Results 31 to 40 of about 4,739,898 (294)

Contrastive sentence representation learning with adaptive false negative cancellation [PDF]

Contrastive sentence representation learning has made great progress thanks to a range of text augmentation strategies and hard negative sampling techniques.
Lingling Xu, Fu Lee Wang, Xu, Lingling, Li, Qing, Weiming Wang, Tao, Xiaohui, Wang, Weiming, Xiaohui Tao, Xie, Haoran, Haoran Xie, Qing Li, Wang, Fu Lee   +11 more
core   +1 more source

Extensive transmission of Mycobacterium tuberculosis from 9 year old child with pulmonary tuberculosis and negative sputum smear [PDF]

, 2008
Patients with pulmonary tuberculosis and either a positive sputum smear or cavitating pulmonary lesions have been considered to be infectious1 as these indicate higher bacterial load accumulating with longer duration of infection. The source of infection
Howard, J., Chalkley, D, McEvoy, M., Paranjothy, S, Bracebridge, S, Paranjothy, S., Lack, K., Eisenhut, M, Abubakar, I, Chalkley, D., Thomas, S., McEvoy, M, Eisenhut, M., Lilley, M., Howard, J, Paranjothy, Shantini, Thomas, S, Lilley, M, Mulla, R, Abubakar, I., Bracebridge, S., Lack, K, Mulla, R.   +22 more
core   +1 more source

False Negative Mitigation in Group Testing for COVID-19 Screening

Frontiers in Medicine, 2021
After lifting the COVID-19 lockdown restrictions and opening businesses, screening is essential to prevent the spread of the virus. Group testing could be a promising candidate for screening to save time and resources.
Amir Reza Alizad-Rahvar, Safar Vafadar, Mehdi Totonchi, Mehdi Sadeghi   +3 more
doaj   +1 more source

Accounting for false positive detections in occupancy studies based on environmental DNA: A case study of a threatened freshwater fish (Galaxiella pusilla)

Environmental DNA, 2021
Environmental DNA (eDNA) sampling is a promising method for surveying aquatic fauna. Recent eDNA studies have investigated the likelihood of false negative errors in the laboratory and in the field, but the likelihood of false positives remains poorly ...
Reid Tingley, Rhys Coleman, Nathaniel Gecse, Anthony van Rooyen, Andrew R.Weeks   +4 more
doaj   +1 more source

Association between False Positive, False Negative, High-Background Cases and Humidity in One Lambda LABTypeTM HLA-DR Typing

Korean Journal of Clinical Laboratory Science, 2023
Human leukocyte antigen (HLA) typing was performed in the diagnostic immunology laboratory of the Seoul National University Hospital. Among 611 HLA-DR tests, specific bead reactions suspected of being false positive and false negative in Lot 20 reagents ...
Hyang Son AN, Minsung SOHN
doaj   +1 more source

Appraisal of cytohistomorphology of papillary carcinoma thyroid and its variants with evaluation of discrepant cases

Medical Journal of Dr. D.Y. Patil Vidyapeeth, 2022
Background: Papillary carcinoma thyroid is the most commonly occurring thyroid neoplasm which can be diagnosed by its characteristic cytological features by fine-needle aspiration procedure.
Supreetha Megalamane, Hemalatha Anatharamiah, C S B. R. Prasad   +2 more
doaj   +1 more source

Modelling stem cell differentiation related processes—A practical overview for biologists

FEBS Letters, EarlyView.
Stem cell differentiation is complex and difficult to control experimentally. This review introduces suitable computational modelling approaches that can support stem cell research, from mechanistic ODE and abstract models to multiscale and deep learning methods.
Ricco Zeegelaar, Xinqi Yan, Lucas F. Jansen Klomp, Stefano Schivo, Janine N. Post   +4 more
wiley   +1 more source

Excluding false negative error in certification of quantum channels

Scientific Reports, 2021
Certification of quantum channels is based on quantum hypothesis testing and involves also preparation of an input state and choosing the final measurement.
Aleksandra Krawiec, Łukasz Pawela, Zbigniew Puchała   +2 more
doaj   +1 more source

Design and analysis strategies for robust microbiome ageing research

FEBS Letters, EarlyView.
The gut microbiome changes with age and associates with age‐related morbidity and mortality, establishing it as a potential biomarker and intervention target for ageing. Realising this potential requires methodological rigour, yet distinguishing biological signals from methodological artefacts remains challenging across cohorts. This review provides an
Mark Olenik, İsmail Güderer, Yi Wang, Tayyaba Alvi, Prasoon Pandey, Handan Melike Dönertaş   +5 more
wiley   +1 more source

An epithelial GPR35 isoform supports tumor‐associated transcriptional and metabolic phenotypes

FEBS Letters, EarlyView.
GPR35 generates two functionally distinct isoforms with previously unresolved roles. GPR35‐short mediates immune‐cell chemotaxis, while GPR35‐long is enriched in colorectal cancer epithelium, where it supports increased metabolism, proliferation, and tumor‐associated transcriptional programs.
Jørgen D. Rønneberg, Martine Hjeltnes, Josephine Krieger, Joshua E. Elias, Maria Stensland, Kristian Holm, Xiaojun Jiang, Chuki Khangsar, Tuula A. Nyman, Arthur Kaser, Johannes R. Hov, Tom H. Karlsen, Nicole C. Kaneider, Frode L. Jahnsen, Georg Schneditz   +14 more
wiley   +1 more source