph01:29

Second Derivatives and the Shape of a Graph

121
The second derivative of a function provides essential information about a graph's curvature and how it changes over an interval. It helps determine whether a function is concave upward or concave downward and identifies points where the curvature changes. These properties are fundamental in analyzing real-world scenarios, such as changes in road elevation, population growth, and economic trends.A function f(x) is considered concave upward on an interval if its graph lies above all its tangent...
121

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

A brain-penetrant P2X7R antagonist mitigates Alzheimer's disease pathology.

bioRxiv : the preprint server for biology·2026
Same author

Metal-free, iodine-mediated multicomponent synthesis of bis-pyrazolo-pyridine derivatives.

Chemical communications (Cambridge, England)·2026
Same author

Dirhenium core-based cyclic and acyclic helicates as anticancer agents for breast cancer and skin cancer cells.

Dalton transactions (Cambridge, England : 2003)·2025
Same author

Fluorine-Substituted Rhenium(I) Metallocycle: A New Class of Potent Anticancer Agent.

Chemistry, an Asian journal·2025
Same author

Catalyst-free synthesis of 1,2,3-triazole-N-oxide derivatives using <i>tert</i>-butyl nitrite: a novel strategy and synthetic applications.

RSC advances·2025
Same author

Serendipitous pathway to naphtho[2,1-<i>b</i>]furan and its thioether enabled by triflic acid and thiol-mediated reaction.

Chemical communications (Cambridge, England)·2025

Related Experiment Video

Updated: Feb 13, 2026

Line Shape Analysis of Dynamic NMR Spectra for Characterizing Coordination Sphere Rearrangements at a Chiral Rhenium Polyhydride Complex
10:52

Line Shape Analysis of Dynamic NMR Spectra for Characterizing Coordination Sphere Rearrangements at a Chiral Rhenium Polyhydride Complex

Published on: July 27, 2022

3.4K

Rhenium(i) based irregular pentagonal-shaped metallacavitands.

Mamina Bhol1, Bhaskaran Shankar, Malaichamy Sathiyendiran

  • 1School of Chemistry, University of Hyderabad, Hyderabad-500 046, India. msathi@uohyd.ac.in.

Dalton Transactions (Cambridge, England : 2003)
|March 6, 2018
PubMed
Summary
This summary is machine-generated.

New metallacavitands with larger cavities were synthesized using flexible N-donor ligands. These emissive metallacavitands demonstrate host-guest interactions, effectively encapsulating aromatic molecules within their hydrophobic cavities.

More Related Videos

Fabrication of a Bioactive, PCL-based "Self-fitting" Shape Memory Polymer Scaffold
09:37

Fabrication of a Bioactive, PCL-based "Self-fitting" Shape Memory Polymer Scaffold

Published on: October 23, 2015

13.5K
Modulating Shape of Polyester Based Polymersomes using Osmotic Pressure
06:01

Modulating Shape of Polyester Based Polymersomes using Osmotic Pressure

Published on: April 21, 2021

3.6K

Related Experiment Videos

Last Updated: Feb 13, 2026

Line Shape Analysis of Dynamic NMR Spectra for Characterizing Coordination Sphere Rearrangements at a Chiral Rhenium Polyhydride Complex
10:52

Line Shape Analysis of Dynamic NMR Spectra for Characterizing Coordination Sphere Rearrangements at a Chiral Rhenium Polyhydride Complex

Published on: July 27, 2022

3.4K
Fabrication of a Bioactive, PCL-based "Self-fitting" Shape Memory Polymer Scaffold
09:37

Fabrication of a Bioactive, PCL-based "Self-fitting" Shape Memory Polymer Scaffold

Published on: October 23, 2015

13.5K
Modulating Shape of Polyester Based Polymersomes using Osmotic Pressure
06:01

Modulating Shape of Polyester Based Polymersomes using Osmotic Pressure

Published on: April 21, 2021

3.6K

Area of Science:

  • Coordination Chemistry
  • Supramolecular Chemistry
  • Materials Science

Background:

  • Flexible N-donor ligands with imidazolyl units are crucial for constructing complex supramolecular architectures.
  • Metallacavitands offer unique three-dimensional structures with potential applications in molecular recognition and encapsulation.
  • Previous research has focused on rigid ligands; flexible ligands offer new possibilities for cavity size and guest selectivity.

Purpose of the Study:

  • To design and synthesize novel neutral ditopic flexible N-donor ligands (L1-L3).
  • To develop new metallacavitands (1-4) with larger cavities using these ligands.
  • To investigate the host-guest interaction properties and luminescence of the synthesized metallacavitands.

Main Methods:

  • Synthesis and characterization of flexible N-donor ligands (L1-L3).
  • Solvothermal assembly of metallacavitands (1-4) using Re2(CO)10, bis-chelating donors, and ligands.
  • Structural elucidation by single crystal X-ray diffraction.
  • Spectroscopic characterization (analytical and emission spectroscopy) to study luminescence and host-guest interactions.

Main Results:

  • Successful synthesis of three flexible N-donor ligands (L1-L3) and four metallacavitands (1-4).
  • X-ray diffraction confirmed the molecular structures and revealed toluene inclusion in the cavities of metallacavitands 1 and 4.
  • Metallacavitands 1-4 exhibit room temperature luminescence in DMSO.
  • Metallacavitand 1 demonstrated host-guest interactions with various aromatic molecules, studied via emission spectroscopy.

Conclusions:

  • The designed flexible ligands enable the formation of metallacavitands with larger cavities compared to previous systems.
  • The synthesized metallacavitands are emissive and possess the ability to encapsulate aromatic guests.
  • These findings open avenues for developing new host-guest systems with tunable properties for molecular recognition applications.