Results 1 to 10 of about 233,744 (164)

Wavelet Transform-Based UV Spectroscopy for Pharmaceutical Analysis [PDF]

open access: yesFrontiers in Chemistry, 2018
In research and development laboratories, chemical or pharmaceutical analysis has been carried out by evaluating sample signals obtained from instruments.
Erdal Dinç, Zehra Yazan
doaj   +2 more sources

UV Spectroscopy of Massive Stars [PDF]

open access: yesGalaxies, 2020
We present a review of UV observations of massive stars and their analysis. We discuss O stars, luminous blue variables, and Wolf–Rayet stars. Because of their effective temperature, the UV (912−3200 Å) provides invaluable diagnostics not available at ...
D. John Hillier
doaj   +3 more sources

Improved retrieval of SO2 plume height from TROPOMI using an iterative Covariance-Based Retrieval Algorithm [PDF]

open access: yesAtmospheric Measurement Techniques, 2022
Knowledge of sulfur dioxide layer height (SO2 LH) is important to understand volcanic eruption processes, the climate impact of SO2 emissions and to mitigate volcanic risk for civil aviation.
N. Theys   +10 more
doaj   +1 more source

Mycosynthesis of Silver Nanoparticles by Candida albicans Yeast and its Biological Applications [PDF]

open access: yesArchives of Razi Institute, 2021
This study conducted a mycosynthesis of silver nanoparticles (AgNPs) by Candida albicans supernatant. The mycosynthesized AgNPs were identified by color visualization, ultraviolet-visible (UV) spectroscopy device, X-ray diffraction (XRD), energy ...
R. A Hikmet, N. N Hussein
doaj   +1 more source

Structure of 2-nitro-2’-hydroxy-5’-methylazobenzene: Theoretical and spectroscopic study

open access: yesТонкие химические технологии, 2023
Objectives. 2-Hydroxy-nitroazobenzenes comprise reagents for the synthesis of heteroaromatic compounds, in the molecules of which the benzene and azole cycles are annulated.
A. A. Fedorova   +2 more
doaj   +1 more source

CHARACTERISATION AND STUDY OF 1- [2- (2-BENZOYLPHENOXY) ETHYL] -6-METHYLURACIL MECHANISM OF ACTION

open access: yesФармация и фармакология (Пятигорск), 2021
The aim of the study is to identify 1-[2-(2-benzoylphenoxy) ethyl]-6-methyluracil using various methods of analysis, as well as to study its action mechanism against wild-type and mutant forms of HIV-1 reverse transcriptase (RT).Materials and methods. To
E. A. Jain (Korsakova)   +5 more
doaj   +1 more source

Uji Keaslian Kopi Bubuk Spesialti Arabika Gayo Aceh Menggunakan Spektroskopi UV dan Kemometrika

open access: yesAgritech, 2021
Kopi arabika Gayo merupakan salah satu kopi spesialti dengan indikasi geografis yang menjadi salah satu target pengoplosan. Beras yang jumlahnya sangat banyak tersedia di Indonesia sangat potential menjadi bahan pengoplos kopi Gayo.
Diding Suhandy, Meinilwita Yulia
doaj   +1 more source

Selection of collector composition and temperature conditions for diamond foam separation [PDF]

open access: yesJournal of Mining and Metallurgy. Section A: Mining, 2022
Quantitative and qualitative regularities of a collector low and high molecular weight fractions distribution between solid and liquid phases in foam separation process were determined with the use of extraction-spectrophotometrical technique.
Morozov V.V.   +4 more
doaj   +1 more source

Method development and validation of aspirin and clopidogrel pharmaceutical dosage forms by developing new RP HPLC method

open access: yesJournal of Applied Pharmaceutical Research, 2020
A simple and selective LC method is described for the determination of Aspirin and Clopidogrel in tablet dosage forms. Chromatographic separation was achieved on a c18 column along with mobile phase consisting of a combination of fifty five volumes of ...
Nellore Dharani Sai Sreekanth   +1 more
doaj   +1 more source

DEVELOPMENT OF A MODIFIER FOR GIVING MATERIALS FROM EFFICIENTLY PROCESSED WOOD BIOMASS SPECIAL PROPERTIES

open access: yesSiberian Journal of Life Sciences and Agriculture, 2023
Background. Wood is a unique material in its structure. However, materials made from wood raw materials have such negative properties as insufficient bio- and fire-resistance.
Mikhail A. Zyryanov   +5 more
doaj   +1 more source

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