Results 61 to 70 of about 260,973 (300)

Immunoassay of Pesticides

Journal of AOAC INTERNATIONAL, 1991
Abstract Determination of the presence and levels of pesticide residues In food Is fundamental In monitoring and regulatory programs. Residues are separated from the food matrix by solvent extraction, followed by cleanup steps. The residues are most often Identified and quantltated by instrumental analysis, usually liquid or gas ...
B M, Kaufman, M, Clower
openaire   +2 more sources

Development of a multiplex flow cytometric microsphere immunoassay for mycotoxins and evaluation of its application in feed [PDF]

, 2011
A multi-mycotoxin immunoassay—using the MultiAnalyte Profiling (xMAP) technology—is developed and evaluated. This technology combines a unique color-coded microsphere suspension array, with a dedicated flow cytometer.
Ploum, M.E., Haasnoot, W., Rijk, T.C., de, Peters, J.   +3 more
core   +1 more source

Immunoassay-Compatible Inactivation of SARS-CoV‑2 in Plasma Samples for Enhanced Handling Safety

, 2022
Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) inactivation is an important step toward enhanced biosafety in testing facilities and affords a reduction in the biocontainment level necessary for handling virus-positive biological specimens.
Angeline Eng Siew Lim (13047176), Samantha Shi Min Ling (13047167), Bintou Ahmadou Ahidjo (13047164), Felic Fanusi (10961876), Shera Lilyanna (13047170), Justin Jang Hann Chu (7310267), Oi Wah Liew (2060266), Shir Lynn Lim (10163843), Arthur Mark Richards (11893376), Sindhu Ravindran (619072), Jessica Yan Xia Ng (13047161), Jenny Pek Ching Chong (13047173), Wei Zheng Lim (13047179)   +12 more
core   +1 more source

Stage‐Dependent β‐Synuclein Links MRI and Cognitive Decline in Alzheimer's Disease

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Synaptic degeneration drives cognitive decline in Alzheimer's disease (AD), but synaptic biomarkers are scarce. Brain‐enriched β‐synuclein emerged as a synaptic damage marker. We investigated its diagnostic, prognostic, and structural correlates across the AD continuum.
Ulaş Ay, Merve Alaylioglu, Erdi Sahin, Sanem Sultan Yoruk Oner, Gulce Iskan, Gulce Cosku Yilmaz Cakan, Gozde Kizilates‐Evin, Emre Hari, Elif Kurt, Erdinc Dursun, Basar Bilgic, Hasmet Hanagasi, Hakan Gurvit, Tamer Demiralp, Duygu Gezen‐Ak, Bedia Samanci   +15 more
wiley   +1 more source

Antibody based methods for environmental and food analysis: a review

Veterinární Medicína, 2005
Antibodies have widely been used as analytical tools in various assays and techniques developed for clinical chemistry and endocrinology and for food and environmental research and risk control.
M. Franek, K. Hruska
doaj   +1 more source

Free serum cortisol: quantification applying equilibrium dialysis or ultrafiltration and an automated immunoassay system [PDF]

, 2007
Background: Quantification of bioactive, free serum cortisol concentrations can characterize adrenocortical function more appropriately compared to total serum cortisol measurement.
Michael Vogeser, Josef Briegel, Patrick Möhnle, Briegel, Josef, Möhnle, Patrick, Vogeser, Michael   +5 more
core   +2 more sources

Troponin T and Neurofilament Light Chain Levels as Complementary Biomarkers of Disease Accumulation and Aggressiveness in Amyotrophic Lateral Sclerosis

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Amyotrophic lateral sclerosis (ALS) is a clinically heterogeneous neurodegenerative disease requiring reliable biomarkers to improve patient stratification and trial design. While serum neurofilament light chain (sNfL) reflects neuroaxonal stress and disease aggressiveness, troponin T (TnT) may capture complementary aspects of ...
Julia Sellin, Sofia Waldorf, Janina von der Gablentz, Torsten Grehl, Huelya Nazlican, Thomas Meyer, Julian Grosskreutz, Patrick Weydt, Sarah Bernsen   +8 more
wiley   +1 more source

The Promise of Aggregation-Induced Emission Luminogens for Detecting COVID-19

Frontiers in Immunology, 2021
The long-term pandemic of coronavirus disease 2019 (COVID-19) requires sensitive and accurate diagnostic assays to detect severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) virus and SARS-CoV-2 antibodies in infected individuals. Currently, RNA
Zongwei Liu, Ting Meng, Xiaofang Tang, Ran Tian, Weijiang Guan   +4 more
doaj   +1 more source

Preparation of Stable Gold Colloids for Sensitivity Enhancement of Progesterone Immunoassay using Surface Plasmon Resonance [PDF]

, 2007
The purpose of this study was to prepare concentrated and stable gold colloids for the enhancement of the signal response of the SPR technique for detecting small molecules such as progesterone.
Wu, Kevin Su-Wei
core  

Evaluation of Dried Plasma Spot‐Based Quantification of Glial Fibrillary Acidic Protein as a Disease‐Associated Biomarker in Neuromyelitis Optica Spectrum Disorder

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To evaluate the diagnostic accuracy of glial fibrillary acidic protein (GFAP) measured in dried plasma spots versus conventional plasma‐ and serum‐GFAP testing for assessment of disease severity in aquaporin‐4 immunoglobulin G–positive neuromyelitis optica spectrum disorder (AQP4‐IgG+ NMOSD).
Felix Wohlrab, Evelyn Alvarez, Roua Hamdi, Bingqing Zhang, Hayeun Ji, Niyati Jhaveri, Patrick Schindler, Pedro Sanchez, Pia S. Sperber, Tanja Schmitz‐Hübsch, Frederike C. Oertel, Nisa Vorasoot, Najib Kissani, Falko Böhringer, Jens Kuhle, Anne‐Katrin Pröbstel, Xiao‐Jun Ma, Péter Körtvelyessy, Patrick Waters, Friedemann Paul   +19 more
wiley   +1 more source