Results 51 to 60 of about 84,117 (291)

Graphene oxide-Au nano particle coated quartz crystal microbalance biosensor for the real time analysis of carcinoembryonic antigen [PDF]

open access: yes, 2020
A label-free quartz crystal microbalance (QCM) biosensor was developed for the selective and real-time estimation of carcinoembryonic antigen (CEA) through the present study.
Fu, Chen   +5 more
core   +2 more sources

Allergic hyper-carcinoembryonic antigen syndrome: A syndrome summarized by case series

open access: yesSAGE Open Medical Case Reports
Allergic respiratory diseases can increase serum carcinoembryonic antigen levels. We report three cases experiencing allergic symptoms that proved refractory to inhaled corticosteroids but exhibited a positive response to long-term treatment with oral ...
Zhaolin Li   +19 more
doaj   +1 more source

Cloning of the Complete Gene for Carcinoembryonic Antigen [PDF]

open access: yes, 1990
Carcinoembryonic antigen (CEA) is a widely used tumor marker, especially in the surveillance of colonic cancer patients. Although CEA is also present in some normal tissues, it is apparently expressed at higher levels in tumorous tissues than in ...
Bona, Marion   +8 more
core  

Mechanisms of Intestinal Epithelial Barrier Dysfunction by Adherent-Invasive Escherichia coli. [PDF]

open access: yes, 2016
Pathobiont expansion, such as that of adherent-invasive Escherichia coli (AIEC), is an emerging factor associated with inflammatory bowel disease. The intestinal epithelial barrier is the first line of defense against these pathogens.
McCole, Declan F, Shawki, Ali
core   +1 more source

Clinical performance of LOCI™-based tumor marker assays for tumor markers CA 15-3, CA 125, CEA, CA 19-9 and AFP in gynecological cancers

open access: yesTumor Biology, 2017
Evidence is sparse regarding the clinical performance of luminescent oxygen channeling immunoassays–based tumor marker assays in gynecological cancer. Analyzing serum samples of 336 patients with Dimension™Vista1500, we investigated the diagnostic power ...
Ramona C Dolscheid-Pommerich   +6 more
doaj   +1 more source

Study Levels of Some Biochemical Parameters in Serum of Pancreatic Cancer Patients

open access: yesTikrit Journal of Pure Science, 2018
This study included an estimation for the levels of some biochemical parameters in the serum of those pancreatic cancer patients, by collecting (40) blood samples from patients their ages ranged (30-70) years compared with (55) blood samples of healthy ...
Layla A. Mustafa, Zena A. Mohammad
doaj   +1 more source

Kelvin Probe Force Microscopy in Bionanotechnology: Current Advances and Future Perspectives

open access: yesAdvanced Materials, EarlyView.
Kelvin probe force microscopy (KPFM) enables the nanoscale mapping of electrostatic surface potentials. While widely applied in materials science, its use in biological systems remains emerging. This review presents recent advances in KPFM applied to biological samples and provides a critical perspective on current limitations and future directions for
Ehsan Rahimi   +4 more
wiley   +1 more source

Lewis X antigen mediates adhesion of human breast carcinoma cells to activated endothelium. Possible involvement of the endothelial scavenger receptor C-Type lectin [PDF]

open access: yes, 2007
Lewis x (Lex, CD15), also known as SSEA-1 (stage specific embryonic antigen-1), is a trisaccharide with the structure Galβ(1–4)Fucα(1–3)GlcNAc, which is expressed on glycoconjugates in human polymorphonuclear granulocytes and various tumors such as colon
A Hittelet   +51 more
core   +1 more source

Evaluation of the Sensitivity and Specificity of Immunohistochemical Markers in the Differential Diagnosis of Effusion Cytology

open access: yesOman Medical Journal, 2013
Objective: To evaluate the sensitivity and specificity of Calretinin and Carcinoembryonic antigen as immunocytochemical markers in distinguishing mesothelial cells from metastatic adenocarcinoma cells in effusion cytology.Methods: This study included 50 ...
Zahraa Mohammed Yahya   +2 more
doaj   +1 more source

Exploring the Potential of Zero‐Dimensional Carbon Nanomaterials in Photoluminescent, Electrochemiluminescent and Electrochemical Sensors

open access: yesAdvanced Materials Interfaces, EarlyView.
Zero‐dimensional carbon nanomaterials are presented as multifunctional platforms linking structure, property, and sensing performance. Surface engineering and heteroatom doping modulate electron‐transfer and luminescent behavior, enabling electrochemical, photoluminescent, and electrochemiluminescent detection. Fundamental design principles, analytical
Gustavo Martins   +8 more
wiley   +1 more source

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