Microscopic techniques for the analysis of micro and nanostructures of biopolymers and their derivatives

A Venkateshaiah, VVT Padil, M Nagalakshmaiah… - Polymers, 2020 - mdpi.com
Natural biopolymers, a class of materials extracted from renewable sources, is garnering
interest due to growing concerns over environmental safety; biopolymers have the …

A review of three-dimensional scanning near-field optical microscopy (3D-SNOM) and its applications in nanoscale light management

P Bazylewski, S Ezugwu, G Fanchini - Applied Sciences, 2017 - mdpi.com
In this article, we present an overview of aperture and apertureless type scanning near-field
optical microscopy (SNOM) techniques that have been developed, with a focus on three …

Sub-nanometre resolution in single-molecule photoluminescence imaging

B Yang, G Chen, A Ghafoor, Y Zhang, Y Zhang… - Nature …, 2020 - nature.com
Ambitions to reach atomic resolution with light have been a major force in shaping nano-
optics, whereby a central challenge is achieving highly localized optical fields. A promising …

Interferometric scattering microscopy reveals microsecond nanoscopic protein motion on a live cell membrane

RW Taylor, RG Mahmoodabadi, V Rauschenberger… - Nature …, 2019 - nature.com
Many of the biological functions of a cell are dictated by the intricate motion of proteins within
its membrane over a spatial range of nanometres to tens of micrometres and time intervals of …

Label-free single-molecule imaging with numerical-aperture-shaped interferometric scattering microscopy

D Cole, G Young, A Weigel, A Sebesta, P Kukura - ACS photonics, 2017 - ACS Publications
Our ability to optically interrogate nanoscopic objects is controlled by the difference between
their extinction cross sections and the diffraction-limited area to which light can be confined …

Far-field superresolution of thermal electromagnetic sources at the quantum limit

R Nair, M Tsang - Physical review letters, 2016 - APS
We obtain the ultimate quantum limit for estimating the transverse separation of two thermal
point sources using a given imaging system with limited spatial bandwidth. We show via the …

Super‐resolution microscopy by movable thin‐films with embedded microspheres: resolution analysis

KW Allen, N Farahi, Y Li, NI Limberopoulos… - Annalen der …, 2015 - Wiley Online Library
Microsphere‐assisted imaging has emerged as an extraordinary simple technique of
obtaining optical super‐resolution. This work addresses two central problems in developing …

Towards correlative super‐resolution fluorescence and electron cryo‐microscopy

G Wolff, C Hagen, K Grünewald… - Biology of the Cell, 2016 - Wiley Online Library
Correlative light and electron microscopy (CLEM) has become a powerful tool in life
sciences. Particularly cryo‐CLEM, the combination of fluorescence cryo‐microscopy (cryo …

pHmScarlet is a pH-sensitive red fluorescent protein to monitor exocytosis docking and fusion steps

A Liu, X Huang, W He, F Xue, Y Yang, J Liu… - Nature …, 2021 - nature.com
Abstract pH-sensitive fluorescent proteins (FPs) are highly advantageous for the non-
invasive monitoring of exocytosis events. Superecliptic pHluorin (SEP), a green pH-sensitive …

Microplastics and nanoplastics science: collecting and characterizing airborne microplastics in fine particulate matter

L Rahman, G Mallach, R Kulka, S Halappanavar - Nanotoxicology, 2021 - Taylor & Francis
Microplastic (MP) pollution in the environment is increasing, leading to growing concerns
about human exposures and the subsequent impact on health. Although marine MP …