Results 21 to 30 of about 5,782,344 (357)

Stimuli‐responsive active materials for dynamic control of light field

open access: yesResponsive Materials, 2023
The increasing demand for the multidimensional and dynamic control of light has spurred the development of stimuli‐responsive, reconfigurable, and programmable optical systems.
Ren Zheng   +7 more
doaj   +1 more source

Functionalized Au15 nanoclusters as luminescent probes for protein carbonylation detection

open access: yesCommunications Chemistry, 2021
Atomically precise gold nanoclusters hold promise as non-linear optical probes for biological imaging. Here functionalized luminescent gold nanoclusters bind free carbonyls via oxime bond formation, allowing detection of carbonylated proteins via gel ...
Guillaume F. Combes   +16 more
doaj   +1 more source

Biocompatible NaYF4:Yb,Er upconversion nanoparticles: Colloidal stability and optical properties

open access: yesJournal of Saudi Chemical Society, 2021
Currently, highly luminescent colloidal upconversion nanoparticles (UCNPs) have expanded an increasing interest of researchers because of their facilitating lability in the biomedical/clinical field.
Anees A. Ansari   +2 more
doaj   +1 more source

Near‐Infrared Optical Sensing of Biomacromolecules with Upconversion Nanoplatforms

open access: yesAdvanced Photonics Research, 2023
Optical sensing and imaging have perceived massive success in biomedical analysis and disease diagnosis in terms of minimal invasiveness, good sensitivity, high accuracy, and time‐/cost‐effectiveness.
Liben Yan, Zhimin Wang
doaj   +1 more source

Extraction and purification of phycobiliproteins from algae and their applications

open access: yesFrontiers in Chemistry, 2022
Microalgae, macroalgae and cyanobacteria are photosynthetic microorganisms, prokaryotic or eukaryotic, living in saline or freshwater environments. These have been recognized as valuable carbon sources, able to be used for food, feed, chemicals, and ...
Gabriela Kovaleski   +7 more
doaj   +1 more source

Protein Model and Function Analysis in Quorum-Sensing Pathway of Vibrio qinghaiensis sp.-Q67

open access: yesBiology, 2021
Bioluminescent bacteria are mainly found in marine habitats. Vibrio qinghaiensis sp.-Q67 (Q67), a nonpathogenic freshwater bacterium, has been a focus due to its wide use in the monitoring of environmental pollution and the assessment of toxicity ...
Ze-Jun Wang   +4 more
doaj   +1 more source

Evolutionary Covariant Positions within Calmodulin EF-hand Sequences Promote Ligand Binding [PDF]

open access: yes, 2018
Intracellular calcium signaling is an essential regulatory mechanism through calcium-mediated signal transduction pathways involved in many cell processes, such as exocytosis, motility, apoptosis, excitability, transcription, and muscle contraction.
Vaidyanathan, Uma
core   +1 more source

On the selection and design of proteins and peptide derivatives for the production of photoluminescent, red-emitting gold quantum clusters [PDF]

open access: yes, 2013
Novel pathways of the synthesis of photoluminescent gold quantum clusters (AuQCs) using biomolecules as reactants provide biocompatible products for biological imaging techniques.
A Baksi   +48 more
core   +2 more sources

Fokker–Planck Analysis of Superresolution Microscopy Images

open access: yesMathematical and Computational Applications, 2023
A method for the analysis of super-resolution microscopy images is presented. This method is based on the analysis of stochastic trajectories of particles moving on the membrane of a cell with the assumption that this motion is determined by the ...
Mario Annunziato, Alfio Borzì
doaj   +1 more source

Site-Directed Mutagenesis and Site-Specific Binding Analysis of Calmodulin (CaM) [PDF]

open access: yes, 2017
Calcium signaling is a major regulatory system in cells and a crucial part of cell biology. An important element in the decoding of intracellular calcium concentration into downstream processes is the ubiquitous and highly conserved calcium binding ...
Dokic, Yelena
core   +1 more source

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