Advanced Basal Medium Eagle (A-BME) in Hanks’ Buffer

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Advanced Basal Medium Eagle (A-BME) in Hanks’ Buffer

Background

PurMa^TM Advanced Basal Medium Eagle (A-BME) in Hanks’ Buffer contains components to provide a 60–90% reduction in FBS supplementation. More importantly, using synthetic components such as recombinant insulin, albumin, and transferrin increases consistency. This results in less variation amongst lot-to-lot serum changes. L-alanyl-l-glutamine is the source of glutamine in Advanced BME. Additionally, reducing the requirement for FBS lowers the cost of cell culture experiments.

Consequently, Advanced Basal Medium Eagle (A-BME) in Hanks’ Buffer is a significant step toward a chemically defined form of this media. Unquestionably, Chemically Defined Advanced BME (CD-A-BME) is the outcome of decades of cutting-edge research. Furthermore, it will soon be offered globally to laboratories that are looking for consistency and repeatability in their data.

Formulation

The complete formulation can be found here: Advanced BME in Hanks' Buffer (HBSS) Formulation

References

Improved chemically defined basal medium (CMRL-1969) for primary monkey kidney and human diploid cells. Healy GM, Teleki S, von Seefried A, Walton MJ, Macmorine HG. Appl Microbiol. 1971 Jan;21(1):1-5. doi: 10.1128/am.21.1.1-5.1971. PMID:
Nutritional requirements for the production of herpes simplex virus. I. Influence of glucose and glutamine of herpes simplex virus production by HeLa cells. LEWIS VJ Jr, SCOTT LV. J Bacteriol. 1962 Mar;83(3):475-82. doi: 10.1128/jb.83.3.475-482.1962. PMID: 14464909

[/fusion_text][fusion_table fusion_table_type="2" fusion_table_rows="13" fusion_table_columns="2" margin_top="30px" margin_right="" margin_bottom="" margin_left="" hide_on_mobile="small-visibility,medium-visibility,large-visibility" class="" id="" animation_type="" animation_direction="left" animation_color="" hue="" saturation="" lightness="" alpha="" animation_speed="0.3" animation_delay="0" animation_offset=""]

Parameter	Specification
Appearance	Red, clear liquid
pH	7.2 ± 0.1
Osmolality	275-360 mOsm/L
Endotoxin	NMT< 2EU/mL
Mycoplasma	Negative
Suitability	Suitable for mammalian cell culture
Additive	Sodium pyruvate
Indicator	Phenol red
Mycoplasma Detection	Negative
Sterility Tested	Sterile filtered using 0.22 µm filter
Form	Liquid
Shipping Condition	Room temperature

[/fusion_table][/fusion_builder_column][/fusion_builder_row][/fusion_builder_container]1 x 500 ml, 6 x 500 ml, 1 x 1000 ml, 6 x 1000 ml, 1 x 10 L, 1 x 50 L, 10 X 1EZ Individually Packed, 50 X 1EZ Individually Packed Read more

Advanced MEM Alpha-Modification (A-MEM-α) in Hanks’ Buffer

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Advanced MEM Alpha-Modification (A-MEM-α) in Hanks’ Buffer

Background

PurMa^TM Advanced MEM Alpha-Modification (A-MEM-α) in Hanks’ Buffer contains components to provide a 60–90% reduction in FBS supplementation. More importantly, using synthetic components such as recombinant insulin, albumin, and transferrin increases consistency. Consequently, this results in less variation amongst lot-to-lot serum changes. L-alanyl-l-glutamine is the source of glutamine in Advanced MEM-α. Additionally, reducing the requirement for FBS lowers the cost of cell culture experiments.

Consequently, Advanced MEM Alpha-Modification (A-MEM-α) in Hanks’ Buffer is a significant step toward a chemically defined form of this media. Unquestionably, Chemically Defined Advanced MEM-α (CD-A-MEM-α) is the outcome of decades of innovative cutting-edge research and will soon be offered globally to laboratories that are looking for consistency and repeatability in their data.

Formulation

Complete formulation is available here: Advanced MEM-alpha in Hanks' Buffer

References

The growth of L-cells and Vero cells on an autoclavable MEM-peptone medium. L Keay Biotechnology and bioengineering, 19(3), 399-411 (1977-03-01).
Minimum essential medium alpha (MEM) enhances assisted reproductive technology results. I. Mouse embryo study. Wun WS, Wun CC, Grunert GM. J Assist Reprod Genet. 1994 Jul;11(6):303-7. doi: 10.1007/BF02215717. PMID: 7734915.
Alpha-minimum essential medium (MEM) enhances in vitro hatched blastocyst development and cell number per embryo over Ham's F-10. Roudebush WE, Often NL, Butler WJ. J Assist Reprod Genet. 1994 Apr;11(4):203-7. doi: 10.1007/BF02211809. PMID: 7711383.

[/fusion_text][fusion_table fusion_table_type="2" fusion_table_rows="13" fusion_table_columns="2" margin_top="30px" margin_right="" margin_bottom="" margin_left="" hide_on_mobile="small-visibility,medium-visibility,large-visibility" class="" id="" animation_type="" animation_direction="left" animation_color="" hue="" saturation="" lightness="" alpha="" animation_speed="0.3" animation_delay="0" animation_offset=""]

Parameter	Specification
Appearance	Red, clear liquid
pH	7.2 ± 0.1
Osmolality	275-360 mOsm/L
Endotoxin	NMT< 2EU/mL
Mycoplasma	Negative
Suitability	Suitable for mammalian cell culture
Additive	Sodium pyruvate
Indicator	Phenol red
Mycoplasma Detection	Negative
Sterility Tested	Sterile filtered using 0.22 µm filter
Form	Liquid
Shipping Condition	Room temperature

[/fusion_table][/fusion_builder_column][/fusion_builder_row][/fusion_builder_container]1 x 500 ml, 6 x 500 ml, 1 x 1000 ml, 6 x 1000 ml, 1 x 10 L, 1 x 50 L, 10 X 1EZ Individually Packed, 50 X 1EZ Individually Packed Read more

Advanced MEM-Alpha with Nucleosides in Hanks’ Buffer

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Advanced MEM-Alpha with Nucleosides in Hanks’ Buffer (A-MEM-α-N-HBSS)

Background

PurMa^TM Advanced MEM-Alpha with Nucleosides in Hanks’ Buffer (A-MEM-α-N-HBSS) contains Nucleosides as well as components that allow for a 60–90% reduction in FBS supplementation. More importantly, using synthetic components such as recombinant insulin, albumin, and transferrin increase consistency. This results in less variation amongst lot-to-lot serum changes. In A-MEM-α-N, L-Alanyl-L-Glutamine is used as the source of glutamine. Additionally, reducing FBS requirements lowers the cost of cell culture experiments.

Consequently, Advanced MEM-α with Nucleosides in Hanks’ Buffer (A-MEM-α-N-HBSS) is a significant step toward a chemically defined form of this media. Unquestionably, Chemically Defined Advanced MEM-α-N (CD- A-MEM-α-N) is the outcome of decades of cutting-edge research and will soon be offered globally to laboratories that are looking for consistency and repeatability in their data.

Formulation

Complete formulation is available here: Adnaced MEM Alpha with Nucleoside in HBSS buffer Formulation

References

A previously functional tetracycline-regulated transactivator fails to target gene expression to the bone. Schmidt E, Eriksson M. BMC Res Notes. 2011 Aug 11;4:282. doi: 10.1186/1756-0500-4-282. PMID: 21835026
The growth of L-cells and Vero cells on an autoclavable MEM-peptone medium. L Keay Biotechnology and bioengineering, 19(3), 399-411 (1977-03-01).
Minimum essential medium alpha (MEM) enhances assisted reproductive technology results. I. Mouse embryo study. Wun WS, et al. Assist Reprod Genet. 1994 Jul;11(6):303-7. doi: 10.1007/BF02215717. PMID: 7734915.

[/fusion_text][fusion_table fusion_table_type="1" fusion_table_rows="13" fusion_table_columns="2" margin_top="30px" margin_right="" margin_bottom="" margin_left="" hide_on_mobile="small-visibility,medium-visibility,large-visibility" class="" id="" animation_type="" animation_direction="left" animation_color="" hue="" saturation="" lightness="" alpha="" animation_speed="0.3" animation_delay="0" animation_offset=""]

Parameter	Specification
Appearance	Red, clear liquid
pH	7.2 ± 0.1
Osmolality	275-360 mOsm/L
Endotoxin	NMT< 2EU/mL
Mycoplasma	Negative
Suitability	Suitable for mammalian cell culture
Additive	Sodium pyruvate
Indicator	Phenol red
Mycoplasma Detection	Negative
Sterility Tested	Sterile filtered using 0.22 µm filter
Form	Liquid
Shipping Condition	Room temperature

[/fusion_table][/fusion_builder_column][/fusion_builder_row][/fusion_builder_container]1 x 500 ml, 6 x 500 ml, 1 x 1000 ml, 6 x 1000 ml, 1 x 10 L, 1 x 50 L, 10 X 1EZ Individually Packed, 50 X 1EZ Individually Packed Read more

Advanced Minimum Essential Media (A-MEM) in HBSS

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Advanced Minimum Essential Media (A-MEM) in Hanks’ Buffer

Background

PurMa^TM Advanced Minimum Essential Media (A-MEM) in Hanks’ Buffer contains components to provide a 60–90% reduction in FBS supplementation. More importantly, using synthetic components such as recombinant insulin, albumin, and transferrin increases consistency. Consequently, this results in less variation amongst lot-to-lot serum changes. L-alanyl-l-glutamine is the source of glutamine in A-MEM. Additionally, reducing the requirement for FBS lowers the cost of cell culture experiments.

Consequently, Advanced Minimum Essential Media (A-MEM) in Hanks’ Buffer is a significant step toward a chemically defined form of this media. Unquestionably, Chemically Defined Advanced MEM (CD-A-MEM) is the outcome of decades of innovative cutting-edge research and will soon be offered globally to laboratories that are looking for consistency and repeatability in their data.

Formulation

Complete formulation is available here: Advanced MEM (HBSS) Formulation in Hanks' Buffer

References

Myelin formation in rat dorsal root ganglion cultured in a serum-free medium. Ninomiya T, Takahashi K. J Anat. 1987 Jun;152:209-13. PMID: 3654371
Long-term organ culture of hamster cheek pouch mucosa. Mock D, Main JH. J Oral Pathol. 1976 Jul;5(4):237-40. doi: 10.1111/j.1600-0714.1976.tb01770.x. PMID: 820846

[/fusion_text][fusion_table fusion_table_type="2" fusion_table_rows="13" fusion_table_columns="2" margin_top="30px" margin_right="" margin_bottom="" margin_left="" hide_on_mobile="small-visibility,medium-visibility,large-visibility" class="" id="" animation_type="" animation_direction="left" animation_color="" hue="" saturation="" lightness="" alpha="" animation_speed="0.3" animation_delay="0" animation_offset=""]

Parameter	Specification
Appearance	Red, clear liquid
pH	7.2 ± 0.1
Osmolality	275-360 mOsm/L
Endotoxin	NMT< 2EU/mL
Mycoplasma	Negative
Suitability	Suitable for mammalian cell culture
Additive	Sodium pyruvate
Indicator	Phenol red
Mycoplasma Detection	Negative
Sterility Tested	Sterile filtered using 0.22 µm filter
Form	Liquid
Shipping Condition	Room temperature

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Basal Medium Eagle (BME) in Hanks’ Buffer

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Basal Medium Eagle (BME) in Hanks’ Buffer

Background

Basal Medium Eagle (BME) in Hanks’ Buffer originally developed by Harry Eagle. Moreover, this media is one of the most widely used of all synthetic cell culture media. Markedly, BME is the predecessor of Eagle’s Minimum Essential Medium (MEM) and Dulbecco’s Modified Eagle’s Medium (DME). PurMa Biologics presently manufactures BME with Earle’s for use in a CO₂ incubator, or with Hanks' (HBSS) salts for use without CO₂.

Ingredients

As the composition, this media contains HBSS buffer HBSS buffer contains:

Potassium Chloride
Potassium Phosphate, monobasic
Sodium Bicarbonate
Sodium Chloride
And lastly, Sodium Phosphate, dibasic

Application

PurMa Biologics manufactures 117 types BME in HBSS buffer. This media has been successfully used for variety of suspension and adherent mammalian cells, including HeLa, BHK-21, 293, HEP-2, HT-1080, MCF-7, fibroblasts as well as primary rat astrocytes.

Formulation

For complete formulation click, or alternatively look at the “ Formulation Tab”: BME with Hanks' Buffer (HBSS) Formulation

References

Nutritional requirements for the production of herpes simplex virus. I. Influence of glucose and glutamine of herpes simplex virus production by HeLa cells. LEWIS et al. J Bacteriol. 1962 Mar;83(3):475-82. doi: 10.1128/jb.83.3.475-482.1962. PMID: 14464909
Improved chemically defined basal medium (CMRL-1969) for primary monkey kidney and human diploid cells. Healy et al. Appl Microbiol. 1971 Jan;21(1):1-5. doi: 10.1128/am.21.1.1-5.1971.
Differential cytopathogenicity accompanying Mycoplasma pneumoniae infection of human lung fibroblasts maintained in newborn bovine serum or fetal bovine serum. Upchurch et al. In Vitro. 1983 Mar;19(3 Pt 1):203-9. doi: 10.1007/BF0 2618060. PMID: 6187665.

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Parameter	Specification
Appearance	Red, clear liquid
pH	7.2 ± 0.1
Osmolality	275-360 mOsm/L
Endotoxin	NMT< 2EU/mL
Mycoplasma	Negative
Suitability	Suitable for mammalian cell culture
Additive	N/A
Indicator	Phenol red
Mycoplasma Detection	Negative
Sterility Tested	Sterile filtered using 0.22 µm filter
Form	Liquid
Shipping Condition	Room temperature

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Basal Medium Eagle-MAX (BME-MAX) in Hanks’ Buffer

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Basal Medium Eagle-MAX (BME-MAX) in Hanks’ Buffer

Background

Basal Medium Eagle-MAX (BME-MAX) in Hanks’ Buffer is a commonly used media for Mammalian cell culture.

Advantages

The advantages of BME-MAX over BME are:

Higher PH Capacity
Moreover, it contains 4 mM L-Alanyl-L-Glutamine (0.869 g/L) instead of L-Glutamine and therefore:
Possess longer shelf life.
More importantly, minimizes toxic ammonia build-up.
Significantly improves cell viability and growth.
Remains stable across a wide range of temperatures.
Improves the culture of primary cells.

Mechanism

Although L-glutamine is a vital amino acid, it degrades, generating toxic ammonia and pyrrolidine carboxylic acid. One way to minimize L-glutamine degradation in media is to gradually add these amino acids to your cell culture. However, keeping track of time to keep the amount of L-glutamine at the same level is tedious, if not impossible. Alternatively, L-alanyl-L-glutamine can be used because it is much more stable in aqueous solutions. More importantly, it does not easily degrade and gradually releases aminopeptidases. As a result, L-glutamine and L-alanine are then used by the cells for protein production in the TCA cycle. In addition to our Max formulation products, we manufacture PurMa^TMGluaSup (Cat# P3S210 559) is a combination of L-alanyl-L-glutamine that prevents the degradation of L-glutamine.

Formulation

The complete formulation can be found here: BME-MAX with Hanks' Buffer (HBSS) Formulation

References

Improved chemically defined basal medium (CMRL-1969) for primary monkey kidney and human diploid cells. Healy GM, et al. Appl Microbiol. 1971 Jan;21(1):1-5. doi: 10.1128/am.21.1.1-5.1971. PMID:
Nutritional requirements for the production of herpes simplex virus. I. Influence of glucose and glutamine of herpes simplex virus production by HeLa cells. LEWIS VJ Jr, SCOTT LV. J Bacteriol. 1962 Mar;83(3):475-82. doi: 10.1128/jb.83.3.475-482.1962. PMID: 14464909
An improved culture system for secondary palatal elevation. Lewis CA, Thibault L, Pratt RM, Brinkley LL. In Vitro. 1980 Jun;16(6):453-60. doi: 10.1007/BF02626457. PMID: 7390537

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Parameter	Specification
Appearance	Red, clear liquid
pH	7.2 ± 0.1
Osmolality	275-360 mOsm/L
Endotoxin	NMT< 2EU/mL
Mycoplasma	Negative
Suitability	Suitable for mammalian cell culture
Additive	N/A
Indicator	Phenol red
Mycoplasma Detection	Negative
Sterility Tested	Sterile filtered using 0.22 µm filter
Form	Liquid
Shipping Condition	Room temperature

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Hanks’ Balanced Salt Solution (HBSS)

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Hanks’ Balanced Salt Solution (HBSS)

Background

Hanks’ Balanced Salt Solution (HBSS) contains inorganic salts and glucose. HBSS for a short time provides an ideal environment to preserve the structural and physiological integrity of cells in vitro. HBSS maintains a balance between intra and extracellular osmolarity, delivers water and inorganic ions necessary for cell metabolism, and provides energy for cellular metabolism with glucose.

Grades of Hanks’ Balanced Salt Solution (HBSS)

Regular Grade Buffer

PurMa Biologics manufactures Regular grade of buffer by using: PurMa™ Cell Culture Suited Water (Cat# P3W110101) we finally sterilize the buffers by autoclaving the solution and packing in our Class 100 Aseptic Facility.

Cell Culture Suited Grade Buffer

PurMa Biologics manufactures this grade of buffer by using :PurMa™ Cell Culture Suited Water (Cat# P3W110101) In our Class 100 Aseptic Facility we Buffer will finally sterilize the buffer by 0.2 µm filter and pack under N2

RNase and DNase Free Grade Buffer

PurMa Biologics manufactures this grade of buffer by using :PurMa™ Cell Culture Suited Water (Cat# P3W120103) In our Class 100 Aseptic Facility we Buffer will finally sterilize the buffer by 0.2 µm filter and pack under N2

Cell Culture Suited / Endotoxin Depleted Grade Buffer

PurMa Biologics manufactures this grade of buffer by using: PurMa™ Ultra-Pure Cell Culture Suited Water (Cat# P3W110102) In our Class 100 Aseptic Facility we Buffer will finally sterilize the buffer by 0.1 µm filter and pack under N2

The Endotoxin Removing Procedure from Buffer

PurMa biologics has the most sophisticated endotoxin removal. For that we pass the buffer through the PurMa^TM Endotoxin Elimination Column (Cat# P6H1216251). Furthermore, in our proprietary column we covalently conjugate Sepharose 6B to an endotoxin-specific absorbent. we finally eliminate the residual endotoxin by passing the unbound fraction three times through 0.1µm filters.

General Features

It is cost effective.
Cell Culture Suited
Provides maintenance and integrity for cells or tissues during irrigation, transportation, or dilution.
To wash and re-suspend cells during the dissociation or counting process (Ca⁺², Mg⁺²free)
PurMa Biologics offers HBSS in three pH formats, pH 7.2, 7.4, and pH 7.6.

Specific Features

Glucose maintains the intra and extracellular osmotic pressure as well as provides the principal source of energy for cellular metabolism.
HBSS Provides water and important inorganic ions necessary for cellular metabolism.
This buffer Provides a buffer solution to maintain a medium in physiological pH (7.2-7.6)
It is made in Mg²⁺ and Ca ²⁺-free water.
Free of RNAse /DNase
Free of Proteases. It is rigorously tested for contaminating nonspecific endonuclease, exonuclease, and RNase activity.
It is rigorously tested for contamination of endotoxin and mycoplasma.
Is manufactured in three pH: 7.2 ± 0.01, pH: 7.4 ± 0.01, and 7.6 ± 0.01 at 25°C.
Sterile filtered by 0.22µm membrane (in case of endotoxin-depleted buffer by 0.1µm)
As it is packed under N_2,the pH won’t change over time before opening the bottle.

Application

This buffer especially has an excellent role in protocols requiring the use of consistent conditions such as crosslinking, biotinylation, and fluorescent labeling reactions which require an amine-free buffer.

Formulation

For complete formulation, click here:HBSS Formulation

References

Relation of oxygen and temperature in the preservation of tissues by refrigeration. Hanks, j. h., Wallace, r. e., 1949, Proc Soc Exp Biol Med. 1949 Jun;71(2):196-200. doi: 10.3181/00379727-71-17131.
Isolation and purification of Giardia trophozoites from rat intestine. Feely DE, Erlandsen SL. J Parasitol. 1981 Feb;67(1):59-64. PMID: 7229820 .
Selective recovery of living microfilariae from Onchocerca volvulus nodules. Determination of optimal conditions for their culture in vitro for excretory/secretory products. Ngu JL, Neba GA, Leke N, Titanji V, Asonganyi T, Ndumbe P. Acta Trop. 1981 Sep;38(3):261-6. PMID: 611803

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Parameter	Specification
Appearance	Red, clear liquid
pH	6.7 ± 0.01; 7.0 ± 0.01; 7.4 ± 0.01; 7.8 ± 0.01
Osmolality	275-360 mOsm/L
Endotoxin	NMT< 2EU/mL
Mycoplasma	Negative
Suitability	Suitable for mammalian cell culture
Additive	N/A
Indicator	Phenol red
Mycoplasma Detection	Negative
Sterility Tested	Sterile filtered using 0.22 µm filter
Form	Liquid
Shipping Condition	Room temperature

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MEM Alpha Modification (MEM-α) in Hanks’ Buffer

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MEM Alpha Modification (MEM-α) in Hanks’ Buffer

Background

MEM Alpha Modification (MEM-α) in Hanks’ Buffer is certainly a suitable choice for mammalian cell culture as well as selection for transfected DHFR-negative cells. This media can also be used with a variety of suspension and adherent cells including keratinocytes, primary rat astrocytes, and human melanoma cells. furthermore it is important that eliminating calcium in this media facilitates the growth of cells in suspension cultures.

Ingredients

MEM -α has improved regular MEM as it contains:

Non-essential amino acids.
Sodium pyruvate.
Lipoic acid.
Vitamin B12.
Biotin and,
Ascorbic acid.
Also, MEM-α does not contain deoxyribonucleosides and ribonucleosides.

PurMa™ MEM -α media in Hank’s buffer includes HBSS

Composition of HBSS buffer contains:

Potassium Chloride
Potassium Phosphate, monobasic
Sodium Bicarbonate
Sodium Chloride
Sodium Phosphate, dibasic
Low level of glucose (1.00 g/ liter)
Sodium bicarbonate (0.35 g/L)
2 mM L-glutamine (292 mg/L)
Low level of glucose (1.00 g/ liter)

Furthermore, PurMa Biologics manufactures 123 types of MEM with HBSS buffer

Why PurMa Biologics? Why we stand behind our cell culture media

Our products are the outcome of 30 years of experience in cutting edge science. We routinely manufacture over 1500 media. We have the most comprehensive collection of cell and tissue culture media. Moreover, We utilize %99 pure amino acids. This will significantly increase the consistency among your experiments. Considering the highest quality, our prices certainly are extremely reasonabl

Application

Alpha modification of Minimum Essential Medium Eagle certainly makes an excellent for the isolation of mesenchymal stem cells, adipose-derived stem cells as well as osteoblast. MEM -α Modification is widely used for primary osteoblast cultures as well as isolation of polymorphonuclear leukocytes (PMN) from umbilical cord blood.

Formulation

to get access to detailed formulation visit " formulation Tab" as well as by clicking here : MEM-alpha Formulation in Hank's Buffer (HBSS)

References

The growth of L-cells and Vero cells on an autoclavable MEM-peptone medium. Keay L. Biotechnology and bioengineering, 19(3), 399-411 (1977-03-01).
Sphingosine-1-phosphate lyase (SGPL1) deficiency is associated with mitochondrial dysfunction. Maharaj et al. The Journal of steroid biochemistry and molecular biology, 202, 105730-105730 (2020-07-20)

[/fusion_text][fusion_table fusion_table_type="2" fusion_table_rows="13" fusion_table_columns="2" margin_top="30px" margin_right="" margin_bottom="" margin_left="" hide_on_mobile="small-visibility,medium-visibility,large-visibility" class="" id="" animation_type="" animation_direction="left" animation_color="" hue="" saturation="" lightness="" alpha="" animation_speed="0.3" animation_delay="0" animation_offset=""]

Parameter	Specification
Appearance	Red, clear liquid
pH	7.2 ± 0.1
Osmolality	275-360 mOsm/L
Endotoxin	NMT< 2EU/mL
Mycoplasma	Negative
Suitability	Suitable for mammalian cell culture
Additive	Sodium pyruvate
Indicator	Phenol red
Mycoplasma Detection	Negative
Sterility Tested	Sterile filtered using 0.22 µm filter
Form	Liquid
Shipping Condition	Room temperature

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MEM Alpha-Modification MAX (MEM-α-MAX) in Hanks’ Buffer

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MEM Alpha-Modification MAX (MEM-α-MAX) in Hanks’ Buffer

Background

MEM Alpha-Modification MAX (MEM-α-MAX) in Hanks’ Buffer is a commonly used media for Mammalian cell culture.

Advantages

MEM-α performs better than MEM for a number of cell lines, please see the description of regular MEM-α : MEM-α

The advantages of MEM-α-MAX in HBBS over MEM-α are:

Higher PH Capacity
Moreover, it contains 4 mM L-Alanyl-L-Glutamine (0.869 g/L) instead of L-Glutamine and therefore:
Possess longer shelf life.
More importantly, minimizes toxic ammonia build-up.
Significantly improves cell viability and growth.
Remains stable across a wide range of temperatures.
Improves the culture of primary cells.

Mechanism

Although L-glutamine is a vital amino acid, it degrades, generating toxic ammonia and pyrrolidine carboxylic acid. One way to minimize L-glutamine degradation in media is to gradually add these amino acids to your cell culture. However, keeping track of time to keep the amount of L-glutamine at the same level is tedious, if not impossible. Alternatively, L-alanyl-L-glutamine can be used because it is much more stable in aqueous solutions. More importantly, it does not easily degrade and gradually releases aminopeptidases. As a result, L-glutamine and L-alanine are then used by the cells for protein production in the TCA cycle. In addition to our Max formulation products, we manufacture PurMa^TMGluaSup (Cat# P3S210 559) is a combination of L-alanyl-L-glutamine that prevents the degradation of L-glutamine.

Formulation

For complete formulation Click here: MEM-alpha-MAX Formulation in Hanks' Buffer (HBSS)

References

The growth of L-cells and Vero cells on an autoclavable MEM-peptone medium. L Keay Biotechnology and bioengineering, 19(3), 399-411 (1977-03-01).
Minimum essential medium alpha (MEM) enhances assisted reproductive technology results. I. Mouse embryo study. Wun WS, et al. J Assist Reprod Genet. 1994 Jul;11(6):303-7. doi: 10.1007/BF02215717. PMID: 7734915.
Alpha-minimum essential medium (MEM) enhances in vitro hatched blastocyst development and cell number per embryo over Ham's F-10. Roudebush WE, et al. J Assist Reprod Genet. 1994 Apr;11(4):203-7. doi: 10.1007/BF02211809. PMID: 7711383.

[/fusion_text][fusion_table fusion_table_type="2" fusion_table_rows="13" fusion_table_columns="2" margin_top="30px" margin_right="" margin_bottom="" margin_left="" hide_on_mobile="small-visibility,medium-visibility,large-visibility" class="" id="" animation_type="" animation_direction="left" animation_color="" hue="" saturation="" lightness="" alpha="" animation_speed="0.3" animation_delay="0" animation_offset=""]

Parameter	Specification
Appearance	Red, clear liquid
pH	7.2 ± 0.1
Osmolality	275-360 mOsm/L
Endotoxin	NMT< 2EU/mL
Mycoplasma	Negative
Suitability	Suitable for mammalian cell culture
Additive	Sodium pyruvate
Indicator	Phenol red
Mycoplasma Detection	Negative
Sterility Tested	Sterile filtered using 0.22 µm filter
Form	Liquid
Shipping Condition	Room temperature

[/fusion_table][/fusion_builder_column][/fusion_builder_row][/fusion_builder_container]1 x 500 ml, 6 x 500 ml, 1 x 1000 ml, 6 x 1000 ml, 1 x 10 L, 1 x 50 L, 10 X 1EZ Individually Packed, 50 X 1EZ Individually Packed Read more

MEM α-Modification with Nucleosides in Hanks’ Buffer

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MEM α-Modification with Nucleosides in Hanks’ Buffer

Background

MEM α-Modification with Nucleosides in Hanks’ buffer provides a great nutritional culture environment during mammalian cells. This media, as well plays a key role in the process of selection of transfected DHFR-negative cells. Moreover, MEM-α-N-HBSS is widely used for a variety of suspension and adherent cells. Calcium, however, plays a crucial role in media as eliminating this ion facilitates the growth of cells in suspension cultures.

Ingredients

MEM-α with nucleosides is basically the modified version of MEM-α and contains:

Ribonucleosides
Deoxyribonucleosides
Non-essential amino acids.
Sodium pyruvate.
Lipoic acid.
Vitamin B12.
Biotin and,
Ascorbic acid.

PurMa™ MEM-α-N-HBSS contains HBSS buffer

The composition of HBSS buffer:

Potassium Chloride
Potassium Phosphate, monobasic
Sodium Bicarbonate
Sodium Chloride
Sodium Phosphate, dibasic

Additionally, MEM-α-N-HBSS also Contains:

Low level of glucose (1.00 g/ liter)
Sodium bicarbonate (0.35 g/L)
2 mM L-glutamine (292 mg/L)

PurMa Biologics manufactures 119 types of MEM-α-N-HBSS

Why PurMa Biologics? Why we stand behind our cell culture media

Our products are the outcome of 30 years of experience in cutting-edge science. We routinely manufacture over 1500 media. We have the most comprehensive collection of cell and tissue culture media. Moreover, We utilize %99 pure amino acids. This will significantly increase the consistency among your experiments. Considering the highest quality, our prices certainly are extremely reasonable.

Application

Furthermore, MEM-α-N-HBSS is used for various cell types such as keratinocytes, primary rat astrocytes, as well as human melanoma cells. also, MEM-α-N-HBSS has been used for the isolation of mesenchymal stem cells, adipose-derived stem cells, and osteoblasts. Moreover, MEM α-Modification is widely used for primary osteoblast cultures.

Formulation

For complete formulation click here as well as " formulation Tab : MEM alpha with nucleoside in HBSS Buffer Formulation

References

A previously functional tetracycline-regulated transactivator fails to target gene expression to the bone. Schmidt et al. BMC Res Notes. 2011 Aug 11;4:282. doi: 10.1186/1756-0500-4-282. PMID: 21835026.
The growth of L-cells and Vero cells on an autoclavable MEM-peptone medium. Keay L, Biotechnology and bioengineering, 19(3), 399-411 (1977-03-01

[/fusion_text][fusion_table fusion_table_type="2" fusion_table_rows="13" fusion_table_columns="2" margin_top="30px" margin_right="" margin_bottom="" margin_left="" hide_on_mobile="small-visibility,medium-visibility,large-visibility" class="" id="" animation_type="" animation_direction="left" animation_color="" hue="" saturation="" lightness="" alpha="" animation_speed="0.3" animation_delay="0" animation_offset=""]

Parameter	Specification
Appearance	Red, clear liquid
pH	7.2 ± 0.1
Osmolality	275-360 mOsm/L
Endotoxin	NMT< 2EU/mL
Mycoplasma	Negative
Suitability	Suitable for mammalian cell culture
Additive	Sodium pyruvate
Indicator	Phenol red
Mycoplasma Detection	Negative
Sterility Tested	Sterile filtered using 0.22 µm filter
Form	Liquid
Shipping Condition	Room temperature

[/fusion_table][/fusion_builder_column][/fusion_builder_row][/fusion_builder_container]1 x 500 ml, 6 x 500 ml, 1 x 1000 ml, 6 x 1000 ml, 1 x 10 L, 1 x 50 L, 10 X 1EZ Individually Packed, 50 X 1EZ Individually Packed Read more

MEM α-Modification with Nucleosides MAX (MEM-α-N-MAX) in Hanks’ Buffer

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filter_opacity_hover="100" filter_blur_hover="0" transform_type="regular" transform_hover_element="self" transform_scale_x="1" transform_scale_y="1" transform_translate_x="0" transform_translate_y="0" transform_rotate="0" transform_skew_x="0" transform_skew_y="0" transform_scale_x_hover="1" transform_scale_y_hover="1" transform_translate_x_hover="0" transform_translate_y_hover="0" transform_rotate_hover="0" transform_skew_x_hover="0" transform_skew_y_hover="0" transform_origin="" transition_duration="300" transition_easing="ease" transition_custom_easing="" animation_type="" animation_direction="left" animation_color="" animation_speed="0.3" animation_delay="0" animation_offset="" last="true" border_position="all" first="true"][fusion_text columns="" column_min_width="" column_spacing="" rule_style="" rule_size="" rule_color="" hue="" saturation="" lightness="" alpha="" content_alignment_medium="" content_alignment_small="" content_alignment="" hide_on_mobile="small-visibility,medium-visibility,large-visibility" sticky_display="normal,sticky" class="" id="" margin_top="" margin_right="" margin_bottom="" margin_left="" fusion_font_family_text_font="" fusion_font_variant_text_font="" font_size="" line_height="" letter_spacing="" text_transform="" text_color="" animation_type="" animation_direction="left" animation_color="" animation_speed="0.3" animation_delay="0" animation_offset=""]

MEM α-Modification with Nucleosides MAX in Hanks’ Buffer (MEM-α-N-MAX-HBSS)

Background

MEM α-Modification with Nucleosides MAX in Hanks’ Buffer (MEM-α-N-MAX-HBSS) is a commonly used media for Mammalian cell culture.

Advantages

The advantages of MEM-α-N-MAX (HBSS) over MEM-α-N (HBSS) are:

Higher PH Capacity
Moreover, it contains 4 mM L-Alanyl-L-Glutamine (0.869 g/L) instead of L-Glutamine and therefore:
Possess longer shelf life.
More importantly, minimizes toxic ammonia build-up.
Significantly improves cell viability and growth.
Remains stable across a wide range of temperatures.
Consequently, it improves the culture of primary cells.

Mechanism

Although L-glutamine is a vital amino acid, it degrades, resulting in the generation of toxic ammonia and pyrrolidine carboxylic acid. One way to minimize L-glutamine degradation in media is to gradually add these amino acids to your cell culture. However, keeping track of time to keep the amount of L-glutamine at the same level is tedious, if not impossible. Alternatively, L-alanyl-L-glutamine can be used because it is much more stable in aqueous solutions. More importantly, it does not easily degrade and gradually releases aminopeptidases. As a result, L-glutamine and L-alanine are then used by the cells for protein production in the TCA cycle. In addition to our Max formulation products, we manufacture PurMa^TMGluaSup (Cat# P3S210 559) is a combination of L-alanyl-L-glutamine which prevents degradation of L-glutamine.

Formulation

The complete formulation can be found here: MEM alpha-MAX with nucleoside in HBSS Buffer Formulation

References

Culture of granulosa cells in collagen gels: the influence of cell shape on steroidogenesis. Carnegie JA, et al. Biol Reprod. 1988 May;38(4):881-90. doi: 10.1095/biolreprod38.4.881. PMID: 3401543
Myelin formation in rat dorsal root ganglion cultured in a serum-free medium. Ninomiya T, Takahashi K. J Anat. 1987 Jun;152:209-13. PMID: 3654371
Long-term organ culture of hamster cheek pouch mucosa. Mock D, Main JH. J Oral Pathol. 1976 Jul;5(4):237-40. doi: 10.1111/j.1600-0714.1976.tb01770.x. PMID: 820846

[/fusion_text][fusion_table fusion_table_type="2" fusion_table_rows="13" fusion_table_columns="2" margin_top="30px" margin_right="" margin_bottom="" margin_left="" hide_on_mobile="small-visibility,medium-visibility,large-visibility" class="" id="" animation_type="" animation_direction="left" animation_color="" hue="" saturation="" lightness="" alpha="" animation_speed="0.3" animation_delay="0" animation_offset=""]

Parameter	Specification
Appearance	Red, clear liquid
pH	7.2 ± 0.1
Osmolality	275-360 mOsm/L
Endotoxin	NMT< 2EU/mL
Mycoplasma	Negative
Suitability	Suitable for mammalian cell culture
Additive	Sodium pyruvate
Indicator	Phenol red
Mycoplasma Detection	Negative
Sterility Tested	Sterile filtered using 0.22 µm filter
Form	Liquid
Shipping Condition	Room temperature

[/fusion_table][/fusion_builder_column][/fusion_builder_row][/fusion_builder_container]1 x 500 ml, 6 x 500 ml, 1 x 1000 ml, 6 x 1000 ml, 1 x 10 L, 1 x 50 L, 10 X 1EZ Individually Packed, 50 X 1EZ Individually Packed Read more

Minimum Essential Media (MEM) In Hanks’ Buffer

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Minimum Essential Media (MEM) In Hanks’ Buffer

Background

Minimum Essential Media (MEM) In Hanks’ Buffer is a modification of Basal Medium Eagle . It was originally developed by Harry Eagle for specific requirements of certain subtypes. Additionally, it includes higher concentrations of amino acids which is more suitable for cultured mammalian cells. Moreover, PurMa Biologics manufactures MEM with Earle’s buffer for use in a CO₂ incubator, or with Hanks' salts for use without CO₂.

PurMa^™ MEM media in Hank’s buffer includes Hank's buffer

Hanks buffer, it contains:

Potassium Chloride
Potassium Phosphate, monobasic
Sodium Bicarbonate
Sodium Chloride
Sodium Phosphate, dibasic

Additionally, MEM in Hanks’ Buffer contains:

Low level of glucose (1.00 g/ liter)
Sodium bicarbonate (0.35 g/L). If , however, higher than 5% CO2 is used, a higher % of sodium bicarbonate is needed.
2 mM L-glutamine (292 mg/L)

Moreover, PurMa Biologics manufactures 122 types of MEM.

Why PurMa Biologics? Why we stand behind our cell culture media

Our products are the outcome of 30 years of experience in cutting edge science. We routinely manufacture over 1500 media. We have the most comprehensive collection of cell and tissue culture media. Moreover, We utilize %99 pure amino acids. This will significantly increase the consistency among your experiments. Considering the highest quality, our prices certainly are extremely reasonable.

Applications

MEM has been used for the cultivation of a wide variety of cells grown in monolayers attached or in suspension cell lines such as HeLa, BHK-21, 293, HEP-2, HT-1080, MCF-7, and fibroblasts as well as primary rat astrocytes. MEM contains no proteins, lipids, or growth factors. Therefore, MEM requires supplementation, commonly with 10% fetal bovine serum (FBS).

Formulation

Complete formulation click here as well as in Formulation Tab: MEM (HBSS) Formulation in Hanks' Buffer

References

Culture of granulosa cells in collagen gels: the influence of cell shape on steroidogenesis. Carnegie et al. Biol Reprod. 1988 May;38(4):881-90. doi: 10.1095/biolreprod38.4.881. PMID: 3401543
Myelin formation in rat dorsal root ganglion cultured in a serum-free medium. Ninomiya et al. J Anat. 1987 Jun;152:209-13. PMID: 3654371

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Parameter	Specification
Appearance	Red, clear liquid
pH	7.2 ± 0.1
Osmolality	275-360 mOsm/L
Endotoxin	NMT< 2EU/mL
Mycoplasma	Negative
Suitability	Suitable for mammalian cell culture
Additive	N/A
Indicator	Phenol red
Mycoplasma Detection	Negative
Sterility Tested	Sterile filtered using 0.22 µm filter
Form	Liquid
Shipping Condition	Room temperature

[/fusion_table][/fusion_builder_column][/fusion_builder_row][/fusion_builder_container]1 x 500 ml, 6 x 500 ml, 1 x 1000 ml, 6 x 1000 ml, 1 x 10 L, 1 x 50 L, 10 X 1EZ Individually Packed, 50 X 1EZ Individually Packed Read more

Advanced Basal Medium Eagle (A-BME) in Hanks’ Buffer

Advanced Basal Medium Eagle (A-BME) in Hanks’ Buffer

Background

Contents

Advanced BME in HBSS Contains:

Crucial Ingredients:

Formulation

References

Advanced MEM Alpha-Modification (A-MEM-α) in Hanks’ Buffer

Background

Contents

Advanced MEM-α in HBSS Contains:

Crucial Ingredients:

Formulation

References

Advanced MEM-Alpha with Nucleosides in Hanks’ Buffer (A-MEM-α-N-HBSS)

Background

Contents

Advanced MEM-α-N in HBSS Contains:

Crucial Ingredients:

Formulation

References

Advanced Minimum Essential Media (A-MEM) in Hanks’ Buffer

Background

Contents

Advanced MEM in HBSS Contains:

Crucial Ingredients:

Formulation

References

Basal Medium Eagle (BME) in Hanks’ Buffer

Background

Ingredients

Application

Formulation

References

Basal Medium Eagle-MAX (BME-MAX) in Hanks’ Buffer

Background

Advantages

The advantages of BME-MAX over BME are:

Mechanism

Contents

Basal Medium Eagle-MAX (BME-MAX) in Hanks’ Buffer contains:

Formulation

References

Hanks’ Balanced Salt Solution (HBSS)

Background

Grades of Hanks’ Balanced Salt Solution (HBSS)

Regular Grade Buffer

Cell Culture Suited Grade Buffer

RNase and DNase Free Grade Buffer

Cell Culture Suited / Endotoxin Depleted Grade Buffer

The Endotoxin Removing Procedure from Buffer

General Features

Specific Features

Application

Formulation

References

MEM Alpha Modification (MEM-α) in Hanks’ Buffer

Background

Ingredients

PurMa™ MEM -α media in Hank’s buffer includes HBSS

Why PurMa Biologics? Why we stand behind our cell culture media

Application

Formulation

References

MEM Alpha-Modification MAX (MEM-α-MAX) in Hanks’ Buffer

Background

Advantages

The advantages of MEM-α-MAX in HBBS over MEM-α are:

Mechanism

Contents

MEM Alpha-Modification MAX (MEM-α-MAX) in Hanks’ Buffer contains:

Formulation

References

MEM α-Modification with Nucleosides in Hanks’ Buffer

Background

Ingredients

PurMa™ MEM-α-N-HBSS contains HBSS buffer

Why PurMa Biologics? Why we stand behind our cell culture media

Application

PurMa^™ MEM media in Hank’s buffer includes Hank's buffer