Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Alexander Weremfo"'
Publikováno v:
Journal of Food Quality, Vol 2020 (2020)
An ion-pair HPLC method with postcolumn o-phthalaldehyde (OPA) derivatization and fluorescence detection was validated for quantitative determination of five biogenic amines (histamine, tyramine, cadaverine, putrescine, and agmatine) in canned fish p
Externí odkaz:
https://doaj.org/article/cb0606e743e3474b85d48dbf7d0ba92b
Publikováno v:
Journal of Analytical Methods in Chemistry, Vol 2020 (2020)
This study was designed to optimize three microwave-assisted extraction (MAE) parameters (ethanol concentration, microwave power, and extraction time) of total phenolics, total flavonoids, and antioxidant activity of avocado seeds using response surf
Externí odkaz:
https://doaj.org/article/c55884f615ca475b9e14e7430750a1ef
Publikováno v:
Journal of the Science of Food and Agriculture. 103:26-36
Response surface methodology (RSM) is a widely used mathematical and statistical technique for modeling and optimizing the process for the extraction of bioactive compounds. This review explains the optimization approach through the use of experiment
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::41cb9c2f6b95ad4831e79f2b122d15cf
https://doi.org/10.1002/jsfa.12121
https://doi.org/10.1002/jsfa.12121
Autor:
Alexander Weremfo
Publikováno v:
Toxin Reviews. 40:1104-1109
The concentrations of lead (Pb), cadmium (Cd), cobalt (Co), and manganese (Mn) in salts from four salt winning communities (Ada, Nyanyano, Saltpond, and Elmina) and two commonly consumed refined sa...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8206f24d24c593b7669827518f6af28
https://doi.org/10.1080/15569543.2019.1649283
https://doi.org/10.1080/15569543.2019.1649283
Autor:
Alexander Weremfo, Felix Adulley, Kwabena Dabie, Samuel Abassah-Oppong, Emmanuel Peprah-Yamoah
Publikováno v:
Journal of Applied Research on Medicinal and Aromatic Plants. 30:100387
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7d6dddbac9d2dad1eb31ff42b363bb60
https://doi.org/10.1016/j.jarmap.2022.100387
https://doi.org/10.1016/j.jarmap.2022.100387
Autor:
Francis Abrokwah, Yanhui Ao, Alexander Weremfo, Emmanuel Afriyie, Williams Kweku Darkwah, Micheal Buenor Adinortey
Publikováno v:
Free Radicals and Antioxidants. 8:82-88
Background: Antioxidants present in natural sources helps to scavenge free radicals and thus, provide health benefits. The main objective for this research is to determine phenolic, flavonoid, and alkaloid contents, nitric oxide scavenging activity,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0fffcea145fd7901b86762e608aea3ee
https://doi.org/10.5530/fra.2018.2.13
https://doi.org/10.5530/fra.2018.2.13
Publikováno v:
Electrochimica Acta. 231:20-26
A sensitive and reliable non-enzymatic electrochemical blood-glucose sensor has been fabricated using a nanoporous platinum sensing interface prepared by successive electrochemical formation and reduction of thick hydrous platinum oxide layers. The f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::14e5ef9b1ef6a8876d6b3c9702518dd3
https://doi.org/10.1016/j.electacta.2017.02.018
https://doi.org/10.1016/j.electacta.2017.02.018
Publikováno v:
Chemical Communications. 52:4068-4071
Pt is usually not considered as an efficient catalyst for water oxidation. Here, we report a design-of-experiment approach for modelling the roughness of an electrochemically roughened Pt electrode for water oxidation. The results indicate significan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8a95c8151a4efd045f6d0b04c13d5a00
https://doi.org/10.1039/c5cc09947a
https://doi.org/10.1039/c5cc09947a
Autor:
Michael Buenor, Adinortey, Charles, Ansah, Alexander, Weremfo, Cynthia Ayefoumi, Adinortey, Genevieve Etornam, Adukpo, Elvis Ofori, Ameyaw, Alexander Kwadwo, Nyarko
Publikováno v:
Journal of Natural Science, Biology, and Medicine
Background: The leaf extract of Launaea taraxacifolia commonly known as African Lettuce is used locally to treat dyslipidemia and liver diseases, which are associated with oxidative stress. Methanol extract from L. taraxacifolia leaves was tested for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::ce9b6d990d6a59eee207e541ee3182f2
https://pubmed.ncbi.nlm.nih.gov/29456385
https://pubmed.ncbi.nlm.nih.gov/29456385
Publikováno v:
Langmuir. 31:2593-2599
Platinum electrodes have been electrochemically roughened (roughness factors up to 430) and evaluated for use as neural stimulation electrodes. The roughened electrodes show superior interfacial properties with increasing surface roughness. The rough
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a94485edc48504770288f1fb020edfcf
https://doi.org/10.1021/la504876n
https://doi.org/10.1021/la504876n