Results 111 to 120 of about 762,581 (360)

Advancing Research on Biomaterials and Biological Materials with Scanning Electron Microscopy under Environmental and Low Vacuum Conditions

Advanced Engineering Materials, EarlyView.
Herein, environmental scanning electron microscopy (ESEM) is discussed as a powerful extension of conventional SEM for life sciences. By combining high‐resolution imaging with variable pressure and humidity, ESEM allows the analysis of untreated biological materials, supports in situ monitoring of hydration‐driven changes, and advances the functional ...
Jendrian Riedel, Lea Dierker, Antoine Eyram Kwame, Kim Nora Wagner, Jonas J. Unterholzner, Jan‐Henning Dirks, Dorothea Brüggemann   +6 more
wiley   +1 more source

Evolvability of Chaperonin Substrate Proteins [PDF]

, 2009
Molecular chaperones ensure that their substrate proteins reach the functional native state, and prevent their aggregation. Recently, an additional function was proposed for molecular chaperones: they serve as buffers (_capacitors_) for evolution by ...
Emanuele Raineri, Luis Serrano, Paolo Ribeca, Tobias Maier   +3 more
core   +1 more source

CRISPR/Cas9‐Assisted Microrobots for Fast and Ultrasensitive “On‐The‐Fly” Next‐Generation DNA Detection

Advanced Functional Materials, EarlyView.
This work presents self‐propelled CRISPR/Cas9‐functionalized Au–MRs for rapid, amplification‐free, “on‐the‐fly” DNA detection. By harnessing motion‐assisted signal recovery, the platform achieved the limit of detection in low fM DNA concentrations, enabling detection across a wide dynamic range within only 5 min, which is significantly faster than any ...
Jyoti, Petr Michálek, Zbyněk Heger, Martin Pumera   +3 more
wiley   +1 more source

Mistranslated protein in Escherichia coli.

Journal of Biological Chemistry, 1981
Amino acid starvation of a variety of different types of cells has been reported to induce protein degradation and also specific mistranslation. For certain amino acid starvations, the mistranslated protein, which contains specific amino acid substitutions, can be separated and quantified by two-dimensional polyacrylamide gel electrophoresis.
openaire   +2 more sources

The Anisotropic Adsorption of De Novo Allosteric Two‐Component Protein Fibers on Mica Surfaces

Advanced Functional Materials, EarlyView.
In this study, the interfacial behavior of de novo designed proteins that self‐assemble into tubular architectures with distinct morphologies — small (S), large (L), and helical (H) fibers — at the muscovite mica‐water interface is explored using in situ AFM. Abstract Protein adsorption at solid–liquid interfaces underlies many biomedical and materials
Chenyang Shi, Hao Shen, Yuna Bae, Jaeyoung Heo, Shuai Zhang, Lehan Yao, David Baker, James J De Yoreo   +7 more
wiley   +1 more source

Enhancing Escherichia coli production of material proteins using circular mRNAs

Applied and Environmental Microbiology
Industrial bioproduction of proteins, particularly protein-based materials (PBMs) like spider silk and elastin proteins, is rapidly expanding. PBMs often have high molecular weights and are highly repetitive, transcribed from long and repetitive mRNAs ...
Alden Filko, Fuzhong Zhang
doaj   +1 more source

Structural genomics of human proteins – target selection and generation of a public catalogue of expression clones

Microbial Cell Factories, 2005
Background The availability of suitable recombinant protein is still a major bottleneck in protein structure analysis. The Protein Structure Factory, part of the international structural genomics initiative, targets human proteins for structure ...
Harttig Ulrich, Sievert Volker, Scheich Christoph, Büssow Konrad, Schultz Jörg, Simon Bernd, Bork Peer, Lehrach Hans, Heinemann Udo   +8 more
doaj   +1 more source

Targets for the MalI repressor at the divergent Escherichia coliK-12malX-malI promoters [PDF]

, 2010
Random mutagenesis has been used to identify the target DNA sites for the MalI repressor at the divergent Escherichia coli K-12 malX-malI promoters. The malX promoter is repressed by MalI binding to a DNA site located from position -24 to position -9 ...
Barnard, Barne, Busby, Chaudhuri, Clausen, El-Robh, Georgina S. Lloyd, Hollands, Jacob, Lloyd, Lodge, Mitchell, Mitchell, Reidl, Reidl, Rita E. Godfrey, Rojo, Stephen J.W. Busby, Swint-Kruse, Valentin-Hansen, Weickert, West, Zdych   +22 more
core   +1 more source

An Ionic Gelation Powder for Ultrafast Hemostasis and Accelerated Wound Healing

Advanced Functional Materials, EarlyView.
An ultrafast ionic gelation‐activated hemostatic powder (AGCL) forms a hydrogel within ≈1 s upon contact with blood‐derived calcium ions. The AGCL powder enables rapid hemorrhage control, strong tissue adhesion, and enhanced healing. The powder's pre‐crosslinked polymer network ensures high blood uptake and stability, offering effective treatment for ...
Youngju Son, Kyusoon Pak, Taehoon Lee, Monica Celine Prayogo, Jinyoung Choi, Sukkyung Kang, Minjoo Kang, Byungkook Oh, Sang Yu Sun, Sanha Kim, Sung Gap Im, Sangyong Jon, Steve Park   +12 more
wiley   +1 more source

Preparation of Outer Membrane Vesicle from Escherichia coli

Bio-Protocol, 2013
Outer membrane vesicles (OMVs) are spherical bilayered phospholipids of 20-200 nm in size produced from all Gram-negative bacteria and Gram-positive bacteria investigated to date.
Oh Kim, Bok Hong, Kyong-Su Park, Yae Yoon, Seng Choi, Won Lee, Tae-Young Roh, Yoon-Keun Kim, Yong Gho   +8 more
doaj   +1 more source