Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Waleed Alahmad"'
Publikováno v:
Green Analytical Chemistry, Vol 9, Iss , Pp 100117- (2024)
Anthocyanins, natural pigment molecules found in plants, show potential as green reagents for solid-state colorimetric analytical sensors, aligning with the urgent need for environmentally friendly analytical techniques. This review focuses on anthoc
Externí odkaz:
https://doaj.org/article/650d900fb42c4a0387b17afca8f0f73b
Autor:
Niluh Indria Wardani, Thidarat Samkumpim, Waleed Alahmad, Andrew William King, Pakorn Varanusupakul, Andrey Shishov, Noorfatimah Yahaya, Nur Nadhirah Mohamad Zain
Publikováno v:
Advances in Sample Preparation, Vol 10, Iss , Pp 100113- (2024)
As the global demand for sustainable and renewable resources intensifies, there is an imperative to explore innovative technologies for biomass valorization. This review delves into a promising avenue, providing an overview of green approaches that c
Externí odkaz:
https://doaj.org/article/68aba84bc13e478ba438c1945f8a81ca
Publikováno v:
Heliyon, Vol 10, Iss 10, Pp e31317- (2024)
Recently, the blood plasma or serum levels of soluble programmed death protein 1 (PD-L1), but not tissue PD-L1 expression level, have been proposed as an effective predictive and prognostic biomarker in patients treated with immune checkpoint inhibit
Externí odkaz:
https://doaj.org/article/2a7de14234934cf8bdf779056422f53f
Publikováno v:
Advances in Sample Preparation, Vol 8, Iss , Pp 100097- (2023)
In recent years, electromembrane microextraction techniques have been used widely for the analysis of chromium species (trivalent and hexavalent chromium) in different environmental matrices. It is based on the electrokinetic migration across a membr
Externí odkaz:
https://doaj.org/article/b4d7dd2979424aa7b8bf3417aebf3cec
Publikováno v:
Advances in Sample Preparation, Vol 8, Iss , Pp 100091- (2023)
An analytical method combining fatty acid-emulsification liquid-liquid microextraction (FA-ELLME) with solidification of floating drops (SFD) and droplet digital image colorimetry (DDIC) was developed for the analysis of rhodamine B (RhB) in food and
Externí odkaz:
https://doaj.org/article/91b12ee51c054c5aa5da18a9466fb3de
Publikováno v:
Advances in Sample Preparation, Vol 7, Iss , Pp 100076- (2023)
A novel, inexpensive, and sensitive microanalytical system for the determination of total ammonia-nitrogen (ammonia-N) in water was developed. The system was designed to detect ammonia using an in-line purging system coupled with a newly designed gas
Externí odkaz:
https://doaj.org/article/ee0ae3950bf44fd7a467078f00463418
Publikováno v:
Advances in Sample Preparation, Vol 5, Iss , Pp 100053- (2023)
In recent years, food quality and safety have gained increasing attention. However, due to the complexity of food composition, accurate classical extraction techniques require using toxic organic solvents. The development of green extraction techniqu
Externí odkaz:
https://doaj.org/article/af181e6db9864222bde30bfb0da8b5d9
Autor:
Waleed Alahmad, Nuttapat Pianarnupap, Thirawan Banjonglaksamee, Fatima Alabdo, Niluh Indria Wardani, Pakorn Varanusupakul
Publikováno v:
Advances in Sample Preparation, Vol 4, Iss , Pp 100043- (2022)
A simple and cost-effective analytical approach based on the combination of purge and trap technique coupling with smartphone-based image analysis was developed for the sensitive detection of ethanol. Herein, the dichromate solution was used as the d
Externí odkaz:
https://doaj.org/article/7c8cfc1fee844391a644e7f210408c7d
Publikováno v:
Advances in Sample Preparation, Vol 3, Iss , Pp 100036- (2022)
For the first time, in-tube gel electro-membrane microextraction (IT-G-EME) system followed by microfluidic paper-based analytical devices (µPADs) as a low-cost reading platform was fabricated for the speciation of trivalent chromium (Cr(III)) and h
Externí odkaz:
https://doaj.org/article/17a56ad7567f4e8a8072b38d9d90f8e2
Publikováno v:
Food Chemistry. 422:136190