国产人妖一区,男男黄色片,妓院一钑片免看黄大片

Home - Products - Cell Culture

L-Tyrosine Disodium Salt Dihydrate
CAS No.： 122666-87-9

Authentication：

Quality Standard ： In house

Molecular formula ： C9H14NNaO4

Molecular weight ： 261.19

Description ： L-Tyrosine Disodium Salt Dihydrate is a water-soluble salt of L-Tyrosine, which is used as a cell culture medium component for commercial biomanufacturing of therapeutic recombinant proteins and monoclonal antibodies. Extremely hygroscopic, it can be used in insect cell culture.

L-Tyrosine Disodium Salt Dihydrate is a water-soluble salt of L-Tyrosine, which is used as a cell culture medium component for commercial biomanufacturing of therapeutic recombinant proteins and monoclonal antibodies. Extremely hygroscopic, it can be used in insect cell culture.
L-Glutamine
CAS No.： 56-85-9

Authentication： ISO, FSSC22000, KOSHER

Quality Standard ： In house

Molecular formula ： C5H10N2O3

Molecular weight ： 146.14

Description ： L-Glutamine is an essential amino acid and an important component of culture media as a major energy source in cell culture. L-Glutamine is extremely stable in dry powder and frozen solution form. However, L-glutamine degrades relatively quickly in liquid media or storage solutions. Optimal cell performance usually requires the addition of L-glutamine supplements to the culture medium prior to use.

L-Glutamine is an essential amino acid and an important component of culture media as a major energy source in cell culture. L-Glutamine is extremely stable in dry powder and frozen solution form. However, L-glutamine degrades relatively quickly in liquid media or storage solutions. Optimal cell performance usually requires the addition of L-glutamine supplements to the culture medium prior to use.
L-Arginine
CAS No.： 74-79-3

Authentication： ISO, FSSC22000, IP, MUI HALAL, KOSHER, IFANCA, REACH

Quality Standard ： USP, EP

Molecular formula ： C6H14N4O2

Molecular weight ： 174.2

Description ： L-Arginine is a basic, semi-essential amino acid (essential in children, non-essential in adults) that plays a crucial role in the production of nitric oxide and is a substrate for nitric oxide synthase, which is converted to citrulline and nitric oxide(NO). Induces insulin release through a mechanism related to nitric oxide. It is a precursor for the synthesis of polyamines, guanosine and urea.

L-Arginine is a basic, semi-essential amino acid (essential in children, non-essential in adults) that plays a crucial role in the production of nitric oxide and is a substrate for nitric oxide synthase, which is converted to citrulline and nitric oxide(NO). Induces insulin release through a mechanism related to nitric oxide. It is a precursor for the synthesis of polyamines, guanosine and urea.
L-Cysteine Hydrochloride Monohydrate
CAS No.： 7048-04-6

Authentication： GMP, ISO, FSSC22000, MUI HALAL, KOSHER, IFANCA, IP, REACH

Quality Standard ： CP, EP, USP, AJI

Molecular formula ： C3H10ClNO3S

Molecular weight ： 175.64

Description ： L-cysteine hydrochloride monohydrate is a hydrate of the water-soluble salt of the non-essential amino acid L-cysteine. Used as a component of cell culture media for the commercial biomanufacture of therapeutic recombinant proteins and monoclonal antibodies.

L-cysteine hydrochloride monohydrate is a hydrate of the water-soluble salt of the non-essential amino acid L-cysteine. Used as a component of cell culture media for the commercial biomanufacture of therapeutic recombinant proteins and monoclonal antibodies.
L-Histidine
CAS No.： 71-00-1

Authentication： ISO, FSSC22000, KOSHER, IFANCA

Quality Standard ： In house

Molecular formula ： C6H9N3O2

Molecular weight ： 155.16

Description ： L-Histidine is a semi-essential amino acid (essential in children, non-essential in adults) that binds to metal ions and aids in copper transport. Histidine is widely found in the active sites of enzymes. It is a cell culture medium component for the production of therapeutic recombinant proteins and monoclonal antibodies.

L-Histidine is a semi-essential amino acid (essential in children, non-essential in adults) that binds to metal ions and aids in copper transport. Histidine is widely found in the active sites of enzymes. It is a cell culture medium component for the production of therapeutic recombinant proteins and monoclonal antibodies.
L-Histidine Hydrochloride
CAS No.： 5934-29-2

Authentication： KOSHER, IFANCA

Quality Standard ： EP

Molecular formula ： C6H12ClN3O3

Molecular weight ： 209.63

Description ： L-Histidine hydrochloride monohydrate is an improved form of L-Histidine that improves its solubility. L-Histidine hydrochloride of non-animal origin is used in cell culture media formulations for biomanufacturing. The use of L-Histidine and other ingredients of non-animal origin avoids the risk of contamination of biological products with foreign viruses. L-Histidine hydrochloride hydrate can be used in cell culture media for honey bees.

L-Histidine hydrochloride monohydrate is an improved form of L-Histidine that improves its solubility. L-Histidine hydrochloride of non-animal origin is used in cell culture media formulations for biomanufacturing. The use of L-Histidine and other ingredients of non-animal origin avoids the risk of contamination of biological products with foreign viruses. L-Histidine hydrochloride hydrate can be used in cell culture media for honey bees.
L-Arginine Hydrochloride
CAS No.： 1119-34-2

Authentication： MUI HALAL, KOSHER, IFANCA

Quality Standard ： AJI, USP

Molecular formula ： C6H15ClN4O2

Molecular weight ： 210.66

Description ： L-Arginine hydrochloride is an improved form of L-Arginine that improves the strong alkalinity of L-Arginine. Non-animal source L-arginine hydrochloride is used in cell culture media formulations for biomanufacturing. The use of non-animal-derived L-arginine and other ingredients avoids the risk of contamination of biological products with foreign viruses.

L-Arginine hydrochloride is an improved form of L-Arginine that improves the strong alkalinity of L-Arginine. Non-animal source L-arginine hydrochloride is used in cell culture media formulations for biomanufacturing. The use of non-animal-derived L-arginine and other ingredients avoids the risk of contamination of biological products with foreign viruses.
L-Leucine
CAS No.： 61-90-5

Authentication： ISO, FSSC22000, KOSHER, IFANCA, MUI HALAL

Quality Standard ： AJI, USP

Molecular formula ： C6H13NO2

Molecular weight ： 131.17

Description ： L-Leucine is a non-biogenic sugar essential amino acid. It is a branched chain amino acid of structural composition of proteins. Leucine has a positive effect on the release of insulin, which leads to the elimination of toxic sugars from the blood. Degradation of Leucine can lead to the formation of ketone bodies. It can be used as a cell culture medium component for commercial biomanufacturing of therapeutic recombinant proteins and monoclonal antibodies.

L-Leucine is a non-biogenic sugar essential amino acid. It is a branched chain amino acid of structural composition of proteins. Leucine has a positive effect on the release of insulin, which leads to the elimination of toxic sugars from the blood. Degradation of Leucine can lead to the formation of ketone bodies. It can be used as a cell culture medium component for commercial biomanufacturing of therapeutic recombinant proteins and monoclonal antibodies.
L-Isoleucine
CAS No.： 73-32-5

Authentication： ISO, FSSC22000, KOSHER, MUI HALAL

Quality Standard ： In house

Molecular formula ： C6H13NO2

Molecular weight ： 131.17

Description ： L-isoleucine is an essential amino acid synthesized from threonine. It is a branched-chain hydrophobic amino acid. L-isoleucine is an isomer of L-leucine. It is also one of the components of amino acid mixtures used as one of the supplements in total synthesis (SC) media. It can be used as a cell culture medium component for commercial biomanufacturing of therapeutic recombinant proteins and monoclonal antibodies.

L-isoleucine is an essential amino acid synthesized from threonine. It is a branched-chain hydrophobic amino acid. L-isoleucine is an isomer of L-leucine. It is also one of the components of amino acid mixtures used as one of the supplements in total synthesis (SC) media. It can be used as a cell culture medium component for commercial biomanufacturing of therapeutic recombinant proteins and monoclonal antibodies.
L-Cystine
CAS No.： 56-89-3

Authentication： ISO, FSSC22000, KOSHER, IFANCA, MUI HALAL, REACH

Quality Standard ： AJI, FCC

Molecular formula ： C6H12N2O4S2

Molecular weight ： 240.3

Description ： L-Cystine from non-animal sources is used as a component of cell culture media for the commercial biomanufacturing of therapeutic recombinant proteins and monoclonal antibodies. Cystine is the dimerized form of cysteine. L-Cystine is essential for oxygen production in arterial smooth muscle cells and for the modification of low density lipoproteins. It also plays a role in the synthesis of glutathione.

L-Cystine from non-animal sources is used as a component of cell culture media for the commercial biomanufacturing of therapeutic recombinant proteins and monoclonal antibodies. Cystine is the dimerized form of cysteine. L-Cystine is essential for oxygen production in arterial smooth muscle cells and for the modification of low density lipoproteins. It also plays a role in the synthesis of glutathione.
L-Cysteine Hydrochloride Anhydrous
CAS No.： 52-89-1

Authentication： ISO, FSSC22000, KOSHER, IFANCA, MUI HALAL, IP, REACH

Quality Standard ： AJI

Molecular formula ： C3H8ClNO2S

Molecular weight ： 157.62

Description ： L-cysteine hydrochloride is the water-soluble salt of the non-essential amino acid L-cysteine. L-cysteine hydrochloride is used as one of the reagents for cell dissociation and single-cell collection.

L-cysteine hydrochloride is the water-soluble salt of the non-essential amino acid L-cysteine. L-cysteine hydrochloride is used as one of the reagents for cell dissociation and single-cell collection.
L-Cysteine
CAS No.： 52-90-4

Authentication： ISO, FSSC22000, KOSHER, IP, MUI HALAL, IFANCA, REACH

Quality Standard ： AJI, JP

Molecular formula ： C3H7NO2S

Molecular weight ： 121.16

Description ： L-Cysteine is a sulfur-containing non-essential amino acid. It is often used as a component of cell culture media for the commercial biomanufacture of therapeutic recombinant proteins and monoclonal antibodies. L-Cysteine is a source of disulfide bonds in proteins and may play a role in sulfur transport. It can undergo rapid oxidation to form cysteine under physiological pH conditions. Taurine is a metabolite of cysteine and acts as an antioxidant to control the cellular redox state.

L-Cysteine is a sulfur-containing non-essential amino acid. It is often used as a component of cell culture media for the commercial biomanufacture of therapeutic recombinant proteins and monoclonal antibodies. L-Cysteine is a source of disulfide bonds in proteins and may play a role in sulfur transport. It can undergo rapid oxidation to form cysteine under physiological pH conditions. Taurine is a metabolite of cysteine and acts as an antioxidant to control the cellular redox state.
L-Cystine Dihydrochloride
CAS No.： 30925-07-6

Authentication： IP, REACH

Quality Standard ： In house

Molecular formula ： C6H13ClN2O4S2

Molecular weight ： 313.22

Description ： L-Cystine dihydrochloride is a modified form of L-Cystine with improved solubility. It is used as a cell culture media component and raw material for commercial biomanufacturing of therapeutic recombinant proteins and monoclonal antibodies.

L-Cystine dihydrochloride is a modified form of L-Cystine with improved solubility. It is used as a cell culture media component and raw material for commercial biomanufacturing of therapeutic recombinant proteins and monoclonal antibodies.
L-Serine
CAS No.： 56-45-1

Authentication： ISO, FSSC22000, KOSHER, REACH

Quality Standard ： AJI, EP, USP

Molecular formula ： C3H7NO3

Molecular weight ： 105.09

Description ： L-serine is a non-essential amino acid that is a precursor for nucleotide synthesis. It plays a role in the development and function of the central nervous system. It is used as a cell culture medium component and raw material for the commercial biomanufacturing of therapeutic recombinant proteins and monoclonal antibodies.

L-serine is a non-essential amino acid that is a precursor for nucleotide synthesis. It plays a role in the development and function of the central nervous system. It is used as a cell culture medium component and raw material for the commercial biomanufacturing of therapeutic recombinant proteins and monoclonal antibodies.
L-Lysine Hydrochloride
CAS No.： 657-27-2

Authentication： ISO, FSSC22000, KOSHER

Quality Standard ： AJI, USP

Molecular formula ： C6H15ClN2O2

Molecular weight ： 182.65

Description ： L-Lysine is an essential amino acid. It is synthesized from naturally occurring aspartic acid in plants and bacteria. L-lysine hydrochloride is the most commonly used form of lysine, has better solubility, and is a more efficient way to provide L-lysine for human or cell culture. It is used as a cell culture medium component in the commercial biomanufacturing of therapeutic recombinant proteins and monoclonal antibodies.

L-Lysine is an essential amino acid. It is synthesized from naturally occurring aspartic acid in plants and bacteria. L-lysine hydrochloride is the most commonly used form of lysine, has better solubility, and is a more efficient way to provide L-lysine for human or cell culture. It is used as a cell culture medium component in the commercial biomanufacturing of therapeutic recombinant proteins and monoclonal antibodies.
L-Tyrosine
CAS No.： 60-18-4

Authentication： ISO, FSSC22000, KOSHER, IFANCA, MUI HALAL, REACH

Quality Standard ： AJI, USP

Molecular formula ： C9H11NO3

Molecular weight ： 181.19

Description ： L-Tyrosine is a polar, naturally occurring non-essential amino acid. Amino acid precursor of dopamine and other catecholamines. L-Tyrosine is a naturally occurring amino acid that is incorporated into proteins as guided by the genetic code and is a polar amino acid with a phenolic functional group. This phenolic function makes tyrosine residues in proteins the primary receptors for reactions such as phosphorylation/dephosphorylation important for cell signaling.

L-Tyrosine is a polar, naturally occurring non-essential amino acid. Amino acid precursor of dopamine and other catecholamines. L-Tyrosine is a naturally occurring amino acid that is incorporated into proteins as guided by the genetic code and is a polar amino acid with a phenolic functional group. This phenolic function makes tyrosine residues in proteins the primary receptors for reactions such as phosphorylation/dephosphorylation important for cell signaling.
L-Valine
CAS No.： 72-18-4

Authentication： ISO, FSSC22000, KOSHER, MUI HALAL

Quality Standard ： AJI

Molecular formula ： C5H11NO2

Molecular weight ： 117.15

Description ： L-Valine is an essential amino acid involved in the biosynthesis of glutamine and alanine. Valine is a branched-chain amino acid (BCAA) that is balanced between BCAAs. Chronic deficiency of L-valine results in growth impairment, organ damage and loss of muscle mass. It can be used as a cell culture medium component for commercial biomanufacturing of therapeutic recombinant proteins and monoclonal antibodies.

L-Valine is an essential amino acid involved in the biosynthesis of glutamine and alanine. Valine is a branched-chain amino acid (BCAA) that is balanced between BCAAs. Chronic deficiency of L-valine results in growth impairment, organ damage and loss of muscle mass. It can be used as a cell culture medium component for commercial biomanufacturing of therapeutic recombinant proteins and monoclonal antibodies.
Glycine
CAS No.： 56-40-6

Authentication： ISO, FSSC22000, KOSHER, IFANCA, MUI HALAL

Quality Standard ： In house

Molecular formula ： C2H5NO2

Molecular weight ： 75.07

Description ： Glycine is a non-essential amino acid. It is the simplest amino acid and has a variety of roles in biology. Unique among biological amino acids, the structure of glycine is unique in that it does not have an asymmetric center and is therefore not chiral. It is often used as a cell culture medium component for the commercial biomanufacturing of therapeutic recombinant proteins and monoclonal antibodies.

Glycine is a non-essential amino acid. It is the simplest amino acid and has a variety of roles in biology. Unique among biological amino acids, the structure of glycine is unique in that it does not have an asymmetric center and is therefore not chiral. It is often used as a cell culture medium component for the commercial biomanufacturing of therapeutic recombinant proteins and monoclonal antibodies.
L-Glutamic Acid
CAS No.： 56-86-0

Authentication： HALAL, KOSHER

Quality Standard ： AJI, CP, EP, USP

Molecular formula ： C5H9NO4

Molecular weight ： 147.13

Description ： L-glutamic acid is used as a supplement to cell culture media, where it is converted to alpha-ketoglutarate, a key component of the TCA (tricarboxylic acid) cycle and a precursor for the biosynthesis of nucleic acids and certain amino acids.

L-glutamic acid is used as a supplement to cell culture media, where it is converted to alpha-ketoglutarate, a key component of the TCA (tricarboxylic acid) cycle and a precursor for the biosynthesis of nucleic acids and certain amino acids.
L-Methionine
CAS No.： 63-68-3

Authentication： HALAL, KOSHER

Quality Standard ： AJI, CP, EP, USP

Molecular formula ： C5H11NO2S

Molecular weight ： 149.21

Description ： L-Methionine is an essential amino acid that is a precursor for transmethylation and transsulfuration. It is used as a cell culture medium component in the commercial biomanufacturing of therapeutic recombinant proteins and monoclonal antibodies. Adenylation of L-methionine forms S-adenosyl-L-methionine (SAM), which is a methyl donor for a number of substances. The metabolite of L-methionine, glutathione, is known to modulate immune responses and to have antiviral effects.

L-Methionine is an essential amino acid that is a precursor for transmethylation and transsulfuration. It is used as a cell culture medium component in the commercial biomanufacturing of therapeutic recombinant proteins and monoclonal antibodies. Adenylation of L-methionine forms S-adenosyl-L-methionine (SAM), which is a methyl donor for a number of substances. The metabolite of L-methionine, glutathione, is known to modulate immune responses and to have antiviral effects.
L-Aspartic Acid
CAS No.： 56-84-8

Authentication： ISO, FSSC22000, KOSHER, IFANCA

Quality Standard ： In house

Molecular formula ： C4H7NO4

Molecular weight ： 133.1

Description ： L-Aspartic acid is a non-essential amino acid. It is involved in the urea cycle, the Krebs cycle and DNA metabolism.

L-Aspartic acid is a non-essential amino acid. It is involved in the urea cycle, the Krebs cycle and DNA metabolism.
L-Phenylalanine
CAS No.： 63-91-2

Authentication： ISO, FSSC22000, KOSHER, MUI HALAL, REACH

Quality Standard ： In house

Molecular formula ： C9H11NO2

Molecular weight ： 165.19

Description ： L-Phenylalanine is an essential amino acid. L-Phenylalanine is used as a component of cell culture media for the commercial biomanufacture of therapeutic recombinant proteins and monoclonal antibodies. It is involved in the synthesis of many neurotransmitters such as dopamine, epinephrine, norepinephrine, I-DOPA (dihydroxyphenylalanine), melanin and thyroxine.

L-Phenylalanine is an essential amino acid. L-Phenylalanine is used as a component of cell culture media for the commercial biomanufacture of therapeutic recombinant proteins and monoclonal antibodies. It is involved in the synthesis of many neurotransmitters such as dopamine, epinephrine, norepinephrine, I-DOPA (dihydroxyphenylalanine), melanin and thyroxine.
L-Alanine
CAS No.： 56-41-7

Authentication： HALAL, KOSHER

Quality Standard ： AJI, CP, EP, USP

Molecular formula ： C3H7NO2

Molecular weight ： 89.09

Description ： L-Alanine is a non-essential amino acid. It is used as a cell culture medium component for commercial biomanufacturing of therapeutic recombinant proteins and monoclonal antibodies.

L-Alanine is a non-essential amino acid. It is used as a cell culture medium component for commercial biomanufacturing of therapeutic recombinant proteins and monoclonal antibodies.
L-Tryptophan
CAS No.： 73-22-3

Authentication： FSSC22000, KOSHER, REACH

Quality Standard ： In house

Molecular formula ： C11H12N2O2

Molecular weight ： 204.23

Description ： L-Tryptophan is an essential amino acid. It occurs naturally in plant and animal proteins. It is used as a cell culture medium component in the commercial biomanufacturing of therapeutic recombinant proteins and monoclonal antibodies. It is an amino acid precursor of serotonin and melatonin.

L-Tryptophan is an essential amino acid. It occurs naturally in plant and animal proteins. It is used as a cell culture medium component in the commercial biomanufacturing of therapeutic recombinant proteins and monoclonal antibodies. It is an amino acid precursor of serotonin and melatonin.
L-Hydroxyproline
CAS No.： 51-35-4

Authentication： ISO, FSSC22000, KOSHER, MUI HALAL

Quality Standard ： AJI

Molecular formula ： C5H9NO3

Molecular weight ： 131.13

Description ： A natural component of animal structural proteins such as collagen and elastin.

A natural component of animal structural proteins such as collagen and elastin.
L-Threonine
CAS No.： 72-19-5

Authentication： HALAL, KOSHER

Quality Standard ： AJI, CP, EP, USP

Molecular formula ： C4H9NO3

Molecular weight ： 119.12

Description ： L-Threonine is an essential amino acid. L-Threonine is involved in the synthesis of mucins, which are proteins that support intestinal function and integrity. L-Threonine is required for the functioning of the immune system. It is also necessary for O-linked glycosylation, protein phosphorylation and glycine synthesis. Can be used as a cell culture medium component for commercial biomanufacturing of therapeutic recombinant proteins and monoclonal antibodies.

L-Threonine is an essential amino acid. L-Threonine is involved in the synthesis of mucins, which are proteins that support intestinal function and integrity. L-Threonine is required for the functioning of the immune system. It is also necessary for O-linked glycosylation, protein phosphorylation and glycine synthesis. Can be used as a cell culture medium component for commercial biomanufacturing of therapeutic recombinant proteins and monoclonal antibodies.
L-Alanyl-L-Glutamine
CAS No.： 39537-23-0

Authentication：

Quality Standard ： CP, USP

Molecular formula ： C8H15N3O4

Molecular weight ： 217.22

Description ： Alanyl glutamine(Ala-Gln) is a dipeptide used in mammalian cell culture media as a replacement for glutamine, which has deleterious effects on cultured cells due to the instability of glutamine in solution and the formation of ammonia as a breakdown product. Ala-Glu is thermally stable and has a low ammonia origin than glutamine, which is an advantage for its use as a culture media component.

Alanyl glutamine(Ala-Gln) is a dipeptide used in mammalian cell culture media as a replacement for glutamine, which has deleterious effects on cultured cells due to the instability of glutamine in solution and the formation of ammonia as a breakdown product. Ala-Glu is thermally stable and has a low ammonia origin than glutamine, which is an advantage for its use as a culture media component.
L-Asparagine Monohydrate
CAS No.： 5794-13-8

Authentication： SC, FSSC22000

Quality Standard ： AJI, CP, EP, USP

Molecular formula ： C4H10N2O4

Molecular weight ： 150.13

Description ： L-Asparagine is used in cell culture media and is a component of MEM Non-Essential Amino Acid Solution. L-Asparagine is a structural analog of L-Aspartic Acid in which the side chain of the carboxylic acid portion is amidated to give a terminal amine group, which renders L-Asparagine neutral at physiological pH. L-asparagine from non-animal sources is a proteogenic amino acid that can be used in cell culture systems for the production of therapeutic recombinant proteins and monoclonal antibodies

L-Asparagine is used in cell culture media and is a component of MEM Non-Essential Amino Acid Solution. L-Asparagine is a structural analog of L-Aspartic Acid in which the side chain of the carboxylic acid portion is amidated to give a terminal amine group, which renders L-Asparagine neutral at physiological pH. L-asparagine from non-animal sources is a proteogenic amino acid that can be used in cell culture systems for the production of therapeutic recombinant proteins and monoclonal antibodies
L-Ornithine Hydrochloride
CAS No.： 3184-13-2

Authentication： IP, KOSHER, IFANCA, REACH

Quality Standard ： AJI

Molecular formula ： C5H13ClN2O2

Molecular weight ： 168.62

Description ： L-Ornithine is a non-genetically coded amino acid. It is formed during the breakdown of spermidine by the enzyme spermatase and is involved in the urea cycle. Ornithine is the starting point for the formation of the polyamine family including spermine, spermidine and putrescine. Used as a media supplement to support polyamine biosynthesis.

L-Ornithine is a non-genetically coded amino acid. It is formed during the breakdown of spermidine by the enzyme spermatase and is involved in the urea cycle. Ornithine is the starting point for the formation of the polyamine family including spermine, spermidine and putrescine. Used as a media supplement to support polyamine biosynthesis.
L-Cystine Disodium Salt Hydrate
CAS No.： 199329-53-8

Authentication：

Quality Standard ： In house

Molecular formula ： C6H15N2NaO5S2

Molecular weight ： 302.3

Description ： L-Cystine Disodium Salt Monohydrate is a modified form of L-Cystine with improved solubility. It is used as a cell culture medium component and raw material for commercial biomanufacturing of therapeutic recombinant proteins and monoclonal antibodies.

L-Cystine Disodium Salt Monohydrate is a modified form of L-Cystine with improved solubility. It is used as a cell culture medium component and raw material for commercial biomanufacturing of therapeutic recombinant proteins and monoclonal antibodies.