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Nanomaterials Feb 21, 2019

New paper provides design principles for disease-sensing nanomaterials

Scientists have long sought to develop drug therapies that can more precisely diagnose, target and effectively treat life-threatening illness such as cancer, cardiovascular and autoimmune diseases. One promising approach ...

Cell & Microbiology Feb 15, 2019

In zebrafish eggs, most rapidly growing cell inhibits neighbors through mechanical signals

"The winner takes it all, the loser standing small"—that's not just true in the famous ABBA song, but also in animal development. Frequently, a group of cells starts out all being the same. But then one cell puts the brake ...

Materials Science Feb 7, 2019

Bioplotting bone-mimetic 3-D tissue scaffolds with osteogenic effects

In bone tissue engineering (BTE), 3-D printing is a reliable and customizable method used to repair bone defects by producing biomimetic tissue scaffolds. In a recent study published online on Tissue Engineering Part A (Mary ...

Analytical Chemistry Jan 17, 2019

3-D culturing hepatocytes on a liver-on-a-chip device

Liver-on-a-chip cell culture devices are attractive biomimetic models in drug discovery, toxicology and tissue engineering research. To maintain specific liver cell functions on a chip in the lab, adequate cell types and ...

Cell & Microbiology Jan 16, 2019

Velcro for human cells

The ability of cells to adhere to each other and to their environment is the basis for multicellular life. Adhesion occurs via diverse receptors at the surface of cells that bind to specific ligands in their surroundings. ...

Cell & Microbiology Jan 14, 2019

A new mechanism helps explain differences between eukaryotic and bacterial proteomes

Why do distinct species have different proteins? Is there a key that allows eukaryotic cells to produce proteins involved in multicellularity that are mostly absent in prokaryotes? These are some of the questions addressed ...

Biotechnology Dec 13, 2018

Protein involved in nematode stress response identified

When humans experience stress, their inner turmoil may not be apparent to an outside observer. But many animals deal with stressful circumstances—overcrowded conditions, not enough food—by completely remodeling their bodies. ...

Materials Science Dec 13, 2018

Enhanced osteogenic activity of pre-osteoblasts on surface-modified 3-D printed scaffolds

Materials such as poly(ε-caprolactone) are used as scaffolds in bone tissue engineering, but their inherent hydrophobicity and surface smoothness can impair cell attachment, proliferation and differentiation in the lab, or ...

Bio & Medicine Nov 12, 2018

Developing a 3-D collagen model to test magnetic-assisted osteogenesis in vitro

The cellular and molecular mechanisms of magnetic stimulation-based bone regeneration require further understanding at present. To evaluate the phenomenon in the lab, a three-dimensional (3-D) native collagen model was recently ...

Cell & Microbiology Oct 26, 2018

Importance of growth factor diffusion in sensory organ development

A multi-disciplinary team consisting of NUS biophysicists along with scientists from New York University and National Institutes of Health have discovered that the protein Anosmin1 controls the diffusion of fibroblast growth ...

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