Tag: "adhesive" at biology news

New application of imaging technique can change how scientists look at proteins

...said. "We're applying a similar approach to other adhesive proteins whose structure-function relationships have not been resolved," including fibrinogen, which plays an important role in blood clotting and whether the body accepts or rejects medical implants. Metastasis, or the spread of cancer, is another ...

Battling the barnacle

...nsile strength of 5,000 lbs per square inch and an adhesive strength that has been measured at 22 60 lbs per square inch. And thats just barnacles. Blue mussels know how to make 21 different kinds of adhesives. Attaching themselves to ship hulls, billions of crusty foulers cost the U.S. Navy over $50 mi...

New book distills essence of gene regulation (and more)

...n the theme of regulated recruitment. The roles of adhesive molecular surfaces, cooperativity, and allostery in regulated recruitment are all examined in Genes & Signals, as are the contributions of signal integration and combinatorial control to the generation of biological complexity. Throughout Genes & Sig...

Monitoring epithelial plasticity, one cell at a time

...A and protein expression, cellular morphology, and adhesive interactions that drive this dramatic shift in cellular phenotyp...

January media highlights: GEOLOGY and GSA TODAY

... of bacterial cells surrounded by a protective and adhesive organic matrix. In these fossil examples, the original cells are not preserved, but the calcified biofilm retains distinctive morphological features such as internal channel systems and delicate external columns and plumes that are characteristic of ...

A new strategy for treating psoriasis

... cultured T cells and that it blocks expression of adhesive surface molecules required for T cell homing. In engrafted mice, the inhibitor prevents psoriasis as efficiently as dexamethasone does. These different agents, which can each increase I-kB levels, presumably both silence NF-kB target genes in vivo. ...

Adhesive science can help optimize use of timber resources

...rces, we have to learn as much as we can about the adhesive bonding that allows the use of composite materials...xposed. They also focus on the durability of novel adhesive systems. "We want to know what impacts durability -- what molecular phenomena lead to enhanced durab...

Patch delivers longer, deeper relief from dental pain

COLUMBUS, Ohio - A small adhesive patch promises relief from den...ess of the DentiPatch, a small adhesive patch that contains the numbing agent lidocaine, to a topical anesthetic gel. Pa...

Wood adhesive is good, but could be better

...g the variabilities of polymeric isocyanate, a new adhesive that is favored because of its rapid cure, and sup...s and the cure chemistry with the aim of achieving adhesive performance on a par with the best regardless of the type of wood in the composite." The talk, "Woo...

MelTec GmbH characterizes protein networks involved in T-cell invasion

...istic cellular phenotypes were associated with the adhesive mechanism of the invading lymphocytes in sarcoid myopathy and polymyositis. The ability of MelTecs technology to map simultaneously large numbers of proteins in diverse types of cells should enable us to approach any invasion process, including inv...

Fluid forces within the body help invasive bacteria

...of fluids within the human body helps to break the adhesive bonds of invasive bacteria and counterbalance infection. Most scientists as well as lay people assume, for example, that a sneeze helps clear infection, or that urine helps to clear bacteria from the urinary tract. This may be true in some cases, bu...

Scientists prove how geckos stick, unlock secrets to making artificial gecko glue

...water molecules, and discovered that the gecko's adhesive depends on geometry, not surface chemistry. In oth...manufacturing the first biologically inspired dry, adhesive microstructures, which can have widespread applications." The project required an interdisciplinary ...

Mayo Clinic develops blood vessel cells from adult progenitor cells

...ted into smooth muscle cells. These cells also had adhesive properties potentially steering the cells to areas...ng to become smooth muscle cells, or eliminate the adhesive properties that cause them to home to the injury site. Furthermore, this study may enhance our effor...

Geneticists trace 'sticky' rice's origins

...at early domesticators of glutinous rice liked its adhesive quality and wanted to preserve that particular trait. Dr. Michael Purugganan, associate professor of genetics, and Dr. Kenneth Olsen, post-doctoral research associate in genetics, publish their findings in the Oct. 23 edition of Genetics. To learn m...

New nanoparticle coating mimics dolphin skin

...industry. Marine organisms secrete a type of gluey adhesive protein and, over time, cause physical damage by p... and other non-stick polymers) and other minimally adhesive surfaces. Wooley formulated the idea of mixing two normally incompatible polymers -- a hyperbranched...

Controlling cell adhesion: Researchers report first evidence of 'catch bonds'

... and shear forces. This allowed them to study how adhesive bonds form and dissociate under the rolling intera... shear stress, actually increased the lifetimes of adhesive bonds between the cell adhesion molecule P-selectin and its ligand PSGL-1," said Dr. Rodger McEver, ...

Watching social behaviour evolve

... as the production of quorum sensing compounds and adhesive polymers that allow the formation of biofilms. Eve...lved the ability to make enhanced quantities of an adhesive polymer matrix that cause their cells to literally stick together to a much greater degree than thei...

Nasal contribution to breathing with exercise: The effect of race and gender

...try). Bands were fixed to the subject's torso with adhesive tape and calibrated. Oral airflow was determined as the difference between total and nasal (nasal mask). Subjects maintained a 60- to 70-rpm pedal rate at each 10% increment of effort for 2 min. To calibrate volumes obtained from respiratory indu...

Restricting the gene pool

...on its surface. Since then, species-specific sperm adhesive proteins and egg receptors have been identified in other animals, including mammals, but the identity of the sea urchin egg bindin receptor has remained elusive. Until now. Drs. Kamei and Glabe have identified the species-specific sea urchin egg bind...

Worlds largest scientific society holds regional meeting in Atlanta

..., a building block chemical used for thermosetting adhesive resins which are used to bond plywood and other wood products. The waste gases are processed through a plant, which is similar in design to a conventional formaldehyde plant that utilizes commercial-grade methanol as a feed material. Marsha Ottem ...

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