Results 11 to 20 of about 2,759,680 (298)

1,2,4,5-Tetrazine-tethered probes for fluorogenically imaging superoxide in live cells with ultrahigh specificity

open access: yesNature Communications, 2023
Specific detection of cellular superoxide is challenging. Here, the authors designed 1,2,4,5-tetrazine based fluorogenic probes for specific and sensitive imaging of superoxide, and applied them in high throughput screening of modulators of oxidative ...
Xuefeng Jiang   +9 more
doaj   +1 more source

Advanced Fluorescence Microscopy Techniques-FRAP, FLIP, FLAP, FRET and FLIM [PDF]

open access: yes, 2012
Fluorescence microscopy provides an efficient and unique approach to study fixed and living cells because of its versatility, specificity, and high sensitivity.
Abbe   +295 more
core   +2 more sources

Fluorescence Microscopy [PDF]

open access: yesCold Spring Harbor Protocols, 2014
Fluorescence microscopy is a major tool with which to monitor cell physiology. Although the concepts of fluorescence and its optical separation using filters remain similar, microscope design varies with the aim of increasing image contrast and spatial resolution.
Sanderson, Michael J   +3 more
openaire   +4 more sources

The Role of Hydrogen Peroxide and Peroxiredoxins throughout the Cell Cycle

open access: yesAntioxidants, 2020
Hydrogen peroxide (H2O2) is an oxidizing agent that induces cellular damage at inappropriate concentrations and gives rise to an arrest during cell cycle progression, causing cell death.
Sukyeong Heo, Suree Kim, Dongmin Kang
doaj   +1 more source

Shining light on plant health: Detecting salt stress with a near-infrared fluorescent probe

open access: yesAdvanced Agrochem, 2023
Salt stress remains a significant challenge for crop growth and food security. The development of effective analytical tools for salt stress-related studies is of great importance. Recently, Yang and Yin et al.
Xiaogang Liu
doaj   +1 more source

Green fluorescent protein as an indicator of cryoinjury in tissues. [PDF]

open access: yes, 2013
The fluorescence intensity of Green Fluorescent Protein (GFP) has previously been demonstrated to be an accurate indicator of cellular viability following cryoinsult in individual GFP-transfected cells. In an attempt to ascertain whether GFP fluorescence
Aguilar, Guillermo   +3 more
core   +1 more source

The DIVER Microscope for Imaging in Scattering Media

open access: yesMethods and Protocols, 2019
We describe an advanced DIVER (Deep Imaging Via Emission Recovery) detection system for two-photon fluorescence microscopy that allows imaging in multiple scattering media, including biological tissues, up to a depth of a few mm with micron resolution ...
Alexander Dvornikov   +2 more
doaj   +1 more source

Publisher Correction: Alteration in Fluidity of Cell Plasma Membrane in Huntington Disease Revealed by Spectral Phasor Analysis

open access: yesScientific Reports, 2018
A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has been fixed in the paper.
Sara Sameni   +3 more
doaj   +1 more source

Theoretical studies on triplet formations in nitrobenzoxadiazole (NBD) derivatives: The impact of donor group and heteroatom substitution

open access: yesResults in Chemistry, 2021
Heavy-atom-free triplet photosensitizers (TPs) have attracted much interest due to the applications in triplet–triplet annihilation (TTA) and photodynamic therapy.
Chao Wang   +3 more
doaj   +1 more source

Resonance fluorescence from an artificial atom in squeezed vacuum [PDF]

open access: yes, 2016
We present an experimental realization of resonance fluorescence in squeezed vacuum. We strongly couple microwave-frequency squeezed light to a superconducting artificial atom and detect the resulting fluorescence with high resolution enabled by a ...
Blais, A.   +8 more
core   +3 more sources

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