Phytochemistry, Biological, and Pharmacological Properties of
Abstract. Abies alba Mill. (Pinaceae), silver fir, is a widespread gymnosperm species in Europe, important for its ecological, economic, social, and cultural significance, as well as for its use for food and bioremediation purposes. The various parts of the plant (leaves, branches, cones, wood, bark) are also of pharmaceutical interest due to ...
Laboratory Mixer Mill MM 400
Mixer mills are frequently used for homogenizing biological samples. The so-called bead beating with small glass beads is an established method for cell disruption of yeasts, microalgae or bacteria. ... The CryoKit is a cost-effective solution for cryogenic sample processing with the Mixer Mill MM 400. The set consists of two insulated ...
Lab Milling and Grinding from Cole-Parmer
Cryogenic mills use liquid nitrogen or other cryogenic gases to cool down the grinding chamber to ultra-low temperatures, typically below -150 °C. This extreme coldness helps in brittle and heat-sensitive materials, such as plastics, rubber, and biological samples, where maintaining sample integrity is crucial.
Tissue Homogenizer | Sample Disruption & Lysis | QIAGEN
Whatever sample type or throughput you work with, there is a QIAGEN sample homogenizer to meet your needs. We have a small footprint low-throughput rotor-stator homogenizer and low- to medium-throughput bead mill, as well as high-throughput bead mill with programmable protocols and custom program cycles.
MRC Labs Sample Mills | From $1,475.97
Product Description. MRC Labs SM series are high power laboratory sample mills with separate stainless steel grind container and high hardness steel blades, making it ideal for grinding tough, dry materials. Use Demonstration. Applications. Typical application for this high power sample grinder include: Material Science: Sample preparation for ...
Bead Mill Basics
Bead mills are one of the most effective methods for processing samples into smaller particle sizes and can be used to process multiple samples simultaneously. Bead mills are used for dispersion processing — they reduce the size of solid particles and disperse them into the …
Evaluation of a Biological Pathogen Decontamination
All samples were negative for E. faecium after 48 h of heating. Both wet chemical cleaning and facility heating but not physical cleaning resulted in substantial E. faecium decontamination. These results confirmed both successful containment and decontamination of biological pathogens in the tested pilot-scale feed mill.
Using Raman spectroscopy to characterize biological materials
Raman microspectroscopy is useful for the analysis of biological samples, because chemical and structural information can be obtained without using labels. This protocol brings together practical ...
Evaluation of a Biological Pathogen Decontamination Protocol
All samples were negative for E. faecium after 48 h of heating. Both wet chemical cleaning and facility heating but not physical cleaning resulted in substantial E. faecium decontamination. These results confirmed both successful containment and decontamination of biological pathogens in the tested pilot-scale feed mill.
A new technical approach for preparing frozen biological …
Cryo-fixation methods, such as high pressure freeze fixation (HPF) representing the state-of-the-art technique for best structural preservation, are not …
What is Biological Oxygen Demand (BOD)? | Wastewater …
Sources of BOD. Sources of biological oxygen demand include leaves and woody debris; dead plants and animals; animal manure; effluents from pulp and paper mills, wastewater treatment plants, feedlots, and food-processing plants; failing septic systems; and urban storm water runoff.. One of the most important nutrients affecting …
Evaluation of Oxidative Stress in Biological Samples Using the
It is often considered a good indicator of the levels of oxidative stress within a biological sample, provided that the sample has been properly handled and stored. The assay involves the reaction of lipid peroxidation products, primarily malondialdehyde (MDA), with thiobarbituric acid (TBA), which leads to the formation of MDA-TBA2 adducts ...
5 Sociological Imagination Examples (With Definition)
Example 3: Common But Differentiated Responsibility. The principle of common but differentiated responsibility (CBDR) is an example of the sociological imagination being applied to the global policy framework by the United Nations. The concept of common but differentiated responsibility (CBDR) is used in the context of climate …
Wastewater treatment using combined biological and
Wastewater treatment using combined biological and constructed wetlands technique in paper mills ... Authority methods. The size of the lab-scale model was designed as length 0.6 m, width 0.4 m, depth 0.3 m. Paper mill wastewater sample both raw and treated effluents were collected from paper mill located at Erode city …
Towards single-cell ionomics: a novel micro-scaled method …
Background: To understand processes regulating nutrient homeostasis at the single-cell level there is a need for new methods that allow multi-element profiling of biological samples ultimately only available as isolated tissues or cells, typically in nanogram-sized samples. Apart from tissue isolation, the main challenges for such …
Ziath
Meticulously managing biological samples for their entire lifespan is a critical and careful set of procedures 1. The biological sample management process begins with an accurate description of protocols the scientific research team will follow from collection to disposal of samples, including the type and amount of samples collected …
Evaluating biological plausibility in supporting evidence for …
Background. Evidence based methods in medicine and other health related fields have emphasized biological plausibility as an important element in assessing the strength of evidence since the work of Bradford Hill 1,2.As noted in a recent review of cancer risks, information on biological plausibility is particularly important as a complement to …
Sample Preparation of Biological Materials
As sample preparation is the primary step of every analytical process, all types of biological samples have to be prepared for …
The bHLH-zip transcription factor SREBP regulates …
Biological samples were freeze-dried by a vacuum freeze-dryer (Scientz-100F). The freeze-dried sample was crushed using a mixer mill (MM 400, Retsch) with a zirconia bead for 1.5 min at 30 Hz.
Biological Instrument Lab Animal Plant Homogenizer Multi Sample …
It has the high-speed vibration function of dry ball mill and wet ball mill, or the function of mixing different sizes, various solid materials, suspensions and pastes. Application direction: Plant tissue Animal tissue Microorganism Food Material Soil.
Sampling and Sample Preparation in Bioanalysis
Gaseous samples (Lawal et al. 2017) are rare and commonly sampled in environmental and classical analytical areas of research, but there are also some gaseous biological samples, like air (Mochalski et al. 2014) that is exhaled from the lungs, used in the bioanalytical field of research.Nitrogen, oxygen, carbon dioxide, argon, and water …
Guide to the Homogenization of Biological Samples
The disruption of samples is an early step in the process of isolation and/or quantifying RNA, DNA, proteins, and analytes. Both chemical and mechanical/physical methods are available for disruption, with chemical methods being preferred for many sample types (e.g., E. coli and cultured cells).
Sample Preparation of Biological Materials
The Mixer Mill MM 400 can be used to easily homogenize the sputum sample; however, since 2 ml vials were used in the past, it was not feasible to process more than 1 ml of each sputum sample. It was not an appropriate procedure to divide the viscous and tough sputum into portions for homogenization as it is a partly infectious material.
Review of molecular techniques for the identification of …
Similarities with and between mills were derived from this dendrogram, i.e., the similarity value of the node where all samples from one mill converge and defines similarity within-mill. Similarity between 16S-RFLP profiles from mills was partially correlated to wood furnish (Baker et al . 2003).
Cyclone Sample Mill
Model 3383N90 and N92 mills are powered by a 3/4-hp, belt-driven, totally enclosed motor for quiet, efficient operation. Model 3383N95 mill has a direct-drive (10,000 rpm, full load) 1/2-hp motor directly coupled to the impeller. Includes three 120 mL sample bottles with snap caps, two hex keys, 0.5 mm screen, antistatic solution and clean-up ...
(PDF) Biological treatment of palm oil mill effluent by using …
biological treatment in an anaerobic (DHS) r eactor (Figure 1) shown the sample i n the input tank. (influent) was fed from the top of the reactor and flowed down through the sponges and ...
What Is a Biological Sample? An Overview
Examples of Biological Specimens from the Human Body. Human biological specimens come in various forms or types, and you might be surprised by the range of materials that qualify. Here is a list of 10 specific examples of biological specimens from the human body. Blood, Plasma, and Serum. Cells (e.g., RBC, WBC, …
Sampling and Sample Preparation in Bioanalysis | SpringerLink
This chapter illustrates some of the most important protocols that are applied for the sampling of gaseous, liquid, semisolid, and solid biological samples. Also, it …
Grinders & Homogenizers
Mills and grinders are used for to break dry or wet samples into smaller particles by grinding, crushing, or cutting. Blades are used in mills to cut up samples into finer particles. Hand-held and bench top homogenizers blend chemical or biological samples thoroughly using various methods. Sonicators are homogenizers that use sound energy to ...
Basic principles of biobanking: from biological samples to …
Fig. 1. Basic principles of biobanking. Information is organized by exploiting the 5Ws' approach (why, what, who, where and when), emphasizing definition, classification systems, key aspects, international standards required for accreditation and infrastructures needed to ensure quality and networking.