Sixteen sequence-tagged sites (STSs) were combined in five amplification reactions, to screen for deletions of DNA fragments located within the AZFa, AZFb, and AZFc regions of the Y chromosome. This multiplex strategy is fast and reliable, and most of the azoospermia-associated deletions reported so far are detected with this simplified method. Internal control STSs are included that allow discrimination between deletion and failure of amplification.
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http://dx.doi.org/10.1089/109065702761403379 | DOI Listing |
Osteotomies around the knee have a variety of indications, including pain reduction, functional improvement, knee joint stabilization, and articular cartilage preservation. Thorough preoperative planning is essential, including a determination of the precise location of any deformity (proximal tibia, distal femur, or both). High tibial osteotomies and distal femoral osteotomies can be performed in isolation, or jointly in the form of a double-level osteotomy, for correction of coronal and/or sagittal deformity of the knee.
View Article and Find Full Text PDFSmall Methods
January 2025
College of Control Science and Engineering, State Key Laboratory of Industrial Control Technology, Zhejiang University, Hangzhou, Zhejiang Province, 310027, China.
The rapid, precise, and automated diagnosis of infectious diseases is crucial for effective disease management and control. Herein, the integrated portable and automatic digital detection system (IPADS), a novel diagnostic platform for nucleic acid detection is introduced. The device employs the hybrid magnetic system (HMS), which uses an electromagnet and a movable permanent magnet to modulate the magnetic field and control bead movement, increasing nucleic acid extraction efficiency to over 80%, while simplifying the traditional labor-intensive process and enabling quick, low-risk sample processing.
View Article and Find Full Text PDFGlob Chang Biol
January 2025
Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Prague, Czech Republic.
Climate change poses an unprecedented threat to forest ecosystems, necessitating innovative adaptation strategies. Traditional assisted migration approaches, while promising, face challenges related to environmental constraints, forestry practices, phytosanitary risks, economic barriers, and legal constraints. This has sparked debate within the scientific community, with some advocating for the broader implementation of assisted migration despite these limitations, while others emphasize the importance of local adaptation, which may not keep pace with the rapid rate of climate change.
View Article and Find Full Text PDFFront Glob Womens Health
December 2024
Department of Public Health, College of Health Sciences, Woldia University, Woldia, Ethiopia.
Background: Adverse birth outcomes are unfavorable outcomes of pregnancy that are particularly common in low- and middle-income countries. At least one ultrasound is recommended to predict adverse birth outcomes in early pregnancy. However, in low-income countries, imaging equipment and trained manpower are scarce.
View Article and Find Full Text PDFOptical density (OD) is an important indicator of microbial density, and a commonly used variable in growth curves to express the growth of microbial culture. However, OD values show a linear relationship with bacterial concentration only at low concentrations. When the cell density is high, the relationship loses linearity, and serial dilution is needed to obtain readings of better accuracy.
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