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Multifaceted Structurally Coloured Materials: Diffraction and Total Internal Reflection (TIR) from Nanoscale Surface Wrinkling
Annabelle Tan, Zain Ahmad, Pete Vukusic, and João T. Cabral Published: 10 February 2023 | Imperial College London and University of ExeterAbstractWe investigate the combined effects of surface diffraction and total internal reflection (TIR) in the design of...
Delineating the Effects of Molecular and Colloidal Interactions of Dissolved Organic Matter on Titania Photocatalysis
Mostafa Maghsoudi, Celine Jacquin, Benoit Teychené, Geoffroy Lesage, and Samuel D. Snow Published: 6 February 2023 AbstractIn the face of significant challenges to practical applications of photocatalysis for water treatment, recent reports revealed a potential route...
Concentration-dependent photothermal conversion efficiency of gold nanoparticles under near-infrared laser and broadband irradiation
Vikas, Raj Kumar, and Sanjeev Soni Published: 6 February 2023 AbstractThe photothermal conversion efficiency of gold different nanoparticles (GNPs) in different concentrations (1.25–20 µg/mL) and at different irradiation intensities of near-infrared (NIR) broadband...
Evaluation of the Irradiation Treatment Effects on Ancient Parchment Samples
Monia Vadrucci, Cristina Cicero, Claudia Mazzuca, Leonardo Severini, Daniela Uccelletti, Emily Schifano, Fulvio Mercuri, Ugo Zammit, Noemi Orazi, Francesco D’Amico, and Pietro Parisse Published: 30 January 2023 AbstractIn this work, the effect of X-ray irradiation as...
Heteroleptic Ir(III)-based near-infrared organic light-emitting diodes with high radiance capacity
Yongjin Park, Gyeong Seok Lee, Woochan Lee, Seunghyup Yoo, Yun-Hi Kim & Kyung-Cheol Choi Published: 25 January 2023 Abstract Near-infrared organic light-emitting diodes (NIR OLEDs) with heavy metals are regularly reported due to the advantages of their various...
Cineole – Decanoic Acid Hydrophobic Natural Deep Eutectic Solvent for Toluene Absorption
Jose L. Trenzado, Cristina Benito, Mert Atilhan, Santiago Aparicio Published: 24 January 2023 | Department of Physics, University of Las Palmas de Gran Canaria | Department of Chemistry, University of Burgos | Department of Chemical and Paper Engineering, Western...
Highly Luminescent Transparent Cs2AgxNa1–xBiyIn1–yCl6 Perovskite Films Produced by Single-Source Vacuum Deposition
Oleksandr Stroyuk, Oleksandra Raievska, Paz Sebastia-Luna, Bas A. H. Huisman, Christian Kupfer, Anastasia Barabash, Jens Hauch, Henk J. Bolink, and Christoph J. Brabec Published: 19 January 2023 | Published by the American Chemical SocietyAbstractThermal deposition...
In Situ Confocal Raman Microscopy of Redox Polymer Films on Bulk Electrode Supports
Jiahe Xu, Miharu Koh, Shelley D. Minteer, and Carol Korzeniewski Published: 13 January 2023 | Electrochemical cells, Electrodes, Ions, Polymers, Redox reactions | Published by the American Chemical SocietyAbstractA spectroelectrochemical cell is described that...
Towards utilization of iron powders for heating and power
Mohammadreza Baigmohammadi, Willie Prasidha, Nicole C. Stevens, Yuri L. Shoshyn, Tim Spee, Philip de Goey Published: 13 January 2023 | Power & Flow Group, Department of Mechanical Engineering, Eindhoven University of Technology (TU/e)AbstractIn the present study,...
The role of Nd3+ concentration in the modulation of the thermometric performance of Stokes/anti-Stokes luminescence thermometer in NaYF4:Nd3+
K. Maciejewska & L. Marciniak Published: 10 January 2023AbstractThe growing popularity of luminescence thermometry observed in recent years is related to the high application potential of this technique. However, in order to use such materials in a real...
Blue Light Sensing BlsA-Mediated Modulation of Meropenem Resistance and Biofilm Formation in Acinetobacter baumannii
Jihye Yang, Sohyeon Yun, Woojun Park Published: 9 January 2023 | BacteriologyAbstractThe presence or absence of BlsA, a protein with a blue light-sensing flavin domain in the genomes of Acinetobacter species has aroused curiosity about its roles in the regulation of...
Potential Neuroprotective Role of Calretinin-N18 and Calbindin-D28k in the Retina of Adult Zebrafish Exposed to Different Wavelength Lights
Caterina Porcino, Marilena Briglia, Marialuisa Aragona, Kamel Mhalhel, Rosaria Laurà, Maria Levanti, Francesco Abbate, Giuseppe Montalbano, Germana Germanà, Eugenia Rita Lauriano, Alessandro Meduri, Josè Antonio Vega, Antonino Germanà, and Maria Cristina Guerrera...
Custom Application Spotlight- Optical Transmission of Plastic Bottles for Pharmaceutical and other Light Sensitive Products
In this Custom Application Spotlight, we describe a recent case study of a manufacturer of Plastic Bottles used for packaging pharmaceuticals and other light sensitive products. StellarNet not only has the capability to provide customized application accessories, but...
Quality Control Kitchen: Autumn Spice Spectroscopy
This autumn season at StellarNet, we're using spectroscopy to analyze the quality of popular autumn spices. These spices capture the essence of autumn with their warm, earthy, and sweet flavors that complement the traditional foods served during the holiday meal....
The X-Files of Spectroscopy Halloween Special
Using Spectroscopy to Solve Supernatural Mysteries👽 In this year's Halloween Special, see how the StellarNet X-Files team is fighting the supernatural with spectroscopy. ALL 5 EPISODES ARE OFFICIALLY OUT!Episode 1: Icy ParasiteWhen violent and mysterious...
The effect of LED light quality on the carotenoid metabolism and related gene expression in the genus Brassica
Katja Frede, Sara Winkelmann, Linda Busse & Susanne Baldermann Published: 21 June 2023 | BMC Plant Biology Abstract New vegetable production systems, such as vertical farming, but also well-established in-door production methods led to the implementation of light...
In-Loco Optical Spectroscopy through a Multiple Digital Lock-In on a Linear Charge-Coupled Device (CCD) Array
Hugo Fonsêca, Diego Rativa, and Ricardo Lima Published: 16 August 2023 | University of Pernambuco, Recife, Brazil Several optical techniques are used to analyze the interaction between light and matter in visible and infrared spectrums, providing valuable information...
The SpectraWizard’s Spectroscopy Application Challenge Results 2023
The SpectraWizard’s Spectroscopy Application Challenge has officially ended! Spectroscopists from all over the world competed against each other for a chance to win $5,000 in StellarCash. Check out the winning spectroscopy application below and don't forget to check...
Visual Quality, Motility Behavior, and Retinal Changes Associated with Reading Tasks Performed on Electronic Devices
Elvira Orduna-Hospital, María Munarriz-Escribano, Ana Sanchez-Cano August 20, 2023 | Department of Applied Physics, University of Zaragoza, 50009 Zaragoza, Spain Back to school marks a fresh start for reading and learning! Electronic devices have become a common sight...
Designing LED lights that minimise the attraction of nocturnal, blood-feeding Diptera
Roksana Wilson March 2023 | A dissertation submitted to the University of Bristol in accordance with the requirements for award of the degree of Doctor of Philosophy in the Faculty of Life Sciences, School of Biological SciencesAbstractThe effects of night lighting on...
World Photo Day: Spectroscopy and Photography
Saturday August 19th is World Photo Day! Spectroscopy adds a deeper level of understanding and analysis to the science of photography, allowing us to explore and appreciate the world beyond what is visible to the naked eye. Spectral Imaging Spectroscopy plays a role...
Celebrating Women Astronomers Day!
Today, we come together to honor and celebrate the incredible contributions of women astronomers who have played a vital role in exploring the mysteries of the universe. Their brilliance, dedication, and perseverance have paved the way for future generations of...
Summer Spectroscopy BBQ- Quality Analysis of Meats and Fresh Fruits
Welcome to the SpectraWizard's annual Spectroscopy Summer BBQ! This summer we're conducting a quality analysis of meats and fresh fruits using our ChemWiz-ADK NIR spectrometer and the ColorWiz VIS-NIR handheld systems. We use spectroscopy to check the composition of...
Characterization of Ceramic Tiles Coated with Recycled Waste Glass Particles to Be Used for Cool Roof Applications
Chaimae Mourou, Montserrat Zamorano, Diego P. Ruiz and María Martín-Morales Abstract The use of recycled materials such as waste glass (WG) in the ceramic industry is considered as a plus for saving natural resources and avoiding potential environmental risks. This...
MAY THE 4TH BE WITH YOU – Star Wars Milk Analysis with Spectroscopy
Looking to score some Blue or Green Milk from "a galaxy far, far, away?" Blue and green milk are fictional beverages that previously existed only in the Star Wars Universe. The famous blue milk first made its appearance in Episode IV: A New Hope as a byproduct of...
Sensitive Detection of the Human Epididymis Protein-4 (HE4) Ovarian Cancer Biomarker through a Sandwich-Type Immunoassay Method with Laser-Induced Breakdown Spectroscopy
Robinson Karunanithy, Suthakaran Ratnasingam, Torrey Holland, and Poopalasingam Sivakumar Bioconjugate Chem. 2023, 34, 3, 501–509 Abstract Detection of cancer before the appearance of any symptoms is crucial for successful treatment. Early detection is, however, very...
Different LED light intensity and quality change perennial ryegrass (Lolium perenne L.) physiological and growth responses and water and energy consumption
Cátia Brito, Helena Ferreira, Lia-Tânia Dinis, Henrique Trindade, David Marques, Carlos Manuel Correia and José Moutinho-Pereira Abstract Light intensity and spectral composition highly affect plant physiology, growth, and development. According to growing conditions,...
An Experimental Study of the Woody Vegetation Reflectivity Temporal Dynamics
S E Ivanov, Y V Fedotov, M L Belov, V A Gorodnichev and A A Shkarupilo S E Ivanov et al 2023 IOP Conf. Ser.: Earth Environ. Sci. 1154 012071 Abstract An experimental study of reflectivity temporal dynamics of the deciduous and coniferous woody specimens was performed....
Learning about Our Planet with Spectroscopy – Earth Day 2023
Thanks to advances in spectroscopic technology, environmental scientists and researchers are afforded reliable methods to assess the impact of pollution and climate change on our natural resources and environment. Here are just a few ways scientists can use our...
Artificial light at night at environmental intensities disrupts daily rhythm of the oyster Crassostrea gigas
Audrey Botté, Laura Payton, Damien Tran Univ. Bordeaux, CNRS, Bordeaux INP, EPOC, UMR 5805, F-33120 Arcachon, France Abstract Artificial Light At Night (ALAN) masks the natural light cycles and thus can disturb the synchronization of organisms' biological rhythms with...
Effect of Soil Contamination on the Reflective Properties of Reflective Groundcovers
Stephan Bell, Achim Kunz, Lutz Damerow & Michael Blanke Abstract The objective of the present work was to study the effects of contamination on the reflective properties of groundcovers used for enhancing fruit colouration in the orchard. Contamination also...
Comparing the Efficiency of Solar Water Treatment: Photovoltaic-LED vs Compound Parabolic Collector Photoreactors
Journal of Environmental Chemical Engineering, Volume 11, Issue 2, April 2023, 109332 Miguel Martín-Sómer, María Dolores Molina-Ramírez, Maria Luisa Perez-Araujo, Rafael van Grieken, Javier Marugán This work analyses how to optimise efficiency in the use of solar...
Colour Characterisation for the Restoration of a Japanese Handscroll
Sofia Ceccarelli, Martina Redi, Alessandra Terrei, Noemi Orazi, Valeria Guglielmotti, Dariush Hampai, Sultan Dabagov, Fulvio Mercuri SCIentific RESearch and Information Technology Ricerca Scientifica e Tecnologie dell'Informazione Vol 12, Issue 2 (2022), 109-119...
National Panda Bear Day – A Spectroscopy Pandamonium
In this March's Spectroscopy Special, we review one of the world's favorite animals and discuss all of the useful ways spectroscopy is currently used in Panda Bear research. From Diet analysis to habitat loss, researchers are able to study the environmental effects on...
March Celestial Events Wonderful for Spectroscopy
All throughout March, unpack those binoculars and set up that telescope to view these celestial wonders. The Orion Constellation is visible to the naked eye in the southern part of the sky throughout the month. Using spectroscopic observation methods, astronomers can...
Growth, morphology, and photosynthetic activity of Chinese cabbage and lettuce grown under polyethylene and spectrum conversion films
Jun Hyeun Kang, Doyeon Kim, Hyo In Yoon & Jung Eek Son; Horticulture, Environment, and Biotechnology (January 2023) Abstract The light environment affects the growth and morphology of vegetables grown in greenhouses. Although many studies have attempted to improve...
ZnO and Ag NP-decorated ZnO nanoflowers: green synthesis using Ganoderma lucidum aqueous extract and characterization
Oleksandr Smirnov, Volodymyr Dzhagan, Mariia Kovalenko, Oleksandr Gudymenko, Veronika Dzhagan, Nazar Mazur, Oksana Isaieva, Zoia Maksimenko, SerhiyKondratenk, Mykola Skoryk and Volodymyr Yukhymchuk Abstract Fungi produce and excrete various proteins, enzymes,...
Improvement of strawberry transplant production efficiency by supplementary blue light in a plant factory using white LEDs
Hyein Lee, Seon Woo Park, Meiyan Cui, Byungkwan Lee, Duy Minh Pham, Hyunseung Hwang & Changhoo Chun Abstract The lighting source is one of the most critical environmental elements in a plant factory for plant production. In this study, the narrow spectrum of blue...
Blue (0.44 µm) and red (1.7 µm) diode laser activated bleaching—dental shade changes determination
T Dostálová, J Kratochvíl, H Jelínková, A Nocar and L Vavříčková ; Laser Physics Letters, Volume 20, #3 Abstract Tooth whitening or bleaching is one of the most common dental procedures that optimize the white color of the teeth and minimize the simultaneous damage to...
Color of Love: Venus on a Spectrum
To the human eye, Venus appears as white but it's true colors are actually eclipsed by the Sun's light. If you use a far ultraviolet camera/spectrograph, you can capture the true color of the mysterious planet. Some hypothesize that some sulfur dioxide polymers cause...