HLA typing and cutaneous testing for allergen sensitivity of 76 ragweed allergic patients confirmed previous findings of a significant association between sensitivity to ragweed allergen Ra5 and possession of one or other of the HLA-B7 cross-reacting group of antigens.
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Microscopic investigation of pollen attachment on different fabric types: Implications for forensic and allergy research.
Micron
December 2024
Graduate School of Natural and Applied Science, Biology Department, Bursa Uludağ University, Bursa, Turkey,; Arts and Sciences Faculty, Biology Department, Bursa Uludağ University, Bursa, Turkey. Electronic address:
Pollen grains, in addition to their allergenic properties, play an important role in the temporal and spatial analysis of forensic events and are considered secondary trace evidence. Pollen analysis requires expertise in microscopy techniques and palynology. This study aims to determine the persistence of pollen on common used fabric types and how much of it can be removed through washing.
View Article and Find Full Text PDFDevelopment of pH-sensitive chitosan/plant extract microcapsules: Enhanced corrosion protection for carbon steel in HCl solution.
Int J Biol Macromol
December 2024
School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China.
In recent years, controlled-release green corrosion inhibitors have become a research hotspot in the field of corrosion. In this study, chitosan/plant extract microcapsules (GCI@CS) loaded with Ambrosia artemisiifolia extract (green corrosion inhibitor, GCI) were prepared by emulsification cross-linking. Both the functional groups and micromorphology of GCI@CS were characterized using Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM) and optical microscopy (OM).
View Article and Find Full Text PDFFungi-sensitized individuals have unique profiles where Alt a 1 dominates promoting response to grass, ragweed and cat allergens.
Front Allergy
August 2024
Department of Allergology, SI Institute of Otolaryngology n.a. Prof.O.S. Kolomiychenko of NAMS of Ukraine, Kyiv, Ukraine.
Introduction: The aim of our work was to determine comprehensively the sensitization profile of patients hypersensitive to fungal allergenic components in the Ukrainian population, identifying features of their co-sensitization to allergens of other groups and establishing potential relationships between causative allergens and their ability to provoke this hypersensitivity.
Methods: A set of programs was developed using Python and R programming languages, implementing the K-means++ clustering method. Bayesian networks were constructed based on the created clusters, allowing for the assessment of the probabilistic interplay of allergen molecules in the sensitization process of patients.
[Prevalence of Allergen-Specific Immunoglobulin E in 57558 Patients in 2012-2022].
Sichuan Da Xue Xue Bao Yi Xue Ban
July 2024
（ 610041） Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, China.
Objective: The study aims to preliminarily investigate the prevalence characteristics of allergen-specific immunoglobulin E (IgE) in 57558 patients over the past decade by examining its distribution in the province and exploring its associations with age, sex, temperature, and relative humidity, providing insights for the prevention and diagnosis of allergic diseases in the Sichuan region.
Methods: A retrospective analysis was conducted on a cohort of 57558 patients who underwent allergen testing (by means of EUROIMMUN immunoblotting method) at West China Hospital, Sichuan University between August 2012 and February 2022. The clinical data of these patients were collected to establish a comprehensive database, while the temperature and humidity records of the corresponding timeframe were gathered for further analysis.
Theoretical and Experimental Analysis of Single-Arm Bimodal Plasmo-Photonic Refractive Index Sensors.
Sensors (Basel)
June 2024
Department of Informatics, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece.
In this paper, we study both theoretically and experimentally the sensitivity of bimodal interferometric sensors where interference occurs between two plasmonic modes with different properties propagating in the same physical waveguide. In contrast to the well-known Mach-Zehnder interferometric (MZI) sensor, we show for the first time that the sensitivity of the bimodal sensor is independent of the sensing area length. This is validated by applying the theory to an integrated plasmo-photonic bimodal sensor that comprises an aluminum (Al) plasmonic stripe waveguide co-integrated between two accessible SU-8 photonic waveguides.
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