DataVXACS Biomaterials Science & EngineeringPaper
journal article·2022-10-10Open access

Quantitative Analysis of Porous Silicon Nanoparticles Functionalization by 1H NMR

Ruoyu Cheng, Shiqi Wang, Karina Moslova, Ermei Mäkilä, Jarno Salonen, Jiachen Li, Jouni Hirvonen, Bing Xia, Hélder A. Santos

ACS Biomaterials Science & Engineering· Volume 8· Issue 10
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Source abstract

Abstract

H NMR experiments. We optimized the hydrolysis conditions to degrade the PSi, providing mobility to the molecules for NMR detection. The NMR parameters were also optimized by relaxation delay and the number of scans to provide reliable NMR spectra. With an internal standard, we quantitatively analyzed the surficial amine groups and their sequential modification of polyethylene glycol. Our investigation provides a reliable, fast, and straightforward method in quantitative analysis of the surficial modification characterization of PSi requiring a small amount of sample.
Source: openalex_inverted_index · Quality: baseline

Research context

Nanomaterials

OpenAlex topics: Silicon Nanostructures and Photoluminescence · Carbon Nanotubes in Composites · Carbon and Quantum Dots Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, Helsinki FI-00014, Finland

Department of Chemistry, Faculty of Science, University of Helsinki, Helsinki FI-00014, Finland

Laboratory of Industrial Physics, Department of Physics and Astronomy, University of Turku, Turku FI-20014, Finland

College of Science Key Laboratory of Forest Genetics & Biotechnology (Ministry of Education of China), Nanjing Forestry University, Nanjing 210037, P. R. China

Helsinki Insititute of Life Science, HiLIFE, University of Helsinki, Helsinki FI-00014, Finland

Funding

Sigrid Jus??liuksen S????ti?? · Suomen Akatemia · China Scholarship Council · Suomen Kulttuurirahasto · Helsinki Institute of Life Science, Helsingin Yliopisto

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