BioReagent BioReagent for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Living nematodes can be isolated from diseased tissues by direct picking with a dissecting needle, funnel separation, or homogenization of diseased samples. For general morphological observation and identification of common nematodes, temporary slides can be prepared using live nematodes. To further examine their taxonomic features in detail, living nematodes need to be killed and fixed; staining may be performed as required to prepare permanent glass‑mounted specimens.
Nematode Conventional Dehydrating Solution Ⅱ consists of glycerol, ethanol and other components. It must be used together with Nematode Conventional Dehydrating Solution Ⅰ (Aladdin Cat.No.: N1529179). The whole procedure of dehydration to mounting for nematode samples after fixation takes 12‑18 hours.
Required Materials
1. Fixative: TAF fixative, FAA fixative or equivalent reagents
2. Glass dish, Petri dish, alcohol lamp, incubator, etc.
3. Anhydrous glycerol, 95% ethanol, dilute iodine solution, Nematode Routine Dehydrating Agent Ⅰ
Operating Procedure (For Reference Only)
1. Transfer several nematodes onto a glass slide and add one drop of distilled water. Kill the nematodes by heating over an alcohol‑lamp flame; alternatively, mix the nematode suspension with an equal‑volume of dilute iodine solution for several seconds to kill the specimens.
2. Fix nematodes with TAF fixative or FAA fixative. TAF fixative is recommended for long‑term preservation with minimal morphological distortion.
3. Place the fixed nematode sample into a glass dish and add 0.5‑1 ml of Nematode Routine Dehydrating Agent Ⅰ.
4. Put the glass dish inside a sealed container containing excess 95% ethanol (the sample shall not contact the ethanol liquid). Perform dehydration in an incubator at 35‑40 ℃ for no less than 12 h.
5. Add 0.5 ml of Nematode Routine Dehydrating Agent Ⅱ into the glass dish. Place the glass dish in a semi‑closed Petri dish and incubate at 40 ℃ until ethanol in the dehydrating agent is completely evaporated (approximately 2‑3 h).
6. Mount the dehydrated nematodes in anhydrous glycerol for long‑term storage.
Precautions
1. Ensure glass slides are clean and free of oil contamination.
2. Do not use intense flame when killing nematodes.
3. TAF fixative is recommended for nematode fixation, which enables long‑term preservation and maintains stable nematode morphology.
4. For your personal safety, wear a laboratory coat and disposable gloves during operation.
Comprehensive hazard, handling, storage, and regulatory compliance document.
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