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We have developed a direct immunofluorescence technique utilising chelates of the lanthanide ions europium and terbium conjugated to monoclonal IgGs (Mabs) against prostate-specific antigen (PSA) and alpha-1- antichymotrypsin (ACT) for the detection and quantification on the same tissue section. Strong signals without disturbance from tissue autofluorescence were demonstrated in paraffin sections

Seventy-nine monoclonal antibodies submitted to the ISOBM TD-3 PSA Workshop were tested for their reactivity with recombinant human kallikrein-2 (rhK2). A sandwich immunofluorometric assay using polyclonal antiprostate- specific antigen (PSA) antiserum-coated plates was used to capture rhK2 and subsequently the test antibody. The response of each test antibody was compared with 3 reference antibod

The concept of measuring the proportions of various forms of PSA in serum, particularly the proportion of free to total PSA, represents a new and exciting method of detecting early curable prostate cancers and avoiding unnecessary prostate biopsies in men who have BPH only. Compared with other methods of improving diagnostic specificity, it does not require transrectal ultrasound for determination

Objectives. Nearly half of men with clinically localized prostate cancer are understaged. We evaluated whether knowledge of preoperative free prostate-specific antigen (f-PSA), complexed (c-PSA), and total (t-PSA) concentrations or the ratios thereof (f-PSA/t-PSA, c-PSA/t PSA, and f PSA/c- PSA) could improve upon the staging of prostate cancer when compared with standard PSA testing (t-PSA). In ad

At ejaculation, the epididymal spermatozoa mix with the secretions produced by the seminal vesicles and the prostate. The glandular secretions immediately turns into a gel-like structure which entraps the spermatozoa. The ejaculated spermatozoa become progressively motile as the gel dissolves. The discovery, structure, and interactions of proteins involved in these post-ejaculatory phase reactions

Stringent factors orchestrate bacterial cell reprogramming through increasing the level of the alarmones (p)ppGpp. In Beta- and Gammaproteobacteria, SpoT hydrolyzes (p)ppGpp to counteract the synthetase activity of RelA. However, structural information about how SpoT controls the levels of (p)ppGpp is missing. Here we present the crystal structure of the hydrolase-only SpoT from Acinetobacter baum

Soil bulk density (BD) is a parameter dependent on soil texture, compositions of soil minerals and organic matter and the extent of soil compaction. Seasonal freeze/thaw in arid areas with shallow groundwater tables (AASGT) may significantly change BD and hence soil hydrothermal properties and water holding capacity. Therefore, quantifying soil bulk density changes (BDC) under freeze/thaw conditio

The strive to create sustainable societies is often addressed through the lens of social, economic-, or environmental sustainability. However, this division fails to acknowledge existential dimensions of sustainability, i.e., the fundamental concern to sustain a good and meaningful life. This paper expands the notion of Existential Sustainability in relation to socio-material dimensions and built The strive to create sustainable societies is often addressed through the lens of social, economic-, or environmental sustainability. However, this division fails to acknowledge existential dimensions of sustainability, i.e., the fundamental concern to sustain a good and meaningful life. This paper expands the notion of Existential Sustainability in relation to socio-material dimensions and built

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