Maria Jesus Villasenor Llerena, Castilla- La Mancha University, Spain
Carbon-based nanodots are a new family of spherical dots (size below 30 nm) which are overall categorized into graphene quantum dots (GQDs), carbon quantum dots (CQDs) and carbon nanodots (CNDs). They possess unique physicochemical properties such as stable fluorescence, large sp [....] » Read More
Title : Chromatographic methods for authenticating bee pollen origin
Jose Bernal, University of Valladolid, Spain
Bee pollen has been used in the human diet for many centuries, and its ever-increasing consumption results from its nutritional value and health-promoting effects, like those relating to its antioxidant, anti-inflammatory, anticarcinogenic, antibacterial or anti-fungal properties [....] » Read More
Title : Raman spectroscopy and imaging in organization, processing and functionalization of polysaccharide materials
Pieter Samyn, Department of Innovations in Circular Economy and Renewable Materials, SIRRIS, Leuven, Belgium
The Raman spectra of polysaccharide materials provide plenty information on the local organization of polysaccharides in biological materials, their structural variations during processing and surface composition upon functionalization. Each of these aspects are covered by three [....] » Read More
Title : Portable and laboratory analytical photometric and fluorometric systems based on the use of 3D printed devices
Victor Cerda, Sciware Systems, Spain
The design of several 3D printed devices and some electronic boards, combined with the use of digital imaging detectors, has allowed to build different kinds of portable and cheap photometric systems. 3D printed devices are used to hold the detectors, usual and flow cells, and th [....] » Read More
Title : Development of new creep prediction model for use through computational modelling for SS-304 material
Mohsin Sattar, Universiti Teknologi Petronas, Malaysia
With the increase of the operational parameters, structural components in power plant are suffering from elevated temperatures and pressures, which are high enough for creep to occur. This may lead to failure and fracture in components. Over the past several decades, considerable [....] » Read More
Title : DNA-templated silver nanoclusters light up tryptophan for combined detection of plasma tryptophan and albumin in sepsis
Jingpu Zhang, Shanghai Public Health Clinical Center, China
Tryptophan (Trp) as an essential amino acid plays critical roles in regulating multiple cell activities, and the changes of its circulating level usually indicate disease status such as the severity of acute inflammation sepsis. However, the current technology for Trp detection m [....] » Read More
Title : Nanomaterial-based Intelligent Point-of-care Testing for Food Safety: Mycotoxins
Hu Xiaofeng, Oil Crops Research Institute, China
Mycotoxins are typical pollutants that endanger foods and have harmful effects such as carcinogenic, teratogenic, and mutagenic. Aflatoxin B1 is recognized as a class I carcinogen by the International Agency for Research on Cancer. Cyclopiazonic acid can easily cause degenerative [....] » Read More
Title : Innovations in Bioanalytical Techniques for diagnosing Infectious Diseases
Megha Sharma, All India Institute of Medical Sciences, India
Infectious diseases, especially bacterial, continue to haunt the healthcare system of most countries. Accurate and timely diagnosis of these bacterial infections is imperative to prevent the high morbidity, mortality, length of stay and cost associated with them. Though advances [....] » Read More
Title : Near Infrared Spectroscopy as a quick tool to identify saw dust adulteration in Coriander (Coriandrum sativum L.) Powder
Uma Kamboj, Lovely Professional University, India
Near Infrared (NIR) Spectroscopy is a rapid, non-destructive tool to analyse the food products qualitatively and quantitatively. In the present study NIR is used to analyse the adulteration of Coriander (Coriandrum sativum L.) powder. Coriander is considered an annual herb and sp [....] » Read More
Title : Graphene and MOF based materials for electrochemical sensing of biologically important analytes
Gomathi N, Indian Institute of Space Science and Technology, India
The full potential of graphene sheets as electrode material in electrochemical sensing is limited by restacking, inert surface and high charging current which can be overcome by incorporating carbon spacers such as carbon nanotube (CNT), graphene nanoribbon (GNR) or any carbon-ba [....] » Read More
Title : Bifunctional CNDs to enhance electrochemiluminescence for the sensitive detection of analytes of clinical and environmental interest
Cristina Gutierrez Sanchez, Universidad Autonoma de Madrid, Spain
Nitrogen-rich carbon nanodots (CD) have been synthesized with two functions: to provide functional groups for covalent immobilization of antibodies and to act as co-reactants in the electrochemiluminescent process. CD have been synthetized by a carbonization method microwave-a [....] » Read More
Title : Supercritical fluid chromatographic technique as an alternative to separate isomers of urolithin conjugates
Ana Maria Ares Sacristan, University of Valladolid, Spain
Microbiota metabolites, which seem to be responsible of health beneficial effects, are produced in humans after the intake of foods. Urolithins are a class of them that can be found in foods that contain ellagitannins and ellagic acid. After their absorption, they are conjugated [....] » Read More
Title : Trace-contaminants determination in glycerin samples after a simple dilute and shot approach for analysis by ICP-OES
Jefferson Santos de Gois, Rio de Janeiro State University, Brazil
Glycerol is an organic compound characterized as a thi-alcohol, with high viscosity (1.41 kg sm-1) and density (1260 kg m-3 at 20oC), when compared to water. Glycerol represents around 10% of biodiesel production and it is widely used for sanitary formulations for sanitization. T [....] » Read More
Title : Stroboscopic flashes on the Netherland
Pier Giorgio Righetti, Politecnico di Milano, Italy
The EVA methodology that will be presented consists in a hydrophilic polymer of ethylene-vinyl acetate (this is the origin of the acronym EVA) admixed with very fine particles of solid-phase sorbents (strong anion and cation exchangers added with hydrophobic resins such as C8 and [....] » Read More
Title : Visible Reflectance, Raman and FTIR Spectroscopies in the Scope of Cultural Heritage: Non-Invasive and In-Situ Approaches
Vittoria Guglielmi, University of Milan, Italy
For many years now, artistic and archaeological research have been concerned with the contribution of scientific resources, especially with analytical techniques dealing with the chemical-physical characterisation of materials. In the same way as the artist applies themself accur [....] » Read More
Title : Breath and environmental relevant gas species detection based on quartz-enhanced photoacoustic spectroscopy
Marilena Giglio, Polytechnic University of Bari, Italy
In this work we report on three gas sensors based on quartz-enhanced photoacoustic spectroscopy (QEPAS) technique and developed for environmental monitoring or breath sensing purposes. Spectroscopy has a crucial role in the development of chemical gas species detection, with a [....] » Read More
Title : High pulsed power laser inducing phase change - chemical transformations. Coupled modeling and analytical chemistry techniques
Alexandru Cocean, Alexandru Ioan Cuza University of Iasi, Romania
High power laser interaction with matter is the tool key to both produce and analyse materials in a vast range from metals and oxides to complex polymers and biocomposites, from particulate matter (PM) in the atmosphere to thin films and bulk materials. The quality of the new mat [....] » Read More
Title : Oxygen reduction reaction catalyzed by wired bilirubin oxidase: fully enzymatic and self-calibrating pH biosensor
Eimantas Ramonas, Vilnius University, Lithuania
The oxygen reduction reaction (ORR) is important due to high electrochemical potential. Multicopper oxidases (e.g., bilirubin oxidase (BOx)) belong to a class of enzymes that catalyze ORR with low overpotential, and have attracted significant attention in designing bioelectronic [....] » Read More
Title : Development and validation of two robust simple chromatographic methods for estimation of tomatoes specific pesticides’ residues for safety monitoring prior to food processing line and evaluation of local samples
Amira M Hegazy, Beni-Suef University, Egypt
Plant infestation by pets is one of the worst effects of bacteria and fungi on human food. Plants as a primary food resource are critical for human muscle building and mental health. Many farmers worldwide misuse the pesticides’ mixtures to keep crops, fruits, and vegetable [....] » Read More
Title : Green Successive Spectrophotometric Resolution Technique for the Analyzing Ternary Medicine Recommended to be Used During COVID-19 Pandemic- Purity Study
Dina Abbas Ahmed Mostafa, Future University in Egypt, Egypt
This study presents a novel green spectrophotometric analytical approach for the analysis of ACE-Proxyvon® tablet dosage form recommended to be used in managing the aggressive symptoms of COVID-19 attack as well as dealing with the tiresome post vaccination symptoms. This stu [....] » Read More
Title : Molecularly imprinted polymers for isolation of quinic acid from coffee beans coupled with UHPLC-MS/MS detection
Nesrine Abdelrehim El Gohary Mohamed, German University, Egypt
In this study, molecularly imprinted polymers (MIPs) were prepared for extraction of quinic acid (QA) a potent antioxidant and a precursor for the synthesis of many important compounds such as nicotinamide from coffee bean extract. Three different functional monomers were teste [....] » Read More
Title : Serotonin electrochemical detection in tomatoes at MWCNT-AONP nanocomposite modified electrode
Omolola Esther Fayemi, North-West University, South Africa
This work reports on the successful synthesis of antimony oxide nanoparticles (AONPs) by hydrothermal method, acid treatment of multi-walled carbon nanotubes (f-MWCNTs), and fabrication of a MWCNT-AONP nanocomposite on screen-printed carbon electrodes (SPCE) to detect serotonin ( [....] » Read More
Title : Synthesis, characterization of a novel material Co-ZSM5 for Supercacitor
Ngouana Moafor Saureille, University of South Africa, Florida campus/University of Yaounde I, South Africa
Zeolite composites derived steam-assisted crystallization method as electrode materials for supercapacitor applications has not been extensively reported. Although Zeolites exhibit exceptional surface area, high porosity, and well-controlled structure, they present relatively low [....] » Read More
Title : Reagentless bioelectrocatalytic detection system for maltose and/or glucose, based on PQQ-glucose dehydrogenase immobilized onto modified reduced graphene oxide surfaces
Ieva Sakinyte, Vilnius University, Lithuania
Acute pancreatitis (AP) is an inflammatory injury, including edema, hemorrhage and necrosis in pancreas caused by tissue autodigestion in relation to various pathogens. Generally, AP is categorized into the mild AP (MAP), moderate severe AP (MSAP) and severe AP (SAP). One of the [....] » Read More
Title : L-Glutamate biosensor for in vitro investigations: Application in brain extracts
Julija Razumiene, Vilnius University, Lithuania
Abnormal transmission of glutamate can cause neurological diseases such as communication dysfunction, cognitive impairments, schizophrenia, Parkinson’s disease, stroke and epilepsy. L-glutamate is known as the most common excitatory neurotransmitter in the mammalian central [....] » Read More