CN203773837U - Gram-positive bacterium peptidoglycan structure model teaching aid - Google Patents
Gram-positive bacterium peptidoglycan structure model teaching aid Download PDFInfo
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- CN203773837U CN203773837U CN201420152863.6U CN201420152863U CN203773837U CN 203773837 U CN203773837 U CN 203773837U CN 201420152863 U CN201420152863 U CN 201420152863U CN 203773837 U CN203773837 U CN 203773837U
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- spheroid
- pearl
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- pearl shape
- teaching aid
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Abstract
The utility model relates to a gram-positive bacterium peptidoglycan structure model teaching aid. The model teaching aid comprises a spheric body representing different aminosugar and a connecting rod representing a glycosidic bond. The spheric body comprises a first spheric body and a second spheric body. The first spheric body and the second spheric body are arranged in a vertical column at intervals; the first spheric body, the second spheric body and the connecting rod are connected through a buckle group; a first bead string is arranged below the second spheric body; the first bead string comprises four balls; one side of a third ball is connected with a second bead string; the second bead string comprises five ball bodies; the first ball body in the second bead string is connected with the third ball in the first bead string; the fifth ball body in the second bead string is connected with the four ball of the first bead string below the second spheric body in a neighboring column; and the model teaching aid is of a three-dimensional stereoscopic network structure. The advantages are as follows: the structure is simple, the model teaching aid is three-dimensional, the dismounting is convenient, and the structure of gram-positive bacterium peptidoglycan can be reflected in a more visual mode.
Description
Technical field
The utility model relates to a kind of model teaching aid, relates in particular to a kind of gram positive bacteria peptide glycan structural model teaching aid.
Background technology
Gram-positive bacteria cell wall is thicker, and about 20-80nm, and peptide glycan rich content in cell membrane, have 15-50 layer, and every layer thickness is 1nm, accounts for the 50%-80% of dry cell weight.
Peptide glycan is the important composition composition of gram positive bacteria cell membrane, You Ν ?acetylglucosamine, Ν ?the macromolecule complex that is polymerized of the subunit that forms of acetylmuramic acid and a few amino acids short peptide chain, peptidoglycan monomer be You Ν ?acetylglucosamine, Ν ?acetylmuramic acid, peptide tail and peptide bridge form.Due in teaching, gram positive bacteria cell-wall components is various, interact, in order to allow students strengthen the understanding to gram positive bacteria peptide glycan spatial structure and to distinguish this structure and the difference of gram-negative bacteria cell wall structure, rely on merely floor map or teaching courseware to satisfy the demand.
Summary of the invention
The purpose of this utility model is cannot know the structure of showing gram positive bacteria peptide glycan in order to overcome floor map, provides a kind of 3 D stereo dismountable gram positive bacteria peptide glycan structural model teaching aid.
The utility model adopts following technical scheme: a kind of gram positive bacteria peptide glycan structural model teaching aid, comprise the spheroid that represents different amino sugars, and represent the connecting link of glycosidic bond, described spheroid comprises the first spheroid and the second spheroid, it is perpendicular row that described the first spheroid and the second spheroid are spaced, the first spheroid, the second spheroid is connected by buckle group with connecting link, described the second spheroid below is provided with the first pearl shape string, one side level connection joint of the 3rd ball in described the first pearl shape string has the second pearl shape string, in described the second pearl shape string, the first pearl body is connected with the 3rd ball in the first pearl shape string, the 5th pearl body in described the second pearl shape string is connected with the 4th ball of the first pearl shape string of the second spheroid below in adjacent row, described the first spheroid, the second spheroid, connecting link and the first pearl shape string and the second pearl shape string form 3 D stereo reticulate texture.
Further, described the first spheroid inside is provided with the first matrix draw-in groove, is provided with the first card article matching with the first matrix draw-in groove on one end of described connecting link; Described the second spheroid inside is provided with the second matrix draw-in groove, is provided with the second card article matching with the second matrix draw-in groove on the other end of described connecting link.
Further, described the first pearl shape string comprises four balls.Described the second pearl shape string comprises five balls.
Further, the downside of described the second spheroid has jack.
Further, on five pearl bodies in described the second pearl shape string, be respectively equipped with the through hole running through, in the middle of five pearl bodies in described the second pearl shape string, be installed with respectively cross bar.
Further, on four balls in described the first pearl shape string, be respectively equipped with the through hole running through, four balls of described the first pearl shape string connect by hub rod, and described hub rod upper end is connected in the jack of the second spheroid downside.
Further, the 3rd ball and the 4th ball one side in described the first pearl shape string have hole clipping, and the cross bar two ends of described the second pearl shape string are connected in the hole clipping of the 3rd ball in adjacent the first pearl shape string and the 4th ball.
In superincumbent technical scheme, the first spheroid represent Ν ?acetylglucosamine, the second spheroid represent Ν ?acetylmuramic acid, connecting link representative connect Ν ?acetylglucosamine He Ν ?β-1 of acetylmuramic acid, 4 glycosidic bonds, the first pearl shape string represents tetrapeptide side chain, wherein the first ball represents that L – alanine, the second ball represent that D – glutamic acid, the 3rd ball represent that L – lysine, the 4th ball represent D – alanine, the second pearl shape string is peptide bridge, five glycocoll are formed by connecting, then are connected with two adjacent tetrapeptide side chains by peptide bond.
The utility model is simple in structure, 3 D stereo and for convenience detach, the 3 D stereo reticulate texture of the clearer displaying gram positive bacteria peptide glycan structure of energy.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the view up and down of the first spheroid of the present utility model.
Fig. 3 is the sectional view of the first spheroid in the utility model.
Fig. 4 is the view up and down of the second spheroid in the utility model.
Fig. 5 is the sectional view of the second spheroid in the utility model.
Fig. 6 is the structural representation of the first pearl shape string in the utility model.
Fig. 7 is the structural representation of the second pearl shape string in the utility model.
Fig. 8 is the structural representation of connecting link in the utility model.
Fig. 9 is the side view of connecting link in the utility model.
Reference numeral: the first spheroid 1, the second spheroid 2, connecting link 3, the first pearl shape string 4, the second pearl shape string 5, the first matrix draw-in groove 1-1, the first card article 3-1, the second card article 3-2, the second matrix draw-in groove 2-1, the second spheroid jack 2-2, the first ball 4-1, the second ball 4-2, the 3rd ball 4-3, the 4th ball 4-4, hub rod 4-5, cross bar 5-1, the first pearl body 5-2, the second pearl body 5-3, the 3rd pearl body 5-4, the 4th pearl body 5-5, the 5th pearl body 5-6.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Fig. 1-Fig. 9, a kind of gram positive bacteria peptide glycan structural model teaching aid, comprise the spheroid that represents different amino sugars, and represent the connecting link of glycosidic bond, wherein, the first spheroid 1 is green, the second spheroid 2 is purple, the first spheroid 1 and the second spheroid 2 are spaced, and centre connects by black plastic connecting link 3, and the first spheroid inside is provided with the first matrix draw-in groove 1-1, the second spheroid inside is provided with the second matrix draw-in groove 2-1, on the two ends of connecting link 3, be respectively arranged with the first card article 3-1 matching with the first matrix draw-in groove 1-1 and the card article 3-2 matching with the second matrix draw-in groove 2-1, the downside of described the second spheroid 2 has jack 2-2, the second spheroid 2 belows are provided with the first pearl shape string 4, the first pearl shape string 4 comprises the first ball 4-1, the second ball 4-2, the 3rd ball 4-3, the 4th ball 4-4, four ball middle parts have through hole, four balls connect by hub rod 4-5, the upper end of hub rod 4-5 is connected in the jack 2-2 of the second spheroid 2, in described the first pearl shape string 4, a side level connection joint of the 4th ball 4-4 has the second pearl shape string 5, described the second pearl shape string 5 comprises five pearl bodies, comprise the first pearl body 5-2, the second pearl body 5-3, the 3rd pearl body 5-4, the 4th pearl body 5-5, the 5th pearl body 5-6, described the second pearl shape, in 5, the first pearl body 5-2 is connected with the 3rd ball 4-3 in the first pearl shape string 4, the 5th pearl body 5-6 in described the second pearl shape string 5 is connected with the 4th ball 4-4 of the first pearl shape string 4 of the second spheroid 2 belows in adjacent row, wherein five pearl bodies and there is through hole, in the middle of five pearl bodies, be connected in one by cross bar 5-1, the 3rd ball 4-3 and the 4th ball 4-4 mono-side in described the first pearl shape string 4 have hole clipping, the cross bar 5-1 two ends of the second pearl shape string 5 are connected in the hole clipping of the 3rd ball 4-3 in adjacent the first pearl shape string 4 and the 4th ball 4-4.Described the first spheroid 1, the second spheroid 2, connecting link 3 and the first pearl shape string 4 and the second pearl shape string 5 have formed the 3 D stereo reticulate texture of firm compact.
The first spheroid represent Ν ?acetylglucosamine, the second spheroid represent Ν ?acetylmuramic acid, connecting link representative connect Ν ?acetylglucosamine He Ν ?β-1 of acetylmuramic acid, 4 glycosidic bonds, the first pearl shape string represents tetrapeptide side chain, the first ball 4-1 represents that L – alanine, the second ball 4-2 represent that D – glutamic acid the 3rd ball 4-3 represents that L – lysine, the 4th ball 4-4 represent D – alanine from top to bottom, and the second pearl shape string is peptide bridge, and five glycocoll are formed by connecting.
Claims (9)
1. a gram positive bacteria peptide glycan structural model teaching aid, it is characterized in that: comprise the spheroid that represents different amino sugars, and represent the connecting link of glycosidic bond, described spheroid comprises the first spheroid (1) and the second spheroid (2), described the first spheroid (1) and the second spheroid (2) are spaced, the first spheroid (1), the second spheroid (2) is connected by buckle with connecting link (3), described the second spheroid (2) below is provided with the first pearl shape string (4), one side level connection joint of the 3rd ball (4-3) in described the first pearl shape string (4) has the second pearl shape string (5), in described the second pearl shape string (5), the first pearl body (5-2) is connected with the 3rd ball (4-3) that the first pearl shape is gone here and there in (4), the 5th pearl body (5-6) in described the second pearl shape string (5) is connected with the 4th ball (4-4) of the first pearl shape string (4) of the second spheroid (2) below in adjacent row, described the first spheroid (1), the second spheroid (2), connecting link (3) and the first pearl shape string (4) and the second pearl shape string (5) form 3 D stereo reticulate texture.
2. a kind of gram positive bacteria peptide glycan structural model teaching aid as claimed in claim 1, it is characterized in that: described the first spheroid inside is provided with the first matrix draw-in groove (1-1), on one end of described connecting link (3), be provided with the first card article (3-1) matching with the first matrix draw-in groove.
3. a kind of gram positive bacteria peptide glycan structural model teaching aid as claimed in claim 1, it is characterized in that: described the second spheroid inside is provided with the second matrix draw-in groove (2-1), on the other end of described connecting link (3), be provided with the second card article (3-2) matching with the second matrix draw-in groove.
4. a kind of gram positive bacteria peptide glycan structural model teaching aid as claimed in claim 1, is characterized in that: described the first pearl shape string (4) comprises four balls.
5. a kind of gram positive bacteria peptide glycan structural model teaching aid as claimed in claim 1, is characterized in that: described the second pearl shape string (5) comprises five pearl bodies.
6. a kind of gram positive bacteria peptide glycan structural model teaching aid as claimed in claim 1, is characterized in that: the downside of described the second spheroid (2) has jack (2-2).
7. a kind of gram positive bacteria peptide glycan structural model teaching aid as claimed in claim 1, is characterized in that:
On five pearl bodies in described the second pearl shape string (5), be respectively equipped with the through hole running through, in the middle of five pearl bodies in described the second pearl shape string (5), be installed with cross bar (5-1).
8. a kind of gram positive bacteria peptide glycan structural model teaching aid as claimed in claim 1, is characterized in that:
On four balls in described the first pearl shape string (4), be respectively equipped with the through hole running through, four balls of described the first pearl shape string (4) connect by hub rod (4-5), and described hub rod (4-5) upper end is connected in the jack (2-2) of the second spheroid (2) downside.
9. a kind of gram positive bacteria peptide glycan structural model teaching aid as claimed in claim 1, is characterized in that:
The 3rd ball (4-3) and the 4th ball (4-4) side in described the first pearl shape string (4) have hole clipping, and cross bar (5-1) two ends of described the second pearl shape string (5) are connected to adjacent the first pearl shape and go here and there in the hole clipping of the 3rd ball (4-3) in (4) and the 4th ball (4-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420152863.6U CN203773837U (en) | 2014-03-31 | 2014-03-31 | Gram-positive bacterium peptidoglycan structure model teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420152863.6U CN203773837U (en) | 2014-03-31 | 2014-03-31 | Gram-positive bacterium peptidoglycan structure model teaching aid |
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| Publication Number | Publication Date |
|---|---|
| CN203773837U true CN203773837U (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420152863.6U Expired - Fee Related CN203773837U (en) | 2014-03-31 | 2014-03-31 | Gram-positive bacterium peptidoglycan structure model teaching aid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104134386A (en) * | 2014-07-31 | 2014-11-05 | 江南大学 | Gram positive bacteria peptidoglycan structural model teaching aid |
-
2014
- 2014-03-31 CN CN201420152863.6U patent/CN203773837U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104134386A (en) * | 2014-07-31 | 2014-11-05 | 江南大学 | Gram positive bacteria peptidoglycan structural model teaching aid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20150331 |
|
| EXPY | Termination of patent right or utility model |