Solid substrate comprising array of dendrons and methods for using the same

1. An array of dendrons, said array comprising a solid support having at least a first surface; and a plurality of conically shaped dendrons covalently attached to said first surface of said solid support, wherein each of said dendron is of the formula:

Z—R 1 -Q 1 -{(R 3 -Q 3 ) b -[(R 4 -Q 4 ) c -(R 5 —Y) x ] y } 3

wherein

c is 0 or 1;

x is 1 when c is 0 or when c is 1, x is 3;

y is 1 when b is 0 or when b is 1, y is 3;

Z is X-O-C(═O)—NH—, wherein X is a nucleic acid probe;

R 1 is —(CH 2 ) 3 —C(═O)—NH—;

Q 1 , Q 3 and Q 4 are C;

R 3 is —CH 2 —O—(CH 2 ) 2 —C(═O)—NH—(CH 2 ) 3 —C(═O)—NH—;

R 4 is —CH 2 —O—(CH 2 ) 2 —C(═O)—NH—;

R 5 is —CH 2 —O—(CH 2 ) 2 —;

Y is a terminal functional group moiety of the formula —COOH;

wherein a plurality of said terminal functional groups on each of said dendron are covalently attached to said first surface of said solid support, and wherein said dendrons are spaced at regular intervals between about 0.1 nm and about 100 nm, and wherein a discrimination efficiency of the probe is at least 80%.

2. The array according to claim 1 , wherein b is 0.

3. The array according to claim 1 , wherein b is 1.

4. The array according to claim 3 , wherein c is 1.

5. An array of dendrons, said array comprising a solid support having at least a first surface; and a plurality of conically shaped dendrons covalently attached to said first surface of said solid support, wherein each of said dendron is of the formula:

Z—R 1 -Q 1 -[(R 4 -Q 4 ) c -(R 5 —Y) x ] 3   I

wherein

c is 0 or 1;

x is 1 when c is 0 or when c is 1, x is 3;

Z is X-O-C(═O)—NH—, wherein X is a probe;

R 1 is —(CH 2 ) 3 —C(═O)—NH—;

Q 1 and Q 4 are C;

R 4 is —CH 2 —O—(CH 2 ) 2 —C(═O)—NH—;

R 5 is —CH 2 —O—(CH 2 ) 2 —;

Y is a terminal functional group moiety of the formula —COOH;

wherein a plurality of said terminal functional groups on each of said dendron are covalently attached to said first surface of said solid support, and wherein said dendrons are spaced at regular intervals between about 0.1 nm and about 100 nm, and wherein the discrimination efficiency of the probe is at least 80%.

6. The array according to claim 5 , wherein c is 0.

7. The array according to claim 5 , wherein c is 1.