The Science of Scent

What Changes When a Fragrance Capsule Has Two Shell Layers?

Fragrance capsule shells must retain their contents and survive until needed. Adding silica to fungal chitosan improved compression strength and fragrance retention in water.

2026.11.03

The Science of Scent

What Does a Fragrance Capsule’s “Biodegradation Percentage” Measure?

What happens if fragrance remains inside capsules during biodegradation testing? A comparison of purification methods shows how materials tested alongside the shell can greatly change the apparent result.

2026.11.03

The Science of Scent

What Can an Electronic Nose Read from Response Waveforms?

An artificial olfactory system reads curves changing over time, not just response magnitude. Drawing on audio analysis, the study considers everything from sensor fabrication to data standardization.

2026.11.03

The Science of Scent

Can a Sensor Ring Read Skin Gases after a Meal?

A prototype uses miniature sensors to read skin volatiles associated with meals and exercise. Explore findings in six people and the challenges for everyday use.

2026.11.03

The Science of Scent

Can Color-Changing Films Tell Perfumes Apart?

A study photographs vapor-responsive films with a smartphone to classify perfumes, exploring the sensing principle and its validation from mirror-image molecules to 16 products.

2026.11.03

The Science of Scent

Can Calculations Help Select Materials for an Artificial Nose?

How do electronic states change when odor molecules bind to artificial receptors? MORE-Q provides public quantum-chemical data to support artificial-nose material design.

2026.11.03

The Science of Scent

Is the Concentration in the Vial the Same as the Concentration Reaching the Nose?

Odorant concentrations in a vial and at an olfactory organ differ. Modeling evaporation and airflow helps compare insect responses with concentrations in nature.

2026.11.03

The Science of Scent

Do Scents in Videos Come Across as Intended?

Delivering scents in time with video does not ensure that viewers interpret them as intended. A four-scent display highlights both delivery design and the challenge of making coffee smell like coffee.

2026.11.03

The Science of Scent

Can Scents Be Released in Advance to Match What You See?

Making scent arrive as you approach a virtual flower takes more than a fast device. This study combines miniature scent generators with motion prediction to account for scent travel time.

2026.11.03

The Science of Scent

Can Molecular Connectivity Predict Odor Words?

A study comparing molecular representations and learning methods using descriptions of 8,681 molecules explores how to interpret high accuracy, organize odor terminology, and map scents.

2026.11.03

The Science of Scent