Download Adhesive Interactions of Mussel Foot Proteins by Jing Yu PDF

By Jing Yu

Water and moisture undermine robust adhesion to polar surfaces. Marine mussels, in spite of the fact that, in attaining sturdy underwater adhesion utilizing a set of proteins which are atypical in having excessive degrees of three, 4-dihydroxyphenylalanine (Dopa). Mussel adhesion has encouraged a variety of reports on constructing the subsequent new release of rainy adhesives. This thesis provides fresh development in knowing the fundamental floor and intermolecular interactions hired by way of mussels to accomplish robust and sturdy rainy adhesion. the outside forces equipment (SFA) and numerous different ideas have been utilized to degree the interactions among mussel foot protein-3 fast (Mfp-3 fast) and the version substrate, mica, in addition to the interactions among numerous mussel adhesive proteins. the consequences during this thesis express that Dopa performs an important position in mussel adhesion and that mussels delicately keep an eye on the interfacial redox atmosphere to accomplish robust and sturdy Dopa mediated adhesion. The interaction among Dopa and hydrophobic interactions can be obvious in mussel adhesion.

Show description

Read Online or Download Adhesive Interactions of Mussel Foot Proteins PDF

Best family & general practice books

Engineering Materials for Biomedical Applications

The good fortune of any implant or scientific machine relies greatly at the biomaterial used. man made fabrics (such as metals, polymers and composites) have made major contributions to many demonstrated scientific units. the purpose of this booklet is to supply a easy knowing at the engineering and processing elements of biomaterials utilized in clinical functions.

Emergency Echocardiography

Echocardiography is the main flexible cardiac imaging know-how available on the patient's bedside. Its very good diagnostic skill pertains to the capability to spot any hemodynamic situation and cardiac pathology that suggests a morphologic and/or a movement trend switch. as the machines themselves are small, transportable and strong and reporting might be speedy and revealing, echocardiography is an important a part of the diagnostic method whilst facing seriously unwell sufferers.

Microfluidic Techniques: Reviews And Protocols

Hands-on researchers assessment the rules at the back of profitable miniaturization and describe the major concepts for miniaturizing large-scale biochemical and bioanalytical equipment for microchip research. The authors conceal not just the preferred tools for the fabrication of microchips (photolithography, laser ablation, and gentle lithography), but in addition microfluidic strategies for such bioanalytical assays and bioprocesses as DNA research, PCR, immunoassays, and cellphone reactors.

Body Area Networks: Safety, Security, and Sustainability

Physique region networks (BANs) are networks of instant sensors and scientific units embedded in garments, worn on or implanted within the physique, and feature the capability to revolutionize healthcare through permitting pervasive healthcare. in spite of the fact that, because of their serious purposes affecting human health and wellbeing, demanding situations come up while designing them to make sure they're secure for the consumer, sustainable with no requiring common battery replacements and safe from interference and malicious assaults.

Extra resources for Adhesive Interactions of Mussel Foot Proteins

Sample text

Presumably mussels are adding something else to the plaque footprints to stabilize the redox of the adhesive proteins there. In order to determine whether Dopa oxidization is responsible for adhesion loss and the longer-range repulsion, the effect of oxidants and antioxidants on Mfp-3 adhesion was examined. An artificial oxidant, sodium periodate (NaIO4), was added into the gap of two films of Mfp-3 at pH 3 at which the autoxidation of Dopa is low. Each periodate stoichiometrically oxidizes a Dopa to Dopaquinone.

Californianus was investigated in two parts: first, solution conditions in the foot during plaque formation were determined, and second, using the surface forces apparatus (SFA), I measured the adhesive interactions between purified Mfps and mica at three pHs [15]. 2). Each adhesive plaque is injection molded by the mussel into a small dimple known as the distal depression located near the tip of the foot (Fig. 1b); the depression is placed like an inverted cup over a selected surface and a minute or so later, proteins are exuded from pores in the depression ceiling.

Given its reversibility, tautomerization is the more plausible explanation. Compliant protein chains pulled out normal to the mica surface during separation would be stiffened during the pH-induced oxidation and tautomerization steps, and the stiffened chains would begin resisting compression earlier during the next approach. Antioxidants would reduce quinones and related tautomers back to Dopa and restore chain flexibility. Fig. 3 Force-distance profiles of two Mfp-3-coated mica surfaces at different pH.

Download PDF sample

Rated 4.31 of 5 – based on 32 votes