Pollen Removal Efficiency
Pollen Removal Efficiency - Related Videos
10:37
Procedure to Evaluate the Efficiency of Flocculants for the Removal of Dispersed Particles from Plant Extracts
0 Views •
Cited by 6 •
2016
The design-of-experiments procedure presented here allows the evaluation of different flocculants in terms of their ability to aggregate dispersed particles in plant extracts, thus reducing turbidity and the costs of downstream processing.
06:34
A Component-resolved Diagnostic Approach for a Study on Grass Pollen Allergens in Chinese Southerners with Allergic Rhinitis and/or Asthma
0 Views •
Cited by 4 •
2017
This work describes a protocol that uses a component-resolved approach to study sensitization to grass pollen allergens in a cohort of patients from southern China with allergic rhinitis and/or asthma.
08:11
Collection and Identification of Pollen from Honey Bee Colonies
0 Views •
Cited by 8 •
2021
We describe methods for collecting corbicular pollen from honey bees as well as protocols for color sorting, acetolysis, and microscope slide preparation of pollen for taxonomic identification. In addition, we present pellet color and taxonomic diversity of corbicular pollen collected from five cropping systems using pollen traps.
06:43
Rotary Evaporation to Remove Solvent
0 Views •
2023
Source: Dr. Melanie Pribisko Yen and Grace Tang — California Institute of Technology Rotary evaporation is a technique most commonly used in organic chemistry to remove a solvent from a higher-boiling point compound of interest. The rotary evaporator, or "rotovap", was invented in 1950 by the chemist Lyman C. Craig. The primary use of a rotovap is to dry and purify samples for downstream applications. Its speed and ability to handle large volumes of solvent make rotary evaporation a preferred...
03:02
Nictitating Membrane Removal: A Surgical Procedure to Remove Nictitating Membrane from Rabbit Eye
0 Views •
2025
In this video, we demonstrate a surgical procedure to remove nictitating membrane from rabbit’s eye.
FAQs
Pollen size and surface properties influence how readily grains are captured, retained, or transported during treatment. These characteristics can change how much pollen remains after processing, even when the same removal approach is applied. Considering grain properties helps researchers interpret differences in measured efficiency and select suitable treatments for filtration, sample cleaning, or contamination control.
A treatment may capture pollen temporarily without retaining it, or it may transport grains away from one location without eliminating them from the broader system. Separating these processes clarifies where pollen is removed and where it may remain. This distinction is important when evaluating whether a method truly reduces pollen abundance rather than merely redistributing the grains.
Removal behavior can differ when pollen is present in air, water, or on a biological surface. Each setting presents a different context for particle capture, retention, and transport, so results from one medium should not automatically represent another. Identifying the medium is therefore essential when comparing treatments or interpreting measurements across biological and environmental studies.
Researchers compare pollen abundance before treatment with abundance after the defined removal process. The change between these measurements provides the basis for judging performance and determining how much pollen the treatment eliminated. Keeping the sampling context and treatment clearly defined makes the comparison more meaningful for filtration studies, sample-cleaning procedures, and environmental controls.
The measure is useful whenever researchers need to evaluate a treatment that reduces unwanted pollen in a sample or environment. Applications include testing filtration systems, assessing sample-cleaning procedures, and examining environmental controls. These measurements help determine whether a chosen process provides adequate reduction for the biological investigation or control strategy being performed.
Pollen removal results can support studies of plant reproduction, pollen dispersal, and allergen exposure by showing how effectively a treatment changes pollen abundance. They also inform strategies for reducing unwanted pollen contamination in biological materials or environmental settings. Interpreting the outcome alongside grain properties and processing conditions helps connect removal performance with the study’s biological objective.