Baermann Funnel
Baermann Funnel - Related Videos
05:55
Rapid Isolation of Wild Nematodes by Baermann Funnel
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Cited by 22 •
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This protocol outlines a method for efficiently extracting live nematodes from natural substrates in the field.
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IMC, or Integrated Marketing Communication, strategically connects all messages, ensuring a seamless consumer experience. It guides customers from awareness to purchase and beyond, optimizing the marketing funnel. In the Awareness Stage, IMC uses various strategies such as public relations, social media, SEO, and mass media ads to introduce the brand or product to potential customers. During the Interest Stage, IMC employs tactics such as email marketing, direct mail, and informative web...
01:16
Marketing Funnel - Concept
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Application of RNA Interference in the Pinewood Nematode, Bursaphelenchus xylophilus
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Cited by 6 •
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10:58
Steam Distillation - Student Protocol
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2020
Source: Lara Al Hariri and Ahmed Basabrain at the University of Massachusetts Amherst, MA, USA Steam DistillationExpand In this experiment, you will perform a steam distillation to extract an essential oil from an orange peel. Before you start the lab, put on the appropriate personal protective equipment, including a lab coat, safety goggles, and gloves. This experiment must be performed in a hood. First, you will need to assemble the steam distillation apparatus. Check the...
FAQs
Moisture provides the environmental cue that encourages organisms in the sample to leave the material and move downward. Once they become mobile, gravity directs their movement through the mesh or porous support toward the water in the funnel. This combination separates organisms from much of the original sample and concentrates them in the stem, where they can be examined.
The method preferentially recovers living organisms that can move through the sample and toward water. Active, motile nematodes are therefore more likely to appear in the collected material than inactive specimens or organisms strongly attached to plant or soil particles. The resulting sample represents the mobile fraction, rather than a complete inventory of every organism present.
The mesh or porous support keeps the sample above the water while permitting motile organisms to move downward into the funnel. This arrangement prevents the bulk sample from simply entering the collection area and helps separate organisms from soil, plant tissue, or other sample material. The recovered material can then be examined or tested.
Once the sample is positioned on the mesh or porous material, it rests above the water in the funnel. Moisture stimulates suitable organisms to migrate downward, and gravity guides them into the stem. The collected material can then be examined or used for further testing. This workflow links extraction directly to observation or subsequent analysis.
Suitable starting materials include soil, plant tissue, and other biological samples, because the apparatus can separate organisms from these materials through movement toward water. The choice of sample influences which organisms may be encountered, while the extraction itself favors motile forms. This makes the method useful when living, moving specimens are the target of examination.
It supports nematode identification, soil ecology, plant pathology, and parasitology. In identification work, recovered organisms can be examined; in ecological or disease-related studies, the extraction provides access to motile organisms from soil, plant tissue, or biological samples. Its value lies in obtaining an observable fraction for examination or further testing.
Low recovery does not necessarily mean that the original sample lacked nematodes or other small organisms. The technique primarily captures organisms capable of active movement, so inactive specimens and those strongly attached to material may be underrepresented. Results should therefore be understood as evidence about the recoverable, mobile fraction rather than a complete measure of sample abundance.