Results 11 to 20 of about 232,220 (312)

Analysis of alkaloids (indole alkaloids, isoquinoline alkaloids, tropane alkaloids)

open access: yes, 2020
Alkaloids are a large cluster of molecules found in Mother Nature all over the world. They are all secondary compounds and collection of miscellaneous elements and biomolecules, derived from amino acids or from transamination. This diverse chemical group is categorized, based on the amino acids that deliver their nitrogen atom and part of their ...
Dey, Prasanta   +7 more
openaire   +1 more source

Optimization of a forced degradation study of atorvastatin employing an experimental design approach

open access: yesMacedonian Journal of Chemistry and Chemical Engineering, 2018
This study involved the optimization of experimental conditions for the forced degradation of atorvastatin employing the experimental design (DoE) approach, as a scientific multifactorial strategy.
Maja Hadzieva Gigovska   +7 more
doaj   +1 more source

Effect of hydrogen bonding and complexation with metal ions on the fluorescence of luotonin A [PDF]

open access: yes, 2013
Fluorescence characteristics of a biologically active natural alkaloid, luotonin A (LuA), were studied by steady-state and time-resolved spectroscopic methods.
Abraham   +45 more
core   +1 more source

Preformulation Characterization of Hydroxypropyl Cellulose Microparticles for Drug Delivery Applications: A Basis for Rational Design and Process Optimization [PDF]

open access: yesChemical and Biochemical Engineering Quarterly
This study explores early formulation parameters influencing hydroxypropyl cellulose (HPC)-based microparticles as carriers for paracetamol, with the aim of establishing a modified-release drug delivery system and informing future design optimization ...
T. Georgievska   +4 more
doaj   +1 more source

Advancements in lead therapeutic phytochemicals polycystic ovary syndrome: A review

open access: yesFrontiers in Pharmacology, 2023
Polycystic ovary syndrome (PCOS) is one of the most common endocrine diseases in women of reproductive age and features complex pathological symptoms and mechanisms.
Er-Dan Luo   +10 more
doaj   +1 more source

Catalytic asymmetric synthesis of the alkaloid (+)-myrtine [PDF]

open access: yes, 2008
A new protocol for the asymmetric synthesis of trans-2,6-disubstituted-4-piperidones has been developed using a catalytic enantioselective conjugate addition reaction in combination with a diastereoselective lithiation–substitution sequence; an efficient
Adriaan J. Minnaard   +62 more
core   +1 more source

Advantages of trend analysis in stability studies for prediction of potential OOS result within estimated shelflife of medicinal product [PDF]

open access: yesMakedonsko Farmacevtski Bilten
Stability studies are crucial for pharmaceutical product registration, providing vital data to assess batch-to-batch consistency, monitor critical quality attributes, and ensure the product's quality, safety, and efficacy over its entire shelf life ...
Milena Nanov   +4 more
doaj   +1 more source

Influence of different formulations and granulation techniques on dissolution of folic acid in film coated tablets [PDF]

open access: yesMakedonsko Farmacevtski Bilten, 2011
The vitamin folic acid has received considerable attention because of it′s role in decreasing risk of neural tube birth defects, and it′s potential role in reducing risks of cardiovascular and psychiatric diseases.
Ljiljana Krsteska   +4 more
doaj  

Kajian Farmakoinformatika Senyawa Alkaloid Anggur Laut (Caulerpa racemose) Sebagai Inhibitor Collagenase Dalam Mekanisme Antiaging

open access: yesFlorea: Jurnal Biologi dan Pembelajarannya, 2022
Caulerpa racemosa or sea grape is an edible macroalgae, cultivated and wild species in Asia ocean. Sea grapes also well known as functional food source from marine, contains high protein, fibers and secondari metabolites.
Dewi Ratih Tirto Sari   +2 more
doaj   +1 more source

Detection of substrate binding motifs for morphine biosynthetic pathway intermediates in novel wound inducible (R,S)-reticuline 7-O-methyltransferase of Papaver somniferum [PDF]

open access: yes, 2011
The benzylisoquinoline alkaloids (BIA) comprise a large and diverse group of nitrogen-containing secondary metabolites with about 2500 compounds identified in plants.
Abha Meena   +5 more
core   +2 more sources

Home - About - Disclaimer - Privacy