Results 61 to 70 of about 39,725 (289)

Hemin, a major heme molecule, induced cellular and genetic alterations in normal colonic and colon cancer cells

, 2021
Heme, a molecule abundant in red meat, is assumed to exert carcinogenic effects on normal colonic cells and tumour suppressive effects on cancer cells, though the hypothesis has not been explicitly proven yet.
Lee, Katherine Ting-Wei, Cheng, Tracie, Lam, Alfred King-Yin, Gopalan, Vinod, Kodagoda Gamage, Sujani Madhurika, Dissabandara, Lakal   +5 more
core   +1 more source

Functional characterization of RhuB as a second TonB2-dependent hemin receptor in Riemerella anatipestifer CH-1

Microbiology Spectrum
In the previous study, it was shown that Riemerella anatipestifer (R. anatipestifer, RA), a pathogen in ducks and some other birds, encodes a hemin uptake system. The R.
Mengying Wang, Siyi Wang, Mingshu Wang, Dekang Zhu, Renyong Jia, Shun Chen, Xinxin Zhao, Qiao Yang, Ying Wu, Shaqiu Zhang, Juan Huang, Mafeng Liu, Anchun Cheng   +12 more
doaj   +1 more source

HemU and TonB1 contribute to hemin acquisition in Stenotrophomonas maltophilia

Frontiers in Cellular and Infection Microbiology
IntroductionThe hemin acquisition system is composed of an outer membrane TonB-dependent transporter that internalizes hemin into the periplasm, periplasmic hemin-binding proteins to shuttle hemin, an inner membrane transporter that transports hemin into
Chun-Hsing Liao, Chun-Hsing Liao, Hsu-Feng Lu, Ching-Wei Yang, Ting-Yu Yeh, Yi-Tsung Lin, Yi-Tsung Lin, Tsuey-Ching Yang   +7 more
doaj   +1 more source

Eutectozymes as Soft Hybrid Materials for Advanced Biocatalysis

Advanced Materials, EarlyView.
Eutectozymes are sustainable hybrid materials that embed a GOx–HRP cascade within hydrophobic eutectogels featuring a dual supramolecular–covalent network. This architecture preserves native enzyme structure and stability, enables efficient heterogeneous biocatalysis in aqueous media, and positions eutectogels as robust platforms for next‐generation ...
Manuel Eduardo Martinez Cartagena, Lucia Suarez, Aitor Ontoria, Francisca J. Benitez, Elixabete Rezabal, María Soledad Orellano, Marcelo Calderón, Cristián Huck‐Iriart, Agustin S. Picco, Matias L. Picchio, Ana Beloqui   +10 more
wiley   +1 more source

Semi-Rationally Designed Short Peptides Self-Assemble and Bind Hemin to Promote Cyclopropanation

Angewandte Chemie, 2020
Self-assembly of short peptides gives rise to versatile nanoassemblies capable of promoting efficient catalysis. We have semi-rationally designed a series of seven-residue peptides that form hemin-binding catalytic amyloids to facilitate enantioselective
O. Zozulia, I. Korendovych
semanticscholar   +1 more source

An Advanced Molecularly Imprinted Polymer‐Based Electrochemical Aptasensor for Carbendazim Detection

Advanced Materials Interfaces, EarlyView.
A dual‐recognition electrochemical aptasensor that integrates a molecular imprinted polymer (MIP) and an aptamer is developed for the detection of a common pesticide, carbendazim (CBZ). The resulting sensor exhibits enhanced selectivity toward CBZ over structurally similar compounds and achieves a low detection limit of 1.3 nm, demonstrating its ...
Suthira Pushparajah, Mahnaz Shafiei, Peter J. Mahon, Aimin Yu   +3 more
wiley   +1 more source

Indirect Quantification of Glyphosate by SERS Using an Incubation Process With Hemin as the Reporter Molecule: A Contribution to Signal Amplification Mechanism

Frontiers in Chemistry, 2020
The indirect determination of the most used herbicide worldwide, glyphosate, was achieved by the SERS technique using hemin chloride as the reporter molecule.
Karen A. López-Castaños, Luis A. Ortiz-Frade, Erika Méndez, Enrique Quiroga-González, Miguel A. González-Fuentes, Alia Méndez-Albores   +5 more
doaj   +1 more source

Biomimetic graphene oxide-cationic multi-shaped gold nanoparticle-hemin hybrid nanozyme: Tuning enhanced catalytic activity for the rapid colorimetric apta-biosensing of amphetamine-type stimulants.

Talanta: The International Journal of Pure and Applied Analytical Chemistry, 2020
Amphetamine-type stimulants are a class of illicit drug that constitutes a worldwide problem to which intelligence agencies, first responders and law enforcement are tasked with identifying them in unknown samples.
Oluwasesan Adegoke, S. Zolotovskaya, A. Abdolvand, N. Daéid   +3 more
semanticscholar   +1 more source

Waveguide Photoactuators: Materials, Fabrication, and Applications

Advanced Robotics Research, EarlyView.
Waveguide photoactuators convert guided light into mechanical motion. Their tethered‐flexible design enables minimally invasive surgery and confined‐space robotics. This review aims to guide materials selection, device design, and system integration, accelerating the transition of waveguide photoactuators from laboratory prototypes to versatile ...
Minjie Xi, Hemin Pan, Yang Zong, Yongfeng Mei, Jizhai Cui   +4 more
wiley   +1 more source

Interaction of hemin with quadruplex DNA [PDF]

Journal of Biological Physics, 2016
A DNA enzyme with peroxidase activity is a G-quadruplex-based DNAzyme formed by hemin and G-quadruplex DNA. Activity of peroxide DNAzymes can be influenced by the structure of quadruplex DNA. In this investigation, the interaction of hemin with T30695 G-quadruplex DNA is evaluated.
Maryam, Ghahremani Nasab, Leila, Hassani, Sara, Mohammadi Nejad, Davood, Norouzi   +3 more
openaire   +2 more sources