Results 21 to 30 of about 220,500 (264)
JIIS: Jurnal Ilmiah Ibnu Sina, 2016 Telah dilakukan penelitian tentang Analisa Flavonoid dari Ekstrak Etanol 96% Kulit Buah Okra Merah Secara Kromatografi Lapis Tipis dan Spektrofotometer UV-Vis.
Nia Lisnawati +2 more
doaj +3 more sources
Química Nova, 2004 Spectrophotometry is one of the most widespread analytical techniques due to its simplicity, reliability, and low-cost instrumentation for both direct measurements and coupled to other techniques or processes such as chromatography, electrophoresis and ...
Fábio R. P. Rocha +1 more
doaj +1 more source
Jurnal Kimia Sains dan Aplikasi, 2023 Makasar fruit (Brucea javanica L. Merr) is a medicinal plant frequently utilized in Indonesia for its anti-malarial, anti-diabetic, antioxidant, and antibacterial properties. This research aims to classify extracts from B.
Charles Banon +5 more
doaj +1 more source
A Real-Time Ultraviolet Radiation Imaging System Using an Organic Photoconductive Image Sensor
Sensors, 2018 We have developed a real time ultraviolet (UV) imaging system that can visualize both invisible UV light and a visible (VIS) background scene in an outdoor environment.
Toru Okino +6 more
doaj +1 more source
Thermodynamic characterisation of triazol ylimino-DNA interaction by UV–Vis spectroscopy
Journal of Photochemistry and Photobiology, 2020 To efficiently design improved therapeutic agent, study of molecule-DNA interaction is a crucial step. In our previous study, we investigated comprehensive mechanism of some 1,2,4 triazol-4-ylimino derivatives, and they exhibited excellent in vitro anti ...
Rafia Nimal, Afzal Shah, Muhammad Saddiq
doaj +1 more source
Scientific Reports, 2021 Machine learning (ML) algorithms were explored for the classification of the UV–Vis absorption spectrum of organic molecules based on molecular descriptors and fingerprints generated from 2D chemical structures.
Rafael Mamede +2 more
doaj +1 more source
Indonesian Journal of Chemistry, 2021 Andrographis paniculata is one of the medicinal plants used for the treatment of antidiabetic. Cultivation ages and solvent extraction affected metabolites' composition and concentration that directly cause the plant's efficacies.
Antonio Kautsar +10 more
doaj +1 more source
Diclofenac analysis in natural waters using UV-visible absorption spectrometric method
Macedonian Journal of Chemistry and Chemical Engineering, 2023 In this work, we developed an UV-visible (UV-VIS) absorption spectrometric method for the quantification of sodium diclofenac in natural waters. Several UV-VIS absorption method parameters were optimized.
Jean-Marie Bakhoum +6 more
doaj +1 more source
Remote Sensing Observation of New Particle Formation Events with a (UV, VIS) Polarization Lidar
Remote Sensing, 2019 Observations of new particle formation events in free troposphere are rather seldom and limited in time and space, mainly due to the complexity and the cost of the required on-board instrumentation for airplane field campaigns.
Alain Miffre +3 more
doaj +1 more source
Physical Sciences Reviews, 2018 Abstract UV-Vis reflectance spectroscopy has been widely used as a non-invasive method for the study of cultural heritage materials for several decades. In particular, FORS, introduced in the 1980s, allows to acquire hundreds of reflectance spectra in situ in a short time ...
Picollo Marcello +2 more
openaire +7 more sources