(N-Me)	methylated peptide bond
ACE	angiotensin-converting-enzyme
ACN	acetonitrile
AcOH	acetic acid
ACTH	adrenocorticotropic hormone
API	active pharmaceutical ingredient
ATP	adenosine triphosphate
Aβ	β-amyloid
C4D	capacitively coupled contactless conductivity detection
C55-P	undecaprenyl-phosphate
CCD	countercurrent distribution
CDA	calcium-dependent antibiotic
CE	capillary electrophoresis
CRF	corticotropin-releasing factor
CTAB	cetyltrimethylammonium bromide
d-2Nal	3-(2-naphthyl)-d-alanine
d-3-(3′-pyridyl)Ala	3-(3′-pyridyl)-d-alanine
d-4-chloroPhe	4-chloro-d-phenylalanine
DAAA	diamylammonium acetate
DBAA	dibutylamonium acetate
d-Cit	d-citrulline
DHAA	dihexylammonium acetate
DPAA	dipropylammonium acetate
DPC	dodecylphosphocholine
ELSD	evaporative light scattering detection
ESI-MS	electrospray ionization mass spectrometry
FA	formic acid
FDA	Food and Drug Administration
FSH	follicle-stimulating hormone
GnRH	gonadotropin releasing hormone
h(1-Bn)	1-benzyl-d-histidin
HaCaT	immortalized human keratinocytes
hCRH	human corticotropin-releasing hormone
HFBA	heptafluorobutyric acid
HILIC	hydrophilic interaction chromatography
HIP	hydrophobic ion pairing
HIPC	hydrophobic ion paired complex
HIV	human immunodeficiency virus
hR	homoarginine
Hyp	hydroxyproline
IC	ion chromatography
ITP	isotachophoresis
K(iPr)	N6-isopropyl-l-lysine
LC-MS	liquid chromatography–mass spectrometry
LH-RH	luteinizing hormone-releasing hormone
LL-37	human cathelicidin
LOD	limit of detection
MBC	minimal bactericidal concentrations
MIC	minimal inhibitory concentrations
MOG	myelin oligodendrocyte glycoprotein
Mpa	3-mercaptopropionic acid
MS/MS	tandem mass spectrometry
MSI-78	pexiganan
MT	micro titration
NaOS	1-octanesulfonate
NFPA	nonafluoropenatnoic acid
NMR	nuclear magnetic resonance
NP-HPLC	normal-phase high-performance liquid chromatography
oCRH	ovine corticotropin-releasing hormone
Oic	(3S,7S)-octahydroindole-2-carboxylic acid
PCL	polycaprolactone
pE	pyroglutamic acid
PEG	polyethylene glycol
PFPA	pentafluoropropionic acid
pS	O-phospho-l-serine
rDNA	recombinant DNA
rhIGF-1	human insulin-like growth factor-1
RP-HPLC	reversed-phase high-performance liquid chromatography
s(tBu)	O-tert-butyl-d-serine
SAX	strong anion-exchange resins
SCX	strong cation-exchange resins
SDS	sodium dodecyl sulfate
SEDDS	self-emulsifying drug delivery systems
SLN	solid lipid nanoparticles
SPPS	solid-phase peptide synthesis
TBAHS	tetrabutylammonium hydrogen sulfate
tBu	tert-butyl
TFA	trifluoroacetic acid
Thi	3-(2-thienyl)-l-alanine
Tic	1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid
UV	ultraviolet
WAX	weak anion exchange