ניהול פשוטה ויעילה והדמיה של Microparticles במערכת הדם של דגים קטנים באמצעות הזרקת כליות
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1Institute of Biology at Irkutsk State University2Institute of Biology at Karelian Research Centre of Russian Academy of Sciences3Baikal Research Centre4Institute of Materials Research and Engineering, Agency for Science, Technology, and Research (A*STAR)5University of Oulu, Optoelectronics and Measurement Techniques Laboratory
Summary
Abstract
Introduction
Protocol
Representative Results
Discussion
Disclosures
The authors have nothing to disclose.
Acknowledgements
Materials
| SNARF-1-dextran, 70000 MW | Thermo Fisher Scientific | D3304 | Fluorescent probe. Any other appropriate polymer-bound fluorescent dye can be used as a microcapsule filler |
| Albumin-fluorescein isothiocyanate conjugate (FITC-BSA) | SIGMA | A9771 | Fluorescent probe |
| Rhodamine B isothiocyanate-Dextran (RITC-dextran) | SIGMA | R9379 | Fluorescent probe |
| Calcium chloride | SIGMA | C1016 | CaCO<sub>3</sub> templates formation |
| Sodium carbonate | SIGMA | S7795 | CaCO<sub>3</sub> templates formation |
| Poly(allylamine hydrochloride), MW 50000 (PAH) | SIGMA | 283215 | Cationic polymer |
| Poly(sodium 4-styrenesulfonate), MW 70000 (PSS) | SIGMA | 243051 | Anionic polymer |
| Poly-L-lysine [20 kDa] grafted with polyethylene glycol [5 kDa], g = 3.0 to 4.5 (PLL-g-PEG) | SuSoS | PLL(20)-g[3.5]-PEG(5) | Final polymer to increase the biocompatibility of microcapsules |
| Sodium chloride | SIGMA | S8776 | To dissolve applied polymers |
| Water Purification System | Millipore | SIMSV0000 | To prepare deionized water |
| Magnetic stirrer | Stegler | For CaCO<sub>3</sub> templates formation | |
| Eppendorf Research plus pipette, 1000 µL | Eppendorf | Dosing solutions | |
| Eppendorf Research plus pipette, 10 µL | Eppendorf | Dosing solutions | |
| Pipette tips, volume range 200 to 1000 µL | F.L. Medical | 28093 | Dosing solutions |
| Pipette tips, volume range 0.1-10 μL | Eppendorf | Z640069 | Dosing solutions |
| Mini-centrifuge Microspin 12, High-speed | BioSan | For microcapsule centrifugation-washing procedure | |
| Microcentrifuge tubes, 2 mL | Eppendorf | Z666513 | Microcapsule synthesis and storage |
| Shaker Intelli-mixer RM-1L | ELMY Ltd. | To reduce microcapsule aggregation | |
| Ultrasonic cleaner | To reduce microcapsule aggregation | ||
| Head phones | To protect ears from ultrasound | ||
| Ethylenediaminetetraacetic acid | SIGMA | EDS | To dissolve the CaCO<sub>3</sub> templates |
| Monosodium phosphate | SIGMA | S9638 | Preparation of pH buffers |
| Disodium phosphate | SIGMA | S9390 | Preparation of pH buffers |
| Sodium hydroxide | SIGMA | S8045 | To adjust the pH of the EDTA solution and buffers |
| Thermostat chamber | To dry microcapsules on glass slide | ||
| Hemocytometer blood cell count chamber | To investigate the size distribution and concentration of the prepared microcapsules | ||
| Fluorescent microscope Mikmed 2 | LOMO | In vivo visualization of microcapsules in fish blood | |
| Set of fluorescent filters for SNARF-1 (should be chosen depending on the microscope model; example is provided) | Chroma | 79010 | Visualization of microcapsules with fluorescent probes |
| Fiber spectrometer QE Pro | Ocean Optics | Calibration of microcapsules under microscope | |
| Optical fiber QP400-2-VIS NIR, 400 μm, 2 m | Ocean Optics | To connect spectrometer with microscope port | |
| Collimator F280SMA-A | Thorlabs | To connect spectrometer with microscope port | |
| Glass microscope slide | Fisherbrand | 12-550-A3 | Calibration of microcapsules under microscope |
| Coverslips, 22 x 22 mm | Pearl | MS-SLIDCV | Calibration of microcapsules under microscope |
| Glass microcapillaries Intra MARK, 10 µL | Blaubrand | BR708709 | To collect fish blood |
| Clove oil | SIGMA | C8392 | Fish anesthesia |
| Lancet No 11 | Apexmed international B.V. | P00588 | To cut the fish tail and release the steel needle from the tip of insulin autoinjector |
| Heparin, 5000 U/mL | Calbiochem | L6510-BC | For treating all surfaces that come in contact with fish blood during fish blood collection |
| Seven 2 Go Pro pH-meter with a microelectrode | Mettler Toledo | To determine fish blood pH | |
| Insulin pen needles Micro-Fine Plus, 0.25 x 5 mm | Becton, Dickinson and Company | For injection procedure. Any thin needle (Ø 0.33 mm or less) is appropriate | |
| Glass capillaries, 1 x 75 mm | Hirschmann Laborgeräte GmbH & Co | 9201075 | For injection procedure |
| Gas torch | To solder steel needle to glass capillary | ||
| Microinjector IM-9B | NARISHIGE | For precise dosing of microcapsules suspension | |
| Petri dishes, 60 mm x 15 mm, polystyrene | SIGMA | P5481 | For manipulations with fish under anesthesia |
| Plastic spoon | For manipulations with fish under anesthesia | ||
| Damp sponge | For manipulations with fish under anesthesia | ||
| Dissection scissors | Thermo Scientific | 31212 | To remove the gill cover from the fish head |
| Pasteur pipette, 3.5 mL | BRAND | Z331767 | To moisten fish gills |
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Cite This Article
Borvinskaya, E., Gurkov, A., Shchapova, E., Karnaukhov, D., Sadovoy, A., Meglinski, I., Timofeyev, M. Simple and Effective Administration and Visualization of Microparticles in the Circulatory System of Small Fishes Using Kidney Injection. J. Vis. Exp. (136), e57491, doi:10.3791/57491 (2018).