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公司竭誠為廣大科研用戶提供Z全面,*質,價格*優勢的蔗糖胰蛋白胨肉湯,免費提供為您提供全程技術指導,解決您的后顧之憂。
蔗糖胰蛋白胨肉湯incubation media 酪胨-*-吐溫20液體培養基基礎 250(g)
incubation media 腸球菌培養基基礎(疊氮鈉-結晶紫-七葉苷瓊脂) 250(g)
incubation media 擬桿菌選擇性培養基基礎(改良GAM瓊脂基礎) 250(g)
incubation media 去氧膽酸鹽檸檬酸鹽瓊脂 250(g)
產品名稱:蔗糖胰蛋白胨肉湯
英文名稱:Sucrose tryptone broth
規格:250g/瓶
作用:用于致病性嗜水氣單胞菌的斑點 酶聯免疫試驗
型號:FS-PYJ0348
使用范圍:僅供科研使用
庫存:提供現貨(因銷量問題庫存會有變動,具體請與銷售人員確認)
保存:低溫避光保存
的步驟:
(一)準確稱量試劑:根據不同的菌類和用途,選擇適宜的培養基,培養基所需試劑必須純凈。(二)校正pH值:將稱量好的培養基各種成分放入容器內,標記劃線,加熱溶解,補充水分,測定酸堿度,常用pH6.8~8.0的精密試紙或酸度計測定。用1N NaOH和1N HCl調節pH值到適宜范圍內。(三)過濾:將玻璃漏斗置鐵架上,再用紗布夾棉花或用濾紙放在漏斗中,將上述培養基倒入其中過濾至透明。
(四)分裝:將過濾后的培養基分裝于中試管或三角瓶內(試管內每支裝5mL;三角瓶中裝100~150ml),塞好棉塞用牛皮紙包扎好,準備滅菌。
(五)滅菌:培養基的滅菌,常用高壓蒸汽滅菌法。一般微生物的營養細胞在水中煮沸后即被殺死,但細菌的芽胞有較強的抗熱性,須經高壓蒸汽滅菌才能達到*滅菌的目的。根據蒸汽溫度隨壓力升高而上升的原理,即壓力越大,蒸汽溫度就越高。因此,在同一溫度條件下,采用高壓蒸汽滅菌比干熱滅菌法效果要好。而且在濕熱情況下,菌體吸收水分后,其蛋白質易于凝固變性,因為蒸汽的穿透力強,殺菌效果好。
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