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

Ultraviolet and Visible (UV–Vis) Spectroscopy: Overview01:02

Ultraviolet and Visible (UV–Vis) Spectroscopy: Overview

3.2K
Ultraviolet–visible (UV–visible or UV–Vis) spectroscopy is an analytical technique that investigates the interaction between matter and UV–Vis light within the electromagnetic spectrum. This method is widely used for its versatility, simplicity, and relatively quick data acquisition, making it valuable for both qualitative and quantitative analysis. When UV–Vis radiation passes through a material,  molecules absorb light depending on the energy required for...
3.2K
UV–Vis Spectroscopy of Conjugated Systems01:32

UV–Vis Spectroscopy of Conjugated Systems

7.4K
Organic compounds with conjugated double bonds show strong absorption features in the UV–visible region of the electromagnetic spectrum attributed to π → π* electronic excitations. Generally, a UV–vis absorption spectrum is recorded as a plot of absorbance vs wavelength. The wavelength of maximum absorbance, which manifests as a peak in the absorption spectrum, is denoted as λmax.
One of the factors influencing λmax is the extent...
7.4K
UV–Vis Spectrometers01:14

UV–Vis Spectrometers

1.6K
The absorbance of UV and visible (UV–visible) radiations is measured using a UV–visible spectrophotometer. Deuterium lamps, which emit UV radiation, and tungsten lamps, which produce radiation in the visible region, are used as light sources in UV–visible spectrophotometers. A monochromator or prism is used for diffraction grating, i.e., to split the incoming radiation into different wavelengths. A system of slits is used to focus the desired wavelength on the sample cell.
1.6K
Physical Methods for Controlling Microbial Growth: Radiation and Filtration01:26

Physical Methods for Controlling Microbial Growth: Radiation and Filtration

308
Radiation and filtration are essential tools for microbial control, targeting microorganisms through distinct mechanisms. Radiation eliminates microbes by damaging their DNA, either killing them or inhibiting their growth. Based on wavelength, radiation is classified into two types: nonionizing and ionizing radiation.Non-ionizing radiation, such as UV radiation (200–400 nm), is absorbed by DNA, causing defects that effectively disinfect surfaces, air, and water, including safety cabinets.
308
UV–Vis Spectroscopy: Woodward–Fieser Rules01:29

UV–Vis Spectroscopy: Woodward–Fieser Rules

26.0K
UV–Visible absorption spectra of conjugated dienes arise from the lowest energy π → π* transitions. The light-absorbing part of the molecule is called the chromophore, and the substituents directly attached to the chromophore are called auxochromes. A strong correlation exists between the absorption maxima, λmax, and the structure of a conjugated π system. The Woodward–Fieser rules predict the value of λmax for a given...
26.0K
UV–Vis Spectrum01:30

UV–Vis Spectrum

1.4K
When light passes through a substance, a portion of the light is absorbed while the remaining light is reflected or transmitted. If the molecule absorbs light between the wavelengths of 180–400 nm range, the UV spectrum is obtained, and if it absorbs light in the 400–780 nm wavelength range, the visible spectrum is obtained.     
The UV–Vis spectrum of a molecule is the plot of its absorbance versus wavelength. The plot is drawn by taking molar...
1.4K

You might also read

Related Articles

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

Sort by
Same author

Novel Xanthene Derivatives for Neuroprotection in Alzheimer's Disease-Synthesis and Biological Assessment.

ChemMedChem·2026
Same author

New Bicyclic Sesquiterpene and Labdane Diterpenes from the Culture Extract of the Sea Grass-Derived Fungus <i>Penicillium verruculosum</i> KUFA1509.

Marine drugs·2026
Same author

Glucosinolate Derivatives: Emerging Anti-Inflammatory Agents.

Pharmaceuticals (Basel, Switzerland)·2026
Same author

Anti-Inflammatory Evaluation of Pyrazino[2,1-<i>b</i>]quinazoline-3,6-dione Derivatives Inspired by Fiscalin B.

Pharmaceuticals (Basel, Switzerland)·2026
Same author

Unraveling the Potential of <i>Giardia</i> Extracellular Vesicles as a Vaccine Candidate.

Pharmaceutics·2026
Same author

New series of pentamidine-based 1,2,3-triazole-diaryl-hydrazones: design, synthesis, and evaluation of their leishmanicidal activity and mechanism of action against <i>Leishmania (L.) amazonensis</i>.

RSC medicinal chemistry·2026
Same journal

RETRACTED: Sobeh et al. A Polyphenol-Rich Fraction from <i>Eugenia uniflora</i> Exhibits Antioxidant and Hepatoprotective Activities In Vivo. <i>Pharmaceuticals</i> 2020, <i>13</i>, 84.

Pharmaceuticals (Basel, Switzerland)·2026
Same journal

Correction: Jiménez-Sánchez et al. Antioxidant Enzymes Genetic Variants Associated with Urticaria/Angioedema Induced by Cross-Reactive Hypersensitivity to Nonsteroidal Anti-Inflammatory Drugs. <i>Pharmaceuticals</i> 2026, <i>19</i>, 522.

Pharmaceuticals (Basel, Switzerland)·2026
Same journal

Correction: Zhao et al. Multifunctional Gel Films of Marine Polysaccharides Cross-Linked with Poly-Metal Ions for Wound Healing. <i>Pharmaceuticals</i> 2022, <i>15</i>, 750.

Pharmaceuticals (Basel, Switzerland)·2026
Same journal

Intravenous Immunoglobulin Reveals a Novel Protective Mechanism: Targeting the GBP5-Driven Pyroptosis Axis in Experimental Colitis.

Pharmaceuticals (Basel, Switzerland)·2026
Same journal

Icariin Attenuates Renal Injury in Streptozotocin-Induced Diabetic Rats with and Without Adenine-Induced Chronic Kidney Disease.

Pharmaceuticals (Basel, Switzerland)·2026
Same journal

AI-Assisted Identification of a Putative Allosteric Ligand Targeting the CDK4/Cyclin D1 Protein-Protein Interface.

Pharmaceuticals (Basel, Switzerland)·2026
See all related articles

Related Experiment Video

Updated: Sep 29, 2025

Indoor Experimental Assessment of the Efficiency and Irradiance Spot of the Achromatic Doublet on Glass ADG Fresnel Lens for Concentrating Photovoltaics
09:00

Indoor Experimental Assessment of the Efficiency and Irradiance Spot of the Achromatic Doublet on Glass ADG Fresnel Lens for Concentrating Photovoltaics

Published on: October 27, 2017

9.0K

UV Filters: Challenges and Prospects.

Ana Jesus1,2, Emília Sousa3,4, Maria T Cruz5,6

  • 1UCIBIO-Applied Molecular Biosciences Unit, MedTech, Laboratory of Pharmaceutical Technology, Department of Drug Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal.

Pharmaceuticals (Basel, Switzerland)
|March 26, 2022
PubMed
Summary
This summary is machine-generated.

New UV filters are needed due to issues with current sunscreen ingredients. Research is exploring novel compounds from natural and synthetic sources for improved photoprotection and safety.

Keywords:
UV filterschallengesnatural productsphotostabilityprospectssynthetic derivativestoxicity

More Related Videos

UV-Vis Spectroscopic Characterization of Nanomaterials in Aqueous Media
05:16

UV-Vis Spectroscopic Characterization of Nanomaterials in Aqueous Media

Published on: October 25, 2021

10.1K
Microfluidic Fabrication Techniques for High-Pressure Testing of Microscale Supercritical CO2 Foam Transport in Fractured Unconventional Reservoirs
10:06

Microfluidic Fabrication Techniques for High-Pressure Testing of Microscale Supercritical CO2 Foam Transport in Fractured Unconventional Reservoirs

Published on: July 2, 2020

6.9K

Related Experiment Videos

Last Updated: Sep 29, 2025

Indoor Experimental Assessment of the Efficiency and Irradiance Spot of the Achromatic Doublet on Glass ADG Fresnel Lens for Concentrating Photovoltaics
09:00

Indoor Experimental Assessment of the Efficiency and Irradiance Spot of the Achromatic Doublet on Glass ADG Fresnel Lens for Concentrating Photovoltaics

Published on: October 27, 2017

9.0K
UV-Vis Spectroscopic Characterization of Nanomaterials in Aqueous Media
05:16

UV-Vis Spectroscopic Characterization of Nanomaterials in Aqueous Media

Published on: October 25, 2021

10.1K
Microfluidic Fabrication Techniques for High-Pressure Testing of Microscale Supercritical CO2 Foam Transport in Fractured Unconventional Reservoirs
10:06

Microfluidic Fabrication Techniques for High-Pressure Testing of Microscale Supercritical CO2 Foam Transport in Fractured Unconventional Reservoirs

Published on: July 2, 2020

6.9K

Area of Science:

  • Photochemistry
  • Dermatology
  • Environmental Science

Background:

  • Sunscreens protect skin from UV damage, with EU regulations ensuring safety and efficacy of approved filters.
  • Some existing UV filters exhibit poor photostability and potential toxicity to humans and marine life, raising environmental concerns.
  • There is a critical need for novel UV filters with enhanced safety profiles and photostability.

Purpose of the Study:

  • To review the challenges associated with current UV filters.
  • To explore the prospects and advancements in developing next-generation UV filters.
  • To provide an overview of novel photoprotective compounds and their development strategies.

Main Methods:

  • Review of scientific literature on UV filters and photoprotection.
  • Analysis of compounds developed over the last two decades.
  • Categorization of new compounds based on origin (natural, synthetic, nanotechnology).

Main Results:

  • Nearly 200 new compounds with photoprotective properties have been identified.
  • These include approximately 50 natural products and 140 synthetic derivatives.
  • Compounds studied encompass various chemical classes like benzimidazoles, benzotriazoles, hydroxycinnamic acids, xanthones, and triazines.

Conclusions:

  • Current UV filters face challenges regarding photostability and environmental impact.
  • Extensive research has yielded numerous promising novel compounds for future sunscreen formulations.
  • The development of next-generation UV filters focuses on improved safety, efficacy, and photostability.