Results 11 to 20 of about 431,788 (279)

A new approach for the determination of sunscreen levels in seawater by ultraviolet absorption spectrophotometry

PLoS ONE, 2020
Sunscreen is released into the marine environment and is considered toxic for marine life. The current analytical methods for the quantification of sunscreen are mostly specific to individual chemical ingredients and based on complex analytical and ...
A. Tovar‐Sánchez, E. Sparaventi, Amandine Gaudron, A. Rodríguez-Romero   +3 more
semanticscholar   +1 more source

Diagnosis of Smith-Lemli-Opitz syndrome by ultraviolet spectrophotometry

Brazilian Journal of Medical and Biological Research, 2003
Smith-Lemli-Opitz syndrome (SLOS) is an autosomal recessive disorder due to an inborn error of cholesterol metabolism, characterized by congenital malformations, dysmorphism of multiple organs, mental retardation and delayed neuropsychomotor development ...
F.B. Scalco, V.M. Cruzes, R.C. Vendramini, I.L. Brunetti, D. Moretti-Ferreira   +4 more
doaj   +1 more source

Direct determination of palladium with furilacroleineoxime by ultraviolet spectrophotometry

Eclética Química, 2018
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José Antonio Silva Coello
doaj   +1 more source

Highly efficient ultraviolet photodetector based on molybdenum-doped nanostructured NiO/ITO thin film

Applied Physics A, 2023
Nanostructured pure and molybdenum (Mo)-doped nickel oxide (NiO) thin films with various concentrations of Mo dopants were successfully sputtered on indium-doped tin oxide (ITO) substrates to apply in the ultraviolet (UV) photodetector sensors.
Hasnaa H. Abdelhalium, M. Abdel-wahab, M. T. Tamm, Wael Z. Tawfik   +3 more
semanticscholar   +1 more source

Simultaneously Content Analysis of Sulfadoxine and Pyrimethamine in Tablet Dosage Form by Spectrophotometry Ultraviolet with Dual Wavelenght Method

Asian Journal of Pharmaceutical Research and Development, 2019
Aim: method development results from this study are expected to be one of the methods that can be applied by the relevant agencies in determining the simultaneous levels of sulfadoxine and pyrimethamine in tablet dosage form. Pyrimethamine - Sulfadoxine (
A. Muhammad, De Lux Effendy, Putra Muchlisyam   +2 more
semanticscholar   +1 more source

Acceptability criteria for linear dependence in validating UV-spectrophotometric methods of quantitative determination in forensic and toxicological analysis

Aktualʹnì Pitannâ Farmacevtičnoï ì Medičnoï Nauki ta Praktiki, 2014
Introduction. This article is the result of authors’ research in the field of development of the approaches to validation of quantitative determination methods for purposes of forensic and toxicological analysis and devoted to the problem of ...
L. Yu. Klimenko, G. P. Petyunin, S. M. Trut, V. P. Moroz   +3 more
doaj   +1 more source

A sustainable data processing approach using ultraviolet-spectroscopy as a powerful spectral resolution tool for simultaneously estimating newly approved eye solution in the presence of extremely carcinogenic impurity aided with various greenness and whiteness assessment perspectives: Application to

Journal Chemical Research, 2023
Drug impurities are now seen as a major threat to drug safety around the world, especially when it comes to carcinogenic impurities. Here, we present the first spectrophotometric approach for the quantification of lignocaine and fluorescein in the ...
Khalid A M Attia, Ahmed El-Olemy, A. E. F. Abbas, S. M. Eid   +3 more
semanticscholar   +1 more source

Regulation of catalase activity variation of tea tree (Camellia sinensis)

浙江大学学报. 农业与生命科学版, 2014
Catalase (CAT) is a protective enzyme responsible for the degradation of hydrogen peroxide before it damages the cellular components. All aerobic organisms and many anaerobic organisms possess it in virtually.
Yang Jie, Gong Shuying, Tang Desong
doaj   +1 more source

NOVEL ULTRAVIOLET ABSORBERS DERIVED FROM CASHEW NUT SHELL LIQUID: SPECTROPHOTOMETRIC, IN SILICO AND IN VITRO ASSAYS

Drug Analytical Research, 2020
The cashew nut shell liquid (CNSL) constituents were isolated by our group leading to four mixtures and seventeen pure compounds, which had chromophoric groups similar to organic ultraviolet (UV) absorbers.
Emeli Moura de Araújo, Luiz Antônio Soares Romeiro, Ana Paula Rodrigues, Priscilla Souza Alves, Viviane Cândida da Silva, Lúcio Paulo Lima Logrado, Maria Lucília dos Santos, Maria Márcia Murta, Álvaro Augusto da Costa Leitão, Sheila Garcia, Gisela Maria Dellamora-Ortiz   +10 more
doaj   +1 more source

Smith-Lemli-Opitz Syndrome

Pediatric Neurology Briefs, 1996
Clinical features as specific indicators in the diagnosis of Smith-Lemli-Opitz syndrome (SLOS) and the reliability of ultraviolet spectrophotometry (UVS) as a biochemical screening test were examined by an Italian SLOS Collaborative Group of ...
J Gordon Millichap
doaj   +1 more source