Results 51 to 60 of about 5,513 (216)
Biotechnology and Bioengineering, EarlyView.ABSTRACT Messenger ribonucleic acid (mRNA) therapeutics produced by in vitro transcription must be purified to remove residual enzymes and free nucleotides. This study examines the use of high‐performance countercurrent membrane purification (HPCMP) for the purification of mRNA therapeutics based on differences in the rate of diffusion across ...
Ziqiao Wang +3 more
wiley +1 more source
Design considerations for thermally stabilized germanium photodiodes
Технологія та конструювання в електронній апаратурі, 2004 The specific aspects of designing germanium avalanche and non-avalanche threshold photodiodes for use in optical radiation testers of fiber-optic communication systems are discussed.
V. V. Ryuhtin, Yu. G. Dobrovolsky
doaj
Geiger-Mode Avalanche Photodiode Arrays Integrated to All-Digital CMOS Circuits
Sensors, 2016 This article reviews MIT Lincoln Laboratory's work over the past 20 years to develop photon-sensitive image sensors based on arrays of silicon Geiger-mode avalanche photodiodes.
Brian Aull
doaj +1 more source
Study of the fast calorimeter prototype for the Super Charm-Tau Factory [PDF]
EPJ Web of Conferences, 2019 Modern e+e− factories with high luminosity require fast response time of the detector subsystems to collect the data efficiently and suppress severe beam background.
Prokhorova Ekaterina
doaj +1 more source
Supercritical Angle Fluorescence and Raman Techniques in Biophotonics
Laser &Photonics Reviews, EarlyView.Supercritical angle fluorescence (SAF) microscopy and supercritical angle Raman (SAR) spectroscopy have emerged as powerful tools in the field of biophotonics, enabling high‐resolution imaging and spectroscopy of biological specimens near interfaces. This review article provides a comprehensive overview of the principles, techniques, applications, and ...
Subir Das +2 more
wiley +1 more source
Non-linear behaviour of large-area avalanche photodiodes [PDF]
, 2002 The characterisation of photodiodes used as photosensors requires a determination of the number of electron-hole pairs produced by scintillation light.
Santos, J. M. F. dos +9 more
core +1 more source
Laser &Photonics Reviews, EarlyView.This work elucidates the previously unknown thermal dynamics during sub‐micrometer photothermal laser printing of zinc oxide using a non‐invasive transmission‐based in situ measurement. The elevated temperatures are shown to be highly localized around the laser focal spot, reaching average temperature increases of about 113 K per mW of laser power ...
Steven Kraus +4 more
wiley +1 more source
A Capacitive Quenching Circuit for Use with Single Photon Avalanche Detectors [PDF]
, 2013 In this thesis a Capacitive Quenching Circuit (CQC) is modelled using Linear Technology's Simulation Program with Integrated Circuit Emphasis (LT SPICE). Key components are optimised and the entire circuit is modelled. Once satisfied with the simulation,
Goldberg, Graham R
core
4H–SiC Avalanche Photodiode Linear Array Operating in Geiger Mode
IEEE Photonics Journal, 2017 In this study, a 50-pixel linear array of 4H–SiC ultraviolet avalanche photodiodes operating in Geiger mode is reported for the first time. The 50 pixels within the linear array are all capable of detecting single photons but with a small number ...
Lianghui Li +10 more
doaj +1 more source
Inorganics, 2023 In this article, the performance and design considerations of the planar structure of germanium on silicon avalanche photodiodes are presented. The dependences of the breakdown voltage, gain, bandwidth, responsivity, and quantum efficiency on the reverse
Hazem Deeb +4 more
doaj +1 more source