Surface enhanced infrared absorption spectroscopy (SEIRA) as a green analytical chemistry approach: Coating of recycled aluminum TLC sheets with citrate capped silver nanoparticles for chemometric quantitative analysis of ternary mixtures as a green alternative to the traditional methods

Milk is one of the most important multicomponent superfoods owing to its rich macronutrient composition. It requires quality control at all the production stages from the farm to the finished products. A localized surface plasmon resonance optical sensor based on a citrate-capped silver nanoparticle (Cit-AgNP)–coated glass substrate was developed. The fabrication of such sensors involved a single-step synthesis of Cit-AgNPs followed by surface modification of glass slides to be coated with the nanoparticles. The scanning electron microscope micrographs demonstrated that the nanoparticles formed monolayer islands on glass slides. The developed surface-enhanced infrared absorption spectroscopy (SEIRA) sensor was coupled to artificial neural networking (ANN) for the qualitative differentiation between cow, camel, goat, buffalo, and infants’ formula powdered milk types. Moreover, it can be used for the quantitative determination of the main milk components such as fat, casein, urea, and lactose in each milk type. The qualitative results showed that the obtained FTIR spectra of cow and buffalo milk have high similarity, whereas camel milk resembled infant formula powdered milk. The most difference in FTIR characteristics was evidenced in the case of goat milk. The developed sensor adds several advantages over the traditional techniques of milk analysis using MilkoScan™ such as less generated waste, elimination of pre-treatment steps, minimal sample volume, low operation time, and on-site analysis. Graphical abstract

show abstract

“…We have prepared the Cit-AgNP colloidal solution as described in [ 27 , 28 ]. The details are in the supplementary file.…”

Section: Methodsmentioning

confidence: 99%

“…), and its shape, size, and surrounding environment [ 26 ]. Different sensors based on LSPR have been applied in many important fields [ 27 , 28 ].…”

Section: Introductionmentioning

confidence: 99%

Identification of milk quality and adulteration by surface-enhanced infrared absorption spectroscopy coupled to artificial neural networks using citrate-capped silver nanoislands

2022

Self Cite

View full text Add to dashboard Cite

show abstract

“…The surface-enhanced infrared absorption spectroscopy technique proposed by Sherif M. Eid et al satisfies the mentioned requirements. SEIRA is a viable alternative to the classical methods used for active compounds dosage [29].…”

Section: Analytical Techniquesmentioning

confidence: 99%

Green methods that are used to ensure the sustainable development of the environment and the society

Gavrilaș

2022

MATEC Web Conf.

View full text Add to dashboard Cite

Nowadays, pollution is one of the biggest challenges for human society. Many types of research are directed toward finding sustainable solutions with minimum or no environmental impact. The contaminants affect the ecosystem components and the people's health equally. Cardiovascular and cancer are only two examples of diseases for which air and food adulteration are directly influenced. For each situation, the conditions need to be evaluated. Environmental accidents or rehearsal ones can determine the risk sources. Regardless of the case, prevention measures are always recommended. Different organic wastes recovery represents a possible solution ensuring an endurable process. Such an approach has to be also looked at from an economic point of view. Renewable natural raw materials usually have lower costs. Independent of the considered strategies, they all have to be based on two pilings. One acts by the authority’s involvement using legislation and standards, and the other refers to society through awareness and implication. The paper highlights some of the most recent and significant findings regarding eco-friendly and sustainable techniques newly developed that were presented in recently published articles. The topics considered essential for this approach regarded the improvements made to increase the city life, the industrial environment, and the laboratory techniques.

show abstract

“…Moreover, HPLC devices consume large amounts of samples, solvents, energy, and time during operation and trials. 16 Great efforts have been spent to overcome these obstacles, such as using dissolution devices attached to UV/VIS detectors with automatic samplers or potentiometric ion-selective electrodes. [17][18][19] ISE electrodes offer many advantages over the traditional techniques for quantitative real-time tracking of the dissolution of pharmaceutical preparations due to their simplicity, portability, economical operation, and being unaffected by excipients and colors.…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Widening the applications of the Just-Dip-It approach: a solid contact screen-printed ion-selective electrode for the real-time assessment of pharmaceutical dissolution testing in comparison to off-line HPLC analysis

et al. 2021

Self Cite

View full text Add to dashboard Cite

show abstract

Surface enhanced infrared absorption spectroscopy (SEIRA) as a green analytical chemistry approach: Coating of recycled aluminum TLC sheets with citrate capped silver nanoparticles for chemometric quantitative analysis of ternary mixtures as a green alternative to the traditional methods

Cited by 22 publications

References 43 publications

Identification of milk quality and adulteration by surface-enhanced infrared absorption spectroscopy coupled to artificial neural networks using citrate-capped silver nanoislands

Identification of milk quality and adulteration by surface-enhanced infrared absorption spectroscopy coupled to artificial neural networks using citrate-capped silver nanoislands

Green methods that are used to ensure the sustainable development of the environment and the society

Widening the applications of the Just-Dip-It approach: a solid contact screen-printed ion-selective electrode for the real-time assessment of pharmaceutical dissolution testing in comparison to off-line HPLC analysis

Contact Info

Product

Resources

About