Results 21 to 30 of about 203,057 (268)

Recent Developments in the Field of Optical Immunosensors Focusing on a Label-Free, White Light Reflectance Spectroscopy-Based Immunosensing Platform

Sensors, 2022
Optical immunosensors represent a research field of continuously increasing interest due to their unique features, which can mainly be attributed to the high-affinity and specific antibodies they use as biorecognition elements, combined with the ...
Chrysoula-Evangelia Karachaliou, Georgios Koukouvinos, Dimitrios Goustouridis, Ioannis Raptis, Sotirios Kakabakos, Evangelia Livaniou, Panagiota Petrou   +6 more
doaj   +1 more source

Hyperphosphatemia with elevated serum PTH and FGF23, reduced 1,25(OH)2D and normal FGF7 concentrations characterize patients with CKD

BMC Nephrology, 2021
Background Hyperphosphatemia confers adverse cardiovascular outcomes, and commonly occurs in late-stage CKD. Fibroblast growth factor 7 (FGF7) is a phosphaturic peptide which decreases renal phosphate transport in vitro and in vivo.
Kittrawee Kritmetapak, Louis Losbanos, Taylor E. Berent, Susan L. Ashrafzadeh-Kian, Alicia Algeciras-Schimnich, Jolaine M. Hines, Ravinder J. Singh, Rajiv Kumar   +7 more
doaj   +1 more source

A simple, fast and inexpensive method for mutation scanning of CFTR gene

BMC Medical Genetics, 2017
Background Mutation scanning methods in Cystic Fibrosis Transmembrane Conductance Regulator (CFTR) gene may not distinguish between a Cystic Fibrosis (CF) causing mutation and a benign variant.
Juan Emilio Figueredo Lago, Anny Armas Cayarga, Yaimé Josefina González González, Teresa Collazo Mesa   +3 more
doaj   +1 more source

Cortisol Immunosensors: A Literature Review

Biosensors, 2023
Cortisol is a steroid hormone that is involved in a broad range of physiological processes in human/animal organisms. Cortisol levels in biological samples are a valuable biomarker, e.g., of stress and stress-related diseases; thus, cortisol ...
Chrysoula-Evangelia Karachaliou, Georgios Koukouvinos, Dimitrios Goustouridis, Ioannis Raptis, Sotirios Kakabakos, Panagiota Petrou, Evangelia Livaniou   +6 more
doaj   +1 more source

SUMA Technology and Newborn Screening Tests for Inherited Metabolic Diseases in Cuba

Journal of Inborn Errors of Metabolism and Screening, 2016
The ultramicroanalytic system (SUMA), created in the 1980s, is a complete system of reagents and instrumentation to perform ultramicroassays combining the sensitivity of the micro-enzyme-linked immunosorbent assay (ELISA) tests with the use of ...
Ernesto Carlos González Reyes PhD, Elisa M. Castells MSc, Amarilys Frómeta MSc, Ana Luisa Arteaga MD, Lesley Del Río MSc, Yileidis Tejeda MSc, Pedro L. Pérez LT, Mary Triny Segura BSc, Pedro Almenares MSc, Yenitse Perea MSc, Niurka M. Carlos MSc, René Robaina MD, PhD, José L. Fernández-Yero MD, PhD   +12 more
doaj   +1 more source

Validation of a fully automated chemiluminescent immunoassay for cattle serum and plasma progesterone measurement

Frontiers in Veterinary Science, 2023
IntroductionMonitoring circulating progesterone concentration ([P4]) is an important component of basic and applied reproduction research and clinical settings.
Ameer A. Megahed, Ameer A. Megahed, Kristi L. Jones, Rafael S. Bisinotto, Ricardo C. Chebel, Klibs N. Galvão, Ann M. Chan, João H. J. Bittar   +7 more
doaj   +1 more source

Biomarkers of Ovarian Reserve

Biomarker Insights, 2008
The primary function of the female ovary is the production of a mature and viable oocyte capable of fertilization and subsequent embryo development and implantation.
William E. Roudebush Ph.D., Wendy J. Kivens, Jessica M. Mattke   +2 more
doaj   +1 more source

A Portable Microfluidic System for Point-of-Care Detection of Multiple Protein Biomarkers

Micromachines, 2021
Protein biomarkers are indicators of many diseases and are commonly used for disease diagnosis and prognosis prediction in the clinic. The urgent need for point-of-care (POC) detection of protein biomarkers has promoted the development of automated and ...
Nan Li, Minjie Shen, Youchun Xu
doaj   +1 more source

Smart Diagnostics: Combining Artificial Intelligence and In Vitro Diagnostics

Sensors, 2022
We are beginning a new era of Smart Diagnostics—integrated biosensors powered by recent innovations in embedded electronics, cloud computing, and artificial intelligence (AI).
Michael P. McRae, Kritika S. Rajsri, Timothy M. Alcorn, John T. McDevitt   +3 more
doaj   +1 more source

Production of AFB1 High-Specificity Monoclonal Antibody by Three-Stage Screening Combined with the De-Homologation of Antibodies and the Development of High-Throughput icELISA

Toxins, 2023
To achieve accurate detection of AFB1 toxin content in agricultural products and avoid false-positive rates in the assays, the specificity of mAbs is critical. We improved the specificity of the prepared monoclonal antibodies by modifying the traditional
Chengchen Pang, Qiang Liu, Lin Chen, Bei Yuan, Chuanyun Zha, Kunying Nie, Haitao Xu, Keyun Ren, Chunlei Yu, Yemin Guo, Qingqing Yang   +10 more
doaj   +1 more source