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Optycznie Sterowane Czujniki Mikrofalowe w Diagnostyce Biomedycznej
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ISBN10: 663033079X
ISBN13: 9786630330793
Publisher: Wydawnictwo Nasza Wiedza
Published: Sep 21 2026
Pages: 96
Weight: 0.31
Height: 0.23 Width: 6.00 Depth: 9.00
Language: Polish
ISBN13: 9786630330793
Publisher: Wydawnictwo Nasza Wiedza
Published: Sep 21 2026
Pages: 96
Weight: 0.31
Height: 0.23 Width: 6.00 Depth: 9.00
Language: Polish
Książka ta przedstawia projekt, rozwój i walidację innowacyjnego, optycznie sterowanego czujnika mikrofalowego do bezinwazyjnego wykrywania stężenia mocznika w ludzkim moczu w czasie rzeczywistym. Odpowiada ona na kluczowe ograniczenia konwencjonalnych analiz biochemicznych, które są kosztowne, czasochlonne i nieprzydatne w zastosowaniach w miejscu opieki nad pacjentem (point-of-care). Proponowany czujnik dziala na częstotliwości 1,22 GHz i w wyjątkowy sposób lączy trzy synergiczne elementy konstrukcyjne: kolową cewkę spiralną (CSI) polączoną z kondensatorem grzebieniowym (IDC) w celu utworzenia rezonansowej struktury o wysokim dobroci Q, która skupia pola elektromagnetyczne w obszarze pomiarowym; odcinki strojące o strukturze fraktala Hilberta, które minimalizują efekty dyfrakcji i optymalizują dopasowanie impedancji; oraz fotorezystor (LDR), który umożliwia nowatorski hybrydowy mechanizm transdukcji optyczno-mikrofalowej. W mechanizmie tym przezroczystośc optyczna moczu - odwrotnie skorelowana ze stężeniem mocznika - moduluje rezystancję LDR, a tym samym bezpośrednio zmienia wartośc strat wtrąceniowych (S₂₁) przy stalej częstotliwości rezonansowej. Walidacja numeryczna za pomocą CST Microwave Studio oraz testy eksperymentalne na próbkach ludzkiego moczu od 15 pacjentów.
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