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Overview
Centre Testing International Group Co., Ltd. (CTI) is a market leader in testing, inspection, certification, calibration, audit, training & technical services; building trust between governments, enterprises, and consumers.
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SustainabilitySustainability is deeply rooted in CTI’s business model, by delivering science-based solutions and verification services, to increase transparency and traceability throughout the global value chain. CTI is a proponent of carbon neutrality and sustainable development.
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Our serviceCentre Testing International Co., Ltd. (CTI) is the pioneer and leader in the TIC Industry which provides one-stop solutions on testing, inspection, certification, calibration, audit, training & technical services.
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By Industry
Our service capabilties cover the upstream and downstream of the supply chain including textile and apparel,toys,electronic appliances,medical health,food...andother industries.
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Environment
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Raw Material & Fuel Chemicals
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Textiles, Apparel, Footwear & Accessories
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Food & Agricultural Products
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Cosmetics, Personal Care & Household Chemicals
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Building Materials&Construction Engineering
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Electronic & Electrical Appliances
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Toys, Furniture & Home Decoration
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Industrial Equipment & Manufacturing
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Rail & Aviation
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Automotive & Spare Parts
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Pharma and Medical Services
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Maritime Vessel Compliance Testing
By IndustryOur service capabilties cover the upstream and downstream of the supply chain including textile and apparel,toys,electronic appliances,medical health,food...andother industries.
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SpecialtyComprehensively guarantee quality and safety, promote compliance and innovation, demonstrate brand competitiveness, and achieve higher quality, healthier, safer, and greener sustainable development.
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ManagementWe have established a clear governance structure in accordance with listing requirements and national regulations and policies to deal with internal and external challenges and achieve sustainable development.
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Information DisclosureWe are committed to establishing normal and effective two-way communication with shareholders and investors. We have established a complete information disclosure mechanism to convey information to shareholders in a timely manner.
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Talents PolicyEnsuring the basic rights and benefits of employees;
Providing professional skills training to promote employees’ growth;
Carrying out various kinds of activities to balance employees’ work and life.
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RecruitmentWelcome to join CTI family! We are providing a platform for you to show your talents and achieve your career aspiration.
QUALITY & VALUE
The main components of cell culture medium/fluid include inorganic salts, trace elements, amino acids, vitamins, organic acids, nucleosides, purines, etc. CTI Sinotest provides you with quantitative analysis of 30 trace elements and 60 organic compounds, and semi-quantitative scanning analysis of more than 60 elements and 100 organic compounds.
Service Background
The composition of cell culture medium/fluid is critical to cell growth. Monitoring changes in key components of the culture medium is an important part of the biopharmaceutical process.
Applicable Products
Applicable to synthetic cell culture media/fluids.
Service Content
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Semi-quantitative scanning analysis Semi-quantitative scanning of elements in culture media by ICP-MS to quickly determine the types and range of trace elements. Semi-quantitative scanning analysis of organic matter in culture medium by LC-MSMS method, choosing analogues as internal standards. |
Quantitative analysis ICP-OES was used to quantitatively analyze the inorganic salts with high content in the medium; ICP-MS was used to quantitatively analyze the trace elements with low content in the medium; and LC-QQQ was used to quantitatively analyze the target substances. The methodological validation meets the relevant requirements of ICH Q2 R2 guidelines. |
Featured Services
Detection of about 30 kinds of inorganic salts and trace elements.
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Category |
Serial number |
Element symbol |
Testing instrument |
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Inorganic Salts |
1 |
Na |
ICP-OES/MS |
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2 |
K |
ICP-OES/MS |
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3 |
Ca |
ICP-OES/MS |
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4 |
Mg |
ICP-OES/MS |
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|
5 |
P |
ICP-OES/MS |
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|
6 |
S |
ICP-OES/MS |
|
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Trace Elements |
1 |
Fe |
ICP-OES/MS |
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2 |
Co |
ICP- MS |
|
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3 |
Ni |
ICP- MS |
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4 |
Cu |
ICP- MS |
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5 |
Zn |
ICP- MS |
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6 |
Se |
ICP- MS |
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7 |
Cr |
ICP- MS |
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8 |
Mn |
ICP- MS |
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9 |
Mo |
ICP- MS |
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10 |
B |
ICP- MS |
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11 |
Li |
ICP- MS |
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12 |
Al |
ICP- MS |
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13 |
Si |
ICP- MS |
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14 |
V |
ICP- MS |
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15 |
Sn |
ICP- MS |
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16 |
Ge |
ICP- MS |
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17 |
Sr |
ICP- MS |
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18 |
Rb |
ICP- MS |
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19 |
Ba |
ICP- MS |
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20 |
Zr |
ICP- MS |
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21 |
Pb |
ICP- MS |
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22 |
Ag |
ICP- MS |
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23 |
Ti |
ICP- MS |
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24 |
Cd |
ICP- MS |
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25 |
As |
ICP- MS |
Detects 24 amino acids, including 10 essential amino acids and 14 non-essential amino acids for cell growth.
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Classification |
No. |
Name |
Abbreviation |
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Essential Amino Acids |
1 |
L-Isoleucine |
Iso |
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2 |
L-Leucine |
Leu |
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3 |
L-Lysine |
Lys |
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4 |
L-Methionine |
Met |
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5 |
L-Phenylalanine |
Phe |
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6 |
L-Threonine |
Phe |
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7 |
L-Tryptophan |
Try |
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8 |
L-Valine |
Val |
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9 |
L-Histidine |
His |
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10 |
L-Glutamine |
Gln |
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Nonessential Amino Acids |
1 |
L-Alanine |
Ala |
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2 |
L-Arginine |
Arg |
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3 |
L-Aspartic acid |
Asp |
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4 |
L-Cystine |
Cys-cys |
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5 |
L-Glutamic acid |
Glu |
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6 |
Glycinev |
Gly |
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7 |
L-Proline |
Pro |
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8 |
L-Serine |
Ser |
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9 |
L-Tyrosine |
Tyr |
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10 |
L-Cysteine |
Cys |
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11 |
L-Asparagine |
Asn |
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12 |
Taurine |
Tau |
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13 |
L-Ornithine |
Orn |
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14 |
Hydroxy-L-proline |
HyPro |
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