SALPLACHTA, Jiri, Marie HORKA, Pavel KARASEK, Filip RŮŽIČKA and Michal ROTH. Identification of Aspergillus Conidia in Bronchoalveolar Lavage Using Offline Combination of Capillary Electrophoresis in Supercritical Water-Treated Fused Silica Capillary and Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometry. Analytical chemistry. WASHINGTON: AMER CHEMICAL SOC, 2020, vol. 92, No 11, p. 7588-7595. ISSN 0003-2700. Available from: https://dx.doi.org/10.1021/acs.analchem.0c00165.
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Basic information
Original name Identification of Aspergillus Conidia in Bronchoalveolar Lavage Using Offline Combination of Capillary Electrophoresis in Supercritical Water-Treated Fused Silica Capillary and Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometry
Authors SALPLACHTA, Jiri (203 Czech Republic, guarantor), Marie HORKA (203 Czech Republic), Pavel KARASEK (203 Czech Republic), Filip RŮŽIČKA (203 Czech Republic, belonging to the institution) and Michal ROTH (203 Czech Republic).
Edition Analytical chemistry, WASHINGTON, AMER CHEMICAL SOC, 2020, 0003-2700.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 10406 Analytical chemistry
Country of publisher United States of America
Confidentiality degree is not subject to a state or trade secret
WWW URL
Impact factor Impact factor: 6.986
RIV identification code RIV/00216224:14110/20:00114808
Organization unit Faculty of Medicine
Doi http://dx.doi.org/10.1021/acs.analchem.0c00165
UT WoS 000538417400032
Keywords in English MALDI-TOF MS; SUSCEPTIBLE STAPHYLOCOCCUS-AUREUS; DIFFERENT INTERNAL DIAMETERS; INVASIVE FUNGAL-INFECTIONS; DESORPTION IONIZATION-TIME; METHICILLIN-RESISTANT; DIAGNOSTIC METHODS; NEUTRAL ANALYTES; 2 SEGMENTS; MICROORGANISMS
Tags 14110113, rivok
Tags International impact, Reviewed
Changed by Changed by: Mgr. Tereza Miškechová, učo 341652. Changed: 16/7/2020 09:29.
Abstract
Diagnosis of fungal infection in lung parenchyma is relatively difficult. Bronchoscopy with bronchoalveolar lavage is very useful in its diagnosing. Therefore, a method for rapid online concentration and analysis of Aspergillus conidia in bronchoalveolar lavage fluid using the combination of transient isotachophoresis (tITP) and micellar electrokinetic chromatography (MEKC) with subsequent off-line identification of the separated conidia by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) is described in this study. In the proposed procedure, conidia were first dynamically adhered onto the roughened part of the inner surface of a fused silica capillary prepared by etching with supercritical water. Then the adhered conidia were desorbed, concentrated, and separated using a combination of tITP and MEKC. Finally, the fractions containing the separated conidia were collected from the capillary and analyzed by MALDI-TOF MS. The adhesion efficiency under the optimized experimental conditions was about 80%. This rapid diagnosis will contribute to timely initiation of therapy and increase the patient's chances of survival.
Links
NV16-29916A, research and development projectName: Využití bakteriofágů v léčbě nozokomiálních infekcí spojených s multirezistencí či tvorbou biofilmu
VI20172020069, research and development projectName: Vývoj moderních instrumentálních metod pro rychlou detekci a identifikaci vybraných B-agens a toxinů (Acronym: VMIMRDIBT)
Investor: Ministry of the Interior of the CR
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