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LC-MS/MS
KCAS has established a wide range of assays in various biological matrices.
The methods tabulated below vary from Qualified to Fully Validated Methods.
Assay Search
Cortisol
Matrix:
Human Plasma
LLOQ:
40.4
Unit:
ng/mL
Platform:Â
LC-MS/MS
Cromolyn
Matrix:
Human Plasma
LLOQ:
10
Unit:
ng/mL
Platform:Â
LC-MS/MS
Cromolyn
Matrix:
Human CSF
LLOQ:
0.1
Unit:
ng/mL
Platform:Â
LC-MS/MS
Cyclobenzaprine
Matrix:
Dog Plasma
LLOQ:
0.1
Unit:
ng/mL
Platform:Â
LC-MS/MS
Cyclobenzaprine
Matrix:
Human Plasma
LLOQ:
0.1
Unit:
ng/mL
Platform:Â
LC-MS/MS
Cytarabine (Ara-C)
Matrix:
Human Plasma
LLOQ:
20
Unit:
ng/mL
Platform:Â
LC-MS/MS
Deoxycholic Acid
Matrix:
Human Plasma
LLOQ:
10
Unit:
ng/mL
Platform:Â
LC-MS/MS
Dexamethasone
Matrix:
Human Plasma
LLOQ:
0.25
Unit:
ng/mL
Platform:Â
LC-MS/MS
Dextromethorphan
Matrix:
Human Plasma
LLOQ:
50
Unit:
pg/mL
Platform:Â
LC-MS/MS
Diclofenac
Matrix:
Human Plasma
LLOQ:
5
Unit:
ng/mL
Platform:Â
LC-MS/MS
Digoxin
Matrix:
Human Plasma
LLOQ:
0.1
Unit:
ng/mL
Platform:Â
LC-MS/MS
Diltiazem / N-Desmethyldiltiazem / Desacetyldiltiazem
Matrix:
Human Plasma
LLOQ:
4 / 2 / 1
Unit:
ng/mL
Platform:Â
LC-MS/MS
Diphenydramine
Matrix:
Human Plasma
LLOQ:
1
Unit:
ng/mL
Platform:Â
LC-MS/MS
Dipyridamole
Matrix:
Human Plasma
LLOQ:
50
Unit:
ng/mL
Platform:Â
LC-MS/MS
Doxepin / Nordoxepin
Matrix:
Human Urine
LLOQ:
0.25 / 0.20
Unit:
ng/mL
Platform:Â
LC-MS/MS
Doxorubicin
Matrix:
Human Plasma
LLOQ:
100
Unit:
ng/mL
Platform:Â
LC-MS/MS
Doxorubicin
Matrix:
Human Urine
LLOQ:
1.5
Unit:
ng/mL
Platform:Â
LC-MS/MS
Doxorubicin/Doxorubicinol
Matrix:
Human Plasma
LLOQ:
0.5 / 0.5
Unit:
ng/mL
Platform:Â
LC-MS/MS
Efavirenz
Matrix:
Human Plasma
LLOQ:
50
Unit:
ng/mL
Platform:Â
LC-MS/MS
Enalapril & Enalaprilat
Matrix:
Human Plasma
LLOQ:
250
Unit:
pg/mL
Platform:Â
LC-MS/MS
Esomeprazole
Matrix:
Human Plasma
LLOQ:
0.25
Unit:
ng/mL
Platform:Â
LC-MS/MS
Ethambutol
Matrix:
Human DBS
LLOQ:
100
Unit:
ng/mL
Platform:Â
LC-MS/MS
Famotidine
Matrix:
Human Plasma
LLOQ:
2
Unit:
ng/mL
Platform:Â
LC-MS/MS
Famotidine
Matrix:
Human Urine
LLOQ:
2
Unit:
ng/mL
Platform:Â
LC-MS/MS
Felodipine
Matrix:
Human Plasma
LLOQ:
25
Unit:
pg/mL
Platform:Â
LC-MS/MS
Fenofibric Acid
Matrix:
Human Plasma
LLOQ:
25
Unit:
ng/mL
Platform:Â
LC-MS/MS
Fexofenadine
Matrix:
Human Plasma
LLOQ:
1
Unit:
ng/mL
Platform:Â
LC-MS/MS
Fexofenadine
Matrix:
Mouse Plasma
LLOQ:
25
Unit:
ng/mL
Platform:Â
LC-MS/MS
Fexofenadine
Matrix:
Rabbit Plasma
LLOQ:
25
Unit:
ng/mL
Platform:Â
LC-MS/MS
Fexofenadine
Matrix:
Rat Plasma
LLOQ:
25
Unit:
ng/mL
Platform:Â
LC-MS/MS
Flavoxate / MFCA metabolite
Matrix:
Human Plasma
LLOQ:
0.1
Unit:
ng/mL
Platform:Â
LC-MS/MS
Furosemide
Matrix:
Human Plasma
LLOQ:
50
Unit:
ng/mL
Platform:Â
LC-MS/MS
Furosemide
Matrix:
Human Urine
LLOQ:
50
Unit:
ng/mL
Platform:Â
LC-MS/MS
Granisetron
Matrix:
Dog Plasma
LLOQ:
100
Unit:
pg/mL
Platform:Â
LC-MS/MS
Guaifenesin
Matrix:
Human Plasma
LLOQ:
2.5
Unit:
ng/mL
Platform:Â
LC-MS/MS
Guaifenesin / Naproxen
Matrix:
Human Plasma
LLOQ:
10 / 250
Unit:
ng/mL
Platform:Â
LC-MS/MS
Haloperidol
Matrix:
Human Plasma
LLOQ:
25
Unit:
pg/mL
Platform:Â
LC-MS/MS
Homocysteine
Matrix:
Rat Plasma
LLOQ:
5
Unit:
mcg/mL
Platform:Â
LC-MS/MS
Homocysteine
Matrix:
Dog Plasma
LLOQ:
5
Unit:
mcg/mL
Platform:Â
LC-MS/MS
Hydrocodone
Matrix:
Human Plasma
LLOQ:
0.25
Unit:
ng/mL
Platform:Â
LC-MS/MS
Hydromorphone
Matrix:
Dog Plasma
LLOQ:
20
Unit:
pg/mL
Platform:Â
LC-MS/MS
Hydromorphone
Matrix:
Human Plasma
LLOQ:
20
Unit:
pg/mL
Platform:Â
LC-MS/MS
Hydromorphone
Matrix:
Dog Serum
LLOQ:
20
Unit:
pg/mL
Platform:Â
LC-MS/MS
Hydroxymephenytoin, (R)-4- / Hydroxymephenytoin, (S)-4-
Matrix:
Human Plasma
LLOQ:
10
Unit:
ng/mL
Platform:Â
LC-MS/MS
Hydroxymephenytoin, (R)-4- / Hydroxymephenytoin, (S)-4-
Matrix:
Human Saliva
LLOQ:
10
Unit:
ng/mL
Platform:Â
LC-MS/MS
Hydroxymephenytoin, (R)-4- / Hydroxymephenytoin, (S)-4-
Matrix:
Human Urine
LLOQ:
0.1
Unit:
mcg/mL
Platform:Â
LC-MS/MS
Hydroxymidazolam, a- / Hydoxymidazolam, 4-
Matrix:
Dog Plasma
LLOQ:
2 / 2
Unit:
ng/mL
Platform:Â
LC-MS/MS
Hydroxymidazolam, a- / Hydoxymidazolam, 4-
Matrix:
Rat Plasma
LLOQ:
2 / 2
Unit:
ng/mL
Platform:Â
LC-MS/MS
Ibuprofen
Matrix:
Human Plasma
LLOQ:
0.25
Unit:
mcg/mL
Platform:Â
LC-MS/MS
Ibuprofen
Matrix:
Human CSF
LLOQ:
0.3
Unit:
ng/mL
Platform:Â
LC-MS/MS
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ABOUT
Menu Toggle
Why KCAS?
Leadership Team
Quality Assurance
Client Testimonials
SOLUTIONS
Menu Toggle
BIOMARKERS
Menu Toggle
Exploratory
Regulated CTA (Clinical Trial Application)
Non-Reg CTA (Clinical Trial Application)
MOLECULE TYPE
Menu Toggle
Small Molecule
Large Molecule
Cell & Gene Therapy
Other (Mixed-Mode Macro-Molecules)
RESEARCH PHASE
Menu Toggle
Early Research
Discovery
Pre-Clinical
Clinical Development
Manufacturing & Commercialization
Therapeutic Area
Menu Toggle
Autoimmune and Immunological
Cancer/Oncology
Cardiovascular & Metabolic
Gastrointestinal
Neurological Disorders
Ophthalmology
Orphan/Rare Diseases
Respiratory
Renal (kidney)
Infectious Diseases & Vaccines
Platforms
Menu Toggle
ELISA
ELISpot
Flow Cytometry
Hybrid LC-MS/MS
LC-MS/MS
Ligand Binding Assays
Meso Scale Discovery (ECL)
LC-UV/Fluorescence
Luminex
Quantitative PCR (qPCR and ddPCR)
IsoPlexis
News & Events
Menu Toggle
Upcoming Events
News
Resources
Menu Toggle
Compound Classes
Posters & White Papers
Info Sheets
Contact Us
KCAS Blog
Careers
Menu Toggle
Why a Career at KCAS
Roles We Hire
Menu Toggle
Scientist Jobs
Business Jobs
New Grads
How You’ll Benefit
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