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6,556 Results Found

  • Article
  • Open Access
34 Citations
6,640 Views
13 Pages

Characterization of Pharmaceutical Tablets Using UV Hyperspectral Imaging as a Rapid In-Line Analysis Tool

  • Mohammad Al Ktash,
  • Mona Stefanakis,
  • Barbara Boldrini,
  • Edwin Ostertag and
  • Marc Brecht

28 June 2021

A laboratory prototype for hyperspectral imaging in ultra-violet (UV) region from 225 to 400 nm was developed and used to rapidly characterize active pharmaceutical ingredients (API) in tablets. The APIs are ibuprofen (IBU), acetylsalicylic acid (ASA...

  • Article
  • Open Access
36 Citations
10,375 Views
13 Pages

High performance liquid chromatography-ultraviolet (HPLC-UV) was applied to the analysis and characterization of olive oils and other vegetable oils. A chromatographic separation on a Zorbax Eclipse XDB-C8 reversed-phase column was proposed under gra...

  • Article
  • Open Access
3 Citations
3,798 Views
12 Pages

Photography-based photometry is a technique developed to perform high throughput UV photometric analysis without instrumental detectors in resource-limited settings. Its principle relies on the illumination of a sample with UV irradiation and then ca...

  • Article
  • Open Access
1 Citations
1,903 Views
17 Pages

5 December 2024

Ultraviolet (UV) hyperspectral imaging shows significant promise for the classification and quality assessment of raw cotton, a key material in the textile industry. This study evaluates the efficacy of UV hyperspectral imaging (225–408 nm) usi...

  • Article
  • Open Access
24 Citations
6,265 Views
13 Pages

Determination of HPLC-UV Fingerprints of Spanish Paprika (Capsicum annuum L.) for Its Classification by Linear Discriminant Analysis

  • Xavier Cetó,
  • Núria Serrano,
  • Miriam Aragó,
  • Alejandro Gámez,
  • Miquel Esteban,
  • José Manuel Díaz-Cruz and
  • Oscar Núñez

18 December 2018

The development of a simple HPLC-UV method towards the evaluation of Spanish paprika’s phenolic profile and their discrimination based on the former is reported herein. The approach is based on C18 reversed-phase chromatography to generate char...

  • Article
  • Open Access
7 Citations
3,372 Views
14 Pages

Development and Validation of a Simple and Reliable HPLC-UV Method for Determining Gemcitabine Levels: Application in Pharmacokinetic Analysis

  • Konstantinos Lafazanis,
  • Elias Begas,
  • Irida Papapostolou,
  • Hermis Iatrou,
  • Nikos Sakellaridis,
  • Dimitrios Vlassopoulos and
  • Konstantinos Dimas

Background and Objectives: Gemcitabine has been used to treat various solid cancers, including, since 1997, metastatic pancreatic cancer. Here, we developed an HPLC-UV method to determine serum gemcitabine levels and use it in pharmacokinetic studies...

  • Feature Paper
  • Article
  • Open Access
6 Citations
4,725 Views
15 Pages

14 January 2022

The management and treatment of hospital wastewater are issues of great concern worldwide. Both in the case of a dedicated treatment or co-treatment with urban wastewater, hospital effluent is generally subjected to pre-treatments followed by a biolo...

  • Article
  • Open Access
10 Citations
2,996 Views
16 Pages

21 May 2024

This study investigates the impact of lignin on the durability and performance of polypropylene-based biocomposites (PP–flax and PP–pine) under environmental stresses such as UV radiation and moisture. The findings indicate that pine fibr...

  • Article
  • Open Access
1,055 Views
18 Pages

Optical Analysis Based on UV Absorption Spectrum for Monitoring Total Organic Carbon and Nitrate Nitrogen in River Water

  • Minhan Kim,
  • Seongwook Park,
  • Byoungsun Park,
  • Hongseok Kim,
  • Taeyong Woo,
  • Sangyoun Kim,
  • Junghee Jang and
  • Changkyoo Yoo

17 December 2025

The global deterioration of water quality due to climate change and industrialization has intensified the need for real-time monitoring systems. In South Korea’s automated water quality monitoring networks, measuring total organic carbon (TOC)...

  • Article
  • Open Access
29 Citations
13,800 Views
15 Pages

12 December 2017

Downstream of pharmaceutical proteins, such as monoclonal antibodies, is mainly done by chromatography, where concentration determination of coeluting components presents a major problem. Inline concentration measurements (ICM) by Ultraviolet/Visible...

  • Article
  • Open Access
9 Citations
3,341 Views
12 Pages

In this experiment, the Box–Behnken design (BBD) of the response surface methodology (RSM) was used to optimize the ultrasound-assisted extraction variables (liquid-to-solid ratio, extraction temperature, and time) to obtain the maximum yield o...

  • Review
  • Open Access
4 Citations
2,246 Views
23 Pages

22 October 2024

There are various methods for environmental organic pollutant degradation and removal, among which ultraviolet/persulfate has drawn significant attention due to its excellent oxidizing properties, high maneuverability, and less formation of by-produc...

  • Article
  • Open Access
16 Citations
5,715 Views
15 Pages

Analysis of the Radiation Dose in UV-Disinfection Flow Reactors

  • Wojciech Artichowicz,
  • Aneta Luczkiewicz and
  • Jerzy M. Sawicki

14 January 2020

UV-disinfection reactors may appear in a variety of forms, but it is useful for all types to identify the inflow and outflow zones (those in which the fluid approaches or, respectively, recedes from the radiation source) and the direct radiation zone...

  • Article
  • Open Access
9 Citations
5,264 Views
18 Pages

Lifetime Analysis of Commercial 3 W UV-A LED

  • F. Jose Arques-Orobon,
  • Manuel Vazquez and
  • Neftali Nuñez

27 November 2020

The lifetime of ultraviolet high-power light-emitting diodes (UV HP-LEDs) is an open issue due to their high current density, high temperature, and UV radiation. This work presents a reliability study and failure analysis of three high-temperature ac...

  • Review
  • Open Access
38 Citations
6,416 Views
15 Pages

16 September 2022

(1) Background: Ultraviolet-visible (UV-Vis) spectroscopy is a common analytical tool to detect chromophore in compounds by monitoring absorbance spectral wavelengths. Further, it could provide spectral information about complex conjugated systems in...

  • Article
  • Open Access
4 Citations
7,880 Views
29 Pages

24 July 2013

Indirect UV-absorption spectrometry was shown to be a valuable tool for chemical characterization of functionalized carbon nanotubes (CNTs). It complements data from X-ray photoelectron spectroscopy (XPS) or FTIR analysis since it helps to clarify th...

  • Article
  • Open Access
4 Citations
1,581 Views
20 Pages

Metabolomic Analysis of Elymus sibiricus Exposed to UV-B Radiation Stress

  • Fei Zhang,
  • Ming Sun,
  • Daxu Li,
  • Minghong You,
  • Jiajun Yan and
  • Shiqie Bai

30 October 2024

Plants cultivated on the Qinghai-Tibet Plateau (QTP) are exposed to high ultraviolet radiation intensities, so they require effective mechanisms to adapt to these stress conditions. UV-B radiation is an abiotic stress factor that affects plant growth...

  • Article
  • Open Access
11 Citations
3,802 Views
15 Pages

An Automatic Immunoaffinity Pretreatment of Deoxynivalenol Coupled with UPLC-UV Analysis

  • Hongmei Liu,
  • Zhihong Xuan,
  • Jin Ye,
  • Jinnan Chen,
  • Meng Wang,
  • Stephan Freitag,
  • Rudolf Krska,
  • Zehuan Liu,
  • Li Li and
  • Songxue Wang
  • + 1 author

25 January 2022

An immunoaffinity magnetic beads (IMBs) based automatic pretreatment method was developed for the quantitative analysis of deoxynivalenol (DON) by ultra-performance liquid chromatography and ultraviolet detector (UPLC-UV). First, N-hydroxysuccinimide...

  • Article
  • Open Access
3 Citations
6,714 Views
22 Pages

Comparative Analysis of Ground-Based and Satellite-Derived UV Index Levels in Natal, Brazil

  • Gabriela Cacilda Godinho dos Reis,
  • Hassan Bencherif,
  • Rodrigo Silva,
  • Lucas Vaz Peres,
  • Marco Antonio Godinho dos Reis,
  • Damaris Kirsch Pinheiro,
  • Francisco Raimundo da Silva,
  • Kevin Lamy and
  • Thierry Portafaix

16 December 2024

The ultraviolet radiation index (UV index–UVI) is a dimensionless indicator that informs the intensity of ultraviolet radiation on the Earth’s surface. It makes it easier for people to assess UV levels and understand how to protect themse...

  • Article
  • Open Access
11 Citations
3,391 Views
13 Pages

24 December 2021

Cryptophlebia leucotreta granulovirus-SA (CrleGV-SA) is used as a commercial biopesticide for the false codling moth, Thaumatotibia leucotreta, in citrus and other crops. The virus is sensitive to UV irradiation from sunlight, which reduces its effic...

  • Article
  • Open Access
26 Citations
4,498 Views
17 Pages

Molecular Analysis of UV-C Induced Resveratrol Accumulation in Polygonum cuspidatum Leaves

  • Zhongyu Liu,
  • Junxiong Xu,
  • Xiang Wu,
  • Yanyan Wang,
  • Yanli Lin,
  • Duanyang Wu,
  • Hongjie Zhang and
  • Jianbing Qin

7 December 2019

Resveratrol is one of the most studied plant secondary metabolites owing to its numerous health benefits. It is accumulated in some plants following biotic and abiotic stress pressures, including UV-C irradiation. Polygonum cuspidatum represents the...

  • Review
  • Open Access
49 Citations
21,014 Views
22 Pages

In recent years, methodologies based on spectral analysis, using ultraviolet–visible (UV-Vis) radiation, have experienced an amazing development and have been widely applied in various fields such as agricultural, food, pharmaceutical, and envi...

  • Article
  • Open Access
3 Citations
2,753 Views
15 Pages

Comparative Kinetic Analysis of Triclosan Degradation under UV-C and Simulated Solar Irradiation

  • Lázaro Adrián González-Fernández,
  • Myriam Chems,
  • Nahum Andrés Medellín-Castillo,
  • Ventura Castillo-Ramos,
  • Manuel Sánchez-Polo,
  • Javier E. Vilasó-Cadre and
  • Raúl Ocampo-Pérez

This research delves deeply into the intricate degradation kinetics of triclosan, employing two distinct methodologies: UV and simulated solar irradiation. Through a comprehensive comparative analysis, the study endeavors to elucidate the efficacy of...

  • Article
  • Open Access
17 Citations
3,536 Views
17 Pages

Ultraviolet-B (UV-B) acts as a regulatory stimulus, inducing the dose-dependent biosynthesis of phenolic compounds such as flavonoids at the leaf level. However, the heterogeneity of biosynthesis activation generated within a whole plant is not fully...

  • Article
  • Open Access
980 Views
15 Pages

The Effects of UV-LED Technology on the Quality of Ready-to-Eat Pomegranates: Epigenetic Indicators and Metabolomic Analysis

  • Aihemaitijiang Aihaiti,
  • Yuanpeng Li,
  • Xinmeng Huang,
  • Yuting Yang,
  • Ailikemu Mulati and
  • Jiayi Wang

23 June 2025

Pomegranates are rich in nutrients and classified among ready-to-eat fruits and vegetables. Although this ready-to-eat produce offers convenience, it presents risks associated with pathogenic microorganisms, highlighting the need for pre-sale disinfe...

  • Article
  • Open Access
3 Citations
3,477 Views
11 Pages

Development of a Simple HPLC Method for the Analysis of Ergosterol and UV-Enriched Vitamin D₂ in Mushroom Powders

  • Judit Bajzát,
  • András Misz,
  • József Rácz,
  • Máté Vágvölgyi,
  • Csaba Csutorás and
  • Csaba Vágvölgyi

7 April 2025

In this study, a straightforward and cost-effective HPLC-UV method was developed for the rapid determination of vitamin D2 and ergosterol in mushrooms. These bioactive components are known to play a significant role in the nutritional value of mushro...

  • Article
  • Open Access
6 Citations
2,115 Views
19 Pages

Potentiometric Sensor Arrays Based on Hybrid PFSA/CNTs Membranes for the Analysis of UV-Degraded Drugs

  • Anna Parshina,
  • Anastasia Yelnikova,
  • Ekaterina Safronova,
  • Tatyana Kolganova,
  • Olga Bobreshova and
  • Andrey Yaroslavtsev

14 June 2023

The degradation of drugs is a substantial problem since it affects the safety and effectiveness of pharmaceutical products, as well as their influence on the environment. A novel system of three potentiometric cross-sensitive sensors (using the Donna...

  • Article
  • Open Access
1,632 Views
18 Pages

27 May 2025

Metarhizium anisopliae, a well-known species of entomopathogenic fungi with great potential as a biological control agent, is vulnerable to UV damage, which restricts its use in the field. To improve the fungal resistance to UV irradiation, UV-induce...

  • Article
  • Open Access
6 Citations
2,126 Views
13 Pages

Ultraviolet B (UV-B) irradiation has been demonstrated to play a synergistic effect with wounding in enhancing the accumulation of phenolic antioxidants in carrots. However, little is known about the molecular mechanisms of UV-B treatment on wounded...

  • Article
  • Open Access
11 Citations
4,791 Views
11 Pages

15 February 2022

In this research, the relationship between the curing strategies and geometrical accuracy of parts under UV light was investigated. An IR camera was utilized to monitor the process using different combinations of photosensitive resin and curing strat...

  • Article
  • Open Access
15 Citations
8,099 Views
18 Pages

Qualitative and Quantitative Analysis of Lignan Constituents in Caulis Trachelospermi by HPLC-QTOF-MS and HPLC-UV

  • Xiao-Ting Liu,
  • Xu-Guang Wang,
  • Rui Xu,
  • Fan-Hua Meng,
  • Neng-Jiang Yu and
  • Yi-Min Zhao

5 May 2015

A high-performance liquid chromatography coupled with quadrupole tandem time-of-flight mass (HPLC-QTOF-MS) and ultraviolet spectrometry (HPLC-UV) was established for simultaneous qualitative and quantitative analysis of the major chemical constituent...

  • Article
  • Open Access
2 Citations
2,020 Views
17 Pages

19 January 2024

Flower color variations have increasingly been recognized as playing an important role in the adaptation to UV-B radiation; however, the underlying mechanism is poorly understood in perennial fruit trees. Litchi is an important fruit tree, and extrem...

  • Article
  • Open Access
12 Citations
2,829 Views
19 Pages

Transcriptomic Analysis on the Peel of UV-B-Exposed Peach Fruit Reveals an Upregulation of Phenolic- and UVR8-Related Pathways

  • Marco Santin,
  • Samuel Simoni,
  • Alberto Vangelisti,
  • Tommaso Giordani,
  • Andrea Cavallini,
  • Alessia Mannucci,
  • Annamaria Ranieri and
  • Antonella Castagna

28 April 2023

UV-B treatment deeply influences plant physiology and biochemistry, especially by activating the expression of responsive genes involved in UV-B acclimation through a UV-B-specific perception mechanism. Although the UV-B-related molecular responses h...

  • Article
  • Open Access
5 Citations
1,815 Views
14 Pages

This study investigated the effects of single Fenton and Fenton and UV combined processes on the cracking degree of anaerobic sludge under the same conditions. The optimal experimental conditions were obtained by repeated determination of Fe2+ dosage...

  • Article
  • Open Access
2 Citations
1,443 Views
22 Pages

Comprehensive Analysis of the GiTCP Gene Family and Its Expression Under UV-B Radiation in Glycyrrhiza inflata Bat

  • Ziliang Liu,
  • Jiaang Zhao,
  • Ying Xiao,
  • Caijuan Li,
  • Rong Miao,
  • Sijin Chen,
  • Dan Zhang,
  • Xiangyan Zhou and
  • Mengfei Li

27 December 2024

TCP is a plant-specific transcription factor that plays an important role in plant growth and development. In this study, we used bioinformatics to identify the entire genome of the TCP gene family in Glycyrrhiza inflata Bat, and we analyzed the...

  • Article
  • Open Access
19 Citations
3,442 Views
24 Pages

Chemometric Analysis for the Prediction of Biochemical Compounds in Leaves Using UV-VIS-NIR-SWIR Hyperspectroscopy

  • Renan Falcioni,
  • João Vitor Ferreira Gonçalves,
  • Karym Mayara de Oliveira,
  • Caio Almeida de Oliveira,
  • Amanda Silveira Reis,
  • Luis Guilherme Teixeira Crusiol,
  • Renato Herrig Furlanetto,
  • Werner Camargos Antunes,
  • Everson Cezar and
  • Marcos Rafael Nanni
  • + 3 authors

28 September 2023

Reflectance hyperspectroscopy is recognised for its potential to elucidate biochemical changes, thereby enhancing the understanding of plant biochemistry. This study used the UV-VIS-NIR-SWIR spectral range to identify the different biochemical consti...

  • Article
  • Open Access
3 Citations
1,961 Views
16 Pages

30 October 2023

Ultraviolet-B (UV-B) radiation is a significant environmental factor influencing the growth and development of plants. MYBs play an essential role in the processes of plant responses to abiotic stresses. In the last few years, the development of tran...

  • Article
  • Open Access
3,331 Views
23 Pages

Morphological Characterization of Aspergillus flavus in Culture Media Using Digital Image Processing and Radiomic Analysis Under UV Radiation

  • Oscar J. Suarez,
  • Daniel C. Ruiz-Ayala,
  • Liliana Rojas Contreras,
  • Manuel G. Forero,
  • Jesús A. Medrano-Hermosillo and
  • Abraham Efraim Rodriguez-Mata

5 September 2025

The identification of Aspergillus flavus (A. flavus), a fungus known for producing aflatoxins, poses a taxonomic challenge due to its morphological plasticity and similarity to closely related species. This article proposes a computational approach f...

  • Article
  • Open Access
24 Citations
5,928 Views
16 Pages

21 March 2022

Metabolomic analysis of different body fluids bears high importance in medical sciences. Our aim was to develop and validate a fast UHPLC-UV method for the analysis of 33 amino acids and biogenic amines from complex biological samples. AccQ-Tag deriv...

  • Article
  • Open Access
337 Views
21 Pages

19 February 2026

The accurate estimation of the instantaneous UV Index (UVI) is critical for public health, yet it is often attempted using broadband pyranometers (measuring Global Horizontal Irradiance GHI) or photometers (measuring Lux). This approach is known to b...

  • Review
  • Open Access
3 Citations
8,444 Views
56 Pages

Since the 1990s, cannabis has experienced a gradual easing of access restrictions, accompanied by the expansion of its legalization and commercialization. This shift has led to the proliferation of cannabis-based products, available as cosmetics, foo...

  • Article
  • Open Access
8 Citations
4,555 Views
31 Pages

3 December 2022

Ceftobiprole is a novel β-lactam antibiotic, active against methicillin-resistant Staphylococcus aureus, vancomycin-resistant S. aureus and penicillin-resistant Streptococcus pneumoniae. To artificially generate potential degradation products (D...

  • Article
  • Open Access
6 Citations
1,355 Views
11 Pages

24 August 2000

A derivative UV-spectrophotometric method was developed for the analysis of two halogenated 8-hydroxyquinoline derivatives; iodochlorohyroxyquin (I) (Clioquinol) and diiodohydroxyquin (II) (iodoquinol). The proposed method depends on the formation of...

  • Article
  • Open Access
3 Citations
2,300 Views
20 Pages

Genome-Wide Analysis of Long Non-Coding RNAs Related to UV-B Radiation in the Antarctic Moss Pohlia nutans

  • Shuo Fang,
  • Bailin Cong,
  • Linlin Zhao,
  • Chenlin Liu,
  • Zhaohui Zhang and
  • Shenghao Liu

Antarctic organisms are consistently suffering from multiple environmental pressures, especially the strong UV radiation caused by the loss of the ozone layer. The mosses and lichens dominate the vegetation of the Antarctic continent, which grow and...

  • Article
  • Open Access
5 Citations
9,105 Views
16 Pages

Functional Analysis in Long-Term Operation of High Power UV-LEDs in Continuous Fluoro-Sensing Systems for Hydrocarbon Pollution

  • Francisco Jose Arques-Orobon,
  • Neftali Nuñez,
  • Manuel Vazquez and
  • Vicente Gonzalez-Posadas

26 February 2016

This work analyzes the long-term functionality of HP (High-power) UV-LEDs (Ultraviolet Light Emitting Diodes) as the exciting light source in non-contact, continuous 24/7 real-time fluoro-sensing pollutant identification in inland water. Fluorescence...

  • Article
  • Open Access
22 Citations
6,718 Views
10 Pages

10 January 2019

Cava is a sparkling wine obtained by a secondary fermentation in its own bottle. Grape skin contains several compounds, such as polyphenols, which act like natural protectors and provide flavor and color to the wines. In this paper, a previously opti...

  • Article
  • Open Access
8 Citations
4,776 Views
18 Pages

Near Infrared and UV-Visible Spectroscopy Coupled with Chemometrics for the Characterization of Flours from Different Starch Origins

  • Samuele Pellacani,
  • Marco Borsari,
  • Marina Cocchi,
  • Alessandro D’Alessandro,
  • Caterina Durante,
  • Giulia Farioli and
  • Lorenzo Strani

This work tested near-infrared (NIR) and UV-visible (UV-Vis) spectroscopy coupled with chemometrics to characterize flours from different starch origins. In particular, eighteen starch-containing flours (e.g., type 00 flour, rye, barley, soybean, che...

  • Article
  • Open Access
34 Citations
4,316 Views
15 Pages

23 February 2022

Storage conditions should be chosen so that they do not affect the action and stability of the active pharmaceutical substance (API), and excipients used in pharmacy. UV irradiation, increased temperature, and relative humidity can decompose storage...

  • Article
  • Open Access
6 Citations
7,401 Views
12 Pages

20 December 2018

An analysis of the network structures in thiol-ene UV curing resins was carried out using reworkable resins composed of di(meth)acrylate monomers having tertiary ester linkages. The effect of the functionality of the thiols, the functional ratio of t...

  • Technical Note
  • Open Access
5 Citations
3,250 Views
14 Pages

8 September 2022

In the present work, the data from the monitoring of the biologically active ultraviolet (UV) radiation of the Sun at the National Institute of Geophysics, Geodesy and Geography, Bulgarian Academy of Sciences for the period 2007–2021 were used....

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