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Related Concept Videos

Overview of Advanced Functional Groups02:22

Overview of Advanced Functional Groups

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Functional groups are groups of atoms with specific chemical properties that occur within organic molecules and are sometimes denoted as “R”. Functional groups can “functionalize” a compound by enabling it to adopt different physical and chemical properties.
Types of Advanced Functional Groups
The table below summarizes some of the major functional groups in organic chemistry.
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Applications of Integration to Probability Density Functions01:27

Applications of Integration to Probability Density Functions

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Continuous probability distributions are used to model random variables that can take on any real value within a specified range. These variables do not take on isolated or countable values but rather exist on a continuum. For example, the height of an individual can be measured with increasing precision—such as 163.5 or 165.25 centimeters—demonstrating that height is a continuous random variable.The behavior of such variables is described using a probability density function (PDF),...
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Extraction: Advanced Methods00:56

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Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
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Sample Preparation for Analysis: Advanced Techniques01:08

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Accurate analysis of complex samples often requires advanced preparation techniques to achieve reliable and reproducible results. Samples containing inorganic or organic materials can be challenging to dissolve or decompose effectively. Standard sample preparation methods include acid digestion, fusion, dry ashing, and wet digestion.
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Functional Groups02:45

Functional Groups

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Functional groups are a group of atoms with characteristic properties, which when linked to the carbon skeleton of a molecule, alter the properties of that molecule. For example, the presence of certain functional groups on a molecule will make them hydrophilic, whereas others will make them hydrophobic. These functional groups are an indispensable part of organic chemistry and important components of biological molecules, such as carbohydrates, proteins, lipids, and nucleic acids. Each...
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Cardiopulmonary Resuscitation V: Advanced Airway Management Techniques01:30

Cardiopulmonary Resuscitation V: Advanced Airway Management Techniques

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Airway management is essential in emergency and surgical medicine, ensuring ventilation and oxygenation in patients who cannot maintain their own airway. Clinicians use a range of techniques and devices to secure the airway, depending on the patient’s condition and the clinical context. Key methods include endotracheal intubation, rapid sequence intubation (RSI), supraglottic airway devices, and advanced visualization aids. In cases where these approaches fail, surgical airway...
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Related Experiment Video

Updated: Feb 7, 2026

Fragmenting Bulk Hydrogels and Processing into Granular Hydrogels for Biomedical Applications
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Fragmenting Bulk Hydrogels and Processing into Granular Hydrogels for Biomedical Applications

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Functional Microgels: Recent Advances in Their Biomedical Applications.

Garima Agrawal1, Rahul Agrawal2

  • 1Department of Polymer and Process Engineering, Indian Institute of Technology Roorkee, Saharanpur Campus, Paper Mill Road, Saharanpur, 247001, Uttar Pradesh, India.

Small (Weinheim an Der Bergstrasse, Germany)
|July 24, 2018
PubMed
Summary

Aqueous microgel particles show promise for biomedical uses like drug delivery and tissue engineering. Their smart design allows for controlled properties and release, paving the way for clinical applications.

Keywords:
drug deliverymicrogelsstimuli-responsivetissue engineering

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Area of Science:

  • Biomaterials Science
  • Polymer Chemistry
  • Nanotechnology

Background:

  • Aqueous microgel particles are versatile materials with significant potential in biomedical applications.
  • Their tunable properties and stimuli-responsive behavior make them attractive for advanced therapies.

Purpose of the Study:

  • To review synthetic methods and degradable strategies for functional microgels.
  • To highlight the stimuli-responsive capabilities of microgels for controlled drug delivery, cell imaging, and tissue engineering.
  • To discuss the potential and challenges for clinical translation.

Main Methods:

  • Review of various synthetic approaches for microgel fabrication.
  • Analysis of stimuli-responsive mechanisms (temperature, pH, magnetic field, light, etc.).
  • Examination of degradable strategies for renal clearance.

Main Results:

  • Microgels can be synthesized with tailored functionalities and properties.
  • Stimuli-responsive behavior enables on-demand control over physical properties, degradation, and drug release.
  • Functional microgels show promise in cell imaging and tissue regeneration.

Conclusions:

  • Intelligent microgels capable of performing in complex biological environments are emerging.
  • Further research and development are needed to overcome challenges for successful clinical use.