Mouse islets are widely used in diabetes research. Thus an adequate quality, quantity, and purity of islets are needed for high-quality investigations. We performed a combination of filtration and density gradient separation and optimized many steps in the islet isolation procedure, including perfusion, digestion, and purification. Our results show that an increased quality, quantity, and purity of isolated islets can be achieved using these modifications. Moreover, this method can guarantee maximal recovery and purity of the isolated islets and is easy to perform with practice.
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http://dx.doi.org/10.1139/bcb-2016-0204 | DOI Listing |
Nat Cancer
January 2025
Dept. of Neuropathology, University Hospital Heidelberg, Heidelberg, Germany.
The diagnostic landscape of brain tumors integrates comprehensive molecular markers alongside traditional histopathological evaluation. DNA methylation and next-generation sequencing (NGS) have become a cornerstone in central nervous system (CNS) tumor classification. A limiting requirement for NGS and methylation profiling is sufficient DNA quality and quantity, which restrict its feasibility.
View Article and Find Full Text PDFInt J Biol Macromol
January 2025
Department of Chemical Engineering, Institute of Polymer Research, Waterloo Institute of Nanotechnology, University of Waterloo, Waterloo, Ontario, Canada. Electronic address:
This study investigated the production and application of lignocellulosic wood vinegar and tar as organic pesticides to combat bacterial canker disease in trees, caused by pathogenic bacteria. Lignocellulosic wood vinegar and tar were produced from various lignocellulosic wastes through pyrolysis at different temperatures, with sawdust at 300 °C, 350 °C, and 400 °C yielding the highest quantity and quality of vinegar. Chemical analysis revealed that the lignocellulosic vinegar contained significant concentrations of acetic acid, methanol, and phenolic compounds, all known for their strong antimicrobial properties.
View Article and Find Full Text PDFSci Total Environ
January 2025
China Center for Energy Economics Research, School of Economics, Xiamen University, Fujian, Xiamen 361005, China. Electronic address:
Numerous beneficial products and services are offered by forest ecosystem. However, studies on the efficiency transformation perspective of forest ecological value are relatively few. This study accounts for material supply, ecological service, and cultural value when calculating the gross forest ecological economic product (GFEEP).
View Article and Find Full Text PDFAnim Reprod Sci
January 2025
Department of Gamete and Embryo Biology, Institute of Animal Reproduction and Food Research, Polish Academy of Science, Olsztyn, Poland.
The quality and quantity of stripped and testicular wild northern pike (Esox lucius) sperm was compared and the effectiveness of short-term storage was assessed. Stripped sperm (SS) was collected using abdominal massage. Next, the fish were decapitated and the testes were removed.
View Article and Find Full Text PDFPhys Rev Lett
December 2024
Deutsches Elektronen-Synchrotron DESY, Notkestrasse 85, 22607 Hamburg, Germany.
Linear colliders rely on high-quality flat beams to achieve the desired event rate while avoiding potentially deleterious beamstrahlung effects. Here, we show that flat beams in plasma accelerators can be subject to quality degradation due to emittance mixing. This effect occurs when the beam particles' betatron oscillations in a nonlinearly coupled wakefield become resonant in the horizontal and vertical planes.
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