Description:
FIELD OF THE INVENTION
[001] The present invention relates to the field of microbial cultures in a glass Test tube having a filtered cap, and more particularly, the present invention relates to the glass test tube with a filter cap to facilitate microbial culture growth. The procedure is useful for growing the microbial culture on a microbiological growth medium in a test tube with a filtered cap, which allows the exchange of gases/vapors while maintaining aseptic conditions.

BACKGROUND FOR THE INVENTION:
[002] The following discussion of the background to the invention is intended to facilitate an understanding of the present invention. However, it should be appreciated that the discussion is not an acknowledgment or admission that any of the material referred to was published, known, or part of the common general knowledge in any jurisdiction as of the priority date of the application. The details provided herein the background if belongs to any publication is taken only as a reference for describing the problems, in general terminologies or principles or both of science and technology in the associated prior art.
[003] The glass test tube with filter cap has been designed to overcome the drawbacks associated with the use of cotton plugs and to maintain the aseptic conditions while handling microbial cultures.
[004] In routine, cotton plugs are used to seal the mouth of test tubes containing microbial cultures. Though microbiologists widely use cotton plugs throughout the country, their making requires the time and effort of laboratory personnel, making it a tedious process. The usage of cotton plugs increases the risk of contamination of the microbial cultures. Moreover, improperly rolled cotton plugs or tightly fixed cotton plugs human error) might lead to limited oxygen supply to the cultures.
[005] In light of the foregoing, there is a need for the Glass test tube with a filter cap to facilitate microbial culture growth that overcomes problems prevalent in the prior art.

OBJECTS OF THE INVENTION:
[006] Some of the objects of the present disclosure, which at least one embodiment herein satisfies, are as follows.
[007] The principal object of the present invention is to overcome the drawbacks associated with the use of cotton plugs and to maintain the aseptic conditions while handling microbial cultures by providing a glass test tube with a filter cap to facilitate microbial culture growth.
[008] An object of the present invention is to provide a Glass test tube with a filter cap to facilitate microbial culture growth that allows the exchange of gases/vapors while maintaining aseptic conditions.
[009] Another object of the present invention is to provide the Glass test tube with a filter cap to facilitate microbial culture growth that reduces the risk of contamination of the microbial cultures.
[010] Other objects and advantages of the present disclosure will be more apparent from the following description, which is not intended to limit the scope of the present disclosure.

SUMMARY OF THE INVENTION:
[011] The present invention provides Glass test tube with a filter cap to facilitate microbial culture growth.
[012] In one aspect of the present invention, the test tube includes two parts: a main body and a cap. The main body is made of a glass test tube. The cap is fitted with a filter.
[013] In another aspect of the present invention, the cap has threads on the inner wall that are compatible with the threads on the outer wall of the glass test tube mouth. It is further fitted with a 0.4µm filter to facilitate sterile gaseous exchange.
[014] In another aspect of the present invention, the material of the test tube is glass.
[015] In another aspect of the present invention, the material of the cap is polypropylene.
[016] In another aspect of the present invention, the filter is 0.4 µm PTFE membrane (Polytetrafluoroethylene).

BRIEF DESCRIPTION OF DRAWINGS:
[017] Reference will be made to embodiments of the invention, examples of which may be illustrated in accompanying figures. These figures are intended to be illustrative, not limiting. Although the invention is generally described in the context of these embodiments, it should be understood that it is not intended to limit the scope of the invention to these particular embodiments.
[018] Figure 1: Schematic representation of the glass test tube with a filter cap.

DETAILED DESCRIPTION OF DRAWINGS:
[019] While the present invention is described herein by way of example using embodiments and illustrative drawings, those skilled in the art will recognize that the invention is not limited to the embodiments of drawing or drawings described and are not intended to represent the scale of the various components. Further, some components that may form a part of the invention may not be illustrated in certain figures, for ease of illustration, and such omissions do not limit the embodiments outlined in any way. It should be understood that the drawings and the detailed description thereto are not intended to limit the invention to the particular form disclosed, but on the contrary, the invention is to cover all modifications, equivalents, and alternatives falling within the scope of the present invention as defined by the appended claim.
[020] As used throughout this description, the word "may" is used in a permissive sense (i.e. meaning having the potential to), rather than the mandatory sense, (i.e. meaning must). Further, the words "a" or "an" mean "at least one” and the word “plurality” means “one or more” unless otherwise mentioned. Furthermore, the terminology and phraseology used herein are solely used for descriptive purposes and should not be construed as limiting in scope. Language such as "including," "comprising," "having," "containing," or "involving," and variations thereof, is intended to be broad and encompass the subject matter listed thereafter, equivalents, and additional subject matter not recited, and is not intended to exclude other additives, components, integers, or steps. Likewise, the term "comprising" is considered synonymous with the terms "including" or "containing" for applicable legal purposes. Any discussion of documents, acts, materials, devices, articles, and the like are included in the specification solely for the purpose of providing a context for the present invention. It is not suggested or represented that any or all these matters form part of the prior art base or were common general knowledge in the field relevant to the present invention.
[021] In this disclosure, whenever a composition or an element or a group of elements is preceded with the transitional phrase “comprising”, it is understood that we also contemplate the same composition, element, or group of elements with transitional phrases “consisting of”, “consisting”, “selected from the group of consisting of, “including”, or “is” preceding the recitation of the composition, element or group of elements and vice versa.
[022] The present invention is described hereinafter by various embodiments with reference to the accompanying drawing, wherein reference numerals used in the accompanying drawing correspond to the like elements throughout the description. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiment set forth herein. Rather, the embodiment is provided so that this disclosure will be thorough and complete and will fully convey the scope of the invention to those skilled in the art. In the following detailed description, numeric values and ranges are provided for various aspects of the implementations described. These values and ranges are to be treated as examples only and are not intended to limit the scope of the claims. In addition, several materials are identified as suitable for various facets of the implementations. These materials are to be treated as exemplary and are not intended to limit the scope of the invention.
[023] The present invention provides a glass test tube with a filter cap to facilitate microbial culture growth.
[024] The test tube includes a tube (3) and a filtered cap (1) assembled with using a single-start threads locking mechanism (2). The cap (1) is having a PTFE (Polytetrafluoroethylene) filter (4) of 0.4 µm. The cap (1) is provided with vertical indentations (6) on the outer wall thereof. The material of the tube (3) is glass. The material of the cap (1) is polypropylene.
[025] The cap has threads on the inner wall that are compatible with the threads on the outer wall of the glass test tube mouth. It is further fitted with a 0.4µm filter to facilitate sterile gaseous exchange. The material of the test tube is glass. The material of the cap is polypropylene. The filter is 0.4 µm PTFE membrane (Polytetrafluoroethylene).
[026] The disclosure has been described with reference to the accompanying embodiments herein and the various features and advantageous details thereof are explained with reference to the non-limiting embodiments in the following description. Descriptions of well-known components and processing techniques are omitted so as to not unnecessarily obscure the embodiments herein.
[027] The foregoing description of the specific embodiments so fully revealed the general nature of the embodiments herein that others can, by applying current knowledge, readily modify and/or adapt for various applications such specific embodiments without departing from the generic concept, and, therefore, such adaptations and modifications should and are intended to be comprehended within the meaning and range of equivalents of the disclosed embodiments. It is to be understood that the phraseology or terminology employed herein is for the purpose of description and not of limitation. Therefore, while the embodiments herein have been described in terms of preferred embodiments, those skilled in the art will recognize that the embodiments herein can be practiced with modification within the scope of the embodiments as described herein.
, C , Claims:1) A test tube to facilitate microbial culture growth, the test tube comprises a tube (3) and a filtered cap (1) assembled with using a single-start threads locking mechanism (2), wherein the cap (1) comprising: a PTFE (Polytetrafluoroethylene) filter (4) of 0.4 µm.
2) The test tube as claimed in claim 1, wherein the cap (1) is provided with vertical indentations (6) on the outer wall thereof.
3) The test tube as claimed in claim 1, wherein the material of the tube (3) is glass.
4) The test tube as claimed in claim 1, wherein the material of the cap (1) is polypropylene.