CN108310441A - 一种改善手机屏幕表面菌群的方法 - Google Patents

一种改善手机屏幕表面菌群的方法 Download PDF

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CN108310441A
CN108310441A CN201710037884.1A CN201710037884A CN108310441A CN 108310441 A CN108310441 A CN 108310441A CN 201710037884 A CN201710037884 A CN 201710037884A CN 108310441 A CN108310441 A CN 108310441A
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mobile phone
phone screen
screen surface
probiotics
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李大力
杨成丽
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Nanjing University of Science and Technology
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L12/00Methods or apparatus for disinfecting or sterilising contact lenses; Accessories therefor
    • A61L12/08Methods or apparatus for disinfecting or sterilising contact lenses; Accessories therefor using chemical substances
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N1/00Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
    • C12N1/14Fungi; Culture media therefor
    • C12N1/16Yeasts; Culture media therefor
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N1/00Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
    • C12N1/20Bacteria; Culture media therefor
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N1/00Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
    • C12N1/20Bacteria; Culture media therefor
    • C12N1/205Bacterial isolates
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0279Improving the user comfort or ergonomics
    • H04M1/0283Improving the user comfort or ergonomics for providing a decorative aspect, e.g. customization of casings, exchangeable faceplate
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/21Combinations with auxiliary equipment, e.g. with clocks or memoranda pads
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12RINDEXING SCHEME ASSOCIATED WITH SUBCLASSES C12C - C12Q, RELATING TO MICROORGANISMS
    • C12R2001/00Microorganisms ; Processes using microorganisms
    • C12R2001/01Bacteria or Actinomycetales ; using bacteria or Actinomycetales
    • C12R2001/07Bacillus

Abstract

本发明公开了一种改善手机屏幕表面菌群的方法。所述方法以益生菌和/或益生元为功能成分,所述的功能成分可由一种或多种益生菌混合组成,也可以由一种或多种益生元混合组成,还可以由益生菌和益生元混合组成,功能成分中各组分可按任意比例混合,通过喷洒或涂抹,使功能成分散布于手机屏幕表面。本发明方法能够直接或间接改变手机屏幕表面菌群的构成,有效改善手机屏幕表面微生物生态,减少手机屏幕表面致病菌数量,实现手机屏幕的有效清洁。

Description

一种改善手机屏幕表面菌群的方法
技术领域
本发明涉及一种改善手机屏幕表面菌群的方法,属于微生物生态领域。
背景技术
手机是日常生活中必备的电子设备,使用人数众多,使用频率高,使用场所各种各样。经调查发现,手机屏幕上细菌量数量和种类各异(Journal of Microbiology&BiologyEducation,13,59-61,2012)。手机屏幕是人们使用手机时与人体表面接触最多的地方,因此手机屏幕容易成为致病菌的传播途径。现在的对策是对手机屏幕进行清洁,主要方式是采用化学品制成的液晶屏清洁剂或者直接用酒精进行擦拭(中国专利201510721261.7),虽然这样的方法可以短暂的清除手机屏幕上的细菌及污渍,但是其弊端是效果短暂且可能造成超级细菌和耐杀菌剂菌,还可能损坏手机或使手机屏幕上的划痕更加清晰。
在微生物长期进化过程中,通过自然选择和适应,不同种类微生物之间处于动态平衡状态,形成一个相互制约的生态系统。在生态学理论的指导下,可以使用非致病的正常微生物占据生态位的方法来减少致病微生物的生长,从而减少人们接触致病微生物的概率。现在,可以增强机体免疫、抵抗疾病的益生菌为人们所关注,目前被广泛认可的益生菌包括地衣芽孢杆菌、枯草芽孢杆菌、纳豆芽孢杆菌、乳酸菌、双歧杆菌、酵母菌等;益生元是指选择性的刺激有益菌群生长的食品成分,主要包括水苏糖、菊粉、低聚异麦芽糖、低聚木糖、低聚果糖、低聚半乳糖、大豆低聚糖、低聚乳果糖等。
发明内容
针对现有的手机屏幕清洁技术存在的不足,本发明提供了一种改善手机屏幕表面菌群的方法,该方法以益生菌和/或益生元为功能成分,通过将功能成分喷洒或涂抹在手机屏幕,直接或间接改变手机屏幕表面菌群的构成,改善了手机屏幕表面微生物生态,有效抑制手机屏幕表面的致病菌数量。
本发明的技术方案如下:
一种改善手机屏幕表面菌群的方法,将至少一种益生菌和/或益生元喷洒或涂抹至手机屏幕表面。
本发明以益生菌和/或益生元为功能成分,所述的功能成分可由一种或多种益生菌混合组成,也可以由一种或多种益生元混合组成,还可以由益生菌和益生元混合组成,功能成分中各组分可按任意比例混合。
所述的益生菌包含但不限于纳豆芽孢杆菌、乳酸菌和酵母菌。
所述的益生菌可以是菌体或芽孢。
所述的益生元包含但不限于水苏糖、菊粉、低聚异麦芽糖、低聚木糖、低聚果糖、低聚半乳糖、大豆低聚糖和低聚乳果糖。
本发明以益生菌和/或益生元为功能成分,通过喷洒或涂抹,使功能成分散布于手机屏幕表面,直接或间接改变手机屏幕表面菌群的构成,有效改善了手机屏幕表面微生物生态,减少了手机屏幕表面致病菌数量,实现了手机屏幕的有效清洁。
附图说明
图1为正常使用的手机屏幕表面(a)和实施例1中涂抹纳豆芽孢杆菌液后再正常使用4小时后的手机屏幕表面微生物培养结果图(b)。
图2为正常使用的手机屏幕表面(a)和实施例2中涂抹纳豆芽孢杆菌和菊粉混合液后再正常使用4小时后的手机屏幕表面微生物培养结果图(b)。
具体实施方式
本发明中益生菌包括但不限于地衣芽孢杆菌、枯草芽孢杆菌、纳豆芽孢杆菌、乳酸菌、双歧杆菌、酵母菌等;益生元是指选择性的刺激有益菌群生长的食品成分,包括但也不限于水苏糖、菊粉、低聚异麦芽糖、低聚木糖、低聚果糖、低聚半乳糖、大豆低聚糖、低聚乳果糖等。下面结合实施例和附图对本发明作进一步详细说明,但实施例并不限制本发明的保护范围。
实施例1
称取0.05克纳豆芽孢杆菌,加入200毫升无菌水中,摇匀后,使用无菌棉球蘸取,涂抹于手机屏幕表面。
将正常使用的手机(iPhone 6plus)屏幕表面与牛肉膏蛋白胨琼脂培养基表面接触10秒钟,然后移去手机,使手机屏幕表面与牛肉膏蛋白胨琼脂培养基表面脱离接触,将该培养基置于30摄氏度培养48小时后,用相机拍照,图1(a)为正常使用的手机屏幕表面微生物培养结果,可看出菌群复杂。牛肉膏蛋白胨琼脂培养基的成分为胰蛋白胨10克/升、牛肉膏0.3克/升、氯化钠0.5克/升、琼脂粉1.5克/升,pH值为7.2。
将涂抹纳豆芽孢杆菌液后再正常使用4小时后的手机屏幕表面与牛肉膏蛋白胨琼脂培养基表面接触10秒钟,然后移去手机,使手机屏幕表面与牛肉膏蛋白胨琼脂培养基表面脱离接触,将该培养基置于30摄氏度培养48小时后,用相机拍照,图1(b)为涂抹纳豆芽孢杆菌液后再正常使用4小时后的手机屏幕表面微生物培养结果,可看出菌群单一。
实施例2
称取0.05克纳豆芽孢杆菌、0.05克菊粉,混合后加入200毫升无菌水中,摇匀后,摇匀后对手机屏幕表面喷雾。
将正常使用的手机(华为PLK-AL10)屏幕表面与牛肉膏蛋白胨琼脂培养基表面接触10秒钟,然后移去手机,使手机屏幕表面与牛肉膏蛋白胨琼脂培养基表面脱离接触,将该培养基置于30摄氏度培养48小时后,用相机拍照,图2(a)为正常使用的手机屏幕表面微生物培养结果,可看出菌群复杂。
将涂抹纳豆芽孢杆菌和菊粉混合液,再正常使用4小时后的手机(华为PLK-AL10)屏幕表面与牛肉膏蛋白胨琼脂培养基表面接触10秒钟,然后移去手机,使手机屏幕表面与牛肉膏蛋白胨琼脂培养基表面脱离接触,将该培养基置于30摄氏度培养48小时后,用相机拍照,图2(b)为涂抹纳豆芽孢杆菌和菊粉混合液后再正常使用4小时后的手机屏幕表面微生物培养结果,可看出菌群单一。
实施例3
称取0.05克乳酸菌,加入200毫升无菌水中,摇匀后,使用无菌棉球蘸取,涂抹于手机屏幕表面。
实施例4
称取0.05克酵母菌,加入200毫升无菌水中,摇匀后,使用无菌棉球蘸取,涂抹于手机屏幕表面。
实施例5
称取0.05克纳豆芽孢杆菌和0.05克酵母菌,加入200毫升无菌水中,摇匀后,使用无菌棉球蘸取,涂抹于手机屏幕表面。
实施例6
称取0.05克乳酸菌和0.05克低聚异麦芽糖,加入200毫升无菌水中,摇匀后,使用无菌棉球蘸取,涂抹于手机屏幕表面。
实施例7
称取0.05克菊粉和0.05克低聚异麦芽糖,加入200毫升无菌水中,摇匀后,使用无菌棉球蘸取,涂抹于手机屏幕表面。
实施例8
称取0.05克菊粉和0.05克低聚果糖,加入200毫升无菌水中,摇匀后,使用无菌棉球蘸取,涂抹于手机屏幕表面。
实施例3~8中经益生菌和/或益生元涂抹手机屏幕表面后,微生物培养结果均显示菌群单一。

Claims (4)

1.一种改善手机屏幕表面菌群的方法,其特征在于,将至少一种益生菌和/或益生元喷洒或涂抹至手机屏幕表面。
2.根据权利要求1所述的改善手机屏幕表面菌群的方法,其特征在于,所述的益生菌选自纳豆芽孢杆菌、乳酸菌或酵母菌。
3.根据权利要求1或2所述的改善手机屏幕表面菌群的方法,其特征在于,所述的益生菌为菌体或芽孢。
4.根据权利要求1所述的改善手机屏幕表面菌群的方法,其特征在于,所述的益生元选自水苏糖、菊粉、低聚异麦芽糖、低聚木糖、低聚果糖、低聚半乳糖、大豆低聚糖或低聚乳果糖。
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Application publication date: 20180724