Other experiments

If the purpose of purification of the phage pellet is to obtain outgrown DNA fragments for subsequent subcloning or to prepare phage two-arms, centrifugation ca

If the purpose of purification of the phage pellet is to obtain outgrown DNA fragments for subsequent subcloning or to prepare phage two-arms, centrifugation ca

Coumarona odoruta was first found in the legume family Coumaraceae, so it is called coumarin, with a special aroma. Coumarins and sugars combined into a glycosi

The most commonly used transformation methods for Saccharomyces cerevisiae are the electrotransformation method and the protoplast method, among which the elect

Saccharomyces cerevisiae, also known as baker's yeast or budding yeast. Saccharomyces cerevisiae is the yeast most widely associated with humans, not only becau

Purified antibodies are often used for direct detection of antigens. In this case the antibody is labeled with an easily identifiable marker for binding and det

The surface of living cells retains a more complete antigen or receptor, first use specific mouse-derived monoclonal antibody to bind to the corresponding antig

Neurospora crassa (2n = 14), also known as red bread mold, taxonomically belongs to the Ascomycetes, coccolithophores, and pulsatilla genera of fungi, and four

The E. coli chromosome is ring-shaped. High-frequency recombinant strains (Hfr) have the F factor integrated into their chromosomes, and the chromosomes of the

Heterozygous in vitro fertilization experimental modeling can be used to: (1) simulate in vivo conditions of male and female gametes from different species of a

Usually transcription occurs in the organism, if we will contain RNA transcriptase, NTP and other conditions, in an in vitro cell-free system, using DNA as a te

The direct dispensing method, first developed by Brown Laboratory of Stanford University, involves arranging trace oligonucleotide fragments, cDNA or proteins,

Viruses with hemagglutinin (HA) can agglutinate human or animal erythrocytes, which is known as hemagglutination phenomenon. Hemagglutination phenomenon can be

Crystallization of proteins using lipid mesoporous membrane proteins can be used to resolve X-ray crystal structures of prokaryotic and eukaryotic proteins, pro

Embryo transfer is a necessary technical means and link in the research and development of embryo biotechnology, such as cloning, transgenic, in vitro fertiliza

Hybridoma cloning is mainly used to (1) clone antibody-positive holes. (2) Separating antibody-secreting cells, antibody-nonsecreting cells, desired antibody (s

When embryo freezing is used to cryopreserve living tissues and cells, the freezing process will likely cause damage to the cells.

Currently gene introduction technology is the main technique for the preparation of ips cells, and the improvement of gene vectors promotes the establishment of

Colloidal solution type liquid pharmaceuticals according to the classification of the dispersion system, including two categories: a class of polymer solutions

Suppositories can be categorized into two types according to their action. One is localized in the lumen; the other is absorbed from the lumen into the bloodstr

Yeast is categorized into two types: natural yeast and artificially cultured yeast. Natural yeasts are wild yeasts that are often attached to the fruit skin. Fr

Dry heat sterilization is the use of high temperatures to sterilize microorganisms by coagulating and denaturing the proteins in their cells. It is used to (1)

Dissolution degree refers to the speed and degree of dissolution of drugs from solid preparations such as tablets or capsules in the specified solvent. However,

Red pigment is a red natural pigment produced by Aspergillus erythropolis during its growth and metabolism. Aspergillus erythropolis is currently the only micro

Membrane agent refers to the membrane preparation made of drug and suitable film-forming material through processing for oral or mucosal external use. The resea

The pH value (pH value) of natural water is mostly in the range of 6 to 9, which is also the pH control range in China's wastewater discharge standards. pH valu

Electrical conductivity (Electric conductivity) is the ability of a solution to conduct an electric current expressed as a number. Pure water has a small conduc

Suspended solid (Sespended solid, abbreviated as SS) refers to the solid material suspended in water, including inorganic and organic matter insoluble in water,

Ammonia nitrogen (NH3-N) is present in water as either free ammonia (NH3) or ammonium salts (NH4"), and the ratio of the two depends on the pH of the water and

Starting with test tube strains, the culture is added by expanding step by step, eventually fermenting Bacillus subtilis using a mechanical mixing tank. Shaking

Turbidity (Turbidity) is caused by the presence of sediment, clay, organic matter, inorganic matter, plankton and microorganisms and other suspended substances

Clean water should be colorless at shallow depths and light blue-green at deeper depths. The presence of humus, mud, plankton, metal ions such as iron and manga

Biochemical oxygen demand (Biochemical oxygen demand, referred to as BOD) refers to the conditions in the presence of oxygen, microbial decomposition of organic

Total suspended particulate (TSP) is particulate matter suspended in the air with an aerodynamic equivalent diameter of ≤100 μm. It originates from solid or l

Permanganate value (Permanganate value) is the amount of potassium permanganate consumed in treating water samples in acidic or alkaline media with potassium pe

This experiment is mainly used to determine dissolved oxygen in water.

Chemical oxygen demand (Chemical oxygen demand, referred to as COD), refers to the amount of oxidant consumed when treating water samples with potassium dichrom

Nitrate in water (Nitrate) is under aerobic conditions, nitrite nitrogen, ammonia nitrogen and other forms of nitrogen compounds in the most stable nitrogen com

Sulphur dioxide is a typical air pollutant among sulphur-containing compounds, which originates from the combustion of fuels such as coal and petroleum, smeltin

The soil sample is digested and the solution is introduced into the atomizer, the metal atoms formed absorb the characteristic electromagnetic radiation, and th

A water sample or an ablated water sample is drawn directly into a flame, and the atomic vapors formed in the flame absorb the characteristic electromagnetic ra

Formaldehyde is a colorless, irritating and water-soluble gas that binds to proteins. Inhalation of high concentrations of formaldehyde can cause severe irritat

Nitric oxides (Nitric oxides) in the air are NO, NO2, N2O, N2O3, N2O4, N2O5, etc., of which NO and NO2 are the main forms. Nitrogen oxides are generally generat

Total solids in water (Total solid, referred to as TS), also known as the total evaporation residue, is in the prescribed conditions, water samples evaporation

Total hardness (Total hardness) is the total concentration of calcium and magnesium ions in water and converted to calcium oxide for calculation. Hardness has a

Chloride ion measurement tests in water can be used to: test the quality of water, which, when high, can damage metal pipes and structures and prevent plant gro

The common valence states of chromium compounds are trivalent and hexavalent. In water bodies, hexavalent chromium generally exists in the form of CrO42-, Cr2O7

When the activated carbon adsorbs impurities in water, adsorption and desorption phenomena will occur at the same time, when the adsorption and desorption are i

Fluoride (F-) is one of the necessary trace elements for human body, and lack of fluoride is prone to dental caries. Fluoride content in water is one of the imp

Microbial cells are small and transparent, not easy to identify under the ordinary optical microscope, they must be stained, so that the stained organisms and t

The experimental method was obtained from the official website of the Fourth Military Medical University

The specimens were drawn into an air-acetylene flame to atomize calcium and magnesium, and the absorption of the 422.7 nm resonance line was chosen to quantify

Colloidal particles in the water are small or charged and stable in the water and difficult to settle, can be added to the coagulant in the water, destroying th

For the food industry, by the environmental impact of the biggest factor is water, while food processing and pollution of the water environment, in order to pre

The experimental method was obtained from the official website of the Fourth Military Medical University

Single and tonic contractions of a muscle can be used to observe the phenomenon of contractile response of a muscle to a stimulus.

For the food industry, by the environmental impact of the biggest factor is water, while food processing and pollution of the water environment, to prevent and

This experiment is from the official website of Parasitology, School of Medicine, Shandong University.

The experimental method was obtained from the official website of the Fourth Military Medical University

This experiment is from the official website of Southern Medical University

After the water sample is filtered and dried at a certain temperature, the solid residue obtained is called total dissolved solids, including non-volatile solub

The level of nitrate and nitrite in food is one of the most important pollutants that affect food quality and jeopardize human health. Its content in food mater

For the food industry, by the environmental impact of the biggest factor is water, while food processing and pollution of the water environment, to prevent and

Fluorine is an essential nutrient for the human body and a toxic pollutant. Fluorine in nature mainly exists in natural minerals such as fluorspar and apatite.

Fluorine is an essential nutrient for the human body and a toxic pollutant. Fluorine in nature mainly exists in natural minerals such as fluorspar and apatite.

The experiment for the determination of nitrate in agricultural products can be used for: (1) detecting the content of nitrate and nitrite in food; (2) as one o

For food raw materials, soil pollution is an important factor affecting the yield, quality and even food safety of raw materials, especially the heavy metal con

The manipulation of Petri plates is necessary for cell experiments such as (1) cell growth (2) cell propagation (3) cell inoculation.

The grouping, labeling and reasonable dyeing of experimental animals are the prerequisites for obtaining good experimental results and conclusions, and are also

Experiments in the preparation of extracellular matrix can be used to (1) study the constituents of the extracellular matrix as well as its physiological charac

1, study the design of acute toxicity test of chemicals, master the determination of LD50. 2. Observe the toxic reaction of phoxim.

Clean and wipe the work area, and then place bottles, pipettes, etc. in the work area. Then, start the preparatory work of preparing the culture medium and othe

The study of the toxic effects of foreign compounds. It is often necessary to determine the concentrations of compounds or their metabolites in the blood, urine

Clean and wipe the work area, place the reagent bottles, pipette, etc., on the bench (Figure 6.5), and make preparations. If necessary. If necessary, flame ste

Many chemical agents and ionic radiation of different nature can cause damage to chromosome integrity, resulting in abnormal chromosome distribution in mitosis

If the purpose of purification of the phage pellet is to obtain outgrown DNA fragments for subsequent subcloning or to prepare phage two-arms, centrifugation ca

Holistic in situ hybridization is a process that allows observation of cellular gene expression (mRNA) in intact organisms. By comparing differences in gene exp

Techniques for optically recording the course of activity of individual viable neurons must be considered in the light of two fundamental questions, namely, wha

Over the last 20 years, the membrane clamp technique has become one of the main research tools in modern electrophysiology. Initially used only to measure singl

Establishing an accurate and reusable neuronal culture model in vitro is of self-evident importance for experimental research in neuroscience. Many research gro

Today, there is a need for more effective methods in the detection of mutations in humans and other organisms caused by environmental toxins and radiation expos

This new generation of sperm F I S H assays has identified multiple paternal risk factors such as age, polypharmacy, lifestyle, and environmental aspects and oc

Genotypes can be assayed by a variety of experimental methods, but assays for haplotype analysis, such as molecular haplotype analysis, are limited. Dependent o

We can reconstruct the S-cell network that initiates the basic respiratory behavior on cultured cells of the freshwater mollusc phylum Cnidaria by using in vitr

Neural cells in the mammalian central nervous system (CNS) are derived from proliferating pluripotent stem cells or precursor cells that migrate, localize, and

Optical recording involves the use of molecular indicators whose optical properties (absorption or fluorescence) vary according to the parameters of cellular ac

Metagenomics provides information on the total genetic structure and functional composition of nondisposing samples of microbial environments without the need t

The precise EMG analysis techniques covered in this chapter recover all available information in the EMG signal.EMG signal analysis consists of two categories:

In physics, any electric current is accompanied by the production of a magnetic field. Ion currents flowing inside the brain and nerves also generate magnetic f

This chapter deals with two main aspects: (i) the methodology for simultaneous recording of EMG and video on normally moving animals, and (ii) the timing and ne

The purpose of this chapter is first to introduce the technique to scientists who wish to use it in a practical way. Secondly, typical examples of the results o

Nuclear transplantation is based on the theory that all nuclei from the same embryo or cell line contain exactly the same genetic information as the fertilized

The techniques discussed in this chapter allow recording under local anesthesia of the activity of cortical and subcortical structures such as the thalamus, bas

Positron emission tomography (PET) is an in vivo functional neuroimaging technique that provides three-dimensional quantitative images of a wide range of physio

This chapter is intended as a practical guide for researchers who need to modify antibodies themselves. It covers common chemical and protein hydrolysis modific

Reverse transcription viruses are well suited to be used as gene introduction tools because of their specific life cycle and ability to integrate efficiently in

The possibility of immune responses against proteins encoded by viral vector backbones limits the application of transgene vectors for in vivo expression. Never

A A V coat peptide display library, error-prone P C R and D N A recombination . A A V serotypes with different histophilicity can be generated by natural mutati

Gene pooping is an experimental tool for targeted alteration of genetic information of a species based on embryonic stem cells (ESCs) and homologous recombinati

This experimental protocol describes several methods for generating complement-stabilized lentiviral vectors either by using fusion packaging proteins containin

Lentiviral vectors based on feline immunodeficiency virus (F IV ) are very useful for mediating integrated transgenesis into non-dividing human cells. This chap

Most hematopoietic cells, including hematopoietic stem cells and terminally differentiated cells such as primary T cells and macrophages, are undifferentiated o

A large number of non-viral systems have been used for nucleic acid delivery to cultured cells in vitro or to specific cells in vivo. They vary considerably in

The natural physiological characteristics of H S V -I include the establishment of a lifelong latent state in neurons, where the viral gene remains a free molec

Fluorescence in situ hybridization (FISH) requires nucleic acid probes, including deoxyribonucleic acid (DNA), ribonucleic acid (RNA), or nucleic acid analogs t

The S T A R System (6 Histidine Labeling and Retargeting) employs a pseudo-receptor and a label for a virus to enable the rescue and amplification of fully reco

Gene gun technology is a fast and simple technique for delivering genes into cells. This technology has many advantages: it allows direct delivery of plasmids w

Polylysine and its copolymers have gained wide application as non-viral gene vectors. Although polylysine itself is toxic to cells, the covalent attachment of p

It mainly describes the methods used to recover infectious influenza viruses from cDNA clones. These techniques are widely used in the integration and expressio

Biodegradable nanoparticles are colloidal particles, typically around IOOnm in diameter, which can be prepared from biodegradable polymers such as polylactic ac

Non-viral vector plasmid DNA can be delivered to the human brain via the vascular route across the blood-brain barrier by intravenous injection of DNA encapsula

Efficient delivery of ΦC31 integrase and donor plasmids to recipient tissues or cells of interest remains the most challenging element of this integrative syst

This chapter describes the use of lentiviral vectors to transfer genes and small interfering RNA (siR N A ) expression cassettes to preimplantation crystalline

A technique for preparing transgenic mice by prokaryotic microinjection is described. Prokaryotic microinjection, which involves the injection of DNA into haplo

The mifepristone-induced gene regulatory system (M I G R S ) is a system for regulating rake gene expression through the antiprogesterone drug, mifepristone (M

In proteomics research, a key step in all enrichment techniques is the subcellular fractionation, which is particularly important for the analysis of intracellu

Proteins are diverse in nature, which makes it challenging to express and purify proteins using parallel methods. Parallel methods can especially be applied whe

Summarizes the application areas of IMAC, including protein hierarchical separation and proteomics, protein fixation and detection, as well as some special appl

Hydrophobic interaction chromatography (HIC) is a valuable tool in protein purification technology. HIC is used for protein purification on a wide range of scal

Describes the methods used to isolate the oxygen-sensitive iron-sulfur protein FNR in the laboratory. Authors: Burgess et al., Translator: Chen Wei, this experi

The S D S -- P A G E methods presented in this book will fulfill the needs of most applications in this field. Authors: Burgess et al, Translator: Chen Wei, Thi

The size or apparent atomic mass of proteins is perhaps the most common way of distinguishing the nature of a molecule. As a basis for many separation methods,

Membrane proteins provide the appropriate molecular mechanisms that allow the controlled entry of useful molecules into the cell and permit the export of intrac

Source: Laboratory Guide to Proteins and Proteomics

IMVIC is an acronym for four tests: indol test, methyl red test, Voges-Prokauer test and citrate test. i is added in English for ease of pronunciation. These fo

Teratocarcinomas are structurally diverse tumors that typically consist of a series of differentiated cell types that form a teratoma and a population of stem c

This chapter focuses on embryonic germ cells (E G C ) and aims to provide a series of experimental protocols that can be utilized to understand the relationship

DNA sequencing is divided into manual sequencing and automated sequencing, and manual sequencing includes the Sanger double deoxy chain termination method and t

DNA is hydrolyzed by a weak acid (1 mol/L HCl), and the bonds between the purine bases on it and the deoxyribose sugar are opened, causing the formation of free

Liquid Nitrogen Milling for Applications Related to Deoxyribonucleic Acid (DNA) Isolation

Telomeres are specific DNA-protein structures at the ends of eukaryotic chromosomes, and telomeric DNA is a series of repetitive G-rich DNA sequences, which are

The reason why some plants are more difficult to extract high-quality RNA is related to a number of components enriched in these tissues, commonly phenolic comp

Heterodimeric expression of Oct4, Klf4, Sox2, and c-Myc transcription factors enables reprogramming of mouse somatic cells to induce functional stem cells. (1)

Cross-linking of the initially purified SPA with HRP by sodium periodate oxidation (cross-linking reaction time at 22°C for 5h) gives PPA.

X-ray diffraction is an extremely important method for determining the crystal structure of proteins. Biomolecule X-ray crystallography is the science of reveal

A probe that has obtained mRNA from the transcription of the corresponding gene, which is then obtained by reverse transcription, is called a cDNa probe (cDNa p

The constructed psj-EGFR vector was transfected into A549 cells using Lipofeetamine2000, and real-time quantitative fluorescence PCR, immunofluorescence and flo

The mitogen-activated protein kinase (MAPK) signaling pathway is a signaling pathway that is widely present in various cells and consists of a set of cascade-ac

Methylation-Specific PCR (MS-PCR) is a new method developed by Herman et al. (1996) based on the use of bisulfite treatment. This method is highly sensitive and

Extracellular signals are received by receptors and delivered to AC via Gs or Gi to activate or inhibit it; AC is activated to produce cAMP, which activates PKA

Food factories require that the pH value of wastewater discharged be between 6.5 and 8.5. In the production process of fruit and vegetable sweat drink factories

Environmental metabolomics is a branch of metabolomics that focuses on the metabolic changes of organisms in response to environmental stress. Because this appr

Feeder cells are necessary for embryonic-derived stem cells including embryonic cancer cells (EC), embryonic stem cells (ES), and primordial germ cells (EG) to

A modification of the standard method for RNA preparation from mammalian tissues and Drosophila that focuses on rapid lysis of Juniperus communis and homogeneou

Most cell lines grow best at pH 7.4, with little variation between cell lines; however, some normal fibroblast cell lines grow best at pH 7.4 to 7.7. However, s

Vacuolar viruses (FV) are non-pathogenic retroviruses that efficiently and safely transfer genes to different types of cells in different species. These viruses

Currently, the life cycle and biology of adenovirus (A d ) infected cells have been well characterized. In A d virus infection and transgene expression, there a

Provides some methods on how to use the miniature SIV packaging system and SIV gene transfer vectors to obtain high titer and safe lentiviral vectors developed

This chapter describes methods for expressing multiple proteins from a single readable frame by using 2A polypeptide-linked polycis-trans vectors. When these sm

Lentiviral vectors can be designed as replication-incomplete or replication-condition-dependent (motile) vectors. HIV-2 vectors are more effective in gene thera

Gene therapy refers to the suppression, replacement or supplementation of defective genes at the genetic level through the regulation of the expression of targe

Hematopoietic stem cell transplantation is an effective treatment for malignant hematological disorders, oncological radiotherapy and severe radiation sickness

Cloning of virus-producing cells by infection with a helper virus, stable virus-producing cell lines containing and genes, and r A A V (recombinant adeno-associ

This chapter describes how to construct H S V /A A V heterotrimeric vectors using an unassisted viral packaging system, and also discusses its advantages and di

Nuclear extracts from baculovirus-infected insect cells of the meadow moth (Sf9 ) encode the major capsid protein (V P l ) of simian virus 40 (S V 4 0 ). In the

Small R N A viruses comprise a large group of small, pod-less, positive-sense single-stranded R N A viruses. Small R N A viruses have a rapid life cycle that ta

Functional vascular mapping of tissue-specific and angiogenesis-related receptors has been more widely promoted and optimized by isolation of receptors, cell li

This chapter describes in detail the preparation, amplification and large-scale production of helper virus-dependent adenoviral vectors (H D A d ) for use in ge

This chapter describes how to construct H S V /A A V heterotrimeric vectors using an unassisted viral packaging system, and also discusses its advantages and di

Two types of surface modifications have been made to lentiviral vectors in order to achieve target gene translocation: (i) taking advantage of the targeting pro

The introduction of genes into the embryo has been successfully achieved by a new technique of electroporation of the chicken embryo. In contrast, since the mam

In order to improve the efficiency of transduction, a strategy called pseudotyping, which combines retroviral particles with other virally encoded capsid protei

Electrotransfection can be used for studies of gene function, promoter activity, and gene regulation; it can also be used to create transgenic or knockout embry

Because of their genetic simplicity, phages are commonly used in vector genetic optimization approaches for therapeutic gene transfer. In addition, since phage

Foamy virus (F V ), or spumavirus, is a nonpathogenic retrovirus developed as an integrating viral vector. Several potential advantages of F V vectors include a

The use of DNA/phosphorothioate (CAPO 4) co-precipitation to transfect cells is a widely described method. Although this co-precipitation method was proposed mo

This chapter describes the detailed experimental procedure for encapsulation of nucleic acids by nanolipid particles (N L P ). This N L P carries a polyethylene

This chapter describes the construction of a fusion-mediated vector based on inactivated H V J (hemagglutinating virus of Japan, also known as Sendaivirus). The

Nanoparticles of P E G-coated poly(L-lysine) and D N A are water-soluble, stable in saline and tissue fluids, transfect undivided cells (Liu et al. 2003), show

P E I Due to its polycationic nature, it and negatively charged D N A molecules form nanoparticles through electrostatic interactions, which further help D N A

Solid lipid nanoparticles (S L N ) have many technical advantages over gene carriers such as cationic liposomes and cationic polymers. However, in the absence o

Water-soluble lipopolymers and lipopeptides are a class of nonviral gene vectors that combine the increased permeability of lipid materials to cell membranes by

The core of gene therapy research lies in the development of suitable delivery systems. Although most clinical experiments currently utilize viral carrier syste

The capsid fusion G protein of vesicular stomatitis virus (VSV-G) can be used to prepare pseudotyped retroviruses and pseudolentiviruses, and this glycoprotein

The development of a safe and effective gene delivery system is a prerequisite for the success of clinical gene therapy. Despite the high transfer efficiency of

Linear polyethyleneimine (L P E I ) is a very effective transfection reagent suitable for large numbers of cell lines and primary cells, and it is equally suita

Polycations are an effective class of non-viral gene delivery vectors. These vectors vary in molecular mass, chemical structure, polymer/DNA ratio, and molecula

Nanoparticles combining polylactic acid-hydroxyglycolic acid (PLGA) and polyethylene glycol (PEG) derivatives have been used as gene carriers for mucosal permea

A method for efficient delivery of pol III-driven SHRNA expression frames using the Sleeping Beauty (SB) transposon. Advantages of this system include its ease

Natural polysaccharides are being extensively studied as carriers for gene delivery. The non-inflammatory and non-immunogenic nature of hyaluronic acid (H A ) i

The acoustic pore effect may not be applicable to the introduction of genes into tissues with lumen-forming or open structures. Acoustic pore effects on neural

Successful gene transfer requires efficient transport and long-term presence of exogenous genes in order to maintain physiologically relevant and appropriately

Site-specific knockout and non-toxic DNA delivery technologies are particularly important in the study of protein function and as a means for future therapies.

Transferring genes into cells and expressing new proteins, or in this way altering the expression levels of endogenous proteins, can modulate the physiological

Introduction by microinjection can be used for any type of adherent cell, including primary cells. Since siRNA for any target gene can be obtained simply and ra

The RheoSwitch system is an efficient gene regulatory system based on the ecdysone receptor, which is activated by synthetic small molecule ligands. The recepto

Among the various viral and non-viral means commonly used for nucleic acid transport and gene expression in animal cells, the naked plasmid D N A technique has

Functional genomic research using R N A interference techniques (R N A i ) has been carried out extensively in recent years.R N A i is the newest and most succe

Photochemical internalization (P C I ) allows efficient transfection by a mechanism whereby light is directed to disrupt endocytosis vesicles in cells (Berg et

Magnetotransfection is defined as the delivery of nucleic acids or nucleic acid carriers by magnetic particles mediated by magnetic forces. The carriers can be

While concentrating the sample, nucleic acids can be removed and the target protein can be enriched to a certain extent. We have found a remarkable resin, Affi-

The study of both E S and E C cell differentiation has facilitated the development of experimental techniques. E S cells are very sensitive to differentiation i

The Blood-Brain Barrier (BBB) is a highly specialized biological barrier composed of microvascular endothelial cells, basement membranes, and surrounding astroc

As a phage-derived enzyme, endolysin is essentially a protein molecule that assists in the release of phage particles from the bacterial host by breaking down t

Virulence indicates the strength of a pathogen's ability to cause disease, and the substances that make up bacterial virulence are called virulence factors, mai

Spot hybridization (dotblot) is a technique for detecting, analyzing, and characterizing DNA, RNA, and proteins, and determines whether or not there is hybridiz

Chromatin accessibility is also commonly understood as the degree to which chromatin is open.The replication of DNA, as well as its transcription, requires that

DNA damage

Describes several methods used to generate and differentiate cardiomyocytes differentiated from hESC, which are as effective as the methods used to isolate card

None

Evans blue staining is of very wide use in in vivo experiments in small animals involving the cardiovascular system, nervous system, skeletal muscle system and

None

Fluorescence in situ hybridization (FISH) is an emerging molecular cytogenetic technology, a non-radioactive in situ hybridization technique developed on the ba

Mouse genotyping with mouse tail or toe or tissue

Fluorescent Immunoassay (FIA) is an analytical technique based on antibody-antigen specific recognition to detect and quantify mobile target molecules by fluore

Ring-mediated thermostatic amplification refers to the technique of nucleic acid amplification in a short period of time by using four specific primers at 60~65

None

Isothermal Titration Calorimetry (ITC) is a commonly used biophysical experimental technique to study the interactions between biomolecules by measuring the pro

None

NO (Nitric Oxide, NO) is widely distributed in living organisms, including the nervous, circulatory, respiratory, digestive, urogenital and other systems, espec

Evans Blue staining is widely used in in vivo experiments in small animals to study diseases of the cardiovascular system, nervous system, and skeletal muscle s

A certain amount of tumor cells were injected subcutaneously into nude mice with congenital immunodeficiency to form tumors, thus observing the development of t

Preparation of dsRNA

Mouse SOD was determined by enzyme-linked immunosorbent assay (ELISA). By double-antibody one-step sandwich method, in a 96-well plate coated with SOD antibody,

Silver hexamine staining is also known as (Periodic-acid silver methenamine) PASM staining. The specimen is oxidized by periodate, which exposes the aldehyde gr

Mouse ex vivo cardiac perfusion is a commonly used physiologic experiment to assess physiologic function and drug effects in the mouse heart. The experiment sim

The Kjeldahl method is a commonly used chemical analytical method for determining the nitrogen content of organic and inorganic samples. It was originally inven

As a phage-derived enzyme, endolysin is essentially a protein molecule that assists in the release of phage particles from the bacterial host by breaking down t

HIV drug resistance testing can be phenotypic or genotypic testing, genotypic testing is the most commonly used testing method, the method is mainly through the

Cell irradiation refers to the process of irradiating cells with ionizing rays such as X-rays, B and y-rays.

The B16F10 melanoma subcutaneous hormonal model is simple to operate, low cost, reproducible, and has a relatively short experimental period, making it a common