Researchers have worked to uncover the mysteries surrounding a specific receptor protein associated with hearing. Professor Yunje Cho's research team from the Department of Life Sciences at Pohang University of Science and ...
Cell & Microbiology
8 hours ago
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1
Photosynthesis is a complex process, involving many pathways and puzzle pieces working together to keep the organism alive.
Plants & Animals
Apr 11, 2024
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6
Voids, or empty spaces, exist within matter at all scales, from the astronomical to the microscopic. In a new study, researchers used high-powered microscopy and mathematical theory to unveil nanoscale voids in three dimensions. ...
Nanomaterials
Apr 11, 2024
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583
Currently, membrane materials play an important role in tissue repair, especially polysaccharide-based membranes, attracting much attention due to their excellent biological properties. However, poor mechanical properties ...
Biochemistry
Apr 10, 2024
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1
Since the 1970s, modern antibiotic discovery has been experiencing a lull. Now the World Health Organization has declared the antimicrobial resistance crisis as one of the top 10 global public health threats.
Cell & Microbiology
Apr 8, 2024
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48
Mitochondria, organelles with an inner and outer membrane, are responsible for creating the energy that cells use to survive, and their morphology is key to accomplishing this task. The inner mitochondrial membrane contains ...
Molecular & Computational biology
Apr 8, 2024
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72
Lysosomes are surrounded by a lipid bilayer that separates the acidic environment and the digestive enzymes of the organelle from the cytoplasm. Damage to this layer—lysosomal membrane permeabilization, or LMP for short—can ...
Cell & Microbiology
Apr 8, 2024
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17
Imagine switching on a light and being able to understand and control the inner dynamics of a cell. This is what the Dimova group has achieved: by shining lights of different colors on replicates of cells, they altered the ...
Cell & Microbiology
Apr 8, 2024
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11
Researchers from The Australian National University (ANU) have made a discovery about a little understood protein in the human body that could help treat diseases that cause seizures, including epilepsy. The study is published ...
Cell & Microbiology
Apr 4, 2024
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3
A new development in biomedical research could open the door to a variety of new applications: Scientists at the University of Bayreuth have found that certain polymers, called polyanions, can penetrate cells in a unique ...
Biochemistry
Apr 3, 2024
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50
A membrane is a layer of material which serves as a selective barrier between two phases and remains impermeable to specific particles, molecules, or substances when exposed to the action of a driving force. Some components are allowed passage by the membrane into a permeate stream, whereas others are retained by it and accumulate in the retentate stream.
Membranes can be of various thickness, with homogeneous or heterogeneous structure. Membrane can also be classified according to their pore diameter. According to IUPAC, there are three different types of pore size classifications: microporous (dp < 2nm), mesoporous (2nm < dp < 50nm) and macroporous (dp > 50nm). Membranes can be neutral or charged, and particles transport can be active or passive. The latter can be facilitated by pressure, concentration, chemical or electrical gradients of the membrane process. Membranes can be generally classified into three groups: inorganic, polymeric or biological membranes. These three types of membranes differ significantly in their structure and functionality.
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