Anssi J. Mäkynen YOU? Author Swipe

Last 10y

Field measurements of icing parameters and their application towards ice load maps: An overview Open

Pavlo Sokolov, Muhammad S. Virk, Xingbo Han, Bjørn Egil Kringlebotn Nygaard, Eero O. Molkoselkä , et al. · 2025

In situ cloud surface measurements dataset from four cloud spectrometers during the Pallas Cloud Experiment (PaCE) 2022 Open

Konstantinos Doulgeris, Ville A. Kaikkonen, Harri Juttula, Eero O. Molkoselkä, Anssi J. Mäkynen , et al. · 2025

This data paper presents an overview of the cloud spectrometers deployed during the Pallas Cloud Experiment (PaCE) in autumn 2022, a coordinated measurement campaign in the Finnish subarctic that took place between September 12th and Decem…

Atmospheric icing meteorological parameter study using field experiments and simulation Open

Xingbo Han, Muhammad S. Virk, Hamza Asif, Anssi J. Mäkynen, Harri Juttula , et al. · 2024

Atmospheric icing on ground structures is a concern from design, operation, and safety perspectives. Supercooled water droplets size and liquid water content (LWC) are important weather parameters to better understand the ice accretion phy…

Multipoint Raman Spectrometer Based on a Time-Resolved CMOS SPAD Sensor Open

Tuomo Talala, Ville A. Kaikkonen, Eetu Virta, Anssi J. Mäkynen, Ilkka Nissinen · 2023

The potential of in-line Raman spectrometers for process monitoring applications has been shown for many industrial processes, but in most cases, only one measurement point has been monitored by one spectrometer. In this letter, we describ…

Intercomparison of holographic imaging and single-particle forward light scattering in situ measurements of liquid clouds in changing atmospheric conditions Open

Petri Tiitta, Ari Leskinen, Ville A. Kaikkonen, Eero O. Molkoselkä, Anssi J. Mäkynen , et al. · 2022

Upon a new measurement technique, it is possible to sharpen the determination of microphysical properties of cloud droplets using high resolving power imaging. The shape, size, and position of each particle inside a well-defined, three-dim…

Comment on amt-2021-423 Open

Petri Tiitta, Ari Leskinen, Ville A. Kaikkonen, Eero O. Molkoselkä, Anssi J. Mäkynen , et al. · 2022

Abstract. Upon a new measurement technique, it is possible to sharpen the determination of microphysical properties of cloud droplets using high resolving power imaging. The shape, size, and position of each particle insid…

Comment on amt-2021-423 Open

Petri Tiitta, Ari Leskinen, Ville A. Kaikkonen, Eero O. Molkoselkä, Anssi J. Mäkynen , et al. · 2022

Abstract. Upon a new measurement technique, it is possible to sharpen the determination of microphysical properties of cloud droplets using high resolving power imaging. The shape, size, and position of each particle insid…

Supplementary material to "Intercomparison of holographic imaging and single-particle forward light scattering in-situ measurements of liquid clouds in changing atmospheric conditions" Open

Petri Tiitta, Ari Leskinen, Ville A. Kaikkonen, Eero O. Molkoselkä, Anssi J. Mäkynen , et al. · 2022

Supplement S1: Cloud boundaries for LWC estimationsCondensation of water vapor introduces strong vertical variations of cloud properties that can be used to define cloud boundaries.However, the location of cloud boundaries depends on the v…

Intercomparison of holographic imaging and single-particle forward light scattering in-situ measurements of liquid clouds in changing atmospheric conditions Open

Petri Tiitta, Ari Leskinen, Ville A. Kaikkonen, Eero O. Molkoselkä, Anssi J. Mäkynen , et al. · 2022

Upon a new measurement technique, it is possible to sharpen the determination of microphysical properties of cloud droplets using high resolving power imaging. The shape, size, and position of each particle inside a well-defined, three-dim…

Compensation of Aerodynamic Sampling Effects of a Cloud Droplet Instrument Open

Harri Juttula, Ville A. Kaikkonen, Eero O. Molkoselkä, Anssi J. Mäkynen · 2022

Precise sampling is a crucial part of the aerosol measurement processes that ideally requires perfectly isokinetic conditions in which particles in the sampling volume move exactly the same way as they would in an undisturbed flow. Such co…

Validation of Questionnaires in Screening for Restorative Treatment Need among 15-, 21-, and 40-year olds Open

Antti Kämppi, A. Paananen, Aleksi Laajala, Saujanya Karki, Katri Kukkola , et al. · 2022

Introduction: This cross-sectional study aims to investigate the association between three age-specific questionnaires in three age groups and restorative dental treatment need. Materials and methods: Three separate questionnaires were des…

Properties and suitability of liquid electrode plasma optical emission spectrometry (LEP-OES) for the determination of potassium, lithium, iron, and zinc in aqueous sample solutions Open

Ilkka Vesavaara, Anssi J. Mäkynen, Paavo Perämäki · 2021

The effects of different parameters and the nitric acid concentration on the sensitivity and repeatability of elemental analysis were characterized for liquid electrode plasma optical emission spectrometry (LEP-OES). In addition, internal …

Drug diffusivities in nanofibrillar cellulose hydrogel by combined time-resolved Raman and fluorescence spectroscopy Open

Jacopo Zini, Jere Kekkonen, Ville A. Kaikkonen, Timo Laaksonen, Pekka Keränen , et al. · 2021

Hydrogels, natural and synthetic origin, are actively studied for their use for implants and payload carriers. These biomaterials for delivery systems have enormous potential in basic biomedical research, drug development, and long-term de…

Time-Resolved Raman Spectrometer With High Fluorescence Rejection Based on a CMOS SPAD Line Sensor and a 573-nm Pulsed Laser Open

Tuomo Talala, Ville A. Kaikkonen, Pekka Keränen, Jari Nikkinen, Antti Härkönen , et al. · 2021

A time-resolved Raman spectrometer is demonstrated based on a 256 × 8 single-photon avalanche diodes fabricated in CMOS technology (CMOS SPAD) line sensor and a 573-nm fiber-coupled diamond Raman laser delivering pulses with duration below…

The Effect of Drop Shape, Sensing Volume and Raindrop Size Statistics to the Scattered Field on 300 GHz Open

Mikko Kokkonen, Harri Juttula, Anssi J. Mäkynen, Sami Myllymäki, Heli Jantunen · 2021

Scattering and attenuation properties of rain using various drop models are calculated using Mie theory, the T-matrix method and numerical technique respectively. Ellipsoidal and oblate drops use the axis ratio of raindrops reported in lit…

Can health kiosks be used to identify oral health care needs? A pilot study Open

Laura Pentti, Antti Kämppi, Katri Kukkola, Anssi J. Mäkynen, Ville A. Kaikkonen , et al. · 2020

It can be concluded that health kiosks may help to reduce the number of patients waiting for dental treatment; more specifically, the questionnaire with individual feedback may provide a new instrument for providing instructions for homeca…

A rotating holographic imager for stationary cloud droplet and ice crystal measurements Open

Ville A. Kaikkonen, Eero O. Molkoselkä, Anssi J. Mäkynen · 2020

Predicting scattering properties of fiber suspensions using Mie theory and probabilistic cross-sectional diameter of fibers Open

Harri Juttula, Matti Törmänen, Anssi J. Mäkynen · 2020

Testing of the assisting software for radiologists analysing head CT images: lessons learned Open

Pavel Nikitich Martynov, N K Mitropolskiĭ, Katri Kukkola, Monika Gretsch, V. A. Koivisto , et al. · 2017

Evaluation of time-gated Raman spectroscopy for the determination of nitric, sulfuric and hydrofluoric acid concentrations in pickle liquor Open

Bryan Heilala, A. Mäkinen, Ilkka Nissinen, Jan Nissinen, Anssi J. Mäkynen , et al. · 2017

Comparison of the performance of a microwave based and an NMR based biomaterial moisture measurement instruments Open

Petri Österberg, Martti Heinonen, Maija Ojanen-Saloranta, Anssi J. Mäkynen · 2016

This article compares the performance of an NMR-based and a microwave based moisture measurement instruments designed for biomaterials. The conventional moisture measurement method, Loss-on-Drying (LoD) serves as a reference measurement fo…

CARDS: the decision support tool for radiologists examining head CT images Open

Pavel Nikitich Martynov, N K Mitropolskiĭ, Katri Kukkola, L. Mutanen, Jarmo Reponen , et al. · 2016

Poster: ECR 2016 / B-0233 / CARDS: the decision support tool for radiologists examining head CT images by: P. N. Martynov , N. Mitropolskii, K. Kukkola, L. Mutanen, J. Reponen, A. Makynen; Oulu/FI

METefnet: developments in metrology for moisture in materials Open

Stephanie Bell, Rudolf Aro, F. Arpino, S. Oğuz Aytekin, G. Cortellessa , et al. · 2015

Bien que les mesures de teneur en eau soient largement utilisées dans l'industrie, les considérations métrologiques quant à cette mesure ne sont pas complètement abouties de sorte à fournir des mesures fiables et traçables au SI.Afin de re…

METefnet: developments in metrology for moisture in materials Open

Stephanie Bell, Rudolf Aro, F. Arpino, S. Oğuz Aytekin, G. Cortellessa , et al. · 2015

Bien que les mesures de teneur en eau soient largement utilisées dans l'industrie, les considérations métrologiques quant à cette mesure ne sont pas complètement abouties de sorte à fournir des mesures fiables et traçables au SI. Afin de r…

Fetching topic information...