نتایج جستجو برای: inverse biomimetic

تعداد نتایج: 98349  

Journal: :Bioinspiration & biomimetics 2017
M Drack M Limpinsel G de Bruyn J H Nebelsick O Betz

Many successful examples of biomimetic products are available, and most research efforts in this emerging field are directed towards the development of specific applications. The theoretical and conceptual underpinnings of the knowledge transfer between biologists, engineers and architects are, however, poorly investigated. The present article addresses this gap. We use a 'technomorphic' approa...

2015
Zhining Wang Xida Wang Wande Ding Miaoqi Wang Xin Qi Congjie Gao

Aquaporin (AQP) based biomimetic membranes have attracted considerable attention for their potential water purification applications. In this paper, AQP1 incorporated biomimetic membranes were prepared and characterized. The morphology and structure of the biomimetic membranes were characterized by in situ atomic force microscopy (AFM), infrared absorption spectroscopy, fluorescence microscopy,...

2004
Ronald Breslow

Several cases are described in which the chelate effect contributes to binding and catalysis. In the first examples, dimers made up of linked cyclodextrins show very strong selective substrate binding, and with catalytic groups in the linkers they are effective catalysts of reactions of bound substrates. In later examples, chelate binding of transition states by a base and an acid produce effec...

Journal: :Organic & biomolecular chemistry 2012
Luis E Gonzalez-Ovalle Matthew G Quesne Devesh Kumar David P Goldberg Sam P de Visser

Density functional theory (DFT) calculations are presented on biomimetic model complexes of cysteine dioxygenase and focus on the effect of axial and equatorial ligand placement. Recent studies by one of us [Y. M. Badiei, M. A. Siegler and D. P. Goldberg, J. Am. Chem. Soc. 2011, 133, 1274] gave evidence of a nonheme iron biomimetic model of cysteine dioxygenase using an i-propyl-bis(imino)pyrid...

2014
Usman Latif Jianjin Qian Serpil Can Franz L. Dickert

A universal label-free detection of bioanalytes can be performed with biomimetic quartz crystal microbalance (QCM) coatings prepared by imprinting strategies. Bulk imprinting was used to detect the endocrine disrupting chemicals (EDCs) known as estradiols. The estrogen 17β-estradiol is one of the most potent EDCs, even at very low concentrations. A highly sensitive, selective and robust QCM sen...

2017
Janet To Chuyang Y. Tang

In recent years, the use of biomimetic membranes that incorporate membrane proteins, i.e., biomimetic-hybrid membranes, has increased almost exponentially. Key membrane proteins in these systems have been aquaporins, which selectively permeabilize cellular membranes to water. Aquaporins may be incorporated into synthetic lipid bilayers or to more stable structures made of block copolymers or so...

2017
Lidia Escutia-Guadarrama Genaro Vázquez-Victorio David Martínez-Pastor Brenda Nieto-Rivera Marcela Sosa-Garrocho Marina Macías-Silva Mathieu Hautefeuille

We present the rapid-prototyping of type I collagen micropatterns on poly-dimethylsiloxane substrates for the biomimetic confinement of cells using the combination of a surface oxidation treatment and 3-aminopropyl triethoxysilane silanisation followed by glutaraldehyde crosslinking. The aim of surface treatment is to stabilise microcontact printing transfer of this natural extracellular matrix...

Journal: :Journal of the Royal Society, Interface 2012
Stefano Marras Maurizio Porfiri

The integration of biomimetic robots in a fish school may enable a better understanding of collective behaviour, offering a new experimental method to test group feedback in response to behavioural modulations of its 'engineered' member. Here, we analyse a robotic fish and individual golden shiners (Notemigonus crysoleucas) swimming together in a water tunnel at different flow velocities. We de...

2015
K. Srinivasan S. Chitra

Mimicry in the field of science involves reproducing or copying a model, a reference. If we as dentists want to replace what has been lost, we need to agree on what is the correct reference. The accepted frame of reference must be the same for the entire profession, and it should be timeless and unchanging success. Age, disease and traditional restorations can cause further problems to the exis...

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