Results 21 to 30 of about 537,576 (336)

Application of COMPOCHIP Microarray to Investigate the Bacterial Communities of Different Composts [PDF]

open access: yes, 2009
A microarray spotted with 369 different 16S rRNA gene probes specific to microorganisms involved in the degradation process of organic waste during composting was developed. The microarray was tested with pure cultures, and of the 30,258 individual probe-
A Alfreider   +54 more
core   +1 more source

An ELISA protocol to improve the accuracy and reliability of serological antibody assays

open access: yesMethodsX, 2017
To assay serum antibodies by indirect ELISA, it is critical to eliminate a variety of false positive and negative reactions attributed to the principle.
Takaki Waritani   +3 more
doaj   +1 more source

Weight of evidence approach using a TK gene mutation assay with human TK6 cells for follow-up of positive results in Ames tests: a collaborative study by MMS/JEMS

open access: yesGenes and Environment, 2021
Background Conflicting results between bacterial mutagenicity tests (the Ames test) and mammalian carcinogenicity tests might be due to species differences in metabolism, genome structure, and DNA repair systems. Mutagenicity assays using human cells are
Manabu Yasui   +29 more
doaj   +1 more source

Comparative scores of ABO and Rh hemagglutination reactions

open access: yesMedical Journal of Dr. D.Y. Patil Vidyapeeth, 2022
Background: Blood group determination is done by the slide test and tube test. Grading/scoring of hemagglutination reactions is performed through the naked eye and microscopy to detect spurious (false positive and negative) reactions.
Prashant Devidas Khuje   +2 more
doaj   +1 more source

Delayed positivity of serological reactions in secondary syphilis against the background of severe HIV-induced immunosuppression [PDF]

open access: yesVestnik Dermatologii i Venerologii, 2023
In recent decades, there has been an increase in syphilis associated with HIV infection cases, especially among men who have sex with men. The global prevalence of syphilitic infection among people living with HIV exceeds population rates.
Sergey V. Prozherin   +1 more
doaj   +1 more source

In vitro diagnostics of coronavirus disease 2019: Technologies and application

open access: yesJournal of Microbiology, Immunology and Infection, 2021
Laboratory-based diagnostic measures including virological and serological tests are essential for detecting severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).
Chih-Cheng Lai   +3 more
doaj   +1 more source

Evaluation of the New Lateral Flow Card MDmulticard® Basic Extended Phenotype in Routine Clinical Practice [PDF]

open access: yes, 2018
Background: Transfusion emergencies and critical situations require specifically designed devices to simplify and optimize the standard procedures. In addition, matching antigens over and above ABO-Rh-K would be beneficial. Methods: Routine blood samples
Candela-García, María-José   +5 more
core   +1 more source

Multiplex quantitative PCR for single-reaction genetically modified (GM) plant detection and identification of false-positive GM plants linked to Cauliflower mosaic virus (CaMV) infection. [PDF]

open access: yes, 2019
BACKGROUND:Most genetically modified (GM) plants contain a promoter, P35S, from the plant virus, Cauliflower mosaic virus (CaMV), and many have a terminator, TNOS, derived from the bacterium, Agrobacterium tumefaciens. Assays designed to detect GM plants
A Bak   +35 more
core   +1 more source

Debates on the Use of Deception in Psychology Research

open access: yesPsikoloji Çalışmaları, 2023
Deception is often used in scientific research as it is thought to contribute to the research process. Deception basically occurs when participants are given false or incomplete information about the purpose, content, or processes of a study.
Ayşe Tuna
doaj   +1 more source

Problems Encountered with Nested PCR to Diagnosis of Phytoplasmas

open access: yesMajallah-i ḥifāẓat-i giyāhān, 2016
Introduction: Phytoplasmas are phytopathogenic bacteria without cell walls that can be found in plant phloem, have been found associated with numerous diseases of plants worldwide.
C. Moslemkhani   +2 more
doaj   +1 more source

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