Results 131 to 140 of about 149,696 (169)

Bioinspired Shape Reconfigurable, Printable, and Conductive “E‐Skin” Patch with Robust Antibacterial Properties for Human Health Sensing

Advanced Functional Materials, EarlyView.
In this article, Hojin Kim, Sayan Deb Dutta, and co‐workers report a shape‐reconfigurable, 3D printable, and highly adhesive slime‐like ‘electronic skin’ or ‘E‐skin’ patch for human health sensing and tissue engineering applications. The dual reinforcement of hydrogel patch with carbon nanotubes (CNTs) and cellulose nanocrystals (CNCs) improve the ...
Hojin Kim, Sayan Deb Dutta, Myoung Joon Jeon, Jieun Lee, Hyeonseo Park, Youjin Seol, Ki‐Taek Lim   +6 more
wiley   +1 more source

Supervariate Gel Transforms into Various Biominerals in Salt Solutions

Advanced Functional Materials, EarlyView.
It is revealed that common calcium‐based biominerals can form from a stable, non‐toxic ‘supervariate’ gel. This tunable gel selectively yields calcite or hydroxyapatite in carbonate/phosphate solutions, while CaCl₂ facilitates the formation of dihydrate calcium pyrophosphate, which converts to hydroxyapatite upon drying. These findings provide insights
Xinxue Tang, Chong Wang, Yuk‐Tong Cheng, Junda Shen, Yunchen Long, Hongkun Li, Jie Yan, Yang Ren, Xiao Ma, Yufeng Huang, Zhengtao Xu, Jian Lu, Yang Yang Li   +12 more
wiley   +1 more source

Synthetic Strategy for mRNA Encapsulation and Gene Delivery with Nanoscale Metal‐Organic Frameworks

Advanced Functional Materials, EarlyView.
This research utilizes the ZIF‐8 for the encapsulation and intracellular delivery of nucleic acids, specifically mRNA, for applications in gene delivery. Integrating PEI addresses the issue of mRNA leakage from ZIF‐8, resulting in the delivery and expression of green fluorescent protein (GFP) in vitro and firefly luciferase in vivo.
Harrison Douglas Lawson, Huy Hoang Nguyen, Keng‐Jung Lee, Nattarat Wongsuwan, Ayesha Tupe, Mengrou Lu, Mariah Lynn Arral, Anne Behre, Zihan Ling, Kathryn Ann Whitehead, Adam Walter Feinberg, Xi Ren, Si‐Yang Zheng   +12 more
wiley   +1 more source

Toxin bioportides: exploring toxin biological activity and multifunctionality [PDF]

Cellular and Molecular Life Sciences, 2016
Toxins have been shown to have many biological functions and to constitute a rich source of drugs and biotechnological tools. We focus on toxins that not only have a specific activity, but also contain residues responsible for transmembrane penetration, which can be considered bioportides-a class of cell-penetrating peptides that are also intrinsically
Paulo Luiz de Sá Júnior, Alvaro R. B. Prieto da Silva, Jan Tytgat, Irina Kerkis, Celine Pompeia   +4 more
openaire   +2 more sources

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BIOLOGICAL ASSAY OF THE TOXIN FROM SHELLFISH

Canadian Journal of Biochemistry and Physiology, 1955
A conventional quantal response assay procedure was employed to determine the LD50 of shellfish extracts. The slope of the log dose – response line obtained with butter clam extracts was not significantly different from that found with scallop liver extracts.
H. I. Edwards, N. R. Stephenson, B. F. MacDonald, L. I. Pugsley   +3 more
openaire   +3 more sources

Photorhabdus toxins: novel biological insecticides

Current Opinion in Microbiology, 1999
Following concerns over the potential for insect resistance to insecticidal Bacillus thuringiensis toxins expressed in transgenic plants, there has been recent interest in novel biological insecticides. Over the past year there has been considerable progress in the cloning of several alternative toxin genes from the bacteria Photorhabdus luminescens ...
Richard H. ffrench-Constant, David J. Bowen   +1 more
openaire   +3 more sources

Biological Toxins: Safety and Science

2014
Biological toxins may be classified according to the microorganisms from which the toxin is derived: bacterial, fungal, algal, plant, or animal. Toxins may also be classified according to their mode of action. With an increase in the use of biological toxins in biomedical research, there is a growing need for information on working safely with these ...
Joseph P. Kozlovac, Robert J. Hawley
openaire   +2 more sources

Biological Toxins and Bioterrorism

2015
Abrin and Immunoneutralization: A Review -- Abrin: A Review -- Aflatoxins -- Aptamers as Antidotes against Toxins -- Artificial Resistance using Antitoxins and Anti-venoms -- Basic Chemistry of Toxins Relevant to Vaccine, Diagnostics, and Countermeasures -- Bioactive Peptides Against Bioterror Agents -- Biological Toxin Detection: A Review -- Biology ...
Lyndon E. Llewellyn, Mahdi Balali-Mood, Bal Ram Singh, P Gopalakrishnakone   +3 more
openaire   +2 more sources

Biological methods for marine toxin detection

Analytical and Bioanalytical Chemistry, 2010
The presence of marine toxins in seafood poses a health risk to human consumers which has prompted the regulation of the maximum content of marine toxins in seafood in the legislations of many countries. Most marine toxin groups are detected by animal bioassays worldwide.
M. Carmen Louzao, Luis M. Botana, Natalia Vilariño, Mercedes R. Vieytes   +3 more
openaire   +3 more sources

Medical aspects of biologic toxins

Anesthesiology Clinics of North America, 2004
Biologic toxins are molecules produced by living organisms that are poisonous to other species, such as humans. Some biologic toxins are so potent and relatively easy to produce that they have been classified as biothreat agents. These include the botulinum neurotoxins, ricin, staphylococcal enterotoxin B, and Clostridium perfringens epsilon toxin ...
openaire   +2 more sources