Results 121 to 130 of about 8,264 (228)

Intratumoral Microorganisms in Tumors: Current Understanding and Emerging Therapeutic Strategies

MedComm, Volume 7, Issue 5, May 2026.
Tumors are no longer viewed as sterile but dynamic ecosystems harboring low‐biomass intratumoral microbiota. These microbes, derived from gut, oral cavity, or circulation, shape tumorigenesis and therapy response via core mechanisms: immunomodulation (regulating T cells, macrophages), metabolic reprogramming (SCFAs, indoles, bile acids), chronic ...
Haoling Zhang, Zengkan Du, Ping Lu, Aimin Jiang, Yadong Guo, Yawei Liu, Zhijing Song, Bing Dai, Wangzheqi Zhang   +8 more
wiley   +1 more source

Preanalytical nonconformity management regarding primary tube mixing in Brazil [PDF]

Journal of Medical Biochemistry, 2017
Background: The multifaceted clinical laboratory process is divided in three essential phases: the preanalytical, analytical and postanalytical phase. Problems emerging from the preanalytical phase are responsible for more than 60% of laboratory errors ...
Lima-Oliveira Gabriel, Guidi Gian Cesare, Pacifici Guimaraes Andre Valpassos, Abol Correa Jose, Lippi Giuseppe   +4 more
doaj  

Analysis of Quality Indicators of Preanalytical and Analytical Phases in Cervical Pap Smear Cytology: A Cross-sectional Study [PDF]

Journal of Clinical and Diagnostic Research
Introduction: The Pap smear is a procedure used to collect cells from the cervix to screen for cancerous and dysplastic precancerous cells under a microscope.
Gracy Jeba Rani, S Sowmya, ES Keerthika Sri   +2 more
doaj   +1 more source

First things first: a step in the right direction for the preanalytical phase of thiamine measurements. [PDF]

Am J Clin Nutr, 2021
Pfeiffer CM, Fazili Z, Mineva EM, Ngac PK.   +3 more
europepmc   +1 more source

Preanalytical phase in pleural fluid analysis

Journal of Laboratory and Precision Medicine, 2021
Lara Milevoj Kopcinovic, Jelena Culej
openaire   +1 more source

Preanalytical Error Sources: Pediatric Laboratory Experience

İstanbul Medical Journal, 2017
Objective: Accurate laboratory results are important in disease detection, classification, treatment, and follow-up. In this study, we aimed to evaluate records within a year for samples rejected in a biochemistry laboratory.Methods: Data of rejected ...
Esra Fırat Oğuz, Fatma Karaca Kara, Murat Kızılgün   +2 more
doaj   +1 more source

Hemolysis detection and management of hemolyzed specimens [PDF]

, 2010
Assay interferences have long been underestimated and unfortunately too often undetected in the daily clinical laboratory practice. The extra-analytical phase of the laboratory testing process has been recognized as the major source of laboratory errors ...
Ana-Maria Simundic, Elizabeta Topic, Giuseppe Lippi, Nora Nikolac   +3 more
core   +1 more source

What’s new about sample quality in routine coagulation testing? [PDF]

, 2015
Today, laboratories are very much different than they were decades ago. They have improved instruments to work with, multiple off-site collection points, more competent personnel, a greater analyte panel and quality requirements for those analytes ...
Freitas, Francisco
core  

Verkko-oppimateriaali laskimoverinäytteenottoon [PDF]

, 2017
Tämä opinnäytetyö on toteutettu yhteistyössä Oulun ammattikorkeakoulun kanssa. Opinnäytetyön tarkoituksena oli kehittää verkko-oppimateriaali, jota voitaisiin hyödyntää niin bioanalyytikkojen kuin muidenkin koulutusohjelmien opiskelijoiden näytteenoton ...
Puputti, Krista, Puranen, Sanna
core  

Effect of training on improvement in the preanalytical errors in venous blood sampling at a tertiary care center

MRIMS Journal of Health Sciences
Background Preanalytical phase of laboratory testing is defined as that which includes clinician’s request for examination, patient preparation, sample collection, and transportation of specimen to the laboratory.
Sayema Sadiq Subhan, R. D. Malathi, Mohd Iqbal Ahmed   +2 more
doaj   +1 more source