AA	amino acid
AAZTA	6-amino-6-methylperhydro-1,4-diazepinetetraacetic acid
AHDA	amino-hexanedioic-1-acid
AHX	6-aminohexanoic acid
APCA	2-aminoethyl-piperazine-1-carboxylic acid
BBN	bombesin
BFCA	bifunctional chelating agent
hCA	human carbonic anhydrase
CBT	2-cyanobenzothiazole
CCK(R)	cholecystokinin (receptor)
c(RGDfK)	cyclo(-Arg-Gly-Asp-d-Phe-Lys)
CT	computed tomography
CuAAC	Cu(I)-catalyzed azide-alkyne cycloaddition
DATA	6-amino-1,4-diazepine-triacetate
DOTA	2,2′,2″,2‴-(1,4,7,10-tetraazacyclododecane-1,4,7,10-tetrayl)tetraacetic acid
DOTANOC	DOTA-Nal3-octreotide
DOTATATE	DOTA-Tyr3-octreotate
DOTATOC	DOTA-Tyr3-octreotide
DPA	5-(bis(pyridin-2-yl)methyl)amino)pentanoic acid
DTPA	diethylenetriamine pentaacetic acid
EDDA	ethylenediamine diacetic acid
EDTA	ethylenediamine tetraacetic acid
FAP	fibroblast activation protein
GE11	Tyr-His-Trp-Tyr-Gly-Tyr-Thr-Pro-Gln-Asn-Val-Ile
GEP NET	gastroenteropancreatic neuroendocrine tumors
GLP	glucagon-like peptide
GRPR	gastrin-releasing peptide receptor
HBED-CC	N,N′-bis-[2-hydroxy-5-(carboxyethyl)benzyl]ethylenediamine-N,N′-diacetic acid
HIF	hypoxia inducible factor
HPLC-DAD	high performance liquid chromatography-diode array detection
HYNIC	6-hydrazinopyridin-3-carboxylic acid
IDA	iminodiacetic acid
IEDDA	inverse electron-demand Diels-Alder reaction
JR11	p-Cl-Phe-cyclo(d-Cys-Aph(Hor)-d-Aph(cbm)-Lys-Thr-Cys)d-Tyr-NH2
MAG3	mercaptoacetylglycylglycylglycine
MC	melanocortin (receptor)
MG11	[3-MP0-d-Glu1,desGlu2−6]-Ala-Tyr-Gly-Trp-Met-Asp-Phe-NH2
MRI	magnetic resonance imaging
NeoBOMB1	d-Phe-Gln-Trp-Ala-Val-Gly-His-NH-CH[CH2-CH(CH3)2]2
NET	neuroendocrine tumors
NHS	N-hydroxysuccinimidyl-ester
NKR	neurokinin receptor
NODAGA	1,4,7-triazacyclononane-1-glutaric acid-4,7-diacetic acid
NODAPA	1,4,7-triazacyclononane-1,4-diacetic acid-7-p-phenylacetic acid
NODASA	1,4,7-triazacyclononane-1-succinic acid-4,7-diacetic acid
NOTA	2,2′,2″-(1,4,7-triazanonane-1,4,7-triyl)triacetic acid
NOTP	1,4,7-Triazacyclononane-1,4,7-tri(methylene phosphonic acid)
NP	nanoparticle
NSCLC	non-small cell lung cancer
NT(R)	neurotensin receptor
PA1	cyclo[HyPro-Phe-d-Trp-Lys-Tyr(Bzl)-Phe]
PAC-1	procaspase-activating compound receptor
PACAP	pituitary adenylate cyclase-activating peptide
PCTA	3,6,9,15-tetraazabicyclo[9.3.1]pentadeca-1(15),11,13-triene-3,6,9-triacetic acid
PEG	polyethylene glycol
PET	positron emission tomography
PC	prostate cancer
PSMA	prostate-specific membrane antigen
RGD	arginine-glycine-aspartic acid
RM26	1,4,7-triazacyclononane-N,N,N-triacetic acid-d-Phe-Gln-Trp-Ala-Val-Gly-His-Sta-Leu-NH2
RM2	DOTA-4-amino-1-carboxymethylpiperidine-d-Phe-Gln-Trp-Ala-Val-Gly-His-Sta-Leu-NH2
SERRS	surface-enhanced resonance Raman scattering
SPAAC	strain-promoted azide-alkyne cycloaddition
SPECT	single-photon emission computed tomography
SPPS	solid phase peptide synthesis
SST(R)	somatostatin (receptor)
TBR	tumor-to-background ratio
TETA	2,2′,2″,2‴-(1,4,8,11-tetraazacyclotetradecane-1,4,8,11-tetrayl)tetraacetic acid
THP	tris(hydroxypyridinone)
TMSAla	(l)-trimethylsilylalanine
TOC	Tyr3-octreotide
TPPTS	trisodium triphenylphosphine-3,3′,3″-trisulfonate
TRAP	1,4,7-triazacyclononane-1,4,7-tris(methylene(2-carboxyethylphosphinic acid))
UV	ultraviolet (detection)
VIP	vasoactive intestinal peptide
VPAC	receptor for vasoactive intestinal peptide
α-MSH	α-melanocyte stimulating hormone