Zobrazeno 1 - 10
of 1 071
pro vyhledávání: '"Mahmoud A. Mohamed"'
Publikováno v:
Results in Chemistry, Vol 9, Iss , Pp 101666- (2024)
1,3,4-Selenadiazoles and 1,3,4-thiadiazolese, were synthesized from the reaction of hydrazonoyl bromide with potassium thiocyanate and potassium selenocyanate, respectively. Also, treatment of hydrazonoyl bromide with malononitrile gave pyrazole-4-ca
Externí odkaz:
https://doaj.org/article/5aa435dab2c14a52a27658fd93a1ed2a
Autor:
Ahmed M. Hussein, Areej Al Bahir, Yasser H. Zaki, Osama M. Ahmed, Ahmad F. Eweas, Shaaban A. Elroby, Mahmoud A. Mohamed
Publikováno v:
Results in Chemistry, Vol 9, Iss , Pp 101647- (2024)
Externí odkaz:
https://doaj.org/article/fec4e3f9a98f410e939631ae9b1f9294
Autor:
Sobhi M. Gomha, Sayed M. Riyadh, Basant Farag, Sami A. Al-Hussain, Magdi E. A. Zaki, Mahmoud A. Mohamed
Publikováno v:
Green Chemistry Letters and Reviews, Vol 17, Iss 1 (2024)
The study focuses on green methodologies in synthetic organic chemistry, emphasizing the use of thiamine hydrochloride (Vitamin B1) as an eco-friendly catalyst for synthesizing hydrazono-thiazolones. These compounds serve as versatile core units with
Externí odkaz:
https://doaj.org/article/937167117b184556a158b55bdb54f968
Autor:
Hossam M. Nassef, Hoda A. Ahmed, Mohamed A. El-Atawy, Tahani Y. A. Alanazi, Mahmoud A. Mohamed
Publikováno v:
Green Chemistry Letters and Reviews, Vol 17, Iss 1 (2024)
ABSTRACTA study on green analytical chemistry aims to develop eco-friendly alternatives to hazardous substances and minimize waste generation. The study thoroughly examined various tools to determine their greenness. A newly validated RP-UPLC method
Externí odkaz:
https://doaj.org/article/9abbd8c0a3d742aebbfc6df3a6e1c222
Autor:
Alaa A. Ahmed-Anwar, Mahmoud A. Mohamed, Ahmed A. Farghali, Rehab Mahmoud, Mohamed E. M. Hassouna
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-11 (2023)
Abstract Investigation of a unique and fast method for the determination and separation of a mixture of three drugs viz., ciprofloxacin (CIP), Ibuprofen (IBU), and diclofenac sodium (DIC) in actual samples of human plasma. Also, the technique was use
Externí odkaz:
https://doaj.org/article/48513700632b411f9fe84344bde45129
Publikováno v:
BMC Chemistry, Vol 17, Iss 1, Pp 1-20 (2023)
Abstract Economical, highly robust, selective, precise, and eco-friendly RP-UPLC and spectrophotometric methods were developed and validated for the concurrent estimation of selected pharmaceutical drugs represented in ceftazidime (CFZ) and pyridine
Externí odkaz:
https://doaj.org/article/4eafc92418684296ade2863569c8e637
Autor:
Ahmed M. Hussein, Areej Al Bahir, Yasser H. Zaki, Osama M. Ahmed, Ahmad F. Eweas, Shaaban A. Elroby, Mahmoud A. Mohamed
Publikováno v:
Results in Chemistry, Vol 7, Iss , Pp 101508- (2024)
Nitrogen and sulfur-containing heterocyclic aromatic derivatives play an enormous and important role in the field of medicine and in synthesis of pharmaceutically active compounds. In this study, a series of new 2-[1-(1,3-diphenyl-1H-pyrazol-4-yl)eth
Externí odkaz:
https://doaj.org/article/d3b5f9ceb4464e90a69d7a9e60f1c500
Autor:
Tahani Y. A. Alanazi, Rami Adel Pashameah, Ammena Y. Binsaleh, Mahmoud A. Mohamed, Hoda A. Ahmed, Hossam F. Nassar
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-28 (2023)
Abstract A precise, Eco-friendly, and highly sensitive RP-HPLC method was employed using quality-by-design principles to concurrently identify cephalexin and cefixime residues in the manufacturing machines using a hypersil BDS C18 column (250 × 4.6
Externí odkaz:
https://doaj.org/article/b3eb8c83f8184560a6ceba340613903a
Autor:
Ahmed F. Abd El-Khalek, Yasser S. A. Mazrou, Harlene M. Hatterman-Valenti, Ashraf A. Awadeen, Shimaa M. M. El-Mogy, Mosaad A. El-Kenawy, Bassam E. A. Belal, Mahmoud A. Mohamed, Islam F. Hassan, Hassan F. El-Wakeel, Abeer H. Makhlouf, Alaa El-Din K. Omar, Shamel M. Alam-Eldein
Publikováno v:
Agronomy, Vol 14, Iss 4, p 815 (2024)
In viticulture, the main target is to achieve high yield and good fruit quality without compromising vine growth. Methods to achieve this balance will vary with regard to climate and cultivar. A two-year study was conducted on five-year-old ‘Prime
Externí odkaz:
https://doaj.org/article/b4eaf014c77f4b18aa7fe817df6dd667
Publikováno v:
Notulae Botanicae Horti Agrobotanici Cluj-Napoca, Vol 51, Iss 2 (2023)
One of the environmental sustainability issues is salinity. Basil seedlings (Ocimum basilicum L.) were treated using NaCl solutions of three different concentrations prepared using irrigation (40, 80, and 130 mM), and various biochemical analyses wer
Externí odkaz:
https://doaj.org/article/30dd2c356d8d4014badb3c6cc5c2583a