Preparation and Transformation of Competent E. coli Using Calcium Chloride

Genomic DNA of C. jejuni 81-176 was isolated according to the protocol described by He (2011). Competent E. coli DH5α cells were prepared and transformed by routine heat-shock transformation ...

Properties of Calcium Chloride

When calcium carbonate or calcium oxide is dissolved in hydrochloric acid, this compound is produced. Calcium chloride is obtained on a large scale as a byproduct of the Solvay process or the ammonia-soda process. In this process, when calcium carbonate reacts with sodium chloride, sodium carbonate and calcium chloride are formed.

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Calcium chloride Facts for Kids | KidzSearch

Calcium chloride facts. Calcium chloride is a chemical compound made of calcium and chlorine atoms. It has the formula of CaCl2. It absorbs water from the air and releases heat when it is dissolved in water. It is used as a de-icer on roads to melt the ice. It can be formed by mixture of calcium oxide with hydrochloric acid, but this produces a version …

Calcium Chloride: Indications, Side Effects, Warnings

If you are allergic to calcium chloride; any part of calcium chloride; or any other drugs, foods, or substances. Tell your doctor about the allergy and what signs you had. If you have any of these health problems: Breathing problems, high calcium levels, or low calcium levels caused by kidney problems. If you ...

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Calcium: What It Does and How Much You Need

Calcium is an essential mineral that is the key to healthy bones and teeth. How much calcium you need per day depends on your age and assigned at birth.

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Calcium chloride can absorb moisture and prevents bacteria from growing on a particular surface. That's why calcium chloride is used in foods to keep them fresh for a longer period of time. Calcium chloride can keep fruits and vegetables fresh and prevent decay due to the temperature variance and help retain the firmness.

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This modified method, improved from a classical protocol, has made some modifications on the concentration of calcium chloride and competent bacteria solution, rotation speed in centrifugation and centrifugation time. It was found that the optimal transformation efficiency were obtained when the concentration of CaCl 2 was 75 …

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Calcium chloride: Uses, Interactions, Mechanism of Action

Generic Name Calcium chloride DrugBank Accession Number DB01164 Background. Calcium chloride is an ionic compound of calcium and chlorine. It is highly soluble in water and it is deliquescent.

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Preparation and Transformation of Competent E. coli Using Calcium Chloride

Preparation and Transformation of Competent E. coli Using Calcium Chloride CSH Protoc. 2006 Jun 1;2006(1):pdb.prot3932. doi: 10.1101/pdb.prot3932. Authors Joseph Sambrook, David W Russell. PMID: 22485377 DOI: 10.1101/pdb.prot3932 No abstract available ...

Calcium Chloride (CaCl₂)

Calcium chloride is a widely used inorganic compound in chemistry, recognized by its chemical formula CaCl₂.It appears as a white, crystalline substance at room temperature and is highly soluble in water. This compound is essential in various applications, including road deicing, dust control on roads, and as a drying agent in …

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Chemically Competent E. coli preparation using calcium …

Chemically Competent E. coli preparation using calcium chloride 1. Pick a single colony from a plate of E. coli and inoculate 3 mL of LB medium in 15 mL sterile tube. Incubate the culture overnight at 37 C, 220 rpm. 2. The next day, take 1 mL of the starter culture and inoculate 100 mL (1% v/v) of LB medium in a 500 mL Erlenmeyer flask.

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