A5052277984- Spectroscopy Techniques in Biomedical and Chemical Research
- Biosensors and Analytical Detection
- Photoacoustic and Ultrasonic Imaging
- Head and Neck Cancer Studies
- Oral Health Pathology and Treatment
- Advanced Chemical Sensor Technologies
- Salivary Gland Disorders and Functions
- Dental Research and COVID-19
- Alzheimer's disease research and treatments
- Supramolecular Self-Assembly in Materials
- Analytical Chemistry and Chromatography
- Spectroscopy and Chemometric Analyses
- Microfluidic and Bio-sensing Technologies
- Innovative Microfluidic and Catalytic Techniques Innovation
- Image Processing Techniques and Applications
- 3D Printing in Biomedical Research
- Lipid Membrane Structure and Behavior
- Advanced biosensing and bioanalysis techniques
- Environmental Monitoring and Data Management
- Metabolomics and Mass Spectrometry Studies
Universidade Federal do ABC
2021-2025
Electronic cigarettes (e-cigs), initially introduced as smoking cessation aids, have given rise to a new wave of nicotine dependence. A critical question that has emerged is the potential adverse effects e-cig use on oral health, particularly how vapor emitted from these devices may alter salivary composition users. Here, we investigate users and analyze e-liquids (flavorings) using Fourier-transform infrared (FTIR) spectroscopy. Saliva samples were categorized into two groups: e-cigarette...
Abstract Objectives Electronic nicotine delivery systems (e‐cigarette, pod, and vape) are currently among the tobacco consumption of adolescents young adults. The aim is to show oral mucosa saliva alterations related vape. Material Methods A vape‐user patient, presenting a white plaque in posterior region hard palate, underwent clinical examination, sialometry, pH evaluation, excisional biopsy lesion. Molecular changes vape liquid were analyzed by vibrational spectroscopy. Results...
Oral cancer, ranking sixth in global prevalence, is frequently diagnosed at an advanced stage, significantly impacting patient survival rates. The potential of liquid biopsy for cancer diagnosis offers a dynamic approach to tumor monitoring and disease surveillance. Objective(s): Our goal validate novel diagnostic using optical images dried microdroplets saliva samples. Subjects: 1 μl samples from healthy oral cavity squamous cell carcinoma patients were pippeted on glass platinum substrates...
This study aims to analyze saliva composition in crack users using vibrational spectroscopy. A total of 90 participants were meticulously selected and divided into three groups, each comprising 30 individuals. All met the criterion having no observable clinical changes oral mucosa. The groups included active with a minimum usage duration days, ex-crack users, non-crack users. Rigorous inclusion exclusion criteria applied during participant selection ensure study's precision. Saliva analysis...
Abstract The comprehension of some diseases at the cellular and tissue scale is fundamental for development effective treatments such conditions, in this regard, Raman micro‐spectoscopy, atomic force microscopy (AFM), tip‐enhanced scattering (TERS) are techniques that have featured prominently characterization biological materials like cells tissues, since they allow acquisition detailed physical, chemical, biophysical, physiological properties surface these kind samples as elasticity,...
Investigating the molecular mechanism underlying aggregation process of amyloid fibers is great importance both for its implications in several degenerative diseases and design new materials based on self-assembly. In particular, micro/nanotubes L,L-diphenylalanine have been investigated as a model plaques Alzheimer's disease also their broad range physical properties, e.g., good thermo- mechanical stability, semiconductivity, piezoelectricity optical properties. It has reported that...
This study centered on the construction of a low-cost microscope using smartphone camera, employed to diagnosing oral cancer dried saliva, that could correctly diagnose 77% samples conventional did.
This study focused on building a low-cost portable microscope using smartphone camera, which was applied to dry saliva-based oral cancer diagnostics, and could correctly diagnose 73% of the samples that conventional did.
This study centered on the construction of a low-cost microscope using smartphone camera, employed to diagnosing oral cancer dried saliva, that could correctly diagnose 73% samples conventional did.
The oral cancer is the 6th most incident type in world and prevalent among men than women. Usually screening procedures are performed only advanced stages which leads to an increase of mortality morbidity. Analyzing images from 20 patients we conclude that observed optical image (conventional microscope or smartphone) formed pattern enables discrimination few hours. It represents a non-invasive diagnostic method minimizes hospital medical procedures, hospitalizations patient discomfort.