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Description
Lysine Iron AgarLysine Iron Agar Lysine Iron Agar is used for differentiating microorganisms based on L Lysine decarboxylation deamination and the production of hydrogen sulfide. Edwards and Fife developed Lysine Iron Agar to detect Salmonella arizonae. Since this species ferments Lactose rapidly, it was found that hydrogen sulfide production on Triple Sugar Iron Agar was suppressed. By eliminating Lactose and using L Lysine, this medium differentiates enteric
Lysine Iron Agar
Lysine Iron Agar is used for differentiating microorganisms based on L-Lysine decarboxylation/deamination and the production of hydrogen sulfide. Edwards and Fife developed Lysine Iron Agar to detect Salmonella arizonae. Since this species ferments Lactose rapidly, it was found that hydrogen sulfide production on Triple Sugar Iron Agar was suppressed. By eliminating Lactose and using L-Lysine, this medium differentiates enteric bacilli based on their ability to decarboxylate or deaminate this amino acid. Sodium Thiosulfate and Ferric Ammonium Citrate reveal the production of hydrogen disulfide by forming a black precipitate. Bromocresol Purple serves as pH indicator. Organisms that decarboxylate L-Lysine, such as Salmonella spp., produce the alkaline compound cadaverine and the slant remains purple, while those deaminating it, such as Proteus spp., convert this amino acid to α-ketocarboxylic acid and produce a color shift to red. There is a choice of 3 sizes - 500g, 2kg, and 10kg.
PREPARATION: Mix 33 grams of the medium in one liter of purified water until evenly dispersed. Heat with repeated stirring and boil for one minute to dissolve completely. Distribute and autoclave at 121°C for 15 minutes.
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4.4 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
Great Size
Great size. Holds my cell phone, my lipstick, my compact, coin purse, and my key fob with extra room.
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Reviewed in the United States on October 26, 2024
★★★★★ 5
Great fit
Excellent for your cell phone and keys. Not too small or too big . Just right.
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Reviewed in the United States on September 6, 2024
★★★★★ 5
Fantastic
Size: 8.5, Color: Ginger Shortbread
Great shoes!! Look fantastic
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Love Tory sandals BUT
Color is lighter than pictures
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Reviewed in the United States on May 9, 2025
★★★★★ 1
It has to be more wearable at all times, and not worry about having pain in the foot
Size: 7, Color: Walnut, Size: 7, Color: Walnut
I love the style and look 👀 on the outside, but unfortunately, it's not worth $250 for this flip-flop sandal. It cost me a blister just for wearing it for 15 minutes on Thursday afternoon. I want to return it, but I threw the original boxes away.
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Reviewed in the United States on March 30, 2026
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