Zobrazeno 1 - 10
of 22 756
pro vyhledávání: '"Spectrophotometric"'
Publikováno v:
BMC Chemistry, Vol 18, Iss 1, Pp 1-16 (2024)
Abstract The Food and Drug Administration (FDA) authorized the administration of ritonavir (RIT)-boosted nirmatrelvir (NMV) on May 25, 2023, for the treatment of mild to moderate COVID-19 in patients who are at high risk of developing severe COVID-19
Externí odkaz:
https://doaj.org/article/5cdeb2ed14ff40c3a1ae1db90deb5b8b
Publikováno v:
BMC Chemistry, Vol 18, Iss 1, Pp 1-10 (2024)
Abstract Herein, a novel UV spectrophotometric method coupled with chemometric tools was developed for the simultaneous determination of three fluoroquinolone antibiotics: ciprofloxacin, lomefloxacin, and enrofloxacin. Such integration of UV spectros
Externí odkaz:
https://doaj.org/article/b80b5342785543ba84ba7a75a72db83a
Publikováno v:
Ecological Engineering & Environmental Technology, Vol 25, Iss 12, Pp 269-277 (2024)
Ukraine traditionally suffers from acute shortage of quality drinking water, and this problem has intensified recently due to military operations on its territory. The lack of water laboratories in the combat area made it impossible to monitor the qu
Externí odkaz:
https://doaj.org/article/867c2f0566dc4d3d8095a9ef2e13dd33
Autor:
Abdelghani Mahmoudi, Ann Van Schepdael
Publikováno v:
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 19, Iss 1, Pp 37-46 (2024)
New spectrophotometric methods have been developed for the determination of josamycin in pure and dosage forms based on charge transfer reactions. Method-A was based on the complexation reaction of 1,2-naphthoquinone-4-sulphonate with josamycin. Comp
Externí odkaz:
https://doaj.org/article/82ec646782fb4164971851123894371a
Publikováno v:
Поволжская археология, Vol 2, Iss 48, Pp 61-67 (2024)
The article presents the geometric size and shapes of cast-iron pots which were found at the Salovka I settlement in the Upper Sura region. Also the paper reflects the results of studies of one of the fragments of a cast-iron pots, repair plate and s
Externí odkaz:
https://doaj.org/article/184a57ba4dca412f86272c7a0e51f6d9
Publikováno v:
Baghdad Science Journal, Vol 21, Iss 11 (2024)
Based on the catalytic response between hydrogen peroxide and dichlorophenolindophenol, a spectrophotometric method was developed to estimate adrenaline hydrochloride (ADR), Salbutamol sulfate (sal), and dopamine hydrochloride (DOPA) in pharmaceutica
Externí odkaz:
https://doaj.org/article/34315b8a0ed54b36bfe1028e0e0de240
Autor:
Bushra Alattab, Fares Abdullah Alarbagi, Maher Ali Almaqtari, Entesar Alhuraishi, Hussein Al-Maydama
Publikováno v:
Eclética Química, Vol 49 (2024)
A green analytical method, a simple, fast, and cost-effective simultaneous spectrophotometric method using two chemometric techniques, the partial least square regression (PLS) and principal component regression (PCR), for determining a combination o
Externí odkaz:
https://doaj.org/article/6faff1b7345848ed9add3afbba887cfd
Publikováno v:
Indonesian Journal of Chemical Analysis, Vol 7, Iss 2 (2024)
A literature review of the available spectrophotometric methods of determination of catecholamines is presented. Based on this review, two simple spectrophotometric methods for the determination of norepinephrine bitartrate in pharmaceutical formulat
Externí odkaz:
https://doaj.org/article/9c898dde97284d37bbdecab31995f62a
Publikováno v:
Chemical Physics Impact, Vol 9, Iss , Pp 100694- (2024)
Herein we describe 2-chloroimidazo[1,2-a]pyridine-appended Schiff base and chalcone conjugates, exploring their synthetic, spectrophotometric, biological, and computational aspects. UV–visible study revealed that scaffolds VIc and VIIIa exhibit bat
Externí odkaz:
https://doaj.org/article/0da4504fd8d34d32a63d46b8f17c42fd
Autor:
Khanda F.M. Amin
Publikováno v:
MethodsX, Vol 12, Iss , Pp 102670- (2024)
Green analytical approaches are employed for the determination of active pharmaceutical ingredients, in conjunction with their impurities. Smart chemometric spectrophotometric techniques, including orthogonal partial least square (OPLS), variable sel
Externí odkaz:
https://doaj.org/article/ff28d40c3685444e9b16284c5482c8f7